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Showing 1-25 of 4,982 resultsfor "Index Terms":Percentage Of Nodes
"Index Terms":Percentage Of Nodes
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Extended Stable Election Protocol (SEP) for three-level hierarchical clustered heterogeneous WSN
IET Conference on Wireless Sensor Systems (WSS 2012)
Year: 2012 | Conference Paper |
Cited by: Papers (16)
In heterogeneous sensor networks, some nodes become cluster heads which aggregate the data of their cluster nodes and transmit it to the sink. Here, the authors present an extended Stable Election Protocol (SEP) algorithm for cluster head selection in a hierarchically clustered heterogeneous network to reorganize the network topology efficiently. The presented algorithm considers the sensor nodes ...Show More
Optimal anchor guiding algorithms for maximal node localization in mobile sensor networks
2013 IEEE Conference on Wireless Sensor (ICWISE)
Year: 2013 | Conference Paper |
Cited by: Papers (3)
Localization of mobile nodes is a challenging problem especially when both anchor and node are mobile. In this paper, algorithms for optimal anchor guiding, to localize maximum number of nodes, are proposed. The algorithms are based on the principle of jointly maximizing a grid benefit criterion and the number of nodes localized. The advantage of these algorithms is that, that both the anchors and...Show More
Ensuring undisrupted communication in the presence of dumb nodes in WSN
2016 International Conference on Advanced Communication Control and Computing Technologies (ICACCCT)
Year: 2016 | Conference Paper |
Wireless sensor networks are a large number of sensor nodes that can be deployed to monitor un-attended environment. These sensor networks are responsible to sense, computation and transmission. In certain conditions sensor node cannot able to communicate with its neighbor nodes and may turn to `dumb node'. In such situations it can sense its environment but is unable to communicate. Due to this t...Show More
An approach towards identification of malicious nodes in mobile ad hoc networks
2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
Mobile nodes depend upon mutual operation to perform data transmission in an ad hoc network. In absence of central controlling authority, the authenticity of individual nodes plays an important role. Nodes depend upon a mutual understanding for deciding the malfunctioning of any member. The reliability of this decision is vital for forwarding data within the network. Before applying any standard r...Show More
A Cooperative Watchdog System to Detect Misbehavior Nodes in Vehicular Delay-Tolerant Networks
João A. F. F. Dias;Joel J. P. C. Rodrigues;Feng Xia;Constandinos X. Mavromoustakis
In vehicular delay-tolerant networks (VDTNs), an end-to-end relay path between bundle source and destination nodes may not be available. To accomplish such goal, VDTNs rely on nodes cooperation. Thus, in order to maintain network efficiency, it is very important to ensure that all network nodes follow the protocol. This is not an easy task since nodes may diverge from the protocol due to a selfish...Show More
Localization of Nodes in Underwater Wireless Sensor Networks
2019 4th International Conference on Recent Trends on Electronics, Information, Communication & Technology (RTEICT)
Year: 2019 | Conference Paper |
Cited by: Papers (7)
Localization refers to the estimated position of each sensor node within a network. It's necessary since underwater sensor nodes depend on this information for reliable communication. The main challenge over here would be that the environment underwater is naturally quite different from land, posing uncertainty in sound speed variations and hence more noise in the channel. Here, the Kalman filter ...Show More
Comparison of optimum density of sensor nodes required for desired coverage in a realistic scenario using sensing models
2016 International Conference on Computational Techniques in Information and Communication Technologies (ICCTICT)
Year: 2016 | Conference Paper |
Cited by: Papers (3)
One of the critical quality of service (QoS) parameter that needs consideration in any wireless sensor network (WSN) design is network area coverage which signifies the efficiency with which the network area can be covered by the deployed network. Node sensing models are used to predict the coverage fraction percentage for a given number of sensor nodes in a predetermined network area. Alternative...Show More
Analysis and Countermeasure of Selfish Node Problem in Mobile Ad Hoc Network
2006 10th International Conference on Computer Supported Cooperative Work in Design
Year: 2006 | Conference Paper |
Cited by: Papers (16)
MANET (mobile ad hoc network) is a collection of wireless mobile nodes forming a temporary communication network without the aid of any established infrastructure. Because mobile nodes are typically constrained by power and computing resources, a selfish node may not be willing to use its computing and energy resources to forward packets that are not directly beneficial to it, even though it expec...Show More
A hybrid system to stimulate selfish nodes to cooperate in vehicular Delay-Tolerant Networks
João A. F. F. Dias;Joel J. P. C. Rodrigues;Neeraj Kumar;Constandinos X. Mavromoustakis
2015 IEEE International Conference on Communications (ICC)
Year: 2015 | Conference Paper |
Cited by: Papers (13)
In the last decade vehicular communications have been the focus of research, not only by the related scientific community but also by the automotive industry. Several architectures were proposed in order to overcome some issues found in such networks. Vehicular Delay-Tolerant Networks (VDTNs) try to improve vehicular communications by deploying the Delay-Tolerant Networks (DTNs) store-carry-and-fo...Show More
Efficient localization via Middle-node cooperation in wireless sensor networks
International Conference on Electrical, Control and Computer Engineering 2011 (InECCE)
Year: 2011 | Conference Paper |
Cited by: Papers (10)
Localization is one of the key issues in the wireless sensors network. Regarding the mobility of the nodes in some of the applications, it is necessary to have a localization algorithm that can support the mobility of nodes. Most of the approaches that have been presented so far have required instruments for the measurement of the distance and the angle or they have needed many beacon nodes for lo...Show More
Security in wireless sensor networks is critical due to its way of open communication. In this paper we have considered suite of attacks — packet modification, packet dropping, sybil attack, packet misrouting, and bad mouthing attack, and provided a solution to detect attacks. In literature, many schemes have been proposed to mitigate such attacks but very few detect the malicious nodes effectivel...Show More
CPMTS: Catching packet modifiers with trust support in wireless sensor networks
2015 IEEE International WIE Conference on Electrical and Computer Engineering (WIECON-ECE)
Year: 2015 | Conference Paper |
Cited by: Papers (2)
Security in wireless sensor networks is critical due to its way of open communication. Packet modification is a common attack in wireless sensor networks. In literature, many schemes have been proposed to mitigate such an attack but very few detect the malicious nodes effectively. In the proposed approach, each node chooses the parent node for forwarding the packet towards sink. Each node adds its...Show More
LEACH-HPR: An energy efficient routing algorithm for Heterogeneous WSN
2010 IEEE International Conference on Intelligent Computing and Intelligent Systems
Year: 2010 | Conference Paper |
Cited by: Papers (18)
In wireless sensor network, there are many hurdles takes place in providing quality of service routing to a desired level. The majority of routing protocols in wireless sensor networks concentrates on energy efficiency as a prime factor. Developing an energy-efficient routing protocol has a significant impact on the overall lifetime and stability of the sensor network. In this paper, we have consi...Show More
PCAD: Power control attack detection in wireless sensor networks
2016 IEEE International Conference on Advanced Networks and Telecommunications Systems (ANTS)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
Security in wireless sensor networks is critical due to its way of open communication. In this paper we have provided a solution to detect malicious nodes which perform radio transmission power control attack and sinkhole attack in wireless sensor networks. In the proposed approach, data transmission is divided into multiple rounds of equal time duration. Each node chooses the parent node in the b...Show More
Identification of Critical Nodes Based on Overall Network Performance in Ad Hoc Network
2022 IEEE 33rd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)
Year: 2022 | Conference Paper |
With the characteristics of self-organization and no network infrastructure, Ad Hoc network is widely used in civil and military communication. Critical node identification is an important factor in Ad Hoc network security. To evaluate the importance of nodes, we propose a critical node identification algorithm based on cascading failure from the overall performance of the network, which is called...Show More
Exploiting Heterogeneity for Improving Forwarding Performance in Mobile Opportunistic Networks: An Analytic Approach
Heterogeneity arises in a wide range of scenarios in mobile opportunistic networks and is one of the key factors that govern the performance of forwarding algorithms. While the heterogeneity has been empirically investigated and exploited in the design of new forwarding algorithms, it has been typically ignored or marginalized when it comes to rigorous performance analysis of such algorithms. In t...Show More
Maximal Assortative Matching and Maximal Dissortative Matching for Complex Network Graphs
Matching of vertices in social networks and other complex networks needs to take into consideration the weight of the vertices (like degree) that are matched; arbitrary matching of the vertices with simply the objective of maximizing the number of vertices need not be of any practical benefit. Assortativity of the edges in a network is a measure of the similarity of the end vertices of the edges w...Show More
A Gradient Reconfiguration Mechanism of Directed Diffusion in Wireless Sensor Networks
2008 Fourth International Conference on Semantics, Knowledge and Grid
Year: 2008 | Conference Paper |
Cited by: Papers (1)
In Wireless Sensor networks (WSNs), most existing routing protocols do not consider a node mobility problem, because nodes in sensor network are generally assumed to be static.The network may get partitioned, due to the mobility of some nodes will cause other nodes to lose their connection with the network. Network partitioning poses significant challenges to the provisioning of continuous data st...Show More
Effect of Relay Nodes on End-to-End Delay in Multi-hop Wireless Ad-hoc Networks
2013 27th International Conference on Advanced Information Networking and Applications Workshops
Year: 2013 | Conference Paper |
Cited by: Papers (5)
Channel access delay in a wireless adhoc network is the major source of delay while considering the total end to-end delay. Channel access delays experienced by different relay nodes are different in multi-hop adhoc network scenario. These delays in multi-hop network are analysed in the literature assuming channel access delays are independent and are of same magnitude at all the nodes in the netw...Show More
Link failure impact on the lifetime of WSN
2017 International Conference on Modern Power Systems (MPS)
Year: 2017 | Conference Paper |
Cited by: Papers (2)
Wireless Sensor Networks are used widely for remote environmental monitoring, target tracking or for recording weather conditions change applied at diverse applications. They have become integral part of our lives, by giving reliable data gathering and even that the sensor node is small, lightweight and portable. As the power for each sensor node is supplied from a battery, the lifetime and residu...Show More
A Novel Virtual Anchor Node-Based Localization Algorithm for Wireless Sensor Networks
Sixth International Conference on Networking (ICN'07)
Year: 2007 | Conference Paper |
The accuracy of localization is a significant criterion to evaluate the practical utility of localization algorithm in wireless sensor networks. In mostly localization algorithms, one of the main methods to improve localization accuracy is to increase the number of anchor nodes. But the number of anchor nodes is always limited because of the hardware restrict, such as cost, energy consumption and ...Show More
A Multidimensional Trust Model for Vehicular Ad-Hoc Networks
2021 IEEE 46th Conference on Local Computer Networks (LCN)
Year: 2021 | Conference Paper |
Cited by: Papers (4)
In this paper, we propose a multidimensional trust model for vehicular networks. Our model evaluates the trustworthiness of each vehicle using two main modes: 1) Direct Trust Computation DTC related to a direct connection between source and target nodes, 2) Indirect Trust Computation ITC related to indirectly communication between source and target nodes. The principal characteristics of this mode...Show More
Effect of Number of Active Nodes and Inter-node Distance on the Performance of Wireless Sensor Networks
2014 Fourth International Conference on Communication Systems and Network Technologies
Year: 2014 | Conference Paper |
Cited by: Papers (2)
Wireless Sensor Networks (WSNs) are used to monitor different ambient conditions. These networks can be used for constant environment and habitat monitoring applications such as sensing of humidity, temperature, soil moisture and fire. All these applications have certain desired network performance and lifetime requirements. In this paper, we present our findings about variation in network perform...Show More
Entropy Weighted-Based (EWB) I-LEACH Protocol for Energy-Efficient IoT Applications
2020 IEEE Global Conference on Artificial Intelligence and Internet of Things (GCAIoT)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
The Internet of Things (IoT) is one of the emerging applications in the Wireless Sensor Networks (WSNs). The major concern in WSN is the limited battery power, which can be overcome by selecting the effective cluster head (CH) for the transmission of data in the network. In this paper, an entropy weighted-based I-LEACH protocol is developed for the selection of the CH. The proposed entropy weighte...Show More
Detection and Isolation of Malicious Nodes in Vehicular Networks Using Trust Aggregators
Atul Rautray;Josh Maitra;Avnish Aryan Jha;Dheeraj Sudarshan;Rajasekar Mohan
2023 2nd International Conference on Vision Towards Emerging Trends in Communication and Networking Technologies (ViTECoN)
Year: 2023 | Conference Paper |
Vehicular networks have grown significantly in popularity in recent years as a result of their ability to increase traffic efficiency, increase road safety, and serve as a platform for numerous cutting-edge applications. They present themselves as vulnerable targets for malicious users in the network. Malicious nodes are entities in vehicular networks that are intentionally or unintentionally ‘mis...Show More
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