Invention Grant
- Patent Title: Radio-unlicensed multi-channel access for low-radio frequency-capable user equipment
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Application No.: US16559252Application Date: 2019-09-03
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Publication No.: US11751242B2Publication Date: 2023-09-05
- Inventor: Yisheng Xue , Xiaoxia Zhang , Aleksandar Damnjanovic , Jing Sun , Yongbin Wei , Tamer Kadous
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Norton Rose Fulbright US LLP
- Main IPC: H04W74/08
- IPC: H04W74/08 ; H04W16/14 ; H04W24/08 ; H04W72/23

Abstract:
New radio (NR) unlicensed (NR-U) multi-channel access is disclosed for low-radio frequency (RF)-capable user equipment (UE). A base station may enable multi-channel access when single operator operations cannot be guaranteed within a shared communication spectrum. The primary and secondary channels are defined within the shared communication channel. The base station may then transmit a configuration message to one or more low-RF UEs that identifies the charnels and directs the UEs to monitor the primary channel for a successful listen before talk (LBT) indicator. The base station performs an LBT procedure on the primary channel and the secondary channel and signals the low-RF UEs to re-tune to the secondary channel for communication during a current transmission opportunity.
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