Source: http://www.google.com/patents/US8165575?dq=6,064,942
Timestamp: 2017-09-26 13:01:16
Document Index: 164930221

Matched Legal Cases: ['§371', 'Application No. 60', 'Application No. 2', 'Application No. 2', 'Application No. 2', 'Application No. 01271927', 'Application No. 01271927', 'Application No. 01271927']

Patent US8165575 - Wireless router system and method - Google Patents
A wireless router employing a technique to couple a plurality a host services or host systems and a plurality of wireless networks. A method to route data items between a plurality of mobile devices and a plurality of host systems through a common wireless router. A point-to-point communication connection...http://www.google.com/patents/US8165575?utm_source=gb-gplus-sharePatent US8165575 - Wireless router system and method
Publication number US8165575 B2
Application number US 13/111,465
Filing date May 19, 2011
Also published as CA2432589A1, CA2432589C, CA2640713A1, CA2640713C, CA2725700A1, CA2725700C, EP1344353A2, EP1344353B1, US7010303, US7529230, US8050684, US8483694, US8693996, US20040116119, US20060018283, US20090135765, US20110225630, US20120008560, US20120142359, WO2002052798A2, WO2002052798A3, WO2002052798A9
Publication number 111465, 13111465, US 8165575 B2, US 8165575B2, US-B2-8165575, US8165575 B2, US8165575B2
Patent Citations (275), Non-Patent Citations (99), Referenced by (1), Classifications (42), Legal Events (4)
US 8165575 B2
1. A method of enabling a coupling between a host service and a mobile communication device over a communications network for communication of data messages, comprising:
maintaining a plurality of host service identifiers, one of the plurality of host service identifiers being associated with the host service and for authorizing the host service to use the coupling;
receiving an incoming host connection from the host service;
establishing a first secure authenticated communication tunnel for receiving data from the host service;
maintaining a plurality of mobile communication device identifiers, one of the plurality of mobile communication device identifiers associated with the mobile communication device and for authorizing the mobile communication device to use the coupling;
receiving a device registration request from the mobile communication device;
establishing a second secure authenticated communication tunnel for communicating data to the mobile communication device;
maintaining a plurality of connected identifiers, one of the plurality of connection identifiers associated with the second secure authenticated communication tunnel;
sending a registration response to the mobile communication device using the one of the plurality of connection identifiers;
receiving a message from the host service through the first secure authenticated communication tunnel, the message comprising an identifier corresponding to one of the plurality of mobile communication device identifiers; and
sending the message to the mobile communication device using the second secure authenticated communication tunnel.
2. The method of claim 1, wherein the communications network supports wireless communications.
3. The method of claim 1, wherein the plurality of host service identifiers, the plurality of mobile communication device identifiers, and the plurality of connection identifiers are stored in a database.
4. The method of claim 1, wherein the host service is an application service provider.
5. The method of claim 1, wherein the coupling comprises a communication path from the host service to a wireless router over the internet.
6. The method of claim 1, wherein the coupling comprises a communication path from the mobile communication device to a wireless router over the internet.
determining based on the identifier a particular wireless network associated with the received message; and
routing the received message to the determined wireless network.
8. The method of claim 1, wherein the message sent to the mobile communication device is encrypted.
9. The method of claim 1, wherein the message sent to the mobile communication device provides a notification of an event.
registering the host service.
registering the mobile communication device.
tracking a location of the mobile communication device.
13. The method of claim 1, wherein the identifier corresponding to one of the plurality of mobile communication device identifiers is one of the mobile communication device identifiers.
This is a continuation of application Ser. No. 12/357,861, filed Jan. 22, 2009 now U.S. Pat. No. 8,050,684, which is a continuation of U.S. application Ser. No. 11/210,718, filed on Aug. 24, 2005, now U.S. Pat. No. 7,529,230, which is a continuation of U.S. application Ser. No. 10/451,717, filed on Jun. 20, 2003, now U.S. Pat. No. 7,010,303, which is a national phase application filed under 35 U.S.C. §371 of PCT/CA01/01814, filed on Dec. 21, 2001. This application also claims priority to U.S. Application No. 60/257,425, filed on Dec. 22, 2000. Each of these prior applications are hereby incorporated into this application by reference.
FIG. 3 is a high-level block diagram of a preferred embodiment of a routing system by which data items are routed to and from the mobile devices 24 in accordance with a further aspect of the invention. FIG. 3 introduces further complexity into the system in which the invention is used. As shown in FIG. 3, information services such as the Wireless Enterprise Server 28 a, Joe's E-Trade Service 28 b, My ISP Service 28 c, and My ASP Service 28 d are all connected via WAN 18 to the wireless routing system 20. As described in FIG. 1, it is assumed in this figure that any of these host systems 28 can have one or more wireless enabled host services 40, 12 and 14 running within a computer running at the host system 28. For the remaining parts of this application this relationship will be assumed. The wireless router 20 may be distributed across different geographic boundaries for redundancy and fault tolerance. As will be apparent to those skilled in the art, the arrangement shown in FIG. 3 assumes that wireless networks 26 a, 26 b and 26 c are packet-based communication networks, although the invention is not limited thereto. Packet-based wireless networks 26 are widely used for data transfer and are therefore preferred for implementation of the invention. The mobile device 24 is adapted for communication within wireless network 26 via wireless links 22, as required by each wireless network 26 being used. As an illustrative example of the operation for a wireless routing system 20 shown in FIG. 3, consider a data item A, repackaged in outer envelope B (the packaged data item A now referred to as “data item (A)”) and sent to the mobile device 24 from an Application Service Provider (ASP) 104. Within the ASP is a computer program, similar to the wireless mobility agent 12 or 14 in FIG. 1, running on any computer in the ASP's environment that is sending requested data items from a data store 115 to a mobile device 24. The mobile-destined data item (A) is routed through the Internet 18, and through the wireless router's 20 firewall protecting the wireless router 20. Only authorized host systems can exchange data with mobile devices 24, thus reducing the chances of denial of service attacks or other security problems. Each host system is configured and setup by the operator of the wireless router 20. For one skilled in the art of firewall configuration this can easily be performed through direct operator commands, through a web interface, manually or programmatically. The wireless router 20 examines the mobile address information contained in the outer envelope B to determine which wireless network 26 to route the data item (A) to. The wireless router 20 then routes the data item (A) based on the mobile address in envelope B and then transmitted to the mobile device 24 d over wireless network 26 c. In this example, the data item A could be an E-Mail sent from an Internet mail account, a calendar event, a database inventory item level, a field service call or other important, ‘just-in-time’ pieces of data residing primarily at the host system 28 d. As shown in subsequent diagrams the wireless router 20 may also track the location of the wireless device 24 by following incoming traffic patterns, by receiving any information provided by the wireless network 26, and by receiving registration signals from the mobile device 24 when the user changes wireless networks 26. This later case may be performed manually by the user of the mobile device 24, so the RE component of the mobile device 24 can change frequency tables to match the new country being used. At any time a wireless device 24 might roam between wireless networks 26, so that a new path is required for data items. The path it takes might involve serious time delay as the user flies to another country or a different part of the same country. During this out-of-coverage blackout, the wireless router 20 is storing all data items to be eventually transmitted to the mobile device 24, and is periodically attempting to re-send any stored data items to see if the mobile device 24 has returned to a coverage area.
c) It should be able to accept network control messages and feedback if available. Some wireless networks will inform the wireless router 20 what is happening to the mobile device 24. These feedback messages are essential to improving the delivery experience. Control messages like: ‘Mobile back in coverage’, ‘Mobile out of coverage’, ‘Mobile turned off’, ‘Base station is congested’, and ‘Network congested’ are all important indicators that affect how to deliver packets to the device 24 in a network-friendly manner.
In reference to FIG. 6 this figure focuses on the role of the wireless transport handler (WTH) 306 and the network interface adapter (NIA) 308 in the role of delivering and receiving data to a wireless network 26. As demonstrated in FIG. 5 the role of the work dispatcher 302 and the mobile database 340 b are key to providing the routing operation required. In FIG. 6 another database is introduced the wireless transport and networks database 340 c, This database holds the relationship between WTH 306 and wireless networks 26. Since one wireless router 26 supports any number of wireless networks 26, this is done by mapping wireless networks 26 onto different WTH 306 components.
Turning now to FIG. 6 we can build on the description provided in FIG. 5. For data arriving from a host service 28 there is an assignment made to a WTH 306. This assignment was briefly in FIG. 5, and was based on many factors. When the wireless router 20 was first built, there was an attempt to mirror every component to have at least one redundant element. In the case of the WTH 306, the work dispatcher 302 will have several WTHs 306 that can reach the same wireless network 26 and provide redundant service. Therefore, in addition to finding the correct WTH 306, that can provide access to the correct network, the work dispatcher 302 ensure the WTH 306 does it's job. If the WTH 306 has a problem, is overloaded, or some other problem exists, it will re-assign the message to another WTH 306 if the first one fails for some reason. To assist the work dispatcher 302 the wireless transport database 340 c keeps track of all the WTH 306, the wireless network 26 they support, their roles and their capabilities. Each WTH 306 might talk to one or more NIA 308. The NIA 350 might be accessible direction or via the network backbone 314. This architectural decision is based on how closely coupled the NIA 308 will be with the WTH 306. A closely coupled system means the two components can be optimized and improved to improve performance and throughput. A loose coupling means that if an NIA 350 fails it is easier for the WTH 306 to acquire a new NIA 350 to serve the same purpose. In the loose coupling embodiment the WTH 306 would request a NIA 350 that connects to a given network via the work dispatcher 302. The work dispatcher would go to the transport database 340 c to find an assignment of NIA 350 to wireless network 26 mappings. The wireless transport and networks database 340 c has a range of fields to provide the functionality necessary for the wireless router 20. The transport database 340 c has at least the following fields: WTH number, the network that it is supporting and the connection number identified. Each WTH 306 can support many links to NIA 308 and thus to many wireless networks 26
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U.S. Classification 455/418, 713/155, 455/411, 455/445, 709/235
International Classification H04W88/16, H04M3/00, H04W88/18, H04W92/02, H04W92/24, H04W40/02, H04L12/58, H04L12/56, H04L12/28, H04L29/06
Cooperative Classification H04L51/14, H04W92/24, G06Q20/102, H04L51/12, H04W80/00, H04W76/02, H04W92/02, H04L63/029, H04W8/26, H04W88/18, H04W88/16, H04W40/02, H04W88/14, H04W12/02, H04W40/00, H04L63/0428, H04L51/38
European Classification H04W92/02, H04W40/02, H04L63/04B, H04W12/02, H04L12/58F, H04L63/02E, H04L12/58G, G06Q20/102, H04L51/12, H04L51/14
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