کنفرانس مهندسی برق ایران

صفحه اصلی / سی امین کنفرانس بین المللی مهندسی برق

Sum-Rate Maximization for NOMA-Based Networks with D2D Communications using Matching Theory

نویسندگان :

َAlireza Gholamrezaee¹ Hamid Farrokhi² Javad Zeraatkar Moqaddam³

1- دانشگاه بیرجند 2- دانشگاه بیرجند 3- دانشگاه بیرجند

کلمات کلیدی :

(device-to-device) D2D communication, matching theory, Non-Orthogonal Multiple Access (NOMA), power allocation, sub-channel allocation

چکیده :

Non-Orthogonal Multiple Access (NOMA) and (device-to-device) D2D communication are emerging as a prominent technologies 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 sum-rate maximization problem is non-convex. We decouple the problem into two sub-problems, 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.

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