The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 09, 2025

Filed:

Dec. 15, 2022
Applicant:

Guangdong Oppo Mobile Telecommunications Corp., Ltd., Guangdong, CN;

Inventors:

Huei-Ming Lin, South Yarra, AU;

Zhenshan Zhao, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/1829 (2023.01); H04L 5/00 (2006.01); H04W 74/0833 (2024.01); H04L 1/1812 (2023.01); H04W 4/06 (2009.01);
U.S. Cl.
CPC ...
H04L 1/1861 (2013.01); H04L 5/0055 (2013.01); H04W 74/0833 (2013.01); H04L 1/1812 (2013.01); H04W 4/06 (2013.01);
Abstract

An apparatus and a method for a hybrid automatic repeat request (HARQ) feedback transmission are provided. A method for a HARQ feedback transmission includes receiving a multicast broadcast service (MBS) transport block (TB) from a base station, decoding the MBS TB, and transmitting, to the base station, a HARQ feedback in a form of a negative acknowledgement (NACK)-only report when the UE incorrectly decodes the MBS TB.


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