US 11,722,261 B2
Communication apparatus and communication method
Hiroki Matsuda, Tokyo (JP); Kazuyuki Shimezawa, Kanagawa (JP); and Naoki Kusashima, Kanagawa (JP)
Assigned to SONY GROUP CORPORATION, Tokyo (JP)
Filed by Sony Group Corporation, Tokyo (JP)
Filed on Aug. 19, 2021, as Appl. No. 17/406,092.
Application 17/406,092 is a continuation of application No. 16/608,190, granted, now 11,121,826, previously published as PCT/JP2018/009515, filed on Mar. 12, 2018.
Claims priority of application No. 2017-091538 (JP), filed on May 2, 2017.
Prior Publication US 2021/0385025 A1, Dec. 9, 2021
Int. Cl. H04L 1/1812 (2023.01); H04L 1/00 (2006.01); H04W 28/04 (2009.01); H04W 72/12 (2023.01)
CPC H04L 1/1819 (2013.01) [H04L 1/0003 (2013.01); H04W 28/04 (2013.01); H04W 72/12 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A communication apparatus, comprising:
communication circuitry configured to:
transmit a transport block to another apparatus,
wherein the transport block is divided into at least two encoding groups, each encoding group of the at least two encoding groups being formed of one or more encoding units,
receive notification, from the another apparatus, regarding a target of re-transmission, the target of re-transmission being one or more encoding units not successfully received at the another apparatus, the one or more encoding units not successfully received corresponding to less than all of the at least two encoding groups, and
based on a predetermined criteria, retransmit to the another apparatus either:
a) only encoding groups of the at least two encoding groups that include the one of the one or more encoding units that the another apparatus fails to receive, or
b) all of the one or more encoding units of the at least two encoding groups,
wherein the predetermined criteria comprises information previously received from the another apparatus and indicating whether a) only encoding groups of the at least two encoding groups that include the one of the one or more encoding units that the another apparatus fails to receive are to be retransmitted to the another apparatus, or b) all of the one or more encoding units of the at least two encoding groups are to be retransmitted to the another apparatus.