Patent Publication Number: US-7710343-B2

Title: Compact 3-port orthogonally polarized MIMO antennas

Description:
TECHNICAL FIELD 
     The subject disclosure relates generally to multiple input multiple output (MIMO) wireless communication systems. The subject disclosure is particularly related to MIMO wireless communication systems that use polarization diversity. 
     BACKGROUND 
     Multiple-input multiple-output (MIMO) technology is a technique that exploits multiple antennas to increase channel capacity without requiring additional spectrum or transmit power. With multiple antennas at the transmitter and receiver, capacity gains can be achieved by utilizing spatial and polarization diversity. In practical applications, due to the constraint of the spacing of the antenna elements, polarization diversity is preferred since the antennas can be co-located. At least one study has concluded that, with three orthogonal components of the electric field and three of the magnetic field, it is possible to obtain 6 independent channels at a single point. However there are few published MIMO antenna designs, and even fewer exploiting tri-polarization. 
     A MIMO wireless communication system is one that includes typically a plurality of antennas at a transmitter and one or more antennas at a receiver. The antennas are employed in a multi-path rich environment such that due to the presence of various scattering objects (buildings, cars, hills, etc.) in the environment, each signal experiences multipath propagation. User data is transmitted from the transmit antennas using a space-time coding (STC) transmission method as is known in the art. The receive antennas capture the transmitted signals and a signal processing technique is then applied as is known in the art, to separate the transmitted signals and recover the user data. 
     MIMO wireless communication systems are advantageous in that they enable the capacity of the wireless link between the transmitter and receiver to be improved compared with previous systems because higher data rates can be obtained with MIMO. The multipath rich environment enables multiple orthogonal channels to be generated between the transmitter and receiver. Data for a single user can then be transmitted over the air in parallel over those channels, simultaneously and using the same bandwidth. Consequently, higher spectral efficiencies are achieved than with non-MIMO systems. 
     One problem with existing MIMO systems concerns the large size of the transmit and receive antenna arrays. Typically, MIMO transmit and receive antenna arrays have used spatially diverse antenna arrays. That is, the spacing between the individual antenna elements is arranged to be large enough such that decorrelated spatial fading is obtained. This is desired in order to reduce a need for the number of orthogonal channels from being reduced. That is, if the fading characteristics between antenna elements are similar (correlated) then the number of orthogonal channels that can be realized is reduced. For example, for rooftop installations, or antennas on towers, separations of up to 20 wavelengths can be required to achieve decorrelated fading due to the low angle spread of the multipath propagation. 
     It is desirable to both provide more axes such as exploiting tri-polarization with a three axis antenna and smaller size such as can be provided with a compact 3-port orthogonally polarized MIMO antenna. 
     SUMMARY 
     The generalized non-limiting embodiments described herein include two designs for a 3-port orthogonally polarized antenna. One generalized non-limiting embodiment includes employing a dipole antenna. Another generalized non-limiting embodiment includes employing a half slot antenna. Each of the antennas constitutes three mutually perpendicular radiating elements to achieve good isolation and low antenna signal correlation between the three ports. Experimental results show that the antennas resonate at a reasonable frequency and have a desired mutual coupling. 
     In one such exemplary non-limiting embodiment, a router can utilize one of the herein described antennas to implement MIMO type communications using three MIMO communication channels with one antenna, for example where a first MIMO communication channel can be utilized on a first axis, a second MIMO communication channel can be utilized on a second axis, and a third MIMO communication channel can be utilized on a third axis. In another embodiment, the router can utilize additional MIMO channels with two or more antennas, at least some of which can be a cross-polarized antenna or an orthogonal antenna such as a herein described antenna. In embodiments where multiple antennas (antennae) are utilized, two MIMO channels can be utilized on for each corresponding one of the antennas, although the scope of the claimed subject matter is not limited in this respect. 
     A simplified summary is provided herein to help enable a basic or general understanding of various aspects of exemplary, non-limiting embodiments that follow in the more detailed description and the accompanying drawings. This summary is not intended, however, as an extensive or exhaustive overview. The sole purpose of this summary is to present some concepts related to the various exemplary non-limiting embodiments of the innovation in a simplified form as a prelude to the more detailed description that follows. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The temporal tri-port antennas and methods therefore in accordance with the innovation are further described with reference to the accompanying drawings in which: 
         FIG. 1   a  illustrates an antenna in accordance with the innovation; 
         FIG. 1   b  illustrates an antenna in accordance with the innovation; 
         FIG. 1   c  illustrates an antenna in accordance with the innovation; 
         FIG. 2  illustrates a half-slot antenna design in accordance with the innovation; 
         FIG. 3  illustrates the measured S-parameters of the three-port tri-polarized dipole antennas of  FIGS. 1   a ,  1   b , and  1   c  in accordance with the innovation; 
         FIG. 4  illustrates the radiation patterns along the xy-plane of the three-port tri-polarized dipole antennas of  FIGS. 1   a ,  1   b , and  1   c  in accordance with the innovation; 
         FIG. 5  illustrates the measured S-parameters of the antenna of  FIG. 2  in accordance with the innovation; 
         FIG. 6  illustrates the measured radiation patterns along the xy-plane of the antenna of  FIG. 2  in accordance with the innovation; 
         FIG. 7  illustrates capacity estimates in accordance with the innovation; 
         FIG. 8  illustrates a communication environment wherein a tri-port antenna is in wireless communication with a device in accordance with the innovation; 
         FIG. 9  illustrates a communication environment wherein a tri-port antenna is in wireless communication with a device in accordance with the innovation; 
         FIG. 10  is a block diagram representing an exemplary non-limiting computing system or operating environment in which the present innovation can be implemented; and 
         FIG. 11  illustrates an overview of a network environment suitable for service by embodiments of the innovation. 
     
    
    
     DETAILED DESCRIPTION 
     Overview 
     As discussed in the background, the generalized non-limiting embodiments described herein include two designs for a 3-port orthogonally polarized antenna. One generalized non-limiting embodiment includes employing a dipole antenna. Another generalized non-limiting embodiment includes employing a half slot antenna. Each of the antennas constitutes three mutually perpendicular radiating elements to achieve good isolation and low antenna signal correlation between the three ports. In one generalized non-limiting embodiment the antennas are fabricated on FR-4 epoxy boards. FR-4 is an abbreviation for Flame Resistant 4, and is a type of material used for making a printed circuit board (PCB). Typically an FR-4 is a composite of a resin epoxy reinforced with a woven fiberglass mat. FR-4 is a material from the class of epoxy resin bonded glass fabric (ERBGF1). FR-4 meets the requirements of Underwriters Laboratories UL94-V0. The FR-4 used in PCBs is typically UV stabilized with a tetrafunctional resin system. It is typically a yellowish color. FR-4 manufactured strictly as an insulator (without copper cladding) is typically a difunctional resin system and a greenish color. 
     Experimental results show that the antennas resonate at 2.55 GHz frequency and have a mutual coupling of less than about −18 dB between elements. In addition experimental results for the diversity performance and the MIMO channel capacity are also provided for these antennas and these results show that the herein described antennas offer good diversity gain and the channel capacity can be increased by as much as three times by using these antennas over traditional antennas. 
     As shown in  FIG. 1   a , an antenna  100  includes a first board  102  such as a FR-4 board A (as illustrated in  FIG. 1   b ) and a second board  104  such as a FR-4 board B (as illustrated in  FIG. 1   c ). A port  1  ( 106 ), a port  2  ( 108 ), and a port  3  ( 110 ) are provided to communicate as described below. Antenna  100  can couple with a router  150  to provide antenna functionality to the router  150 , for example where the router is a wireless router  150 . Antenna  100  can include a first lead  152  and a second lead  154  to couple to a radio-frequency (RF) transceiver  156  and/or to a radio-frequency (RF) transceiver  158 . RF transceiver  156  and/or RF transceiver  158  can couple to a processor  160 , which in one or more embodiments can operate as a baseband processor to process baseband signals, for example. Processor  160  in one or more embodiments can operate as a broadband processor to process broadband signals. Processor  160  can couple to memory  162  that can store one or more instructions and/or programs, and/or data that can be utilized by processor  160 . Processor  160  can couple to a network interface  164  to couple router  150  to a network  166 . 
     Alternatively, router  150  wirelessly couples to network  166 . In one embodiment, network  166  can include the internet or similar type of distributed network, and/or alternatively network  166  can be any type of various network such as a local area network (LAN), wide area network (WAN), metropolitan area network (MAN), and/or the like. In one or more embodiments, network  166  can comprise at least in part a wired network, and/or at least in part a wireless network. In one or more embodiments, network  166  can comprise a cellular telephone network, and/or a public switched telephone network (PSTN), and/or a plain old telephone service (POTS). However, these are merely examples of networks, and the scope of the claimed subject matter is not limited in these respects. 
     In one or more embodiments, router  150  can be capable of utilizing antenna  100  to communicate using one or more wireless transmission standards. For example, at least one of RF transceiver  156  and/or wireless transceiver  158  and/or a third RF transceiver  159  can be part of router  150  which can be arranged to communicate using a wireless local area network transmission standard, such as in accordance with an IEEE 802.11a standard, an IEEE 802.11b standard, an IEEE 802.11g standard, and/or an IEEE 802.11n standard. In one embodiment, router  150  can transmit and/or receive signals via antenna  100  in accordance with one such standard by transmitting and/or receiving simultaneously on all of first port  106 , second axis or port  108 , and third port  110  for example to provide an omnidirectional radiation pattern, or at least a nearly omnidirectional radiation pattern for signals transmitted and/or received using such a standard. In another embodiment, router  150  can transmit and/or receive signals via antenna  100  in accordance with one such standard by transmitting and/or receiving simultaneously on all of first port  106 , second axis or port  108 , and third port  110  for example to provide an orthogonal transmission or reception. 
     In another embodiment, router  150  can transmit and/or receive signals with antenna  100  by utilizing RF transceiver  156  to communicate using a first communication standard, for example IEEE Standard 802.11a, to transmit and/or receive along first axis  106 , and can transmit and/or receive signals with antenna  100  by utilizing RF transceiver  156  to communicate using a second communication standard, for example IEEE Standard 802.11g, where such communication using two standards can occur simultaneously. For example where router  150  can communicate with a first remote device using IEEE Standard 802.11a and can communicate with a second remote device using IEEE Standard 802.11g, although the scope of the claimed subject matter is not limited in this respect. Additionally, this can be extended to all three ports  106 ,  108 , and  110  simultaneously. 
     It should be noted that certain generalized non-limiting exemplary embodiments can be used in a variety of applications. Although the claimed subject matter is not limited in this respect, the circuits disclosed herein can be used in many apparatuses such as in the transmitters and/or receivers of a radio system. Radio systems intended to be included within the scope of the claimed subject matter can include, by way of example, but not by way of limitation, wireless personal area networks (WPAN) such as a network in compliance with the WiMedia Alliance, a wireless local area networks (WLAN) devices and/or wireless wide area network (WWAN) devices including wireless network interface devices and/or network interface cards (NICs), base stations, access points (APs), gateways, bridges, hubs, cellular radiotelephone communication systems, satellite communication systems, two-way radio communication systems, one-way pagers, two-way pagers, personal communication systems (PCS), personal computers (PCs), personal digital assistants (PDAs), and/or the like, although the scope of the claimed subject matter is not limited in this respect. 
     Types of wireless communication systems intended to be within the scope of the claimed subject matter can include, although are not limited to, Wireless Local Area Network (WLAN), Wireless Wide Area Network (WWAN), Code Division Multiple Access (CDMA) cellular radiotelephone communication systems, Global System for Mobile Communications (GSM) cellular radiotelephone systems, North American Digital Cellular (NADC) cellular radiotelephone systems, Time Division Multiple Access (TDMA) systems, Extended-TDMA (E-TDMA) cellular radiotelephone systems, third generation (3G) systems like Wideband CDMA (WCDMA), CDMA-2000, and/or the like, although the scope of the claimed subject matter is not limited in this respect. 
     In one or more embodiments, the router  150  can operate using multiple-input, multiple output (MIMO) type communication. In one particular embodiment, the router  150  can operate in accordance with an IEEE 802.11n standard. In a MIMO type embodiment, the router  150  can utilize one of antenna  100  for MIMO type and/or smart antenna type communication, for example where RF transceiver  156  and RF transceiver  158  are arranged to operate in a MIMO type mode. In one particular embodiment, router  150  can be a MIMO Wireless Router, although the scope of the claimed subject matter is not limited in this respect. 
     In one such exemplary generalized non-limiting embodiment, router  150  can utilize one of antenna  100  to implement MIMO type communications using three MIMO communication channels with antenna  100 , for example where a first MIMO communication channel can be utilized on first axis  106 , a second MIMO communication channel can be utilized on second axis  108 , and a third MIMO communication channel can be utilized on third axis  108 . In another embodiment, router  150  can utilize additional MIMO channels with two or more antennas, at least some of which can be a cross-polarized antenna or an orthogonal antenna such as antenna  100 . 
     In embodiments where multiple antennas such as antenna  100  are utilized, two MIMO channels can be utilized on for each corresponding one of antenna  100 , although the scope of the claimed subject matter is not limited in this respect. In an alternative embodiment, router  150  can implement a spatial division multiple access (SDMA) system, smart antenna system, and/or a multiple input, multiple output (MIMO) system, although the scope of the claimed subject matter is not limited in this respect. Router  150  can couple with network  166  so that a remote device can communicate with network  166 , including devices coupled to network  166 , by communicating with the router  150  via a wireless communication link and antenna  100 . Network  166  can include a public network such as a telephone network and/or the internet, and/or alternatively network  112  can include a private network such as an intranet, and/or a combination of a public and/or a private network, although the scope of the claimed subject matter is not limited in this respect. 
     Processor  160  can operate to provide baseband and/or media access control (MAC) processing functions. Processor  160  can comprise a single processor, and/or alternatively can comprise a baseband processor and/or an applications processor, although the scope of the claimed subject matter is not limited in this respect. Processor  160  can couple to memory  162  which can comprise volatile memory such as DRAM, non-volatile memory such as flash memory, and/or alternatively can include other types of storage such as a hard disk drive, although the scope of the claimed subject matter is not limited in this respect. Some portion or all of memory  162  can be included on the same integrated circuit as processor  160 , and/or alternatively some portion and/or all of memory  162  can be disposed on an integrated circuit and/or other medium, for example a hard disk drive, that is external to the integrated circuit of processor  160 , although the scope of the claimed subject matter is not limited in this respect. 
     Communication between the router  150  to a remote device can be implemented via a wireless personal area networks (WPAN) such as in compliance with the WiMedia Alliance, a wireless local area network (WLAN), for example a network compliant with a an Institute of Electrical and Electronics Engineers (IEEE) standard such as IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.16, HiperLAN-II, HiperMAN, Ultra-Wideband (UWB), and so on, although the scope of the claimed subject matter is not limited in this respect. In another embodiment, communication between router  150  and a remote device can be at least partially implemented via a cellular communication network compliant with a Third Generation Partnership Project (3GPP or 3G) standard, a Wideband CDMA (WCDMA) standard, and/or other types of cellular networks, although the scope of the claimed subject matter is not limited in this respect. 
       FIG. 1   b  and  FIG. 1   c  illustrate the antenna  100  with the first board  102  separated from the second board  104 . The tri-polarized dipole antenna is constructed by integrating three dipole antennas which are fabricated on two 51 mm×51 mm×1.6 mm FR-4 epoxy boards (dielectric constant of approximately ∈ r =4.5), as shown in  FIGS. 1   a ,  1   b , and  1   c . In one exemplary generalized non-limiting embodiment, lengths  138  and  140  are both 51 mm. However, in other exemplary generalized non-limiting embodiments, the lengths  138  and  140  are less than 51 mm. A coplanar waveguide-to-coplanar strip (CPW-to-CPS) transition  120  is designed to act as an unbalance-to-balance transformer (balun) from the Sub Miniature version A (SMA) connector  111  to the arms of the dipole. In one exemplary generalized non-limiting embodiment the lengths of the dipole arm  107  and the transition  109  are approximately one quarter of the length of the guided wavelength that is 20.5 mm long at 128 and 3 mm wide. 
     Note that the different guided wavelengths  122  and  124  are in one exemplary embodiment 21.5 mm for port  1 , while the length  136  of the guided wavelength for port  3  is 23.1 mm. Of course, one of skill in the art should realize that these lengths can be adjusted. The overall length of the dipole is 0.37λ in one exemplary generalized non-limiting embodiment. The CPW-to-CPS transition  120  is chosen to act as a balun because of its uniplanar structure. It is also bent by 90 degrees at the CPS side such that the three dipoles can be integrated together orthogonally to form a tri-polarized antenna as illustrated in  FIG. 1   a . It is worth mentioning that the bend is chamfered to avoid high current density concentrating at the bending discontinuity  121 . The chamfer can be from 35 degrees to 70 degrees, but in one exemplary generalized non-limiting embodiments the chamfer is about 45 degrees. 
     To achieve the same resonance frequency at 2.5 GHz for the three dipoles, the lengths of dipole  2  and dipole  3  are tuned to 21.5 mm and 23.1 mm respectively in one exemplary generalized non-limiting embodiment. It should be noted that dipole  3  is offset from the intersecting point of dipole  1  and dipole  2  so that a slot can be cut at  134  for assembling antenna  100  as shown in  FIG. 1   a . Slot  134  is 3.2 mm wide in one exemplary generalized non-limiting embodiment. In other exemplary generalized non-limiting embodiments, slot  134  can be between 2 mm and 4.4 mm. Alternatively, in still other exemplary generalized non-limiting embodiments, slot  134  can be between 1.3 mm and 5.1 mm. In addition, to obtain better mutual coupling among the elements, dipole  3  is made to be the mirror image of dipole  1  and dipole  2  such that the dipoles  1 ,  2 , and  3  are orthogonal. 
       FIG. 2  illustrates a half-slot antenna design with an (a) side illustrating a single board  200  and a (b) side illustrating an antenna  202  formed by three boards  200 . Antenna  202  is also fabricated on a FR-4 epoxy board with overall size of about 22 mm×27 mm×about 1.6 mm in one exemplary generalized non-limiting embodiment. The length of a slot  204  is 0.148λ which is equal to 18.5 mm in one exemplary generalized non-limiting embodiment. The half-slot antenna  202  is evolved from a standard slot antenna with half-wavelength resonant length. For a standard slot antenna, its midpoint is always open after a quarter-wavelength from the feed side, no matter if the other half of the slot is present or not. Therefore a half-slot antenna can still resonate at the same frequency as a normal slot antenna, but with its length reduced by half. A tri-polarized antenna can then be formed by integrating three of these half-slot antennas orthogonally, as illustrated in part b of  FIG. 2 . It should be pointed out that the metal on one side of the slot is scratched out (removed) (see e.g.,  FIG. 2  part (a) and  FIG. 5 ) before assembling, otherwise, the half-slot antennas would not have a sharp resonance and the mutual coupling among each other is high. Although herein dimensions are provided, there is inherent leeway in the dimensions and therefore as used herein “about” means within 20% plus or minus, “in close tolerance to” means within 10% plus or minus, and “in tight tolerance to” means within 5% plus or minus, and for every numerical limitation or description disclosed herein these variances may be applied unless otherwise explicitly noted. 
     As shown in  FIG. 2 , the antenna  200  includes a port  1 , a port  2  and a port  3  that are provided to communicate as described below. Antenna  200  includes a coaxial feed point in which a coaxial or other type of cable can be attached in order to transmit or receive from or to a communication framework  210 . For example, antenna  200  can couple with a LAN or WAN along with a plurality of remote computers  216  having associated memory storage  218 . The exemplary environment  210  for implementing various aspects of the innovation includes a computer-processing unit  240 , a system memory  242 , and a system bus  244 . The system bus  244  couples system components including, but not limited to, the system memory  242  to the processing unit  240 . The processing unit  240  can be any of various commercially available processors. Dual microprocessors and other multi processor architectures can also be employed as the processing unit  240 . 
     The system bus  244  can be any of several types of bus structure that can further interconnect to a memory bus (with or without a memory controller), a peripheral bus, and a local bus using any of a variety of commercially available bus architectures. The system memory  242  includes read-only memory (ROM) and random access memory (RAM). A basic input/output system (BIOS) is stored in a generalized non-volatile memory such as ROM, EPROM, EEPROM, which BIOS contains the basic routines that help to transfer information between elements within the computer  240 , such as during start-up. The RAM can also include a high-speed RAM such as static RAM for caching data. 
     The computer processor  240  further includes an internal hard disk drive (HDD) (e.g., EIDE, SATA), which internal hard disk drive can also be configured for external use in a suitable chassis (not shown), a magnetic floppy disk drive (FDD), (e.g., to read from or write to a removable diskette) and an optical disk drive, (e.g., reading a CD-ROM disk or, to read from or write to other high capacity optical media such as the DVD). The hard disk drive, magnetic disk drive, and optical disk drive can be connected to the system bus by a hard disk drive interface, a magnetic disk drive interface, and an optical drive interface, respectively. The interface for external drive implementations includes at least one or both of Universal Serial Bus (USB) and IEEE 1394 interface technologies. Other external drive connection technologies are within contemplation of the subject innovation. 
     The drives and their associated computer-readable media provide non-volatile storage of data, data structures, computer-executable instructions, and so forth. For the computer  240 , the drives and media accommodate the storage of any data in a suitable digital format. Although the description of computer-readable media above refers to a HDD, a removable magnetic diskette, and a removable optical media such as a CD or DVD, it should be appreciated by those skilled in the art that other types of media which are readable by a computer, such as zip drives, magnetic cassettes, flash memory cards, cartridges, and the like, can also be used in the exemplary operating environment, and further, that any such media can contain computer-executable instructions for performing the methods of the innovation. 
     A number of program modules can be stored in the drives and RAM, including an operating system, one or more application programs, other program modules, and program data. All or portions of the operating system, applications, modules, and/or data can also be cached in the RAM. It is appreciated that the innovation can be implemented with various commercially available operating systems or combinations of operating systems. 
     A user can enter commands and information into the computer  240  through one or more wired/wireless input devices, e.g., a keyboard  260  and a pointing device, such as a mouse  262 . Other input devices (not shown) can include a microphone, an IR remote control, a joystick, a game pad, a stylus pen, touch screen, or the like. These and other input devices are often connected to the processing unit  240  through an input device interface  264  that is coupled to the system bus  244 , but can be connected by other interfaces, such as a parallel port, an IEEE 1394 serial port, a game port, a USB port, an IR interface, etc. 
     A monitor  250  or other type of display device is also connected to the system bus  244  via an interface, such as a video adapter  252 . In addition to the monitor  250 , a computer typically includes other peripheral output devices (not shown), such as speakers, printers, etc. 
     The computer  240  can operate in a networked environment using logical connections via wired and/or wireless communications to one or more remote computers, such as the remote computer(s)  216 . The remote computer(s)  216  can be a workstation, a server computer, a router, a personal computer, portable computer, microprocessor-based entertainment appliance, a peer device or other common network node, and typically includes many or all of the elements described relative to the computer  216 , although, for purposes of brevity, only a memory/storage device  218  is illustrated. The logical connections depicted include wired/wireless connectivity to the local area network (LAN)  212  and/or larger networks, e.g., a wide area network (WAN)  214 . Such LAN and WAN networking environments are commonplace in offices and companies, and facilitate enterprise-wide computer networks, such as intranets, all of which can connect to a global communications network, e.g., the Internet. 
     When used in a LAN networking environment, the computer  240  is connected to the local network  212  through a wired and/or wireless communication network interface or adapter  266 . The adapter  266  can facilitate wired or wireless communication to the LAN  212 , which can also include a wireless access point disposed thereon for communicating with the orthogonal antenna  202 . 
     When used in a WAN networking environment, the computer  240  can include a modem  268 , or is connected to a communications server on the WAN  214 , or has other means for establishing communications over the WAN  214 , such as by way of the Internet. The modem  268 , which can be internal or external and a wired or wireless device, is connected to the system bus  244  via the serial port interface  264 . In a networked environment, program modules depicted relative to the computer  240 , or portions thereof, can be stored in the remote memory/storage device  218 . It will be appreciated that the network connections shown are exemplary and other means of establishing a communications link between the computers can be used. 
     The computer  240  is operable to communicate with any wireless devices or entities operatively disposed in wireless communication, e.g., a printer, scanner, desktop and/or portable computer, portable data assistant, communications satellite, any piece of equipment or location associated with a wirelessly detectable tag (e.g., a kiosk, news stand, restroom), and telephone. This includes at least Wi-Fi and Bluetooth™ wireless technologies. Thus, the communication can be a predefined structure as with a conventional network or simply an ad hoc communication between at least two devices. 
     Wi-Fi, or Wireless Fidelity, allows connection to the Internet from a couch at home, a bed in a hotel room, or a conference room at work, without wires. Wi-Fi is a wireless technology similar to that used in a cell phone that enables such devices, e.g., computers, to send and receive data indoors and out; anywhere within the range of a base station. Wi-Fi networks use radio technologies called IEEE 802.11 (a, b, g, etc.) to provide secure, reliable, fast wireless connectivity. A Wi-Fi network can be used to connect computers to each other, to the Internet, and to wired networks (which use IEEE 802.3 or Ethernet). Wi-Fi networks operate in the unlicensed 2.4 and 5 GHz radio bands, at an 11 Mbps (802.11a) or 54 Mbps (802.11b) data rate, for example, or with products that contain both bands (dual band), so the networks can provide real-world performance similar to the basic 10BaseT wired Ethernet networks used in many offices. 
     In one or more embodiments, communication framework  210  can operate using multiple-input, multiple output (MIMO) type communication. In one particular embodiment, communication framework  210  can operate in accordance with an IEEE 802.11n standard. In a MIMO type embodiment, communication framework  210  can utilize one of antenna  202  for MIMO type and/or smart antenna type communication, for example where several RF transceivers are arranged to operate in a MIMO type mode. In one particular embodiment, communication framework  210  can utilize one of antenna  202  to implement MIMO type communications using three MIMO communication channels with antenna  202 , for example where a first MIMO communication channel can be utilized on port  1 , a second MIMO communication channel can be utilized on port  2 , and a third MIMO communication channel can be utilized on a port  3 . 
     In another embodiment, communication framework  210  can utilize additional MIMO channels with two or more antennas, at least some of which can be a cross-polarized antenna or an orthogonal antenna such as antenna  202 . In embodiments where multiple antennas such as antenna  202  are utilized, two MIMO channels can be utilized on for each corresponding one of antenna  202 , although the scope of the claimed subject matter is not limited in this respect. In an alternative embodiment, communication framework  210  can implement a spatial division multiple access (SDMA) system, smart antenna system, and/or a multiple input, multiple output (MIMO) system, although the scope of the claimed subject matter is not limited in this respect. 
     Processor  240  can operate to provide baseband and/or media access control (MAC) processing functions. Processor  240  can comprise a single processor, and/or alternatively can comprise a baseband processor and/or an applications processor, although the scope of the claimed subject matter is not limited in this respect. Processor  240  can couple to memory  242  which can comprise volatile memory such as DRAM, non-volatile memory such as flash memory, and/or alternatively can include other types of storage such as a hard disk drive, although the scope of the claimed subject matter is not limited in this respect. Some portion or all of memory  242  can be included on the same integrated circuit as processor  260 , and/or alternatively some portion and/or all of memory  242  can be disposed on an integrated circuit and/or other medium, for example a hard disk drive, that is external to the integrated circuit of processor  260 , or the computer  260  although the scope of the claimed subject matter is not limited in this respect. An optical disk drive  270  in communication to the bus  244  via an interface  272  is provided in one embodiment to provide additional storage over other storage already provided. 
       FIG. 3  illustrates a graph  300  of the measured S-parameters of the three-port tri-polarized dipole antennas of  FIGS. 1   a ,  1   b , and  1   c . Scattering Parameters, or s-parameters, are the reflection and transmission coefficients between the incident and reflection waves. They describe completely the behavior of a device under linear conditions at microwave frequency range. Each parameter is typically characterized by magnitude, decibel, and phase. The expression in decibel is 20 log(S ij ) because s-parameters are voltage ratios of the waves. For port  1  a 1  is the input and b 1  is the out put, for port  2  a 2  is the input and b 2  is the output, and for port  3  a 3  is the input and b 3  is the out put. Then for S ij =b i /a j . Said differently S 11  is the input reflection coefficient of 50Ω terminated output. S 21  is the forward transmission coefficient of 50Ω terminated output. S 12  is the reverse transmission coefficient of 50Ω terminated input. S 22  is the output reflection coefficient of 50Ω terminated input. The measurement result shows that all of the three antennas resonate at approximately 2.55 GHz at  302 . It can be observed that the worst-case mutual coupling is between port  2  and port  3 , (S 32 ) which is −18 dB at  304 . This mutual coupling effect is expected because dipole  2  and dipole  3  are fabricated on the same FR-4 board on the opposite side and there is a small overlapping between the dipole arm of dipole  2  and the balun of dipole  3 . 
       FIG. 4  is a graph  400  that illustrates that the radiation patterns along the xy-plane measured at 2.58 GHz of the three-port tri-polarized dipole antennas of  FIGS. 1   a ,  1   b , and  1   c . The far-field of each port is measured with the other two ports loaded with 50Ω. Since in many practical applications, one is only interested in effects where the distance from the antenna to the observer is very much greater than the largest dimension of the transmitting antenna, the equations describing the fields created about the antenna can be simplified by assuming a large separation and dropping all terms which provide only minor contributions to the final field. These simplified distributions have been termed the far field and usually have the property that the angular distribution of energy does not change with distance, however the energy levels still vary with distance and time. Such an angular energy distribution is usually termed an antenna pattern. From the figure, it can be seen that the field radiated by port  2  at  402  is orthogonal to that field radiated by port  3  at  404 . Hence, dual polarization can be obtained on the xy-plane. Since three dipoles are located along the x, y, and z axes respectively the herein described antennas are therefore capable of achieving tri-polarization. The gain and efficiency of the port  1  are measured and are found to be 3.2 dB and 74% respectively. 
     The measured S-parameters of the antenna of  FIG. 2  are shown in  FIG. 5  in a graph  500  where in S ij  are as defined above with reference to  FIG. 3 . As seen from the figure, the worst-case mutual coupling at 2.58 GHz is −21 dB at  502 . It can be observed that the return losses (S 21 , S 31 , and S 32 ) of the three half-slots are similar to each other, since the antennas are symmetric about the center point.  FIG. 5  illustrates the difference between no scratching off of the material and the scratching off of material on the S-parameters. 
     The measured radiation patterns along the xy-plane of the antenna of  FIG. 2  are shown in  FIG. 6  on graph  600 . It is observed that the far-field patterns are irregular at irregular areas  602  and do not resemble that of a full-slot antenna. This is because there is a sharp discontinuity for the current path at the end of the half-slot. However, as the half-slot antenna has linearly polarized fields and three half-slot antennas are located along the x, y and z axes respectively, the antenna of  FIG. 2  can therefore radiate and receive signals along three orthogonal planes. The gain and efficiency of the port  1  are measured and are found to be 4.8 dB and 80% respectively. 
     Diversity Performance 
     A system would have an ideal diversity performance if the signal correlation coefficients are zero and the mean received signal-to-noise ratios are equal. In case of practical system using maximum ratio combining at the receiver, a condition for good diversity action is ρ&lt;0.8, where ρ is the signal correlation coefficient. For practical antennas with non-ideal radiation efficiency, the upper bound of the signal correlation coefficient can be obtained the equation, 
     
       
         
           
             
               
                  
                 
                   ρ 
                   ij 
                 
                  
               
               max 
             
             = 
             
               
                  
                 
                   
                     
                       
                         - 
                         
                           S 
                           ii 
                           * 
                         
                       
                       ⁢ 
                       
                         S 
                         ij 
                       
                     
                     - 
                     
                       
                         S 
                         ji 
                         * 
                       
                       ⁢ 
                       
                         S 
                         jj 
                       
                     
                   
                   
                     
                       
                         ( 
                         
                           1 
                           - 
                           
                             
                                
                               
                                 S 
                                 ii 
                               
                                
                             
                             2 
                           
                           - 
                           
                             
                                
                               
                                 S 
                                 ji 
                               
                                
                             
                             2 
                           
                         
                         ) 
                       
                       ⁢ 
                       
                         ( 
                         
                           1 
                           - 
                           
                             
                                
                               
                                 S 
                                 jj 
                               
                                
                             
                             2 
                           
                           - 
                           
                             
                                
                               
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                                 ij 
                               
                                
                             
                             2 
                           
                         
                         ) 
                       
                       ⁢ 
                       
                         η 
                         i 
                       
                       ⁢ 
                       
                         η 
                         j 
                       
                     
                   
                 
                  
               
               + 
               
                 
                   
                     ( 
                     
                       
                         1 
                         
                           η 
                           i 
                         
                       
                       - 
                       1 
                     
                     ) 
                   
                   ⁢ 
                   
                     ( 
                     
                       
                         1 
                         
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     where |ρ ij | max  is the upper bound of the signal correlation coefficient between antenna i and antenna j; η i  and η j  are the radiation efficiencies of antenna i and antenna j respectively. From the above expression, the maximum values of the signal correlation coefficients of the proposed antennas are computed using the measured data and the results are summarized in Table I below. As seen from the table, the upper bounds of the correlation coefficients of the proposed antennas do not exceed the criteria given. Hence, it can be concluded that both of the herein described antennas have excellent diversity performance. 
     
       
         
           
               
             
               
                 TABLE I 
               
             
            
               
                   
               
               
                 Computed signal correlation coefficients of the 
               
               
                 herein described antennas. 
               
            
           
           
               
               
               
               
               
            
               
                   
                 Antenna 
                   
                 Dipole 
                 Half-slot 
               
            
           
           
               
               
               
               
               
            
               
                   
                 i 
                 j 
                 |ρ ij | max   
                 |ρ ij | max   
               
               
                   
                   
               
               
                   
                 1 
                 2 
                 0.48 
                 0.36 
               
               
                   
                 1 
                 3 
                 0.41 
                 0.38 
               
               
                   
                 2 
                 3 
                 0.56 
                 0.46 
               
               
                   
                   
               
            
           
         
       
     
     To determine the capacity gain of the herein described exemplary non-limiting tri-port antennas, an experimental measurement was performed of the MIMO channel capacity using a 4×4 MIMO antenna test bed. The test bed provides one with frequency flat MIMO channel estimates with an accuracy of approximately ±2% at 2.55 GHz. The flat fading MIMO capacity can then be determined from these estimates. 
     In the measurement setup, a linear arrangement of four dipoles with element separation of half-wavelength is placed at the transmitter side, while the Antenna-Under-Test (AUT) is placed at the receiver and the 3×3 MIMO channel estimates are extracted. The measurements were performed in a laboratory which resembles a rich scattering environment (the channel statistics are approximately Rayleigh distributed) with no line of sight transmission path.  FIG. 7  is a graph of the capacity estimates. From the results, it can be observed that the herein described exemplary generalized non-limiting tri-port antennas provide channel capacities close to the theoretical 3×3 MIMO capacity as the three plots are all clustered together generally at  702 . This demonstrates that that the herein described exemplary generalized non-limiting tri-port antennas can be used in a MIMO wireless communication system. One reason for the capacity loss is due to the mutual coupling between elements. 
     Herein described are designs for three-port antennas including three mutually perpendicular radiating elements using dipole and half-slot antennas. Because of the perpendicular configuration, the mutual coupling between the antenna elements in the herein described antennas is less than −18 dB. By exploiting polarization diversity, the herein described antennas can transmit information through three independent channels. Measurement results demonstrate that the herein described antennas possess good diversity gain and the MIMO channel capacity is close to that as predicted by theory. 
       FIG. 8  illustrates a communication environment  800  wherein a tri-port antenna  802  is in wireless communication with a device  804 . Device  804  can be a wireless device and antenna  802  can be in direct communication with the device  804 , or the device  804  can be a wired device and the antenna  802  is in communication with the device  804  through a intermediately device (not shown), however some of the communication path involves wireless communication. The device can be any device already described herein or it can be a device not already herein described such as a user wearable device such as a wearable personal computers (or “wearables”). Wearables are devices that commonly serve as electronic companions and intelligent assistants to their users, and are typically strapped to their users&#39; bodies or carried by their user in a holster. Like other computers, wearables can have access to a wide variety of input devices. Moreover, in addition to more conventional input devices, a wearable can have a variety of other input devices such as chording keyboards or a digitizer tablet. Similarly, a wearable computer can have access to a wide variety of sensors, such as barometric pressure sensors, global positioning system devices, or a heart rate monitor for determining the heart rate of its user. Wearables also can have access to a wide variety of generalized non-conventional output devices. 
     Device  804  can be virtually any electronic device where data can be stored. Examples of such electronic devices can include a computer, a cellular phone, a digital phone, a video device (e.g., video playing and/or recording device), a smart card, a personal digital assistant (PDA), a television, an electronic game (e.g., video game), a digital camera (stand alone or integrated with a cellular phone), an electronic organizer, an audio player and/or recorder, an electronic device associated with digital rights management, Personal Computer Memory Card International Association (PCMCIA) cards, trusted platform modules (TPMs), Hardware Security Modules (HSMs), set-top boxes, secure portable tokens, Universal Serial Bus (USB) tokens, key tokens, secure memory devices with computational capabilities, devices with tamper-resistant chips, and the like. 
     Because at least a portion of the communication between the device  804  and the tri-port antenna is wireless, a security layer  806  is provided in one exemplary generalized non-limiting embodiment. The security layer  806  can be used to cryptographically protect (e.g., encrypt) data as well as to digitally sign data, to enhance security and unwanted, unintentional, or malicious disclosure. In operation, the security component or layer  802  can communicate data to/from both the antenna  802  and the retrieval component device  804 . 
     An encryption component can be used to cryptographically protect data during transmission as well as while stored. The encryption component employs an encryption algorithm to encode data for security purposes. The algorithm is essentially a formula that is used to turn data into a secret code. Each algorithm uses a string of bits known as a ‘key’ to perform the calculations. The larger the key (e.g., the more bits in the key), the greater the number of potential patterns can be created, thus making it harder to break the code and descramble the contents of the data. 
     Most encryption algorithms use the block cipher method, which code fixed blocks of input that are typically from 64 to 128 bits in length. A decryption component can be used to convert encrypted data back to its original form. In one aspect, a public key can be used to encrypt data upon transmission to a storage device. Upon retrieval, the data can be decrypted using a private key that corresponds to the public key used to encrypt. 
     A signature component can be used to digitally sign data and documents when transmitting and/or retrieving from the device  804 . It is to be understood that a digital signature or certificate guarantees that a file has not been altered, similar to if it were carried in an electronically sealed envelope. The ‘signature’ is an encrypted digest (e.g., one-way hash function) used to confirm authenticity of data. Upon accessing the data, the recipient can decrypt the digest and also re-compute the digest from the received file or data. If the digests match, the file is proven to be intact and tamper free. In operation, digital certificates issued by a certification authority are most often used to ensure authenticity of a digital signature. 
     Still further, the security layer  806  can employ contextual awareness (e.g., context awareness component) to enhance security. For example, the contextual awareness component can be employed to monitor and detect criteria associated with data transmitted to and requested from the device  804 . In operation, these contextual factors can be used to filter spam, control retrieval (e.g., access to highly sensitive data from a public network), or the like. It will be understood that, in aspects, the contextual awareness component can employ logic that regulates transmission and/or retrieval of data in accordance with external criteria and factors. The contextual awareness employment can be used in connection with an artificial intelligence (AI) layer  808 . 
     The AI layer or component can be employed to facilitate inferring and/or determining when, where, how to dynamically vary the level of security. Such inference results in the construction of new events or actions from a set of observed events and/or stored event data, whether or not the events are correlated in close temporal proximity, and whether the events and data come from one or several event(s) and data source(s). 
     The AI component can also employ any of a variety of suitable AI-based schemes in connection with facilitating various aspects of the herein described innovation. Classification can employ a probabilistic and/or statistical-based analysis (e.g., factoring into the analysis utilities and costs) to prognose or infer an action that a user desires to be automatically performed. The AI layer can be used in conjunction with the security layer to infer changes in the data being transferred and make recommendations to the security layer as to what level of security to apply. 
     For example, a support vector machine (SVM) classifier can be employed. Other classification approaches include Bayesian networks, decision trees, and probabilistic classification models providing different patterns of independence can be employed. Classification as used herein also is inclusive of statistical regression that is utilized to develop models of priority. 
     Additionally a sensor  810  can be employed in conjunction with the security layer  806 . Still further, human authentication factors can be used to enhance security employing sensor  810 . For instance, biometrics (e.g., fingerprints, retinal patterns, facial recognition, DNA sequences, handwriting analysis, voice recognition) can be employed to enhance authentication to control access of the storage vault. It will be understood that embodiments can employ multiple factor tests in authenticating identity of a user. 
     The sensor  810  can also be used to provide the security layer  806  with generalized non-human metric data, such as electromagnetic field condition data or predicted weather data etc. For example, any conceivable condition can be sensed for and security levels can be adjusted or determined in response to the sensed condition. 
     One of ordinary skill in the art can appreciate that the innovation can be implemented in connection with any computer or other client or server device, which can be deployed as part of a computer network, or in a distributed computing environment, connected to any kind of data store. In this regard, the present innovation pertains to any computer system or environment having any number of memory or storage units, and any number of applications and processes occurring across any number of storage units or volumes, which can be used in connection with optimization algorithms and processes performed in accordance with the present innovation. The present innovation can apply to an environment with server computers and client computers deployed in a network environment or a distributed computing environment, having remote or local storage. The present innovation can also be applied to standalone computing devices, having programming language functionality, interpretation and execution capabilities for generating, receiving and transmitting information in connection with remote or local services and processes. 
     Distributed computing provides sharing of computer resources and services by exchange between computing devices and systems. These resources and services include the exchange of information, cache storage and disk storage for objects, such as files. Distributed computing takes advantage of network connectivity, allowing clients to leverage their collective power to benefit the entire enterprise. In this regard, a variety of devices can have applications, objects or resources that can implicate the optimization algorithms and processes of at least one generalized non-limiting embodiment. 
       FIG. 9  illustrates a communication environment  900  wherein a tri-port antenna  902  is in wireless communication with a device  904 . Device  904  can be a wireless device and antenna  902  can be in direct communication with the device  904 , or the device  904  can be a wired device and the antenna  902  is in communication with the device  904  through a intermediately device (not shown), however some of the communication path involves wireless communication. An optimizer  906  is provided to optimize communication between  902  and device  904 . Optimizer  906  optimizes or increases communication between  902  and device  904  by receiving security information from security layer  908 . For example, when security layer  908  informs optimizer  906  that they are both in a secured environment, the optimizer  906  balances this information with other information and may instruct the security layer  908  to make all transmissions security free to achieve top speed. Additionally, a feedback layer or component  910  can provide feedback as to missed data packets or other information to provide feedback to the optimizer  906 . This feedback of missed packets can be balanced against desired security level to enable less secure but higher throughput data transfer if desired. 
       FIG. 10  provides a schematic diagram of an exemplary networked or distributed computing environment. The distributed computing environment comprises computing objects  1010   a ,  1010   b , etc. and computing objects or devices  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. These objects can comprise programs, methods, data stores, programmable logic, etc. The objects can comprise portions of the same or different devices such as PDAs, audio/video devices, MP3 players, personal computers, etc. Each object can communicate with another object by way of the communications network  1040 . This network can itself comprise other computing objects and computing devices that provide services to the system of  FIG. 10 , and can itself represent multiple interconnected networks. In accordance with an aspect of at least one generalized non-limiting embodiment, each object  1010   a ,  1010   b , etc. or  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. can contain an application that might make use of an application programming interface (API), or other object, software, firmware and/or hardware, suitable for use with the design framework in accordance with at least one generalized non-limiting embodiment. 
     It can also be appreciated that an object, such as  1020   c , can be hosted on another computing device  1010   a ,  1010   b , etc. or  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. Thus, although the physical environment depicted can show the connected devices as computers, such illustration is merely exemplary and the physical environment can alternatively be depicted or described comprising various digital devices such as PDAs, televisions, MP3 players, etc., any of which can employ a variety of wired and wireless services, software objects such as interfaces, COM objects, and the like. 
     There are a variety of systems, components, and network configurations that support distributed computing environments. For example, computing systems can be connected together by wired or wireless systems, by local networks or widely distributed networks. Currently, many of the networks are coupled to the Internet, which provides an infrastructure for widely distributed computing and encompasses many different networks. Any of the infrastructures can be used for exemplary communications made incident to optimization algorithms and processes according to the present innovation. 
     In home networking environments, there are at least four disparate network transport media that can each support a unique protocol, such as Power line, data (both wireless and wired), voice (e.g., telephone) and entertainment media. Most home control devices such as light switches and appliances can use power lines for connectivity. Data Services can enter the home as broadband (e.g., either DSL or Cable modem) and are accessible within the home using either wireless (e.g., HomeRF or 802.11A/B/G) or wired (e.g., Home PNA, Cat 5, Ethernet, even power line) connectivity. Voice traffic can enter the home either as wired (e.g., Cat 3) or wireless (e.g., cell phones) and can be distributed within the home using Cat 3 wiring. Entertainment media, or other graphical data, can enter the home either through satellite or cable and is typically distributed in the home using coaxial cable. IEEE 1394 and DVI are also digital interconnects for clusters of media devices. All of these network environments and others that can emerge, or already have emerged, as protocol standards can be interconnected to form a network, such as an intranet, that can be connected to the outside world by way of a wide area network, such as the Internet. In short, a variety of disparate sources exist for the storage and transmission of data, and consequently, any of the computing devices of the present innovation can share and communicate data in any existing manner, and no one way described in the embodiments herein is intended to be limiting. 
     The Internet commonly refers to the collection of networks and gateways that utilize the Transmission Control Protocol/Internet Protocol (TCP/IP) suite of protocols, which are well-known in the art of computer networking. The Internet can be described as a system of geographically distributed remote computer networks interconnected by computers executing networking protocols that allow users to interact and share information over network(s). Because of such wide-spread information sharing, remote networks such as the Internet have thus far generally evolved into an open system with which developers can design software applications for performing specialized operations or services, essentially without restriction. 
     Thus, the network infrastructure enables a host of network topologies such as client/server, peer-to-peer, or hybrid architectures. The “client” is a member of a class or group that uses the services of another class or group to which it is not related. Thus, in computing, a client is a process, i.e., roughly a set of instructions or tasks, that requests a service provided by another program. The client process utilizes the requested service without having to “know” any working details about the other program or the service itself. In a client/server architecture, particularly a networked system, a client is usually a computer that accesses shared network resources provided by another computer, e.g., a server. In the illustration of  FIG. 10 , as an example, computers  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. can be thought of as clients and computers  1010   a ,  1010   b , etc. can be thought of as servers where servers  1010   a ,  1010   b , etc. maintain the data that is then replicated to client computers  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc., although any computer can be considered a client, a server, or both, depending on the circumstances. Any of these computing devices can be processing data or requesting services or tasks that can implicate the optimization algorithms and processes in accordance with at least one generalized non-limiting embodiment. 
     A server is typically a remote computer system accessible over a remote or local network, such as the Internet or wireless network infrastructures. The client process can be active in a first computer system, and the server process can be active in a second computer system, communicating with one another over a communications medium, thus providing distributed functionality and allowing multiple clients to take advantage of the information-gathering capabilities of the server. Any software objects utilized pursuant to the optimization algorithms and processes of at least one generalized non-limiting embodiment can be distributed across multiple computing devices or objects. 
     Client(s) and server(s) communicate with one another utilizing the functionality provided by protocol layer(s). For example, HyperText Transfer Protocol (HTTP) is a common protocol that is used in conjunction with the World Wide Web (WWW), or “the Web.” Typically, a computer network address such as an Internet Protocol (IP) address or other reference such as a Universal Resource Locator (URL) can be used to identify the server or client computers to each other. The network address can be referred to as a URL address. Communication can be provided over a communications medium, e.g., client(s) and server(s) can be coupled to one another via TCP/IP connection(s) for high-capacity communication. 
     Thus,  FIG. 10  illustrates an exemplary networked or distributed environment, with server(s) in communication with client computer (s) via a network/bus, in which the present innovation can be employed. In more detail, a number of servers  1010   a ,  1010   b , etc. are interconnected via a communications network/bus  1040 , which can be a LAN, WAN, intranet, GSM network, the Internet, etc., with a number of client or remote computing devices  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc., such as a portable computer, handheld computer, thin client, networked appliance, or other device, such as a VCR, TV, oven, light, heater and the like in accordance with the present innovation. It is thus contemplated that the present innovation can apply to any computing device in connection with which it is desirable to communicate data over a network. 
     In a network environment in which the communications network/bus  1040  is the Internet, for example, the servers  1010   a ,  1010   b , etc. can be Web servers with which the clients  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. communicate via any of a number of known protocols such as HTTP. Servers  1010   a ,  1010   b , etc. can also serve as clients  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc., as can be characteristic of a distributed computing environment. 
     As mentioned, communications can be wired or wireless, or a combination, where appropriate. Client devices  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. can or cannot communicate via communications network/bus  14 , and can have independent communications associated therewith. For example, in the case of a TV or VCR, there can or cannot be a networked aspect to the control thereof. Each client computer  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. and server computer  1010   a ,  1010   b , etc. can be equipped with various application program modules or objects  1035   a ,  1035   b ,  1035   c , etc. and with connections or access to various types of storage elements or objects, across which files or data streams can be stored or to which portion(s) of files or data streams can be downloaded, transmitted or migrated. Any one or more of computers  1010   a ,  1010   b ,  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. can be responsible for the maintenance and updating of a database  1030  or other storage element, such as a database or memory  1030  for storing data processed or saved according to at least one generalized non-limiting embodiment. Thus, the present innovation can be utilized in a computer network environment having client computers  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. that can access and interact with a computer network/bus  1040  and server computers  1010   a ,  1010   b , etc. that can interact with client computers  1020   a ,  1020   b ,  1020   c ,  1020   d ,  1020   e , etc. and other like devices, and databases  1030 . 
     Exemplary Computing Device 
     As mentioned, the innovation applies to any device wherein it can be desirable to communicate data, e.g., to a mobile device. It should be understood, therefore, that handheld, portable and other computing devices and computing objects of all kinds are contemplated for use in connection with the present innovation, i.e., anywhere that a device can communicate data or otherwise receive, process or store data. Accordingly, the below general purpose remote computer described below in  FIG. 11  is but one example, and the present innovation can be implemented with any client having network/bus interoperability and interaction. Thus, the present innovation can be implemented in an environment of networked hosted services in which very little or minimal client resources are implicated, e.g., a networked environment in which the client device serves merely as an interface to the network/bus, such as an object placed in an appliance. 
     Although not required, at least one generalized non-limiting embodiment can partly be implemented via an operating system, for use by a developer of services for a device or object, and/or included within application software that operates in connection with the component(s) of at least one generalized non-limiting embodiment. Software can be described in the general context of computer executable instructions, such as program modules, being executed by one or more computers, such as client workstations, servers, or other devices. Those skilled in the art will appreciate that the innovation can be practiced with other computer system configurations and protocols. 
       FIG. 11  thus illustrates an example of a suitable computing system environment  1100   a  in which the innovation can be implemented, although as made clear above, the computing system environment  1100   a  is only one example of a suitable computing environment for a media device and is not intended to suggest any limitation as to the scope of use or functionality of the innovation. Neither should the computing environment  1100   a  be interpreted as having any dependency or requirement relating to any one or combination of components illustrated in the exemplary operating environment  1100   a.    
     With reference to  FIG. 11 , an exemplary remote device for implementing at least one generalized non-limiting embodiment includes a general purpose computing device in the form of a computer  1110   a . Components of computer  1110   a  can include, but are not limited to, a processing unit  1120   a , a system memory  1130   a , and a system bus  1125   a  that couples various system components including the system memory to the processing unit  1120   a . The system bus  1125   a  can be any of several types of bus structures including a memory bus or memory controller, a peripheral bus, and a local bus using any of a variety of bus architectures. 
     Computer  1110   a  typically includes a variety of computer readable media. Computer readable media can be any available media that can be accessed by computer  1110   a . By way of example, and not limitation, computer readable media can comprise computer storage media and communication media. Computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules, or other data. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CDROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by computer  1110   a . Communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media. 
     The system memory  1130   a  can include computer storage media in the form of volatile and/or non-volatile memory such as read only memory (ROM) and/or random access memory (RAM). A basic input/output system (BIOS), containing the basic routines that help to transfer information between elements within computer  1110   a , such as during start-up, can be stored in memory  1130   a . Memory  1130   a  typically also contains data and/or program modules that are immediately accessible to and/or presently being operated on by processing unit  1120   a . By way of example, and not limitation, memory  1130   a  can also include an operating system, application programs, other program modules, and program data. 
     The computer  1110   a  can also include other removable/non-removable, volatile/non-volatile computer storage media. For example, computer  1110   a  could include a hard disk drive that reads from or writes to non-removable, non-volatile magnetic media, a magnetic disk drive that reads from or writes to a removable, non-volatile magnetic disk, and/or an optical disk drive that reads from or writes to a removable, non-volatile optical disk, such as a CD-ROM or other optical media. Other removable/non-removable, volatile/non-volatile computer storage media that can be used in the exemplary operating environment include, but are not limited to, magnetic tape cassettes, flash memory cards, digital versatile disks, digital video tape, solid state RAM, solid state ROM and the like. A hard disk drive is typically connected to the system bus  1125   a  through a non-removable memory interface such as an interface, and a magnetic disk drive or optical disk drive is typically connected to the system bus  1125   a  by a removable memory interface, such as an interface. 
     A user can enter commands and information into the computer  1110   a  through input devices such as a keyboard and pointing device, commonly referred to as a mouse, trackball or touch pad. Other input devices can include a microphone, joystick, game pad, satellite dish, scanner, or the like. These and other input devices are often connected to the processing unit  1120   a  through user input  1140   a  and associated interface(s) that are coupled to the system bus  1125   a , but can be connected by other interface and bus structures, such as a parallel port, game port or a universal serial bus (USB). A graphics subsystem can also be connected to the system bus  1125   a . A monitor or other type of display device is also connected to the system bus  1125   a  via an interface, such as output interface  1150   a , which can in turn communicate with video memory. In addition to a monitor, computers can also include other peripheral output devices such as speakers and a printer, which can be connected through output interface  1150   a.    
     The computer  1110   a  can operate in a networked or distributed environment using logical connections to one or more other remote computers, such as remote computer  1170   a , which can in turn have media capabilities different from device  1110   a . The remote computer  1170   a  can be a personal computer, a server, a router, a network PC, a peer device or other common network node, or any other remote media consumption or transmission device, and can include any or all of the elements described above relative to the computer  1110   a . The logical connections depicted in  FIG. 11  include a network  1180   a , such local area network (LAN) or a wide area network (WAN), but can also include other networks/buses. Such networking environments are commonplace in homes, offices, enterprise-wide computer networks, intranets and the Internet. 
     When used in a LAN networking environment, the computer  1110   a  is connected to the LAN  1180   a  through a network interface or adapter. When used in a WAN networking environment, the computer  1110   a  typically includes a communications component, such as a modem, or other means for establishing communications over the WAN, such as the Internet. A communications component, such as a modem, which can be internal or external, can be connected to the system bus  1125   a  via the user input interface of input  1140   a , or other appropriate mechanism. In a networked environment, program modules depicted relative to the computer  1110   a , or portions thereof, can be stored in a remote memory storage device. It will be appreciated that the network connections shown and described are exemplary and other means of establishing a communications link between the computers can be used. 
     While the present innovation has been described in connection with the preferred embodiments of the various Figures, it is to be understood that other similar embodiments can be used or modifications and additions can be made to the described embodiment for performing the same function of the present innovation without deviating therefrom. For example, one skilled in the art will recognize that the present innovation as described in the present application can apply to any environment, whether wired or wireless, and can be applied to any number of such devices connected via a communications network and interacting across the network. Therefore, the present innovation should not be limited to any single embodiment, but rather should be construed in breadth and scope in accordance with the appended claims. 
     The word “exemplary” is used herein to mean serving as an example, instance, or illustration. For the avoidance of doubt, the subject matter disclosed herein is not limited by such examples. In addition, any aspect or design described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other aspects or designs, nor is it meant to preclude equivalent exemplary structures and techniques known to those of ordinary skill in the art. Furthermore, to the extent that the terms “includes,” “has,” “contains,” and other similar words are used in either the detailed description or the claims, for the avoidance of doubt, such terms are intended to be inclusive in a manner similar to the term “comprising” as an open transition word without precluding any additional or other elements. 
     Various implementations of the innovation described herein can have aspects that are wholly in hardware, partly in hardware and partly in software, as well as in software. As used herein, the terms “component,” “system” and the like are likewise intended to refer to a computer-related entity, either hardware, a combination of hardware and software, software, or software in execution. For example, a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on computer and the computer can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between two or more computers. 
     Thus, the methods and apparatus of the present innovation, or certain aspects or portions thereof, can take the form of program code (i.e., instructions) embodied in tangible media, such as floppy diskettes, CD-ROMs, hard drives, or any other machine-readable storage medium, wherein, when the program code is loaded into and executed by a machine, such as a computer, the machine becomes an apparatus for practicing the innovation. In the case of program code execution on programmable computers, the computing device generally includes a processor, a storage medium readable by the processor (including volatile and non-volatile memory and/or storage elements), at least one input device, and at least one output device. 
     Furthermore, the disclosed subject matter can be implemented as a system, method, apparatus, or article of manufacture using standard programming and/or engineering techniques to produce software, firmware, hardware, or any combination thereof to control a computer or processor based device to implement aspects detailed herein. The terms “article of manufacture”, “computer program product” or similar terms, where used herein, are intended to encompass a computer program accessible from any computer-readable device, carrier, or media. For example, computer readable media can include but are not limited to magnetic storage devices (e.g., hard disk, floppy disk, magnetic strips . . . ), optical disks (e.g., compact disk (CD), digital versatile disk (DVD) . . . ), smart cards, and flash memory devices (e.g., card, stick). Additionally, it is known that a carrier wave can be employed to carry computer-readable electronic data such as those used in transmitting and receiving electronic mail or in accessing a network such as the Internet or a local area network (LAN). 
     The aforementioned systems have been described with respect to interaction between several components. It can be appreciated that such systems and components can include those components or specified sub-components, some of the specified components or sub-components, and/or additional components, and according to various permutations and combinations of the foregoing. Sub-components can also be implemented as components communicatively coupled to other components rather than included within parent components, e.g., according to a hierarchical arrangement. Additionally, it should be noted that one or more components can be combined into a single component providing aggregate functionality or divided into several separate sub-components, and any one or more middle layers, such as a management layer, can be provided to communicatively couple to such sub-components in order to provide integrated functionality. Any components described herein can also interact with one or more other components not specifically described herein but generally known by those of skill in the art. 
     In view of the exemplary systems described supra, methodologies that can be implemented in accordance with the disclosed subject matter will be better appreciated with reference to the various flow diagrams. While for purposes of simplicity of explanation, the methodologies are shown and described as a series of blocks, it is to be understood and appreciated that the claimed subject matter is not limited by the order of the blocks, as some blocks can occur in different orders and/or concurrently with other blocks from what is depicted and described herein. Where non-sequential, or branched, flow is illustrated via flowchart, it can be appreciated that various other branches, flow paths, and orders of the blocks, can be implemented which achieve the same or a similar result. Moreover, not all illustrated blocks can be required to implement the methodologies described hereinafter. 
     Furthermore, as will be appreciated various portions of the disclosed systems above and methods below can include or consist of artificial intelligence or knowledge or rule based components, sub-components, processes, means, methodologies, or mechanisms (e.g., support vector machines, neural networks, expert systems, Bayesian belief networks, fuzzy logic, data fusion engines, classifiers . . . ). Such components, inter alia, can automate certain mechanisms or processes performed thereby to make portions of the systems and methods more adaptive as well as efficient and intelligent. 
     While the present innovation has been described in connection with the preferred embodiments of the various figures, it is to be understood that other similar embodiments can be used or modifications and additions can be made to the described embodiment for performing the same function of the present innovation without deviating therefrom. 
     While exemplary embodiments refer to utilizing the present innovation in the context of particular programming language constructs, specifications or standards, the innovation is not so limited, but rather can be implemented in any language to perform the optimization algorithms and processes. Still further, the present innovation can be implemented in or across a plurality of processing chips or devices, and storage can similarly be effected across a plurality of devices. Therefore, the present innovation should not be limited to any single embodiment, but rather should be construed in breadth and scope in accordance with the appended claims.