In-band network listen mechanisms employed in Time Division Duplex (TDD) systems often lead to service disruptions. This proposal provides a novel technique that optimizes network listen (NL) operation by enabling synchronized NL receive functions during locally blank physical resource blocks (PRBs), which may help to expose neighbor radio utilization of resources on a regular basis. This novel technique may facilitate in-band network listen functionality, while ensuring that service is not disrupted, even for a slot duration.
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Anderson, Fred; Silverman, Matt; and Potharaju, Shailender, "NETWORK LISTEN FUNCTION WITH EMBEDDED AUXILIARY RECEIVER", Technical Disclosure Commons, (January 24, 2021)