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- W2794820121 abstract "Faster-than-Nyquist (FTN) signaling is a nonorthogonal transmission scheme, in which the pulses appear faster than the rate known from the Nyquist intersymbol interference (ISI)-free transmission criterion. Due to the violation of the Nyquist theorem, while a higher transmission rate is offered, ISI is introduced and the receiver complexity is greatly improved in the FTN signaling. The precoding technique can preprocess transmitted data before shaping filtering at the transmitter to remove ISI and relieve the receiver of heavy equalization or estimation procedures in the FTN signaling. In this paper, we investigate three linear precoding schemes, i.e., singular value decomposition (SVD), GTMH(G-to-minus-half) and Cholesky factorization (Cho) to reduce ISI and improve the performance of signal detection in FTN systems. We evaluate the performance of these precoding methods in terms of the bit error rate (BER), mutual information and power spectrum density (PSD). Numerous simulation results demonstrate that the GTMH and Cho precoded FTN have better BER and mutual information performance than the SVD scheme, but at the cost of broadening the spectrum of the signal." @default.
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- W2794820121 date "2017-12-01" @default.
- W2794820121 modified "2023-09-27" @default.
- W2794820121 title "Linear precoding for Faster-than-Nyquist signaling" @default.
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- W2794820121 doi "https://doi.org/10.1109/compcomm.2017.8322513" @default.
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