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An error tolerance method for offline calling user in digital cluster system

A digital trunking system and user technology, which is applied in the field of fault tolerance for off-network speaking users, can solve problems such as occupying the right to speak and not being able to speak in time, and achieve the effects of saving system resources and improving call efficiency

Inactive Publication Date: 2008-01-16
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0008] The invention provides a fault-tolerant method for offline speaking users in a digital trunking system, which solves the problem that when a speaking user is abnormally offline, he always occupies the speaking right, which directly causes other users to be unable to speak in time when the abnormality occurs

Method used

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  • An error tolerance method for offline calling user in digital cluster system
  • An error tolerance method for offline calling user in digital cluster system
  • An error tolerance method for offline calling user in digital cluster system

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Embodiment Construction

[0034] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] Fig. 1 is the fault-tolerant network structure diagram of the users who support off-network speech applied by the present invention, and each component is described as follows:

[0036] (1) MS: trunking terminal, a terminal device that can support trunking services such as storing user information, group information, scheduling area judgment, and responding to traditional group paging.

[0037] (2) BSS: Base station subsystem, including a transceiver (BTS) supporting trunking calls, a base station controller (BSC) and a dispatch client (PDC) interacting with the network side.

[0038] (3) PDS: trunking dispatching server, realizing call control and talk right management of trunking calls;

[0039] Fig. 2 is timer state change figure among the present invention, and the steps that comprise are as follows:

[0040] Step 201, after the PDS receives the ...

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Abstract

The invention provides a fault tolerance system in a digital trucking communication system aimed at network-off user and is used in trucking communication field. The inventive technical proposal includes: a BSC (Base Station Controller) sends a detected user voice state to a PDS (PTT Dispatch Server) via a reverse voice frame detection module at the BSC side, or the BSC performs no process if a user voice state isn't detected; a user abnormal network-off detection module at the PDS side resets the user network-off detection timer if the user voice state from the BSC is received; otherwise, the used is determined to be abnormal network-off, and the PDS recovers communication right and release the user. The invention solves the problem that other users cannot perform communication when a user always occupies communication right during network-off state, thereby saving system resource and improving communication efficiency.

Description

technical field [0001] The invention relates to the field of trunking communication, in particular to a fault-tolerant method for off-network speaking users in a digital trunking system. Background technique [0002] Trunking, that is, using multiple wireless channels to serve many users, is to apply the working method of wired telephone trunk lines to the radio communication system, and dynamically, automatically, quickly and optimally allocate limited channels to All users of the entire system, so as to utilize the frequency resources of the channels of the entire system to the greatest extent. It uses switching technology and computer technology to provide a strong grouping capability for all users of the system. It can be said that the trunking mobile communication system is a special user program-controlled exchange. [0003] Trunking mobile communication is a more flexible mobile communication system developed in the 1970s. It is an advanced development stage of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/28H04W4/10
Inventor 朱先正唐鹏程刘宓
Owner ZTE CORP
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