在平坦衰落信道上传输的pi /4偏置DQPSK的均衡

[Conference Record] SUPERCOMM/ICC '92 Discovering a New World of Communications Pub Date : 1992-06-14 DOI:10.1109/ICC.1992.268245

M. Fattouche, H. Zaghloul

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引用次数: 3

摘要

作者提出了一种均衡器/解调器算法，以尽量减少传播信道对在平坦衰落信道上传输的pi /4偏置微分正交相移键控(DQPSK)调制符号的影响。该均衡器/解调器以接收信号的同相采样和正交采样作为输入，并输出相应的解码位。均衡器使用希尔伯特变换从载波的包络线估计载波的相位差的绝对值。这是在移动无线电频道上演示的。

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Equalization of pi /4 offset DQPSK transmitted over flat fading channels

The authors propose an algorithm for an equalizer/demodulator to minimize the effects of the propagation channel on pi /4 offset differential quadrature phase shift keying (DQPSK) modulated symbols transmitted over a flat fading channel. The proposed equalizer/demodulator takes as input the in-phase and quadrature samples of the received signal and outputs the corresponding decoded bits. The equalizer uses a Hilbert transform to estimate the absolute value of the phase differential of the carrier from the envelope of the carrier. This is demonstrated on a mobile radio channel.<>

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[Conference Record] SUPERCOMM/ICC '92 Discovering a New World of Communications

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