Xu D, Yu X, Song S, Kwan Ng DW, Schober R (2023)
Publication Type: Conference contribution
Publication year: 2023
Publisher: Institute of Electrical and Electronics Engineers Inc.
Pages Range: 340-345
Conference Proceedings Title: 2023 IEEE International Mediterranean Conference on Communications and Networking, MeditCom 2023
ISBN: 9798350333732
DOI: 10.1109/MeditCom58224.2023.10266592
In this paper, we study the resource allocation algorithm design for a multiuser communication system assisted by an active intelligent reflecting surface (IRS). In particular, supported by a power source, each active IRS element can adjust the phase and amplify the magnitude of the incident signal. To realize power-efficient communication, the proposed design incorporates two conflicting yet desirable objectives, i.e., access point (AP) transmit power minimization and active IRS amplification power minimization, via a multi-objective optimization problem (MOOP). In the literature, systematic algorithms that can efficiently tackle such a non-convex MOOP while preserving joint optimality are not available. To this end, we propose a state-of-the-art optimization framework by capitalizing on bilinear transformation, ϵ-constraint, and inner approximation methods. Simulation results not only reveal the power consumption tradeoff between the AP and the active IRS, but also confirm that the proposed scheme is more power-efficient than four baseline schemes.
APA:
Xu, D., Yu, X., Song, S., Kwan Ng, D.W., & Schober, R. (2023). Multi-Objective Optimization for Active IRS-Assisted Communication Systems. In 2023 IEEE International Mediterranean Conference on Communications and Networking, MeditCom 2023 (pp. 340-345). Dubrovnik, HR: Institute of Electrical and Electronics Engineers Inc..
MLA:
Xu, Dongfang, et al. "Multi-Objective Optimization for Active IRS-Assisted Communication Systems." Proceedings of the 3rd IEEE International Mediterranean Conference on Communications and Networking, MeditCom 2023, Dubrovnik Institute of Electrical and Electronics Engineers Inc., 2023. 340-345.
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