Method and device of inter-cell switching

A technology of switching commands between cells, applied in the field of communication, can solve problems such as D2D communication interruption
CN103200634AActive Publication Date: 2013-07-10HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2013-07-10

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Abstract

The invention discloses a method, a device and a system of inter-cell switching and relates to the field of communications. The method, the device and the system of the inter-cell switching are used for solving the problem that device-to-device (D2D) communication is interrupted when user equipment carrying out the D2D communication is switched to an adjacent cell. The method includes the following steps: a first set of user equipment submits a measurement report to a source base station, and the measurement report is used for judging whether the first set of user equipment and a second set of user equipment which directly carry out D2D communication among the equipment at present can be switched to a target cell synchronously by the source base station; and when a switching command is received, the first set of user equipment is switched to the target cell from a source cell belonging to the source base station and continues to carry out D2D communication with the second set of user equipment. The method, the device and the system of the inter-cell switching are applicable to the field of communications and used for achieving the inter-cell switching of the D2D communication.
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Description

technical field

[0001] The present invention relates to the communication field, in particular to a method and device for handover between cells. Background technique

[0002] In a traditional cellular mobile communication network, the communication between UEs (User Equipment, user equipment) needs to be centrally controlled by the base station, and the base station schedules the wireless resources in the cell, and the user data sent by the UE passes through the base station to the core network. , and then send it to the base station where the target UE is located, and finally send the user data to the target UE through the base station where the target UE is located.

[0003] In a traditional cellular network, even when communicating between two very close UEs, user data needs to pass through the base station and the core network. However, with the rapid development of cellular networks, the network capacity in many areas is close to saturation. In order to reduce the lo...

Claims

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