Effect of Pointing Error on the Performance of Improved Modified Switching Scheme of Hybrid FSO/RF System under Mixture Gamma Atmospheric Turbulence

Shrivastava, Shreesh Kumar; Sengar, Sujata; Singh, Shree Prakash

doi:10.1080/03772063.2021.2021818

Cited by 1 publication

(2 citation statements)

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“…The final expression of L 1 is given by (32). Following the similar approach, L 2 , L 3 and L 4 lead to (33), (34), and (35). Here, G n,m:m1,n1:m2,n2 q,p:p1,q1:p2,q2…”

Section: B Bit Error Rate (Ber)mentioning

confidence: 99%

“…We considered DF approach to achieve considerable better performance than AF at low SNR. In particular, hybrid RF/FSO communication systems [34], [35] are deployed in both the source-to-HAPS and the HAPS-to-destination links and selection combining (SC) scheme is applied at HAPS and destination node [36], [37]. FSO link has practical limitations like beam alignment, beam wander, scintillation, and changes caused by receiver's orientation deviations.…”

Section: Introductionmentioning

confidence: 99%

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On the Performance and Optimization of HAPS Assisted Dual-Hop Hybrid RF/FSO System

et al. 2022

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In this paper, we derive accurate outage probability and bit error rate expressions for a high altitude platform station (HAPS) assisted terrestrial communication system. In particular, HAPS is deployed as a relay node to assist two ground stations for data transmission. Each ground station-to-HAPS communication link works on a hybrid radio frequency (RF) and free space optics (FSO) mode. Selection combining is performed at the HAPS and the destination ground station to select either RF or FSO link based on the instantaneous channel signal-to-noise ratio (SNR). The accuracy of the derived outage probability and bit error rate expressions are validated with extensive computer simulations. We further develop an optimal power allocation scheme that optimizes the transmit power of source-ground-station and HAPS while satisfying practical energy consumption constraints. The derived expressions provide more insights on system design and assist analyzing HAPS-terrestrial integrated network supported by hybrid RF/FSO system.

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“…The final expression of L 1 is given by (32). Following the similar approach, L 2 , L 3 and L 4 lead to (33), (34), and (35). Here, G n,m:m1,n1:m2,n2 q,p:p1,q1:p2,q2…”

Section: B Bit Error Rate (Ber)mentioning

confidence: 99%