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Method and device for conditionally adding and changing cell

專利號(hào)
US11997545B2
公開(kāi)日期
2024-05-28
申請(qǐng)人
Samsung Electronics Co., Ltd.（KR）
發(fā)明人
June Hwang; Himke Van Der Velde; Beomsik Bae; Soenghun Kim
IPC分類
H04W36/00; H04W8/22
技術(shù)領(lǐng)域
sn,pscell,mn,message,rrc,scho,may,cell,terminal,candidate
地域： Gyeonggi-do

摘要

The present disclosure relates to a communication technique for merging IoT technology with a 5G communication system for supporting higher data transmission rates than 4G systems, and a system therefor. The present disclosure may be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail business, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. In addition, the present disclosure relates to a method for adding or changing a cell, and a device for performing same.

說(shuō)明書

The MN having received the T-SN modification request ack message may include updated T-SN candidate configuration information in an MN RRC reconfiguration message, and transfer same to a terminal (operation 12-20). The T-SN candidate configuration information may be included in the MN RRC reconfiguration message in a type of octet strings. When the terminal receives the information, performs a compliance check of the information, and a result of the check has no problem, the terminal may update configuration information of a candidate cell, which the terminal has, to information received in operation 12-20. In addition, the terminal transfers an MN RRC reconfiguration complete message to the MN (operation 12-25). When the MN receives the MN RRC reconfiguration complete message, the MN may transfer a T-SN modification confirm message implying sCHO configuration completion to the S-SN (operation 12-30).

In another embodiment of the disclosure, FIG. 13 is a diagram illustrating a procedure of performing an S-SN initiated T-SN modification when an MN transmits again, to an S-SN, configuration information of a candidate cell, which is received from a T-SN, and the S-SN makes a final SN RRC reconfiguration message and transmits same to the MN, as additional signals in FIG. 10. Messages and an operation order between each terminal and node correspond to those of FIG. 10 unless otherwise stated. This case corresponds to a case where, in a situation where a configuration and conditions for a particular sCHO candidate target cell are configured for a terminal in advance, when a configuration value related to the pre-configured candidate target cell is changed, an S-SN triggers the corresponding change.

權(quán)利要求

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