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Voice packets in IP network

一种网络、话音的技术，应用在创建所述信号格式领域，能够解决带宽浪费等问题，达到节约带宽的效果

Inactive Publication Date: 2004-07-14
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This unbalanced ratio results in wasted bandwidth

Method used

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  • Voice packets in IP network
  • Voice packets in IP network
  • Voice packets in IP network

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0023] figure 1 A telecommunication system TS for mobile communication is disclosed. The telecommunication system comprises a source access network SAN and a destination access network DANB, both of the ATM type (Asynchronous Transfer Mode). The telecommunication system comprises a core network CN of IP type (Internet type). The core network CN is used to transport user data such as voice packets VP between source and destination access networks SAN and DANB. figure 1 The source access network SAN in comprises base transceiver stations bla, b2a and b3a communicating with mobile stations 1a, 2a, 3a, 4a and 5a. The communication between the base station and the mobile station constitutes the radio interface. The radio interface in this embodiment is based on WCDMA (Wideband Code Division Multiple Access).

[0024] ATM networks SAN and DANB are connection-oriented networks, where each data transfer between network devices is preceded by a command to establish a virtual connec...

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Abstract

The present invention relates to a method for transportation of user information in a core network (CN). The core network is located between a source access network (SAN) and a destination access network (DANB). The method comprises the following steps: collecting in a source center (MSCa) in the source network (SAN) of voice packets from source units ( 1 a, 2 a, 3 a, 4 a, 5 a) in the source network. The voice packets have the destination network (DANB) specified as receiving network; arranging of the collected voice packets into a payload part (IPPL) of an IP-packet (IP) in the core network (CN); transferring of the IP-packet in the core network (CN) from the source center (MSCa) to a destination center (MSCb) in the destination network (DANB).

Description

technical field [0001] The invention relates to a signal format used in an IP bearer in a core network for transporting user data. The invention also relates to methods and devices for creating said signal format. Background technique [0002] The use of Asynchronous Transfer Mode Network "ATM" for transferring information such as video and voice has become increasingly popular because of the high data rates and flexibility of such networks. ATM networks use packet switching technology. The ATM network is a connection-oriented network, where each data transmission between network devices is preceded by a command for establishing a virtual connection between the devices. [0003] In contrast, other types of networks such as the Internet are referred to as connectionless networks because in these networks data is transferred from a source device to a destination device without first establishing a connection as is required in ATM networks. In a connectionless network, a sou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/70H04Q7/22H04Q11/04
CPCH04L12/4604H04L2012/5667H04Q11/0478H04L2012/5671H04W28/06H04L12/46H04L2012/5603
Inventor L-G·彼得森
Owner TELEFON AB LM ERICSSON (PUBL)
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