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作品数:151被引量:183H指数:7
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相关领域:理学更多>>
相关作者:朱成建王建伟何小伟李江涛钱浩然更多>>
相关机构:南京大学浙江大学医学院附属第二医院东北电力大学中国科学院大学更多>>
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相关基金:国家自然科学基金中国博士后科学基金王宽诚敎育基金国家重点基础研究发展计划更多>>
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Joint Pilot Design and Beamforming Optimization in Massive MIMO Surveillance Systems
《China Communications》2022年第4期83-97,共15页Caihong Kai Xiangru Zhang Xinyue Hu Wei Huang 
supported in part by the National Natural Science Foundation of China under Grants 61971176 and 61901156;in part by the Anhui Provincial Natural Science Foundation under Grant 2008085QF281;in part by the Fundamental Research Fund for the Central Universities of China under Grant JZ2021HGTB0081。
This paper proposes a novel joint channel estimation and beamforming scheme for the massive multiple-input-multiple-output(MIMO)frequency-division duplexing(FDD) wireless legitimate surveillance system. With the propo...
关键词:proactive eavesdropping massive MIMO channel estimation pilot contamination beamforming 
Pseudo-Channel Matrix Truncation Based Spatial Correlation Mitigation in Massive MIMO
《China Communications》2021年第9期130-147,共18页Yitian Chen Shaoshuai Gao Guofang Tu Hao Qiu 
National Key R&D Program of China(2017YFB0403604);the Fundamental Research Funds for the Central Universities(No.292021000242);the National Natural Science Foundation of China(Grant No.61571416,61072045,61032006)。
Massive multiple-input multiple-output(MIMO),a technique that can greatly increase spectral efficiency(SE)of cellular networks,has attracted significant interests in recent years.One of the major limitations of massiv...
关键词:massive MIMO pilot contamination pseudo-channel matrix spatial correlation superim-posed pilots. 
A Pilot Contamination Avoidance Based on Pilot Pattern Design for Ultra-Dense Network
《China Communications》2020年第12期235-246,共12页Jie Huang Fan Yang Yiwen Gao Zhiming Wang Jun Zhong 
This work was supported in part by the Chongqing Research Program of Basic Research and Frontier Technology under Grant cstc2019jcyj-msxmX0233;in part by Science and Technology Research Program of Chongqing Education Commission of China under Grant KJQN201901125,Grant KJQN201901103;in part by the Scientific Research Foundation of Chongqing University of Technology under Grant 2019ZD42,Grant 2019ZD63.
With the ever-growing number of base stations(BSs)and user equipments(UEs)in ultra-dense networks(UDN),reusing the same pilot sequences among the cells is inevitable.With pilot reuse scheme,the channel estimation obta...
关键词:ultra-dense networks(UDN) pilot reuse interference avoidance pilot pattern design 
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