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检索条件"任意字段=2nd International Conference on Sensor Networks and Signal Processing, SNSP 2019"

共 454 条记录，以下是51-60 订阅

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Modulation Pattern Recognition Based on Resnet50 Neural Network 2

Modulation Pattern Recognition Based on Resnet50 Neural Netw...

引用

2nd IEEE international conference on Information Communication and signal processing (ICICSP)

作者： Tian, Xiao Chen, Chao Commun Univ China Engn Res Ctr Radio & TV Digitalizat Minist Educ Beijing Peoples R China

ISBN: (纸本)9781728151021

In this paper, several typical convolutional neural networks, VGG16, VGG19, Inception, Xception and Resnet50, are used to identify the modulation pattern of the constellation. It is found through experiments that the Resnet50 network performs best in the recognition of constellations. Then, using the Resnet50 convolutional neural network, the two modes of the modulation mode and the signal-to-noise ratio of the constellation are simultaneously identified. When the accuracy of the signal-to-noise ratio is required to be 1 db, the identified quasi-group rate is 60 percent. When the accuracy of the signal to noise ratio is required to be 2db. The accuracy of recognition can reach 85 percent.

关键词： component Resnet50 Convolutional Neural networks Modulation Pattern Recognition constellations

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Multi-Carrier Backscatter Communication System for Concurrent Wireless and Batteryless Sensing 2

Multi-Carrier Backscatter Communication System for Concurren...

引用

2nd IEEE international conference on Wireless Communications, signal processing and Networking (WiSPNET)

作者： Rajoria, Nitish Kamei, Hiromu Mitsugi, Jin Kawakita, Yuusuke Ichikawa, Haruhisa Keio Univ Tokyo Japan Univ Electrocommun Chofu Tokyo Japan

ISBN: (纸本)9781509044429

Wireless and batteryless sensing has recently attracted significant attention of researchers in IoT and WSN applications. It turns out to be more challenging when simultaneous data acquisition from multiple sensors is required. This paper introduces a non-orthogonal multiple access technique MSMA, using extremely simple wireless and batteryless sensor tags and a reader to support concurrent streaming from multiple sensors. By simultaneously handling non-orthogonal subcarriers, produced either by multiple or single sensor tag, it can realize concurrent sensor data streaming, which can be used in health monitoring of machinery and civil structures. The paper explains the two primary challenges in MSMA, the optimal assignment of subcarrier frequencies and the unavoidable harmonics from one subcarrier to others. Since the mutual interference among subcarriers is unevenly distributed over the available frequency band, random allocation of subcarrier frequencies may result in degraded system performance. Results show that the interference can be canceled out with the signal processing technique and the system communication capacity can be increased significantly with a proposed heuristic approach compared to random allocation of subcarrier frequencies to the sensor tags.

关键词： sensors Harmonic analysis Radio frequency Interference Backscatter Wireless sensor networks Band-pass filters

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sensor virtualization Middleware design for Ambient Assisted Living based on the Priority packet processing 10

Sensor virtualization Middleware design for Ambient Assisted...

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10th international conference on Ambient Systems, networks and Technologies (ANT) / 2nd international conference on Emerging Data and Industry 4.0 (EDI40)

作者： Khalid, Zubair Khalid, Usman Sarijari, Mohd Adib Safdar, Hashim Ullah, Rahat Qureshi, Mohsin Rehman, Shafiq Ur Fed Urdu Univ Arts Sci & Technol Dept Elect Engn G7-1 Islamabad Pakistan COMSATS Inst Informat Technol Dept Elect Engn Abboattabad Pakistan Univ Teknol Malaysia UTM Johor Fac Elect Engn Johor Baharu Malaysia

Wireless sensor Network (WSN) is leading towards a new and more advanced paradigm that is Internet of Everything (IoE). Ambient Assisted Living (AAL), which aims to support elderly and physically challenged persons, is based on sensor networks. WSNs are mostly installed for a particular single application. Though, future of WSNs hides in WSN virtualization, which supports multiple applications. The aggregation of the sensor network resources in the form of software or hardware are supported by WSN virtualization. In Virtualizing WSN, the role of middleware layer is of supreme importance. However, a middleware layer faces overhead challenges of high processing time, delay, and the power consumption. The major challenge faced by AAL application in the paradigm of WSN virtualization is the delay caused by the aggregation of the sensed data. In this research paper efforts have been made to design a priority based multi-threading middleware design for sensor virtualization. The proposed middleware resides at the sensor node as well as the gateway that reduces the delay caused by the sensor virtualization. The proposed middleware design has been implemented and tested on the AAL testbed. (C) 2019 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-nd license (http://***/licenses/by-nc-nd/4.0/) Peer-review under responsibility of the conference Program Chairs.

关键词： AAL sensor Virtualization Middleware layer sensing nodes

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Data Gathering in Wireless sensor Network Using Optimum Mobile Sink Path 2

Data Gathering in Wireless Sensor Network Using Optimum Mobi...

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2nd IEEE international conference on Wireless Communications, signal processing and Networking (WiSPNET)

作者： Holla, B. Ashutosh Ravi, B. Shenoy, Udaya Kumar K. NMAMIT Dept Comp Sci & Engn Nitte India

ISBN: (纸本)9781509044429

Wireless sensor networks (WSN) consist of nodes geographically distributed in a remote and hostile region to monitor certain real time events. sensor nodes collect the sensed data, process and forward it to the sink or base station using multi-hop transmission. Each sensor node is equipped with a battery which, in most cases, is impractical or infeasible to replace manually. Thus, one of the important research issues in WSN is minimizing energy dissipation that reduces the network lifetime. In WSNs with stationary sink, nodes near the sink forward more traffic than farther away nodes due to multihop forwarding. As a result, nodes near the sink deplete their energy faster than farther away nodes thereby reducing the WSN lifetime. To address this issue, an optimum mobile sink path based data gathering is proposed where a mobile sink follows the optimum path to collect the sensed data in a large-scale WSN.

关键词： Mobile sink sensor node multi-hop forwarding data collector node data gathering optimum mobile sink path

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Underwater target localization based on DOAs of sensor array network

Underwater target localization based on DOAs of sensor array...

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2010 2nd international conference on signal processing Systems, ICSPS 2010

作者： Biao, Wang Guang, Yang Zhibing, Xie Weibo, Zhong College of Electronic Information Jiangsu University of Science and Technology Zhenjiang China College of Engineering Ocean University of China Qingdao China

ISBN: (纸本)9781424468911

The underwater target localization problem is one important application for underwater acoustic sensor networks. A novel passive source location algorithm for underwater acoustic sensor networks is proposed, which is suitable to both two-dimensional and three-dimensional networks. The proposed algorithm firstly studies the precision of directional of arrival (DOA) for underwater acoustic sensor array and applies it to set up the statistic model of target localization based on DOAs. According to the model, the maximum likelihood (ML) method is used to estimate the target Location based on DOAs by sensor array nodes. Lastly, the result of simulation has shown the application validity and studied the precision performance of the algorithm. © 2010 IEEE.

关键词： Maximum likelihood

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Research on Clustering Algorithm for Wireless sensor networks 2

Research on Clustering Algorithm for Wireless Sensor Network...

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2nd international conference on signal processing and Intelligent Computing, SPIC 2024

作者： Han, Ting Liang, Ying Shenyang Ligong University Shenyang China

ISBN: (纸本)9798350368888

This paper presents a new algorithm to reduce network energy consumption and extend network life cycle, the methods such as adding supplementary nodes, improving the probability of cluster node becoming cluster head, and improving the inter-cluster transmission method are mainly utilized. The problems of node energy loss too fast, network energy consumption imbalance, and energy consumption from cluster head to base station are solved. Simulation results show that the new algorithm proposed in this paper improves 17 times and 28.3% in data transmission, 88.5% and 8.7% in prolonging the network lifecycle, and 62.4% and 35.9% in reducing the energy loss of the network compared with the LEACH algorithm and DEEC algorithm. © 2024 IEEE.

关键词： clustering algorithm dynamic heterogeneity wireless sensor networks

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Robust cooperative node localization in wireless sensor networks

Robust cooperative node localization in wireless sensor netw...

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2010 2nd international conference on signal processing Systems, ICSPS 2010

作者： Jie, Wang Wang, Hongyu Gao, Qinghua Zhang, Xiaoyun Faculty of Electronic Information and Electrical Engineering Dalian University of Technology Dalian 116023 China

ISBN: (纸本)9781424468911

Node localization in mobile wireless sensor networks is a challenging task because of the changing environments and outlying sensor readings. A robust cooperative localization algorithm based on particle filter is proposed in this paper to deal with this non-Gaussian and non-linear estimation problem. Trace prediction, genetic crossover operation and node cooperation methods are used to optimize the particle quality and weight, so as to improve the localization accuracy of the algorithm. Only the inexpensive binary sensors are needed to provide observation information which makes the algorithm suit for almost every type of wireless sensor networks. Simulation results demonstrate that the proposed algorithm outperforms other classical localization methods while with low anchor node density. © 2010 IEEE.

关键词： sensor nodes

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Design of wireless vibration measuring system for material processing machinery equipment 2

Design of wireless vibration measuring system for material p...

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2nd international conference on Frontiers of Materials Synthesis and processing (FMSP)

作者： Chen, Jun Gao, Ya Luoyang Normal Univ Phys & Elect Informat Dept Luoyang 471934 Peoples R China

Aiming at the problem of mechanical vibration measurement in material processing equipment at present, a vibration measurement method using MEMS micro-accelerometer as measuring sensor is proposed. The wireless sensor module with the core of CC2430 device is used to form the sending and receiving node of the signal. ADS8344 chip is used as the data acquisition converter to collect the vibration signals output by MEMS sensor. Collection, storage, control and other functional modules are integrated in the single chip microcomputer. At last, the vibration peak value and frequency of the system are tested, and the feasibility of the system is verified.

关键词： Rotating machinery sensor Wireless Vibration measurement

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A novel multiple sink nodes placement strategies based on gene expression programming for wireless sensor networks

A novel multiple sink nodes placement strategies based on ge...

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2010 2nd international conference on Industrial Mechatronics and Automation, ICIMA 2010

作者： Xu, Lijun Gao, Guohong Li, Xueyong Wang, Jimin Institute of computer and Information Engineering Xinxiang University Henan Xinxiang 453003 China School of Information Engineer Henan Institute of Science and Technology Henan Xinxiang 453003 China

ISBN: (纸本)9781424476541

Wireless sensor network is a new type of network with embedded system, wireless communication, distributing computing and micro sensor technology. In order to understand principles and describe theory of wireless sensor network node, after analyzing components and signal processing course in wireless sensor network node, the signal models of nodes were studied. A real application node of wireless sensor network node based on Gene Expression Programming processor was introduced. The work affords positive significance in theory and application forwireless sensor network node. © 2010 IEEE.

关键词： Gene expression

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A Novel Clustering Protocol for Wireless sensor networks 2

A Novel Clustering Protocol for Wireless Sensor Networks

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2nd IEEE international conference on Wireless Communications, signal processing and Networking (WiSPNET)

作者： Darabkh, Khalid A. Al-Rawashdeh, Wala's S. Hawa, Mohammed Saifan, Ramzi Khalifeh, Ala' F. Univ Jordan Dept Comp Engn Amman 11942 Jordan Univ Jordan Dept Elect Engn Amman 11942 Jordan German Jordanian Univ Elect Engn & Informat Technol Madaba 11180 Jordan

ISBN: (纸本)9781509044429

There are many existing clustering protocols that aim at making the sensor network stay functioning longer out of which Low-Energy Adaptive Clustering Hierarchy (LEACH) and Threshold-based LEACH (T-LEACH) protocols. T-LEACH protocol takes advantage of LEACH main deficiency, which is about having high control overhead. In other words, T-LEACH proposes that cluster heads do not have to turn over every round but rather every batch of rounds. Nodes will keep serving as cluster heads as long as their energy is higher than a threshold energy. This article imposes upon major drawbacks of T-LEACH and proposes a Modified Threshold-based Cluster Head Replacement (MT-CHR). In MT-CHR, a new probability of being a cluster head, for any node in any round, has been proposed which agrees fairly with the assumptions introduced in LEACH protocol.

关键词： Wireless sensor networks clustering protocols threshold probability threshold energy network lifetime

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