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  1. 621

    Application of BeiDou RNSS timing technology in smart grid lightning locating system by Hao ZHANG, Hongzhen YANG, Weiping SHAO, Jiming YAO

    Published 2019-02-01
    “…The smart grid lightning location system is an important power service,and its lightning location accuracy largely depends on the accuracy of time synchronization.Three kinds of BeiDou timing methods were studied and compared,and the RNSS timing method was found to be most suitable for lightning location systems.Furthermore,the principle and characteristics of RNSS timing were studied,and a low-cost user terminal timing hardware and software architecture and algorithm were proposed.The Kalman filter-based BeiDou second pulse signal was used to calibrate the user clock and adjust the voltage through the PID algorithm.The temperature-controlled crystal oscillator made the deviation between the user terminal time and the GNSS time below 100 ns at any time to meet the accuracy requirements of the lightning positioning system.…”
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  2. 622

    Research on campus emergency command platform incorporating cloud conferencing technology by ZHU Yue, LIN Chujian

    Published 2024-11-01
    “…The traditional campus emergency command platform faces issues such as limited field acquisition terminals, system incompatibility, insufficient decision-making basis, and poor meeting experiences. …”
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  3. 623

    Research and practice of PON fault intelligent detection and recovery technology by Qi YU, Yanbin SHI, Shipeng QIU

    Published 2016-09-01
    “…Based on current situation that PON network faults are mainly processed around the user account password and terminal problems,and all the complex phenomena and network issues involved are sent to the operation and maintenance department,leading to low failure processing efficiency and high treatment pressure,an end-to-end fault diagnosis and repair method was proposed based on the customer resource tree.Through adopting big data analysis technology and service capability opening technology,an end-to-end fault detection system from service platform to client terminals was built and fault phenomena,conclusions and treatment methods of the nodes in the resource tree were combed,and fault processing scenarios were listed to verify the accuracy of fault detection and fast recovery.The result shows that the failure interception efficiency is improved by 34%.…”
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  4. 624

    Partial computation offloading method based on joint resource allocation for mobile edge computing by Yao LIU, Yueyuan HE, Hongjing ZHOU, Chaoliang LI, Chuang LI

    Published 2023-03-01
    “…In order to meet the requirements of users for computing-intensive tasks and solve the problems of limited computing resources and energy of mobile terminals, a partial offloading method was proposed for multi-user mobile edge computing system with orthogonal frequency division multiple access by setting constraints such as task delay, device energy and communication resources, aiming at optimizing task delay.The initial offloading ratio was set and the communication resource was allocated under the condition of satisfying the user’s minimum delay.And then the remaining computing resource was allocated according to the server’s computing capability.Finally, the offload ratio was optimized according to the resource allocation.Simulation results show that this method can reduce the delay of task computing and the energy consumption of mobile terminals.…”
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  5. 625

    Performance of logistics intelligent storage scene in 5G private network by Shilei DONG, Jingbo ZHAO, Peng HUANG

    Published 2021-09-01
    “…Intelligent warehousing introduces intelligent operation terminals in the logistics warehousing link to realize the automation of the assembly line to execute various warehousing business and it needs to rely on high-quality network services to realize tasks such as real-time data perception, allocation, and job control.In different warehousing operation processes and operation areas, there are differentiated intelligent terminals, operation scenarios and communication requirements.The actual warehousing scenarios was combined to achieve 5G private network coverage for smart warehousing, network quality assurance under the deep integration mechanism of 5G private network and warehousing industry was explored, and a customized regional network deployment plan was proposed, which plays a role as a benchmark model for the full implementation of the 5G private network-based intelligent storage system.…”
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  6. 626

    Research on elite hierarchical task offloading strategy based on reinforcement learning in edge-cloud collaboration scenario by Juan FANG, Zhiyuan YE, Mengyuan ZHANG, Jiamei SHI, Ziyi TENG

    Published 2022-03-01
    “…With the development of 5G and the enrichment of application functions, applications have put forward higher requirements on the computing capabilities of terminal devices.In order to improve the computing capabilities of terminal devices on applications and reduce the processing time of tasks, it is aimed at mobile edge computing environments, a task offloading method for edge-cloud collaboration was proposed,and an elite hierarchical evolutionary algorithm combined with reinforcement learning (RL-EHEA) was designed to perform offloading decisions, so that multiple tasks with dependencies and deadlines compete for computing resources.The simulation experiment results show that, compared with genetic algorithm (GA) and elite genetic algorithm (EGA), RL-EHEA can shorten task processing time and obtain better resource allocation strategy.…”
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  7. 627

    Research on consensus mechanism optimization for IoT blockchain by Qijie SONG, Tieming CHEN, Yuan CHEN, Dongjie MA, Zhengqiu WENG

    Published 2020-02-01
    “…The essence of the blockchain is a decentralized distributed ledger system.The Internet of things is interconnected by massive heterogeneous terminals and has natural distributed characteristics.Therefore,the combinedIoT blockchain is widely optimistic.At the same time,due to the heterogeneity of the IoT-aware terminal,the limited computing capacity and the ability of data transmission,the IoT blockchain faces great challenges.The password consensus technology has become a key issue.On the basis of summarizing the current blockchain consensus algorithm,its applicability to the IoT blockchain was analyzed,the current application status of several IoT blockchain platforms and consensus mechanisms was introduced,and the optimization research progress of the consensus mechanismin IoT blockchain was described.Finally,the optimization technology of the IoT blockchain and the potential research directions were summarized.…”
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  8. 628

    Nonlinear Analysis of Electrocardiography Signals for Atrial Fibrillation by Necmettin Sezgin

    Published 2013-01-01
    “…The classification accuracy of ELM to distinguish nonterminating, terminating AF, and terminating immediately AF was 96.25%. …”
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  9. 629

    Performance Analysis on MU-MIMO Field Test in TD-LTE System by Jinghua Kuang, Ziwei Long, Wei Deng

    Published 2013-05-01
    “…In MU-MIMO algorithm,two terminals with space division can be paired to share the same downlink resource blocks for uplink or downlink transmission. …”
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  10. 630

    Diseases and causes of death among the popes by Francois P. Retief, Louise Cilliers

    Published 2005-06-01
    “…Among those who died of natural causes, multi-disease pathology was commonly present as is to be expected in an older population group, and acute terminal febrile illnesses, malaria, stroke, severe heart disease, gout or poly-arthritis, terminal kidney disease, gallstones, cancer, dysentery, the plague, lung infection, gangrene of a leg, abscesses, depression or debilitating psychiatric illness. …”
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  11. 631

    Access and mobility management technologies for 6G satellite communications network by Xiaowen WU, Xiang LING, Lidong ZHU, Zhenfeng JIAO, Jian CHENG, Bo YANG

    Published 2021-06-01
    “…Analsisand outlook for satellite communication access and mobility management technology in 6G network was presented.Firstly, the access technology of current global representative satellite mobile communications system was introduced, as well as the international standardization organization research status of 5G NR satellite access technology.According to the challenges for 6G satellite communications network access, some solutions regarding to 6G satellite communications access were proposed respectively from the aspects of extremely simple access, extremely intelligent access.Furthermore, according to the demand of massive terminals handoff in the high dynamic scenario of 6G satellite communications, the flexible handoff scheme based on cloud channel technology, which supported batch massive terminals mobility management for across satellites and beams, was proposed.…”
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  12. 632

    Location privacy protection technology based on KHINN by Lijin ZHUANG, Yuyi OU, Jie LING

    Published 2016-09-01
    “…Aiming at the problem that the user’s location privacy may be leaked while users obtain location-based services,mobile terminal and LBS server the ends use k-anonymity mechanisms using the collaborative distributed model.Balanced incremental nearest neighbor (KHINN)query method based on k-anonymity was proposed.When the method structuring anonymous user group in mobile terminal,secure multiparty summation was used to calculate the anchor point to ensure user privacy;when processing the query results,SpaceTwist method based on k-anonymity was used to improve the query privacy and accuracy.Performance analysis and experimental results show that undering the condition of semi trusted or untrusted users between nodes,the proposed method can solve defects of uneven distribution of discovering points around the anchor point in SpaceTwist method and improve the accuracy of the query.…”
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  13. 633

    Wastewater-based analysis of antimicrobial resistance at UK airports: Evaluating the potential opportunities and challenges by Margaret E. Knight, Kata Farkas, Matthew Wade, Gordon Webster, Daniel A. Pass, William Perry, Peter Kille, Andrew Singer, Davey L. Jones

    Published 2025-01-01
    “…This study investigates the abundance and diversity of antimicrobial resistance genes (ARGs) in wastewater samples collected from airport terminals (n = 132), aircraft (n = 25), and a connected wastewater treatment plant (n = 11) at three international airports in the UK (London Heathrow, Edinburgh and Bristol). …”
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  14. 634

    An Analytically Modified Finite Difference Scheme for Pricing Discretely Monitored Options by Guo Luo, Min Huang

    Published 2025-01-01
    “…Finite difference methods are commonly used in the pricing of discretely monitored exotic options in the Black–Scholes framework, but they tend to converge slowly due to discontinuities contained in terminal conditions. We present an effective analytical modification to existing finite difference methods that greatly enhances their performance on discretely monitored options with non-smooth terminal conditions. …”
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  15. 635

    A Stereomicroscopic Evaluation of Dentinal Cracks at Different Instrumentation Lengths by Using Different Rotary Files (ProTaper Universal, ProTaper Next, and HyFlex CM): An Ex Viv... by Fauzia Ashraf, Pushpa Shankarappa, Abhinav Misra, Asheesh Sawhney, Nandamuri Sridevi, Anu Singh

    Published 2016-01-01
    “…Significantly less cracks were seen when instrumentation with rotary files terminated 1 mm short apical foramen when compared with the instrumentation terminated at or beyond apical foramen (p<0.05). …”
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  16. 636

    The Study of Release of Chlorhexidine from Preparations with Modified Thermosensitive Poly-N-isopropylacrylamide Microspheres by Witold Musial, Bojana Voncina, Janusz Pluta, Vanja Kokol

    Published 2012-01-01
    “…The aim of this study was to investigate and compare the release rates of chlorhexidine (CX) base entrapped in the polymeric beads of modified poly-N-isopropylacrylamides (pNIPAMs) at temperatures below and over the volume phase transition temperature (VPTT) of synthesized polymers: pNIPAM-A with terminal anionic groups resulting from potassium persulfate initiator, pNIPAM-B with cationic amidine terminal groups, and pNIPAM-C comprising anionic terminals, but with increased hydrophobicity maintained by the N-tert-butyl functional groups. …”
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  17. 637

    Assessing moisture content in XLPE power cables using frequency-dependent tangent delta measurements by Babu Naik Gugulothu, Sanjay Lakshminarayanan, Madhu Palati, Suresh Haleyur Lakshmegowda, Mahipal Bukya

    Published 2025-01-01
    “…This leads to difficulties in early fault detection and increased risk of unscheduled outages, and failures, particularly in cable end terminations. This research aims to develop a robust and accurate methodology for estimating moisture content in XLPE cable end terminations to enhance condition-based monitoring and ensure reliable power delivery. …”
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  18. 638

    Signal quality comparison of customer base and branching methods in fiber to the home network design by Yusnita Rahayu, Muhammad Raihan Azhary, Razali Ngah, Arbiansyah Ali

    Published 2025-01-01
    “…Two scenarios were used in this study at the Fiber Access Terminal (FAT) with 1:16 and 1:8 splitters. The fiber optic cable path design findings demonstrate that the branching approach is a wise decision, utilizing optical fiber cables for a total of 9 Km, with the greatest cable distance being 2.5 Km from the Optical Line Terminal (OLT) to the end FAT. …”
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  19. 639

    Clinicians’ perspectives of parental decision-making following diagnosis of a severe congenital anomaly: a qualitative study by Lucy K Smith, Natalie Armstrong, Robyn Lotto

    Published 2017-06-01
    “…All interviews and consultations were audio-recorded and transcribed verbatim, with analysis based on the constant comparative approach.Results Three key themes emerged which together shape the practice of clinicians working in this area: first, the law governing termination of pregnancy (TOP) and how clinicians believe this influences the context in which decisions about whether to terminate or continue an affected pregnancy are made; second, approaches to the management of cases seen as particularly challenging; and third, how clinicians understand their role when working with parents. …”
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  20. 640

    Feedback Type May Change the EMG Pattern and Kinematics During Robot Supported Upper Limb Reaching Task by Yasuhiro Kato, Toshiaki Tsuji, Imre Cikajlo

    Published 2024-01-01
    “…Concurrent visual feedback and various terminal feedback (e.g., visual, haptic, visual and haptic) were given. …”
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