MULTIUSER

作品数：115被引量：114H指数：6
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Multiuser computational imaging encryption and authentication with OFDM-assisted key management
《Advanced Photonics Nexus》2024年第5期162-173,共12页Hongran Zeng Ping Lu Xiaowei Li Lingling Huang Chaoyun Song Dahai Li In-kwon Lee Seok-Tae Kim Qiong-Hua Wang Yiguang Liu 
supported by the National Key R&D Program of China(Grant No.2021YFB3900300);National Natural Science Foundation of China(Grant Nos.61860206007,62275177,and 62371321);Ministry of Education Science and Technology Chunhui Project(Grant No.HZKY20220559);International S and T Cooperation Program of Sichuan Province(Grant No.2023YFH0030);Sichuan Science and Technology Innovation Seeding Project(Grant No.23-YCG034);Sichuan Science and Technology Program(Grant No.2023YFG0334);Chengdu Science and Technology Program(Grant No.2022-GH02-00001-HZ).
Single-pixel imaging(SPI)enables an invisible target to be imaged onto a photosensitive surface without a lens,emerging as a promising way for indirect optical encryption.However,due to its linear and broadcast imagin...
关键词：computational imaging optical encryption optical authentication key management 
An Adaptive Program Recommendation System for Multi-User Sharing Environment
《China Communications》2024年第6期112-128,共17页Sun Shiyun Hu Zhengying Wei Xin Zhou Liang 
supported by the National Natural Science Foundation of China(Grant No.62277032,62231017,62071254);Education Scientific Planning Project of Jiangsu Province(Grant No.B/2022/01/150);Jiangsu Provincial Qinglan Project,the Special Fund for Urban and Rural Construction and Development in Jiangsu Province.
More and more accounts or devices are shared by multiple users in video applications,which makes it difficult to provide recommendation service.Existing recommendation schemes overlook multiuser sharing scenarios,and ...
关键词：ADAPTIVE EXPLOITATION LinUCB MULTIUSER recommendation system 
Energy-efficient multiuser and multitask computation offloading optimization method
《Intelligent and Converged Networks》2023年第1期76-92,共17页Meini Pan Zhihua Li Junhao Qian 
supported by the Smart Manufacturing New Model Application Project Ministry of Industry and Information Technology(No.ZH-XZ-18004);the Future Research Projects Funds for the Science and Technology Department of Jiangsu Province(No.BY2013015-23);the Fundamental Research Funds for the Ministry of Education(No.JUSRP211A 41);the Fundamental Research Funds for the Central Universities(No.JUSRP42003);the 111 Project(No.B2018).
For dynamic application scenarios of Mobile Edge Computing(MEC),an Energy-efficient Multiuser and Multitask Computation Offloading(EMMCO)optimization method is proposed.Under the consideration of multiuser and multita...
关键词：Mobile Edge Computing(MEC) computation offloading Reinforcement Learning(RL) optimization model 
MagneFi: Multiuser, Multi-Building and Multi-Floor Geomagnetic Field Dataset for Indoor Positioning
《Computers, Materials & Continua》2022年第10期1747-1768,共22页Imran Ashraf Muhammad Usman Ali Soojung Hur Gunzung Kim Yongwan Park 
This research was supported by the MSIT(Ministry of Science and ICT),Korea,under the ITRC(Information Technology Research Center)support program(IITP-2020-2016-0-00313)supervised by the IITP(Institute for Information&communications Technology Planning&Evaluation);This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Science,ICT and Future Planning(2017R1E1A1A01074345).
Indoor positioning and localization have emerged as a potential research area during the last few years owing to the wide proliferation of smartphones and the inception of location-attached services for the consumer i...
关键词：Magnetic field dataset magnetic-field based positioning smartphone sensors benchmark analysis indoor positioning and localization 
Multitask deep learning-based multiuser hybrid beamforming for mm-wave orthogonal frequency division multiple access systems
《Science China(Information Sciences)》2020年第8期35-45,共11页Jing JIANG Yue LI Long CHEN Jianbo DU Chunguo LI 
National Natural Science Foundation of China(Grant Nos.61871321,61901367);National Science and Technology Major Project(Grant No.2017ZX03001012-005);Shaanxi STA International Cooperation and Exchanges Project(Grant No.2017KW-011)。
Multiuser hybrid beamforming of a wideband millimeter-wave(mm-wave)system is a complex combinatorial optimization problem.It not only needs large training data,but also tends to overfit and incur long run-time when mu...
关键词：millimeter wave systems user scheduling deep neural network multitask learning hybrid beamforming 
Joint Subcarrier and Power Allocation for DF-Based Multiuser Two-Way Relay Networks
《China Communications》2017年第6期179-188,共10页Xiang Chen Fei He Limin Xiao Shidong Zhou 
supported by the National Natural Science Foundation of China(NSFC)(No.61501527);State’s Key Project of Research and Development Plan(No.2016YFE0122900-3);the Fundamental Research Funds for the Central Universities,Basic Research Foundation of Science Technology and Innovation Commission of Shenzhen Municipality(No.JCYJ20150630153033410);SYSU-CMU Shunde International Joint Research Institute and 2016 Major Project of Collaborative Innovation in Guangzhou(Research and Application of Ground Satellite Communicaiton Systems for Space Broadband Information Networks)
Two-way decode-and-forward(DF) relay technique is an efficient method to improve system performance in 5G networks.However,traditional orthogonal frequency division multiplexing(OFDM) based two-way relay systems only ...
关键词：two-way relay orthogonal frequency division multiplexing （OFDM） decode-and-forward （DF） power allocation 
Space-division multiple access for CDMA multiuser underwater acoustic communications
《Journal of Systems Engineering and Electronics》2015年第6期1184-1190,共7页Jingwei Yin Pengyu Du Guang Yang Huanling Zhou 
supported by the National Natural Science Foundation of China(61471137;51179034);the Ships Pre-research Support Technology Fund(13J3.1.5);the Natural Science Foundation of Heilongjiang Province(F201109);the Innovation Talents of Science and the Technology Research Projects of Harbin(2013RFQXJ101);the National Defense Basic Technology Research(JSJC2013604C012)
Time reversal mirror （TRM） can use the physical characteristics of the underwater acoustic （UWA） channel to focus on the desired user in multi-user UWA communication. The active average sound intensity （AASI） de...
关键词：underwater acoustic （UWA） communication space-division multiple access （SDMA） time reversal mirror （TRM） active average sound intensity （AASI） detector. 
An Improved Semi-Orthogonal User Selection Algorithm Based on Condition Number for Multiuser MIMO Systems被引量：1
《China Communications》2014年第A01期23-30,共8页LU Xinlu WU Jun HUANG Xinlin LI Wenfeng LU Jianmin GONG Zhengwei 
This paper was supported by the National Natural Science Foundation of China under Grant No.61390513 and 61201225,and National Science and Technology Major Project of China under Grant No.2013ZX03003004,the Natural Science Foundation of Shanghai under Grant No.12ZR1450800,and sponsored by Shanghai Pujiang Program under Grant No.13PJD030.It was also supported by the Fundamental Research Funds for the Central Universities under Grant No.20140767,the Program for Young Excellent Talents in Tongji University under Grant No.2013KJ007,and 'Chen Guang' project supported by Shanghai Municipal Education Commission and Shanghai Education Development Foundation under Grant No.13CG18
In Multiple-Input Multiple-Out （MIMO） systems, the user selection algorithm plays an important role in the realization of multiplexing gain. In this paper, an improved Semi-orthogonal User Selection algorithm based ...
关键词：Multiple-Input Multiple-Output sumrate capacity condition number semi-orthogonaluser selection 
Distributed Spectrum Sharing Scheme for Multiuser Orthogonal Frequency-Division Multiplexing Cognitive Radio Networks
《China Communications》2014年第1期79-91,共13页YANG Long KUO Yonghong CHEN Jian ZHANG Hailin 
ACKNOWLEDGEMENT This work was supported in part by the Na- tional Natural Science Foundation of China un- der Grants No. 60972072, No. 61340033; and the 111 Project of China under Grant No. B08038.
This paper presents a novel spec- trum sharing design aiming at optimising the performance of a Multiuser Orthogonal Freq- uency-Division Multiplexing （MU-OFDM） Co- gnitive Radio Network （CRN） that consists of mul...
关键词：cognitive radio networks Lagr- angian duality multiuser orthogonal frequen- cy-division multiplexing spectrum sharing weight sum rate maximization 
Average Level Crossing Rate and Fading Duration of Multiuser Single Relay Cooperation Wireless Uplinks
《China Communications》2013年第4期135-143,共9页贾向东 杨龙祥 朱洪波 
supported by the Natural Science Foundation of China under Grant No.61261015;the 973 Project under Grant No.2013CB329104;the National Natural Science Foundation of China under Grants No. 61071090,No. 61171093;the Key Projects under GrantsNo. 2011ZX03005-004-003, No. BK2011027;the China Postdoctoral Science Foundation under Grant No. 2012M521105;Research Fund for the Doctoral Program of Higher Educationof China under Grant No. 20113223110001;the project 11KJA510001 and PAPD
We investigate the average Level Crossing Rate （LCR） and Average Fading Duration （AFD） of multiuser single relay co- operation wireless uplinks over independent and non-identically distributed （i.ni.d） Ray- leig...
关键词：wireless communications multiuseruplinks level crossing rate average fadingduration 
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