AoI-Aware Optimization in RIS-Assisted mmWave Network

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Asadi Somayeh; Sheikhi Marzieh; Hakami Vesal

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON WEB RESEARCH
Year:2024 | Issue:10

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Title

AoI-Aware Optimization in RIS-Assisted mmWave Network

Author(s)

Asadi Somayeh | Sheikhi Marzieh | Hakami Vesal

Keywords

Age of Information

Real-time Applications

Reconfigurable Intelligent Surface

Millimeter Wave

Model-free Deep Reinforcement Learning

Abstract

In the era of next-generation wireless networks, Real-time Applications demand freshness in information delivery, notably in IoT, cyber-physical systems, and industrial IoT. We target the optimization of average Age of Information (AoI) in a multi-user RIS-assisted mmWave network, where the sensitivity of mmWave bands to propagation challenges is mitigated through Reconfigurable Intelligent Surfaces (RIS). Notably, prior studies have overlooked AoI optimization in RIS-enhanced mmWave networks. Our contribution lies in devising a novel Markov Decision Process (MDP) framework and a Model-free Deep Reinforcement Learning (DRL) algorithm tailored to high-dimensional action spaces. Our approach orchestrates user transmission timing, power allocation, base station beamforming, and RIS reflective coefficient adjustments. Through extensive simulations, we demonstrate the superiority of our method over existing schemes, showcasing enhanced network performance. This work represents an advancement in the optimization of AoI within the context of RIS-assisted mmWave communications, shedding light on efficient control policy learning for improved network operation.

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APA: Copy

Asadi, Somayeh, Sheikhi, Marzieh, & Hakami, Vesal. (2024). AoI-Aware Optimization in RIS-Assisted mmWave Network. INTERNATIONAL CONFERENCE ON WEB RESEARCH. SID. https://sid.ir/paper/1147643/en

Vancouver: Copy

Asadi Somayeh, Sheikhi Marzieh, Hakami Vesal. AoI-Aware Optimization in RIS-Assisted mmWave Network. 2024. Available from: https://sid.ir/paper/1147643/en

IEEE: Copy

Somayeh Asadi, Marzieh Sheikhi, and Vesal Hakami, “AoI-Aware Optimization in RIS-Assisted mmWave Network,” presented at the INTERNATIONAL CONFERENCE ON WEB RESEARCH. 2024, [Online]. Available: https://sid.ir/paper/1147643/en

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