Method and system for switching double-transmission mode in mobile telecommunication network

A mobile communication network, dual-transmission mode technology, applied in the field of handover technology, can solve problems affecting service quality of service, handover request failure, service interruption, etc., and achieve the effect of improving service quality, avoiding service interruption, and reducing influence.

Active Publication Date: 2007-06-20
XFUSION DIGITAL TECH CO LTD
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  • Claims
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Problems solved by technology

[0008] In practical applications, the above solution has the following problems: the terminal in DTM mode is prone to failure or service interruption during the switching process, which affects the service quality of the business
[0009] The main reason for this situation is that, in the prior art, when a terminal in DTM mode performs cell handover, it needs to perform handover requests for CS domain and PS domain services separately, since the two parties have no mutual commun

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  • Method and system for switching double-transmission mode in mobile telecommunication network
  • Method and system for switching double-transmission mode in mobile telecommunication network
  • Method and system for switching double-transmission mode in mobile telecommunication network

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[0034] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0035] The core of the present invention is that when a terminal in DTM mode performs DTM handover, the source BSS to which it belongs no longer performs switching between the CS domain and the PS domain through the source MSC and source SGSN, but passes through the source MSC or source SGSN. The first one is to conduct joint handover between the CS domain and the PS domain in a negotiated manner, and notify the source BSS to perform the handover when the CS domain and the PS domain have completed the handover preparation. In other words, the switching process of one switching domain in the CS domain and the PS domain is used to lead the switching of the other switching domain, so as to realize the joint switching of the CS domain and the PS domain, and when the CS...

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Abstract

The invention is used to reduce the influence to the service when making DTM switch. In the invention, when making DTM switch, source BSS submits request for simultaneously making switch at PS domain and CS domain only to CS domain or PS domain; using the negotiation between CS domain and PS domain to implement the joint switch of two domains. The source BBS sends DTM switch request only to one core network, and the destination BBS receives the DTM switch request only from one core network so as to greatly reduce the quantity of signaling interaction.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to handover technology. Background technique [0002] The Global System of Mobile communication (GSM for short) is currently the largest digital cellular communication system and belongs to the second-generation mobile communication system. [0003] The General Packet Radio Service ("GPRS") network is a new generation cellular mobile communication network based on the GSM network. In order to support the GPRS function, some nodes are added in the existing GSM network, such as Gateway GPRS Support Node (Gateway GPRSSupport Node, referred to as "GGSN"), Serving GPRS Support Node (Serving GPRS SupportNode, referred to as "SGSN"), they all belong to GPRS support node (GPRS Support Node, referred to as "GSN"). [0004] The connection between the main network entities in the GPRS network is shown in Figure 1. The SGSN is connected to the Mobile Switching Center / Visit Location Registe...

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Application Information

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IPC IPC(8): H04Q7/38H04L12/56H04W36/14H04W36/12H04W88/06
Inventor 胡宁赵刚耿风华
Owner XFUSION DIGITAL TECH CO LTD
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