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Development of Array Antenna for LTE Small Cell Base Stations

机译:LTE小型基站的阵列天线开发

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摘要

In recent years, mobile service providers are facing rapid increase in data traffic, and so they have much interest in picocells and femtocells which can significantly improve network capacity. Deploying picocells and femtocells, however, can potentially cause inter-cell interference in the case of co-channel operation. We have studied the interference suppression method using an array antenna system for 3GPP Long Term Evolution (LTE) uplinks based on minimum mean square error (MMSE) beamforming. This paper proposes a new method to calculate the MMSE weight in a resource block (RB) basis and shows some simulation results. Furthermore, we have successfully implemented the proposed method on a system-on-chip (SoC) and verified that it successfully suppresses interference in real time.
机译:近年来,移动服务提供商面临着数据流量的快速增长,因此他们对微微小区和毫微微小区具有极大的兴趣,可以显着提高网络容量。但是,在同频道操作的情况下,部署微微小区和毫微微小区可能会引起小区间干扰。我们已经研究了基于最小均方误差(MMSE)波束成形的,针对3GPP长期演进(LTE)上行链路使用阵列天线系统的干扰抑制方法。本文提出了一种基于资源块(RB)计算MMSE权重的新方法,并给出了一些仿真结果。此外,我们已经在片上系统(SoC)上成功实现了所提出的方法,并验证了该方法成功地实时抑制了干扰。

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