Deep learning-based signal detection for underwater acoustic otfs communication

Y Zhang, S Zhang, B Wang, Y Liu, W Bai… - Journal of Marine …, 2022 - mdpi.com
Orthogonal time frequency space (OTFS) is a novel two-dimensional (2D) modulation
technique that provides reliable communications over time-and frequency-selective …

Bivariate pilot optimization for compressed channel estimation in RIS-assisted multiuser MISO-OFDM systems

R Jiang, Z Fei, S Huang, X Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In reconfigurable intelligent surface (RIS)-assisted wireless communication systems,
channel estimation is of paramount importance to unleash the full advantage of the high …

Pilot-assisted OFDM for underwater acoustic communication

M Murad, IA Tasadduq, P Otero - Journal of Marine Science and …, 2021 - mdpi.com
Multicarrier techniques have made it possible to wirelessly transmit data at higher rates for
underwater acoustic (UWA) communication. Several multicarrier techniques have been …

Development of OFDM technique for underwater communication in system on chip

M Asha, TP Surekha - … Journal of System Assurance Engineering and …, 2023 - Springer
This paper describes the hardware development of an underwater communication system
using FPGA technology. The hardware device involves implementation of high-performance …

Ciphered BCH Codes for PAPR Reduction in the OFDM in Underwater Acoustic Channels

M Murad, IA Tasadduq, P Otero - Journal of Marine Science and …, 2022 - mdpi.com
We propose an effective, low complexity and multifaceted scheme for peak-to-average
power ratio (PAPR) reduction in the orthogonal frequency division multiplexing (OFDM) …

Low complexity non-uniform fft for doppler compensation in ofdm-based underwater acoustic communication systems

HLN Thi, QK Nguyen, TH Nguyen - IEEE Access, 2022 - ieeexplore.ieee.org
The Doppler effect critically degrades the performance of orthogonal frequency division
multiplexing (OFDM) systems in general. This problem is significantly worse for underwater …

Real-time adaptive modulation schemes for underwater acoustic OFDM communication

S Barua, Y Rong, S Nordholm, P Chen - Sensors, 2022 - mdpi.com
Adaptive modulation received significant attention for underwater acoustic (UA)
communication systems with the aim of increasing the system efficiency. It is challenging to …

Deep learning-aided signal detection for two-stage index modulated universal filtered multi-carrier systems

R Jiang, Z Fei, S Cao, C Xue, M Zeng… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The growing interests in Internet of Underwater Things (IoUT) put forward more demands for
underwater acoustic (UWA) communication technologies. However, the conventional …

Joint compressed sensing and enhanced whale optimization algorithm for pilot allocation in underwater acoustic OFDM systems

R Jiang, X Wang, S Cao, J Zhao, X Li - IEEE Access, 2019 - ieeexplore.ieee.org
In underwater acoustic-orthogonal frequency division multiplexing (UWA-OFDM) systems,
the performance of channel estimation is significantly affected by pilot allocation in the …

Pilots based LSE channel estimation for underwater acoustic OFDM communication

M Murad, IA Tasadduq, P Otero - 2020 Global Conference on …, 2020 - ieeexplore.ieee.org
Underwater acoustic (UWA) communication techniques have gained popularity for wireless
communication in shallow and deep seas. Orthogonal frequency division multiplexing …