An Adaptive Forward Error Control Method for Voice Communication

W. Lizhong, W. Muqing, Wei Lulu, Li Mojia
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引用次数: 8

Abstract

In the end-to-end voice communication networks, the packet losses caused by network congestion and wireless channel errors reduce the efficiency of the forward error correction (FEC) scheme. Especially for mobile VoIP, network congestion and wireless channel status changed very fast. This paper presents an adaptive FEC that can adaptive adjust and predict the FEC block according to the network status.
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语音通信中的自适应前向错误控制方法
在端到端语音通信网络中,由于网络拥塞和无线信道错误导致的丢包会降低前向纠错(FEC)方案的效率。特别是对于移动VoIP来说,网络拥塞和无线信道状况变化非常快。本文提出了一种自适应FEC,可以根据网络状态对FEC块进行自适应调整和预测。
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