Patent ID: 9572007
Date: 2017-02-14
CPC Classifications: H04W,Y02D

Claim:
1. A first wireless device comprising: a radio comprising at least one of a receiver or a transmitter, the radio configured to communicate over a wireless communication medium according to a discovery scheme including a plurality of contention-based discovery windows (DWs), the radio to communicate with a second wireless device a discovery frame during a first discovery process, the discovery frame including a field comprising an indication of one or more selected DWs of said plurality of DWs, the field comprising a plurality of bits to identify which of the plurality of DWs are the one or more selected DWs; and a controller to switch the first wireless device between a power save state and an active state, the controller to switch said first wireless device to operate in said active state in the one or more selected discovery windows to discover the second wireless device during a second discovery process, subsequent to the first discovery process.