LOCATING METHOD AND LOCATING SYSTEM
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United States of America Patent
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Issued Date -
Dec 4, 2014
app pub date -
Dec 19, 2011
filing date -
Dec 19, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention, pertaining to the field of communications technologies, discloses a locating method and a locating system. The method includes: receiving a locating request and a locating feature parameter from a terminal, where the locating feature parameter is acquired by demodulating a locating spread spectrum signal inserted in a timeslot header or a transmission frame header of a mobile broadcast signal after the terminal receives the mobile broadcast signal; and locating the terminal by using a grid-based feature parameter matching algorithm according to the locating feature parameter. According to the present invention, a locating feature parameter that is acquired after a terminal demodulates a received mobile broadcast signal is received from the terminal; and the terminal is located by using a grid-based feature parameter matching algorithm according to the locating feature parameter. This, on the premise of not affecting normal receiving and demodulation of mobile broadcast signals, not only achieves an effect of real-time and high-precision location and implements wide-area high-precision location and navigation of mass of terminals, but also implements integration of a broadcast system and a mobile communication system.
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