نویسندگان | Javad Zeraatkar Moghaddam,Hamid Farrokhi |
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همایش | سی امین کنفرانس بین المللی مهندسی برق |
تاریخ برگزاری همایش | 2022-05-17 |
محل برگزاری همایش | شیراز |
شماره صفحات | 0-0 |
نوع ارائه | سخنرانی |
سطح همایش | داخلی |
چکیده مقاله
Non-Orthogonal Multiple Access (NOMA) and (device-to-device) D2D communication is emerging as a prominent technology for the next generation of wireless systems. Based on these, a downlink NOMA-based system with a D2D communication model is proposed. This paper aims to maximize the system sum rate for both cellular users (CUs) and D2D pairs while guaranteeing the minimum (quality of service) QoS requirement of each D2D pair and CU. The original sumrate maximization problem is non-convex. We decouple the problem into 2 sub-problem, i.e., sub-channel allocation and power allocation, to solve the problem efficiently. Then, a low complexity algorithm based on matching theory is proposed for sub-channel allocation and power allocation is solved by a sequential convex programming method. The Results of the Simulation show efficiency of the proposed algorithms in terms of the system sum-rate.
کلیدواژهها: (device-to-device) D2D communication, matching theory, Non-Orthogonal Multiple Access (NOMA), power allocation, sub-channel allocation