毫米波相控阵的一种迭代波束成形方法

doi:10.3969/j.issn.1001-2400.2017.06.022

西安电子科技大学学报

毫米波相控阵的一种迭代波束成形方法

唐俊林1,2;曾媛3;岳光荣1;李少谦1

(1. 电子科技大学通信抗干扰技术国家重点实验室，四川成都 611731；
2. 中国电子科技集团第54研究所通信网信息传输与分发技术重点实验室，河北石家庄 050081;
3. 上海宇航系统工程研究所, 上海 201108)

收稿日期:2016-12-18 出版日期:2017-12-20 发布日期:2018-01-18
作者简介:唐俊林(1986-)，男，电子科技大学博士研究生，E-mail: sailor006@gmail.com
基金资助:
国家自然科学基金资助项目(61401447，61571082)；通信网信息传输与分发技术重点实验室开放课题资助项目(KX152600016/ITD-U15007)

Iterative beamforming method for the millimeter wave phased array

TANG Junlin1,2;ZENG Yuan3;YUE Guangrong1;LI Shaoqian1

（1. National Key Lab. of Science and Technology on Communications, Univ. of Electronic Science and Technology of China, Chengdu 611731, China;
2. The 54th Research Institute of China Electronics Technology Group Corporation, Science and Technology on Information Transmission and Dissemination in Communication Networks Laboratory, Shijiazhuang 050081, China;
3. Shanghai Institute of Aerospace System Engineering, Shanghai 201108, China)

Received:2016-12-18 Online:2017-12-20 Published:2018-01-18

摘要/Abstract

摘要：

针对毫米波相阵架构提出了一种迭代波束成形方法．该方法利用在阵列较大的情况下，毫米波信道不同路径的近似正交的性质，通过在收发端阵列不断对信号进行迭代发送和接收，从而获取毫米波信道中具有最大增益的路径，并以最大增益路径对应的阵列响应作为收发双方的波束成形向量．仿真表明，该方法能够获得接近于奇异值分解方法的频谱效率，实现高速率数据传输; 同时具有快速收敛的特性，一般在迭代3次后算法收敛．

关键词: 毫米波, 相阵, 波束成形, 迭代

Abstract:

This paper presents an iterative beamforming method for the millimeter wave phased array. This method uses the approximate orthogonal property for the different paths in the millimeter-wave channel in the case of a large array, and obtains the path with the largest gain in the millimeter-wave channel by iteratively sending the received signal to the other side. The array responses correspond to the path with the maximum gain are used as a beamforming vector for both the transmitter and receiver. Simulation results show that the spectral efficiency obtained by this method is close to the spectral efficiency obtained by the singular value decomposition(SVD) method and has a performance promotion compared with the existing IEEE802.15.3c method. The proposed method has a fast convergence rate and convergence is generally obtained in 3 iterations.

Key words: millimeter wave, phased array, beamforming, iteration

唐俊林;曾媛;岳光荣;李少谦. 毫米波相控阵的一种迭代波束成形方法[J]. 西安电子科技大学学报, 2017, 44(6): 122-128.

TANG Junlin;ZENG Yuan;YUE Guangrong;LI Shaoqian. Iterative beamforming method for the millimeter wave phased array[J]. Journal of Xidian University, 2017, 44(6): 122-128.

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毫米波相控阵的一种迭代波束成形方法

Iterative beamforming method for the millimeter wave phased array

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