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Performance of ambient backscatter systems using reconfigurable intelligent surface

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Chen, Yunfei (2021) Performance of ambient backscatter systems using reconfigurable intelligent surface. IEEE Communications Letters, 25 (8). pp. 2536-2539. doi:10.1109/LCOMM.2021.3083110 ISSN 1089-7798.

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Official URL: http://dx.doi.org/10.1109/LCOMM.2021.3083110

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Abstract

Reconfigurable intelligent surface (RIS) has been proved effective in improving the performance of communications. In this letter, the effect of RIS on individual links in ambient backscatter communications is examined. The average bit error rate is derived for the cases when the source-to-reader (S-R) link, the source-to-tag (S-T) link, or both S-R and S-T links use RIS to enhance their links. Numerical results show that generally speaking the performance of ambient backscatter communications degrades when the number of RIS elements in the S-R link increases, while improves when the number of RIS elements in the S-T link increases, when RIS is used to enhance the relevant link. Also, the two effects cancel out but in general the performance improves when both links are enhanced by RIS.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Backscatter communication, Signal processing, Digital communications
Journal or Publication Title: IEEE Communications Letters
Publisher: IEEE
ISSN: 1089-7798
Official Date: August 2021
Dates:
DateEvent
August 2021Published
24 May 2021Available
19 May 2021Accepted
Volume: 25
Number: 8
Page Range: pp. 2536-2539
DOI: 10.1109/LCOMM.2021.3083110
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): © 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 25 May 2021
Date of first compliant Open Access: 26 May 2021
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