Invention Publication
- Patent Title: CODEBOOK CONSTRUCTION FOR POINT-TO-MULTIPOINT OPERATION IN TELECOMMUNICATION SYSTEMS
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Application No.: US18260634Application Date: 2021-01-18
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Publication No.: US20240056776A1Publication Date: 2024-02-15
- Inventor: Ugur Baran ELMALI , David BHATOOLAUL , David NAVRÁTIL , Naizheng ZHENG , Volker PAULI , Athul PRASAD
- Applicant: Nokia Technologies Oy
- Applicant Address: FI Espoo
- Assignee: Nokia Technologies Oy
- Current Assignee: Nokia Technologies Oy
- Current Assignee Address: FI Espoo
- International Application: PCT/CN2021/072454 2021.01.18
- Date entered country: 2023-07-07
- Main IPC: H04W4/06
- IPC: H04W4/06 ; H04L5/00

Abstract:
This disclosure presents methods and processes to allow a user equipment (UE) to map a hybrid automatic retransmission request-acknowledgement (HARQ-ACK) feedback to one or more HARQ-ACK sub-codebooks for received services. The one or more HARQ-ACK sub-codebooks can be concatenated into one HARQ-ACK codebook and then communicated to a communication node, when those services use a HARQ-ACK feedback that is scheduled for the same time instance. Various methods can be used for the concatenation order depending on the number of multicast and broadcast services (MBS) for which HARQ feedback is to be provided, and depending on whether HARQ-ACK feedback is to be sent for unicast services at the scheduled time instance. The concatenation order can utilize an increasing order or a decreasing order of the concatenation order parameters.
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