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Method for realizing roaming terminal group information updating for cluster system

A technology of group information and trunking system, applied in wireless communication, network data management, electrical components, etc., can solve the problem that terminals cannot be obtained immediately, affecting terminal trunking services, etc., and achieve the effect of ensuring timeliness and correctness

Active Publication Date: 2007-03-28
SHENZHEN ZTE TRUNKING TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then this means that when the terminal roams out, even if the information of the group where the terminal is located changes, the terminal will not be able to obtain this change immediately, which may affect various cluster services of the terminal

Method used

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  • Method for realizing roaming terminal group information updating for cluster system
  • Method for realizing roaming terminal group information updating for cluster system
  • Method for realizing roaming terminal group information updating for cluster system

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0033] There may be many cluster systems in the whole network as shown in Figure 1. It is impossible to configure mutual trust relationship between any two cluster systems in the whole network and connect with the operator IP network. Yes, so generally speaking, a specific cluster system only configures a mutual trust relationship with several specific cluster systems. When a cluster system needs to communicate with other cluster systems, sometimes it needs to use the transit of multiple intermediate cluster systems.

[0034] In this embodiment, the group information update is initiated by the roaming terminal. In order to realize the routing function, a routing table needs to be configured in each authentication server. Specifically, the penultimate 8th to 5th digits of the IMSI can be used as the user attribution identifier string, each user affiliation identifier string corresponds to a next-hop identifier, and each next-hop identifier corresponds to one or more authenticati...

no. 2 example

[0071] In this embodiment, the group information update is initiated by the home authentication server. In order to realize the routing function, a routing table needs to be configured in each authentication server. The corresponding relationship between the address of the next-hop authentication server, the roaming location can be identified by the domain name and office number of the roaming location, and the home location can be identified by the IMSI attribution identifier string or the domain name and office number of the home location. The process of updating group information is described in detail below, including the following steps:

[0072] Step 301, the attribution authentication server initiates an update of the group information on the terminal side when the group information of the terminal changes and the terminal location information determines that the terminal is in a normal active state;

[0073] The attribution authentication server can initiate a synchron...

Embodiment

[0083] The embodiment ratio has the following characteristics:

[0084] 1) The update data of the group information is sent directly by the home authentication server in several messages, and the roaming scheduling server is only responsible for relaying, and finally the terminal returns a response.

[0085] 2) Because the number of interactions is small, the authentication server of this embodiment does not record the authentication server address of the previous hop and the next hop when receiving the message, but directly routes according to the attribution and roaming identifiers in the message, At this time, there is no need to delete the corresponding record at the end.

[0086] 3) When the authentication server sends a message, it does not add a local domain identifier to the message and does not judge whether it is cyclically forwarded or not. The problem of cyclically forwarded due to configuration can be solved in advance by other means.

[0087] Obviously, the meth...

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PUM

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Abstract

The invention discloses an information updating method of the roaming terminal group in cluster system. When the apanage authentication server judges that whether the group information of roaming terminal group has changed and it is in normal active state. It will generate one or many group information to update the data which includes the terminal mark and the new group information; the apanage authentication server gets the information of the terminal roaming position and the routing information access to authentication server of the roaming position to transfer the data message to the scheduling server of the roaming position through the authentication server of the roaming position, then it is transferred to the roaming terminal by the scheduling server of the roaming position; the roaming terminal updates the group information by using new group information. The group information updating in the invention can be launched by the roaming terminal or the authentication server and transmitted further. The terminal can reverse the response to insure the safety and betimes of the information.

Description

technical field [0001] The invention relates to a trunking communication system, in particular to a method for a digital trunking communication system to update group information on a terminal in roaming condition. Background technique [0002] The trunking communication system was born in the 1970s. The earliest trunking communication was an analog system. The digital trunking technology emerged around the world in the mid-1990s, and a digital trunking network appeared in China in the late 1990s. The most important feature of trunking technology is the ability to schedule and group calls. The dispatching function of the trunking service refers to calling a certain number of terminals at the same time, allowing these terminals to participate in a call at the same time; the group calling function of the trunking service refers to calling a group number on a communication terminal, and all terminals in the group can be called Incoming a call at the same time, so as to achieve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/28H04W4/08H04W8/12H04W8/24H04W84/08
Inventor 李永奇周文瑜王杰
Owner SHENZHEN ZTE TRUNKING TECH CORP
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