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Method for establishing and removing interoffice local exchanging and mobile exchanging center

A mobile switching center and local switching technology, applied in the field of communications, can solve problems such as occupation and inability to use local switching, and achieve the effect of removing continuity and reducing occupation

Active Publication Date: 2012-01-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In the prior art, only the intra-office (that is, the caller and the called are controlled by the same mobile switching center MSC) establishment and release of the local exchange scheme is defined, but there is no inter-office (that is, the caller and the called are controlled by different MSCs) to establish and release the local exchange. Switching solution, which will lead to the inability to use local switching for calls across MSCs but calling and called parties in the same BSC in scenarios such as MSC Pool, forwarding, and roaming, resulting in a large occupation of the A interface and Abis interface of wired resources

Method used

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  • Method for establishing and removing interoffice local exchanging and mobile exchanging center
  • Method for establishing and removing interoffice local exchanging and mobile exchanging center
  • Method for establishing and removing interoffice local exchanging and mobile exchanging center

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The embodiment of the present invention provides a method for establishing local switching between offices, such as figure 2 shown, including:

[0039] S101, determine whether the base station controller BSC in the second base station subsystem BSS and the BSC where the second mobile terminal is located are the same BSC, and if so, instruct the second BSS to establish local switching for the first mobile terminal and the second mobile terminal.

[0040] Wherein, the second BSS is a target BSS to which the first mobile terminal performs handover.

[0041] When the first MSC where the first mobile terminal is located instructs the second BSS to establish local switching for the first mobile terminal and the second mobile terminal, the method also includes: the first MSC instructs the second BSS to prepare a radio bearer for the first mobile terminal.

[0042] Before determining whether the BSC in the second BSS and the BSC where the second mobile terminal is located are...

Embodiment 2

[0093] This embodiment provides a method for releasing local switching between offices, such as Figure 4 shown, including:

[0094] S201. Establish a bearer on the A port related to the third mobile terminal;

[0095] During the conversation between the third mobile terminal and the fourth mobile terminal through local exchange, when the third mobile terminal is to switch from the fourth BSS to the third BSS, the third MSC instructs the third gateway and the third BSS to be the third gateway. The mobile terminal establishes the A port bearer;

[0096] After step S201, the method further includes: the third MSC instructs the third BSS to prepare a radio bearer for the third mobile terminal.

[0097]S202. Send an interoffice message to the fourth mobile switching center MSC where the fourth mobile terminal is located, so that the fourth MSC judges that the base station controller BSC in the third BSS is not the same BSC as the BSC where the fourth mobile terminal is located. ...

Embodiment 3

[0131] This embodiment provides a mobile switching center, such as Figure 6 As shown, it includes: a judging module 10 , an indicating module 20 and a sending module 30 .

[0132] The judging module 10 is configured to judge whether the BSC in the second BSS and the BSC where the second mobile terminal is located are the same BSC, wherein the second BSS is a target BSS for the first mobile terminal to perform handover.

[0133] The instruction module 20 is configured to instruct the second BSS to establish local switching for the first mobile terminal and the second mobile terminal when the BSC in the second BSS is the same as the BSC where the second mobile terminal is located.

[0134] The sending module 30 is configured to send an interoffice message to the peer MSC where the second mobile terminal is located, so that the peer MSC judges that local switching has been established and instructs the second gateway and the target BSS to release the A message established for th...

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Abstract

The invention discloses a method for establishing and removing interoffice local exchanging and a mobile exchanging center. The method for establishing and removing interoffice local exchanging includes the following steps: whether a BSC in a second BSS and the BSC of a second mobile terminal are the same is judged, wherein the second BSS is the target BSS on which a first mobile terminal executes switching; if the BSC in the second BSS and the BSC of the second mobile terminal are the same, the second BSS is instructed to establish local exchanging for the first mobile terminal and the second mobile terminal; interface-A load bearing relevant to the first mobile terminal is released; interoffice message is sent to a second MSC of the second mobile terminal, so as to lead the second MSC to judge that the local exchanging is established and instruct a second gateway and the target BSS to be released into the interface-A load bearing established by the second mobile terminal. The methodfor establishing interoffice local exchanging can reduce occupation on an interface A.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method for establishing local switching between offices, a method for releasing local switching between offices and a mobile switching center. Background technique [0002] The transmission network is an important part of the wireless communication network. Currently, in many countries and regions, due to the bottleneck of transmission resources connecting the radio access network and the core network, operators' deployment, operation and service development of wireless networks are affected. [0003] In this regard, operators generally use microwave, satellite or leased ground transmission lines. A reasonable solution can help operators reduce the occupation of transmission network bandwidth and effectively reduce network construction and operation costs. Local switching is an effective way to reduce the occupation of transmission resources. For a session where the cal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/02H04W76/06H04W92/14
CPCH04L12/66H04W76/06H04W76/02H04W88/12H04W36/08H04W92/24H04W88/14H04W76/10H04W76/30
Inventor 王宝义
Owner HUAWEI TECH CO LTD
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