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  1. 681

    Robust Decentralized Formation Flight Control by Zhao Weihua, Tiauw Hiong Go

    Published 2011-01-01
    “…Divided into decentralized subsystems, the whole formation flight system is guaranteed stable if proper terminal cost and terminal constraints are added to each decentralized MPC formulation of the UAV subsystem. …”
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  2. 682

    Vertical handoff research based on cognitive self-selection decision tree by Cun-qun FAN, Shang-guang WANG, Qi-bo SUN, Hua ZOU, Fang-chun YANG

    Published 2013-11-01
    “…Then, a method of feedback cognitive decision in line with the feedback of services and movements on terminals was proposed. Simulation results show that the proposed me-thod can not only ensure the vertical handoff quality of high-speed moving terminals in heterogeneous wireless networks, but also reduce unnecessary handoff and ensure the network update rate.…”
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  3. 683

    A survey of key issues of URLLC in industrial internet of things by Han WANG, Lei DIAO, Mengling WANG, Xin RONG, Jiamin LI, Xiaohu YOU

    Published 2022-05-01
    “…In the age of 6G internet of things, massive terminal devices are connected intelligently to explore environmental information to improve life quality and create a more intelligent world.With the development of economic society and industry, the number of industrial nodes in the industrial internet of things (IIoT) grows at an significant speed.The real-time transmission and exchange of information between these industrial nodes puts forward higher requirements for communication delay and reliability.Under limited time-frequency resources and strict communication quality requirements, in order to ensure ultra-reliable and low-latency communication (URLLC) of massive terminals in IIoT, it is necessary to analyze the existing key problems from the aspects of low delay, reliability, energy efficiency, spectrum efficiency and scalability.In the scenario of IIoT, combined with the characteristics and requirements of URLLC, the key issues of communication in IIoT were studied, including challenges and opportunities in active user detection, random access, resource allocation and convergence of communication and computation.After summarizing and analyzing the key issues and existing technologies, the future research direction was proposed.…”
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  4. 684

    Research on wireless coverage area detection technology for 5G mobile communication networks by Hongjun Wang, Yu Zhou, Wenhao Sha

    Published 2017-12-01
    “…In the field of 5G mobile communication networks, coverage performance is an important indicator that can affect the user’s terminal experience. The current method for coverage detection is drive test, which is based on mobile terminals. …”
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  5. 685

    Node clustered deployment of emergency Internet of things based on UAV with equipment access restriction by Wei WANG, Yajing LIANG, Li PENG, Zhongcheng WEI, Jijun ZHAO

    Published 2021-09-01
    “…Lack of ground base station in emergency Internet of things for public security application scenarios, the unmanned aerial vehicle (UAV) as the air-based base station was adopted to solve the problem of node cluster deployment under the condition of limited access of emergency Internet of things ground terminal equipment.A clustering deployment method based on on-demand K-means (ODKM) was proposed.Firstly, base station selection and equipment clustering were carried out according to the equipment access ability of different UAV air-based base stations through two clustering steps.Secondly, by solving a relaxed non convex nonlinear optimization model, the UAV air-based base station deployment based on energy efficiency optimization was realized.The experimental results show that the proposed method can meet the constraints of UAV base station access ability, and has a good performance in balancing the transmission energy consumption of each cluster, and realizes the goal of communication energy saving when the ground terminal equipment needs to access.…”
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  6. 686

    La diffusion de l’Internet en Côte d’Ivoire. Obstacles et implications by Alain François Loukou

    Published 2012-10-01
    “…Moreover, although rising generation mobile phones and other digital terminals enable to have access to the Internet, we notice that these wireless technologies are currently not commonplace. …”
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  7. 687

    An indoor positioning system based on distributed LTE network by Yu YANG, Ming CHEN, Daqing LIU

    Published 2018-06-01
    “…Indoor positioning technology has important applications in the business and security fields,but there are still existing problems with low positioning accuracy and high deployment costs.An indoor positioning system based on long term evolution ( LTE ) network was introduced.The system was defined on the Huawei distributed pico base station and was used to measure the reference signal strength (RSRP) or time of arrival (ToA) of mobile terminals to multiple access points.To overcome the uplink power control in LTE network,the absolute RSRP or ToA was converted to differential values.The system relied on widely deployed LTE networks to provide seamless location services to terminal devices in a wireless network connection state.It didn’t rely on third-party software or affect network performance.The experimental results show that the average positioning accuracy of Huawei indoor positioning system using time difference of arrival (TDoA) can reach 3~5 m in indoor scenarios such as shopping malls,showing good application potential.…”
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  8. 688

    A Multiconstrained Ascent Guidance Method for Solid Rocket-Powered Launch Vehicles by Si-Yuan Chen, Qun-Li Xia

    Published 2016-01-01
    “…Then, constraints, such as terminal height, velocity, flight path angle, and angle of attack, are converted into the constraints within height-time profile according to the second-stage rocket flight characteristics. …”
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  9. 689

    The macroanatomic investigations on the formation of the cisterna chyli and thoracic duct in akkaraman sheep by Hakan Yalçın, Sadettin Tıpırdamaz, Kamil Beşoluk

    “…In this study, formation of Ihe cisterna chyli and course and termination of the thoracic duct were mac-roscopically investigated. …”
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  10. 690

    Fingerprint localization algorithm based on linear spatial dependence of WLAN RSS by Xiaoliang XU, Jian GAO, He HUANG, Zhe MA

    Published 2017-03-01
    “…Due to RSS time-varying and difference of signal receiving ability of different terminals,the performance of RSS-based technologies is usually instability.In order to solve such problem, a novel fingerprint localization algorithm based on linear spatial dependence of RSS was proposed.Multiple sets of RSS samples were collected at each reference point to form a feature matrix and an offline location fingerprint database was conducted.When the real-time RSS matrix was used to calculate the correlation between the real-time RSS matrix and the reference point of the fingerprint library, the k-reference points were obtained, and the final position of the user was calculated by the quadratic weighted centroid algorithm.In order to effectively reduce the influence of signal time-varying,the sampling and sorting process were carried out, and the number of sampling times increased as much as possible when constructing the offline fingerprint database,but the samples needed to be aggregated to fit the positioning correlation calculation.Experiment results show that the proposed algorithm can guarantee the high positioning accuracy and also achieve the better stability for different terminal.…”
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  11. 691

    Development and challenges of direct-to-handset satellite communication by LI Sidong, LI Xiayu, SUN Jiancheng, KANG Shaoli, LIAO Yunfa, CHEN Junyan

    Published 2024-04-01
    “…The integration of satellite and terrestrial networks has become an important trend in the evolution towards 6G, and direct-to-handset satellite services has also become a selling point for terminal manufacturers. The current state of global direct-to-handset satellite services was summarized, three development routes for direct-to-handset satellite technology were proposed, and the challenges faced by direct-to-handset satellite connections were analyzed, including the integration of terminal chips, integration of satellite and terrestrial networks, and sharing of frequencies between satellite and terrestrial systems. …”
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  12. 692

    Application of the DCP Steel poduction technogies with the use of dolomite from the “Gralevo” Deposit of the Vitebsk Oblast by V. L. Tribushevski, S. L. Rimoshevski, D. E. Ivanov, Yu. A. Zatakovoi, V. O. Krasilnikov

    Published 2000-02-01
    “…High properties of dolomite obtained in Belarus de­termines its application as a steel making flux after preliminary preparation. …”
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  13. 693

    Cystic Hygroma and Monosomy X by Aykut Özek, Mert Turğal, Özgür Özyüncü, Sinan Beksaç

    Published 2013-04-01
    “…We describe a case of cystic hygroma associated with monosomy X and termination of pregnancy at 14 weeks of gestation. …”
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  14. 694

    Dopaminergic signaling to ventral striatum neurons initiates sniffing behavior by Natalie L. Johnson, Anamaria Cotelo-Larrea, Lucas A. Stetzik, Umit M. Akkaya, Zihao Zhang, Marie A. Gadziola, Adrienn G. Varga, Minghong Ma, Daniel W. Wesson

    Published 2025-01-01
    “…Here, we report that dopamine release into the ventral striatum in mice is coupled with bouts of sniffing and that stimulation of dopaminergic terminals in these regions drives increases in respiratory rate to initiate sniffing whereas inhibition of these terminals reduces respiratory rate. …”
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  15. 695

    Relationship between functional structures and horizontal connections in macaque inferior temporal cortex by Danling Hu, Takayuki Sato, Kathleen S. Rockland, Manabu Tanifuji, Hisashi Tanigawa

    Published 2025-01-01
    “…While some axon terminal patches shared responsiveness to specific visual features with the injection site, many connected to regions with different selectivity. …”
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  16. 696

    Cooperative Midcourse Guidance Law with Communication Delay by Zihao Wu, Quanbin Ren, Zhiqing Luo, Yangwang Fang, Wenxing Fu

    Published 2021-01-01
    “…The initial conditions of the cooperative terminal guidance law, which are the terminal conditions of the cooperative midcourse guidance, have a greater impact on its cooperation and guidance precision, so it is worthy of investigating the cooperative midcourse guidance. …”
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  17. 697

    RIF1 integrates DNA repair and transcriptional requirements during the establishment of humoral immune responses by Eleni Kabrani, Ali Rahjouei, Maria Berruezo-Llacuna, Svenja Ebeling, Tannishtha Saha, Robert Altwasser, Veronica Delgado-Benito, Rushad Pavri, Michela Di Virgilio

    Published 2025-01-01
    “…Abstract The establishment of protective immune responses relies on the ability of terminally differentiated B cells to secrete a broad variety of antigen-specific antibodies with different effector functions. …”
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  18. 698

    Glycosylation Profile of the Transferrin Receptor in Gestational Iron Deficiency and Early-Onset Severe Preeclampsia by Alejandra María Gómez-Gutiérrez, Beatriz Elena Parra-Sosa, Julio Cesar Bueno-Sánchez

    Published 2019-01-01
    “…To examine the expression of hypoxia-inducible factor-1α (HIF-1α), TfR1, and TfR1-attached terminal monosaccharides in placentas of women with IDAP and severe preeclampsia. …”
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  19. 699

    ANALYTICAL ENGINEERING OF A TELECONTROLLED PILOTLESS AIRCRAFT CONTOUR IN ACCORDANCE WITH GENERALIZED WORK CRITERION by A. M. Eromin, S. A. Shaban, P. A. Podkopaev

    Published 2015-10-01
    “…The article considers the non­terminal problem for neutral contour of a telecontrolled pilotless aircraft. …”
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  20. 700

    Hsp90α promotes lipogenesis by stabilizing FASN and promoting FASN transcription via LXRα in hepatocellular carcinoma by Zihao Deng, Lixia Liu, Guantai Xie, Zhenming Zheng, Jieyou Li, Wenchong Tan, Yaotang Deng, Jinxin Zhang, Manfeng Liang, Yingxia Wu, Zhifeng Zhou, Yan Li, Yukui Chen, Yaling Huang, Hairou Su, Guibing Wu, Xiongjie Shi, Shengpei Cen, Yandan Liao, Yilin Liu, Fei Zou, Xuemei Chen

    Published 2025-01-01
    “…This study aims to discover the mechanism of Hsp90 inhibition on lipid accumulation and investigate the different effects of Hsp90 N-terminal domain inhibitor STA9090 and C-terminal domain inhibitor novobiocin on FASN protein stability and transcription pathway in HCC. …”
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