通过AWGN信道传输数字音频的数字调制方案的性能比较分析

2019 International Conference on Power Electronics, Control and Automation (ICPECA) Pub Date : 2019-11-01 DOI:10.1109/ICPECA47973.2019.8975481

Neda Fatima, S. Siddiqui, Anwar Ahmad

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引用次数: 2

摘要

随着互联网和智能手机的出现，现代通信系统不断发展，变得更加先进和复杂，更不容易失真。分析了加性高斯白噪声(AWGN)信道传输信号时采用的不同数字调制技术。对M-ary相移调制(MPSK)技术，即BPSK, QPSK, 8-PSK和16-PSK进行了比较分析，从而分析了它们的误码率(BER)。在此基础上，分析了采用m级相移调制(MPSK)技术在AWGN信道中传输标准音频信号的效果。在第二部分中，对实时语音信号进行传输，并通过部署了BPSK和QPSK的AWGN信道，并对结果进行了分析。

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Comparative Performance Analysis of Digital Modulation Schemes with Digital Audio Transmission through AWGN Channel

With the dawn of internet and smart phones, modern communication systems have consistently evolved as they became more advanced and sophisticated and less prone to distortions. This paper analyses the different digital modulation techniques employed during transmission of signal via Additive White Gaussian Noise (AWGN) channel. Comparative analysis is carried out in case of M-ary Phase Shift Modulation (MPSK) techniques viz. BPSK, QPSK, 8-PSK and 16-PSK and consequently their Bit Error Rates (BER) are analyzed. Furthermore, a standard audio signal is passed through AWGN channel while employing these M-ary Phase Shift Modulation (MPSK) techniques and result is analyzed. In the next part, a real time speech signal is transmitted and passed through AWGN channel where BPSK and QPSK are deployed and the results are analyzed.

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来源期刊

2019 International Conference on Power Electronics, Control and Automation (ICPECA)

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