MIMO

作品数:4461被引量:6893H指数:23
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Characteristics and modeling of UAV-vehicle MIMO wideband channels
《The Journal of China Universities of Posts and Telecommunications》2023年第6期60-67,共8页Liang Xiaolin Ma Jiaxu Cao Wangbin Xu Jianpeng Liu Shuaiqi Zhao Xiongwen 
supported by the National Natural Science Foundation of China (62001166, 62172139);the Natural Science Foundation of Hebei Province of China(F2022201055)。
A geometry-based stochastic model(GBSM) for unmanned aerial vehicle to vehicle(UAV-V) multiple-input multiple-output(MIMO) wideband channel is proposed to investigate the characteristics of UAV-V channel. Based on the...
关键词:unmanned aerial vehicle to vehicle(UAV-V) wideband channel geometry-based stochastic model(GBSM) channel characteristics 
Secure degrees of freedom for general MIMO interference channel under rank-deficiency
《The Journal of China Universities of Posts and Telecommunications》2023年第3期65-77,共13页Wang Qiang Zhang Yijia Zhang Tianjiao Zhang Wenqi Gao Yue Tafazolli Rahim 
supported by the National Key Research and Development(R&D)Program of China(2018YFE0205503);the National Natural Science Foundation of China(62071066)。
As a more trackable performance metric for secrecy capacity,the secure degrees of freedom(SDoF)are widely studied for most multiuser networks in the high signal to noise ratio(SNR)region.However,the SDoF for these net...
关键词:confidential messages interference channel multiple-input multiple-output(MIMO) rank-deficient secure degrees of freedom(SDoF) 
Channel estimation for multi-panel millimeter wave MIMO based on joint compressed sensing
《The Journal of China Universities of Posts and Telecommunications》2020年第6期1-7,29,共8页Liu Xu Xie Yang 
This work was supported by Nanjing University of Posts and Telecommunications Scientific Foundation(NY217028,NY215100);China Post-doctoral Science Foundation(2018M640509);the National Science Foundation Program of Jiangsu Province(BK20191378);the National Science Research Project of Jiangsu Higher Education Institutions(18KJB510034).
Channel state information(CSI)is essential for downlink transmission in millimeter wave(mmWave)multiple input multiple output(MIMO)systems.Multi-panel antenna array is exploited in mmWave MIMO system due to its superi...
关键词:channel estimation multi-panel MIMO MILLIMETER wave JOINT orthogonal matching PURSUIT common sparsity 
MIMO-FSK non-coherent detection with spatial multiplexing in fast-fading environment被引量:2
《The Journal of China Universities of Posts and Telecommunications》2020年第5期47-54,共8页Zheng Lin Wang Zhen Chen Jianmei Lin Mengying Deng Xiaofang 
the National Natural Science Foundation of China(61571149,61761014);the Guangxi Key Research and Development Plan(Guike AB18126030)。
Accurate estimationand real-time compensation for phase offset and Doppler shift are essential for coherent multi-input multi-output(MIMO)systems.Here,a spatial multiplexing MIMO scheme with non-coherent frequency-shi...
关键词:non-coherent MIMO MIMO-FSK spatial multiplexing experimental system 
Low-complexity transmit antenna selection algorithm for massive MIMO
《The Journal of China Universities of Posts and Telecommunications》2020年第5期63-68,共6页Li Xinmin Li Guomin Liu Yang Guo Tian Li Pu Li Yarn 
the National Natural Science Foundation of China(61801371)。
Massive multiple input multiple output(MIMO)systems can increase capacity and reliability greatly.However,extremely high hardware costs and computational complexity lead to the demand for reasonable antenna selection....
关键词:massive MIMO transmit antenna selection convex optimization 
Novel physical probe configurations in a multi-probe based 3D MIMO OTA setup被引量:1
《The Journal of China Universities of Posts and Telecommunications》2017年第1期60-66,共7页Wang Weimin Li Muyuan Liu Yuan'an Wu Yongle Li Shulan 
supported by the National Natural Science Foundation of China(61327806);the Youth Foundation of Beijing University of Posts and Telecommunications(2016RC14);The Corresponding Patent(CN 106209284 A)is pending
In this paper, channel spatial characteristics which mainly depend on the spatial correlation are selected as the significant factors in over-the-air (OTA) testing for multiple input multiple output (MIMO) devices...
关键词:MIMO OTA channel spatial characteristics multi-probe anechoic chamber physical configuration 
Gram-Schmidt based hybrid beamforming for mm Wave MIMO systems
《The Journal of China Universities of Posts and Telecommunications》2016年第6期53-59,共7页Li Xiaohui Lin Yingchao Meng Meimei Hei Yongqiang 
supported by the National Natural Science Foundation of China (61201134);the Hi-Tech Research and Development Program of China (2014AA01A704);the 111 Project (B08038)
Due to the high cost and power consumption of the radio frequency(RF) chains, it is difficult to implement the full digital beamforming in millimeter-wave(mm Wave) multiple-input multiple-output(MIMO) systems. F...
关键词:MIMO hybrid beamforming mmWave 
Performance analysis of frequency synchronization in MIMO-OFDM systems with ST/MRC scheme
《The Journal of China Universities of Posts and Telecommunications》2016年第5期10-14,39,共6页Han Daoqi Zhang Jianhua Yu Hao Liu Mengmeng 
supported by the National Science and Technology Major Project of the Ministry of Science and Technology (2015ZX03002008);the National Natural Science Foundation of China (61322110)
In this paper, the performance of frequency synchronization in a multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system is analyzed for the purpose of carrier frequency offset ...
关键词:MIMO OFDM frequency synchronization 
Non-orthogonal pilot pattern for sparse channel estimation in large-scale MIMO-OFDM system被引量:1
《The Journal of China Universities of Posts and Telecommunications》2016年第4期63-68,共6页Xu Chao Zhang Jianhua Yin Changchuan 
supported by the National Science and Technology Major Project of the Ministry of Science and Technology(2014ZX03003011-004);the National Key Technology Research and Development Program of the Ministry of Science and Technology of China(2012BAF14B01);the National NaturalScience Foundation of China(61322110);the Hi-Tech Research and Development Program of China(2014AA01A705);the Doctoral Fund of Ministry of Education(201300051100013)
From the perspective of compressed sensing(CS) theory, the channel estimation problem in large-scale multiple input multiple output(MIMO)-orthogonal frequency division multiplexing(OFDM) system is investigated. ...
关键词:large-scale MIMO CS channel estimation pilot pattern 
Interference cancellation method based on space-time code for MIMO interference channel
《The Journal of China Universities of Posts and Telecommunications》2016年第3期45-50,共6页Yang Dong Tian Xinji 
supported by Opening Foundation of Opening Project of Mine Informatization of Henan (KY2015-01);the Fundamental Research Funds for the Universities of Henan Province (NSFRF140126)
We investigate how to cancel interference by using space time code and codeword space alignment for multiple-input multiple-output (MIMO) Y channel consisting of three users and a relay. All the nodes adopt Alamouti...
关键词:MIMO Y channel space-time code space alignment feedback amount 
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