PROCESS AND DEVICE FOR LOCATION-FINDING BY DETECTION OF RADIO SIGNAL EMITTERS
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United States of America Patent
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Issued Date -
Jan 21, 2010
app pub date -
Sep 24, 2007
filing date -
Oct 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a location method characterised in that it comprises the following steps: a) receiving in a location device (1) signals from radio signal transmitters, each radio signal transmitter being capable of transmitting a digital frame including a header containing at least one transmitter identifier, and determining a list of identifiers containing an identifier for each transmitter; b) determining a set of candidate elements among sub-areas, or elements, of a geographic area; c) selecting the best candidate in the set of candidate elements; and d) locating said location device (1) in said element selected as the best candidate during step c).
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