Showing 261 - 280 results of 447 for search '"wireless network"', query time: 0.05s Refine Results
  1. 261

    Application of Intelligent Sensor in Mining Electrical Equipment Collection by Jing Chang, Fating Zhang, Yuyu Zhu

    Published 2022-01-01
    “…The system uses a variety of sensor fusion methods, with the help of Zigbee wireless network nodes, and passes the data collected by the sensor to the MCU core processor; thus, the collected data are processed, and then, the RS-485 communication protocol is used to upload the data to the upper station; finally, the monitoring of coal mine safety is realized through the background monitoring interface. …”
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  2. 262

    RW-MC:self-adaptive random walk based matrix completion algorithm by Xin-heng WANG, Qian-yun WANG, Jia-jie WANG, Guo-feng ZHAO, Wen-qiang JIN

    Published 2017-09-01
    “…Concerning the continually perceiving performance of virtual access points (VAP) was urgent in software-defined wireless network (SDWN),with the features of VAPs’ measurement data (VMD),a self-adaptive matrix completion algorithm based on random walk was proposed,named RW-MC.Firstly,the discrete ratio and covering ratio of VMD account for a sample determination model was used to claim initial samples.Secondly,random walk model was implemented for generating sampling data points in the next iteration.Finally,a self-adaptive sampling redress model concerning the differences between the current error rates and normalize error rates of neighboring completion matrices.The experiments show that the approach can collect the real-time sensory data,meanwhile,maintain a relatively low error rate for a small sampling rate.…”
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  3. 263

    Research and Implementation of Agreement on a Recording Control by Yanchao Wu, Zhihui Xiao, Yishan Chen

    Published 2013-02-01
    “…As one of the private wireless network communication systems,the broadband multimedia cluster system has its own characteristics,which is based on wireless broadband technology,using the form of multimedia services,to command and dispatch functions mainly,etc. …”
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  4. 264

    Research on Distributed Wireless Multi-Step Attack Pattern Mining Method for WLAN by Guanlin Chen, Zebing Wang, Yong Zhang

    Published 2013-11-01
    “…Due to the distinctive characteristics of wireless network, the applications of multi-stage attack plan recognition for WLAN are rarely seen in spite of the promising potential. …”
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    Article
  5. 265

    Deep Learning Techniques for Peer-to-Peer Physical Systems Based on Communication Networks by Ajay. P, Nagaraj. B, Ruihang Huang

    Published 2022-01-01
    “…For further investigation, you are more likely to pass this test using a data-driven program and increasing the exposure of your wireless network with limited distance resources. This study focuses on various deep learning strategies used in peer-to-peer communication networks. …”
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  6. 266

    Research and practice of 5G edge cloud based port unified communication scheme by Yan NING, Lei ZHANG, Xiaoyuan LU

    Published 2022-11-01
    “…With the advantages of distribution, flexible networking, rapid deployment, and local data offloading, 5G edge cloud has a wide range of application prospects in the vertical industrial field such as ports, and also puts forward certain requirements for the realization of unified communications in ports.On the basis of studying the unified communication architecture of ports based on 5G edge cloud, a functional framework of the 5G edge cloud that realized a comprehensive perception of various elements of the port site and supported the transformation of automated services was proposed.The functional framework could be well applied to the unified hosting of wired and wireless network integration in port scenarios, and could be used as the network infrastructure of unified communication of port networks in the current complex environment.Finally, the scheme was applied to a port terminal for practical verification.…”
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  7. 267

    4kUHD H264 Wireless Live Video Streaming Using CUDA by A. O. Adeyemi-Ejeye, S. Walker

    Published 2014-01-01
    “…We therefore present for the first time a novel implementation of 4kUHD live encoding for streaming over a wireless network at low bitrate indoors, using CUDA for parallel H264 encoding. …”
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  8. 268

    Research on 4G/5G voice quality optimization based on data mining and geographic visualization by Jian HU, Lei SUN, Yiyan YIN, Xiaokang YANG, Jingui BAI, Yejiang ZHANG

    Published 2022-10-01
    “…Traditional voice quality optimization relies on field test, case accumulation and expert experience.It is costly and inefficient to analyze problems by manual test.Through the application of data mining, decision tree machine learning algorithm, geographic visualization and other technologies, a voice experience optimization visualization platform based on big data analysis was developed, which could effectively identify the laws in voice big data, and realize the functions of correlation analysis between user voice experience index and wireless network performance index, intelligent recognition of degradation threshold and image analysis of poor quality areas.It is conducive to reduce the skill threshold of network engineers, improve the work efficiency of network optimization, save network operation and maintenance costs, and provide accurate and effective voice experience improvement solutions for the industry.…”
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  9. 269

    Research on space focusing virtual coverage based on orthogonal frequency time reversal method by Yifang NIE, Fangwei LI

    Published 2019-10-01
    “…To solve the problem of information leakage and coverage efficiency in ultra-dense wireless network,the orthogonal frequency-time reversal virtual coverage scheme was proposed.At first,different wireless reversal channels with lower correlation were distinguished by orthogonal carries.Next,after time reversal,the space focusing of each target signal was realized around the terminal.Then,theoretical expressions of the signal coverage and the signal-interference-to-noise ratio were derived and proved.Ultimately,the virtual coverage was shaped,meeting the requirements of users.The coverage of unrelated user not belonging to system was reduced.The results show that those unrelated users are difficult to receive the target signal because of virtual coverage.In addition,the system has higher capacity and security rate of reliable transmission without any more power or antennas.…”
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  10. 270

    A survey of resource allocation in non-orthogonalmultiple access systems by Zhengqiang WANG, Qu CHENG, Zifu FAN, Xiaoyu WAN

    Published 2018-08-01
    “…Non-orthogonalmultiple access(NOMA)is an important candidate technology of the fifth generation(5G)wireless network,which canmeet the low latency,low power consumption,high reliability,high throughput,wide coverage requirements of the next generationmobile communication systems.NOMA utilizes superposition coding at the transmitter and successive interference cancellation at the receiveRto allow several users’datamultiplexing in the same resource block.It improves the spectrum efficiency compared with the traditional orthogonalmultiple access.The research status of resource allocation of NOMA systems was summarized including single-carrier NOMA resource allocation,multi-carrier NOMA resource allocation,cooperative NOMA relay resource allocation,and cooperative NOMA resource allocation under hardware impairment conditions.Finally,themain problems in the current study were summarized and the research challenges and some future research directions of NOMA resource allocation technology were discussed.…”
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  11. 271

    Multi-agent heterogeneous network selection method based on 5G UAV communication by Yu DING, Chenkai LI, Huimei HAN, Weidang LU, Yuanhong REN, Yuan GAO, Jiang CAO

    Published 2022-08-01
    “…The combination of 5G UAV communication and different wireless access technologies makes wireless heterogeneous networks present a diversified development trend.However, various types of service requests by users have different requirements on the heterogeneous networks, which leads to the problem of network selection.A multi-agent heterogeneous network selection method based on 5G UAV communication was proposed.Specifically, the users were divided into multiple agents.From the two aspects of the user side and the network side, the delay and transmission rate requirements of the user side and the load balancing requirement of the network side were comprehensively considered as the relevant parameters of immediate reward.The simulation results show that the proposed heterogeneous network selection method can select the appropriate network according to the needs of users of different service types, balance the load of the network, and make full use of the resources of the heterogeneous wireless network.…”
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  12. 272

    Future architecture and evolution of communication network by Sheng ZHANG, Wei RONG

    Published 2018-07-01
    “…With the rapid development of the internet,the network bearer content is gradually transformed from a service based on connection-based information interaction to a service based on content sharing (video).The network transmits a large amount of redundant information,resulting in abnormal large-scale investment.And the quality of the service is difficult to guarantee,and it is urgent to study and construct a network that matches the business development.The content sharing connection relationship and the communication network architecture connection relationship were studied,and the two-dimensional poor time distribution or three-dimensional distribution and other implementation methods were explored.CDN was constructed to construct the content edge node,and the core network,wireless network,bearer network architecture and network element deployment were optimized.And space-based network such as satellite was considered to introduce to build a scale-free small hop network on the existing communication network to achieve matching of network architecture and content distribution.…”
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  13. 273

    Resources Scheduling Algorithm in Power Wireless Private Network Based on SDON by Ningzhe Xing

    Published 2017-01-01
    “…By studying the business characteristics of the uplink transmission of power wireless network, the priority of the service is evaluated before the resource scheduling is carried out. …”
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  14. 274

    Home Wi-Fi mesh networking technology by Longjie XU, Ning GUO, Tao GUO, Jianting HAN

    Published 2018-11-01
    “…Wi-Fi mesh is a kind of suitable for large or complex home wireless self-organizing network solution.It can provide users with full coverage,self-handoff and easy installation of high-quality wireless network.Wi-Fi mesh has many advantages,such as self-organizing,self-management,self-repair and self-balance.But the existing Wi-Fi mesh product implementation scheme is not uniform,complex,high terminal capability requirement and unable to interoperate.The realization of multi AP collaborative work in home network was firstly discussed,then the main current technology development of Wi-Fi mesh was analyzed,and the technical scheme and comparative analysis of home Wi-Fi mesh was focused on.Then,aiming at home application scenario,a Wi-Fi mesh technology implementation scheme for operators was presented,which was modularized,easy to realize,with low terminal capability requirement and good interoperability.…”
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  15. 275

    Network Architecture, Security Issues, and Hardware Implementation of a Home Area Network for Smart Grid by Sergio Saponara, Tony Bacchillone

    Published 2012-01-01
    “…A key element of Smart Grid is the energy home area network (HAN), for which an implementation is proposed, dealing with its security aspects and showing some solutions for realizing a wireless network based on ZigBee. Possible hardware-software architectures and implementations using COTS (Commercial Off The Shelf) components are presented for key building blocks of the energy HAN such as smart power meters and plugs and a home smart information box providing energy management policy and supporting user's energy awareness.…”
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  16. 276

    Design of event-triggered state estimator with unknown input in wireless sensor networks by Cheng-han XIE, Sai-jie LU, Yun-ji LI, Li PENG

    Published 2017-10-01
    “…With the development of sensors and wireless network technology,a series of new applications based on the wireless sensor has been merged in the past decades.Too much energy consumption and over-abundant occupancy rates of bandwidth are great challenges in these new applications,thus,it is of great practical significance to study the energy saving of the data transmission among these nodes.An estimator with the corresponding event-triggered transmission scheme was investigated for a class of discrete-time stochastic systems subject to unknown input.Its features satisfied the characteristic of unbiased and minimum variance was designed and then the proposed event-triggered strategy,which decided the transfer time of the data packet,can be used to reduce the number of data transmission.Furthermore,an upper bound of system performance was derived for obtaining the parameters of event scheme in details.Finally,a numerical example was given to verify the potential and effectiveness of the proposed theoretical result.…”
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  17. 277

    UHF Metamaterial Absorber with Small-Size Unit Cell by Combining Fractal and Coupling Lines by Shicheng Fan, Yaoliang Song

    Published 2018-01-01
    “…Due to the small ratio, it can be widely used in radiation suppression for microwave relay communication such as mobile communication and wireless network by changing the parameters of the structure.…”
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  18. 278

    The Application of Clothing Intelligent 3D Display with Uncertainty Models Technology in Clothing Marketing by Zhonglin Xu, Trip Huwan

    Published 2022-01-01
    “…As a result of the development of new technologies such as satellite communication, digitalization, and multimedia computer networks, new media such as blogs, online magazines, and wireless network media have sparked a lot of interest. …”
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  19. 279

    Semantic communication networking for the intelligence of everything by Guangming SHI, Yong XIAO, Yingyu LI, Dahua GAO, Xuemei XIE

    Published 2021-06-01
    “…With the fast growing demand for the wireless network intelligence, the future communication system will transform from the traditional data-oriented solution to a novel intelligence-of-everything (IoE)-based architecture.Semantic communication is a new communication technology which involves the meaning of message into the communication process.It is believed that semantic communication will have the potential to serve as the fundamental paradigm for the future IoE.The relationship between the semantic communication and IoE was discussed and the basic models and fundamental components of semantic communication were introduced.By discussing the limitations of point-to-point semantic communication, it was argued that the knowledge sharing and resource convergence-based semantic communication networking would be ideal for supporting the future massive scales of IoE systems.The basic components of the semantic communication networking system were discussed and a federated edge intelligence-based semantic communication networking architecture as a case study was considered.Simulation results show that semantic communication networking has the potential to further reduce the resource demand and improve the efficiency of semantic communication.Finally, open problems for future research were discussed.…”
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  20. 280

    Unified Carrier Regulation and Management Technology for Multiple Baseband Systems in High Throughput Satellite Network by LI Yan, ZHAO Yiyun, WANG Yixuan

    Published 2024-09-01
    “…This article analyzed the carrier regulation and maintenance needs and challenges brought about by the above background, and studied the unified carrier regulation scheme for multi baseband systems, aimed to achieve reasonable and flexible allocation of spectrum resources, thereby fully unleashing the value of wireless network resources.…”
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