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Article Dans Une Revue IET Communications Année : 2017

Cooperative Resource Management and Power Allocation for Multiuser OFDMA Networks

Résumé

Mobile network operators are facing the challenge to increase network capacity and satisfy the growth in data traffic demands. In this context, Long Term Evolution (LTE) networks, LTE-Advanced networks, and future mobile networks of the Fifth Generation seek to maximize spectrum profitability by choosing the frequency reuse-1 model. Due to this frequency usage model, advanced radio resource management and power allocation schemes are required to avoid the negative impact of interference on system performance. Some of these schemes modify resource allocation between network cells, while others adjust both resource and power allocation. In this article, we introduce a cooperative distributed interference management algorithm, where resource and power allocation decisions are jointly made by each cell in collaboration with its neighboring cells. Objectives sought are: increasing user satisfaction, improving system throughput, and increasing energy efficiency. The proposed technique is compared to the frequency reuse-1 model and to other state-of-the-art techniques under uniform and non-uniform user distributions and for different network loads. We address scenarios where throughput demands are homogeneous and non-homogeneous between network cells. System-level simulation results demonstrate that our technique succeeds in achieving the desired objectives under various user distributions and throughput demands.
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Dates et versions

hal-01593122 , version 1 (26-09-2017)

Identifiants

Citer

Mohamad Yassin, Samer Lahoud, Marc Ibrahim, Kinda Khawam, Dany Mezher, et al.. Cooperative Resource Management and Power Allocation for Multiuser OFDMA Networks. IET Communications, 2017, 11 (16), pp.2552 - 2559. ⟨10.1049/iet-com.2017.0201⟩. ⟨hal-01593122⟩
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