Filters








3,321 Hits in 5.8 sec

Minimum latency joint scheduling and routing in wireless sensor networks

Gang Lu, Bhaskar Krishnamachari
2007 Ad hoc networks  
In this paper, we address the important problem of minimizing average communication latency for the active flows while providing energy-efficiency in wireless sensor networks.  ...  We further extend the algorithm to handle dynamic traffic changes and topology changes in wireless sensor networks.  ...  Sichitiu [10] proposes a cross-layer scheduling for power efficiency in wireless sensor networks. In order to conserve energy, sensor nodes are turned off.  ... 
doi:10.1016/j.adhoc.2007.03.002 fatcat:hmxb35xkibadlcl3x7bx7vhpu4

Maximum Data Collection Rate Routing Protocol Based on Topology Control for Rechargeable Wireless Sensor Networks

Haifeng Lin, Di Bai, Demin Gao, Yunfei Liu
2016 Sensors  
In Rechargeable Wireless Sensor Networks (R-WSNs), in order to achieve the maximum data collection rate it is critical that sensors operate in very low duty cycles because of the sporadic availability  ...  In addition, a sensor cannot always conserve energy if a network is able to harvest excessive energy from the environment due to its limited storage capacity.  ...  wireless sensor network.  ... 
doi:10.3390/s16081201 pmid:27483282 pmcid:PMC5017367 fatcat:en3427xvqjhslehazlgzs2zuza

Inherent Security of Routing Protocols in Ad-Hoc and Sensor Networks

Tanya Roosta, Sameer Pai, Phoebus Chen, Shankar Sastry, Stephen Wicker
2007 IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference  
Many of the routing protocols that have been designed for wireless ad-hoc networks focus on energy-efficiency and guaranteeing high throughput in a non-adversarial setting.  ...  Over the past few years, attacks on the routing protocols have been studied and a number of secure routing protocols have been designed for wireless sensor networks.  ...  In each scenario, first SSNRS generates a predefined wireless channel and sensor network topology.  ... 
doi:10.1109/glocom.2007.245 dblp:conf/globecom/RoostaPCSW07 fatcat:xhm6mhy5mjb2houcpdi5itnpfi

A Survey on Topology Control in Wireless Sensor Networks: Taxonomy, Comparative Study, and Open Issues

Mo Li, Zhenjiang Li, Athanasios V. Vasilakos
2013 Proceedings of the IEEE  
Topology control techniques for wireless sensor networks are systematically classified into two categories, namely, network coverage and network connectivity.  ...  ABSTRACT | The wireless sensor network (WSN) technology spawns a surge of unforeseen applications. The diversity of these emerging applications represents the great success of this technology.  ...  Li et al.: A Survey on Topology Control in Wireless Sensor Networks recent measurement study Fig. 3 . 3 Weak coverage versus strong coverage.  ... 
doi:10.1109/jproc.2013.2257631 fatcat:atjp6ameunagjcilmckinkp77y

Topology design for on-demand dual-path routing in wireless networks

Marco Carvalho, Alexey Sorokin, Vladimir Boginski, Balabhaskar Balasundaram
2012 Optimization Letters  
In this work we investigate optimization models for topology designs that enable end-toend dual-path support on a distributed wireless sensor network.  ...  Keywords Network Design · Topology Control · Wireless Sensor Networks · Multi-path Transport and Multi-path Routing Introduction Wireless sensor networks (WSN) are key technology enablers for various systems  ...  Fig. 1 1 Conceptual view of a wireless sensor network and an example of information flow. Fig. 2 2 Multi-path routing in wireless sensor networks. Fig. 3 3 Symmetric network topology.  ... 
doi:10.1007/s11590-012-0453-0 fatcat:d4seqcgzevgsnkw3n6zwj4wjh4

Localized Communication and Topology Protocols for Ad Hoc Networks: A Preface to the Special Section

S. Olariu, D. Simplot-Ryl, I. Stojmenovic
2006 IEEE Transactions on Parallel and Distributed Systems  
Topology control problems are further subdivided into neighbor discovery and network organization problems.  ...  The concentration was on the network layer problems which can be divided into two groups: data communication and topology control problems.  ...  In "Localized Fault-Tolerant Topology Control in Wireless Ad Hoc Networks," Ning Li and Jennifer C. Hou discuss the design of energy efficient and fault tolerant topologies for ad hoc networks.  ... 
doi:10.1109/tpds.2006.50 fatcat:bh3iqmqijfhcjen57zftlwf3se

Electromagnetism metaheuristic algorithm for solving the strong minimum energy topology problem

Aleksandar Kartelj
2013 Yugoslav Journal of Operations Research  
In this paper electromagnetism (EM) metaheuristic is used for solving the NPhard strong minimum energy topology problem (SMETP).  ...  The solutions are obtained in a reasonable running time even for the problem instances of higher dimensions.  ...  CONCLUSIONS In this paper electromagnetism metaheuristic algorithm for solving the problem of strong minimum energy topology is presented.  ... 
doi:10.2298/yjor110608018k fatcat:dofmnyeu3bhpdh7ubcv545zdba

Efficient network lifetime for barrier coverage in heterogeneous sensor network

C N Abhilash, S H Manjula, K R Venugopal, L M Patnaik
2013 2013 Annual IEEE India Conference (INDICON)  
This problem affects the random deployment in sensor network to conserve energy and therefore has to be rectified, confined and approved.  ...  Wireless sensor networks have their applications deployed in all the fields of area of research beyond the visualization of smart sensors.  ...  It has I R = 2 * R * rg + πr 2 g/2 (1) In the k-sensor recognition model, an unknown target has to be sensed with minimum of k sensors for intrusion recognition in a sensor network.  ... 
doi:10.1109/indcon.2013.6726087 fatcat:u7lgmnavlvbj3l7wjol7lgjajy

ResilientWireless Sensor Networks Using Topology Control: A Review

Yuanjiang Huang, José-Fernán Martínez, Juana Sendra, Lourdes López
2015 Sensors  
Wireless sensor networks (WSNs) may be deployed in failure-prone environments, and WSNs nodes easily fail due to unreliable wireless connections, malicious attacks and resource-constrained features.  ...  Afterwards, this paper reviews the theoretical results and representative topology control approaches to guarantee WSNs to be k − connected in three different network deployment stages.  ...  Acknowledgments This work is supported by the European project "Design, Monitoring and Operation of Adaptive Networked Embedded Systems" (DEMANES) (project code ARTEMIS-JU:295372) and "Ministerio de Industria  ... 
doi:10.3390/s151024735 pmid:26404272 pmcid:PMC4634502 fatcat:epnq3t5g3ja4ddhqcjjnvp4x3a

A fair and energy-efficient topology control protocol for wireless sensor networks

Rami Mochaourab, Waltenegus Dargie
2008 Proceedings of the 2nd ACM international conference on Context-awareness for self-managing systems - CASEMANS '08  
In energy constrained wireless sensor networks, energy conservation techniques are to be applied in order to maximize the system lifetime.  ...  We tackle the problem of increasing network lifetime through the topology control assignment.  ...  Taking into account the overall power consumption in the network, we produce an energy-efficient topology that should prolong the system lifetime in wireless sensor networks.  ... 
doi:10.1145/1367943.1367944 dblp:conf/pervasive/MochaourabD08 fatcat:ddzi2x6ekjd3zpkiz5ytk3dvki

TWO PHASE CLUSTERING METHOD FOR LEACH PROTOCOL FOR EFFECTIVE CLUSTER HEAD SELECTION

Rathi
2014 Journal of Computer Science  
Obviously well-organized selection of cluster head is a significant problem in the performance of the wireless sensor network.  ...  A Wireless Sensor Networks (WSN) comprise of a huge quantity of clusters of sensor nodes that can inter communicate with all nodes and with the base station through a wireless link.  ...  nodes in wireless sensor network.  ... 
doi:10.3844/jcssp.2014.366.375 fatcat:er2fmosqcvdhplq32xkpvndgqe

Topology control in wireless ad hoc and sensor networks

Paolo Santi
2005 ACM Computing Surveys  
In this article, we state several problems related to topology control in wireless ad hoc and sensor networks, and we survey state-of-the-art solutions which have been proposed to tackle them.  ...  Topology Control (TC) is one of the most important techniques used in wireless ad hoc and sensor networks to reduce energy consumption (which is essential to extend the network operational time) and radio  ...  More recently, some authors have considered the problem of building a k-connected network topology (with k > 1), that is, a topology in which there exists at least k distinct paths between any two network  ... 
doi:10.1145/1089733.1089736 fatcat:ik3wzhndojajlovs4dojj32oee

Energy-Efficient Pulse-Coupled Synchronization Strategy Design for Wireless Sensor Networks Through Reduced Idle Listening

Yongqiang Wang, Felipe Nunez, Francis J. Doyle
2012 IEEE Transactions on Signal Processing  
Synchronization is crucial to wireless sensor networks due to their decentralized structure. We propose an energy-efficient pulse-coupled synchronization strategy to achieve this goal.  ...  The topology control approach is totally decentralized and needs no information exchange among sensors, and it is applicable to dynamic network topologies as well.  ...  Acknowledgments The work was supported in part by U.S.  ... 
doi:10.1109/tsp.2012.2205685 pmid:24307831 pmcid:PMC3845812 fatcat:gmvcppgehndkhf44fgk5ekjzry

Hole Detection and Healing in Hybrid Wireless Sensor Network

Samidha N. Kalwaghe, Atul V. Dusane
2016 APTIKOM Journal on Computer Science and Information Technologies  
This project seeks to address the problem of hole detection and healing in mobile WSNs by deploying mobile sensors in the network, which is called hybrid sensor network.  ...  The emerging technology of wireless sensor network (WSN) is expected to provide a broad range of applications, such as battlefield surveillance, environmental monitoring, smart spaces and so on.  ...  Introduction Wireless Sensor Network (WSN) is formed from the tiny sensors.  ... 
doi:10.11591/aptikom.j.csit.105 fatcat:xbujofci45d5fox4jr3ap4znsm

Hole Detection and Healing in Hybrid Wireless Sensor Network

Samidha N Kalwaghe, Atul Vasudev Dusane
2016 APTIKOM Journal on Computer Science and Information Technologies  
This project seeks to address the problem of hole detection and healing in mobile WSNs by deploying mobile sensors in the network, which is called hybrid sensor network.  ...  The emerging technology of wireless sensor network (WSN) is expected to provide a broad range of applications, such as battlefield surveillance, environmental monitoring, smart spaces and so on.  ...  Introduction Wireless Sensor Network (WSN) is formed from the tiny sensors.  ... 
doi:10.34306/csit.v1i2.43 fatcat:bxff3tl5zva4ffswilp7a3wqvu
« Previous Showing results 1 — 15 out of 3,321 results