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Participants Recruitment for Coverage Maximization by Mobility Predicting in Mobile Crowd Sensing被引量：1: 《China Communications》2023年第8期163-176,共14页Yuanni Liu Xi Liu Xin Li Mingxin Li Yi Li; supported by the Open Foundation of State key Laboratory of Networking and Switching Technology(Beijing University of Posts and Telecommunications)(SKLNST-2021-1-18);the General Program of Natural Science Foundation of Chongqing(cstc2020jcyj-msxmX1021);the Science and Technology Research Program of Chongqing Municipal Education Commission(KJZD-K202000602);Chongqing graduate research and innovation project(CYS22478).; Mobile Crowd Sensing(MCS)is an emerging paradigm that leverages sensor-equipped smart devices to collect data.The introduction of MCS also poses some challenges such as providing highquality data for upper layer MCS a...; 关键词：data average entropy human mobility prediction markov chain mobile crowd sensing

Adaptive Secure Transmission for Wireless Powered Communication Networks被引量：1: 《China Communications》2021年第3期155-173,共19页Yong Wang Weiwei Yang Tao Zhang Yong Chen Xiaohui Shang Quan Wang; supported in part by the National Science Foundations of China under Grant 61801496 and 61801497;the Defense Science Foundations of China under Grant 2019-JCJQ-JJ-221;the National University of Defense Technology Youth Innovation Award Research Project under Grant 23200306。; This paper investigates secure transmission in a wireless powered communication network(WPCN)with an energy harvesting(EH)source configured with multiple antennas.In the WPCN,the EH source harvests energy from the rad...; 关键词：physical layer security energy harvesting markov chain transmit antenna selection differential spatial modulation

Analysis and Design of Scheduling Schemes for Wireless Networks with Unsaturated Traffic: 《China Communications》2021年第2期65-85,共21页Jianfei Li Juan Wen Min Sheng; This work was supported in part by the Natural Science Foundation of China under Grant 61725103,Grant 91638202,Grant 61801361 and Grant U19B2025,and was supported by“the Fundamental Research Funds for the Central Universities”.; Scheduling schemes assign limited resources to appropriate users,which are critical for wireless network performance.Most current schemes have been designed based on saturated traffic,i.e.,assuming users in networks a...; 关键词：markov chain unsaturated traffic performance analysis scheduling

An Algorithm Based on Markov Chain to Improve Edge Cache Hit Ratio for Blockchain-Enabled IoT被引量：12: 《China Communications》2020年第9期66-76,共11页Hongman Wang Yingxue Li Xiaoqi Zhao Fangchun Yang; Reasonable allocation of storage and computing resources is the basis of building big data system.With the development of IoT(Internet of Things),more data will be brought.A three-layer architecture includes smart dev...; 关键词：cache resource allocation blockchain-enabled iot edge computing Markov chain hierarchical caching technique

Toward a Scalable SDN Control Mechanism via Switch Migration被引量：3: 《China Communications》2017年第1期111-123,共13页Guozhen Cheng Hongchang Chen Hongchao Hu Zhiming Wang; supported by the Foundation for Innovative Research Groups of the National Natural Science Foundation of China (Grant No. 2016YFB0800100, No. 2016YFB0800101);the National Natural Science Foundation of China (Grant No. 61521003);the National Key R&D Program of China (Grant No. 61309020); Dynamic Controller Provisioning Problem(DCPP) is a key problem for scalable SDN. Previously, the solution to this problem focused on adapting the number of controllers and their locations with changing network conditi...; 关键词：software-defined networking SCALABILITY switch migrations Markov chain

Evaluation and Optimization of the Mixed Redundancy Strategy in Cloud-Based Systems: 《China Communications》2016年第9期237-248,共12页Pan He Xueliang Zhao Chun Tan Zhihao Zheng Yue Yuan; supported by the National Natural Science Foundation of China(Grant No.61309005);the Basic and Frontier Research Program of Chongqing(Grant No.cstc2014jcyj A40015); Mixed redundancy strategies are generally used in cloud-based systems,with different node switch mechanisms from traditional fault-tolerant strategies.Existing studies often concentrate on optimizing a single strategy...; 关键词：Mixed redundancy strategy MONITORING reliability analysis Markov chain cloud-based system

Load-Aware Offloading Strategy in Two-Tier Heterogeneous Network被引量：5: 《China Communications》2016年第8期148-158,共11页Jianyuan Feng Zhiyong Feng Zhiqing Wei; supported by the National High-Tech R&D Program (863 Program) under grant No. 2015AA01A705;Beijing Municipal Science and Technology Commission research fund project under grant No. D151100000115002;China Scholarship Council under grant No. 201406470038;BUPT youth scientific research innovation program under grant No. 500401238; Although small cell offloading technology can alleviate the congestion in macrocell, aggressively offloading data traffic from macrocell to small cell can also degrade the performance of small cell due to the heavy lo...; 关键词：heterogeneous networks offloading strategies load-aware Poisson point process Markov chain throughput maximization CSMA

Data Distribution Mechanism over Opportunistic Networks with Limited Epidemic被引量：5: 《China Communications》2015年第6期154-163,共10页GUO Da CHENG Gang ZHANG Yong SONG Mei Amanda Matthews; supported by the National Natural Science Foundation of China(61171097);Key Lab of Information Network Security, Ministry of Public Security(C14613); Most of data distribution mechanism in Opportunistic Networks is derived by Epidemic data distribution,and Epidemic data distribution means that when each node meets another node,it may copy its own messages and trans...; 关键词：opportunistic networks delay tol-erant networks Markov chain

Modeling the Sojourn Time of Items for In-Networ Cache Based on LRU Policy被引量：1: 《China Communications》2014年第10期88-95,共8页LIU Jiang WANG Guoqing HUANG Tao CHEN Jianya LIU Yunjie; To reduce network redundancy,innetwork caching is considered in many future Internet architectures,such as Information Centric Networking.In in-network caching system,the item sojourn time of LRU(Least Recently Used) ...; 关键词：sojourn time Markov chain LRU steady-state probability

Ether net Ring Protection for ITU-T G.8032: 《China Communications》2012年第11期87-97,共11页Wang Bin Wang Wennai; supported partially by National Science and Technology Major Project of the Ministry of Science and Technology of China under Grant No.2011ZX03005-004-03; a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions-Information and Communication Engineering,Natural Science Foundation of the Higher Education Institutions of Jiangsu Province,China under Grant No.10KJA510037; Open Research Fund of Key Lab of Broadband Wireless Communication and Sensor Network Technology（Nanjing University of Posts and Telecommunications）,Ministry of Education under Grant No.NYKL201108; Natural Science Foundation of Nanjing University of Posts and Telecommunications under Grant No.NY209002; Ethernet Ring Protection (ERP) introduced by ITU-T G.8032 Recommendation is a new type of packet-switched network protection technology, which can provide ring automatic protection switch. However, the Filtering Datab...; 关键词：carrier ethernet ERP FDB flush markov chain

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