The Variation of Clusters with Increasing Number of Antennas by Virtual Measurement

被引：0

作者：

Wang, Chao ^{[1
]}

Zhang, Jianhua ^{[1
]}

Tian, Lei ^{[1
]}

Liu, Mengmeng ^{[1
]}

Wu, Ye ^{[2
]}

机构：

[1] Beijing Univ Posts & Telecommun, Wireless Technol Innovat Inst, Minist Educ, Key Lab Universal Wireless Commun, POB 92, Beijing 100876, Peoples R China

[2] Huawei Technol Co Ltd, Shenzhen, Peoples R China

来源：

2017 11TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2017年

基金：

中国国家自然科学基金;

关键词：

massive MIMO; cluster; virtual measurement; MASSIVE MIMO;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper shows the variation of clusters with the increasing number of antennas. The data was collected from the massive MIMO mobile measurement at 3.5 GHz, in line of sight (LoS) and non line of sight (NLoS) conditions, respectively. And the virtual measurement method is used to form the 64-element, 128-element and 256-element virtual antenna array from the 32-element antenna array. After estimating parameters by the space-alternating generalized expectation maximization (SAGE) algorithm and clustering by KPowerMeans algorithm, the parameters of clusters are displayed in angular domain and delay domain. The cluster-level angular power spectrums (APS) are shown, the intra-cluster angular spread (AS) and intra-cluster delay spread (DS) of these 4 groups of data are calculated, to display the clusters' variation when antenna number increases.

引用

页码：648 / 652

页数：5

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