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-  2016 

基于带内自回传小基站系统的干扰抑制方案
Interference suppression scheme based on in-band self-backhaul small cell system

DOI: 10.7523/j.issn.2095-6134.2016.04.017

Keywords: 多输入多输出,协同多点传输,稀疏化预编码,带内自回传,小基站
MIMO
,CoMP,sparse beamforming,in-band self-backhaul,small cell

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Abstract:

摘要 基于带内自回传小基站系统,提出一种以用户为中心动态成簇的部分协作干扰抑制方案。根据带内自回传小基站复用接入与回传无线资源的特点,形成以最大化系统下行接入链路吞吐量为目标,联合回传链路资源分配与接入链路预编码设计的优化问题。由于所提问题难以获得最优解,基于凸松弛和分块坐标下降方法,提出一种次优的迭代求解算法。仿真结果表明所提算法能根据回传速率调整协作簇的大小,均衡小基站回传负载,提升系统接入链路的吞吐量。

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