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A correlation-based coverage-aware and energy-balanced probabilistic flooding algorithm 一种基于关联的覆盖感知和能量平衡概率泛洪算法
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2016-01-01 DOI: 10.1504/IJSNET.2016.10001360
W. Jianping, Rong Huihui, Sun Wei, Liu Qiyue
Aiming at the costly explicit and implicit acknowledgements (ACKs) and the serious energy imbalance of the existing flooding algorithm, a correlation-based coverage-aware and energy-balanced probabilistic flooding algorithm (CCEP) is proposed in this paper. CCEP distinguishes previous flooding algorithms with three features: (1) it exploits the link correlation between neighbours; the one-hop neighbours that have high link correlation are assigned to an aggregate explicit or implicit acknowledgement (aggregate ACK), thus effectively ameliorating the ACK implosion problem and saves energy on both data transmit and ACKs; (2) it balances the residual energy of sensor nodes; (3) it achieves target reliability and energy efficiency by tracking real-time aggregate ACKs and probabilistically deciding whether to retransmit a packet. The simulation results reveal that CCEP saves more than 50% energy on explicit and implicit ACKs in most cases while achieving target reliability; CCEP simultaneously reduces network variance of residual energy, thus prolonging the network lifetime.
针对现有泛洪算法的显式和隐式确认成本高、能量不平衡严重等问题,提出了一种基于相关的覆盖感知和能量平衡概率泛洪算法(CCEP)。CCEP与以前的泛洪算法有三个特点:(1)利用邻居之间的链路相关性;将链路相关性高的单跳邻居分配给聚合显式或隐式确认(aggregate ACK),从而有效地改善了ACK内爆问题,节省了数据传输和ACK的能量;(2)平衡传感器节点的剩余能量;(3)通过实时跟踪ack聚合并概率决定是否重传数据包来实现目标可靠性和能源效率。仿真结果表明,在大多数情况下,CCEP在达到目标可靠性的情况下,显式和隐式ack均节省50%以上的能量;同时减少了剩余能量的网络方差,从而延长了网络寿命。
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引用次数: 3
Minimum k, ω-angle barrier coverage in wireless camera sensor networks 无线摄像传感器网络中最小k ω角屏障覆盖
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2016-01-01 DOI: 10.1504/IJSNET.2016.078321
Biaofei Xu, Yuqing Zhu, Deying Li, Donghyun Kim, Weili Wu
Barrier coverage is an important issue in wireless sensor networks, which guarantees to detect any intruder attempting to cross a barrier or penetrating a protected region monitored by sensors. However, the barrier coverage problem in wireless camera sensor networks WCSNs is different from that in scalar sensor networks. In this paper, based on k, ω-angle coverage, we study the minimum k, ω-angle barrier coverage problem in WCSNs. We first present the technique to deploy minimum number of camera sensors to form a k, ω-angle barrier. Then propose a novel method to select the minimum number of camera sensors from an arbitrary deployment to form a k, ω-angle barrier. Though our simulation, we confirm that our algorithms reduce the number of sensors required comparing to the state-of-art algorithm.
障碍物覆盖是无线传感器网络中的一个重要问题,它可以保证检测到任何试图越过障碍物或穿透传感器监控的保护区域的入侵者。然而,无线摄像机传感器网络wcsn中的屏障覆盖问题与标量传感器网络中的屏障覆盖问题不同。本文在k ω角覆盖的基础上,研究了wcsn中最小k ω角屏障覆盖问题。我们首先提出了部署最小数量的相机传感器以形成k ω角屏障的技术。然后提出了一种新的方法,从任意部署中选择最小数量的相机传感器,形成k ω角障壁。通过我们的模拟,我们确认我们的算法与最先进的算法相比减少了所需的传感器数量。
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引用次数: 6
Election-based method for fault tolerance in a hierarchical sensor network EFTOHSN: a case study of an indoor localisation system 基于选举的分层传感器网络EFTOHSN容错方法:一个室内定位系统的案例研究
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2016-01-01 DOI: 10.1504/IJSNET.2016.080202
Mohamed Naili, Achour Achroufene, Makhlouf Naili
In the sensor network with a hierarchical topology, the set of sensors is divided into subsets, and each one of them has some defined tasks to accomplish. If a sensor stops executing its tasks inactive, the sensor network becomes useless or provides false information. To solve this problem, this paper presents a new protocol based on the election concept, where an election process will be triggered once a sensor ceased communicating with the others nodes; one of the existed sensors will be elected, to execute, besides its previous tasks, those of the inactive sensor. We discuss the simulation of our protocol in case of a wireless sensor network for indoor localisation purpose, and analyse its performance regarding the needed time to replace an inactive sensor in several levels of the network hierarchy.
在具有分层拓扑结构的传感器网络中,传感器集被划分为多个子集,每个子集都有特定的任务需要完成。如果某个传感器停止执行非活动任务,则传感器网络将变得无用或提供错误信息。为了解决这一问题,本文提出了一种基于选举概念的新协议,当一个传感器停止与其他节点的通信时,将触发选举过程;其中一个现有的传感器将被选中,除了执行其先前的任务外,执行非活动传感器的任务。我们讨论了用于室内定位目的的无线传感器网络的协议仿真,并分析了其在网络层次的几个级别中更换非活动传感器所需时间的性能。
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引用次数: 1
Architecting reconfigurable publish/subscribe applications for wireless sensor networks 为无线传感器网络构建可重构的发布/订阅应用程序
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2015-05-01 DOI: 10.5555/2787072.2787076
DongBiao, ChenJinhui
This paper presents an approach, called LBS, for modelling and implementing the architecture of wireless sensor networks WSNs publish/subscribe Pub/Sub applications using a local broker subcomponen...
本文提出了一种称为LBS的方法,用于建模和实现无线传感器网络wsn的体系结构,即使用本地代理子组件发布/订阅Pub/Sub应用程序。
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引用次数: 0
Mass concrete structure damage identification research based on wireless sensor networks and agents 基于无线传感器网络和智能体的大体积混凝土结构损伤识别研究
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2015-05-01 DOI: 10.1504/IJSNET.2015.069586
Y. Along, Sun Hongbing
To effectively prevent the generation of crack, it is necessary to monitor and control the temperature and stress of the mass concrete. Unlike the usual methods on structure damage identification, a new mass concrete structure damage identification system is demonstrated based on wireless sensor networks WSNs and mobile agent technology. With the identification system, parallel information on the temperature and stress distributed throughout the concrete can be collected and processed by way of wireless sensor nodes. The application of mobile agents in WSNs can improve the collaboration, coordination and information fusion between heterogeneous systems and effectively reduce the transmission of redundant data and node power consumption. It is convenient and reliable to install the system, in which the structure and design can be analysed in detail and field tests can also be accomplished. The experimental results show that this system can achieve real-time online damage identification of the temperature and stress of the mass concrete construction.
为了有效防止裂缝的产生,有必要对大体积混凝土的温度和应力进行监测和控制。与传统的结构损伤识别方法不同,提出了一种基于无线传感器网络和移动代理技术的大体积混凝土结构损伤识别系统。利用该识别系统,可以通过无线传感器节点收集和处理分布在混凝土各处的温度和应力的并行信息。移动代理在无线传感器网络中的应用可以提高异构系统之间的协作、协调和信息融合,有效减少冗余数据的传输和节点功耗。该系统安装方便、可靠,可对结构和设计进行详细分析,并可进行现场试验。实验结果表明,该系统能够实现大体积混凝土结构温度和应力的实时在线损伤识别。
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引用次数: 1
Target tracking of binary wireless sensor networks in the domain of medicine and healthcare 二值无线传感器网络在医疗卫生领域的目标跟踪
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2015-03-01 DOI: 10.1504/IJSNET.2015.068183
Su Ling-dong, Zhai Ming-yue, Mao Qi-lin
In the domain of medicine and healthcare M&HC, wireless sensor networks WSNs play a more and more important role. Under some special situations, the object of the WSN is moving leading to the problems of target tracking. Since real-time and communication amount is crucial for the WSN target tracking, the performance of target tracking in the WSN is critically depended on real-time and communication amount reduction. This paper presents a target tracking method based on distributed adaptive particle filtering in binary WSN. On the basis of dynamic clustering, the adaptive particle filter receives the observations from children nodes and formulates the local estimate with the cluster head as the processing centre. Simulation results show that the method can effectively improve the real-time tracking and reduce communication amount.
在医药卫生领域,无线传感器网络wsn发挥着越来越重要的作用。在一些特殊情况下,无线传感器网络的目标是运动的,导致目标跟踪问题。由于实时性和通信量对WSN目标跟踪至关重要,因此WSN中目标跟踪的性能关键取决于实时性和通信量的降低。提出了一种基于分布式自适应粒子滤波的二值WSN目标跟踪方法。在动态聚类的基础上,自适应粒子滤波接收子节点的观测值,并以簇头为处理中心进行局部估计。仿真结果表明,该方法能有效提高跟踪实时性,减少通信量。
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引用次数: 3
Modelling the HAP swing impact on HAPS communication performance of wireless link 模拟HAP摆动对无线链路HAPS通信性能的影响
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2015-03-01 DOI: 10.1504/IJSNET.2015.068182
Guan Mingxiang, Wang Le
The swing state of high-altitude platform HAP may critically impact the communication links of HAP stations HAPS. Current studies have significant limitations and, therefore, do not accurately reflect the actual situation. This paper considers the impact platform swing has on wireless links through modelling. A wireless link model reflecting the swing state of HAP is proposed, and the problems associated with HAPs' instability are resolved. Furthermore, in this study issues concerning inefficient and poor communication quality, caused by significant random validation in receiving and transmitting signal in case of platform swing, are also solved. Finally, the validity of the proposed model is confirmed through numerical analysis and simulation.
高空平台HAP的摇摆状态会严重影响HAP站的通信链路。目前的研究有很大的局限性,因此不能准确地反映实际情况。本文通过建模考虑了平台摆动对无线链路的影响。提出了一种反映HAP摆动状态的无线链路模型,解决了HAP不稳定的问题。此外,本研究还解决了在平台摇摆情况下,由于接收和发射信号存在显著的随机验证而导致的通信效率低下和通信质量差的问题。最后,通过数值分析和仿真验证了所提模型的有效性。
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引用次数: 2
Research of privacy-preserving data aggregation algorithm for wireless sensor network 无线传感器网络隐私保护数据聚合算法研究
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2014-11-01 DOI: 10.1504/IJSNET.2014.065783
Yang Lei, Wu Jue, Liu Feng, Peng Lingxi
With the development of wireless sensor networks (WSNs), many applications require for the privacy preserving. Providing an efficient privacy-preserving data aggregation in WSNs is becoming more and more important. The secure data aggregation in WSNs has been studied in recent years, but most of the algorithms are suffering from the high computation overhead and high communication overhead, and some of the algorithms do not supply the data integrity checking. To resolve these problems, a modified private-preserving data aggregation based on complex number algorithm for WSN is proposed in this paper. An efficient key distribution scheme is used in the algorithm to improve the security of the key. The complex number is used in the algorithm to protect the privacy and check the data integrity. According to the analysis in the paper, the algorithm is efficient in terms of communication, computation and integrity checking.
随着无线传感器网络(WSNs)的发展,许多应用对隐私保护提出了要求。在无线传感器网络中提供有效的隐私保护数据聚合变得越来越重要。近年来,人们对无线传感器网络中的安全数据聚合进行了研究,但大多数算法存在计算量大、通信开销大、部分算法不提供数据完整性校验等问题。为了解决这些问题,本文提出了一种改进的基于复数的WSN保私数据聚合算法。该算法采用了一种高效的密钥分发方案,提高了密钥的安全性。该算法使用复数来保护隐私和检查数据的完整性。通过分析,该算法在通信、计算和完整性校验方面都是高效的。
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引用次数: 2
A self-adaptive distance correction localisation algorithm based on RSSI-LQI for WSNs 基于RSSI-LQI的无线传感器网络自适应距离校正定位算法
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2014-11-01 DOI: 10.1504/IJSNET.2014.065875
Huang Yuanliang, Huang Wei
For the problem of wireless location error caused by the effects of environmental factors on received signal strength indication (RSSI) and link quality indicator (LQI), this paper put forward a new self-adaptive distance correction algorithm, which adopted Gaussian model to sift RSSI and LQI. Besides, a direction correction factor and a distance threshold were defined in the improved trilateration localisation algorithm and the improved distance difference correction localisation algorithm. This algorithm with the advantages of short locating time, low hardware spending and little power consumption can effectively improve the location accuracy. The simulation results proved that its location precision was more than 97.3%, which is quite practical for wireless location.
针对环境因素对接收信号强度指示(RSSI)和链路质量指示(LQI)的影响导致的无线定位误差问题,本文提出了一种新的自适应距离校正算法,该算法采用高斯模型对RSSI和LQI进行筛选。此外,在改进的三边定位算法和改进的距离差校正定位算法中定义了方向校正因子和距离阈值。该算法具有定位时间短、硬件消耗少、功耗小等优点,可有效提高定位精度。仿真结果表明,该方法的定位精度可达97.3%以上,在无线定位中具有一定的实用性。
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引用次数: 2
A hybrid optimisation algorithm for coverage enhancement in 3D directional sensor networks 三维定向传感器网络覆盖增强的混合优化算法
IF 1.1 4区 计算机科学 Q3 Engineering Pub Date : 2013-11-01 DOI: 10.1504/IJSNET.2013.057518
Li Yupeng, Ji Peng, Ren Weidong
3D model-based coverage of directional sensor networks DSNs is one of the emerging research topics in recent decades. To further remedy the deficiency of the 2D directional sensing model that cannot accurately characterise the actual DSNs, a 3D directional sensing model is established in this paper, and the key parameters are calculated precisely that may be utilised in any algorithms. Moreover, motivated by the existing coverage-enhancing algorithm of WSNs, hybrid optimisation algorithm for area coverage enhancement HOA-ACE is also proposed that is an improvement of particle swarm optimisation PSO and conjugate gradient algorithm CGA. In the proposed hybrid optimisation algorithm HOA, we not only focus on the global searching, but also trying to reduce possibility of falling into the local optimum. Finally, simulation results are performed to demonstrate the effectiveness of the proposed algorithm. Besides, another simulation experiment results show the effect of some aspects based on our proposed model.
基于三维模型的定向传感器网络覆盖是近几十年来新兴的研究课题之一。为了进一步弥补二维方向感知模型不能准确表征实际dsn的不足,本文建立了三维方向感知模型,并精确计算了关键参数,可用于任何算法。此外,在现有无线传感器网络覆盖增强算法的基础上,提出了基于粒子群优化算法PSO和共轭梯度算法CGA的区域覆盖增强混合优化算法HOA-ACE。在提出的混合优化算法HOA中,我们既注重全局搜索,又尽量减少陷入局部最优的可能性。最后通过仿真实验验证了该算法的有效性。此外,另一个仿真实验结果显示了基于该模型的某些方面的效果。
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引用次数: 0
期刊
International Journal of Sensor Networks
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