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Patent Searching and Data


Title:
USER EQUIPMENT AND WIRELESS COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/087360
Kind Code:
A1
Abstract:
For appropriately controlling the communication operation in a secondary cell even when a beam failure and/or a BR failure occurs in the secondary cell, user equipment according to an aspect of the present disclosure comprises: a control unit that on the basis of a result of a beam failure and/or a beam recovery (BR) in a predetermined secondary cell, controls the adjustment of a deactivation timer for the predetermined secondary cell and/or controls the notification of the beam failure and/or a BR failure in the predetermined secondary cell; and a transmission unit that transmits information related to the beam failure and/or the BR failure in the predetermined secondary cell by use of another cell.

Inventors:
HARADA HIROKI (JP)
NAGATA SATOSHI (JP)
WANG JING (CN)
LIU LIU (CN)
Application Number:
PCT/JP2017/039783
Publication Date:
May 09, 2019
Filing Date:
November 02, 2017
Export Citation:
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Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W16/28; H04B7/06; H04W72/04
Other References:
HUAWEI ET AL.: "RLF for NR", 3GPP TSG-RAN WG2 #99BIS R2-1710560, 29 September 2017 (2017-09-29), XP051342598, Retrieved from the Internet
KYOCERA ET AL.: "S-RLF indication from MeNB to SeN B", 3GPP TSG-RAN WG2#88 R2-145287, 20 November 2014 (2014-11-20), XP050900507, Retrieved from the Internet
SAMSUNG: "NR RLM and RLF procedure", 3GPP TSG-RAN WG2 MEETING #99BIS R2-1711414, 28 September 2017 (2017-09-28), XP051343399, Retrieved from the Internet
NTT DOCOMO; INC: "Discussion on NR RLM and RLF", 3GPP TSG RAN WG1 MEETING NR AH#3 R1-1716076, 12 September 2017 (2017-09-12), XP051329735, Retrieved from the Internet
NTT DOCOMO: "Views on beam recovery", 3GPP TSG RAN WG1 MEETING NR#3 RL-1716083, 12 September 2017 (2017-09-12), XP051329742, Retrieved from the Internet
[RAN WG1] ERICSSON: "Discussion on S-RLF", 3GPP TSG-RAN WG2 MEETING #99 R2-1709658, 12 August 2017 (2017-08-12), XP051285433, Retrieved from the Internet
NOKIA ET AL.: "Further considerations on UE measurements upon S-RLF", 3GPP TSG-RAN WG2 #99 R2-1709246, 12 August 2017 (2017-08-12), XP051319010, Retrieved from the Internet
HUAWEI ET AL.: "CA Activation-Deactivation in NR", 3GPP TSG-RAN WG2 MEETING #98 R2-1704866, 6 May 2017 (2017-05-06), XP051264607, Retrieved from the Internet
"Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall Description; Stage 2 (Release 8", 3GPP TS36.300, April 2010 (2010-04-01)
See also references of EP 3706455A4
Attorney, Agent or Firm:
AOKI, Hiroyoshi et al. (JP)
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