TECHNOLOGY NEUTRAL COEXISTENCE AND HIGH PRIORITY TRAFFIC IN UNLICENSED FREQUENCY BANDS

摘要

Technology neutral coexistence and high priority traffic is disclosed for use in unlicensed frequency bands. Synchronization boundaries are defined in which synchronous contention windows across all radio access technologies attempting access to a shared communication channel occur periodically. Between the synchronous contention windows, the nodes may return to asynchronous access procedures. Such synchronous access procedures may be applicable to certain power classes or deployment type nodes. Additionally, various priority schemes for the synchronous contention window may be used to ensure protection of higher priority nodes or traffic, such as ultra-reliable low latency communication (URLLC) traffic. According to certain aspects, the deployment of such synchronous access methodology may be triggered via signaling from initiating devices. Additional aspects may provide for a technology neutral receiver protection mechanism by defining resources for protection signaling during receiver protection intervals between successive synchronous contention windows.