Ma, Ruoyan;
Tang, Jie;
Zhang, Xiuyin;
Wong, Kai-Kit;
Chambers, Jonathon A;
(2025)
Resource Allocation for a Secure SWIPT Network Aided by a RIS Relying on S-Parameter Communication Model.
China Communications
, 22
(6)
pp. 220-236.
10.23919/JCC.fa.2023-0798.202506.
Preview |
PDF
manuscript_china_comm.pdf - Accepted Version Download (1MB) | Preview |
Abstract
In the Internet of Things (IoT) based scenarios, the network may encounter significant issues related to energy and communication as a result of a progressively growing number of terminals. We introduce simultaneous wireless power transfer (SWIPT) technology assisted by a reconfigurable intelligent surface (RIS) to counteract this challenge. Thus, the network's flexibility and reliability will be further enhanced. According to this system architecture, the scattering-parameter-based communication model is introduced to disclose hardware features for an energy efficiency (EE) maximization problem. Specifically, the potential unauthorized demodulation is also considered in the problem formulation. To resolve the issue, an alternative strategy is utilized to optimize iteratively the coupled variables. In particular, the block coordinate descent (BCD) approach based on the Sherman-Morrison formulais proposed to solve the RIS subproblem. The numerical results prove the hardware effects cannot be dismissed lightly. Besides, the configuration of the RIS may impact the network performance directly.
| Type: | Article |
|---|---|
| Title: | Resource Allocation for a Secure SWIPT Network Aided by a RIS Relying on S-Parameter Communication Model |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.23919/JCC.fa.2023-0798.202506 |
| Publisher version: | https://doi.org/10.23919/JCC.fa.2023-0798.202506 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Science & Technology, Technology, Telecommunications, electromagnetic system model, energy efficiency, reconfigurable intelligent surface, simultane-ous wireless information and power transfer, BEAMFORMING OPTIMIZATION, SURFACE |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10211289 |
Archive Staff Only
 |
View Item |
