Filters








128,906 Hits in 3.7 sec

Fault Tolerant, Energy Saving Method for Reliable Information Propagation in Sensor Network

P. S. Patheja, Akhilesh Waoo, Parul Shrivastava
2012 International Journal of Smart Sensor and Adhoc Network.  
In this paper we proposed a fault tolerant method for fast, robust and guaranteed prorogation in sensor networks.  ...  Due to inherent nature of these networks a sensor node may fail and hence the route may also fail.  ...  In location-based routing, sensor nodes' positions are exploited to route data in the network.  ... 
doi:10.47893/ijssan.2012.1133 fatcat:rnk2ajk2gnanxdm3exmlw2yz6m

A Method to Detect Data Stream Changes in the Wireless Sensor Network using the Gossiping Protocol

Vahid Fazeli Asl, Babak Vaziri, Reza Ravanmehr
2016 Indian Journal of Science and Technology  
Results: The purpose of this study is to optimize the propagation time of environmental changes among sensors, network loading concerning data volume transmitted between the sensors, performance efficiency  ...  Methods: In this paper, first, sensor networks, their features and applications in various fields have been discussed. Then, data change algorithms and their properties are discussed.  ...  Advances in sensor technology increases the stream of large volumes of sensor data. In wireless sensor networks, data streams are often produced from scattered nodes in different locations.  ... 
doi:10.17485/ijst/2016/v9i27/97474 fatcat:pz6cle3jbjhipk5peajq4axcge

NQAR: Network Quality Aware Routing in Error-Prone Wireless Sensor Networks

Jaewon Choi, Baek-Young Choi, Sejun Song, Kwang-Hui Lee
2010 EURASIP Journal on Wireless Communications and Networking  
NQAR uses a data centric approach to estimate a single-hop delay based on processing time, propagation delay, packet loss rate, number of backoffs, and the retransmission timeout between two neighboring  ...  We propose a network quality aware routing (NQAR) mechanism to provide an enabling method of the delay-sensitive data delivery over error-prone wireless sensor networks.  ...  Acknowledgments This work was supported in part by the US National Science Foundation under Grant no. 0729197.  ... 
doi:10.1155/2010/409724 fatcat:36c3jz2avvdx3o6xjdpfid4wam

Epidemic Models, Algorithms, and Protocols in Wireless Sensor and Ad Hoc Networks [chapter]

Pradip De, Sajal K. Das
2008 Algorithms and Protocols for Wireless Sensor Networks  
Section 6 looks into some security aspects and explains the propagation process modeling of malware in sensor networks. Finally, we conclude the chapter in Section 7.  ...  In this chapter, we address the modeling techniques, algorithms and protocols proposed in wireless sensor and ad-hoc networks that are primarily based on Epidemic Theoretic concepts and paradigms.  ...  Infuse For the reliable dissemination of data in sensor networks, the authors of Infuse [32] proposed a TDMA based data dissemination protocol for sensor networks.  ... 
doi:10.1002/9780470396360.ch3 fatcat:tb2qln4ijzfynppmxzk4vdfjpu

r e s t r Efficient Clock Synchronization using Energy Based Proportional Integral and Least Common Multiple Protocol in Wireless Sensor Networks

M. Muthumalathi, Department of Computer Science, Bharathiar University, Coimbatore, India, P. B. Pankajavalli, N. Priya, Department of Computer Science, Bharathiar University, Coimbatore, India, Department of Computer Science, Bharathiar University, Coimbatore, India
2019 Journal of Engineering Science and Technology Review  
WLCM protocol performs transmission based on the weight of the packet in sensor networks.  ...  Clustering technique helps to design the sensor network architectures and broadcast the sensor nodes.  ...  The sensor nodes propagation delay calculations are based on equation 6. Send the data to the base station Stop Start WLCM protocols.  ... 
doi:10.25103/jestr.124.18 fatcat:uk4uvk7tgvghnn7vqkwpd7psta

A Three-level Propagation Method of Routing Packets Specialized for Underwater Wireless Sensor Networks

Mojtaba Jamshidi, Abdolreza Andalib, Lida Naseri
2016 International Journal of Computer Applications  
Comparison results indicated that the proposed protocol outperforms the base DBR algorithm Keywords Underwater Wireless sensor networks (UWSNs), Routing, Three-level propagation Model.  ...  Nowadays, underwater sensor networks have many applications, in military and exploration domains, early detection of natural phenomena such as earthquakes and tsunamis, and tracking marine creatures.  ...  INTRODUCTION In addition to providing high delivery rate and low energy consumption, routing algorithms used in the underwater sensor networks should ensure quick arrival of data to their destination.  ... 
doi:10.5120/ijca2016911186 fatcat:kwonkaotz5bdfn3cw6nykdbmne

A Charging-Aware Multi-Mode Routing Protocol for Data Collection in Wireless Rechargeable Sensor Networks

Shih-Chang Huang
2019 Sensors  
This paper proposes a charging-aware multi-mode routing protocol (CMRP) to collect data in the wireless rechargeable sensor networks.  ...  In addition, CMRP considers both reducing energy consumption and shortening the propagation delay at the same time. The life-delay rate of the CMRP is close to the optimal results.  ...  The propagation delay is explicitly proportional to the number of sensors in the network. At most two sensors can propagate data simultaneously.  ... 
doi:10.3390/s19153338 fatcat:nhou4hjaa5hfjnqcuvl4g6gqxq

Target Trajectory Querying in Wireless Sensor Networks

J. Zheng, W. Jia, G. Wang, J. Wu
2010 2010 IEEE International Conference on Communications  
In this paper, we focus on the query problem of trajectory tracking of moving targets in a wireless sensor network.  ...  A random queries scheme, which is based on opportunistic target signature propagation, sends query messages in random chosen directions to hit a sensor node that contains the given target signature near  ...  Tracking based on dynamic clustering mechanisms can exploit in-network processing to improve the tracking precision, reduce the missing rate, and tracking data [8] .  ... 
doi:10.1109/icc.2010.5502630 dblp:conf/icc/ZhengJWW10 fatcat:32pfvtta6rfk5mgx67gr7f32oa

Average Room Occupancy Rate and its relation with Received Signal Strength Indicator in Wireless Sensors Networks

Daniel B. Barros, Alexandre Mota, Lia Mota
2015 SET EXPO PROCEEDINGS  
Figure 1 shows a wireless sensors network with point-to-point topology, in which each node communicates directly with the base.  ...  sensors network.  ... 
doi:10.18580/setep.2015.1.4 fatcat:4xl7s2bbz5cc7bme4f5n4tq4ou

A Survey on Underwater Acoustic Sensor Networks: Perspectives on Protocol Design for Signaling, MAC and Routing

Mohammad Sharif-Yazd, Mohammad Reza Khosravi, Mohammad Kazem Moghimi
2017 Journal of Computer and Communications  
Each node of these networks as a sensor needs to exchange data with other nodes; however, complexity of the acoustic channel makes some challenges in practice, especially when we are designing the network  ...  Underwater acoustic sensor networks (UASNs) are often used for environmental and industrial sensing in undersea/ocean space, therefore, these networks are also named underwater wireless sensor networks  ...  in low bandwidth Low data rate (Hard detection) Non-fixed delay Non-fixed speed of carrier wave Low data rate (Hard detection) Doppler shift Non-fixed frequency of carrier wave Low data rate  ... 
doi:10.4236/jcc.2017.55002 fatcat:2h4uutcg3bdmncexdxjsizfboq

A Kind of Space-Time Event Detection Approach for Wireless Sensor Network

Jing ZHOU
2013 Sensors & Transducers  
Simulation results show that the presented algorithm is better than the algorithm in performance based on Markov random field and dynamic Bayesian network on detection accuracy, recall rate, and F1 score  ...  Space-time event detection is one of major tasks in wireless sensor network. The event always represents the complex space-time relationship.  ...  Therefore, based on space-time event model, this article proposes a dynamic conditional random field (DCRF) and Belief Propagation (BP) space-time event detection method in wireless sensor network, and  ... 
doaj:2658bc1d0047411d911dd15f605abd9c fatcat:s6u63kvfbbb2dlk6szxcyxvszi

Underwater Wireless Sensor Networks: A Review of Recent Issues and Challenges

Khalid Mahmood Awan, Peer Azmat Shah, Khalid Iqbal, Saira Gillani, Waqas Ahmad, Yunyoung Nam
2019 Wireless Communications and Mobile Computing  
Underwater Wireless Sensor Networks (UWSNs) contain several components such as vehicles and sensors that are deployed in a specific acoustic area to perform collaborative monitoring and data collection  ...  These networks are used interactively between different nodes and ground-based stations.  ...  Underwater sensor networks are characterized as containing long propagation delay and low data rate.  ... 
doi:10.1155/2019/6470359 fatcat:zwfjxuvoizaeppr2zhdelpxxmm

Self-propagating mal-packets in wireless sensor networks: Dynamics and defense implications

Bo Sun, Guanhua Yan, Yang Xiao, T. Andrew Yang
2009 Ad hoc networks  
In this paper, we study the propagation of mal-packets in 802.15.4 based wireless sensor networks.  ...  Based on our proposed mal-packet self-propagation models, we use TOSSIM, a simulator for wireless sensor networks, to study their propagation dynamics.  ...  Gu and Noorani [15] presented attack approaches to construct specially crafted data message to facilitate mal-packet propagation in wireless sensor networks. Based on percolation theory, Zou et al.  ... 
doi:10.1016/j.adhoc.2009.04.003 fatcat:w7gofneofvdxjbrwm4nxqoeg7u

Realistic propagation effects on wireless sensor networks for landslide management

Nattakarn Shutimarrungson, Pongpisit Wuttidittachotti
2019 EURASIP Journal on Wireless Communications and Networking  
This paper presents the development of propagation models for wireless sensor networks for landslide management systems.  ...  The measurement results are shown in this paper and used to develop propagation models suitable for operation of short-range wireless sensor networks of landslide management systems.  ...  Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.  ... 
doi:10.1186/s13638-019-1412-6 fatcat:bggvu5zvonchzdsj5q65pkcqey

Development of a resilient wireless sensor network for real-time outdoor applications

Maneesha Vinodini Ramesh, Parvathy Rajan, Divya Pullarkat
2014 2014 International Symposium on Technology Management and Emerging Technologies  
Keywordswireless sensor networks, shadowing, fading, link quality, received signal strength, rate of packet loss, path loss, fault tolerant, propagation, link variations, packet reception rate, signal  ...  In this paper, we analyze the impact of propagation factors such as shadowing, fading, foliage and rainfall on the link quality, received signal strength and packet reception rate.  ...  wireless sensor network Packet loss with increase in shadowing mean Packet loss with increase in distance through foliage in a multi hop wireless sensor network Packet loss with increase in rainfall rate  ... 
doi:10.1109/istmet.2014.6936476 fatcat:ooslsers5fhwrjpyqpci7c2xau
« Previous Showing results 1 — 15 out of 128,906 results