All-Optical FSO Relaying Under Mixture-Gamma Fading Channels and Pointing Errors
Sign Up to like & getrecommendations! Published in 2019 at "Wireless Personal Communications"
DOI: 10.1007/s11277-018-6050-5
Abstract: The performance of all-optical dual-hop relayed free-space optical communication systems is analytically studied and evaluated. We consider the case when the total received signal undergoes turbulence-induced channel fading, modeled by the versatile mixture-Gamma distribution. Also,… read more here.
Keywords: pointing errors; fso relaying; optical fso; mixture gamma ... See more keywords
Impact of pointing errors on the SER performance of free space optical communication system with two decision thresholds over exponentiated Weibull fading channels
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.04.049
Abstract: Abstract The impact of pointing errors on the symbol error rate (SER) performance of multiple pulse-position modulation (MPPM) free space optical (FSO) system with optimized decision threshold (ODT) and dynamic decision threshold (DDT) is investigated… read more here.
Keywords: decision; ser performance; system; impact pointing ... See more keywords
On the performance of optical wireless communication links impaired by time jitter, M-turbulence and pointing errors
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126033
Abstract: Abstract The interest for the optical wireless communication systems increases significantly the last years due to the very high advantages of this technology. More specifically, the FSO links can achieve very high data rate and… read more here.
Keywords: time jitter; communication; turbulence; pointing errors ... See more keywords
New Results for the Pointing Errors Model in Two Asymptotic Cases
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2023.3275578
Abstract: Several precise and computationally efficient results for pointing errors models in two asymptotic cases are derived in this paper. The normalized mean-squared error (NMSE) performance metric is employed to quantify the accuracy of different models.… read more here.
Keywords: results pointing; pointing errors; two asymptotic; model ... See more keywords
Secrecy Capacity of IRS-Assisted Terahertz Wireless Communications With Pointing Errors
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2023.3246169
Abstract: This letter considers an intelligent reflecting surface (IRS)-assisted terahertz (THz) communication system in the presence of an arbitrary number of colluding/non-colluding eavesdroppers (Eves). Although the instantaneous channel state information (CSI) of the legitimate user (Bob)… read more here.
Keywords: secrecy capacity; assisted terahertz; pointing errors; irs assisted ... See more keywords
Capacity Analysis of Hybrid AF Multi-Hop FSO/RF System Under Pointing Errors and Weather Effects
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2019.2926679
Abstract: This letter investigates the performance of amplify-and-forward multi-hop free-space optical (FSO) system with radio frequency (RF) backup link over gamma–gamma turbulence channels in the presence of path loss and pointing errors. We exploit the relay-assisted… read more here.
Keywords: multi hop; fso system; system; pointing errors ... See more keywords
Analysis of RIS-Assisted FSO Systems Over F Turbulence Channel With Pointing Errors and Imperfect CSI
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3188772
Abstract: Reconfigurable intelligent surface (RIS) is an enabling solution to enhance the wireless communication system performance by smartly tunning the signal reflection via a large number of reconfigurable passive elements. In this letter, we present the… read more here.
Keywords: assisted fso; analysis ris; pointing errors; ris assisted ... See more keywords
Mixed THz/FSO Relaying Systems: Statistical Analysis and Performance Evaluation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2022.3188698
Abstract: In this paper, the performance of a mixed Terahertz/free-space optical (THz/FSO) wireless transmission system is studied, where the joint effects of channel fading and pointing errors are considered for both THz and FSO links. Employing… read more here.
Keywords: thz fso; channel fading; pointing errors; analysis ... See more keywords
Assessment of the FSO communication system using adaptive and MIMO MPPM with pointing errors and an atmospheric turbulence channel.
Sign Up to like & getrecommendations! Published in 2021 at "Applied optics"
DOI: 10.1364/ao.414480
Abstract: The terrestrial free space optical (FSO) communication system is attracting increased attention among the scientific and commercial research community due to its ultra-high data rate capability, licensed free large bandwidth, cost efficiency, fast and easy… read more here.
Keywords: system; turbulence; fso; fso communication ... See more keywords
M-ary phase-shift keying-based single-input-multiple-output free space optical communication system with pointing errors over a gamma-gamma fading channel.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.59.000059
Abstract: The performance of free space optical (FSO) communication systems is severely affected due to a number of reasons, such as atmospheric impairments, fading due to turbulence, and misalignment between transmitter and receiver sections. In this… read more here.
Keywords: space optical; system; ary phase; pointing errors ... See more keywords