LTE-Advanced系统中多小区协作干扰消除方案
首发时间:2010-07-05
摘要:本文提出了LTE-Advanced系统中基于基站间协作的干扰消除方案。在LTE-Advanced系统中,小区间干扰是主要干扰源和性能瓶颈,需要采取干扰消除方案来提高小区边缘用户速率。在我们提出的方案中,通过适当的构造协作簇以及采用先进的预编码算法,消除来自协作簇内基站的小区间干扰,从而提高系统性能。本文详细介绍了方案的设计,并给出了该方案的性能分析和系统级仿真结果。这些结果表明,相较于传统的LTE系统,本文提出的传输方案能极大的提高小区边缘数据速率以及小区平均数据速率。
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A Coordinated Multi-cell MIMO Scheme for Interference Mitigation in LTE-Advanced Systems
Abstract:A novel interference mitigation scheme based on cooperation among base transceiver stations (BTS) for the Long Term Evolution (LTE) Advanced networks is presented in this paper. In LTE-Advanced networks, inter-cell interference is the main interference source and performance constraint. And interference mitigation is generally employed to improve cell edge data rate. In our scheme, cluster is carefully constructed and advanced precoding algorithm is applied to effctively mitigate inter-cell interference and thus improve system performance. The scheme is carefully designed in this paper. And performance analysis as well as system level simulation results are also given in this paper. These results show that, compared with traditional LTE systems, the novel transmission scheme proposed can greatly increase cell edge data rate as well as the overall cell data rate.
Keywords: Inter-cell interference Cooperation Joint procession User data rate
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No.4377594537290127****
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