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FOLMS-AMDCNet:an automatic recognition scheme for multiple-antenna OFDM systems被引量：1: 《Journal of Systems Engineering and Electronics》2023年第2期307-323,共17页ZHANG Yuyuan YAN Wenjun ZHANG Limin LING Qing; supported by the National Natural Science Foundation of China(91538201);the Taishan Scholar Foundation of China(ts201511020).; The existing recognition algorithms of space-time block code(STBC)for multi-antenna(MA)orthogonal frequencydivision multiplexing(OFDM)systems use feature extraction and hypothesis testing to identify the signal types ...; 关键词：blind signal identification(BSI) space-time block code(STBC) orthogonal frequency-division multiplexing(OFDM) deep learning fourth-order lag moment spectrum(FOLMS)

Blind CFO estimation algorithm for OFDM systems by using generalized precoding and trilinear model被引量：1: 《Journal of Systems Engineering and Electronics》2012年第1期10-15,共6页Xiaofei Zhang Dazhuan Xu; supported by the National Natural Science Foundation of China (60801052);the Aeronautical Science Foundation of China(2009ZC52036);Nanjing University of Aeronautics and Astronautics Research Funding (NS2012010; NP2011036); This paper discusses the blind carrier frequency offset （CFO） estimation for orthogonal frequency division multiplexing （OFDM） systems by utilizing trilinear decomposition and genera- lized preceding. Firstly, the...; 关键词：carrier frequency offset （CFO） orthogonal frequency division multiplexing （OFDM） generalized precoding trilinear model.

Compressed sensing based channel estimation for fast fading OFDM systems被引量：2: 《Journal of Systems Engineering and Electronics》2010年第4期550-556,共7页Xiaoping Zhou Yong Fang Min Wang; supported by the National Natural Science Foundation of China(60972056);the Innovation Foundation of Shanghai Education Committee(09ZZ89);Shanghai Leading Academic Discipline Project and STCSM(S30108and08DZ2231100); A compressed sensing（CS） based channel estimation algorithm is proposed by using the delay-Doppler sparsity of the fast fading channel.A compressive basis expansion channel model with sparsity in both time and frequ...; 关键词：compressed sensing sparse channel channel estimation fast fading.

Joint frequency offset tracking and PAPR reduction algorithm in OFDM systems被引量：4: 《Journal of Systems Engineering and Electronics》2010年第4期557-561,共5页Lijun Ge Yingxin Zhao Hong Wu Ning Xu Yu'ang Jin Wenqi Li; supported by the National Natural Science Foundation of China(60872026);the Natural Science Foundation of Tianjin(09JCZDJC16900); This paper presents an algorithm that aims to reduce the peak-to-average power ratio（PAPR） of orthogonal frequency division multiplexing（OFDM） communication systems while maintaining frequency tracking.The algorit...; 关键词：orthogonal frequency division multiplexing（OFDM） peak-to-average power ration（PAPR） carrier frequency offset complex conjugate multicarrier phase locked loop（MPLL） phase error.

Resource allocation with minimum transmit power in multicast OFDM systems: 《Journal of Systems Engineering and Electronics》2010年第3期355-360,共6页Bo Wu Jun Shen Haige Xiang; supported by the National High Technology Research and Development Program of China (863 Program) (2008AA01Z226); To minimize the total transmit power for multicast service in an orthogonal frequency division multiplexing（OFDM） downlink system,resource allocation algorithms that adaptively allocate subcarriers and bits are prop...; 关键词：resource allocation multicast orthogonal frequency division multiplexing （OFDM） integer programming （IP） greedy algorithm.

Blind channel estimation for redundant precoded OFDM systems: 《Journal of Systems Engineering and Electronics》2007年第4期692-697,共6页Liang Yongming Luo Hanwen Wu Yadong Huang Jianguo; This project was supported by the National Natural Science Foundation of China (60572157);National Hi-Tech Research and Development Program (863) of China (2003AA123310).; Considering that channel estimation can play a crucial role in coherent detection of the information symbols in each data block, a blind channel estimation approach is proposed for redundant precoded orthogonal freque...; 关键词：communication technology blind channel estimation redundant precoding auto-correlation SVD

Simplified iterative algorithm for OFDM phase noise mitigation: 《Journal of Systems Engineering and Electronics》2007年第4期716-720,共5页Yang Jianhua Zhao Danfeng Yue Li Zhao Chunhui; OFDM has been widely adopted in several communication systems. However, OFDM systems are very sensitive to the phase noise, which causes the CPE （common phase error） and ICI （inter-carrier interference）, and thus ...; 关键词：phase noise OFDM systems IEEE 802.11a standard inter-carrier interference

Novel time-frequency differential space-time modulation for multi-antenna OFDM systems: 《Journal of Systems Engineering and Electronics》2006年第1期54-58,共5页Tian Jifeng Jiang Haining Song Wentao Luo Hanwen Xu Youyun; ThisprojectwassupportedbytheNationalNaturalScienceFoundationofChina(60272079)andNational"863"HighTech-nologyDevelopmentProjectofChina(2003AA123310).; Differential space-time （DST） modulation has been proposed recently for multiple-antenna systems over Rayleigh fading channels, where neither the transmitter nor the receiver knows the fading coefficients. Among exi...; 关键词：differential space-time modulation MIMO OFDM time-varying channel.

Symbols detection for frequency-selective V-BLAST OFDM systems: 《Journal of Systems Engineering and Electronics》2005年第2期418-425,共8页WuXiaojun LiXing WangJilong; ThisprojectwassupportedbyChinesePostdoctoralScienceFoundation(2003034164)andNationalKeyBasicResearchDevelopmentProgram(973Program)ofChina(2003CB314807).; As the combining form of the orthogonal frequency-division multiplexing (OFDM) technique and the vertical Bell Labs layered space-time (V-BLAST) architecture, the V-BLAST OFDM system can better meet the demand of next...; 关键词：orthogonal frequency-division multiplexing vertical Bell Labs layered space-time architecture symbols detection frequency-selective fading joint space-frequency demultiplexing rotational invariance joint space-frequency coding.

Upper and lower bounds on PMEPR in OFDM systems and application: 《Journal of Systems Engineering and Electronics》2004年第4期476-478,共3页YanBiao XuZongze; Upper and lower bounds on peak-to-mean envelope power ratio (PMEPR) in OFDM systems are derived in this paper. The derivation results show that the upper bound on PMEPR only depends on the aperiodic autocorrdation fun...; 关键词：PMEPR OFDM 副载波自相关函数平均峰值包络功率无线通信

OFDM_SYSTEMS