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Resource Allocation for RSMA-Aided Multibeam Satellite Communications: 《China Communications》2025年第2期241-255,共15页Cui Huanxi Xiao Zhenyu Zhu Lipeng; This paper investigates the resource allocation for rate-splitting multiple access(RSMA)enabled multibeam satellite communication systems.Specifically,we minimize the total unmet user rate,which denotes the difference...; 关键词：multibeam satellite power allocation PRECODING rate allocation rate-splitting multiple access(RSMA)

Secure beamforming and deployment design for rate-splitting multiple access-based UAV communications: 《Science China(Information Sciences)》2025年第1期339-353,共15页Bing WANG Xiaofeng TAO Shujun HAN Huici WU Kai YANG Zhu HAN; supported in part by National Natural Science Foundation of China (Grant Nos. 62271076,61932005);Fundamental Research Funds for the Central Universities (Grant No. 2242022k60006);111 Project of China (Grant No. B16006); Rate-splitting multiple access(RSMA)has recently gained attention as a potential robust multiple access(MA)scheme for upcoming wireless networks.Given its ability to efficiently utilize wireless resources and design i...; 关键词：rate-splitting multiple access UAV communication precoding optimization deployment location physical layer security

Low Complexity Hybrid Wideband Beamforming for Millimeter-Wave Massive MIMO-OFDM Systems: 《China Communications》2024年第12期39-48,共10页Mohammad Assaf Oleg G Ponomarev; In mmWave massive multiple-input multiple-output(MIMO)communication systems,the extension of low-complexity narrowband precoding schemes to be operated on wideband systems under frequency-selective channels remains an...; 关键词：analog/digital precoding massive MIMO millimeter wave communication wideband hybrid

An Optimal and Fast Precoding for RIS-Assisted MIMO Communications: 《China Communications》2024年第11期123-140,共18页Feng Yimeng Jiang Yi Qin Yajie Jin Shi; supported by National Natural Science Foundation of China Grant No.61771005。; In addition to conventional antenna-based array,the reconfigurable intelligent surface(RIS)holds promise as an alternative technology for manufacturing massive multi-input multi-output(MIMO)array for beyond 5G communi...; 关键词：majorization theory MIMO PRECODER reconfigurable intelligent surface

Joint Optimization of Precoding and Constellation Shaping for Faster-than-Nyquist Signaling: 《China Communications》2024年第11期141-149,共9页Kang Weimin; supported by Fundamental Research Program of Shanxi Province(202203021212159)。; Faster-than-Nyquist(FTN)signaling is a potential scheme for the sixth generation(6G)communication system to improve the spectral efficiency(SE).In this paper,we propose a joint optimization algorithm of precoding and ...; 关键词：constellation shaping faster-than-Nyquist PRECODING spectral efficiency

Secure symbol level precoding for cell-free network based on band-region constraint of the eavesdropper’s receiving signal: 《High Technology Letters》2024年第3期304-309,共6页LI Zewen JIN Yong FU Chunling PENG Xin HU Zhentao; the National Natural Science Foundation of China(No.61976080);the Key Research Projects in Henan Province of China(No.231111212500).; A symbol level secure precoding scheme based on band-region constraint of the eavesdropper’s receiving signal is proposed to enhance the energy efficiency of cell-free multiple-input multiple-output(MIMO)networks in ...; 关键词：cell-free symbol-level precoding(SLP) physical layer security(PLS) multi-ple-input multiple-output(MIMO) band-region constraint

Hybrid Block Diagonalization Precoding for Multi-User Weighted Sum-Rate Maximization: 《China Communications》2024年第8期127-141,共15页Su Xiaofeng Jiang Yi; supported by National Natural Science Foundation of China(No.61771005); This paper studies large-scale multi-input multi-output(MIMO)orthogonal frequency division multiplexing(OFDM)communications in a broadband frequency-selective channel,where a massive MIMO base station(BS)communicates ...; 关键词：block-diagonal gradient descent hybrid precoding iterative optimization MIMO-OFDM MULTI-USER water-filling power allocation weighted sum-rate maximization

High Energy Efficiency Dynamic Connected Hybrid Precoding for mm Wave Massive MIMO Systems: 《China Communications》2024年第5期36-44,共9页Du Ruiyan Liu Huajing Li Tiangui Liu Fulai; supported by the National Natural Science Foundation of China(Grant No.61971117);the Natural Science Foundation of Hebei Province(Grant No.F2020501007);the S&T Program of Hebei(No.22377717D)。; This paper considers a high energy efficiency dynamic connected(HEDC)structure,which promotes the practicability and reduces the power consumption of hybrid precoding system by lowresolution phase shifters(PSs).Based ...; 关键词：energy efficiency hybrid precoding mmWave optimized resolution phase shifter

Channel-Feedback-Free Transmission for Downlink FD-RAN:A Radio Map Based Complex-Valued Precoding Network Approach: 《China Communications》2024年第4期10-22,共13页Zhao Jiwei Chen Jiacheng Sun Zeyu Shi Yuhang Zhou Haibo Xuemin(Sherman)Shen; supported in part by the National Natural Science Foundation Original Exploration Project of China under Grant 62250004;the National Natural Science Foundation of China under Grant 62271244;the Natural Science Fund for Distinguished Young Scholars of Jiangsu Province under Grant BK20220067;the Natural Sciences and Engineering Research Council of Canada (NSERC); As the demand for high-quality services proliferates,an innovative network architecture,the fully-decoupled RAN(FD-RAN),has emerged for more flexible spectrum resource utilization and lower network costs.However,with ...; 关键词：beamforming complex neural networks deep learning FD-RAN

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

PRECODING