A network node system implementing listen-before-talk (LBT) procedures with random access preambles and failure reporting mechanisms for spectrum-shared communication networks.

Patentradars sammanfattning

This invention relates to a network node within a communication network that manages random access procedures using listen-before-talk (LBT) protocols. The system processes random access preambles (RA PREAMBLE 18-1 through 18-N) and coordinates LBT operations (LBT 22-1 through 22-N) across multiple channels or time slots. A reporting mechanism (REPORT 26) aggregates LBT failures through an 'allLBTFailures' information element (IE 28), enabling the network to monitor spectrum access reliability and adapt random access strategies accordingly.

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