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A rapid fingerprint positioning method based on deep convolutional neural network for MIMO‑OFDM systems: 《Urban Lifeline》2024年第1期150-162,共13页Chenlin He Xiaojun Wang Jiyu Jiao Yuhua Huang Chengpei Han Yizhuo Zhang Jianping Zhu; supported by the National Key Research and Development Program of China(No.2022YFC3801000);the Fundamental Research Funds for the Central Universities(No.2242022k60001,2242023K40015).; The combination of fingerprint positioning and 5G(the 5th Generation Mobile Communication Technology)offers broader application prospects for indoor positioning technology,but also brings challenges in real-time perfo...; 关键词：Fingerprint positioning Rapid positioning Massive multiple input multiple output-orthogonal frequency division multiplexing(MIMO-OFDM) Deep Convolutional Neural Network(DCNN)

Deep Learning Based Signal Detector for OFDM Systems被引量：1: 《China Communications》2023年第12期66-77,共12页Guangliang Pan Wei Wang Minglei Li; supported in part by the National Natural Science Foundation of China No.62001220;the Natural Science Foundation of Jiangsu Province BK20200440;the Fundamental Research Funds for the Central Universities No.1004-YAH20016,No.NT2020009。; In this paper,we propose a novel deep learning(DL)-based receiver design for orthogonal frequency division multiplexing(OFDM)systems.The entire process of channel estimation,equalization,and signal detection is replac...; 关键词：channel estimation deep learning OFDM optimal channel gain signal detection

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)

Performance Analysis of N-Continuous OFDM Systems with Low-Interference Signal: 《China Communications》2022年第11期209-230,共22页Peng Wei Yue Xiao Shuxia Yan Wei Xiang; supported in part by the National Natural Science Foundation of China under Grant 61901298;in part by the Natural Science Foundation of Tianjin under Grant 20JCQNJC00300;in part by the Science&Technology Development Fund of Tianjin Education Commission for Higher Education under Grant 2018KJ211.; N-continuous orthogonal frequency division multiplexing(NC-OFDM)is a promising multicarrier transmission waveform conceived for improving sidelobe suppression performance.To reduce the severe inband interference in tr...; 关键词：BER low-interference N-continuous OFDM PSD sidelobe suppression

A modified time domain interpolation method for LS channel estimation in OFDM systems被引量：4: 《Journal of Southeast University(English Edition)》2022年第3期219-226,共8页Zhang Yenan Xu Feiyun Jia Minping; The National Natural Science Foundation of China(No.51975117)。; A modified time domain interpolation method is proposed for orthogonal frequency division multiplexing(OFDM)systems to address the problem that time domain interpolation in the least square(LS)channel estimation metho...; 关键词：orthogonal frequency division multiplexing(OFDM) channel estimation linear interpolation time domain interpolation

Fast Fading Channel Estimation for OFDM Systems with Complexity Reduction被引量：2: 《Chinese Journal of Electronics》2021年第6期1173-1177,共5页ZHANG Chen LI Dan; supported by the National Natural Science Foundation of China(No.61901487,No.61871384)。; Channel estimation plays a significant role in the Inter-carrier interference(ISI)mitigation and symbol detection in Orthogonal frequency division multiplexing(OFDM)systems.As the speed of mobile terminal increases,th...; 关键词：OFDM Fast fading channel Basis expansion model

A Modified Hadamard Based SLM without Side Information for PAPR Reduction in OFDM Systems被引量：3: 《China Communications》2019年第12期124-131,共8页Ning Li Mingjin Li Zhongliang Deng; the Wireless Network Positioning and Communication Integration Research Center in BUPT for financial support; High peak-to-average power ratio(PAPR) is a concern in orthogonal frequency division multiplexing(OFDM) systems. Hadamard based selected mapping(HSLM) which uses Hadamard code as the phase sequence in selected mapping...; 关键词：OFDM PAPR SLM SI Hadamrd

PAPR Reduction in Massive MU-MIMO-OFDM Systems Using the Proximal Gradient Method: 《Journal of Communications and Information Networks》2019年第1期88-94,共7页Davinder Singh R.K.Sarin; In this paper,we address the issue of peak-to-average power ratio(PAPR)reduction in large-scale multiuser multiple-input multiple-output(MU-MIMO)orthogonal frequency-division multiplexing(OFDM)systems.PAPR reduction a...; 关键词：OFDM MU-MIMO PAPR reduction proximal operator proximal gradient method

Timing Synchronization and Ranging in Networked UAV-Aided OFDM Systems: 《Journal of Communications and Information Networks》2018年第4期45-54,共10页Chaoxing Yan Jingjing Wang Lingang Fu Chunxiao Jiang Ming Chen Yong Ren; the Key Project of the Key R&D Program(Nos.2018YFC1407200,2017YFC1405200);Ministry of Science and Technology,China,and partly supported by the new strategic industries development projects of Shenzhen City(No.JCYJ20170816151922176).; The space-air-ground network architecture integrates satellite systems,aerial networks,and terrestrial networks,where the unmanned aerial vehicle(UAV)communication in the air segment has attracted particular interest ...; 关键词：space-air-ground network UAV-aided communication systems timing synchronization OFDMranging

A Low Complexity Linear Moving Average Filtering Technique for PAR Reduction in OFDM Systems被引量：1: 《International Journal of Communications, Network and System Sciences》2018年第10期199-215,共17页Hassan Ali Raziq Yaqub; In this paper, a linear moving average recursive filtering technique is proposed to reduce the peak-to-average power ratio (PAR) of orthogonal frequency division multiplexing (OFDM) signals. The proposed low complexit...; 关键词：Moving Average FILTERING RECURSIVE FILTERING Orthogonal Frequency Division MULTIPLEXING Peak-to-Average-Power Ratio Inverse Fast FOURIER Transform

OFDM_SYSTEMS