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Resource usage in optimized sectionalization exchanging network

A packetization, packet loss rate technology, applied in error detection/prevention using signal quality detectors, transmission modification based on link quality, digital transmission systems, etc., can solve the problem of not providing detailed algorithms or procedures, and achieve Avoid the effect of additional signaling traffic

Inactive Publication Date: 2007-02-28
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The PoC also describes a method to request a change in bandwidth utilization, but does not provide a detailed algorithm or procedure to allow this method

Method used

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  • Resource usage in optimized sectionalization exchanging network
  • Resource usage in optimized sectionalization exchanging network

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Embodiment Construction

[0021] Now consider the PoC service in detail. A single MRF can manage thousands of conversation sessions, each of which is independent of other sessions that may be hosted by the same MRF. A given conversation session will include two or more pieces of user equipment (UE) and the central MRF. These UEs may each have different capabilities. The talk burst from the UE is encoded and sent to the MRF (via the respective GGSN) as one or more RTP packets (herein just referred to as "packets"). The MRF then forwards the packet to other UEs or every other UE participating in the same conversation session. The path taken by the packet from the UE to the MRF is called "uplink". The path taken by the packet from the MRF to the UE is called "downlink". For each link in the chain, the packet loss rate can be different. Especially for real-time applications such as VoIP, the perceived quality of the user experience depends critically on the packet loss rate. A conversation session involving te...

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PUM

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Abstract

A method of optimising the bandwidth usage on a Real-Time Protocol managed link transporting media ftom a Media Resource Function of a cellular telecommunications network to User Equipment. The method comprises monitoring properties of the link and, as a result of said monitoring, adapting the sending rate over the link by re packetising media, received at the Media Resource Function from third party nodes, to increase or decrease the si7e of packets sent over the link.

Description

Technical field [0001] The invention relates to optimizing the use of resources in a packet-switched network, and especially a packet-switched network of a cellular telecommunication network. Background technique [0002] Many operators of existing 2G cellular telecommunication networks have now introduced data services based on packet switching. In the GSM network, these services are promoted through the General Packet Radio Service (GPRS) protocol and system. A typical network architecture is illustrated in Figure 1. The 3G standard (proposed by the Third Generation Partnership Project) has introduced the concept of Media Resource Function (MRF) 1, which is intended to act as a general media processing node and may usually be located inside the IP Multimedia Subsystem (IMSS) 4 of the cellular network. MRF nodes can also be introduced into 2G networks that provide packet-switched data services. [0003] A specific function of MRF is in the processing of voice over IP (VoIP) conf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L1/20
CPCH04L1/0007H04L1/0026H04L1/20
Inventor P·蒂德维尔
Owner TELEFON AB LM ERICSSON (PUBL)
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