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학술대회 On the Spectral Analysis of Discrete-Time Faster-Than-Nyquist Signaling
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저자
곽상운, 윤정일, 임형수, 허남호
발행일
201702
출처
International Conference on Advanced Communication Technology (ICACT) 2017, pp.14-18
DOI
https://dx.doi.org/10.23919/ICACT.2017.7890048
협약과제
16MR2300, FTN(Faster Than Nyquist)기반 유무선 방송시스템 고도화 기술 개발, 허남호
초록
The main purpose of the FTN signaling is to increase data rate without using additional bandwidth or transmission power. To analyze system characteristics of the FTN-based system, such as system capacity, there have been some studies on the power spectral density (PSD) of the FTN signaling. The present study analyzes the PSD characteristics of a discrete-time model of the FTN signaling, and compares it to those of the existing work. From the analysis, we obtain the following meaningful observations: a certain relation between the truncation of the FTN data spectrum and the optimal choice of the FTN factor ?? in terms of achieving the highest system capacity, and a possibility to reduce the down-sampling rate of the receivers to avoid aliasing when the bandwidth of the transmission pulse is less than the symbol rate.
KSP 제안 키워드
Discrete-Time model, Down-sampling, FTN Signaling, Optimal choice, Sampling rate, Spectral analysis(SPECAN), System characteristics, bandwidth of the transmission, based system, faster-than-Nyquist(FTN), increase data rate