Secrecy performance of cognitive underlay hybrid RF/FSO system under pointing errors and link blockage impairments

Odeyemi, Kehinde O.; Owolawi, Pius A.; Olakanmi, Oladayo Olufemi

doi:10.1007/s11082-020-02313-9

Cited by 16 publications

(14 citation statements)

References 29 publications

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“…The study of ergodic capacity of FSO channels is carried out in [234]- [236], [280]- [285] for the cases of Gamma-Gamma, Rayleigh, Nakagami-m, Malaga, Rician and log-normal fading taken into consideration of AWGN model for the receiver noise. On the other hand, the outage probability [123], [234]- [236], [238], [239], [256], [257], [274]- [276], [280]- [294], bit error rate analysis [104], [105], [234], [236], [239], [256], [257], [274]- [276], [281]- [285], [288], [289], [291], [292], [294]- [300], and throughput performance [104], [105], [235], [236], [273], [275], [286], [287], [293], [295]- [298], [301]- [303] are studied considering the mentioned fading models with AWGN.…”

Section: E Fso Channel Modelingmentioning

confidence: 99%

“…Hybrid RF/FSO improve the link reliability for long distance communication. Extensive simulation is conducted to evaluate SINR, BER taking into account of limiting factors under different network scenarios [235]- [239], [242], [285], [293], [294], [297], [300], [301], [303], [385] Acoustics UWC/FSO High bit rate, link reliability enhancement Based on the link distance, oceanic turbulence induced scintillation and misalignment in underwater links, and pointing, acquisition, and tracking (PAT) establishment, LOS/NLOS condition, a UWC/FSO system is established for reliable communication [142], [143], [145], [273], [275], [388] Fig. 11: Simplified Block Diagram of RoFSO System.…”

Section: J Hybrid Fsomentioning

confidence: 99%

See 1 more Smart Citation

A contemporary survey on free space optical communication: Potentials, technical challenges, recent advances and research direction

Jahid

Alsharif

Hall

2022

Journal of Network and Computer Applications

140

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Section: E Fso Channel Modelingmentioning

confidence: 99%

Section: J Hybrid Fsomentioning

confidence: 99%

A contemporary survey on free space optical communication: Potentials, technical challenges, recent advances and research direction

Jahid

Alsharif

Hall

2022

Journal of Network and Computer Applications

140

View full text Add to dashboard Cite

“…The future work will focus on pinpointing the best parameters for different seasons and locations and then developing an adaptive algorithm to achieve optimum performance in various weather conditions. This hybrid RF/FSO system in [198], transmits private information over two independent parallel links at the same time, which are FSO and RF links to a receiver. However, a vicious eavesdropper is trying to hijack the RF link.…”

Section: Hybrid Fso Networkmentioning

confidence: 99%

“…Monte-Carlo [182,192,198,228,229,239] Matlab [198,199,230,244] DC Bias [191,207] Table 7. Summary of fading distribution used in FSO and RF links.…”

Section: Refmentioning

confidence: 99%

A Survey of Hybrid Free Space Optics (FSO) Communication Networks to Achieve 5G Connectivity for Backhauling

Aboelala

Lee

Chung

2022

Entropy

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Increased capacity, higher data rate, decreased latency, and better service quality are examples of the primary objectives or needs that must be catered to in the near future, i.e., fifth-generation (5G) and beyond. To fulfil these needs, cellular network design must be drastically improved. The 5G cellular network design, huge multiple-input multiple-output (MIMO) technology, and device-to-device communication are all highlighted in this comprehensive study. Hence, free-space optics (FSO) is a promising solution to address this field. However, FSO standalone is insufficient during turbulent weather conditions. FSO systems possess some limitations, such as being able to be disturbed by any interference between sender and receiver such as a flying bird and a tree, as it requires line-of-sight (LOS) connectivity. Moreover, it is sensitive to weather conditions; the FSO performance significantly decreases in bad weather conditions such as fog and snow; those factors deteriorate the performance of FSO. This paper conducts a systematic survey on the existing projects in the same area of research such as the hybrid FSO/Radio frequency (RF) communication system by listing each technique used for each model to achieve optimum performance in terms of data rate and Bit Error Rate (BER) to be implemented in 5G networks.

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“…In [9], the author proposed a mixed SIMO SWIPT RF and FSO fixed-gain relaying system, analyzed the security issues in the case of an energy harvester acting as an eavesdropper, and derived the SOP and ASC. Odeyemi et al proposed a cognitivebased mixed system where the RF links suffered from the Rayleigh fading and the FSO link experienced the Gamma-Gamma fading, and derived the SOP and ASC [10].…”

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confidence: 99%

On Secrecy Performance of Mixed RF-FSO Systems With a Wireless-Powered Friendly Jammer

2022

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This paper presents a study of the physical layer security performance of a mixed radio frequency-free space optical (RF-FSO) system with a wireless-powered friendly jammer. The RF links undergo the Nakagami-m fading, and the FSO link experiences the Exponentiated Weibull (EW) distribution. A twohop decode-and-forward (DF) relay is present in the system. A single-antenna eavesdropper located on the RF link attempts to eavesdrop on the channel transmission information. There is a nearby multi-antenna jammer that can be charged wirelessly, and a save-then-transmit (ST) protocol is introduced in the jammer. The closed expressions for the secrecy outage probability (SOP) and the average secrecy capacity (ASC) of the mixed RF-FSO system are derived, and the correctness of the expressions is verified using the Monte-Carlo method. The influence of various key factors on the secrecy performance of the system is analyzed by simulations. The results show that increasing the average interference noise ratio, the number of interferer antennas, the time block allocation factor, and the size of the receiving aperture has a significant effect on the secrecy performance. This study provides a new system structure and a good theoretical basis for evaluating the physical layer security performance of mixed RF-FSO systems.Index Terms-RF/FSO, physical layer security, wireless powered jammer, save-then-transmit protocol I. INTRODUCTION he rapid development of wireless communication is leading to an accelerated growth in the demand for wireless communication equipment. Consequently, the problem of spectrum scarcity is getting more and more attention. Compared to radio frequency (RF), free-space optical (FSO) communication also known as the atmospheric optical communication [1] is highly directional and secure, free from interference caused by frequencies and adjacent bands, and has the advantages of free licenses, low cost and high bandwidth. However, it is susceptible to pointing errors and various environmental factors, and is not suitable for long-distance communication [2] [3].Mixed radio frequency-free space optical (RF-FSO) systems have been proposed in search of complementarity. The

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Secrecy performance of cognitive underlay hybrid RF/FSO system under pointing errors and link blockage impairments

Cited by 16 publications

References 29 publications

A contemporary survey on free space optical communication: Potentials, technical challenges, recent advances and research direction

A contemporary survey on free space optical communication: Potentials, technical challenges, recent advances and research direction

A Survey of Hybrid Free Space Optics (FSO) Communication Networks to Achieve 5G Connectivity for Backhauling

On Secrecy Performance of Mixed RF-FSO Systems With a Wireless-Powered Friendly Jammer

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