Title:
METHOD FOR ADDING SECONDARY CELL GROUP, AND ACCESS NETWORK DEVICE AND TERMINAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/159862
Kind Code:
A1
Abstract:
Provided are a method for adding a secondary cell group (SCG), and an access network device and a terminal device. The method comprises: an access network device determining, from alternative secondary cell groups, a cell group to be added which supports dual connectivity (DC) with a cell in which a terminal device is currently located, wherein the cell group to be added comprises at least one cell, and in the cell group to be added, when it is determined that the cell group to be added is in dual connectivity with the cell in which the terminal device is currently located, a cell of the terminal device that supports carrier aggregation (CA) and/or supports multiple-input multiple-output (MIMO) capability is a target secondary cell group (SCG); and sending a first configuration message to the terminal device, wherein the first configuration message is used for indicating that the terminal device measures the target SCG in the cell in which the terminal device is currently located. Therefore, an access network device ensures that a terminal device supports dual connectivity capability when an SCG is added, noGAP measurement can be used, and backoff redundancy is not caused.
Inventors:
WANG ZHOU (CN)
WANG JIAN (CN)
LIU HAIYI (CN)
JIN LE (CN)
WANG JIAN (CN)
LIU HAIYI (CN)
JIN LE (CN)
Application Number:
PCT/CN2020/138625
Publication Date:
August 19, 2021
Filing Date:
December 23, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04W76/15
Domestic Patent References:
| WO2019097470A1 | 2019-05-23 |
Foreign References:
| CN103906147A | 2014-07-02 | |||
| CN110036667A | 2019-07-19 | |||
| CN110771254A | 2020-02-07 | |||
| CN106332114A | 2017-01-11 | |||
| US20190069205A1 | 2019-02-28 |
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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