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Method, system and equipment for selecting mobile switch center server

A mobile switching center and server technology, applied in the field of selecting mobile switching center servers, can solve problems such as difficult number balance and traffic balance, difficult MSC Server load dynamic balance, and difficult to ensure MSC Server traffic balance, etc. To achieve the effect of dynamic load balancing

Active Publication Date: 2011-01-12
CHINA MOBILE GROUP SHAIHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traffic volume algorithm of the A interface does not care about the number of MSs registered in the VLR by each MSC Server, and only selects the MSC Server according to the instantaneous traffic volume of the A interface. Although it can ensure instantaneous load balancing, it cannot guarantee the number of MSs registered in the VLR In addition, since the NNSF function node cannot predict the traffic volume that the MS may occupy when the MS chooses to serve the MSC Server, nor can it predict the possible occupation degree of the traffic volume of the MSC Server, the number of MSs registered in the VLR is unbalanced In this situation, it is difficult to ensure the traffic balance of each MSC Server
[0008] To sum up, when the existing NNSF algorithm is used to select the serving MSC Server for the MS entering the MSC Pool, it is difficult to ensure the balance of the number of MSs registered in the VLR and the balance of the traffic of each MSC Server in the MSC Pool. , and it is difficult to achieve dynamic load balancing of MSC Servers

Method used

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  • Method, system and equipment for selecting mobile switch center server
  • Method, system and equipment for selecting mobile switch center server
  • Method, system and equipment for selecting mobile switch center server

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0027] Such as figure 1 Shown is a schematic diagram of the steps of the method for selecting MSC Server in the first embodiment of the present invention, according to figure 1 As shown in, the implementation steps of Embodiment 1 of the present invention are as follows:

[0028] Step 101: The RAN node receives the service initialization request sent by the MS to be accessed.

[0029] There are multiple RAN nodes in the MSC Pool, and each RAN node has its own service area. When an MS needs to perform the service initialization process, it will determine which RAN node's service area it is in and send the initialization to the determined RAN node The business request requires the initialization process of the business.

[0030] The RAN nodes involved in each embodiment of the present invention can be different network elements in different network states. When the MS in the embodiment of the present invention accesses the GSM network, the RAN node that receives the initial service req...

Embodiment 2

[0054] In the second embodiment of the present invention, the solution of the first embodiment of the present invention is specifically described on the condition that the amount of resources is the number of MSs that are accessed.

[0055] Assumption: There are 2 MSC Servers in the MSC Pool, namely MSC_1 and MSC_2; there are 4 RAN nodes, namely BSC_1, BSC_2, BSC_3, and BSC_4; the resource amount of MSC Server is the number of connected MSs, and the capacity of MSC_1 is 20 The capacity of MSC_2 is 300,000; the service processing capacity of BSC can be obtained by weighting the number of Ireland supported by BSC, the CPU operation speed of BSC and the size of memory, and the data processing capacity is arranged in descending order: BSC_1, BSC_2 , BSC_3 and BSC_4, the number of access MSs mapped to BSC_1 from MSC_1 and MSC_2 is the largest, BSC_2 is the second, BSC_3 is the third and BSC_4 is the smallest, and the sum of the resources mapped from MSC_1 to BSC_1~BSC_4 is the resource...

Embodiment 3

[0069] Embodiment 3: The third embodiment of the present invention is based on the condition that "the amount of resources is the number of A interface circuits", and the solution of the first embodiment of the present invention is described in detail.

[0070] Similar to the second embodiment, the third embodiment also assumes that there are 2 MSC Servers in the MSC Pool, namely MSC_1 and MSC_2; there are 4 RAN nodes, namely BSC_1, BSC_2, BSC_3, and BSC_4; the resource amount of the MSC Server It is the number of A interface circuits between MSC Server and BSC, the number of A interface circuits of MSC_1 is 80, and the number of A interface circuits of MSC_2 is 100; the data processing capacity of BSC is arranged in descending order: BSC_1, BSC_2 BSC_3 and BSC_4, the number of A interface circuits of MSC_1 that can be accessed by BSC_1 is 35, the number of A interface circuits of MSC_1 that can be accessed by BSC_2 is 25, and the number of A interface circuits of MSC_1 that can b...

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Abstract

The invention discloses a method, a system and equipment for selecting a mobile switch center (MSC) server. Resources of the MSC Server are virtually mapped into at least one RAN node in an MSC Pool; the RAN node can calculate the parameter of remaining resources in the resources mapped to the RAN node by each MSC Server through the resources occupied by accessing the RAN node to the MSC Server according to the mapped resources and a mobile station (MS); and thus, when the RAN node selects the MSC Server with a larger parameter of remaining resources as the to-be-accessed MSC Server accessed by the MS, the parameter of remaining resources of each MSC Server in the MSC Pool is close to each other, so that the dynamic balance of a load is ensured.

Description

Technical field [0001] The present invention relates to the field of communications, in particular to a method, system and equipment for selecting a mobile switching center server. Background technique [0002] The mobile switching center resource pool (MSC Pool) is a new networking method that breaks a base station controller (BSC) / radio network controller (Radio Network Controller RNC) in the traditional network Only connect to one mobile switching center server (MSC Server). Connect one BSC / RNC to multiple serving MSC Servers. The resource pool composed of these multiple serving MSC Servers is provided for the connected BSC / RNC service. Compared with the traditional network, MSC Pool can bring advantages such as: wireless network can be shared, the load between network nodes is relatively balanced, and the signaling traffic of the C / D / E / G / Gr interface in the core network is reduced. Therefore, the establishment of MSC Pool networking architecture has become a hot topic of re...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04W48/20H04W88/08
Inventor 杜艳艳张思立
Owner CHINA MOBILE GROUP SHAIHAI
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