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DC Field | Value | Language |
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dc.contributor.author | Zafaruddin, S.M. | - |
dc.date.accessioned | 2023-03-27T09:20:29Z | - |
dc.date.available | 2023-03-27T09:20:29Z | - |
dc.date.issued | 2021-12 | - |
dc.identifier.uri | https://arxiv.org/abs/2112.12944 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/9972 | - |
dc.description.abstract | Reconfigurable intelligent surface (RIS) is a promising technology to avoid signal blockage by creating line-of-sight (LOS) connectivity for free-space optical (FSO) and radio frequency (RF) wireless systems. There is limited research on the use of multiple RIS between a source and destination for wireless communications. This paper analyzes the performance of a RIS-assisted multi-hop transmission for vehicular communications by employing multiple RIS to enable LOS communication and reliable connectivity for a hybrid FSO and RF system. We develop an analytical framework to derive statistical results of the signal-to-noise ratio (SNR) of a multi-RIS communication system over general fading models. We use decode-and-forward (DF) and fixed-gain (FG) relaying protocols to mix multi-RIS transmissions over RF and FSO technologies, and derive probability density and distribution functions for both the relaying schemes by considering independent and non-identical double generalized gamma (dGG) distribution models for vehicular RF transmissions and atmospheric turbulence for FSO system combined with zero-boresight pointing errors. We analyze the performance of a moving vehicle connected to one of the RIS modules by deriving exact analytical expressions of the outage probability, average bit-error rate (BER), and ergodic capacity in terms of Fox's H-function. We present asymptotic analysis and diversity order of the outage probability in the high SNR regime to provide a better insight into the system performance. We use computer simulations to demonstrate the effect of multiple RIS modules, fading parameters, and pointing errors on the RIS-aided multi-hop transmissions for the considered vehicular communication system. | en_US |
dc.language.iso | en | en_US |
dc.publisher | ARXIV | en_US |
dc.subject | EEE | en_US |
dc.subject | Hybrid FSO/RF | en_US |
dc.subject | Hybrid system | en_US |
dc.subject | RIS-Assisted Multihop | en_US |
dc.title | RIS-Assisted Multihop FSO/RF Hybrid System for Vehicular Communications over Generalized Fading | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Electrical and Electronics Engineering |
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