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Patent Searching and Data


Title:
METHOD, TERMINAL DEVICE AND NETWORK DEVICE FOR BEAM FAILURE RECOVERY
Document Type and Number:
WIPO Patent Application WO/2019/154082
Kind Code:
A1
Abstract:
Provided in the present disclosure are a method, terminal device and network device for beam failure recovery, wherein the method for beam failure recovery comprises: acquiring resource configuration information, the resource configuration information being used for beam failure recovery of a secondary cell (SCell) or a bandwidth part (BWP); when it is detected that beam failure has occurred during beamforming on the SCell or the BWP, transmitting a beam failure request message to a network device at a corresponding resource location according to the resource configuration information; receiving feedback information for the beam failure request message transmitted by the network device at the corresponding resource location according to the resource configuration information; determining a beam for use in beam failure recovery after receiving the feedback information, and utilizing the determined beam to perform data reception or transmission.

Inventors:
WU YUMIN (CN)
SUN XIAODONG (CN)
Application Number:
CN2019/072798
Publication Date:
August 15, 2019
Filing Date:
January 23, 2019
Export Citation:
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Assignee:
VIVO MOBILE COMMUNICATION CO LTD (523860, CN)
International Classes:
H04L5/00
Other References:
HUAWEI ET AL.: "Non-contention Based Random Access for Beam Failure Recovery in CA", 3GPP TSG-RAN WG2#AH-1801, R2-1801049, 12 January 2018 (2018-01-12), Vancouver, Canada, XP051386545
HUAWEI ET AL: "Remaining Issure for Beam Failure Recovery", 3GPP TSG-RAN WG2 AD HOC, R2-1800632, 12 January 2018 (2018-01-12), Vancouver, Canada, XP051386264
CATT: "Summary on BFR Detection and Other BFR Issues", 3GPP TSG-RAN WG2 NR AD HOC 0118, R2-1801558, 27 January 2018 (2018-01-27), XP051387015
VIVO: "Discussion on the Impact on Beam Failure Recovery", 3GPP TSG-RAN WG2 NR AD HOC 1801, R2-1800895, 12 January 2018 (2018-01-12), XP051386419
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (100082, CN)
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