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Title:
USER TERMINAL AND WIRELESS COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/199984
Kind Code:
A1
Abstract:
The present invention prevents recognition mismatch of a redundancy version value between a wireless base station and a user terminal when asynchronous retransmission control is performed. A user terminal according to an embodiment of the present invention is provided with a transmission unit which transmits uplink (UL) data, and a control unit which controls transmission of the UL data on the basis of retransmission control information from the wireless base station. The user terminal is characterized in that the control unit determines, in accordance with a predetermined rule, the value of a redundancy version (RV) applied to the UL data that is transmitted with the same HARQ process number (HPN), and in that the transmission unit transmits RV information indicating the value of the RV together with the UL data.

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Inventors:
HARADA HIROKI (JP)
NAGATA SATOSHI (JP)
JIANG YU (CN)
LIU LIU (CN)
Application Number:
PCT/JP2017/018450
Publication Date:
November 23, 2017
Filing Date:
May 17, 2017
Export Citation:
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Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W28/04
Domestic Patent References:
WO2006016457A12006-02-16
Other References:
NTT DOCOMO: "Discussion on UL scheduling design for eLAA", 3GPP TSG-RAN WG1#85 R1-165186, 14 May 2016 (2016-05-14), XP051089819, Retrieved from the Internet
NOKIA ET AL.: "eLAA UL scheduling / UL grant details", 3GPP TSG-RAN WG1#85 RL-164941, 13 May 2016 (2016-05-13), XP051096812, Retrieved from the Internet
ZTE CORPORATION: "Discussion on DTX and HARQ", 3GPP TSG-RAN WG2#94 R2-163861, 13 May 2016 (2016-05-13), XP051095655, Retrieved from the Internet
Attorney, Agent or Firm:
AOKI, Hiroyoshi et al. (JP)
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