Title:
USER TERMINAL, WIRELESS BASE STATION, AND WIRELESS COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/026548
Kind Code:
A1
Abstract:
The present invention can appropriately receive delivery confirmation information for an uplink data signal when a use band is restricted to a frequency block that is one portion of a system band. The user terminal according to one embodiment has a use band that is restricted to a frequency block that is one portion of a system band. The user terminal is provided with: a reception unit that, via a downlink control channel that is transmitted using a starting subframe of a prescribed cycle, receives delivery confirmation information that corresponds to an uplink data channel; and a control unit that, on the basis of the delivery confirmation information, controls retransmission of the uplink data channel. Feedback timing for the delivery confirmation information is adjusted on the basis of the starting subframe.
Inventors:
TAKEDA KAZUAKI (JP)
JIANG HUILING (CN)
LIU LIU (CN)
MU QIN (CN)
JIANG HUILING (CN)
LIU LIU (CN)
MU QIN (CN)
Application Number:
PCT/JP2016/073774
Publication Date:
February 16, 2017
Filing Date:
August 12, 2016
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W72/04; H04W28/04
Other References:
SAMSUNG: "DL/UL HARQ timing for low cost MTC UEs in enhanced coverage", 3GPP TSG-RAN WG1#81 R1- 152846, 15 May 2015 (2015-05-15), XP050970459, Retrieved from the Internet [retrieved on 20160825]
NOKIA NETWORKS: "M-SIB1 analysis for Low cost MTC", 3GPP TSG-RAN WG2#89BIS R2-151141, 10 April 2015 (2015-04-10), XP050952926, Retrieved from the Internet [retrieved on 20160825]
RAN WG2: "LS on system information broadcast, mobility support, and random access for Rel-13 LC/CE Ues", 3GPP TSG-RAN WG2#90 R2-152934, 25 June 2015 (2015-06-25), XP050986288, Retrieved from the Internet [retrieved on 20160825]
ZTE: "Detailed design on M-PDCCH for MTC enhancement", 3GPP TSG-RAN WG1#81 R1-152956, 15 May 2015 (2015-05-15), XP050969465, Retrieved from the Internet [retrieved on 20160825]
HUAWEI ET AL.: "Considerations on blind decoding for MTC UEs", 3GPP TSG-RAN WG1#81 R1- 152447, 16 May 2015 (2015-05-16), XP050970887, Retrieved from the Internet [retrieved on 20160825]
HUAWEI ET AL.: "Configuring combinations of repetition level and aggregation level", 3GPP TSG-RAN WG1#81 R1-152448, 16 May 2015 (2015-05-16), XP050970888, Retrieved from the Internet [retrieved on 20160825]
NTT DOCOMO: "Views on UL HARQ feedback for Rel- 13 low complexity MTC", 3GPP TSG-RAN WG1#82 R1- 154529, 14 August 2015 (2015-08-14), XP050993279, Retrieved from the Internet [retrieved on 20160825]
NOKIA NETWORKS: "M-SIB1 analysis for Low cost MTC", 3GPP TSG-RAN WG2#89BIS R2-151141, 10 April 2015 (2015-04-10), XP050952926, Retrieved from the Internet
RAN WG2: "LS on system information broadcast, mobility support, and random access for Rel-13 LC/CE Ues", 3GPP TSG-RAN WG2#90 R2-152934, 25 June 2015 (2015-06-25), XP050986288, Retrieved from the Internet
ZTE: "Detailed design on M-PDCCH for MTC enhancement", 3GPP TSG-RAN WG1#81 R1-152956, 15 May 2015 (2015-05-15), XP050969465, Retrieved from the Internet
HUAWEI ET AL.: "Considerations on blind decoding for MTC UEs", 3GPP TSG-RAN WG1#81 R1- 152447, 16 May 2015 (2015-05-16), XP050970887, Retrieved from the Internet
HUAWEI ET AL.: "Configuring combinations of repetition level and aggregation level", 3GPP TSG-RAN WG1#81 R1-152448, 16 May 2015 (2015-05-16), XP050970888, Retrieved from the Internet
NTT DOCOMO: "Views on UL HARQ feedback for Rel- 13 low complexity MTC", 3GPP TSG-RAN WG1#82 R1- 154529, 14 August 2015 (2015-08-14), XP050993279, Retrieved from the Internet
Attorney, Agent or Firm:
AOKI, Hiroyoshi et al. (JP)
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