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Title:
DUAL CONNECTIVITY-BASED HANDOVER METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/192150
Kind Code:
A1
Abstract:
The present disclosure provides a dual connectivity-based handover method. The method includes: assisting a user equipment, by a source base station, to enter a dual connectivity state, the user equipment in the dual connectivity state simultaneously connecting to the source base station and a target base station, with the source base station serving as a master node and the target base station serving as a secondary node; and assisting the user equipment, by the source base station, to switch from the dual connectivity state to a single connectivity state of only connecting to the target base station, which may be initiated when a communication fault occurs between the source base station and the user equipment. The present disclosure also provides a dual connectivity-based handover apparatus. With this method, the present disclosure may reduce the possibility of Ping-Pong effect, the complexity of the handover process and the signaling overhead.

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Inventors:
LUO YAMING (CN)
CHEN XIANG (CN)
CHIU EDDY (CN)
Application Number:
PCT/CN2018/107024
Publication Date:
October 10, 2019
Filing Date:
September 21, 2018
Export Citation:
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Assignee:
HUIZHOU TCL MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04W36/18; H04W36/28; H04W36/30
Foreign References:
US20160242226A12016-08-18
CN105472667A2016-04-06
US20160095004A12016-03-31
CN105519167A2016-04-20
CN105103593A2015-11-25
Other References:
HUAWEI.: "Fast retransmission of lost PDUs", R3-172202, 3GPP TSG RAN WG3 MEETING #NR ADHOC, 29 June 2017 (2017-06-29), XP051302148
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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