SUBCARRIER

作品数：53被引量：58H指数：3
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相关作者：汤婵娟王源泉党军宏王一光邵宇丰更多>>
相关机构：复旦大学上海交通大学清华大学更多>>
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Cross-subcarrier precoder design for massive MIMO-OFDM downlink with symplectic optimization
《Science China(Information Sciences)》2025年第2期212-225,共14页Yuxuan ZHANG An-An LU Xiang-Gen XIA Xiqi GAO 
supported by National Natural Science Foundation of China(Grant Nos.62394294,62394290,62371125);Jiangsu Province Basic Research Project(Grant No.BK20192002);Jiangsu Province Major Science and Technology Project(Grant No.SBG2024000080);Fundamental Research Funds for the Central Universities(Grant No.2242022k60007);Key R&D Plan of Jiangsu Province(Grant No.BE2022067);Huawei Cooperation Project。
We propose a cross-subcarrier precoder design(CSPD)for massive multiple-input multiple-output(MIMO)orthogonal frequency division multiplexing(OFDM)downlink.This work aims to significantly improve the channel estimatio...
关键词：massive MIMO-OFDM cross subcarrier precoder design transform domain precoding vectors effective channel symplecticoptimization 
Subcarrier modulated navigation signal processing in GNSS:a review
《Satellite Navigation》2024年第3期1-18,共18页Zheng Yao Yunhan Qi Mingquan Lu 
supported by National Natural Science Foundation of China,under Grant No.42274018,and National Key Research and Development Program of China under Grant 2021YFA0716600。
Subcarrier modulated signals are widely used in the new generation of Global Navigation Satellite Systems(GNSS)to improve spectral compatibility and ranging accuracy.The unique structure of subcarrier modulated signal...
关键词：Subcarrier modulated signals Binary offset carrier(BOC) Multiplexed binary offset carrier(MBOC) BeiDou Navigation Satellite System(BDS) Unambiguous processing 
A statistical sensing method by utilizing Wi-Fi CSI subcarriers:Empirical study and performance enhancement
《Journal of Information and Intelligence》2024年第4期365-374,共10页Tao Deng Bowen Zheng Rui Du Fan Liu Tony Xiao Han 
supported by Technological Innovation(“Climbing Program”Special Funds,pdjh2024c11603).
In modern Wi-Fi systems,channel state information(CSI)serves as a foundational support for various sensing applications.Currently,existing CSI-based techniques exhibit limitations in terms of environmental adaptabilit...
关键词：CSI SUBCARRIER Wi-Fi sensing 
Subcarrier BD with Cooperative Communication for MIMO-NOMA System
《Computers, Materials & Continua》2022年第9期5807-5821,共15页Jung-In Baik Ji-Hwan Kim Beom-Sik Shin Ji-Hye Oh Hyoung-Kyu Song 
This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(2020R1A6A1A 03038540);was supported by Institute for Information&communications Technology Promotion(IITP)grant funded by the Korea government(MSIT)(No.2017-0-00217,Development of Immersive Signage Based on Variable Transparency and Multiple Layers)。
With the rapid evolution of Internet of things(IoT),many edge devices require simultaneous connection in 5G communication era.To afford massive data of IoT devices,multiple input multiple output non-orthogonal multipl...
关键词：5G MIMO-NOMA COMP BD INTERFERENCE 
Real-time reception of NHS-OFDM signal with SPA- enhanced channel estimation for intensity-modulated direct-detection systems
《Chinese Optics Letters》2022年第5期7-13,共7页Gang Chen Ming Chen Wen Chen Lede Yin Aitao Deng Yuxin Cai Dengqiao Wang 
This work was supported in part by the National Natural Science Foundation of China(No.61805079);the Hunan Provincial Natural Science Foundation(No.2020JJ4433);the Hunan Province College Students Research Learning and Innovative Experiment Project,China(No.S202010542058).
In this Letter,we have experimentally verified a low-complexity subcarrier pairwise-averaging(SPA)-enhanced channel estimation(CE)method for small-size fast Fourier transform(FFT)non-Hermitian symmetric orthogonal fre...
关键词：NHS-OFDM least-square intra-symbol frequency-averaging subcarrier pairwise-averaging 
Resource Allocation Based on User Pairing and Subcarrier Matching for Downlink Non-Orthogonal Multiple Access Networks被引量：1
《IEEE/CAA Journal of Automatica Sinica》2021年第3期679-689,共11页Zhixin Liu Changjian Liang Yazhou Yuan Kit Yan Chan Xinping Guan 
This work was partly supported by the Natural Science Foundation of Hebei Province(F2019203095);the National Natural Science Foundation of China(61873223,61803328);the National Key R&D Program of China(2018YFB1702100)。
The traditional orthogonal multiple access(OMA)is unable to satisfy the needs of large number of smart devices.To increase the transmission rate in the limited spectrum resource,implementation of both non-orthogonal m...
关键词：Non-orthogonal multiple access(NOMA) power control rate maximization subcarrier matching user pairing 
A Novel Inter-Carrier Interference Cancellation Scheme in Highly Mobile Environments被引量：1
《China Communications》2020年第12期194-205,共12页Tianming Ma Xiaoxiao Jiang Yongqi Wang Fengrong Li 
This work was supported by the National Natural Science Foundation of China(No.61601296,No.61701295,and No.61801286);the Major scientific and technological innovation projects in Chengdu(No.2019-YF08-00082-GX);the Talent Program of Shanghai University of Engineering Science(No.2018RC43);the start-up research project of Shanghai University of Engineering Science(No.2019-39).
In the current multi-carrier communications,Orthogonal Frequency Division Multiplexing(OFDM)is widely considered as a leading technology.For mobile applications,however,the orthogonality between subcarriers is deterio...
关键词：orthogonal frequency division multiplexing(OFDM) subcarrier interactive mapping inter-carrier interference(ICI) spectral efficiency highly mobile environment 
Seawater Short-Range Electromagnetic Wave Communication Method Based on OFDM Subcarrier Allocation
《Journal of Computer and Communications》2019年第10期63-71,共9页Jun Wang Shilian Wang 
Aiming at the problems of underwater acoustic communication such as narrowband, low speed and multipath effect, this paper studies the high-speed communication technology of electromagnetic wave in short distance at s...
关键词：UNDERWATER ELECTROMAGNETIC Wave OFDM SUBCARRIER Modulation 
Enhanced Data Transmission Rate of XCTD Profiler Based on OFDM被引量：1
《Journal of Ocean University of China》2019年第5期1079-1085,共7页LI Hongzhi ZHANG Sai QIN Xiaocong ZHANG Xiaoyang ZHENG Yu 
supported by the National Key Research and Development Program of China (No. 2016 YFC1400400);the Marine Economic Innovation and Development Demonstration Project in Binhai New Area (No. 1723434C4114194)
An expendable conductivity-temperature-depth profiler(XCTD)is one of the most important instruments used to obtain hydrological data,such as temperature and conductivity,and detect ocean depth in a large area.However,...
关键词：XCTD OFDM SUBCARRIER BANDWIDTH UTILIZATION data transmission RATE 
Joint Subcarrier and Power Allocation for Multi-UAV Systems被引量：5
《China Communications》2019年第1期47-56,共10页Xin Guan Yang Huang Qingjiang Shi 
supported by China NSF Grants(61631020);the Fundamental Research Funds for the Central Universities(NP2018103,NE2017103,NC2017003)
This paper investigates subcarrier and power allocation in a multi-UAV OFDM system.The study considers a practical scenario,where certain subcarriers are unavailable for dynamic subcarrier allocation,on account of pre...
关键词：MULTI-UAV OFDM SUBCARRIER ALLOCATION power ALLOCATION ALTERNATING optimization weighted MSE 
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