Variable-rate signalling in conjunction with coding for meteorburst communications

机译：可变速率信令与流星通信编码结合

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The author examines the use of variable-rate signaling innconjunction with error-correction coding for a meteor burst channelnmodel which assumes that the received signal amplitude decaysnexponentially. The performance achievable with variable-rate signalingnis quantified by calculating the cutoff rate. The averagensignal-to-noise ratio per bit required to support communications isncalculated under the assumption that the code rate is equal to thencutoff rate. It is shown that the improvement of variable-rate signalingnover fixed-rate signaling is large if the code rate is moderate to high,nand that the improvement is small if the code rate is low and thendecoder is provided with side information on the received signal level

机译：作者研究了在流星突发通道模型中使用可变速率信令与纠错编码相结合的方法，该模型假设接收信号幅度呈指数衰减。通过计算截止速率可以量化可变速率信号传输所能实现的性能。支持通信所需的每比特平均信噪比是在假设码率等于截止率的前提下计算的。结果表明，在码率从中等到高的情况下，可变速率信令在固定速率信令上的改进很大，而在码率低的情况下对解码器提供有关接收信号电平的辅助信息的改进很小。

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来源
《Justifying and Selecting Innovation Projects, 2005》|2005年|p.474-478|共5页
会议地点 McLean VA
作者
Mui S.Y.;
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作者单位

General Electric Co., Camden, NJ;

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会议组织
原文格式 PDF
正文语种 eng
中图分类自动化技术、计算机技术;
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Variable-rate signalling in conjunction with coding for meteorburst communications

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