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1. (WO2018058963) SENSING METHODS FOR WIRELESS COMMUNICATION DEVICES

Pub. No.:    WO/2018/058963    International Application No.:    PCT/CN2017/084152
Publication Date: Fri Apr 06 01:59:59 CEST 2018 International Filing Date: Sat May 13 01:59:59 CEST 2017
IPC: H04L 29/08
Applicants: JRD COMMUNICATION INC.
Inventors: RON, Roy
PALGY, Michal
ASSOULINE, Benny
Title: SENSING METHODS FOR WIRELESS COMMUNICATION DEVICES
Abstract:
A pedestrian-located UE (102) monitors selected subframes of a sidelink resource to detect periodic transmissions from other mobile devices to assist it in selecting a free resource for its own sidelink transmissions. The subframe selection is based on a cost metric which takes into account a probability of missing detection of a transmission with periodicity p from another mobile device, an average number of transmissions with periodicity p that are expected from another mobile device within a predefined transmission period of the mobile device, and a number of transmission cycles of the mobile device that need to occur in order to have a single potential collision with each periodic transmission from said at least one other wireless communication. The method provides a trade-off between avoiding future collisions and battery life.