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Impact of non-ideal UE hardware on cell-free massive MIMO network with centralized operation
《Science China(Information Sciences)》2024年第4期251-267,共17页Ning LI Pingzhi FAN 
supported by National Natural Science Foundation of China(Grant No.62020106001);111 Project(Grant No.111-2-14)。
This paper investigates the impact of non-ideal user equipment(UE)hardware on a cell-free(CF)massive MIMO(mMIMO)network with centralized operation under spatially correlated channels.The minimum mean-squared error(MMS...
关键词：cell-free massive MIMO centralized operation spatially correlated channels hardware impairments channel estimation uplink spectral efficiency optimal receive combining pilot length design fractional power control 
Slicing capacity-centered mode selection and resource optimization for network-assisted full-duplex cell-free distributed massive MIMO systems
《Science China(Information Sciences)》2024年第1期199-216,共18页Jie WANG Jiamin LI Pengcheng ZHU Dongming WANG Hongbiao ZHANG Yue HAO Bin SHENG 
supported in part by National Key Research and Development Program (Grant No.2021YFB2900300);National Natural Science Foundation of China (Grants Nos.61971127,61871122);Southeast University-China Mobile Research Institute Joint Innovation Center;Major Key Project of PCL (Grant No.PCL2021A01-2)。
Network-assisted full-duplex(NAFD) cell-free distributed massive multiple-input multipleoutput(MIMO) systems enable uplink(UL) and downlink(DL) communications within the same timefrequency resources,which potentially ...
关键词：network-assisted full-duplex network slicing mode selection resource optimization deep rein-forcement learning 
Manifold optimization assisted centralized hybrid precoding for cell-free massive MIMO systems
《Science China(Information Sciences)》2023年第11期301-302,共2页Jie LUO Jiancun FAN Yawen WANG Jinbo ZHANG 
supported by National Natural Science Foundation of China(Grant No.61671367);Research Foundation of Science and Technology on Communication Networks Laboratory。
In the sixth generation(6G)wireless communication,cellfree massive multiple-input multiple-output(MIMO)has emerged as a promising technology due to it can improve macro diversity gain,enhance edge user service quality...
关键词：MIMO MASSIVE wireless 
Full-spectrum cell-free RAN for 6G systems:system design and experimental results被引量：9
《Science China(Information Sciences)》2023年第3期76-89,共14页Dongming WANG Xiaohu YOU Yongming HUANG Wei XU Jiamin LI Pengcheng ZHU Yanxiang JIANG Yang CAO Xinjiang XIA Ziyang ZHANG Qingji JIANG Pan WANG Dongjie LIU Kang ZHENG Mengting LOU Jing JIN Qixing WANG Jiangzhou WANG 
supported in part by National Key Research and Development Program(Grant Nos.2020YFB1807205,2020YFB1806608);Research and Development Project in the Key Areas of Guangdong Province(Grant No.2020B0101120003);Southeast-China Mobile Research Institute Joint Innovation Center and by Major Key Project of PCL(Grant No.PCL2021A01-2).
With distributed transceivers and scalable cooperative transmission,cell-free massive multipleinput multiple-output(CF-mMIMO)technology eliminates the“cells”of traditional mobile communications,thereby significantly...
关键词：6G scalable cell-free massive MIMO cell-free radio access network prototype system 
Joint optimization of spectral efficiency and energy efficiency with low-precision ADCs in cell-free massive MIMO systems被引量：2
《Science China(Information Sciences)》2022年第5期165-179,共15页Han WANG Chang SUN Jiamin LI Pengcheng ZHU Dongming WANG Xiaohu YOU 
supported in part by National Key Research and Development Program(Grant No.2020YFB1806600);National Natural Science Foundation of China(Grant Nos.61971127,61871465,61871122);Fundamental Research Funds for the Central Universities。
In cell-free massive multiple-input multiple-output(MIMO)systems,it is beneficial to apply low-precision analog-to-digital converters(ADCs)to reduce power consumption,hardware cost,and the load on backhaul link.Howeve...
关键词：cell-free massive MIMO low-precision ADC spectral efficiency energy efficiency multi-objective optimization 
Uplink transmission design for crowded correlated cell-free massive MIMO-OFDM systems被引量：2
《Science China(Information Sciences)》2021年第8期123-138,共16页Junyuan GAO Yongpeng WU Yongjian WANG Wenjun ZHANG Fan WEI 
National Key R&D Program of China(Grant No.2018YFB1801102);Jiangxi Key R&D Program(Grant No.20181ACE50028);National Natural Science Foundation of China(Grant No.61701301);Open Research Project of State Key Laboratory of Integrated Services Networks(Xidian University)(Grant No.ISN20-03);Shanghai Key Laboratory of Digital Media Processing and Transmission(Grant No.STCSM18DZ2270700);National Natural Science Foundation of China(Grant No.61931019);Shanghai Key Laboratory of Digital Media Processing and Transmission(Grant No.STCSM18DZ2270700).
In cell-free massive multiple-input multiple-output(MIMO)orthogonal frequency division multiplexing(OFDM)systems,user equipments(UEs)are served by many distributed access points(APs),where channels are correlated owin...
关键词：APSP set allocation cell-free massive MIMO-OFDM correlated channels crowded scenarios power control 
Joint optimization of spectral efficiency for cell-free massive MIMO with network-assisted full duplexing被引量：2
《Science China(Information Sciences)》2021年第8期152-167,共16页Xinjiang XIA Pengcheng ZHU Jiamin LI Hao WU Dongming WANG Yuanxue XIN 
National Key Research and Development Program(Grant No.2018YFE0205902);National Natural Science Foundation of China(NSFC)(Grant Nos.61871122,61971127,61871465,61801168).
In this paper,we investigate duplex mode selection and transceiver design for cell-free massive multiple-input multiple-output(MIMO)with network-assisted full duplexing(NAFD),where the remote antenna units(RAUs)simult...
关键词：cell-free massive MIMO network-assisted full duplexing mode selection success convex approximations spectral efficiency 
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