FTN信令相干和非相干检测的频谱效率比较

2022 International Conference on Electrical Engineering and Photonics (EExPolytech) Pub Date : 2022-10-20 DOI:10.1109/EExPolytech56308.2022.9950789

S. Zavjalov, Vladimir Prokhorov, A. M. Chudnov

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引用次数: 6

摘要

讨论了FTN信令的相干(基于导频序列的检测)和非相干(差分编码PSK调制)检测算法。从误码率和频谱效率两方面对相干和非相干检测算法进行了比较。如图所示，信噪比为13 dB的非相干检测算法在误码率Pe=10个百分点(−2)和10个百分点(−5)的情况下，在没有能量损失的情况下，频谱效率至少提高5%，同时接收机的计算复杂度大大降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Comparison of Spectral Efficiency of FTN -Signaling with Coherent and Noncoherent Detection

The coherent (pilot sequence based detection) and noncoherent (differentially encoded PSK modulation) detection algorithms of FTN signaling is discussed in this paper. A comparison of coherent and noncoherent detection algorithms is presented, by BER performance and spectral efficiency. It is shown above 13 dB signal-to-noise ratio noncoherent detection algorithm provides at least 5 % gain in spectral efficiency with no energy loss for a bit error probability Pe=10⁁(−2), 10⁁(−5), while providing a receiver with a much lower computational complexity.

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2022 International Conference on Electrical Engineering and Photonics (EExPolytech)

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