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Title: | Intelligent Reflecting Surface-Aided URLLC in a Factory Automation Scenario |
Authors: | Ren, H Wang, K Pan, C |
Keywords: | intelligent reflecting surface (IRS);reconfigurable intelligent surface (RIS);URLLC;short-packet transmission |
Issue Date: | 2-Nov-2021 |
Publisher: | Institute of Electrical and Electronics Engineers (IEEE) |
Citation: | Ren, H., Wang, K. and Pan, C. (2022) 'Intelligent Reflecting Surface-Aided URLLC in a Factory Automation Scenario', IEEE Transactions on Communications, 70 (1), pp. 707 - 723. doi: 10.1109/TCOMM.2021.3125057. |
Abstract: | Different from conventional wired line connections, industrial control through wireless transmission is widely regarded as a promising solution due to its reduced cost, increased long-term reliability, and enhanced reliability. However, mission-critical applications impose stringent quality of service (QoS) requirements that entail ultra-reliability low-latency communications (URLLC). The primary feature of URLLC is that the blocklength of channel codes is short, and the conventional Shannon's Capacity is not applicable. In this paper, we consider the URLLC in a factory automation (FA) scenario. Due to densely deployed equipment in FA, wireless signal are easily blocked by the obstacles. To address this issue, we propose to deploy intelligent reflecting surface (IRS) to create an alternative transmission link, which can enhance the transmission reliability. In this paper, we focus on the performance analysis for IRS-aided URLLC-enabled communications in a FA scenario. Both the average data rate (ADR) and the average decoding error probability (ADEP) are derived under finite channel blocklength for seven cases: 1) Rayleigh fading channel; 2) With direct channel link; 3) Nakagami-m fading channel; 4) Imperfect phase alignment; 5) Multiple-IRS case; 6) Rician fading channel; 7) Correlated channels. Extensive numerical results are provided to verify the accuracy of our derived results. |
URI: | https://bura.brunel.ac.uk/handle/2438/25941 |
DOI: | https://doi.org/10.1109/TCOMM.2021.3125057 |
ISSN: | 0090-6778 |
Other Identifiers: | ORCID iD: Kezhi Wang https://orcid.org/0000-0001-8602-0800 |
Appears in Collections: | Dept of Computer Science Research Papers |
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