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Conference Paper
On the Spectral Analysis of Discrete-Time Faster-Than-Nyquist Signaling
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- Authors
- Sangwoon Kwak, Joungil Yun, Hyoungsoo Lim, Namho Hur
- Issue Date
- 2017-02
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2017, pp.14-18
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- 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 Keywords
- Discrete-Time model, Down-sampling, FTN Signaling, Faster-Than-nyquist signaling(FTN), Sampling rate, Spectral analysis(SPECAN), System characteristics, bandwidth of the transmission, based system, increase data rate, optimal choice