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Method, device and system for transmitting RTP (Real Time Protocol) message

A technology of message and network devices, which is applied in the field of communication, can solve problems such as not being able to meet the system bandwidth load, and achieve the effect of reducing system bandwidth, reducing the number of bytes, and reducing bandwidth load

Active Publication Date: 2014-09-10
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] With the increase in the number of users, the number of RTP packets carried in the GSM system is also increasing. Therefore, the existing multiplexing and compression methods for transmitting RTP packets cannot meet the bandwidth load of the system. optimized design

Method used

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  • Method, device and system for transmitting RTP (Real Time Protocol) message
  • Method, device and system for transmitting RTP (Real Time Protocol) message
  • Method, device and system for transmitting RTP (Real Time Protocol) message

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Embodiment Construction

[0041]In the embodiment of the present invention, the multiplexing header format contained in the existing RTP multiplexing message is further modified, so that the system can accommodate more access users under the same bandwidth condition, specifically: RTP is redesigned The message format of the multiplexing message, in each multiplexing header that the RTP multiplexing message contains, only keep the byte for recording the destination UDP port and the length of the payload, and delete the byte for recording the source UDP port, so that The system bandwidth occupied by the RTP message transmission is reduced, and further, the T flag bit in the byte used to record the destination UDP port is deleted.

[0042] Under the existing technology, referring to the protocol 3GPP TS48.103, the message format of the RTP multiplexing message is as follows figure 2 with image 3 as shown, figure 2 The RTP packet format that multiplexes uncompressed headers is shown in image 3 The R...

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Abstract

The invention relates to the communication field, in particular to a method, a device and a system for transmitting a RTP (Real Time Protocol) message for improving the bandwidth utilization rate during RTP message transmission and reducing the internal bandwidth load of a communication system. The method comprises the steps of: re-designing the message format of a multiplex compression head RTP message transmitted by an ABIS port; and only retaining the UDP (User Datagram Protocol) port for recording and byte of payload length in the multiplex heads so as to reduce the byte number occupied by the multiplex heads, reduce the bandwidth of the system occupied by sending RTP multiplex message, reduce the bandwidth load inside the communication system to receive more access users under the same bandwidth condition of the system and improve the utilization rate of bandwidth of the system.

Description

technical field [0001] The invention relates to the communication field, in particular to a method, device and system for transmitting RTP messages. Background technique [0002] The invention relates to the field of mobile communication access network, and specifically relates to how to compress the bandwidth of the GERANABIS port during IP access, so as to ensure that the mobile communication system can complete the normal call voice frame transmission at a lower bandwidth during the mobile communication process. [0003] In the GERAN (GSM / EDGE Radio Access Network, Global System for Mobile Communications / GSM Enhanced Data Rate Evolution Radio Access Network) system, refer to the protocol 3GPP TS48.103, two functional entities BSC (base station controller) in the base station subsystem Between BTS (Base Transceiver Station, referred to as base station), the access mode of ABIS interface is divided into IP (Internet Protocol, Internet Protocol) access mode and TDM (Time Div...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/06
Inventor 束谦
Owner ZTE CORP
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