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Sum-Rate Maximization in Irregular STAR-RIS-Driven V2X Systems
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DOI：10.1109/LWC.2026.3654959.png)
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The reconfigurable intelligent surface (RIS) plays a crucial role in enabling sustainable communication infrastructure for 6G networks. This letter presents a long-term net weighted sum-rate maximization problem with queue stability for irregular simultaneous transmission and reflection RIS (ISTAR-RIS)-assisted vehicular networks. The model incorporates time-varying and mobility-induced channel dynamics. A joint optimization problem of the road side unit (RSU) beamforming vector, topological selection and the phase shift matrix of ISTAR-RIS elements is formulated. The simulation results demonstrate the effectiveness of the proposed approach in maximizing the sum-rate while comparing with existing benchmark methods in ISTAR-RIS-aided wireless and device-to-device (D2D) communication.
Keyword:
Smart cities
ISTAR-RIS
vehicular communication
Lyapunov optimization
sum-rate maximization
期刊
I
IF:
5.5
论文数:
797
被引数:
0
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引用论文
Delay-Constrained Sum-Rate Maximization in STAR-RIS V2X Communications Using Lyapunov Framework.png)
IEEE ACCESS
IEEE ACCESSIF3.6
PREAI
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