Adaptive beamforming of massive MIMO based on DoA in high mobility scenarios

Yong LIAO; Yu-feng LI; Xuan-fan SHEN

doi:10.11959/j.issn.1000-436x.2017086

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Adaptive beamforming of massive MIMO based on DoA in high mobility scenarios

Papers | 更新时间：2024-06-05

- Adaptive beamforming of massive MIMO based on DoA in high mobility scenarios
- Journal on Communications Vol. 38, Issue 6, Pages: 58-67(2017)
- 作者机构：
  
  1. 重庆大学飞行器测控与通信教育部重点实验室，重庆 400044
  2. 西安电子科技大学综合业务网理论及关键技术国家重点实验室，陕西西安 710071
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61501066);The National Natural Science Foundation of China(61201133);The National Natural Science Foundation of China(61571338);The National Science and Technology Major Project of China(2015zx03002006-003);The National Science and Technology Major Project of China(MJ-2014-S-37);The National High Technology Re-search and Development Program of China(2015AA015701);The Chongqing Frontier and Applied Basic Research Project(cstc2015jcyjA40003);The Chongqing Frontier and Applied Basic Research Project(cstc2016jcyjA0209);Applied Basic Research Project of Sichuan Province(2016JY0179);The Open Fund of the State Key Laboratory of Integrated Services Networks of Xidian University(ISN16-03);The Fundamental Research Funds for the Central Universities(106112014CDJZR165505);The Fundamental Research Funds for the Central Universities(106112017CDJXY500001)
- DOI：10.11959/j.issn.1000-436x.2017086
  CLC： TN929.5
- Online First：2017-06，
  
  Published：25 June 2017
- 稿件说明：
移动端阅览
Yong LIAO, Yu-feng LI, Xuan-fan SHEN. Adaptive beamforming of massive MIMO based on DoA in high mobility scenarios[J]. Journal on Communications, 2017, 38(6): 58-67.
DOI：

Yong LIAO, Yu-feng LI, Xuan-fan SHEN. Adaptive beamforming of massive MIMO based on DoA in high mobility scenarios[J]. Journal on Communications, 2017, 38(6): 58-67. DOI： 10.11959/j.issn.1000-436x.2017086.

摘要

提出了高速场景下基于到达角（DoA

direction of arrival）的大规模多输入多输出（MIMO，multiple input multiple output）波束成形设计。同时，为了保证高铁在运行过程中获得最佳的系统容量，提出一种迭代的最优多波束选择方法。该方法能实时跟踪高铁不同的移动车厢终端（MCT

mobile carriage terminal），自适应选择不同波束所需的发射天线数和自适应调节波束总数目，且不需要信道状态信息（CSI

channel state information），从而降低系统复杂度和节省开销。数值结果表明，与传统方法相比所提方法能有效适应高速移动场景，提高系统容量。

Abstract

A direction of arrival based (DoA-based) beamforming of massive MIMO was proposed for high-speed railway scenarios.In order to guarantee that the optimal system capacity can be obtained during traveling

an iterative multi-beams scheme was proposed.It aimed to design different beams for different mobile carriage terminals (MCT) respectively.The proposal adaptively selected the number of antennas for each beam

and adaptively designed the number of beams according to system capacity.Moreover

the scheme didn’t need channel state information (CSI) that can reduce system implementation complexity and cost.Numerical results indicate that the proposed scheme is suitable for high-speed scenarios

the system performance can be improved more efficiently compared to conventional methods.

关键词

Keywords

references

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