面向天线互耦效应抑制的波束预编码算法

doi:10.3969/j.issn.1001-2400.2018.06.014

西安电子科技大学学报 ›› 2018, Vol. 45 ›› Issue (6): 80-85.doi: 10.3969/j.issn.1001-2400.2018.06.014

面向天线互耦效应抑制的波束预编码算法

仲伟志1;徐磊1;朱秋明2;陈小敏2;周建江2

(1. 南京航空航天大学航天学院, 江苏南京 210016；
2. 南京航空航天大学电子信息工程学院, 江苏南京 210016)

收稿日期:2018-03-22 出版日期:2018-12-20 发布日期:2018-12-20
作者简介:仲伟志(1980-)，女，讲师，E-mail: zhongwz@nuaa.edu.cn
基金资助:
南京航空航天大学研究生创新基地(实验室)开放基金资助项目(kfjj20171501)；航空科学基金资助项目(2017ZC52021)；中央高校基本科研业务费专项资金资助项目(NS2017066)

Beam precoding algorithm for antenna mutual coupling effect suppression

ZHONG Weizhi1;XU Lei1;ZHU Qiuming2;CHEN Xiaomin2;ZHOU Jianjiang2#br#

#br#

(1. College of Astronautics, NUAA，Najing 210016, China;
2. College of Electronic and Information Engineering, NUAA, Nanjing 210016, China)

Received:2018-03-22 Online:2018-12-20 Published:2018-12-20

摘要/Abstract

摘要： 针对毫米波混合波束成形系统研究中没有考虑天线互耦效应对毫米波系统性能影响问题，结合天线互耦效应分析，提出了一种基于改进正交匹配追踪算法的波束预编码方法．该方法首先推导出了天线互耦矩阵，在此基础上建立了等效互耦信道模型；其次，以所建立的等效互耦信道模型为基础，以最大化传输速率为目标，利用改进的正交匹配追踪算法求得预编码向量，从而获得互耦效应下的最优波束．仿真表明，这种波束预编码方法能够有效地抑制互耦效应造成的波束畸变，保证通信质量．

关键词: 毫米波, 波束成形, 互耦效应, 波束预编码

Abstract: A beam precoding method based on the improved orthogonal matching pursuit (OMP) algorithm is proposed for the millimeter-wave hybrid beamforming system, combined with the analysis of the antenna mutual coupling effect. This method first deduces the antenna mutual coupling matrix, on the basis of which the equivalent mutual coupling channel model is established. Second, with the goal of maximizing the transmission rate, the precoding vector is calculated by utilizing the improved OMP algorithm to obtain the optimal beam under the mutual coupling effect, when the equivalent mutual coupling channel model has been established. Simulation shows that the beam precoding method proposed in this paper can effectively suppress the beam distortion caused by the mutual coupling effect and guarantee the communication quality.

Key words: millimeter wave, beamforming, mutual coupling effect, beam precoding

中图分类号:

TN822+.4

仲伟志, 徐磊, 朱秋明, 陈小敏, 周建江. 面向天线互耦效应抑制的波束预编码算法[J]. 西安电子科技大学学报, 2018, 45(6): 80-85.

ZHONG Weizhi, XU Lei, ZHU Qiuming, CHEN Xiaomin, ZHOU Jianjiang. Beam precoding algorithm for antenna mutual coupling effect suppression[J]. Journal of Xidian University, 2018, 45(6): 80-85.

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面向天线互耦效应抑制的波束预编码算法

Beam precoding algorithm for antenna mutual coupling effect suppression

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面向天线互耦效应抑制的波束预编码算法

Beam precoding algorithm for antenna mutual coupling effect suppression

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