Analog Single-Carrier Transmission with Frequency-Domain Equalization

Thanh Hai VO  Shinya KUMAGAI  Tatsunori OBARA  Fumiyuki ADACHI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E97-B   No.9   pp.1958-1966
Publication Date: 2014/09/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E97.B.1958
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
analog signal transmission,  frequency-domain equalization,  single-carrier transmission,  

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Summary: 
In this paper, a new analog signal transmission technique called analog single-carrier transmission with frequency-domain equalization (analog SC-FDE) is proposed. Analog SC-FDE applies discrete Fourier transform (DFT), frequency-domain spectrum shaping and mapping, inverse DFT (IDFT), and cyclic prefix (CP) insertion before transmission. At the receiver, one-tap FDE is applied to take advantage of frequency diversity. This paper considers, as an example, analog voice transmission. A theoretical analysis of the normalized mean square error (NMSE) performance is carried out to evaluate the transmission property of the proposed analog SC-FDE and is confirmed by computer simulation. We show that analog SC-FDE achieves better NMSE performance than conventional analog signal transmission scheme.