Method of implementing improvement of user service quality in IP multimedia subsystem

A multimedia subsystem and user service technology, applied in the field of IP network service quality, can solve the problems of users not getting service, media stream congestion, etc., and achieve the effect of accurate data collection and real-time data forwarding

Active Publication Date: 2008-04-09
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the IMS-MGW has no priority regulation for media packets, if the media traffic of all registered user terminal ITMs exceeds the process

Method used

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  • Method of implementing improvement of user service quality in IP multimedia subsystem
  • Method of implementing improvement of user service quality in IP multimedia subsystem
  • Method of implementing improvement of user service quality in IP multimedia subsystem

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Embodiment Construction

[0038] Since the IMS service data traffic is concentrated on the media packet traffic on the user media level, the present invention introduces the concept of user priority on the media level of the user terminal, so that high-priority users can obtain large-traffic media bandwidth services, and the maximum registered The concurrent media streams of the number of users are limited to the maximum capacity of the device. Therefore, the present invention adds the bandwidth resource management and media flow control of a single call to the existing mechanism, and a switch of whether to realize the bandwidth resource management or whether to realize the flow control. The network element devices in the IMS can turn on or off these switches according to user requirements. The bandwidth of this channel can be negotiated, and according to the negotiated bandwidth, the unidirectional media packets at both ends of the call will be filtered and classified, and the media packets that meet ...

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Abstract

The invention provides a method for improving quality of service (QoS) to users by using an IP multimedia subsystem (IMS). The method comprises (1) adding a mechanism with bandwidth resource management and media flow control for single-call in the existing mechanism according to the priority of the IMS users; (2) making agreement of the bandwidth at two sides of the call, and filtering media messages at two sides of the call in accordance with the agreed bandwidth and channel information defined in the agreement, so as to assure that the characteristic parameter of the actual access flow meets the bandwidth agreed value in each media flow; (3) classifying the media message within the bandwidth agreed value, and directly transmitting the media message that mismatches with the rules; limiting the flow to the media message that meets the matching rules according to token bucket algorithm of committed access rate (CAR). The invention can effectively provides a service to the users according to the priority of the users, and provides more accurate treatment reference to service charging.

Description

technical field [0001] The present invention relates to IP (Internet Protocol) network quality of service (QoS, Quality of Service) technology, relate in particular to in IP multimedia subsystem (IMS, IP Multimedia System), for session boundary controller (SBC, Session Boundary Controller), media Network elements such as a gateway control function entity (MGF, Media Gateway Function) and a border gateway (BGW, Border Gateway) implement a method for improving user service quality at the media level. Background technique [0002] With the rise and rapid development of IMS, the advantage of IMS to provide Internet services using cellular technology at any place and any time has been greatly promoted. Packet switching technology gradually replaces circuit switching technology with its high efficiency. However, while the packet switching technology provides real-time multimedia services, it also faces great security risks and challenges of quality of service (QoS, Quality of Serv...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L47/21
Inventor 任勤
Owner ZTE CORP
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