Average bit error probability performance of intelligent reflecting surface‐aided wireless communications over Hoyt fading

Kumar Bhagat, Sanjeet; Dixit, Dharmendra; Ranjan Sahu, Pravas

doi:10.1002/dac.5580

Cited by 3 publications

References 36 publications

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On the performance of multiple‐IRS aided wireless networks over Nakagami‐m$$ m $$ fading channels

Hindustani,

Dixit,

Sharma

2024

Int J Communication

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SummaryMultiple intelligent reflecting surfaces (IRS) in a wireless system are considered to enhance performance, efficiency, and flexibility in wireless networks. In this paper, we analyze outage probability (OP) for multiple IRS panels‐assisted wireless systems over Nakagami‐ fading channels. We focus on selecting the best IRS panel to maintain the quality of service and enhance the user experience. We derive two closed‐form OP expressions using the central limit theorem and Laguerre series expansion. Additionally, we develop a novel asymptotic OP expression and obtain a novel diversity order. The diversity order of the considered system model depends on the minimum fading parameter ( ) between the transmitter‐IRS panel and IRS panel‐receiver links and the number of IRS panels. We thoroughly investigate the impact of system parameters and validate our analytical results with simulations. Our findings emphasize that diversity order depends on the minimum fading parameter ( ) between the transmitter‐IRS panel and IRS panel‐receiver links, the number of IRS elements in each panel, and the number of IRS panels.

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On the performance of multiple‐IRS aided wireless networks over Nakagami‐m$$ m $$ fading channels

Hindustani,

Dixit,

Sharma

2024

Int J Communication

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Approximate Composite Channel Statistics and Performance Analysis of IRS-Aided Wireless System Under Nakagami-m Fading

Ajayan,

Dash,

Ramkumar

2023

IEEE Access

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An intelligent reflecting surface (IRS) enhances the performance of a wireless channel by controlling the phase of signals reflected by them. This paper investigates an IRS-aided single input single output wireless communication system. Owing to the closely spaced placement of the IRS elements, the channels between the IRS and the transmitter, as well as the channels between the IRS and the receiver, are considered to be spatially correlated. Assuming optimal phase configuration at the IRS, correlated Nakagami-m random vectors are used to model the magnitude of the channel coefficient vectors between the IRS and the transmitter as well as between the IRS and the receiver. A statistical approximation of the distribution of composite channel is obtained as a Gamma distribution. The parameters of the approximated Gamma distribution are derived in terms of the scale parameter and spread parameter of Nakagami-m random vectors. The approximated Gamma distribution is validated using Monte-Carlo simulations and found to be closely following the actual distribution of the composite channel coefficient. Using the approximation, closed form expressions of the performance metrics such as symbol error probability (SEP), outage probability and average channel capacity are derived and validated.INDEX TERMS Average channel capacity, IRS, Nakagami-m fading, outage probability, SEP, spatial correlation.

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BER Analysis of IRS Aided OTFS Modulation in Presence of IQ Imbalance at the Receiver

Bhagat,

Neelam,

Sahu

2024

2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring)

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Average bit error probability performance of intelligent reflecting surface‐aided wireless communications over Hoyt fading

Cited by 3 publications

References 36 publications

On the performance of multiple‐IRS aided wireless networks over Nakagami‐m$$ m $$ fading channels

On the performance of multiple‐IRS aided wireless networks over Nakagami‐m$$ m $$ fading channels

Approximate Composite Channel Statistics and Performance Analysis of IRS-Aided Wireless System Under Nakagami-m Fading

BER Analysis of IRS Aided OTFS Modulation in Presence of IQ Imbalance at the Receiver

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