MULTIUSER

作品数：115被引量：114H指数：6
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Blind Signal Reception in Downlink Generalized Spatial Modulation Multiuser MIMO System Based on Minimum Output Energy
《Chinese Journal of Electronics》2024年第2期504-515,共12页Wei-Chiang WU 
This paper considers downlink multiuser multiple-input-multiple-output system with parallel spatial modulation scheme,in which base station transmitter antennas are separated into K groups corresponding to K user term...
关键词：Generalized spatial modulation Multiuser multiple-input-multiple-output Multiuser interference Minimum output energy Minimax. 
Channel Estimation for Reconfigurable Intelligent Surface Aided Multiuser Millimeter-Wave/THz Systems
《China Communications》2024年第3期91-103,共13页Chu Hongyun Pan Xue Li Baijiang 
It is assumed that reconfigurable intelligent surface(RIS)is a key technology to enable the potential of mmWave communications.The passivity of the RIS makes channel estimation difficult because the channel can only b...
关键词：atomic norm minimization cascaded channel estimation convex optimization mmWave/THz reconfigurable intelligent surface(RIS) sparsity 
A TDMA Approach for OFDM-Based Multiuser RadCom Systems被引量：2
《China Communications》2023年第5期93-103,共11页Yixuan Huang Su Hu Gang Wu 
supported in part by the National Natural Science Foundation of China(No.61971092,No.62222121);in part by the Sichuan Province Foundation for Distinguished Young Scholars(2020JDJQ0023);in part by the Fundamental Research Funds for the Central Universities(ZYGX2020ZB045,ZYGX2019J123).
This paper is focused on the multiuser implementation of fusion of radar and communication(RadCom)in internet-of-vehicles(IoV)scenarios.Traditional time-division multiple access(TDMA)technology degrades the velocity d...
关键词：RadCom time-division multiple access(TDMA) orthogonal frequency-division multiplexing(OFDM) internet-of-vehicles(IoV) 
Low-complexity soft-output signal detector based on adaptive pre-conditioned gradient descent method for uplink multiuser massive MIMO systems
《Digital Communications and Networks》2023年第2期557-566,共10页Souleymane Berthe Xiaorong Jing Hongqing Liu Qianbin Chen 
supported by National Natural Science Foundation of China under Grant 61501072 and 61701062;Chongqing Research Program of Basic Research and Frontier Technology under Grant cstc2019jcyj-msxmX0079;Program for Changjiang Scholars and Innovative Research Team in University under Grant IRT16R72.
In multiuser massive Multiple Input Multiple Output(MIMO)systems,a large amount of antennas are deployed at the Base Station(BS).In this case,the Minimum Mean Square Error(MMSE)detector with soft-output can achieve th...
关键词：Multiuser massive MIMO MMSE algorithm GD Method Soft-output PRE-CONDITIONING Symmetric rank one update 
Optimal dynamic spectrum allocation-assisted latency minimization for multiuser mobile edge computing被引量：3
《Digital Communications and Networks》2022年第3期247-256,共10页Yang Li Tianshun Wang Yuan Wu Weijia Jia 
supported in part by the Joint Scientific Research Project Funding Scheme between Macao Science and Technology Development Fund and the Ministry of Science and Technology of the People's Republic of China under Grant 0066/2019/AMJ;in part by the Intergovernmental International Cooperation in Science and Technology Innovation Program under Grants 2019YFE0111600;in part by the Macao Science and Technology Development Fund under Grants 0060/2019/A1 and 0162/2019/A3;in part by National Natural Science Foundation of China under Grant 62072490;in part by Research Grant of University of Macao under Grants MYRG2018-00237-FST and SRG2019-00168-IOTSC;in part by FDCT SKL-IOTSC(UM)-2021-2023.
Mobile Edge Computing(MEC)has been envisioned as an efficient solution to provide computation-intensive yet latency-sensitive services for wireless devices.In this paper,we investigate the optimal dynamic spectrum all...
关键词：Multiuser mobile edge computing Dynamic bandwidth allocation Computation offloading Resource allocations 
Beam alignment for millimeter wave multiuser MIMO systems using sparse-graph codes
《Science China(Information Sciences)》2022年第5期279-280,共2页Long CHENG Guangrong YUE Pei XIAO Ning WEI Shaoqian LI 
partly supported by National Key Research and Development Program of China(Grant No.2020YFB1805001);National Natural Science Foundation of China(Grant No.61831004);ZTE Corporation;China Scholarship Council;supported by the UK Engineering and Physical Sciences Research Council(Grant No.EP/P03456X/1)。
Dear editor,To achieve millimeter wave(mmWave)beam alignment,a class of beam scanning and searching schemes have been extensively studied[1–3].Recently,to address the problems of high sample complexity in traditional...
关键词：MILLIMETER MIMO ALIGNMENT 
Low-cost intelligent reflecting surface aided Terahertz multiuser massive MIMO:design and analysis
《Science China(Information Sciences)》2021年第10期69-83,共15页Guanghua YU Xiaoming CHEN Xiaodan SHAO Caijun ZHONG 
supported by National Key R&D Program of China(Grant No.2020YFB1805703);National Natural Science Foundation of China(Grant No.61871344);Zhejiang Provincial Natural Science Foundation of China(Grant No.LR20F010002)。
Terahertz(THz)multiuser massive multiple-input multiple-output(MIMO)has been envisioned as a promising technique to support massive connectivity in next-generation wireless networks.However,due to ultra-high frequency...
关键词：THz communication IRS massive MIMO precoding error coverage enhancement 
Multitask deep learning-based multiuser hybrid beamforming for mm-wave orthogonal frequency division multiple access systems
《Science China(Information Sciences)》2020年第8期35-45,共11页Jing JIANG Yue LI Long CHEN Jianbo DU Chunguo LI 
National Natural Science Foundation of China(Grant Nos.61871321,61901367);National Science and Technology Major Project(Grant No.2017ZX03001012-005);Shaanxi STA International Cooperation and Exchanges Project(Grant No.2017KW-011)。
Multiuser hybrid beamforming of a wideband millimeter-wave(mm-wave)system is a complex combinatorial optimization problem.It not only needs large training data,but also tends to overfit and incur long run-time when mu...
关键词：millimeter wave systems user scheduling deep neural network multitask learning hybrid beamforming 
The Analysis of Multiuser Relaying Mixed RF/FSO Networks over Exponentiated Weibull Fading Channel
《China Communications》2020年第7期224-235,共12页Zhengguang Gao Jiawei Zhang Pengfei Zhu Yuefeng Ji 
supported by the National Nature Science Foundation of China Projects(No.61871051);the Beijing Natural Science Foundation(No.4192039);the fund of State Key Laboratory of Advanced Optical Communication Systems and Networks,China,No.2019GZKF5。
In this paper,the performance of multiuser relaying mixed radio frequency(RF)/free space optical(FSO)networks over exponentiated Weibull Fading Channel is studied.Based on the transmit opportunistic scheduling,a unifi...
关键词：FSO CHANNEL system 
A 3-D Multiuser HAP-MIMO Channel Model Based on Dynamic Evolution of LOS Components
《Chinese Journal of Electronics》2019年第3期645-650,共6页LIAN Zhuxian JIANG Lingge HE Chen HE Di 
supported by the National Natural Science Foundation of China(No.61771308);the Open Research Fund of National Mobile Communications Research Laboratory,Southeast University(No.2017D11)
A theoretical Three dimensional(3-D) multiuser High altitude platform(HAP) Multipleinput multiple-output(MIMO) channel model based on dynamic evolution of the Line-of-sight(LOS) components is proposed. In this paper, ...
关键词：High ALTITUDE platform(HAP) Twostate CONTINUOUS-TIME MARKOV chain(CTMC) ChapmanKolmogorov(C-K) equations 
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