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Anti-jittering data transmission method, equipment and system

A data transmission method and anti-jitter technology, which is applied in the field of communication, can solve the problem of high data frame loss rate, and achieve the effect of reducing the loss rate and transmission jitter

Inactive Publication Date: 2013-09-11
吴中区横泾嘉运模具厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the above buffer processing mechanism has a high loss rate of data frames

Method used

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  • Anti-jittering data transmission method, equipment and system
  • Anti-jittering data transmission method, equipment and system
  • Anti-jittering data transmission method, equipment and system

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Experimental program
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Embodiment Construction

[0040] The technical solutions of the embodiments of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0041] The base station controller periodically sends downlink data frames to the base station, and the base station also sends downlink data frames received from the base station controller to the air interface at the same period. For the jitter of the downlink data frame, the solution adopted in the embodiment of the present invention can eliminate it. It should be noted that: the technical solutions of the embodiments of the present invention can be transplanted in WCDMA, CDMA, WIMAX, and LTE.

[0042] figure 1 It is a flow chart of Embodiment 1 of an anti-jitter data transmission method provided by the present invention. Such as figure 1 As shown, this embodiment includes:

[0043] Step 11: After receiving the data frame sent by the base station controller, the base station determines the re...

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Abstract

The invention provides an anti-jittering data transmission method, anti-jittering data transmission equipment and an anti-jittering data transmission system. The method comprises the following steps of: after receiving a data frame sent by a base station controller, determining the receipt time of the data frame; determining the preset transmission time of the data frame sent to a null interface according to a packet sequence number and a preset transmission period of the data frame; placing the data frame into a cache or discarding the data frame according to the receipt time and the preset transmission time, and sending feedback information comprising time difference of the receipt time and the preset transmission time to the base station controller; and sequentially sending the data frame in the cache according to the transmission period. The invention reduces the loss rate of transmission of the data frame between the base station controller and the base station, and simultaneously reduces the time difference between the time from the data frame to the base station and the time of sending the data frame from the base station to the null interface.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a data transmission method, device and system for anti-shaking. Background technique [0002] A typical base station subsystem includes two logical nodes: base station controller and base station. The base station controller is connected to the mobile switching center through the A interface, and the base station is connected to the mobile terminal through the Um interface. The communication interface between the base station controller and the base station is called the Abis interface. The Abis interface is used to realize the remote interconnection between the base station controller and the base station, and adopts a standard 2.04Mbps or 64Kbps pulse code modulation (PCM) digital transmission link to realize data transmission. The voice service channel is carried on the PCM digital transmission link. The frame structure transmitted in the Abis interface...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/04H04W56/00H04B7/26
Inventor 丁明
Owner 吴中区横泾嘉运模具厂
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