Underwater wireless information transfer is of great interest to the military, industry, and the
scientific community, as it plays an important role in tactical surveillance, pollution …

Nowadays, a large amount of information has to be transmitted or processed. This implies
high-power processing, large memory density, and increased energy consumption. In …

Gaussian/non-Gaussian impulsive noises in underwater acoustic (UWA) channel seriously
impact the quality of underwater acoustic communication. The common denoising …

Underwater wireless communication techniques have played the most important role in the
exploration of oceans and other aquatic environments. Underwater acoustic (UWA) …

In this paper, a new channel estimation algorithm is proposed that exploits channel sparsity
in the time domain for an orthogonal frequency division multiplexing (OFDM)-based …

The potential benefits of massive multiple-input multiple-output (MIMO) make it possible to
achieve high-quality underwater acoustic (UWA) communications. Nevertheless, due to the …

Sparse recovery is a strategy for effectively reconstructing a signal by obtaining sparse
solutions of underdetermined linear systems. As an important feature of a signal, sparsity is …

This paper presents two novel approaches for joint carrier frequency offset (CFO) and
doubly selective channel estimation in the uplink of multiple-input multiple-output orthogonal …

The computational complexity required in the channel estimation plays an important role in
underwater acoustic communications (UAC) with orthogonal frequency duplex access …

Sparse recovery techniques find applications in many areas. Real-time implementation of
such techniques has been recently an important area for research. In this paper, we propose …