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Intersymbol interference (ISI) cancellation over frequency-selective underwater acoustic channel (UAC) is usually performed efficiently using iterative equalization. To this aim, an interleaver is required between the error correction scheme and the modulation scheme, and the longer the interleaver block length the better the performance. However, in the case of time-varying UAC, the length of the...
The use of orthogonal frequency division multiplexing (OFDM) based underwater acoustic (UWA) modems has raised a growing interest within the scientific community. This is motivated mainly by the relative simple implementation of the OFDM system and its capability to transmit efficiently over long time spread channels. This paper describes the modem developed in the context of COMET project, which...
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