A CSGC algorithm based partial spectrum sharing scheme in cognitive LTE-A two-tier heterogeneous networks

Wen-Ji Liu, Binjie Hu, Zong-Heng Wei, Jiaoke Lv, Tuo Tan, Xing Liu
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引用次数: 3

Abstract

In order to handle the cross-tier and co-tier interference effectively for LTE-A two-tier heterogeneous network, we propose a CSGC algorithm based partial spectrum sharing scheme using cognitive radio (CR) technique. In this paper, Radio resources are divided into three parts: macro-dedicated part, shared part and femto-dedicated part. Simulation result shows that the proposed scheme not only solves the two-tier interference but also improves the performance of the edge users. Moreover, we can set the portion of the dedicated-spectrum to maximize the system benefit.
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基于CSGC算法的认知LTE-A两层异构网络部分频谱共享方案
为了有效地处理LTE-A两层异构网络的跨层和协层干扰,提出了一种基于认知无线电(CR)技术的CSGC算法的部分频谱共享方案。本文将无线电资源分为宏观专用部分、共享部分和飞频专用部分三部分。仿真结果表明,该方案不仅解决了两层干扰,而且提高了边缘用户的性能。此外,我们可以设置专用频谱的部分,以最大限度地提高系统效益。
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