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Communication method and communications apparatus

專(zhuān)利號(hào)
US11997556B2
公開(kāi)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(lèi)
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(shū)

Optionally, in an implementation, the configuration information includes report-free indication information, and the report-free indication information is used to indicate the terminal device to directly perform random access to the first target cell after determining the first target cell that satisfies the trigger condition, with no need to send a measurement report to the first network device. Alternatively, in an implementation, the configuration information may not include the report-free indication information. In this case, in this embodiment of this application, it may be implicitly determined that the terminal device may not report the measurement report. For example, it is stipulated, according to a preset rule or a protocol, that after the receiving the configuration information sent by the first network device, the terminal device does not need to report the measurement report after a handover condition is triggered, but is handed over to the target cell that satisfies the trigger condition.

520. The terminal device performs random access to the target cell.

Specifically, after receiving the conditional handover configuration information (the second information), the terminal device determines whether the handover trigger condition is satisfied. In this period, the terminal device keeps transmitting data with the first network device. When the handover trigger condition is satisfied, the terminal device determines the target cell, and performs a random access process with the target cell, that is, initiates random access to a second network device corresponding to the target cell.

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