METHOD AND DEVICE FOR DETECTING SURROUNDINGS
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United States of America Patent
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Issued Date -
Jul 30, 2015
app pub date -
Aug 12, 2014
filing date -
Jan 24, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for detecting surroundings of a software radio is provided, wherein the software radio comprises a first directional antenna and a second directional antenna, and the method comprises: sending a directional signal towards a preset direction by the first directional antenna; receiving a return signal from the preset direction by the second directional antenna, and obtaining a round trip time according to the directional signal and the return signal; obtaining a distance between the software radio and an object in the preset direction according to the round trip time; adjusting the preset direction and repeating above steps, until distances between the software radio and objects in respective directions are obtained; obtaining the surroundings of the software radio according to the distances between the software radio and objects in respective distances.
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