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Underwater acoustic sensor networks (UASNs) are often used for environmental and industrial sensing in undersea/ocean space, therefore, these networks are also named underwater wireless sensor networks (UWSNs). Underwater sensor networks…

Networking and Internet Architecture · Computer Science 2019-03-26 Mohammad Sharif-Yazd , Mohammad Reza Khosravi , Mohammad Kazem Moghimi

Underwater acoustic (UWA) communication plays a key role in the process of exploring and studying the ocean. In this paper, a modified non-stationary wideband channel model for UWA communication in shallow water scenarios is proposed. In…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Xiuming Zhu , Cheng-Xiang Wang , Ruofei Ma

To improve the capacity and coverage of current cellular networks, many advanced technologies such as massive MIMO, inter-cell coordination, small cells, device-to-device communications, and so on, are under studying. Many proposed…

Information Theory · Computer Science 2013-11-13 Chunliang Yang

Optical wireless communication is a promising technology for underwater broadband access networks, which are particularly important for high-resolution environmental monitoring applications. This paper focuses on a deep sea monitoring…

Networking and Internet Architecture · Computer Science 2020-12-22 Yoshiaki Inoue , Takahiro Kodama , Tomotaka Kimura

Orbital angular momentum (OAM) mode multiplexing has the potential to achieve high spectrum-efficiency communications at the same time and frequency by using orthogonal mode resource. However, the vortex wave hollow divergence…

Information Theory · Computer Science 2024-08-05 Ruirui Chen , Wenchi Cheng , Jinyang Lin , Liping Liang

In this work, we present a unified framework for the performance analysis of dual-hop underwater wireless optical communication (UWOC) systems with amplify-and-forward fixed gain relays in the presence of air bubbles and temperature…

Information Theory · Computer Science 2020-07-08 Emna Zedini , Abla Kammoun , Hamza Soury , Mounir Hamdi , Mohamed-Slim Alouini

Optical wireless communication (OWC) covering an ultra-wide range of unlicensed spectrum has emerged as an extent efficient solution to mitigate conventional RF spectrum scarcity ranging from communication distances from nm to several…

Information Theory · Computer Science 2020-12-02 Abu Jahid , Mohammed H. Alsharif , Trevor J. Hall

This paper proposes the Mobile Cell (MC) concept for on-demand 5G private networks. The MC is designed to extend, restore, and reinforce 5G wireless coverage and network capacity on-demand, especially in areas with temporary communications…

Networking and Internet Architecture · Computer Science 2024-11-18 André Coelho , José Ruela , Gonçalo Queirós , Ricardo Trancoso , Paulo Furtado Correia , Filipe Ribeiro , Helder Fontes , Rui Campos , Manuel Ricardo

The next generation of wireless communication systems will integrate terrestrial and non-terrestrial networks targeting to cover the undercovered regions, especially connecting the marine activities. Unmanned aerial vehicles (UAVs) based…

Signal Processing · Electrical Eng. & Systems 2022-06-08 Muhammad Waseem Akhtar , Nasir Saeed

The underlying waveform has always been a shaping factor for each generation of the cellular networks, such as orthogonal frequency division multiplexing (OFDM) for the 4th generation cellular networks (4G). To meet the diversified and…

Information Theory · Computer Science 2015-09-01 Xi Zhang , Ming Jia , Lei Chen , Jianglei Ma , Jing Qiu

On the contrary of low speed and high delay acoustic systems, underwater optical wireless communication (UOWC) can deliver a high speed and low latency service at the expense of short communication ranges. Therefore, multihop communication…

Networking and Internet Architecture · Computer Science 2024-12-20 Abdulkadir Celik , Nasir Saeed , Basem Shihada , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Integrated sensing and communication (ISAC) technology is crucial for next-generation underwater networks. However, covering multiple users and targets and balancing sensing and communication performance in complex underwater acoustic (UWA)…

Networking and Internet Architecture · Computer Science 2025-12-16 Wei Men , Longfei Zhao , Yong Liang Guan , Xiangwang Hou , Yong Ren , Dusit Niyato

Maritime activities represent a major domain of economic growth with several emerging maritime Internet of Things use cases, such as smart ports, autonomous navigation, and ocean monitoring systems. The major enabler for this exciting…

Networking and Internet Architecture · Computer Science 2022-09-21 Nikolaos Nomikos , Panagiotis K. Gkonis , Petros S. Bithas , Panagiotis Trakadas

The upper mid-band - roughly from 7 to 24 GHz - has attracted considerable recent interest for new cellular services. This frequency range has vastly more spectrum than the highly congested bands below 7 GHz while offering more favorable…

This paper proposes an algorithm to search a family of multiple sets of minimum correlated one dimensional uni-polar (optical) orthogonal codes (1-DUOC) or optical orthogonal codes (OOC) with fixed as well as variable code parameters. The…

Information Theory · Computer Science 2024-11-12 Ram Chandra Singh Chauhan , Yatindra Nath Singh , Rachna Asthana

This paper presents an analysis of the performance of a Gaussian optical beam as it propagates through the turbulent underwater optical channel (UWOC) under the weak turbulence regime, where optical signal experiences significant fading and…

Optics · Physics 2025-12-03 Shideh Tayebnaimi , Kamran Kiasaleh

Cellular networks of massive MIMO base-stations employing TDD/OFDM and relying on uplink training for both downlink and uplink transmission are viewed as an attractive candidate for 5G deployments, as they promise high area spectral and…

Information Theory · Computer Science 2018-11-07 Zekun Zhang , Chenwei Wang , Haralabos Papadopoulos

Underwater observatories have recently emerged as an efficient solution for marine biodiversity monitoring. The primary objective of this work is to enable efficient and cost-effective data muling from underwater sensors by investigating…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Mohamed Nennouche , Mohammad-Ali Khalighi , Alexis Alfredo Dowhuszko , Djamal Merad

The challenge for next-generation underwater optical wireless communication systems is to develop optical transceivers that can operate with low power consumption by maximizing the transmission capacity according to the transmission…

Information Theory · Computer Science 2021-03-23 T. Kodama , M. Aizat , F. Kobori , T. Kimura , Y. Inoue , M. Jinno

In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is systematically carried out with the aim to support data rates…