Open AccessHybrid automatic repeat request‐based intelligent reflecting surface‐assisted communication system
Author(s) -
Ai Yun,
Mohamed Marshed,
Kong Long,
AlSaman Ahmed,
Cheffena Michael
Publication year - 2021
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
eISSN - 1350-911X
pISSN - 0013-5194
DOI - 10.1049/ell2.12091
Subject(s) - hybrid automatic repeat request , automatic repeat request , computer science , path loss , hybrid system , selective repeat arq , wireless , scheme (mathematics) , protocol (science) , computer network , link layer , real time computing , telecommunications , telecommunications link , mathematics , medicine , mathematical analysis , alternative medicine , pathology , machine learning
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.