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Communication method and communications apparatus

專利號(hào)
US11997556B2
公開日期
2024-05-28
申請(qǐng)人
Huawei Technologies Co., Ltd.（CN Shenzhen）
發(fā)明人
Le Yan; Hongping Zhang; Qinghai Zeng; Tingting Geng; Shitong Yuan
IPC分類
H04W36/00; H04W36/08; H04W36/30
技術(shù)領(lǐng)域
handover,cell,target,terminal,device,quality,threshold,candidate,condition,network
地域： Shenzhen

摘要

This application provides a communication method and a communications apparatus. The method includes: receiving, by a terminal device, conditional handover configuration information from a first network device, where the first network device is a network device to which a serving cell belongs, and the serving cell is a cell that currently accessed by the terminal belongs; and determining, by the terminal device, a first target cell based on the conditional handover configuration information.

說(shuō)明書

870. After completing the RACH procedure with the second target cell, the terminal device sends an RRC reconfiguration complete message to the third network device to which the second target cell belongs.

It should be understood that, if the terminal device fails to perform random access to the second target cell (for example, the terminal device fails to perform contention-free RACH to the second target cell, the terminal device fails to perform contention-based RACH to the second target cell, or the terminal device fails to perform contention-free RACH or contention-based RACH to the second target cell), the terminal device may redetermine the first target cell based on the conditional handover configuration information. For a subsequent process, refer to the foregoing description, and details are not described herein again. In other words, step 870 is optional, and step 870 is performed only when the terminal device successfully performs random access to the second target cell.

Specifically, step 870 may be replaced with the following content: After the terminal device completes the RACH procedure to the target cell, the terminal device sends the RRC reconfiguration complete message to the network device to which the target cell belongs. In this case, the target cell may be the second target cell (corresponding to a case in which the terminal device successfully performs random access to the second target cell), or may be the first target cell (corresponding to a case in which the terminal device fails to perform random access to the second target cell). This embodiment of this application is not limited thereto.

Optionally, after sending the RRC reconfiguration complete message, the terminal device releases the conditional handover configuration information.

權(quán)利要求

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