METHOD AND DEVICE FOR DETECTING SURROUNDINGS

摘要

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.

主权项

1. A method for detecting surroundings with a software radio, 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.