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Wireless connection control method, distributed unit, centralized unit, and base station system

專利號(hào)
US11160124B2
公開(kāi)日期
2021-10-26
申請(qǐng)人
HUAWEI TECHNOLOGIES CO., LTD.（CN Shenzhen）
發(fā)明人
Rui Wang; Mingzeng Dai; Xudong Yang; Hongzhuo Zhang
IPC分類
H04W4/00; H04W76/11; H04W76/27; H04W72/00; H04W74/08
技術(shù)領(lǐng)域
bearer,unit,terminal,message,identifier,signaling,plane,rrc,in,connection
地域： Guangdong

摘要

This application provides a wireless connection control method relating to a base station system including a centralized unit and a distributed unit, wherein the centralized unit communicates with the distributed unit, and the distributed unit communicates with a terminal through an air interface. The method includes: first receiving, by the distributed unit, a first message sent by the terminal, where the first message is used to request to establish an air interface control plane connection for the terminal; then sending, by the distributed unit, the first message to the centralized unit; and then receiving, by the distributed unit, a second message sent by the centralized unit, where the second message is used to instruct to establish the air interface control plane connection between the terminal and the distributed unit. The method may implement wireless connection control in a 5G system when functions of a base station are separated.

說(shuō)明書

send a fifth message to the centralized unit, where the fifth message includes at least one of the following information: a cell identifier, a second signaling bearer identifier, and second signaling bearer user plane transmission path establishment information on the distributed unit side.

Further, the sending module 1103 is specifically configured to:

send the first message to the centralized unit through a user plane transmission path corresponding to the second signaling bearer user plane transmission path establishment information on the centralized unit side.

The sending module 1103 carries the cell identifier and/or the second terminal identifier into the first message when sending the first message to the centralized unit.

Further, the receiving module 1101 is specifically configured to:

receive, through a user plane transmission path corresponding to the second signaling bearer user plane transmission path establishment information on the distributed unit side, the second message sent by the centralized unit.

The receiving module 1101 receives the cell identifier and/or the third terminal identifier that are/is included in the second message sent by the centralized unit.

FIG. 12 is a modular structural diagram of an embodiment of another distributed unit according to this application. As shown in FIG. 11, the distributed unit includes a receiving module 1201, a processing module 1202, and a sending module 1203.

權(quán)利要求

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