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Method and system for modifying transmission bandwidth

A technology for transmission bandwidth and bandwidth, applied in transmission systems, digital transmission systems, and error prevention. It can solve the problems of user traffic adjustment failure, waste, and failure to modify transmission bandwidth, so as to avoid increased signaling overhead and transmission delay. , the effect of improving the success rate

Inactive Publication Date: 2007-03-21
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the bandwidth resource on the PATH where the user is located is insufficient, the modification of the transmission bandwidth will fail, and the user traffic adjustment will fail.
In addition, because the AAL2 Modify process can only modify the transmission bandwidth on the current PATH, even if there are sufficient bandwidth resources on other PATHs, the modification of the transmission bandwidth will fail, and the utilization rate of the transmission bandwidth is very low.
[0037] 3) The modification process of the transmission bandwidth is performed after the wireless resources are prepared. When the modification of the transmission bandwidth fails, the wireless resources are prepared but not used, resulting in waste, and due to the signaling interaction during the preparation of the wireless resources, the signaling is increased. interaction overhead

Method used

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  • Method and system for modifying transmission bandwidth
  • Method and system for modifying transmission bandwidth
  • Method and system for modifying transmission bandwidth

Examples

Experimental program
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Effect test

Embodiment 1

[0095] In this embodiment, judging whether the bandwidth resources of the current PATH meet the current required transmission bandwidth is performed before initiating the AAL2 Modify request.

[0096] Fig. 5 is the system schematic diagram of revising transmission bandwidth in the present embodiment, and the system shown in Fig. 5 comprises: RNC51, Node B52, wherein, RNC51 comprises: service processing unit 53, AAL2 unit 54, and Node B52 unit comprises: application unit 55, The AAL2 unit 56, wherein the AAL2 unit 54 of the RNC11 includes: a pre-admission unit 54a and a signaling unit 54b.

[0097] The service processing unit 53 in the RNC51 sends a pre-admission message to the pre-admission unit 54a, receives the Modify success message returned by the pre-admission unit 54a, the Modify fails but can be rebuilt message, and the Modify fails and cannot be rebuilt message; to the signaling unit 54b sends the Modify request message, receives the Modify rejection message, the Modif...

Embodiment 2

[0126] In this embodiment, judging whether the bandwidth resource of the current PATH satisfies the currently required transmission bandwidth is performed after the AAL2 Modify request is initiated.

[0127] Fig. 7 is the system diagram of modifying transmission bandwidth in the present embodiment, and the system shown in Fig. 7 comprises: RNC71, Node B72, wherein, RNC71 comprises: service processing unit 73, AAL2 unit 74, and Node B72 unit comprises: application unit 75, The AAL2 unit 76, wherein the AAL2 unit 74 of the RNC11 includes: a signaling unit 74a and a decision unit 74b.

[0128] The service processing unit 73 in the RNC71 sends a Modify request message to the signaling unit 74a, and receives the Modify rejection message and the Modify confirmation message returned by the signaling unit 74a; the Modify failure sent by the judgment unit 74b but the message that can be rebuilt, the Modify failure and cannot be received message sent by the decision unit 74b Rebuild the...

Embodiment 3

[0159] In this embodiment, judging whether the bandwidth resource of the current PATH satisfies the currently required transmission bandwidth is performed after the AAL2 Modify request is initiated. The difference between this embodiment and Embodiment 2 is that the functions performed by the decision unit in Embodiment 2 are directly performed by the signaling unit in this embodiment.

[0160] Fig. 9 is the system schematic diagram of modifying transmission bandwidth in the present embodiment, and the system shown in Fig. 9 comprises: RNC91, Node B92, wherein, RNC91 comprises: service processing unit 93, AAL2 unit 94, and Node B92 unit comprises: application unit 95, The AAL2 unit 96, wherein the AAL2 unit 94 of the RNC11 includes: a signaling unit 94a.

[0161] The service processing unit 93 in the RNC91 sends a Modify request message to the signaling unit 94a, and receives the Modify failure but rebuildable message, Modify failure and non-rebuildable message, Modify rejecti...

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Abstract

A method for revising bandwidth of transmission includes obtaining current service resource ID and destination bandwidth information, judging whether transmission bandwidth required by current service can by satisfied by bandwidth resource of current transmission path or not and revising current transmission bandwidth if it is or otherwise judging whether there is path satisfying required transmission bandwidth or not and setting up transmission bandwidth if it is or otherwise confirming that revision of transmission bandwidth is failure. The system for realizing said method is also disclosed.

Description

technical field [0001] The invention relates to the transmission technology in the communication system, in particular to a method and system for modifying the transmission bandwidth. Background technique [0002] With the rapid development of the third-generation mobile communication (3G) technology, the traffic volume of mobile data is also increasing, which is a huge challenge for the transport layer with insufficient resources. In order to efficiently use the limited bandwidth of the transport layer , it is necessary to dynamically adjust the bandwidth of the transport layer according to the real-time traffic of users. In the R99 version of Wideband Code Division Multiple Access (WCDMA), the Asynchronous Transfer Mode Adaptation Layer (AAL, ATM Adaptation Layer type) 2 is used to establish (Establish) process and AAL2 release (Release) process to modify the transmission bandwidth. In the R5 version, the AAL2 modify (Modify) process is used to modify the transmission ban...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/20H04Q7/38H04W28/20H04L1/00
Inventor 刘霞玲
Owner GLOBAL INNOVATION AGGREGATORS LLC
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