Abstract
The intelligent reflecting surface (IRS) is an emerging technique to extend wireless coverage. In this letter, the performance of the hybrid automatic repeat request (hybrid ARQ) for an IRS-assisted system is analysed. More specifically, the outage performance of the IRS-aided system using hybrid ARQ protocol with chase combining is studied. The asymptotic analysis also shows that the outage performance is better and improves linearly by increasing the number of reflectors of the IRS-aided system. The results also verify the potential of combining the ARQ scheme in the link layer of the IRS-aided system and demonstrate that a very small change of path loss condition can impact the performance largely.
Highlights
Intelligent reflecting surface (IRS) is a revolutionary enabling technique to significantly improve the system performance of the wireless system
We study the outage performance of IRS-aided system with hybrid automatic repeat request (ARQ) with chase combining (CC) in this letter
It can be seen that compared to the case where ARQ is not Conclusion: In this study, we investigate the performance of hybrid ARQ with CC over the IRS-aided communication system
Summary
Intelligent reflecting surface (IRS) is a revolutionary enabling technique to significantly improve the system performance of the wireless system. The analysis on coverage, probability of signal-to-noise ratio (SNR) gain, and delay outage rate of IRS-aided communication system is conducted in [3]. We study the outage performance of IRS-aided system with hybrid ARQ with CC in this letter.
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