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Movement control method for terminal in RRC idel state, terminal and base station

An idle state, terminal technology, applied in the communication field, can solve the problems of a large amount of signaling overhead, the TAU mechanism does not meet the delay requirements, etc., and achieve the effect of reducing the interruption delay.

Active Publication Date: 2017-03-08
HYTERA COMM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. During the cell switching process of the terminal, its group call service is interrupted and the interruption time reaches 1-2s; the communication standard stipulates that the switching service interruption delay should be within 50ms, and the TAU mechanism does not meet the delay requirement
[0005] 2. Since most terminals are usually in the RRC idle state in the group call service, when a large number of terminals are on the edge of cell handover at the same time, a large amount of signaling overhead will be generated

Method used

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  • Movement control method for terminal in RRC idel state, terminal and base station
  • Movement control method for terminal in RRC idel state, terminal and base station
  • Movement control method for terminal in RRC idel state, terminal and base station

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Embodiment 1

[0068] see figure 1 , which shows a flow chart of Embodiment 1 of the mobile control method on the terminal side of the present invention, the method may include:

[0069] S101. The terminal sends a signal measurement result of a neighboring cell to the home base station of the cell where it resides, so that the home base station of the cell where it resides selects a neighboring cell as a target cell according to the signal measurement result of the neighboring cell, and notifies the target cell through the core network Configure group information.

[0070] The technical solution of the present invention is mainly used in broadband trunking systems, where the terminals can be devices supporting group call services such as walkie-talkies and smart phones; in the application of the technical solution of the present invention, the terminals enter the group call service and are in the RRC idle state device of.

[0071] When the user uses the terminal, he can initiate a group ca...

Embodiment 2

[0078] When there are many members in the group, it is easy to generate a large amount of signaling overhead when multiple terminals in the RRC idle state move to other cells at the same time. In order to reduce the interruption delay and reduce the signaling overhead, the present invention also provides Another technical solution is provided, which will be explained below.

[0079] see figure 2 , which shows a flow chart of Embodiment 2 of the mobile control method on the terminal side of the present invention, the method may include:

[0080] S201. The terminal sends a signal measurement result of a neighboring cell to the home base station of the cell where it resides, so that the home base station of the cell where it resides selects a neighboring cell as a target cell according to the signal measurement result of the neighboring cell, and notifies the target cell through the core network Configure group information with other cells in the tracking area to which the targ...

Embodiment 3

[0092] see Figure 4 , which shows a flow chart of Embodiment 1 of the mobile control method on the base station side of the present invention, the method may include:

[0093] S401. Acquire a signal measurement result of a neighboring cell measured by a terminal.

[0094] During specific implementation, the base station may obtain the signal measurement result of the neighboring cell in the following two ways. The first way is: receive the RRC signaling sent by the terminal, and extract the neighbor cell signal measurement result from the RRC signaling; the second way is: send the query signaling to the terminal, and obtain the neighbor cell signal measurement result reported by the terminal .

[0095] S402. Select a neighboring cell as a target cell according to the signal measurement result of the neighboring cell, and notify the configuration group information of the target cell through the core network.

[0096] In practical applications, the neighbor cell signal measu...

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Abstract

Disclosed are a movement control method for a terminal in an RRC idle state, a terminal and a base station. The method is applied to a terminal side and comprises: a terminal sends a neighbor cell signal measurement result to a base station to which a camp-on cell belongs, so that the base station to which the camp-on cell belongs selects a neighbor cell as a target cell according to the neighbor cell signal measurement result, and informs the target cell of configuration of group information by means of a core network; the terminal receives a switching indication carrying a target cell identifier from the base station to which the camp-on cell belongs, and switches to the target cell according to the switching indication; and the terminal receives cluster group call signaling and group call radio resource configuration signaling that are sent by a base station to which the target cell belongs, and configures a group call service according to the cluster group call signaling and the group call radio resource configuration signaling. The technical solution of the present invention can reduce the interrupt latency of a group call service during movement of a terminal.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a mobile control method for a terminal in an RRC idle state in a broadband trunking system, a terminal and a base station. Background technique [0002] In the group call service of the broadband trunking system, under normal circumstances, the calling user is in the RRC (Radio Resource Control, radio resource control) connection state, and the other users are basically in the RRC idle state, and the users in the RRC idle state will be in different cells move. The existing technology is based on the TAU (Tracking Area Update, tracking area update) mechanism specified in the CCSA cluster standard to realize the mobility of the RRC idle state terminal. Initiate the RRC establishment process to the target cell. After the RRC connection is established, the base station of the target cell obtains the group context configuration information, and sends the group context ...

Claims

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Application Information

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IPC IPC(8): H04W4/08H04W36/30H04W48/10H04W76/04
CPCH04W4/08H04W48/10H04W24/10
Inventor 余庆祥
Owner HYTERA COMM CORP
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