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Statistical Studies of Fading in Underwater Wireless Optical Channels in the Presence of Air Bubble, Temperature, and Salinity Random Variations (Long Version) [article]

Mohammad Vahid Jamali, Ali Mirani, Alireza Parsay, Bahman Abolhassani, Pooya Nabavi, Ata Chizari, Pirazh Khorramshahi, Sajjad Abdollahramezani, and Jawad A. Salehi
2018 arXiv   pre-print
In this paper, we experimentally study the statistical distribution of intensity fluctuations in underwater wireless optical channels with random temperature and salinity variations as well as the presence  ...  of air bubbles.  ...  Statistical Studies of Fading in Underwater Wireless Optical Channels in the Presence of Air Bubble, Temperature, and Salinity Random Variations (Long Version) Mohammad Vahid Jamali, Ali Mirani, Alireza  ... 
arXiv:1801.07402v2 fatcat:uazr4t4kivdzberkfxssv7e34m

The effect of turbulence on NLOS underwater wireless optical communication channels [Invited]

Mohammed Sait, Xiaobin Sun, Omar Alkhazragi, Nasir Alfaraj, Meiwei Kong, Tien Khee Ng, Boon S. Ooi
2019 Chinese Optics Letters (COL)  
This Letter experimentally and statistically studies the impact of turbulence that arises from temperature gradient variations and the presence of different air bubble populations on NLOS optical channels  ...  Conventional line-of-sight underwater wireless optical communication (UWOC) links suffer from huge signal fading in the presence of oceanic turbulence due to misalignment, which is caused by variations  ...  Moreover, the study in Ref. [9] experimentally investigated the statistical distribution of intensity fluctuation in the UWOC channel under the presence of bubbles and salinityinduced fading.  ... 
doi:10.3788/col201917.100013 fatcat:4kcsfd533nfkhouo6blrmofcf4

Statistical Distribution of Intensity Fluctuations for Underwater Wireless Optical Channels in the Presence of Air Bubbles [article]

Mohammad Vahid Jamali, Pirazh Khorramshahi, Arvin Tashakori, Ata Chizari, Shadi Shahsavari, Sajjad AbdollahRamezani, Masoome Fazelian, Sima Bahrani, Jawad A. Salehi
2016 arXiv   pre-print
In this paper, we experimentally investigate the statistical distribution of intensity fluctuations for underwater wireless optical channels under different channel conditions, namely fresh and salty underwater  ...  channels with and without air bubbles.  ...  It is worth mentioning that since many of underwater vehicles, divers and submarines generate air bubbles, study on the intensity fluctuations due to the presence of air bubbles has significant importance  ... 
arXiv:1603.04020v1 fatcat:iiaybcou2vg3rgjcwhofrb4vgi

Unified Statistical Channel Model for Turbulence-Induced Fading in Underwater Wireless Optical Communication Systems [article]

Emna Zedini, Hassan M. Oubei, Abla Kammoun, Mounir Hamdi, Boon S. Ooi,, Mohamed-Slim Alouini
2018 arXiv   pre-print
A unified statistical model is proposed to characterize turbulence-induced fading in underwater wireless optical communication (UWOC) channels in the presence of air bubbles and temperature gradient for  ...  To the best of our knowledge, this is the first-ever comprehensive channel model addressing the statistics of optical beam irradiance fluctuations in underwater wireless optical channels due to both air  ...  The presence of air bubbles in underwater and their effect on propagating optical signals are well established [16] - [18] .  ... 
arXiv:1810.06314v1 fatcat:qnhtsd4i4fesfpbacbi2fj7m3q

Unified Statistical Channel Model for Turbulence-Induced Fading in Underwater Wireless Optical Communication Systems

Emna Zedini, Hassan Makine Oubei, Abla Kammoun, Mounir Hamdi, Boon S. Ooi, Mohamed-Slim Alouini
2019 IEEE Transactions on Communications  
A unified statistical model is proposed to characterize turbulence-induced fading in underwater wireless optical communication (UWOC) channels in the presence of air bubbles and temperature gradient for  ...  To the best of our knowledge, this is the first-ever comprehensive channel model addressing the statistics of optical beam irradiance fluctuations in underwater wireless optical channels due to both air  ...  Abstract-A unified statistical model is proposed to characterize turbulence-induced fading in underwater wireless optical communication (UWOC) channels in the presence of air bubbles and temperature gradient  ... 
doi:10.1109/tcomm.2019.2891542 fatcat:x6g6i6zicbhwdfgiyg6x3jchye

Statistical Modeling of the Impact of Underwater Bubbles on an Optical Wireless Channel

Myoungkeun Shin, Ki-Hong Park, Mohamed-Slim Alouini
2020 IEEE Open Journal of the Communications Society  
In underwater wireless optical communications (UWOC), the random obstruction of light propagation by air bubbles can cause fluctuations in the incoming light intensity of a receiver.  ...  Furthermore, we also construct a statistical model of the received power with complete blockage in the presence of air bubbles and we derive the distribution of the composite channel model combining the  ...  The remainder of this paper is organized as follows. In Section II, we present the setup of the statistical model induced by air bubbles in underwater optical wireless channels.  ... 
doi:10.1109/ojcoms.2020.3003742 fatcat:zf4jc5ifkbgophstbyne7mqaze

A Review on Practical Considerations and Solutions in Underwater Wireless Optical Communication

Xiaobin Sun, Boon S. Ooi, Chun Hong Kang, Meiwei Kong, Omar Alkhazragi, Yujian Guo, Mustapha Ouhssain, Yang Weng, Burton Jones, Tien Khee Ng
2019 Journal of Lightwave Technology  
Underwater wireless optical communication (UWOC) has attracted increasing interest in various underwater activities because of its order-of-magnitude higher bandwidth compared to acoustic and radio-frequency  ...  In particular, oceanic turbulence, which induces scintillation and misalignment in underwater links, is one of the key factors in degrading UWOC performance.  ...  gradient changes in temperature and salinity, and by air bubbles in the water channel [72] - [74] .  ... 
doi:10.1109/jlt.2019.2960131 fatcat:rl5uthwe2zhihbt55yz4sb2kwe

Performance Enhancement Scheme for RSE-Based Underwater Optical Camera Communication Using De-Bubble Algorithm and Binary Fringe Correction

Zihao Zhou, Shangsheng Wen, Yue Li, Wenxi Xu, Zhijian Chen, Weipeng Guan
2021 Electronics  
However, the existence of underwater bubbles and suspended impurities will greatly decrease the signal quality.  ...  Optical camera communications (OCC) has been growing rapidly in recent years, which offers a flexible and low-cost way to achieve underwater wireless optical communication (UWOC).  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/electronics10080950 fatcat:6nlqr7uebbfjziqggwa77e2kdi

Impact of Turbulent-Flow-Induced Scintillation on Deep-Ocean Wireless Optical Communication

Yang Weng, Yujian Guo, Omar Alkhazragi, Tien Khee Ng, Jen-Hwa Guo, Boon S. Ooi
2019 Journal of Lightwave Technology  
However, studies on scintillation have been limited to emulating channels with uniform temperature and salinity gradients, rather than incorporating the effects of turbulent motion.  ...  With the recent innovations in underwater wireless optical communication (UWOC) for deep-sea exploration, UWOC could be used in conjunction with AUVs for high-speed data uploads near the surface.  ...  [13] and Oubei et al. [14] - [16] have studied the underwater turbulence introduced by air bubbles, temperature, and salinity.  ... 
doi:10.1109/jlt.2019.2928465 fatcat:637uh4xsyfgcddrb3uv3d6ziw4

Statistical Modeling of the Impact of Underwater Bubbles on an Optical Wireless Channel [article]

Myoungkeun Shin, Ki-Hong Park, Mohamed-Slim Alouini
2020 arXiv   pre-print
In underwater wireless optical communications (UWOC), the random obstruction of light propagation by air bubbles can cause fluctuations in the incoming light intensity of a receiver.  ...  Furthermore, we also construct a statistical model of the received power with complete blockage in the presence of air bubbles and we derive the distribution of the composite channel model combining the  ...  The remainder of this paper is organized as follows. In Section II, we present the setup of the statistical model induced by air bubbles in underwater optical wireless channels.  ... 
arXiv:2006.12787v1 fatcat:khjfrftzinfx7j2j3jfmguhkja

Physical-Layer Security for Two-Hop Air-to-Underwater Communication Systems With Fixed-Gain Amplify-and-Forward Relaying [article]

Yi Lou, Ruofan Sun, Julian Cheng, Songzuo Liu, Feng Zhou, Gang Qiao
2020 arXiv   pre-print
Further, we thoroughly investigate the effect of levels of air bubbles and temperature gradients in the UWOC channel, and study nonlinear characteristics of the transmission medium and the number of multipath  ...  The UWOC channel is modeled using a unified mixture exponential-generalized Gamma distribution to consider the combined effects of air bubbles and temperature gradients on transmission characteristics.  ...  This is because the generation and break-up of the air bubbles in the UWOC channels causes dramatic and random fluctuations of the underwater optical signals, which can significantly deteriorate the secrecy  ... 
arXiv:2009.09550v1 fatcat:2zj64annmfbrdhwglnzqmt4xbe

Cellular Underwater Wireless Optical CDMA Network: Potentials and Challenges

Farhad Akhoundi, Mohammad Vahid Jamali, Navid Bani Hassan, Hamzeh Beyranvand, Amir Minoofar, Jawad A. Salehi
2016 IEEE Access  
Moreover, Dong et al. succeeded to present a closed-form expression of double Gamma function to model the channel impulse response in the presence of absorption and scattering effects [6] .  ...  Underwater wireless optical communications are an emerging solution to the expanding demand for broadband links in oceans and seas.  ...  These random variations in underwater medium mainly result from fluctuations in temperature and salinity and will cause fading on the received optical signal [10] .  ... 
doi:10.1109/access.2016.2593398 fatcat:6wocpv5r5bgfjntweztbccxtyu

Underwater Wireless Sensor Networks: A survey on enabling technologies, localization protocols, and Internet of Underwater Things

Mohammed Jouhari, Khalil Ibrahimi, Hamidou Tembine, Jalel Ben-Othman
2019 IEEE Access  
These latter are salinity, temperature, pressure, depth of transceivers, and the environment geometry.  ...  Also, in case of node failure or channel condition variation, the network should be able to reconfigure itself to maintain its operation.  ...  salinity (in parts/1000), T is the temperature (in • C) and z is depth (in m).  ... 
doi:10.1109/access.2019.2928876 fatcat:pdkz3t3lzfdzfplk5muyjbjeiy

Performance Analysis for Cooperative Communication System in Optical IoUT Network with HDAF Strategy

Shuang Li, Ping Wang, Weina Pang, Wei Wang, Lixin Guo
2021 IEEE Photonics Journal  
So far, various statistical distributions for the turbulenceinduced fading have been presented to describe the intensity fluctuations of optical beams in the presence of temperature, salinity, and air  ...  In this work, a cooperative optical Internet of Underwater Things (IoUT) system with hybrid decode-amplify-forward (HDAF) strategy is first proposed and investigated over the aggregated underwater wireless  ...  This is because the mixed EGG distribution is a comprehensive channel model, in which the effects of air bubbles and temperature gradient are comprehensively included [52] .  ... 
doi:10.1109/jphot.2021.3085681 fatcat:fl5ombkv6na3tejywzw3l6zqvm

Underwater Optical Wireless Communication Systems: A Concise Review [chapter]

Lydia K. Gkoura, George D. Roumelas, Hector E. Nistazakis, Harilaos G. Sandalidis, Alexander Vavoulas, Andreas D. Tsigopoulos, George S. Tombras
2017 Turbulence Modelling Approaches - Current State, Development Prospects, Applications  
The present work summarizes the recent advances in channel modeling and system analysis and design in the area of UOWC.  ...  Underwater optical wireless communications (UOWC) have gained a considerable interest during the last years as an alternative means for broadband inexpensive submarine communications.  ...  In the case of underwater systems, these fluctuations are mainly caused by variations in temperature and salinity of the oceanic water.  ... 
doi:10.5772/67915 fatcat:imefr375fvg6dorcr32umwfkvi
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