METHOD AND APPARATUS FOR PERFORMING A HARQ FEEDBACK AND RETRANSMISSION

WIPO Patent Application WO/2018/097619

A1

The present disclosure discloses a method for performing ahybrid automatic repeat request (HARQ) feedback, method comprises: receiving data units; performing group bundling on the data units, wherein at least one data unit is bundled into more than one groups; determining, according to decoding results of the data units in each of the groups, ACK/NACK information of corresponding groups; feeding back ACK/NACK information of different bundled groups to the transmitter. Compared with the prior art, according to the present disclosure, a receiver performs grouping on data units in a way of overlapping bundling, group is used as a unit for feedback of ACK/NACK information, thus feedback overhead of HARQ feedback is reduced, data amount of HARQ-transmitter error retransmission is significantly reduced and efficiency of error retransmission is improved. In addition, the present disclosure further provides an HARQ retransmission method.

JP5074594	Multiply network coding
WO/2018/135867	BEAM CONTROL METHOD FOR DIRECT COMMUNICATION BETWEEN TERMINALS IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR
WO/2022/051738	HARQ FEEDBACK FOR DOWNLINK DATA TRANSMISSIONS

SU DI (CN)
YU BIN (CN)
QIAN CHEN (CN)
XIONG QI (CN)
ZHANG YINGJIE (CN)
FU JINGXING (CN)

PCT/KR2017/013421

May 31, 2018

November 23, 2017

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SAMSUNG ELECTRONICS CO LTD (KR)

H04L1/18; H04L1/16

WO2016003229A1

2016-01-07

US20120002657A1	2012-01-05
US20160226643A1	2016-08-04
US20160233999A1	2016-08-11

"HARQ Enhancement for Improved Data Channel Efficiency", RI-162797, 3GPP TSG RAN WG1 MEETING #84BIS, 2 April 2016 (2016-04-02), Busan, Korea, XP051080366

LEE, Keon-Joo et al. (KR)

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