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Data transmission method and apparatus based on IP Abis interface

A data transmission method and data transmission technology, which are applied in the field of data transmission methods and devices based on IP Abis interface, can solve the problems of waste of bandwidth resources, complex TRAU frame structure, etc., so as to save network bandwidth resources, ensure transmission reliability, and simplify Effects of TRAU Frame Structure

Inactive Publication Date: 2009-02-04
ZTE CORP
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Problems solved by technology

[0010] In view of this, the main purpose of the present invention is to provide a data transmission method and device based on the IP Abis interface, which can solve the problems of complex TRAU frame structure and bandwidth resource waste in Abis interface transmission in the prior art, and meet the requirements of reducing bandwidth resources. Under the premise of achieving reliable transmission

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  • Data transmission method and apparatus based on IP Abis interface
  • Data transmission method and apparatus based on IP Abis interface
  • Data transmission method and apparatus based on IP Abis interface

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] The core idea of ​​the present invention is: simplify the structure of the TRAU frame, remove the control parameters irrelevant to IP transmission, thus propose a service frame that simplifies the structure of the TRAU frame, use the RTP protocol to transmit the simplified service frame, and combine multiple service Frames are encapsulated in an RTP protocol frame to realize multiplexing of RTP protocol frames.

[0043] In order to realize the data transmission method based on the IP Abis interface of the present invention, the present invention adopts such as image 3 The shown data transmission device based on the IP Abis interface, the device has increased the RTP implementation unit 203 and the network driver (NetDr, Net Driver) unit 204 on the BTS side and the RTP implementation unit 103 and the NetDr unit on the BSC side ...

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Abstract

The invention discloses a data transmission method based on an IP Abis interface and a device, and the method comprises: a data transmission sending terminal of the IP Abis interface utilizes business payload data and control parameters to set up a business frame; a field containing business description information is added in the business frame, and the business frame is encapsulated in a real-time transmission protocol frame; the real-time transmission protocol frame is encapsulated in a network protocol frame, and is transmitted through an IP network; and a data transmission receiving terminal of the IP Abis interface analyses the real-time transmission protocol frame from received network protocol frame, analyses the business frame from the real-time transmission protocol frame, and then obtains the business payload data and the control parameters according to the analysis to the business frame. Through the use of the data transmission method, the invention can simplify the structure of the business frame, ensure transmission reliability and save network bandwidth resources.

Description

technical field [0001] The invention relates to mobile communication data transmission technology, in particular to a data transmission method and device based on an IP Abis interface. Background technique [0002] The Global System for Mobile Communications (GSM, Global System for Mobile Communications) is the most widely used communication system in mobile communications, and its wireless access network equipment is usually called a Base Station Subsystem (BSS, Base Station System). The role played by the BSS in GSM is: on the one hand, the BSS is connected with the mobile terminal (MS, Mobile Station) through the wireless network, and performs wireless signal transmission, reception and wireless resource management; on the other hand, the BSS and the mobile switching center ( MSC, Mobile Switching Center) or Mobile Switching Center Server (MSC Server, Mobile Switching Center Server) are connected to realize functions such as communication between MSs or between MSs and fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/22H04L29/06
Inventor 郭建林王欣晖柯昌伟
Owner ZTE CORP
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