Wireless network end office and call switching method

A wireless network and call connection technology, applied in network topology, wireless communication, network flow/resource management, etc., can solve problems such as faults and easy-to-emerge services, and achieve the effect of saving voice channel resources and effectively utilizing MGW resources

Active Publication Date: 2009-01-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a wireless network end office and a call connection method to solve the problem in the prior art that a BSC is prone to service failure when it is only connected to one MGW

Method used

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  • Wireless network end office and call switching method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiment 1: The calling party and the called party are in the same BSC of the same exchange:

[0048] In the MSC Server1 office, if the calling party and the called party are all in BSC1, because MGW1, MGW2 and MGW3 are their common MGWs, if the above method 1 is used, the common MGW is preferred, and the three MGWs all meet the conditions. Therefore, in The three MGWs are handled in a burden manner; if the resource load of MGW2 (MGW resources refer to Termination (endpoint) and Context (association)) is the smallest, then MGW2 is selected.

[0049] If the above method 2 is used, that is, the principle of load sharing is higher than the principle of prioritizing common MGWs, check the three MGWs first, and select the MGW with the smallest load to carry the call connection; if the MGWs with the smallest load have the same The smallest and the same, it is preferred to select the common MGW; if there are multiple common MGWs at this time, select one of the MGWs sequentia...

Embodiment 2

[0050] Embodiment 2: The calling party and the called party are in different BSCs of the same exchange:

[0051] If the calling party is at BSC1, and the called party is at BSC2, as shown in the figure, because there are two common MGWs for the calling party and the called party, namely MGW2 and MGW3; if method 1 is adopted and the common MGW is preferred, then both MGWs meet the conditions; Therefore, a load method is adopted between the two MGWs, and if the resource load of MGW2 is the smallest, MGW2 is selected.

[0052] If the above method 2 is adopted, that is, the principle of load sharing is higher than the principle of prioritizing common MGWs, then compare the current loads of the three MGWs (MGW1, MGW2, and MGW3) connected to the BSC1 where the calling party is located, and find out the MGW with the smallest load. Assume that it is MGW2; then compare the current loads of the two MGWs (MGW2 and MGW3) connected to the BSC2 where the called party is located, and find ou...

Embodiment 3

[0054] Embodiment 3: The calling party is in BSC1 of MSC Server1, and the called party is in BSC3 of MSC Server2:

[0055] This is an example of an inter-office call. Strictly speaking, since the calling party and the called party are not in the same exchange, there is no common MGW between them; but for an inter-office call, since there are outgoing and incoming MGWs, If the BSC to which the calling party or called party belongs is connected to the outgoing / incoming MGW, the outgoing / incoming MGW can be regarded as the common MGW. exist figure 1 In , it can be considered that MGW2 and MGW5 are common MGWs for both the calling party and the called party.

[0056] If method 1 of the present invention is adopted, that is, the principle of prioritizing common MGWs, MGW2 will be preferred for the calling side; MGW5 will be preferred for the called side; MGW4 will be considered only when MGW5 has no resources, and then to BSC3 via MGW6 path of.

[0057] If method 2 provided by t...

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Abstract

The invention relates to a wireless network terminal junction, which comprises an exchange junction and a base station subsystem, wherein each exchange junction comprises at least one mobile exchange center server (MSC Server) and several media gateways (MGW); the base station subsystem comprises several base station controllers (BSC); said BSC is connected to one or more MGW of one exchange junction; said MGW is connected to one or more BSC. The invention also discloses a method for using the wireless network terminal junction to select the MGW connected to the calling BSC to process call connect load with the MGW connected to the called one, which comprises: random select method, cycle select method, percentage select method, or a method that both selecting connected MGW and selecting MGW based on load share rule as the call connect load. The invention can avoid MGW accidence to cause BSC service accidence, to balance load between MGW, to effectively use MGW resource.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a wireless network end office and a call connection method in a 3G WCDMA (Wideband Code Division Multiple Access) / CDMA2000 (Code Division Multiple Access 2000) mobile communication system. Background technique [0002] In the 3G WCDMA / CDMA2000 mobile communication system, the entire network system can be divided into Network Subsystem (NSS), Base Station Subsystem (BSS), Mobile Station (MS) and Operation and Maintenance System (OSS). [0003] The network subsystem mainly includes Mobile Switching Center (MSC), Visitor Location Register (VLR), Home Location Register (HLR), Authentication Center (AC), and Mobile Equipment Identification Register (EIR). [0004] The mobile switching center MSC mainly provides the switching function. In the evolution to the IP network, the mobile switching center MSC can adopt a soft-switch (Soft-Switch) architecture to provide the switching fun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/22H04M3/00H04W28/08H04W84/04H04W92/14
CPCH04W84/042H04W28/08H04W92/14
Inventor 黄朝意
Owner HUAWEI TECH CO LTD
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