基于窄带可变带宽的图像传输自适应算法

Gao-ping Liu, Zi-han Zheng
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引用次数: 0

摘要

随着网络的发展,网络带宽不断增加,但相对于日益增长的需求,带宽显得狭窄,并且由于环境的影响,带宽的大小总是在变化的。以CDMA网络为例,提出了一种窄带可变自适应图像传输算法。发射端针对CDMA网络的环境变量和带宽分配特点,通过接收端反馈的TCP数据包判断网络状态,并根据CDMA网络的数据帧长度特征调整UDP数据包的传输时间和数据包大小,从而适应CDMA网络带宽的变化。最后给出了算法的测试结果。测试结果表明,该算法能够快速跟踪网络带宽的变化,充分利用CDMA网络的可靠带宽。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Self-adaptive algorithm for image transmission based on narrow and variable bandwidth
With the development of networks, network bandwidth is increasing endlessly, but it appears narrow relative to the growing demand, and because of the environmental impact, the size of bandwidth is always changing. This paper presents a narrow bandwidth variable adaptive image transmission algorithm with an example of CDMA Network. Aiming at the environment variable and bandwidth allocation characters of CDMA Network, the transmitter terminal determines the network status through the TCP data packets feedback from the receiver, and adjusts UDP packets transmission time and packet size with the data frame length feature of CDMA network, thus adapts for the CDMA network bandwidth changes. Finally, the paper gives the test results of the algorithm. Test results show that the algorithm can quickly follow the changes of network bandwidth, and make full use of reliable bandwidth of CDMA network.
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