Publication: Cyclic-prefixed single-carrier transmission with reconfigurable intelligent surfaces
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KU-Authors
KU Authors
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Li, Q.
Wen, M.
Alexandropoulos, G.C.
Kim, K.J.
Poor H.V.
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NO
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Abstract
In this paper, a cyclic-prefixed single-carrier (CPSC) transmission scheme with phase shift keying (PSK) signaling is presented for broadband wireless communications systems empowered by a reconfigurable intelligent surface (RIS). In the proposed CPSC-RIS, the RIS is configured according to the transmitted PSK symbols such that different cyclically delayed versions of the incident signal are created by the RIS to achieve cyclic delay diversity. A practical and efficient channel estimator is developed for CPSC-RIS and the mean square error of the channel estimation is expressed in closed-form. We analyze the bit error rate (BER) performance of CPSC-RIS over frequency-selective Nakagami-m fading channels. An upper bound on the BER is derived by assuming maximum-likelihood detection. Our simulation results in terms of BER corroborate the performance analysis and the superiority of CPSC-RIS over the conventional CPSC without an RIS and orthogonal frequency division multiplexing with an RIS.
Source
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Subject
Computer science, Engineering, Telecommunications
Citation
Has Part
Source
2022 Joint European Conference on Networks and Communications and 6G Summit (EuCNC/6G Summit)
Book Series Title
Edition
DOI
10.1109/EuCNC/6GSummit54941.2022.9815627