POSITIONING FOR WLAN AND OTHER WIRELESS NETWORKS Russian patent published in 2010 - IPC G01S5/02 H04L12/28 

Abstract RU 2390791 C2

FIELD: information technology.

SUBSTANCE: methods of positioning access points and terminals in WLAN and other wireless networks are proposed. In order to position an access point, measurements are taken for at least one access point in a WLAN. Measurements can be taken based on a transmission sequence (e.g. beacon signal frames) periodically transmitted by each access point. Measurements can be taken by several terminals in different positions or by one mobile terminal in different positions. The position of each access point is determined based on the measurements and known positions of terminal(s). In order to position a terminal, measurements are taken for at least one access point in a WLAN. The position of the terminal is determined based on the measurements and the known position of each access point. Measurements can be round-trip time (RTT) measurements, observed time difference (OTD) measurements, signal time of arrival (TOA) measurements, signal level measurements, signal quality measurements etc.

EFFECT: higher accuracy of determining position of a terminal in a wireless network.

45 cl, 14 dwg, 2 tbl

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RU 2 390 791 C2

Authors

Ehdzh Stefen V.

Dates

2010-05-27Published

2006-11-07Filed