Source: https://patents.google.com/patent/US9319994
Timestamp: 2018-04-26 11:50:27
Document Index: 197742927

Matched Legal Cases: ['Application No. 60', 'Application No. 08170824', 'Application No. 201210183285', 'Application No. 201210183285', 'Application No. 08170824', 'Application No. 201210183303', 'Application No. 201210183303', 'Application No. 201210183303', 'Application No. 08170824']

US9319994B2 - Method and apparatus for storing mobile station physical measurements and MAC performance statistics in a management information base of an access point - Google Patents
US9319994B2
US9319994B2 US14248169 US201414248169A US9319994B2 US 9319994 B2 US9319994 B2 US 9319994B2 US 14248169 US14248169 US 14248169 US 201414248169 A US201414248169 A US 201414248169A US 9319994 B2 US9319994 B2 US 9319994B2
US14248169
US20140293876A1 (en )
This application is a continuation of U.S. patent application Ser. No. 13/553,417 filed on Jul. 19, 2012, which is a continuation of U.S. patent application Ser. No. 11/183,549 filed on Jul. 18, 2005 that issued as U.S. Pat. No. 8,340,051 on Dec. 25, 2012, which is a continuation of U.S. patent application Ser. No. 10/890,790 filed on Jul. 14, 2004 that issued as U.S. Pat. No. 6,958,982 on Oct. 25, 2005, which claims priority from U.S. Provisional Application No. 60/487,653 filed on Jul. 16, 2003, which are all hereby incorporated by reference.
RRM is one of the most important aspects in WLAN management. A WLAN can achieve significant performance enhancement by performing RRM, including, in-band interference mitigation and frequency re-use. For efficient RRM, it is necessary for an NME to retrieve WTRU specific TPC related information. A problem with the MIB data structure used in conventional wireless systems is that TPC information of a WTRU is not stored in the MIB of an AP.
FIG. 1A is a block diagram of a wireless communication system 100 including, a plurality of WTRUs 105, a plurality of APs 110, a distribution system (DS) 115, an NME 120 and a network 125. The WTRUs 105 and APs 110 form respective base service sets (BSSs) 130. The BSSs 130 and the DS 115 form an extended service set (ESS). The APs 110 are connected to the NME 120 through the network 125. The wireless communication system 100 may be a WLAN.
1. A method at an Access Point (AP) interfacing device for exchanging measurements in wireless communications, the method comprising:
communicating a message from a first management entity of the AP interfacing device to a second management entity of the AP interfacing device, the second management entity being a Media Access Control (MAC) Layer Management Entity (MLME);
transmitting, in response to the message, a measurement request from the second management entity, the MLME, wherein the measurement request includes a request for a measurement of a parameter;
receiving a measurement report at the second management entity, the MLME, the measurement report received from a wireless transmit/receive unit (WTRU), wherein the measurement report includes the requested measurement of the parameter; and
storing the requested measurement of the parameter in a management information base (MIB) of the AP interfacing device.
the first management entity of the AP interfacing device comprises a Station Management Entity (SME), wherein the Station Management Entity of the AP interfacing device operates as a layer-independent management entity of the AP interfacing device.
3. The method of claim 2, wherein the message requests the Station Management Entity to determine whether or not to adapt the transmit power level of the WTRU based on the measurement of the parameter.
5. The method of claim 1, wherein the measurement report includes one or more of a signal-to-noise indicator parameter measurement or a histogram of values of the parameter over time or a statistical average of the requested measurement or an absolute value of the requested measurement.
6. The method of claim 1, wherein the parameter includes one of a received channel power indicator (RCPI) or a signal-to-noise indicator.
a first management entity;
a second management entity, the second management entity being a Media Access Control (MAC) Layer Management Entity (MLME); and
wherein the first management entity is to communicate a message to the second management entity;
wherein the second management entity, the MLME, to transmit in response to the message, a measurement request, wherein the measurement request includes a request for a measurement of a parameter,
wherein the second management entity, the MLME, is further to receive the measurement report from a wireless transmit/receive unit (WTRU), the measurement report containing the requested measurement of the parameter, and
wherein the MIB is to store the requested measurement of the parameter.
12. The AP of claim 11, wherein the first management entity of the AP comprises a Station Management Entity (SME), wherein the Station Management Entity of the AP operates as a layer-independent management entity of the AP.
13. The AP of claim 12, wherein the message requests the Station Management Entity to determine whether or not to adapt the transmit power level of the WTRU based on the measurement of the parameter.
14. The AP of claim 11, wherein the AP is to receive a request from a network management entity (NME) external to the AP, the request from the NME being for information stored by the management information base (MIB) of the AP; and
wherein the MIB to store the requested measurement of the parameter comprises the MIB to store the measurement report at the MIB of the AP and make the information of the measurement report available to the NME.
15. The AP of claim 11, wherein the measurement report includes one or more of a signal-to-noise indicator parameter measurement or a histogram of values of the parameter over time or a statistical average of the requested measurement or an absolute value of the requested measurement.
16. The AP of claim 11, wherein the parameter includes one of a received channel power indicator (RCPI) or a signal-to-noise indicator.
19. The AP of claim 11, wherein the request for a measurement is a request for a stored measurement of a parameter.
20. The AP of claim 11, wherein the request for a measurement is a request to perform a new measurement of a parameter.
US14248169 2003-07-16 2014-04-08 Method and apparatus for storing mobile station physical measurements and MAC performance statistics in a management information base of an access point Active US9319994B2 (en)
US15132093 Continuation US20160234056A1 (en) 2003-07-16 2016-04-18 Method and apparatus for storing mobile station physical measurements and mac performance statistics in a management information base of an access point
US20140293876A1 true US20140293876A1 (en) 2014-10-02
US9319994B2 true US9319994B2 (en) 2016-04-19
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