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Plasma sheath can severely affect the electromagnetic waves and lead to the radio blackout problem. Existing simulation works on the influence of plasma on communications, either failed to illustrate the high dynamics of the plasma or suffered from high computational complexity. In this paper, we propose an experimental system based on a shock tube to evaluate the communication performance over the...
The plasma sheath channel (PSC) is very challenging due to its fast time-varying characteristics. Thereby, communication systems under PSCs should be elaborately designed, so as to deal with the radio blackout problem. In the existing studies, M-ary FSK (MFSK) modulation has been shown more appropriate than other schemes, however, the accurate log-likelihood ratio (LLR) for MFSK under PSCs is still...
The artificial neural network (ANN) has been shown that, is an effect technique used to gain insight into channel equalizer design, to combat nonlinear distortion in wireless communication systems. Also, the joint design of channel equalizer and decoder can provides great advantages for system performance. However, research on the soft output of an ANN-based equalizer still remains largely open. Towards...
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