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2016 IEEE Conference on Wireless Sensors (ICWiSE)最新文献

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Network scalability with weight analysis based on UWB indoor positioning system 基于权值分析的超宽带室内定位系统网络可扩展性研究
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8188549
Xiaosi Chen, Chong Shen, Qian Gao, Qun Zhou, Gaoang Feng
Compared with other positioning technologies, UWB positioning technology has the absolute advantages in the accuracy, the real-time performance and the wide-band. It can achieve the positioning accuracy of centimeter level. The maturity of wireless clock synchronization algorithm, TDOA (Time Difference of Arrival) positioning algorithm and the multi tags access provides a good foundation for UWB positioning system. This paper applied weight analysis in network scalability to achieve the efficient network scalability with better accuracy of multi tag access.
与其他定位技术相比,超宽带定位技术在精度、实时性和宽带性方面具有绝对优势。可达到厘米级的定位精度。无线时钟同步算法、TDOA (Time Difference of Arrival)定位算法和多标签接入的成熟为超宽带定位系统提供了良好的基础。本文将权值分析应用于网络可扩展性中,以实现高效的网络可扩展性和更高的多标签访问精度。
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引用次数: 6
A novel application of Bluetooth technology for detection of forest fires 蓝牙技术在森林火灾探测中的新应用
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8188544
Jahan Razavi, Norman Brennan
In designing a detection system for forest fires, we encounter four challenges: detecting the fire, locating the fire, transmitting the information across a long distance, and keeping the system cost low. We propose such a device, PyroVision, which addresses these problems. Specifically, we demonstrate that Bluetooth technology leads to a low cost for a PyroVision node. A grid system allows locating the fire without using GPS. To deal with Bluetooth's poor transmission range, we replace the original antenna with a dipole structure and we also incorporate node hopping. According to our field measurements, the distance between two transmitters in an area with trees can be 42 meters, while in a clear area, it can be increased to 88 meters.
在森林火灾探测系统的设计中,我们面临着探测火灾、定位火灾、远距离信息传输和系统成本低等四大挑战。我们提出这样一种装置,PyroVision,它解决了这些问题。具体来说,我们证明了蓝牙技术可以降低PyroVision节点的成本。网格系统可以在不使用GPS的情况下定位火灾。为了解决蓝牙传输距离差的问题,我们用偶极子结构代替了原有的天线,并加入了节点跳频。根据我们的现场测量,在有树木的地区,两个发射机之间的距离可以达到42米,而在无树木的地区,两个发射机之间的距离可以增加到88米。
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引用次数: 1
Real-time bus location and arrival information system 实时公交定位及到站信息系统
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8187761
Benjamin C. Y. Low, S. Dahlan, M. Wahab
Bus arrival and departure information is widely accessible specially provided by the local public bus services. Using a sophisticated GPS technology, bus companies are able to track their buses and let users know the estimated time of arrival. Users nowadays are depending more on the information, but the convenience is only available for public bus services in the city. In this work, a bus arrival information system was designed by taking advantage of the characteristics of the service routes in rural areas and shuttle bus service in educational institutions. Instead of relying solely on GPS data and complex computational algorithms to calculate the estimated time of arrival of the bus, this system used RFID to update the latest bus stop location that allowed users to have an overview of the real time bus location. GPS was used to provide the real-time location of the moving bus, thanks to the Google Map. The developed system supported participatory contributions where the system depended on the users to update any unpredictable on-road issues and share the information to others. A web application (Web App) was designed with interactive interface as a platform to access all the information. The developed system was tested in UTHM campus-Parit Raja town shuttle bus. This new facility is expected to significantly encourage students to use public transport and improve their travelling experiences.
巴士到达和离开的信息是广泛的,特别是由当地的公共巴士服务提供。利用先进的GPS技术,公交公司可以跟踪公交车,并让用户知道预计到达的时间。现在的用户更多地依赖于信息,但这种便利只有在城市的公共汽车服务上才能得到。本文结合农村地区班车服务路线和教育机构班车服务的特点,设计了班车到站信息系统。该系统不是仅仅依靠GPS数据和复杂的计算算法来计算公交车的预计到达时间,而是使用RFID来更新最新的公交车站位置,让用户对公交车的实时位置有一个概述。多亏了谷歌地图,GPS被用来提供行驶中的公交车的实时位置。已开发的系统支持参与性贡献,该系统依靠用户更新任何不可预测的道路问题并与他人分享信息。设计了一个以交互界面为平台的web应用程序(web App)来访问所有的信息。所开发的系统在UTHM校区- parit Raja镇班车上进行了测试。这个新设施有望极大地鼓励学生使用公共交通工具,改善他们的旅行体验。
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引用次数: 7
Cluster-based position tracking of mobile sensors 基于聚类的移动传感器位置跟踪
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8187754
V. Kumar, N. Bergmann, Izanoordina Ahmad, R. Jurdak, B. Kusy
Tracking movement of mobile nodes has received significant scientific and commercial interest, but long term tracking of resource-constrained mobile nodes remains challenging due to the high energy consumption of satellite receivers. Cooperative position tracking has been proposed for energy efficiency, however, all the cooperative schemes use opportunistic cooperation and optimize for either energy or accuracy. Considering the existence of a reasonably stable group of mobile nodes like animals, birds, and mobile assets, we propose a cluster-based cooperative tracking algorithm, where cluster head centrally coordinates resource usage among cluster members. Variants of this strategy include the use of a cooperative Kalman filter with and without inertial sensor inputs to estimate nodes' positions. We use the Boid flocking algorithm to generate group position movements in 3D and perform various experiments to compare the energy and position accuracy tradeoff of our proposed scheme with individual-based tracking and existing cooperative schemes. We perform the experiments for fixed periodic GPS sampling and dynamic GPS sampling triggered by node position error uncertainty tolerance limit. Experiments results show that in periodic sampling scheme cooperative tracking yields more than one-quarter reduction in energy consumption and more than one-third improvement in position accuracy over individual-based tracking, however, results for dynamic sampling scheme are comparable with existing cooperative scheme.
跟踪移动节点的运动已经引起了重大的科学和商业兴趣,但由于卫星接收器的高能耗,对资源受限的移动节点的长期跟踪仍然具有挑战性。为了提高能源效率,提出了合作位置跟踪方案,但所有的合作方案都采用机会主义合作,要么进行能源优化,要么进行精度优化。考虑到存在一组相对稳定的移动节点,如动物、鸟类和移动资产,我们提出了一种基于集群的协作跟踪算法,其中集群头集中协调集群成员之间的资源使用。该策略的变体包括使用有或没有惯性传感器输入的合作卡尔曼滤波器来估计节点的位置。我们使用Boid群集算法在3D中生成群体位置运动,并进行了各种实验,以比较我们提出的方案与基于个体的跟踪和现有的合作方案的能量和位置精度权衡。分别对节点位置误差不确定度容限触发的GPS固定周期采样和动态采样进行了实验研究。实验结果表明,在周期性采样方案下,与基于个体的跟踪相比,合作跟踪的能耗降低了1 / 4以上,位置精度提高了1 / 3以上,而动态采样方案的结果与现有的合作跟踪方案相当。
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引用次数: 10
Maximum bottleneck energy routing (MBER) — An energy efficient routing method for wireless sensor networks 最大瓶颈能量路由(MBER)——无线传感器网络的一种节能路由方法
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8187759
M. Al-Jumaili, Bijan Karimi
Wireless Sensor Networks need energy efficient protocols for communication and data fusion to consolidate data and prolong the lifetime of the network. In this paper, an adaptive hierarchical clustering and routing method has been proposed. This clustering and routing method is based on maximum bottleneck energy routing (MBER) from a node to the sink. This method favors the routes with the highest energy instead of the neighboring node with the highest energy. MBER minimizes the possibility of a node dying in the route of sending a packet to the sink. Due to MBER's hierarchical structure, data fusion can be applied in different forms and at different levels to send more data from each node to the sink, depending on the application. It can be adapted to varying transmission ranges for communication among nodes. Compared to some of the well-known protocols in the field MBER's results show that it outperforms them in terms of the overall lifetime of the network and the number of packets sent to the sink.
无线传感器网络需要高能效的通信和数据融合协议来整合数据并延长网络的使用寿命。本文提出了一种自适应分层聚类和路由方法。这种聚类和路由方法基于从节点到汇聚点的最大瓶颈能量路由(MBER)。该方法优先选择能量最高的路由,而不选择能量最高的相邻节点。MBER最大限度地减少节点在发送数据包到接收器的路由中死亡的可能性。由于MBER的分层结构,数据融合可以以不同的形式和不同的级别应用,以便根据应用程序从每个节点向sink发送更多的数据。它可以适应节点间通信的不同传输范围。与该领域的一些知名协议相比,MBER在网络的总体生命周期和发送到sink的数据包数量方面都优于它们。
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引用次数: 6
A comparative evaluation for digital image watermarking techniques in wireless image sensor networks 无线图像传感器网络中数字图像水印技术的比较评价
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8187760
L. Trieu, H. T. Minh, L. T. Nguyen, D. Trong
Wireless sensor networks have emerged as the major criteria that enable the Internet of things evolution. In which, wireless image sensor network have wide application range from special domain to civilian and scientific domain thus it is attracted a lot of research. Since security is of the crucial importance for wireless sensor networks, there are existed several authentication techniques for digital right management, and watermarking is a promising approach for ensuring a part of communication security in these networks due to its popular use and lightweight. To develop a security solution based on this approach, the digital image watermarking techniques need to be considered in different aspects of performance. The paper presents a comparative evaluation on error performance of major digital image processing techniques for JEG/JPEG2000 standard image and its embedded watermark images in a typical wireless image sensor networks. Moreover, a watermark detection probability with varied transform methods is delivered to recognize how attack possibilities. Numerical results will show a best choice of embedded watermark transform method in wireless image sensor networks.
无线传感器网络已经成为推动物联网发展的主要标准。其中,无线图像传感器网络具有从特殊领域到民用和科学领域的广泛应用,因此引起了人们的广泛研究。由于安全性对无线传感器网络至关重要,因此存在几种用于数字版权管理的认证技术,而水印由于其广泛使用和轻量级,因此在这些网络中确保部分通信安全是一种很有前途的方法。为了开发基于该方法的安全解决方案,需要从不同的性能方面考虑数字图像水印技术。本文对典型无线图像传感器网络中JEG/JPEG2000标准图像及其嵌入水印图像的主要数字图像处理技术的误差性能进行了比较评价。此外,该算法还提供了多种变换方法的水印检测概率,以识别攻击可能性。数值结果表明了无线图像传感器网络中嵌入水印变换方法的最佳选择。
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引用次数: 2
FPGA implementation of DWT EEG data compression for wireless body sensor networks 无线身体传感器网络中DWT脑电数据压缩的FPGA实现
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8187756
Mohamed Elsayed, A. Badawy, M. Mahmuddin, Tarek M. Elfouly, Amr M. Mohamed, K. Abualsaud
Wireless body sensor networks (WBSN) provide an appreciable aid to patients who require continuous care and monitoring. One key application of WBSN is mobile health (mHealth) for continuous patient monitoring, acquiring vital signs e.g. EEG, ECG, etc. Such monitoring devices are doomed to be portable, i.e., batter powered, and agile to allow for patient mobility, while providing sustainable, energy-efficient hardware platforms. Hence, EEG data compression is critical in reducing the transmission power, hence increase the battery life. In this paper, we design and implement a complete hardware model based on discrete wavelet transform (DWT) for vital signs data compression and reconstruction on a field programmable gate array (FPGA) based platform. We evaluate the performance of our DWT compression FPGA implementation under different practical parameters including filter length and the compression ratio. We investigate the hardware and computational complexity of our design in terms of used resource blocks for future comparison with state-of-the-art techniques. Our results show the efficiency of the proposed hardware compression and reconstruction model at different system parameters, including the high pass filter coefficients, and DWT type, and DWT threshold.
无线身体传感器网络(WBSN)为需要持续护理和监测的患者提供了可观的帮助。WBSN的一个关键应用是移动医疗(mHealth),用于连续监测患者,获取生命体征,如脑电图、心电图等。这样的监测设备注定是便携的,也就是说,有更好的动力,灵活地允许病人移动,同时提供可持续的、节能的硬件平台。因此,脑电图数据压缩对于降低传输功率,从而延长电池寿命至关重要。本文在基于现场可编程门阵列(FPGA)的平台上,设计并实现了基于离散小波变换(DWT)的生命体征数据压缩与重构的完整硬件模型。我们在不同的实际参数下评估了我们的DWT压缩FPGA实现的性能,包括滤波器长度和压缩比。我们根据使用的资源块来研究我们设计的硬件和计算复杂性,以便将来与最先进的技术进行比较。研究结果表明,在不同的系统参数下,包括高通滤波系数、DWT类型和DWT阈值,所提出的硬件压缩和重构模型都是有效的。
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引用次数: 14
Maximizing data gathering in mobile wireless sensor networks 在移动无线传感器网络中最大化数据收集
Pub Date : 2016-10-01 DOI: 10.1109/ICWISE.2016.8187753
David Martin Amitu
Mobile sensors are expected to play a significant role in the next generation Internet of Things (IoT) networks, with sensors in vehicles, drones, robots and more. These mobile sensors participate in data gathering for various application scenarios. Some applications are information intensive in that huge chunks of data are required in order to make informative decisions. However, mobility in Wireless Sensor Networks greatly limits the amount of data that can be gathered. We therefore propose an approach for maximizing data gathering in mobile Wireless Sensor Networks. The main objective of this approach is to maximize the data gathering capability of the mobile sensor network for information intensive applications using a dual-stage maximization approach which involves maximizing data gathered within each cluster through a proper selection of cluster heads and maximizing data transmitted to the Base station from cluster heads using a near-optimal transmission duration. Simulation results of our proposed approach show significant data gathering performance gains.
预计移动传感器将在下一代物联网(IoT)网络中发挥重要作用,传感器将应用于车辆、无人机、机器人等。这些移动传感器参与各种应用场景的数据收集。有些应用程序是信息密集型的,因为需要大量的数据来做出信息决策。然而,无线传感器网络的移动性极大地限制了可以收集的数据量。因此,我们提出了一种在移动无线传感器网络中最大化数据收集的方法。该方法的主要目标是使用双阶段最大化方法最大化移动传感器网络的数据收集能力,用于信息密集型应用,该方法包括通过适当选择簇头最大化每个簇内收集的数据,并使用近乎最佳的传输持续时间最大化从簇头传输到基站的数据。仿真结果表明,我们提出的方法显著提高了数据收集性能。
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引用次数: 3
Geometric sensitivity of localization using airborne mobile anchors with volume probabilistic multilateration 基于体积概率乘法的机载移动锚定位几何灵敏度
Pub Date : 1900-01-01 DOI: 10.1109/ICWISE.2016.8187758
Izanoordina Ahmad, N. Bergmann, R. Jurdak, B. Kusy
Locating fixed sensing devices with a mobile anchor is attractive for covering larger deployment areas. Probabilistic localization has been shown to reduce error over deterministic approaches, yet the performance sensitivity to the geometric arrangement of anchor beacon positions remains unexplored. This paper presents a detailed description of a new RSSI-based localization algorithm which uses a volumetric probability distribution function to find the most likely position of a node by information fusion from several mobile beacon radio packets. Results show a significant performance improvement of up to 80% over existing approaches. Secondly, simulations are conducted to determine the effect of the 3-D geometry of localization broadcast packets. Compared to both a symmetric circular arrangement of beacons, and an arrangement of beacons in a line, if beacon positions are allowed to move to a more asymmetric arrangement with a range of angles and heights, the localization error is reduced to approximately 1 metre or by up to 96% compared to a poor geometry. This is despite individual ranging errors of much more than 1 metre.
定位带有移动锚的固定传感设备对于覆盖更大的部署区域很有吸引力。与确定性方法相比,概率定位已被证明可以减少误差,但对锚信标位置几何排列的性能敏感性仍未得到探索。本文详细描述了一种新的基于rssi的定位算法,该算法利用体积概率分布函数从多个移动信标无线分组中融合信息,找到节点最可能的位置。结果表明,与现有方法相比,该方法的性能显著提高了80%。其次,进行了仿真,确定了定位广播包三维几何形状的影响。与信标的对称圆形排列和信标的直线排列相比,如果信标位置允许移动到具有角度和高度范围的更不对称的排列,定位误差将减少到大约1米或与糟糕的几何形状相比高达96%。尽管单个的测距误差远远超过1米。
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引用次数: 1
期刊
2016 IEEE Conference on Wireless Sensors (ICWiSE)
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