Performance Analysis of DF based Mixed Triple Hop RF-FSO-UWOC Cooperative System

Sarma, Pallab; Deka, Rima; Anees, Sanya

doi:10.1109/vtc2020-fall49728.2020.9348756

Cited by 13 publications

(4 citation statements)

References 15 publications

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“…• The cascaded RF-FSO-VLC link is proposed for investigated system performance. In this cascaded system, the RF link is designed by Nakagami-m distribution fading, while the FSO and VLC links are modeled by GG distribution fading within strong turbulence channel conditions • The outage probability of the system and BER performance of triple-hop RF-FSO-VLC underwater cooperative system is investigated [116] • [117] • [118] • [119] VOLUME 4, 2021…”

Section: Long Rangesmentioning

confidence: 99%

Recent Trends in Underwater Visible Light Communication (UVLC) Systems

2022

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In recent years, underwater visible light communication (UVLC) has become a potential wireless candidate for signal transmission in highly critical, unknown, and acrimonious water mediums such as oceans. Unfortunately, the oceans are the least explored reservoirs in oceano-geographical history. However, natural disasters have aroused significant interest in observation and monitoring oceanic environments for the last couple of decades. Therefore, UVLC has drawn attention as a reliable digital carrier and claims a futuristic optical media in the wireless communication domain. Counterparts of traditional communications, the green, clean and safe UVLC supports high capacity of data-rate and bandwidth with minimal delay. Nevertheless, over long ranges, the deployment of UVLC is challenging rather than terrestrial basis communication. Additionally, VLC systems suffer from signal attenuation and strong turbulence channel conditions. Due to the fact that, this study provides an exhaustive and comprehensive survey of recent advancements in UVLC implementations to cope with the optical signal propagation issues. In this regard, a wide detail summary and future perspectives of underwater optical signaling towards 5G networks along with the current project schemes, channel impairments, various optical signal modulation techniques, underwater sensor network architectures with energy harvesting approaches, hybrid communication possibilities, and the Internet of underwater things (IoUTs) are concluded in this research.

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Section: Long Rangesmentioning

confidence: 99%

Recent Trends in Underwater Visible Light Communication (UVLC) Systems

2022

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“…In [25], the asymptotic outage analysis and the secrecy outage performance analysis is carried out for a dual-hop RF/UWOC system. The authors in [26] have considered a DF relayed three-hop RF/FSO/UWOC system and evaluated the outage and error performance of the system. The RF, FSO, and UWOC links are modeled by Nakagami-m distribution, Double Generalized Gamma (DGG) distributed fading, and Rayleigh distributed pointing errors and Exponential Generalized Gamma (EGG) distribution, respectively.…”

Section: Introductionmentioning

confidence: 99%

An Insight to the Outage Performance of Multi-Hop Mixed RF/FSO/UWOC System

Alhashim,

Mayet,

Shukla

et al. 2023

Photonics

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In this paper, we investigate the outage performance of the three-hop mixed system integrating radio frequency (RF), free space optics (FSO), and under water optical communication (UWOC) system. The closed-form analytical expressions for the outage probability of the system are derived. In the considered system, the RF channel follows the Nakagami-m distribution, the FSO channel observes the Gamma-Gamma fading statistics, and the UWOC link experiences a mixture Exponential Generalized Gamma (EGG) fading distribution. To verify the derived analytical expressions, numerical simulations are also carried out, and we present the influence of the various link parameters such as path loss, atmospheric turbulence, pointing errors, angle-of-arrival fluctuations, water salinity, and scintillation on the performance of the decode and forward (DF) relayed multi-hop communication system.

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“…Based on the aforementioned defects resulting from the use of RF in underwater communication, the communication between the on-land and the underwater end terminals was not applicable. Therefore, the integration between RF and UOWC communication systems via relay has become indispensable [7][8][9][10][11][12]. In [7,8], the authors measured the performance of a mixed RF-UOWC transmission systems in terms of outage probability (OP), average bit error rate, and ergodic capacity (EC) for different systems models.…”

Section: Introductionmentioning

confidence: 99%

“…The authors in [11] study the performance of a dual-hop RF-UWOC transmission system in terms of OP and bit error rate under both fixed and variable gain relaying schemes in which different detection techniques are derived. The performance analysis of a decode-and-forward (DF) based triple hop radio frequency free space optical communication-underwater optical communication (RF-FSO-UWOC) system was discussed with closed-form expressions for OP and bit-error-rate in [12].…”

Section: Introductionmentioning

confidence: 99%

Performance Analysis of Dual-Hop Hybrid RF-UOWC NOMA Systems

Samir

Elsayed

El-Banna

et al. 2022

Sensors

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The hybrid combination between underwater optical wireless communication (UOWC) and radio frequency (RF) is a vital demand for enabling communication through the air–water boundary. On the other hand, non-orthogonal multiple access (NOMA) is a key technology for enhancing system performance in terms of spectral efficiency. In this paper, we propose a downlink NOMA-based dual-hop hybrid RF-UOWC with decode and forward (DF) relaying. The UOWC channels are characterized by exponential-generalized Gamma (EGG) fading, while the RF channel is characterized by Rayleigh fading. Exact closed-form expressions of outage probabilities and approximated closed-form expressions of ergodic capacities are derived, for each NOMA individual user and the overall system as well, under the practical assumption of imperfect successive interference cancellation (SIC). These expressions are then verified via Monte-Carlo simulation for various underwater scenarios. To gain more insight into the system performance, we analyzed the asymptotic outage probabilities and the diversity order. Moreover, we formulated and solved a power allocation optimization problem to obtain an outage-optimal performance. For the sake of comparison and to highlight the achievable gain, the system performance is compared against a benchmark orthogonal multiple access (OMA)-based system.

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Performance Analysis of DF based Mixed Triple Hop RF-FSO-UWOC Cooperative System

Cited by 13 publications

References 15 publications

Recent Trends in Underwater Visible Light Communication (UVLC) Systems

Recent Trends in Underwater Visible Light Communication (UVLC) Systems

An Insight to the Outage Performance of Multi-Hop Mixed RF/FSO/UWOC System

Performance Analysis of Dual-Hop Hybrid RF-UOWC NOMA Systems

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