کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

Sum Rate Maximization in STAR-RIS Assisted D2D Communications

نویسندگان :

Mohammad Reza Kavianinia¹ Mohammad Javad Emadi²

1- دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) 2- دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران)

کلمات کلیدی :

Simultaneous transmitting and reflecting reconfigurable intelligent surface،Device-to-device communication،Multicast communication،Sum-rate maximization

چکیده :

This paper investigates wireless communication based on a simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS), in which device-to-device communication is established using STAR-RIS near cellular users. The sum rate of multicast downlink communication is calculated using the STAR-RIS transmission and reflection coefficients (TARCs). In order to maximize the sum rate while fulfilling the minimum quality-of-service requirements, the non-convex optimization problem is investigated. To convert the optimization problem into a convex problem, the successive convex approximation technique and iterative approach are utilized. Finally, numerical results are provided to demonstrate how increasing the size of STAR-RIS and optimizing its TARCs elements affects the sum rate of the system.

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ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 40.4.2