| 基于干扰对准的LTE上行虚拟MIMO系统 |
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| 引用本文： | 安永丽,肖扬.基于干扰对准的LTE上行虚拟MIMO系统[J].北方交通大学学报,2011(5):68-72. |
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| 作者姓名： | 安永丽 肖扬 |
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| 作者单位： | [1]北京交通大学计算机与信息技术学院,北京100044 [2]河北联合大学信息工程学院,河北唐山063004 |
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| 基金项目： | 基金项目：北京市自然科学基金项目资助（4102050） |
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| 摘 要： | 提出在LTE上行采用2×2模式的虚拟MIMO（VirtualMIMO，V—MIMO）系统，即一个两天线的基站同时支持两个单天线的用户，并在此基础上，提出一种基于传输延时的干扰对准算法．这种算法将基站的双天线的接收信号按照奇、偶时隙分离，从而将期望信号与干扰信号分离．应用本文算法一个两天线的基站可以支持3个甚至4个用户同时接入LTE网络的上行链路．
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| 关 键 词： | LTE 虚拟MIMO 干扰对准 |
LTE uplink virtuai-MIMO systems based on interference alignment |
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| AN Yongli,XIAO Yang.LTE uplink virtuai-MIMO systems based on interference alignment[J].Journal of Northern Jiaotong University,2011(5):68-72. |
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| Authors: | AN Yongli XIAO Yang |
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| Institution: | 1. School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China; 2. College of Information Engineering, Hebei United University, Tangshan, Hebei 063004, China) |
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| Abstract: | We proposed a virtual MIMO （V-MIMO） system using the 2 × 2 pattern for LTE uplink, i. e. × a two antennas＇ base station supports two single antenna＇s users simultaneously. With the V-MI- MO, the paper designed one kind of interference alignment algorithm for LTE MIMO based on the transmission time delay. The algorithm separates base station＇ s receiving signal by odd time slot and even time slot, thus expected signal and unexpected signal are separated for UEs. A two antennas＇ base station may support 3 even 4 users simultaneously by using our algorithm to access the uplink of LTE network. |
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| Keywords: | LTE V-MIMO Interference alignment |
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