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MIMO communication offers a potential solution for high speed underwater acoustic communication. However, the simultaneous presence of multipath and co-channel interference (Co-channel interference, CoI) poses serious difficulty for estimating acoustic MIMO channels. For MIMO channels with serous CoI, the performance gain achieved by exploiting the sparsity of a single acoustic channel is insufficient...
Recently, many key techniques which was proved effective in radio communication have been utilized in underwater acoustic (UWA) communication, such as multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM). Channel estimation for MIMO-OFDM systems has been improved observably based on compressive sensing (CS) techniques. In recent years, by exploiting the inherent...
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