| MIMO干扰信道中一种新的分布式迭代预编码算法 |
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| 引用本文： | 高磊,解培中. MIMO干扰信道中一种新的分布式迭代预编码算法[J]. 计算机工程与应用, 2015, 51(16): 77-81 |
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| 作者姓名： | 高磊 解培中 |
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| 作者单位： | 南京邮电大学 通信与信息工程学院，南京 210003 |
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| 基金项目： | 国家自然科学基金(No.61271234)；南京邮电大学校科研基金资助项目(No.NY210006)。 |
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| 摘 要： | MIMO技术可以有效地提高通信系统的容量，但会带来很严重的用户间干扰问题。预编码技术以其能简化接收机和抑制干扰的作用将会在未来通信中扮演着重要角色。将多数据流的预编码矩阵设计转换成单数据流预编码矢量设计，提出了基于信干噪比最大的分布式迭代算法，以及将虚拟信干噪和最小均方误差方法相结合的迭代算法。数值仿真结果表明提出的算法可以有效提高系统容量。
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| 关 键 词： | 多输入多输出系统 干扰信道 预编码 迭代算法 信号与干扰加噪声比 |
Distributed iterative precoder design for MIMO interference channel |
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| GAO Lei,JIE Peizhong. Distributed iterative precoder design for MIMO interference channel[J]. Computer Engineering and Applications, 2015, 51(16): 77-81 |
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| Authors: | GAO Lei JIE Peizhong |
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| Affiliation: | College of Telecommunications & Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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| Abstract: | The technology of multiple input multiple output can make great improvements in terms of the overall throughput of the network. But it also brings an inevitable co-channel interference problem. Precoder design will play a pivotal role in future communication as its abilities of suppressing co-channel interference and simplifying receivers. In this paper, the precoder matrix design of multiple streams is transformed to the precoder vector design of single stream and two precoder design algorithms for MIMO interference channel based on the virtual SINR and the MMSE criterion are proposed. Simulation results are provided to demonstrate that the proposed designs are capable of significantly improving the system sum capacity. |
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| Keywords: | Multiple Input Multiple Output(MIMO) interference channel precoder iterative algorithms Signal to Inter-ference plus Noise Ratio(SINR) |
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