An hierarchical approach for inter-cell scheduling in interference-limited cellular networks

R.B. Moreira, F. Cavalcanti
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引用次数: 1

Abstract

Interference management is one of effective means of improving system throughput, which is particularly important for the emerging 4G wireless networks that demand increasing data rates. In order to mitigate the inter-cell interference we evaluate the performance of an hierarchical centralized inter-cell scheduling method which aims at improving the system throughput. The proposed algorithm, which is based on an existing one, besides selecting the BSs allowed to transmit, performs an exhaustive power control in order to find the optimal power levels of transmitting BSs. Simulation results show that the proposed method outperforms classical approaches in terms of spectral efficiency improvements.
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有限干扰蜂窝网络中蜂窝间调度的分层方法
干扰管理是提高系统吞吐量的有效手段之一,对于要求数据速率不断提高的新兴4G无线网络尤为重要。为了减轻小区间的干扰,我们评估了一种旨在提高系统吞吐量的分层集中式小区间调度方法的性能。该算法在现有算法的基础上,除了选择允许发送的BSs外,还进行了穷举功率控制,以找到发送BSs的最佳功率水平。仿真结果表明,该方法在提高频谱效率方面优于经典方法。
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