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A voice quality optimization method for power IMS network based on SBC rerouting

A technology of network voice and optimization method, applied in the field of information communication, can solve problems such as affecting call quality, increasing user complaints, unable to continue calls, etc., to achieve the effect of ensuring voice quality and improving user QoE

Active Publication Date: 2019-05-31
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the lack of corresponding network resource monitoring methods, network congestion will affect the quality of calls, and even cause calls to fail in severe cases, and increase user complaints

Method used

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  • A voice quality optimization method for power IMS network based on SBC rerouting
  • A voice quality optimization method for power IMS network based on SBC rerouting
  • A voice quality optimization method for power IMS network based on SBC rerouting

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Embodiment Construction

[0030] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0031] combine figure 1 Shown: the present invention provides a kind of power IMS network voice quality optimization method based on SBC rerouting, described method comprises the steps:

[0032] 1. Build a measurement environment for the network quality of the power IMS network: add a fusion measurement device deployed on the SBC side and a centralized control center. The converged measurement device and the SBC are deployed under the same LAN switch, and all service traffic entering / exiting the local SBC is obtained through port mirroring / light splitting, etc., and the necessary information is obtained by analyzing the service messages through deep packet detection. At the same time, the fusion measurement device can actively send standard protocol messages such as ping and ftp to measure network link performance (round-trip delay, available band...

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Abstract

The invention discloses a voice quality optimization method of an electric power IMS network based on SBC rerouting, and relates to the technical field of information communication. On the premise of monitoring network performance, the rerouting function of SBC avoids possible congested nodes in media stream communication, ensures voice quality, and improves user experience quality. I. Deploy equipment to build a measurement environment for the network quality of the power IMS network; II. The measurement device finds the inter-province session that is about to be established through message analysis, and measures the network performance of the peer SBC. Then report the measurement results together with the media stream resource request to the control center; III. The control center calculates the optimal route between the source and the destination SBC and generates a media stream forwarding table and sends it to the SBC included in the optimal route for updating; IV. SBC Perform media stream rerouting or direct forwarding according to the modified media stream forwarding table. The invention is applicable to the electric power IMS network in which address mapping, data packet encapsulation / uncapsulation, and media flow forwarding are carried out by SBC.

Description

technical field [0001] The invention relates to the technical field of information communication, in particular to an SBC rerouting-based power IMS network voice quality optimization method. Background technique [0002] The power IMS network is an overlay network that carries power voice services. In an IP voice session, different transmission channels are established for the control stream and the media stream, and the establishment of the streaming media channel does not consider the network resource requirements of the voice session, so the network congestion will cause the voice session quality to decline, affecting users Quality of Experience (QoE: Quality of Experience). [0003] In the prior art, at the terminal level, the performance degradation in the network channel is found mainly by analyzing the RTCP message on the SIP terminal, and the quality of the IP voice call is guaranteed by reducing the sending rate and other means. This voice quality optimization met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/703H04L12/707H04L12/721H04L12/803H04L45/24H04L45/28
CPCH04L43/08H04L45/12H04L45/22H04L45/24H04L45/28H04L47/122
Inventor 王攀
Owner NANJING UNIV OF POSTS & TELECOMM