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Proceedings Paper

Advanced modulation and precoding techniques for OFDM based Radio-over-fiber systems operating in W-band
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Paper Abstract

In this paper we present advanced modulation and coding techniques for telecommunication systems based on Orthogonal Frequency Division Multiplexing and Radio-over-fiber technologies operating in the subteraherz frequency range 75-110 GHz (W-band). The scheme for the Radio-over-fiber communication system based on full-optical frequency upconversion, and detailed description of the W-band wireless channel are presented. As a result, the main factors affecting the quality of the transmitted radio signal are identified, against which the developed modulation formats are aimed. Improving the efficiency of the Radio-over-fiber system is achieved in two stages: by reducing the interchannel interference due to the windowing of received signal, and reducing the peak-to-average power ratio by precoding the subcarrier frequencies of the group spectrum; by increasing the signal-to-noise ratio when using constellation rotation technique. Obtained simulation results showed that application of the proposed advanced modulation and precoding techniques in Radio-over-fiber systems provides the improvement of energy efficiency and noise immunity.

Paper Details

Date Published: 24 June 2019
PDF: 7 pages
Proc. SPIE 11146, Optical Technologies for Telecommunications 2018, 1114617 (24 June 2019);
Show Author Affiliations
Elizaveta P. Grakhova, Ufa State Aviation Technical Univ. (Russian Federation)
Ivan K. Meshkov, Ufa State Aviation Technical Univ. (Russian Federation)
Arsen A. Ishmiyarov, Ufa State Aviation Technical Univ. (Russian Federation)
Guzel I. Abdrakhmanova, Ufa State Aviation Technical Univ. (Russian Federation)
Irina L. Vinogradova, Ufa State Aviation Technical Univ. (Russian Federation)
Albert Kh. Sultanov, Ufa State Aviation Technical Univ. (Russian Federation)
Azat R. Gizatulin, Ufa State Aviation Technical Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11146:
Optical Technologies for Telecommunications 2018
Vladimir A. Andreev; Anton V. Bourdine; Vladimir A. Burdin; Oleg G. Morozov; Albert H. Sultanov, Editor(s)

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