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摘要
En 中文
A new spectral shaping technique, convolutional spectral shaping (CSS), is introduced. In CSS, equivalence classes of possible sign bit sequences are represented by a coset of a convolutional code and a search through the trellis of the code is used to pick a sequence from the selected coset to approximate a target spectral shape for transmission. Simulation results are included to illustrate the performance of CSS, A version of CSS has recently been adopted by the International Telecommunication Union (ITU) in the pulse code modulation (PCM) modem standard V.90.
Keyword:
PCM modem
V.90
convolutional code
spectral shaping
期刊
IF:
4.4
论文数:
1.3W
被引数:
2.2W
机构
暂无机构信息
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