一种新的ATM和无线ATM网络自适应前向纠错方案

2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233) Pub Date : 2001-08-26 DOI:10.1109/PACRIM.2001.953562

K. Srinivas, C. Rangan, S. Raghavan

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引用次数: 0

摘要

无线异步传输模式(WATM)系统被提出用于未来宽带多媒体个人通信。无线信道中的误差具有突发性误差模式的特征，其本质上是时变的。异步传输模式(ATM)中的单元丢失主要是由于缓冲区溢出导致的突发单元丢失。大多数现有的纠错码不能充分考虑突发错误，只关注小区错误而不是小区损失。因此，它们不适用于像WATM这样的时变信道。采用一种根据网络特性进行调整的自适应编码方案，可以实现对时变信道的有效误差控制。

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A new adaptive forward error correction scheme for ATM and wireless ATM networks

Wireless asynchronous transfer mode (WATM) systems have been proposed for future broadband multimedia personal communication. The errors in the wireless channel are characterized by burstier error patterns which are time varying in nature. The cell losses in asynchronous transfer mode (ATM) occur mostly due to buffer overflow resulting in burst cell losses. Most of the existing error correcting codes do not adequately account for the burst errors and concentrate only on cell errors rather than cell losses. Hence, they are not suitable for time-varying channels like WATM. Efficient error control for the time-varying channel can be realized with an adaptive coding scheme, which adjusts according to the network characteristics.

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来源期刊

2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233)

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