Showing 61 - 80 results of 142 for search '"cellular network"', query time: 0.04s Refine Results
  1. 61

    Compressed Sensing Based on the Characteristic Correlation of ECG in Hybrid Wireless Sensor Network by Weiwei Li, Ting Jiang, Ning Wang

    Published 2015-10-01
    “…And then, collected signals are sent to a remote data center via cellular network. One of the features of WBAN is that its power consumption and sampling rate should be restricted to a minimum. …”
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    Article
  2. 62

    Modification of Load Calculation in The Dijkstra Algorithm to Achieve High Throughput and Low Latency on 5G Networks by Eko Kuncoro Adiyanto, Sri Wahjuni, Hendra Rahmawan

    Published 2024-06-01
    “… throughput for high-resolution remote video surveillance. 5G cellular network as today's most advanced wireless technology will be the perfect match for Agriculture 4.0 requirements. …”
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    Article
  3. 63

    Analysis of Changes in Intercity Highway Traffic Travel Patterns under the Impact of COVID-19 by Mingchen Gu, Shuo Sun, Feng Jian, Xiaohan Liu

    Published 2021-01-01
    “…Empirical studies are conducted using cellular network-based datasets associated with two groups of city pairs in China heavily affected by COVID-19. …”
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    Article
  4. 64

    Marine Automatic Weather System (MAWS) instrumentation system for climate change monitoring based on The Internet of Things (IoT) by Husen Zakaria, Ismail Nazli, Syukri Surbakti Muhammad, Omar Fairuz, Yusibani Elin, Kesuma Fatmawati, Nurhanif Nurhanif, Arif Hasibuan Ahmad, Fauzi Fauzi

    Published 2025-01-01
    “…The data transmission is using the 2G/3G cellular network so that the device could be placed in areas where there is only a 2G/3G cellular network. …”
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    Article
  5. 65

    MESH NETWORK SIMULATION by Pei Ping, Yury N. Petrenko

    Published 2015-10-01
    “…The paper investigates a message transfer in wireless mesh network simulation and how does it works in cellular network simulation. Finally the experimental result gave us the information that mesh networks have different principle in transmission way with cellular networks in transmission, and multi – hop routing could provide robustness and load balancing to communication in wireless mesh networks.…”
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  6. 66

    Technology evolution and industry development of 5G + industrial proximity network by Shiying ZHENG, Yuan LI, Bohan YANG, Shuai MA, Shanpeng XIAO

    Published 2022-05-01
    “…In recent years, IoT technology had been widely used in new retail, smart logistics, smart parks, smart manufacturing and other industries, including product management based on RFID, equipment data collection based on short-distance communication, equipment remote control based on deterministic transmission, etc.These communication technologies used for equipment connection and data intercommunication were called industrial proximity network.The concept, development history of proximity network was introduced, and demand for the integration of proximity network and cellular network in the digital and intelligent transformation of verticals was analyzed.Then the architecture, technical advantages and development trends of 5G+ industrial proximity network and its typical applications were expounded, which aimed to provide new ideas for the developing of industrial proximity network.…”
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  7. 67

    Wavelet Analysis Method to Solve the Problem of Wireless Location Tracking by Baoquan Chen, Yongyi Mao

    Published 2013-10-01
    “…The signal of non-line-of-sight propagation(NLoS)largely determine the positioning accuracy of the mobile station in wireless location,the wavelet analysis theory has obvious advantages in signal processing.A positioning and tracking algorithm of the mobile station(MS)in the NLoS environment of cellular network was presented.Using wavelet transform signal decomposition and reconstruction,the TDOA measurement error correction,re-use classic Chan algorithm to estimate the location of the mobile station,with the corresponding distance threshold to track the location of the mobile station location.The simulation results show that the algorithm can effectively achieve the static positioning and dynamic tracking of the location of the mobile station,and significantly better than the classical algorithm simulation results in the same environment,and effectively improve the positioning accuracy.…”
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  8. 68

    Optimal deployment of energy-efficient ultra-dense network by Liang GE, Zhixu WANG

    Published 2017-03-01
    “…In order to maximize energy efficiency, the stochastic geometry method was used to model the uplink of a multi-cell multi-user MIMO cellular network.Then the system power consumption model was ameliorated.Based on this,an energy efficiency maximization problem with respect to base station density,transmit power,the number of base station antennas,users per cell and pilot reuse factor was obtained.Solving the problem,the optimal network deployment,as well as the relationship between the optimal variables,hardware characteristics and propagation environment was obtained.Finally, simulation and numerical results show that the ultra-dense network deployment can significantly improve the energy efficiency.However,with the further increase of the density of the base station,the improvement of the energy efficiency was quickly saturated.More interestingly,the deployment scenario determined by the energy efficiency optimization was just massive MIMO scenarios.…”
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  9. 69

    Congestion-Aware Signaling Aggregation and Barring Scheme for LTE Based Machine-to-Machine Network by Fangmin Xu, Chao Qiu, Pengbiao Wang, Xiaokai Liu

    Published 2015-10-01
    “…Following this paradigm, the purpose of this paper is to support and optimize the signaling aggregation and barring of M2M services based on cellular network. With LTE network being the example access network, a congestion-aware signaling aggregation and barring scheme is designed considering the various requirements of M2M services and the congestion situation in the network entity. …”
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  10. 70

    Research on the interference control and resource allocation in D2D communication by Kangkang FAN, Ying DONG, Zhihong Qian, Xue WANG

    Published 2018-11-01
    “…In order to solve the problem of interference caused by D2D users reuse cellular resources in cellular network,an algorithm of interference control and resource allocation of D2D communication in single cell cellular system was proposed.Firstly,an interference graph was constructed according to the interference between users in the system to find the reusable channel resource for D2D users.Then,the channel resource pre-allocation and the channel switching policy were performed for D2D users in sequence according to the preset D2D user priority.The simulation results show that the proposed algorithm can significantly improve the system throughput and the access rate of D2D users so that the system can achieve better performance in the presence of small or large number of D2D users.…”
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  11. 71

    Asymptotic quadratic price game mechanism for video stream extensible feedback unloading by Qianqian GE

    Published 2020-01-01
    “…A progressive quadratic price game mechanism with scalable feedback offloading of video streams was proposed.Firstly,the congestion of cellular network could be alleviated by effectively uninstalling some video traffic from all video streaming services to Wi-Fi network,thus providing seamless video streaming services.Several physi-cal paths were integrated in an economical and efficient way.The fountain coded symbols of compressed video data were transmitted simultaneously through LTE and Wi-Fi network to flexibly control the viewing through Wi-Fi net-work and reduce the video quality degradation caused by wireless channel errors.Secondly,a progressive secondary price auction mechanism was used to allocate limited LTE resources to multiple user devices to maximize social wel-fare and achieve Nash equilibrium.The scalability and convergence of the system were verified theoretically.Finally,the performance advantages of the proposed algorithm in video streaming transmission quality and energy consump-tion were verified by experimental simulation.…”
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  12. 72

    Research on maximizing energy efficiency for relay-aided D2D communication by Xue WANG, Tao JIN, Zhihong QIAN, Liangshuai HU, Xin WANG

    Published 2020-03-01
    “…In order to optimize the energy efficiency for relay-aided D2D communication underlaying cellular network,an algorithm was proposed while guaranteeing the quality of service of D2D users and cellular users.Firstly,the problem was formulated as a mixed integer nonlinear fractional programming problem,with the goal of maximizing the energy efficiency of all D2D users.Then,the maximizing energy efficiency problem was divided into three sub-problems,such as power allocation,relay selection and subcarrier assignment.Finally,the power allocation problem,the relay selection problem and the subcarrier assignment problem were addressed by Dinkelbach method and Lagrange multiplier method,Q-learning and Hungarian algorithm,respectively.The simulation results show that the proposed algorithm can improve the total energy efficiency of D2D users compared with existing algorithms.…”
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    Article
  13. 73

    A Classical LTE Cellular System Simulator for Computer Network Education by Julius Yaw Ludu, Justice Kwame Appati, Ebenezer Owusu, Prince Boakye-Sekyerehene

    Published 2021-01-01
    “…The proposal of LTE in the standardization of cellular network systems has received considerable attention in the research domain, and most subscribers widely use it. …”
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  14. 74

    Research on 5G high-precision indoor positioning technology for smart parks by Baoyou WANG, Jingtao YANG, Saibin YAO, Haina YE, Zhihui WANG, Qiyuan ZHANG, Junfeng FU, Taishi JIN

    Published 2023-08-01
    “…The 5G cellular network not only provides wireless communication capabilities for terminals but also offers positioning functionalities.Firstly, the 3GPP 5G positioning technology was briefly outlined, followed by the proposal of the 5G indoor positioning technology road-map.The cloud-edge collaborative integrated positioning architecture, the 5G+X fusion positioning solution, as well as the 5G positioning solution for smart parks were included, with a detailed analysis of the architecture and process.These positioning solutions seamlessly addressed the issue of locating people or objects in areas where GNSS signals cannot reach, which could meet the positioning accuracy and timeliness requirements in different scenarios.The technology solution has been applied in the industry with meter-level positioning accuracy and second-level timeliness, which has been well evaluated by customers.…”
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  15. 75

    Dynamic power control scheme based on fractional frequency reuse for D2D communication by Xianchao WANG, Fan JIANG, Changyin SUN, Chenbi LI, Binyan SHEN

    Published 2016-09-01
    “…By reusing the resource of existing cellular users,D2D (device-to-device)communication underlaying cellular network can improve the spectrum utilization rate and reduce the power consumption of mobile terminals.However,it will bring interference to the existing cellular networks.In order to ensure the quality of service of D2D users and cellular users,the power control and resource allocation scheme for D2D communication underlaying cellular communications was studied.Specifically,fractional frequency reuse was introduced to achieve the resource partitioning and resource reuse between cellular users and D2D users.Based on the principle of maximizing the throughput of the whole system,the optimization objective was established.Combined with the fractional power control and introduction of interference limits,a dynamic power control strategy was proposed.Simulation results show that the proposed scheme improves the performance of the overall system.…”
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  16. 76

    Research of service-differentiated admission control based on Markov decision processes in heterogeneous wireless networks by DENG Qiang1, CHEN Shan-zhi2, HU Bo1, SHI Yan1

    Published 2010-01-01
    “…Service-differentiated admission control was studied in heterogeneous wireless networks.Capacity regions of voice and data services in CDMA cellular network and WLAN were derived.A theoretical model of admission control with differentiated services was proposed on basis of Markov decision processes theory,in which the admission actions were specified for each traffic service and system state transition probabilities were formulated.Furthermore,a fuzzy logic admission utility evaluation mechanism was presented based on the analysis of relationship of QoS requirements and network state,then the optimal admission control policy that maximizes overall utility with new and handoff call blocking probability constraints was formulated.The simulation results reveal that network dynamics can be captured by the proposed utility evaluation mechanism.And the average utility earned in the optimal admission control policy was significantly larger than two other schemes in which service differentiation and mobility are not considered,in addition,the new and handoff call blocking probability can be strictly constrained.…”
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  17. 77

    Mobile Messaging Services-Based Personal Electrocardiogram Monitoring System by Ashraf A. Tahat

    Published 2009-01-01
    “…The experimental setup can be operated for monitoring from anywhere in the globe covered by a cellular network that offers data services.…”
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  18. 78

    Modeling and Performance Analyses of Hybrid Cellular and Broadcasting Networks by Peter Unger, Thomas Kürner

    Published 2009-01-01
    “…As one possible solution to meet the mentioned requirements, we consider the combination of the cellular network UMTS and the mobile broadcast network DVB-H, which form a hybrid network. …”
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  19. 79

    Research on security defense of mobile edge computing by Lu CHEN, Hongbo TANG, Wei YOU, Yi BAI

    Published 2021-02-01
    “…Mobile Edge Computing can solve the problem of heavy backhaul link overloaded and long delay effectively by further extending the telecommunication cellular network to other wireless access networks.However, the MEC nodes are exposed to the edge of the network whose computing resource, storage capacity and energy resource are limited, they are more vulnerable to the illegal attacks by attackers.Based on the briefly analysis of the security threats faced by mobile edge computing, some key problems and challenges of mobile edge computing for four different security subjects, device security, node security, network resources and tasks, and migration security are summed up and expounded, and the existing security solutions were summarized.Finally, the open research and future development trend of mobile edge computing security defense on three aspects that limited resource defense model in the dynamic scene, resource deployment based on comprehensive trust and user-centered service reliability assurance are discussed.…”
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  20. 80

    D2D data sharing partner selection mechanism based on privacy degree and stability degree by Zhangjian HUANG, Guohua YE, Zhiqiang YAO

    Published 2019-12-01
    “…Device to device (D2D) data sharing has become a promising solution to offload cellular network traffic,but the privacy vulnerability and service instability of data sharing partners affect the quality of shared services.To solve this problem,a D2D data sharing partner selection mechanism based on degree of privacy degree and stability degree (named PSUS) was proposed.Firstly,the privacy information of the provider was abstracted and summarized,and the privacy measurement method was built according to the privacy preferences of the provider and the historical records of shared services,and the privacy degree of the provider in different shared services was obtained.Then,the data sharing process was designed based on privacy degree,and the provider cached data under the constraints of privacy preferences and participates in sharing services with low privacy to meet the provider's privacy requirements.Finally,on the basis of the provider who has satisfied the privacy requirements,a multi-index evaluation method was designed to evaluate the service stability of providers to select stable sharing partners.The feasibility of the proposed mechanism was demonstrated by analysis of performance.…”
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