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Dual-Hop FSO Transmission Systems Over Gamma–Gamma Turbulence With Pointing Errors

Emna Zedini, Hamza Soury, Mohamed-Slim Alouini
2017 IEEE Transactions on Wireless Communications  
in the presence of atmospheric turbulence as well as pointing errors.  ...  By using dual-hop FSO relaying, we demonstrate a better system performance as compared to the single FSO link.  ...  Fig. 5 5 presents the average BER of dual-hop FSO IM/DD systems with OOK as well as dual-hop FSO heterodyne systems using different modulation schemes for strong pointing error ξ = ( Fig. 5 : 5 Average  ... 
doi:10.1109/twc.2016.2630680 fatcat:yom5hfypgbhrzf2ekoqmdjlavu

On the Performance Analysis of Dual-Hop Mixed FSO/RF Systems

Emna Zedini, Hamza Soury, Mohamed-Slim Alouini
2016 IEEE Transactions on Wireless Communications  
This paper presents novel results for the performance analysis of dual-hop free-space optical/radio frequency (FSO/RF) transmission systems where the FSO link is modeled by the Gamma-Gamma distribution  ...  Index Terms-Dual-hop relaying, free-space optics (FSO), pointing errors, Gamma-Gamma, Generalized Nakagami-m, outage probability, average bit-error rate (BER), ergodic capacity.  ...  CHANNEL AND SYSTEM MODELS We consider a dual-hop FSO/RF transmission system composed of both Gamma-Gamma with pointing errors and Generalized Nakagami-m fading environments under both types of detection  ... 
doi:10.1109/twc.2016.2524685 fatcat:5ib6cucgmvdqxjkec5gfywn5p4

Performance analysis of dual-hop optical wireless communication systems over k-distribution turbulence channel with pointing error [article]

Neha Mishra, D. Sriram Kumar, Pranav Kumar Jha
2017 arXiv   pre-print
In this paper, we investigate the performance of the dual-hop free space optical (FSO) communication systems under the effect of strong atmospheric turbulence together with misalignment effects (pointing  ...  The atmospheric turbulence channels are modeled by k-distribution with pointing error impairment.  ...  SYSTEM MODEL AND CHANNEL MODEL System Model In this paper we consider a dual-hop FSO system as shown in figure 1.  ... 
arXiv:1709.05490v1 fatcat:rotyqp6uebe73czn5nlegxifuy

Performance Analysis of Asymmetric RF/FSO Dual-Hop Relaying Systems for UAV Applications

Jaedon Park, Eunju Lee, Guisoon Park, Bongsoo Roh, Giwan Yoon
2013 MILCOM 2013 - 2013 IEEE Military Communications Conference  
Particularly, we derive the average probability of error as well as ergodic capacity upper bound of the asymmetric RF/FSO dual-hop relaying system, in closed-forms.  ...  In this paper, we analyze the performance of a dual-hop relaying system composed of asymmetric radio frequency (RF) and free-space optics (FSO) (RF/FSO) links.  ...  The above derivation result is exactly the same as the dual-hop RF transmissions with Rayleigh fading distributions [1] .  ... 
doi:10.1109/milcom.2013.280 dblp:conf/milcom/ParkLPRY13 fatcat:4er3rzgozjg77pdms2dyufbzny

Unified performance analysis of mixed line of sight RF-FSO fixed gain dual-hop transmission systems

Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
2015 2015 IEEE Wireless Communications and Networking Conference (WCNC)  
Index Terms-Asymmetric dual-hop relay system, Free-space optical (FSO) communications, mixed radio frequency (RF)/FSO systems, Nakagami-m fading, atmospheric turbulence, pointing errors, outage probability  ...  In this work, we carry out a unified performance analysis of a dual-hop fixed gain relay system over asymmetric links composed of both radio-frequency (RF) and unified freespace optics (FSO) under the  ...  in agreement with the CDF of the hybrid Rayleigh/FSO fixed gain dual hop transmission systems with pointing errors presented in [17, Eq.(2)].  ... 
doi:10.1109/wcnc.2015.7127443 dblp:conf/wcnc/ZediniAA15 fatcat:gajjuzp4fvahbnx7zol737epja

On the performance of a mixed RF/MIMO FSO variable gain dual-hop transmission system

Liqiang Han, Hongbing Jiang, Yahui You, Zabih Ghassemlooy
2018 Optics Communications  
In this work, we propose a mixed radio frequency (RF) and multiple-input-multiple-output (MIMO) free-space optical (FSO) system based on a variable-gain dual-hop relay transmission scheme.  ...  The RF channel is modeled by Rayleigh distribution and Gamma-Gamma turbulence distribution is adopted for the MIMO FSO link, which accounts for the equal gain combining diversity technique.  ...  In [15] , a variable-gain dual-hop relay based RF/FSO system was proposed, where the impact of pointing errors for the heterodyne detection and the IM/DD technique was investigated.  ... 
doi:10.1016/j.optcom.2018.03.033 fatcat:pa77527bufh6rgd4q7afkawzlm

Unified Performance Analysis of Mixed Line of Sight RF-FSO Fixed Gain Dual-Hop Transmission Systems [article]

Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
2014 arXiv   pre-print
In this work, we carry out a unified performance analysis of a dual-hop fixed gain relay system over asymmetric links composed of both radio-frequency (RF) and unified free-space optics (FSO) under the  ...  effect of pointing errors.  ...  in agreement with the CDF of the hybrid Rayleigh/FSO fixed gain dual hop transmission systems with pointing errors presented in [17, Eq.(2)].  ... 
arXiv:1404.1269v1 fatcat:jb6otjzdvzg3rn2przsl4h5sd4

Multihop Free-Space Optical Communications Over Strong Turbulence Channels

Theodoros Tsiftsis, Harilaos Sandalidis, George Karagiannidis, Nikos Sagias
2006 2006 IEEE International Conference on Communications  
The average bit-error probability of a dual-hop FSO system employing a DF relay is studied as a special case.  ...  In this paper, we study the performance of multihop free-space optical (FSO) wireless systems over turbulenceinduced fading channels.  ...  A SPECIAL CASE: AVERAGE BER FOR DUAL-HOP FSO SYSTEMS WITH DF RELAYS In this section, the average BER for a dual-hop FSO system with DF relay over independent and identically distributed (i.i.d.)  ... 
doi:10.1109/icc.2006.255196 dblp:conf/icc/TsiftsisSKS06 fatcat:kkrlugikvjdjzbqrarex7k4sfa

Error Performance of a Cooperative Diversity Mixed FSO/RF System over Gamma-Gamma and Nakagami-M Fading Channels

Kehinde O. Odeyemi, Department of Electrical and Electronic Engineering, Faculty of Technology, University of Ibadan, Nigeria, Pius A. Owolawi
2019 Journal of Communications  
In this paper, we present the error performance of a cooperative diversity AF-based mixed FSO/RF system with direct link over induced-fading channels.  ...  Atmospheric induced-turbulence is the major challenge suffers by the free space optical (FSO) communication systems in practical deployment.  ...  Most of the previous researches focused on dual-hop mixed RF/FSO relay systems whereby a single AF or DF relay node is used between the source and the destination over different channel models.  ... 
doi:10.12720/jcm.14.8.669-675 fatcat:tbyqts4m3bgsxmsltlwdb7gvmq

On Secrecy Analysis of DF based Dual Hop Mixed RF-FSO Systems

Xiaojun Pan, Honglin Ran, Gaofeng Pan, Yiyuan Xie, Jiliang Zhang
2019 IEEE Access  
Considering atmospheric turbulence, pointing errors, two types of detection techniques, and decode-and-forward scheme, the closed-form expressions for the lower bound of secrecy outage probability and  ...  It is further assumed that the radio frequency (RF) and FSO links experience Rayleigh and Gamma-Gamma fading, respectively.  ...  As the FSO channel is modeled by a Gamma-Gamma process with pointing errors, the PDF of the instantaneous SNR, γ k , can be expressed as [25] f γ k (γ ) = ξ 2 rγ (α) (β) G 3,0 1,3 hαβ γ u r 1 r ξ 2  ... 
doi:10.1109/access.2019.2914227 fatcat:fnmo2mjnz5elll7exfpryvh2w4

Multihop Relaying Over IM/DD FSO Systems With Pointing Errors

Emna Zedini, Mohamed-Slim Alouini
2015 Journal of Lightwave Technology  
detection technique over Gamma-Gamma turbulence fading with pointing error impairments is studied.  ...  The obtained results indicate that the overall system performance degrades with an increase of the number of hops.  ...  a dual-hop mixed RF/FSO transmission system with pointing errors taken into account.  ... 
doi:10.1109/jlt.2015.2492244 fatcat:gjaacicyvzc3bd6pkiu5oabluq

A Survey on Recent Work in Hybrid FSO/RF Communication Link

Navdeep Kaur et al., Navdeep Kaur et al.,
2019 International Journal of Electronics Communication & Instrumentation Engineering Research and Development  
However, simple FSO system faces a drawback of loss of data when transmitted through turbulent atmosphere.  ...  Hybrid FSO/RF) is utilized to provide the information at the receiver. This system provides high bandwidth with unlicensed frequencies along with high speed communication of data.  ...  -Nasab et al., (2015) analyzed [12]d RF/ FSO system with generalized gamma turbulence with pointing error and Nakagami -m fading.Closed form expression for outage probability and bit error probability  ... 
doi:10.24247/ijecierdjun20194 fatcat:7dho3stlsjclfhqejqnkrdtyb4

Performance Analysis of Mixed Nakagami- $m$ and Gamma–Gamma Dual-Hop FSO Transmission Systems

Emna Zedini, Imran Shafique Ansari, Mohamed-Slim Alouini
2015 IEEE Photonics Journal  
Index Terms: Free-space optics (FSO), mixed RF/FSO systems, nakagami-m fading, atmospheric turbulence, pointing errors, outage probability (OP), bit error rate (BER), ergodic capacity, Meijer's G function  ...  In this paper, we carry out a unified performance analysis of a dual-hop relay system over the asymmetric links composed of both radio-frequency (RF) and unified free-space optical (FSO) links under the  ...  : (24) For m ¼ 1, as a special case, we get the BER of the mixed Rayleigh-FSO fixed gain dual hop transmission systems with pointing errors given in [17, Eq. (11) ].  ... 
doi:10.1109/jphot.2014.2381657 fatcat:rnvu4fdfdfhcddcwv6vm33bpxa

ON THE PERFORMANCE OF RECONFIGURABLE INTELLIGENT SURFACE IN COOPERATIVE DECODE-AND-FORWARD RELAYING FOR HYBRID RF/FSO SYSTEMS

Kehinde Oluwasesan Odeyemi, Pius Adewale Owolawi, Oladayo O. Olakanmi
2022 Progress In Electromagnetics Research M  
In this network, the RF links in the system are assumed to follow Nakagami-m distributions while the FSO link is subjected to Gamma-Gamma distribution.  ...  transmission of information occurs on the system downlink.  ...  Impact of pointing errors on the system error rate under strong turbulence at γ th = 5 dB and γ1 = 15 dB. degrades as the pointing error gets severe.  ... 
doi:10.2528/pierm22020601 fatcat:phb4wg55hvct3akx4ddgolsgzi

On the Performance of Dual-Hop Systems over Mixed FSO/mmWave Fading Channels [article]

Yan Zhang, Jiayi Zhang, Liang Yang, Bo Ai, Mohamed-Slim Alouini
2020 arXiv   pre-print
In this paper, we investigate the end-to-end performance of dual-hop mixed FSO/mmWave systems to address this combined use.  ...  The FSO link is modeled as a Gamma-Gamma fading channel using both heterodyne detection and indirect modulation/direct detection with pointing error impairments, while the mmWave link experiences the fluctuating  ...  and the mmWave link experience Gamma-Gamma atmospheric turbulence with pointing errors taken into account Ergodic capacity of a dual-hop mixed FSO/mmWave system using fixed-gain AF relaying for strong  ... 
arXiv:2004.05540v1 fatcat:ppb5rynakzakfg7asyjp4bhdke
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