Record link: 
http://hdl.handle.net/20.500.12708/206525
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Title: 
Single Frequency vs. Broadband: Factors to Consider in Wideband RIS Configuration
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Citation: 
Huang, Z., Rupp, M., & Schwarz, S. (2024). Single Frequency vs. Broadband: Factors to Consider in Wideband RIS Configuration. In 2024 19th International Symposium on Wireless Communication Systems (ISWCS) (pp. 1–6). https://doi.org/10.1109/ISWCS61526.2024.10639113
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Publisher DOI: 
10.1109/ISWCS61526.2024.10639113
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Publication Type: 
Inproceedings - Full-Paper Contribution
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Language: 
English
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Authors: 
Huang, Zeyu 
Rupp, Markus 
Schwarz, Stefan 
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Organisational Unit: 
E389-02 - Forschungsbereich Wireless Communications 
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Published in: 
2024 19th International Symposium on Wireless Communication Systems (ISWCS) 
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Date (published): 
2024
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Event name: 
2024 19th International Symposium on Wireless Communication Systems (ISWCS 2024) 
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Event date: 
14-Jul-2024 - 17-Jul-2024
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Event place: 
Rio de Janeiro, Brazil
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Number of Pages: 
6
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Peer reviewed: 
Yes
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Keywords: 
fading channel; optimal phasor; realistic RIS model; Reconfigurable intelligent surfaces; wideband beamforming
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Abstract: 
In this study, we aim to address the fundamental problem of configuring reconfigurable intelligent surfaces (RISs) for efficient wideband transmission. We investigate whether it is necessary to consider multiple frequency points or only a single frequency point while configuring the RIS. We examine the impact of various conditions, such as the amount of phase variation supported by the RIS, transmission bandwidth, the presence of the line-of-sight (LoS) link between RIS and receiver (RX), and RIS states number. We use the optimal phasor (OP) method to configure the RIS when considering the entire transmission band. Additionally, we consider a linear frequency selectivity RIS model, which is inspired by realistic RIS models.
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Research Areas: 
Telecommunication: 100%
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Science Branch: 
2020 - Elektrotechnik, Elektronik, Informationstechnik: 100%
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