Channel access priority class for signaling radio bearers in new radio unlicensed

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United States of America Patent

PATENT NO 12127253
SERIAL NO

17430584

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Abstract

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A method for determining Listen Before Talk (LBT) type and Channel Access Priority Class (CAPC) for signaling message transmission over signaling radio bearers (SRBs) in 5G New Radio-Unlicensed (NR-U) is proposed. A user equipment (UE) generates an SRB message to be transmitted to a serving base station over a control channel. Before the uplink (UL) transmission of an UL PDU containing the SRB message, the UE performs an LBT procedure using a set of LBT parameters associated with a CAPC value. In one embodiment, the CAPC is provided by the base station via an UL grant contained in a downlink control information (DCI). In another embodiment, the CAPC is determined by the UE based on an SRB type of the SRB message.

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Patent Owner(s)

Patent OwnerAddress
MEDIATEK SINGAPORE PTE LTDNO 1 FUSIONOPOLIS WALK #03-01 SOLARIS SINGAPORE 138628

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsu, Chia-Chun Hsinchu, TW 219 3903
Nuggehalli, Pavan Santhana Krishna San Jose, US 53 600
Roy, Abhishek San Jose, US 74 430

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