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CELL-FREE: 作品数：148被引量：425H指数：12; 导出分析报告; 相关作者：冉静学孙强李秀军郭晓东侯朝晖更多>>; 相关机构：哈尔滨工业大学中国航天科工集团第四研究院北京机电工程总体设计部中央民族大学凯迪迪爱通信技术有限公司更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划北京市自然科学基金更多>>

A Hybrid Small-Cell and Clustered Cell-Free Massive MIMO System under Mobility Scenarios: 《China Communications》2024年第12期49-65,共17页Lu Guangyan Li Lihua Tian Hui; This work was supported by the China National Key Research and Development Plan(No.2020YFB1807204).; Recently,cell-free(CF)massive multipleinput multiple-output(MIMO)becomes a promising architecture for the next generation wireless communication system,where a large number of distributed access points(APs)are deploye...; 关键词：access point(AP)selection clustered cell-free Doppler shift effect massive multiple-input multiple-output(MIMO) small-cell

Network-Assisted Full-Duplex Cell-Free mmWave Massive MIMO Systems with DAC Quantization and Fronthaul Compression: 《China Communications》2024年第11期75-87,共13页Li Jiamin Fan Qingrui Zhang Yu Zhu Pengcheng Wang Dongming Wu Hao You Xiaohu; supported in part by the National Natural Science Foundation of China(NSFC)under Grants 61971127,61871465,61871122;in part by the National Key Research and Development Program under Grant 2020YFB1806600;in part by the open research fund of National Mobile Communications Research Laboratory,Southeast University under Grant 2022D11。; In this paper,we investigate networkassisted full-duplex(NAFD)cell-free millimeter-wave(mmWave)massive multiple-input multiple-output(MIMO)systems with digital-to-analog converter(DAC)quantization and fronthaul compre...; 关键词：cell-free massive MIMO DAC quantization millimeter-wave network-assisted full-duplex

Deep Reinforcement Learning Based Joint Cooperation Clustering and Downlink Power Control for Cell-Free Massive MIMO: 《China Communications》2024年第11期1-14,共14页Du Mingjun Sun Xinghua Zhang Yue Wang Junyuan Liu Pei; supported by Guangdong Basic and Applied Basic Research Foundation under Grant 2024A1515012015;supported in part by the National Natural Science Foundation of China under Grant 62201336;in part by Guangdong Basic and Applied Basic Research Foundation under Grant 2024A1515011541;supported in part by the National Natural Science Foundation of China under Grant 62371344;in part by the Fundamental Research Funds for the Central Universities;supported in part by Knowledge Innovation Program of Wuhan-Shuguang Project under Grant 2023010201020316;in part by Guangdong Basic and Applied Basic Research Foundation under Grant 2024A1515010247。; In recent times,various power control and clustering approaches have been proposed to enhance overall performance for cell-free massive multipleinput multiple-output(CF-mMIMO)networks.With the emergence of deep reinfo...; 关键词：cell-free massive MIMO CLUSTERING deep reinforcement learning power control

Distributed Cell-Free Massive MIMO Versus Cellular Massive MIMO Under UE Hardware Impairments: 《Chinese Journal of Electronics》2024年第5期1274-1285,共12页Ning LI Pingzhi FAN; supported by the National Natural Science Foundation of China(Grant No.62020106001).; This paper first investigates and compares the uplink spectral efficiency(SE)of distributed cell-free massive multiple-input multiple-output(mMIMO)and cellular mMIMO networks,both with user equipment(UE)hardware impai...; 关键词：Massive multiple-input multiple-output(mMIMO) Cell-free mMIMO Cellular mMIMO Hardware impairments Uplink Spectral efficiency Energy efficiency Optimal receive combining

Optimal AP Deployment in Cell-Free Massive MIMO Systems with LoS/NLoS Transmissions:A Stochastic Geometry Approach被引量：1: 《China Communications》2024年第9期146-158,共13页Jiang Ling Zhang Qi Zhu Hongbo; supported in part by the National Natural Science Foundation of China under Grant 62171231;in part by the Jiangsu Provincial Key Research and Development Program(No.BE2020084-1)。; Cell-free massive multiple-input multipleoutput(MIMO)is a promising technology for future wireless communications,where a large number of distributed access points(APs)simultaneously serve all users over the same time...; 关键词：cell-free massive MIMO energy efficiency LoS/NLoS transmissions stochastic geometry

Secure resource allocation against colluding eavesdropping in a user-centric cell-free massive multiple-input multiple-output system: 《Frontiers of Information Technology & Electronic Engineering》2024年第4期500-512,共13页Na LI Yuanyuan GAO Kui XU Xiaochen XIA Huazhi HU Yang LI Yueyue ZHANG; supported by the National Natural Science Foundation of China(Nos.62071485,61671472,and 62271503);the Natural Science Foundation of Jiangsu Province,China(Nos.20201334 and 20181335)。; We investigate the resource allocation problem of a cell-free massive multiple-input multiple-output system under the condition of colluding eavesdropping by multiple passive eavesdroppers.To address the problem of li...; 关键词：CELL-FREE Colluding eavesdropping Limited pilot resources Access point selection Security rate

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

Collaborative Caching in Vehicular Edge Network Assisted by Cell-Free Massive MIMO: 《Chinese Journal of Electronics》2023年第6期1218-1229,共12页WANG Chaowei WANG Ziye XU Lexi YU Xiaofei ZHANG Zhi WANG Weidong; supported by the National Key R&D Program of China(2020YFB1807204).; The 6G mobile communications demand lower content delivery latency and higher quality of service for vehicular edge network.With the popularity of content-centric networks,mobile users are paying more and more attenti...; 关键词：Vehicular edge network Cell-free massive MIMO Collaborative caching Content delivery latency Deep reinforcement learning Cache hit ratio

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

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