CPC H04W 4/023 (2013.01) [H04B 1/7163 (2013.01); H04W 4/80 (2018.02); H04W 8/005 (2013.01); H04W 76/11 (2018.02); G01B 7/14 (2013.01)] | 36 Claims |
1. A contact and ranging system comprising:
a first device of a plurality of devices, the first device comprising:
a first transceiver configured to perform discovery mode operations;
a second transceiver configured to perform ranging mode operations, and
a controller operable to control the operation of the first transceiver and the second transceiver;
wherein the first device is operable to determine a distance between the first device and a second device of the plurality of devices.
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