Invention Grant
- Patent Title: HARQ feedback codebook for multicast and unicast
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Application No.: US18586684Application Date: 2024-02-26
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Publication No.: US12301375B2Publication Date: 2025-05-13
- Inventor: Rui Fan , Jörg Huschke , Ratheesh Kumar Mungara
- Applicant: Telefonaktiebolaget LM Ericsson (PUBL)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (PUBL)
- Current Assignee: Telefonaktiebolaget LM Ericsson (PUBL)
- Current Assignee Address: SE Stockholm
- Agency: Baker Botts L.L.P.
- Priority: WOPCT/CN2021/085612 20210406
- Main IPC: H04L12/18
- IPC: H04L12/18 ; H04L1/1829 ; H04W72/1273

Abstract:
A wireless device (110) obtains a codebook that is based on a first downlink data to uplink feedback timing set (30) for feedback associated with multicast downlink data and a second downlink data to uplink feedback timing set (31) for feedback associated with unicast downlink data. A number of downlink slots associated with the codebook is determined based on a union of the first set and the second set. The wireless device transmits feedback to a network node (160) based on the codebook. A number of feedback bits (32) in the codebook for a downlink slot associated with the codebook is determined based on a union of a first Time Domain Resource Allocation, TDRA, list and a second TDRA list. The first list indicates possible allocations of symbols for a downlink shared channel for multicast. The second list indicates possible allocations of symbols for a downlink shared channel for unicast.
Public/Granted literature
- US20240235875A1 HARQ FEEDBACK CODEBOOK FOR MULTICAST AND UNICAST Public/Granted day:2024-07-11
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