USER TERMINAL AND WIRELESS BASE STATION

WIPO Patent Application WO/2019/193700

A1

The user terminal according to one embodiment is characterized by having: a reception unit that receives downlink control information that is for releasing semi-persistent scheduling (SPS) for a downlink shared channel; and a control unit that supports reception of up to one unicast downlink shared channel per slot and, when the SPS and a semi-static hybrid automatic repeat request acknowledgement (HARQ-ACK) codebook have been established, generates one HARQ-ACK bit with respect to the reception of the downlink control information. This embodiment makes it possible for HARQ-ACK to be transmitted appropriately, even when a semi-static HARQ-ACK codebook has been established.

JP4968858	Data transmission method and data retransfer method
JP5301572	Packet decoding for H-ARQ transmission
JP5639717	Reception confirmation transmission method and device in wireless communication system

TAKEDA KAZUKI (JP)
NAGATA SATOSHI (JP)
WANG LIHUI (CN)
GUO SHAOZHEN (CN)
HOU XIAOLIN (CN)

PCT/JP2018/014490

October 10, 2019

April 04, 2018

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NTT DOCOMO INC (JP)

H04W28/04; H04W28/06

JP2014519252A

2014-08-07

SAMSUNG: "HARQ-ACK codebook determination", 3GPP TSG RAN WG1 ADHOC_NR_AH_1706 R1-1710729, 26 June 2017 (2017-06-26), XP051299934
HUAWEI ET AL.: "Asynchronous HARQ procedure in NR", 3GPP TSG-RAN WG2#95BIS R2-166200, 9 October 2016 (2016-10-09), XP051150814
"Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 (Release 8", 3GPP TS 36.300 V8.12.0, April 2010 (2010-04-01)
See also references of EP 3780717A4

AOKI, Hiroyoshi et al. (JP)

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