2019
DOI: 10.12720/jcm.14.6.490-497
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Performance of OFDM-FSO Communication System with Different Modulation Schemes over Gamma-Gamma Turbulence Channel

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Cited by 6 publications
(6 citation statements)
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“…Panda and Bhanja (2021) reported an improved performance evaluation of OFDM-FSO scheme by designing a modified OFDM receiver. In the previous works reported in (Sharma, 2014;Patel et al, 2014;Nistazakis et al, 2016;Attri et al, 2017;Zhang et al, 2018;Ajewole et al, 2019;Gupta et al, 2019;Hario et al, 2019;Darwesh and Kopeika, 2020;Panda and Bhanja, 2021) single-channel OFDM transmission has been discussed over free-space channel. Further enhancement of transmission capacity of FSO can be achieved by employing more OFDM channels transmission simultaneously which can be achieved using Wavelength-Division Multiplexed (WDM) transmission.…”
Section: Literature Surveymentioning
confidence: 99%
See 1 more Smart Citation
“…Panda and Bhanja (2021) reported an improved performance evaluation of OFDM-FSO scheme by designing a modified OFDM receiver. In the previous works reported in (Sharma, 2014;Patel et al, 2014;Nistazakis et al, 2016;Attri et al, 2017;Zhang et al, 2018;Ajewole et al, 2019;Gupta et al, 2019;Hario et al, 2019;Darwesh and Kopeika, 2020;Panda and Bhanja, 2021) single-channel OFDM transmission has been discussed over free-space channel. Further enhancement of transmission capacity of FSO can be achieved by employing more OFDM channels transmission simultaneously which can be achieved using Wavelength-Division Multiplexed (WDM) transmission.…”
Section: Literature Surveymentioning
confidence: 99%
“…The authors reported that as the laser power increases, the transmission performance under turbulent conditions improves. Ajewole et al (2019) reported the comparative investigation of Binary Phase-Shift Keying (BPSK) modulation scheme and 64-level Quadrature-Amplitude Modulation (64-QAM) scheme in an OFDM-FSO transmission under varying gamma-gamma turbulence conditions. The authors reported that deteriorating turbulent conditions degrades the systems' performance and demonstrated that BPSK has a better transmission performance than 64-QAM.…”
Section: Literature Surveymentioning
confidence: 99%
“…BPSK and Quadrature Amplitude Modulation (M-array QAM) have been proposed as the modulation schemes to be used over the FSOC system. As BPSK and M-QAM require no adaptive threshold schemes, therefore they offer better performance when compared to other modulation schemes under the same atmospheric turbulence thresholds [33].…”
Section: Modulationmentioning
confidence: 99%
“…According to [33], BPSK performs better in all turbulence conditions compared to QAM [34], [35] because the error performance and distortion worsen with an increase in the modulation order. BPSK and QPSK modulation schemes are adopted in our design.…”
Section: Modulationmentioning
confidence: 99%
“…Due to the increase in space engineering projects and tasks, the complexity of modulation formats in satellite laser communication systems is increasing in order to meet the needs of different users and services and make full use of channel capacity [1][2][3][4][5][6][7]. To expand transmission capacity, the Optical Frequency Division Multiplexing (OFDM) technique has attracted attention, and the OFDM system was found to be highly resistant to multipath interference and spectrally selective fading as well as having good BER performance [8][9][10][11][12][13][14][15]. To meet the requirements of high-speed data transmission in satellite laser communication systems, the OFDM technique can improve the transmission rate and reliability of the system.…”
Section: Introductionmentioning
confidence: 99%