US 12,316,448 B2
Apparatus and method for determining the content of a retransmission
Janik Frenzel, Munich (DE); and Stefan H. Mueller-Weinfurtner, Munich (DE)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/442,013
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Apr. 6, 2020, PCT No. PCT/US2020/026929
§ 371(c)(1), (2) Date Sep. 22, 2021,
PCT Pub. No. WO2020/206451, PCT Pub. Date Oct. 8, 2020.
Claims priority of provisional application 62/829,590, filed on Apr. 4, 2019.
Prior Publication US 2022/0200729 A1, Jun. 23, 2022
Int. Cl. H04L 1/00 (2006.01); H03M 13/00 (2006.01); H04L 1/1812 (2023.01); H04L 1/18 (2023.01)
CPC H04L 1/0061 (2013.01) [H03M 13/6306 (2013.01); H04L 1/0052 (2013.01); H04L 1/0057 (2013.01); H04L 1/1812 (2013.01); H04L 1/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of operating a user equipment (UE) in a wireless network, comprising:
obtaining a parity check matrix (PCM) associated with a received message;
assigning rows of the PCM to respective groups of a plurality of groups, the respective groups having corresponding one or more parity checks as determined by the PCM, wherein the assigning comprises assigning two or more rows of the PCM to a respective group of the plurality of groups, the respective group having corresponding one or more parity checks as determined by the two or more rows of the PCM;
generating a feedback message including a plurality of bits corresponding to the plurality of groups, wherein an individual bit of the plurality of bits indicates whether a corresponding respective group of the plurality of groups includes one or more unsatisfied parity checks; and
transmitting or causing to transmit the feedback message to a base station of the wireless network.