Regional clear channel assessment (CCA) signaling with fallback downlink control indication (DCI) and user equipment (UE) listen before talk (LBT) procedures

Regional clear channel assessment (CCA) signaling with fallback downlink control indication (DCI) and user equipment (UE) listen before talk (LBT) procedures

Techniques discussed herein can facilitate listen before talk procedures for clear channel assessment signaling. One example aspect is a baseband processor of a user equipment (UE), including one or more processors configured to receive system information including a region indication for clear chan...

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Hauptverfasser: Hong He, Yushu Zhang, Sigen Ye, Chunxuan Ye, Wei Zeng, Oghenekome Oteri, Dawei Zhang, Huaning Niu
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
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creator Hong He
Yushu Zhang
Sigen Ye
Chunxuan Ye
Wei Zeng
Oghenekome Oteri
Dawei Zhang
Huaning Niu
description Techniques discussed herein can facilitate listen before talk procedures for clear channel assessment signaling. One example aspect is a baseband processor of a user equipment (UE), including one or more processors configured to receive system information including a region indication for clear channel assessment (CCA) procedures. The CCA procedures are associated with a listen before talk (LBT) region configuration for one of a first region, a second region, or a third region. One or more processors are configured to receive a downlink control information (DCI) in a physical downlink control channel (PDCCH) message that includes a DCI CCA indication. Subsequently, the one or more processors are configured to perform an initial LBT procedure associated with the region indication and generate a random access channel (RACK) message after performing the initial LBT procedure. Finally, the one or more processors generate an uplink (UL) message according to the DCI CCA indication.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
WIRELESS COMMUNICATIONS NETWORKS
title Regional clear channel assessment (CCA) signaling with fallback downlink control indication (DCI) and user equipment (UE) listen before talk (LBT) procedures
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