Orthogonal time frequency space (OTFS) is a novel two-dimensional (2D) modulation
technique that provides reliable communications over time-and frequency-selective …

In reconfigurable intelligent surface (RIS)-assisted wireless communication systems,
channel estimation is of paramount importance to unleash the full advantage of the high …

This paper describes the hardware development of an underwater communication system
using FPGA technology. The hardware device involves implementation of high-performance …

Multicarrier techniques have made it possible to wirelessly transmit data at higher rates for
underwater acoustic (UWA) communication. Several multicarrier techniques have been …

We propose an effective, low complexity and multifaceted scheme for peak-to-average
power ratio (PAPR) reduction in the orthogonal frequency division multiplexing (OFDM) …

The Doppler effect critically degrades the performance of orthogonal frequency division
multiplexing (OFDM) systems in general. This problem is significantly worse for underwater …

Adaptive modulation received significant attention for underwater acoustic (UA)
communication systems with the aim of increasing the system efficiency. It is challenging to …

The growing interests in Internet of Underwater Things (IoUT) put forward more demands for
underwater acoustic (UWA) communication technologies. However, the conventional …

In underwater acoustic-orthogonal frequency division multiplexing (UWA-OFDM) systems,
the performance of channel estimation is significantly affected by pilot allocation in the …

Underwater acoustic (UWA) communication techniques have gained popularity for wireless
communication in shallow and deep seas. Orthogonal frequency division multiplexing …