A Survey on Faster-Than-Nyquist Signaling
Abstract: In digital communication system, the Nyquist criterion states that the symbol rate must satisfy the Nyquist criterion in order to achieve transmission without intersymbol interference. However, in 1975, Mazo found that in band-limited Additive White Gaussian Noise channel, the normalized minimum Euclidean distance does not decrease when the symbol rate exceeds within 25% of the Nyquist rate and name it as Faster-Than-Nyquist signaling (FTN). In this paper, we first introduce the history of FTN transmission, analyze the Mazo limit of FTN system, and finally compare the capacity of FTN and Nyquist rate transmission. Simulation result shows that when the transmitted pulse has excessive bandwidth, FTN transmission can achieve higher capacity than transmission under Nyquist rate.
文章引用: 左崇彦 , 吴乐南 (2016) 超奈奎斯特速率(FTN)传输进展。 无线通信， 6， 123-132. doi: 10.12677/HJWC.2016.66016
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