Multi-resampling Doppler compensation in cooperative underwater OFDM systems

Date
2013
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Instructor
Source Title
2013 MTS/IEEE OCEANS - Bergen
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Publisher
IEEE
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Language
English
Type
Conference Paper
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Abstract

We consider a multi-carrier cooperative underwater acoustic communication (UWAC) system and investigate the Doppler scaling problem arising due to the motion of different nodes. Specifically, we assume an orthogonal frequency division multiplexing (OFDM) system with amplify and forward (AF) relaying. Our channel model is built on large-scale path loss along with the short-term frequency-selective fading. For Doppler scaling compensation, we use multi-resampling (MR) receiver designs both at the relay and destination nodes. We present an extensive Monte Carlo simulation study to evaluate the error rate performance of the proposed UWAC system. In simulations, we use the publicly available VirTEX software in conjunction with the ray-tracing based BELLHOP software to precisely reflect the characteristics of an underwater geographical location and the movement of the nodes. © 2013 IEEE.

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Keywords
amplify and forward relaying, Doppler scaling, Underwater acoustic communications, Amplify-and-forward relaying, Doppler, Error rate performance, Geographical locations, Monte- carlo simulations, Orthogonal frequency division multiplexing systems, Underwater acoustic communication (UWAC), Underwater acoustic communications, Communication channels (information theory), Monte Carlo methods, Orthogonal frequency division multiplexing, Space-time block coding (STBC), Telecommunication systems, Underwater acoustics, Cooperative communication
Citation
Published Version (Please cite this version)