Patent ID: 9736763
Date: 2017-08-15
CPC Classifications: H04W

Claim:
1. A method comprising: monitoring, by a user equipment, for a presence of a plurality of orthogonal frequency division multiple access device-to-device beacons over a course of a plurality of beacon transmission opportunities, the plurality of orthogonal frequency division multiple access device-to-device beacons transmitted by at least one other user equipment; monitoring, by the user equipment, at least one quality parameter relating to reception of each of the plurality of orthogonal frequency division multiple access device-to-device beacons; and transmitting, by the user equipment and to the at least one other user equipment, a beacon map comprising information indicating whether each of the plurality of orthogonal frequency division multiple access device-to-device beacons were received properly, in each of the plurality of beacon transmission opportunities, based at least in part upon the at least one quality parameter.