Space-frequency coded orthogonal signal-division multiplexing over underwater acoustic channels

Han, Jing; Shi, Wentao; Leus, Geert J.T.

Space-frequency coded orthogonal signal-division multiplexing over underwater acoustic channels

Journal article (2017)

Authors

Jing Han Northwestern Polytechnical University

Wentao Shi Northwestern Polytechnical University

Geert J.T. Leus Signal Processing Systems -

Research Group

Signal Processing Systems () (TU Delft)

Multiplexing Density functional theory Doppler effect Underwater sound Surface enhanced Raman scattering

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http://resolver.tudelft.nl/uuid:463728b0-b2fd-4d9b-86aa-44f937bb694f

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Published Date

2017

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Signal Processing Systems

Abstract

Orthogonal signal-division multiplexing (OSDM) is a newly emerged modulation scheme which provides a generalized framework unifying conventional orthogonal frequency-division multiplexing (OFDM) and single-carrier frequency domain equalization. In this letter, a space-frequency block coding (SFBC) scheme based on OSDM is proposed for time-varying underwater acoustic channels. The receiver processing includes Doppler compensation, channel estimation, space-frequency decoding, and equalization. Simulation and experimental results demonstrate its superiority over the existing SFBC-OFDM counterpart.

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