基于干扰管理的宏基站与家庭基站联合资源分配

doi:10.3969/j.issn.0255-8297.2014.05.010

Abstract

Abstract: This paper proposes a joint resource allocation scheme. Joint spectrum allocation of Macrocell and Femtocells is introduced based on a dynamic heuristic clustering algorithm, which effectively mitigates cross-tier interference. An optimization problem is then formed to minimize the total power consumption of
FAPs under the QoS constraint both at each Femto user and each Macro user. A closed form of optimized power solution of FAP is derived to solve an optimization problem with a sub-gradient method. Simulation results show that the system interference and outrage of Femtocells are drastically decreased with the proposed algorithm, and therefore energy efficiency of Femtocells is enhanced.

Key words: Femtocell, interference management, power control, energy efficiency

CLC Number:

TN929.531

XU Yue, ZHU Qi. A joint Macrocell and Femtocell Resource Allocation Based on Interference Management[J]. Journal of Applied Sciences, 2014, 32(5): 493-498.

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A joint Macrocell and Femtocell Resource Allocation Based on Interference Management

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