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Author: Publisher: ISBN: Category : Electrical engineering Languages : en Pages : 61
Book Description
The ability to sense and monitor a variety of environmental conditions using un-tethered sensors offers a significant change over traditional sensing systems that need to be strategically positioned and have topologies engineered. As such, recent research into wireless sensor networks has attracted great interest due to its diversity of applications, ranging in areas such as home, health, environmental and military applications. In this thesis, the evaluation of a routing protocol developed by Crossbow Technologies called XMesh, is presented. The main components of the routing protocol are described and the routing algorithm explained. Experiments were conducted to determine the connectivity ranges of motes in different transmission power settings. The relationship of mote transmission power and network connectivity is presented. An energy efficiency study looked at the means of extending the lifespan of the network. Although, packet losses during the period of a node failure were significant, the routing protocol showed that it was able to adapt and reorganize to provide reliable and stable routing in a network.
Author: Publisher: ISBN: Category : Electrical engineering Languages : en Pages : 61
Book Description
The ability to sense and monitor a variety of environmental conditions using un-tethered sensors offers a significant change over traditional sensing systems that need to be strategically positioned and have topologies engineered. As such, recent research into wireless sensor networks has attracted great interest due to its diversity of applications, ranging in areas such as home, health, environmental and military applications. In this thesis, the evaluation of a routing protocol developed by Crossbow Technologies called XMesh, is presented. The main components of the routing protocol are described and the routing algorithm explained. Experiments were conducted to determine the connectivity ranges of motes in different transmission power settings. The relationship of mote transmission power and network connectivity is presented. An energy efficiency study looked at the means of extending the lifespan of the network. Although, packet losses during the period of a node failure were significant, the routing protocol showed that it was able to adapt and reorganize to provide reliable and stable routing in a network.
Author: Polycarp Yakoi Publisher: GRIN Verlag ISBN: 3346338665 Category : Computers Languages : en Pages : 104
Book Description
Master's Thesis from the year 2018 in the subject Engineering - Computer Engineering, grade: 3.71, Cyprus International University, language: English, abstract: In this thesis, three Wireless Sensor Networks – Ad-hoc On-Demand Distance Vector, Dynamic Source routing protocol and Optimized Link State routing protocol have been simulated and compared in typical IoT scenarios. Their performance was evaluated using three performance metrics and then they were compared; the performance metrics are Routing Overhead, Average End to End Delay and Throughput. Different number of nodes with different percentages of mobile nodes were analyzed. Specifically, number of nodes analyzed were 20, 40, 60 and 70 with the number of mobile nodes 10, 15 and 20 using OPNET while with NS 3 20, 60 and 100 nodes were analyzed. For each of the number of nodes, all the number of mobile nodes were evaluated. The routing protocols were analyzed using the OPNET Simulation Software and NS-3and the environment size for the simulation was 1000m by 1000m. IoT has continue to grow bigger since from its inception. Many mobile devices are now available, the internet and its application have only grown bigger and better. As IoT is continually growing, so also is the complexity, as a result issues pertaining routing have also increased. Many researches have been made in attempt to proffer solutions that will either minimize or eliminate these routing issues. Different routing protocols have been designed with different specifications for different applications of the IoT. Also, attempts have been made to implement routing protocols of other types of networks in the IoT.
Author: Abid Afsar Publisher: GRIN Verlag ISBN: 3656341257 Category : Computers Languages : en Pages : 127
Book Description
Master's Thesis from the year 2012 in the subject Computer Science - Technical Computer Science, grade: 70%, Griffith College Dublin (Faculty of Computing ), course: MSC Computing , language: English, abstract: Modern wireless sensor network can be expanded into large geographical areas via cheap sensor devices which can sustain themselves itself with very a low power usage. The networking capability enables these sensor nodes to incorporate, collaborates, and coordinates with among each other , and this is a fundamental shift in the field of networks which differentiates sensor network nodes form other networks such as IP-datagram, Ad-Hoc and so on. Currently, routing in the wireless sensor network faces multiple challenges, such as new scalability, coverage, packet loss, interference, real-time audio and video real time streaming, harsh weather environments, energy constraints and so forth. Network routing can be called an amalgamation of routing protocol and routing algorithm. The job of the routing protocols is to provide a cohesive view of network nodes topology while routing algorithm provides the intelligence in terms of optimal path calculation. We set out to conduct a detailed study of routing protocols in a IP-datagram, wireless ad-hoc and sensor network, and also accomplished routing protocols comparison against the chosen network performance factor dropped packet ratio. Routing protocols play an important role in modern wireless communication networks. Routing protocols’ performance can be measured by a number of factors such as packet dropped rate and so forth. Rumour and Optimal Spinal Routing algorithms are compared using ShoX simulation and the results and analysis are based upon the simulation experiments.
Author: Rizwan Ahmed Khan Publisher: LAP Lambert Academic Publishing ISBN: 9783848424535 Category : Languages : en Pages : 64
Book Description
The power of wireless sensor networks (WSN) lies in the ability to deploy large numbers of tiny nodes that assemble and configure themselves. Usage scenarios for these devices range from real-time tracking, to monitoring of environmental conditions, to Military applications, to monitoring of the health of structures or equipment. There is extensive research in the development of new algorithms for data aggregation, ad hoc routing, and distributed signal processing in the context of wireless sensor networks. As the algorithms and protocols for wireless sensor network are developed, they must be supported by a low-power, efficient and flexible hardware platform. This book describes systematic performance study of two state-of-the-art dynamic routing protocols for WSN, the Dynamic Source Routing protocol (DSR) and the Ad Hoc On-Demand DistanceVector protocol (AODV).
Author: Feng Zhao Publisher: Springer Science & Business Media ISBN: 3540021116 Category : Computers Languages : en Pages : 688
Book Description
This book constitutes the refereed proceedings of the Second International Workshop on Information Processing in Sensor Networks, IPSN 2003, held in Palo Alto, CA, USA, in April 2003. The 23 revised full papers and 21 revised poster papers presented were carefully reviewed and selected from 73 submissions. Among the topics addressed are wireless sensor networks, query processing, decentralized sensor platforms, distributed databases, distributed group management, sensor network design, collaborative signal processing, adhoc sensor networks, distributed algorithms, distributed sensor network control, sensor network resource management, data service middleware, random sensor networks, mobile agents, target tracking, sensor network protocols, large scale sensor networks, and multicast.
Author: Abd Albasset Almamou Publisher: Omniscriptum ISBN: 9786131530616 Category : Languages : en Pages : 144
Book Description
This book presents ScatterDHT, a routing overlay explicitly designed for WSNs. ScatterDHT exploits the P2P functionality features and applies them over the ScatterWeb sensor nodes. The first part of this book describes the ScatterDHT overlay routing and figures out the performance evaluation of the implemented prototype. The second part gives a detailed study of performance evaluation of two MANETs proactive routing protocols (B.A.T.M.A.N and OLSR) over the WSN. This work has been achieved to give a comprehensive performance evaluation on the characteristics of the chosen routing protocols. Results show that ScatterDHT outperforms the other protocols considering a few important metrics in the wireless sensor network. It has a higher delivery ratio than B.A.T.M.A.N and OLSR for all network sizes (5 Nodes, 10 Nodes, 50 Nodes, 100 Nodes, 200 Nodes). It also outperforms the other protocols regarding the metric Control Traffic Overhead. The most important metric where Scatter-DHT outperforms other ones, is the energy consumption. Since the control traffic overhead generated by ScatterDHT is less than others, it is obvious that it requires less energy consumption.
Author: Sergio Rolando Guercin Publisher: ISBN: Category : Languages : en Pages :
Book Description
Nowadays, Opportunistic Routing (OR) is widely considered to be the most important paradigm for Multi-hop wireless networks (MWNs). It exploits the broadcast nature of wireless medium to propagate information from one point to another within the network. In OR scheme, when a node has new information to share, it rst needs to set its forwarding list which include the IDs and/or any relevant information to its best suited neighboring nodes. This operation is supported by the use of appropriate metrics. Then, it executes a coordination algorithm allowing transmission reliability and high throughput among the next-hop forwarders. In this paper, we provide a comprehensive guide to understand the characteristics and challenges faced in the area of opportunistic routing protocols in MWNs. Moreover, since the planet we live on is largely covered by water, OR protocols have gained much attention during the last decade in real-time aquatic applications, such as oil/chemical spill monitoring, ocean resource management, anti-submarine missions and so on. One of the major problems in Underwater Wireless Sensor Network (UWSNs) is determining an e cient and reliable routing methodology between the source node and the destination node. Therefore, designing e cient and robust routing protocols for UWSNs became an attractive topic for researchers. This paper seeks to address in detail the key factors of underwater sensor network. Furthermore, it calls into question 5 state-of-the-art routing protocols proposed for UWSN: The Depth-Based Routing protocol (DBR), the Energy-E cient Depth-Based Routing protocol (EEDBR), the Hydraulic-pressure-based anycast routing protocol (Hydrocast), the Geographic and opportunistic routing protocol with Depth Adjustment for mobile underwater sensor networks (GEDAR), and the Void- Aware Pressure Routing for underwater sensor networks (VAPR). Finally, it covers the performance of those protocol through the use of the R programming language.
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Author: 
Author: Polycarp Yakoi
Author: Wei Hong Ma
Author: Raja Asif Wagan
Author: Abid Afsar
Author: Rizwan Ahmed Khan
Author: Feng Zhao
Author: Richard Werner Nelem Pazzi
Author: Abd Albasset Almamou
Author: Sergio Rolando Guercin