相位调制FCMA系统的卷积编码

Proceedings of IEEE 3rd International Symposium on Spread Spectrum Techniques and Applications (ISSSTA'94) Pub Date : 1994-07-04 DOI:10.1109/ISSSTA.1994.379579

R. Boreli, K. Yates

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引用次数: 1

摘要

研究了将非二进制卷积编码应用于相位调制频率COMB94多址(PFCMA)系统的优点。PFCMA是针对小孔径终端(VSAT)卫星通信网络提出的一种新型多址接入技术，它包含了扩频多音传输技术。先前的工作(Boreli和Yates, 1993)分析了PFCMA的误差性能，并指出需要纠错编码以提高功率效率。选择具有匹配符号大小的非二进制卷积码，充分利用软判决译码的优势。本文作者对编码系统的性能进行了研究，并举例说明了这一点

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Convolutional coding for a phase modulated FCMA system

The paper investigates the benefits of non-binary convolutional coding applied to a phase modulated frequency COMB94 multiple access (PFCMA) system. PFCMA is a novel multiple access technique proposed for very small aperture terminal (VSAT) satellite communications networks which encompasses multi-tone transmission with spread spectrum techniques. Previous work (Boreli and Yates, 1993) analysed the PFCMA error performance and indicated a need for error correction coding in order to improve the power efficiency. Non-binary convolutional codes with matching symbol size were chosen to fully exploit the benefits of soft decision decoding. The present authors present a study of coded system performance and illustrate it with a number of examples.<>

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Proceedings of IEEE 3rd International Symposium on Spread Spectrum Techniques and Applications (ISSSTA'94)

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