基于容量相关字典的5G毫米波大规模天线单元选择算法

王琦; 赵雄文; 张蕊; 李树; 王蒙军; 孙韶辉

doi:10.11999/JEIT170228

基于容量相关字典的5G毫米波大规模天线单元选择算法

doi: 10.11999/JEIT170228

1.
(华北电力大学电气与电子工程学院北京 102206) ②(中国电波传播研究所电波环境特性与模化技术国家重点实验室青岛 266107) ③(电信科学技术研究院无线移动通信国家重点实验室北京 100191)

基金项目:

中国电波传播研究所电波环境特性与模化技术国防重点实验室基金(201600012)，电信科学技术研究院无线移动通信国家重点实验室基金(DTimo.15.094)，中央高校基金(2015XS19)

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出版历程
- 收稿日期: 2017-03-20
- 修回日期: 2017-06-28
- 刊出日期: 2017-12-19

Antenna Selection Algorithm Using Capacity Correlation Dictionary for 5G Millimeter Wave Massive Antenna Systems

1.
(School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China)

Funds:

The National Key Laboratory of Electromagnetic Environment(201600012), China Research Institute of Radiowave Propagation, The State Key Laboratory of Wireless Mobile Communications, China Academy of Telecommunications Technology (DTimo.15.094), The Fundamental Research Funds for the Central Universities (2015XS19)

摘要

摘要: 针对传统天线选择算法在大规模天线阵列应用中的局限性，该文在多用户场景下提出一种基于容量相关字典的5G毫米波大规模天线随机选择算法。该算法通过特定环境中不同位置处的多用户与基站的交互，快速提取大规模天线单元间容量的强弱相关特性，并建立相关字典；在天线选择时，先搜索最优信道容量单元连接射频链路，再随机选择相关字典中与最优单元容量相关大的天线单元接入其余射频链路。该方法大大降低了传统天线选择算法应用的复杂度，只与环境有关且较为稳定，当新用户加入时也无需重新建立相关字典。该方法通过损失一部分性能来换取较低的复杂度，适用于天线单元多的大规模天线阵列。此外，该文在室内开放式办公室开展了26 GHz视距和非视距下的大规模天线信道测试，分析了不同场景下的天线阵列行间单元间的容量相关性，并对该算法的系统信道容量性能进行了实验验证。
- 大规模天线系统 /
- 相关字典 /
- 随机选择 /
- 毫米波
Abstract: In order to solve the limitation to use the traditional antenna selection algorithm in a massive antenna for fifth Generation (5G) system, a random antenna selection algorithm based on the dictionary of capacity correlation in multi-users scenario is proposed. Before the dictionary is built, the correlation characteristics among antenna units are abstracted by the interactions between the base station and users at different locations. It needs to search the antenna unit with optimal capacity to connect one Radio Frequency (RF) link, and the reminder RF links can select the antennas randomly which have the large correlation with the optimal one in the dictionary. The method is applicable to massive antennas system because of its low complexity and stability. Moreover, there is no need to renew the dictionary for coming new users. In addition, the massive antenna channel measurements in an open office including line-of-sight and none-line-of-sight at 26 GHz are carried out to analyze the capacity correlations among the antenna units located in different rows as well as to verify the system capacity performance with the random antenna selection algorithm proposed in this work.
- Massive antenna system /
- Dictionary of capacity correlation /
- Random selection /
- Millimeter wave

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参考文献(21)

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