Methods Of Cooperative Routing To Optimize The Lifetime Of Multi Hop Wireless Sensor Networks PDF Download
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| Author | : Jin Woo Jung |
| Publisher | : |
| Total Pages | : |
| Release | : 2013 |
| Genre | : Computer networks |
| ISBN | : |
Download Methods of Cooperative Routing to Optimize the Lifetime of Multi-hop Wireless Sensor Networks Book in PDF, ePub and Kindle
This dissertation presents methods of extending the network lifetime of multi-hop wireless sensor networks (WSNs) through routing that uses cooperative transmission (CT), referred to as cooperative routing. CT can have a signal-to-noise ratio (SNR) advantage over non-CT schemes through cooperative diversity and simple aggregation of transmit power, and one of its abilities is to extend the communication range of a wireless device using this SNR advantage. In this research, we use the range-extension ability of CT as a tool to mitigate the energy-hole problem of multi-hop WSNs and extend the network lifetime. The main contributions of this research are (i) an analytical model for a cooperative routing protocol with a deployment method, (ii) cooperative routing protocols that can extend the network lifetime, and (iii) formulating the lifetime-optimization problem for cooperative routing. The analytical model developed in this research theoretically proves that, in a situation where non-CT routing cannot avoid the energy-hole problem, our CT method can solve the problem. PROTECT, a CT method based on the analytical model, provides a very simple way of doing cooperative routing and can improve the lifetime of non-CT networks significantly. REACT, a cooperative routing protocol that uses the energy information of nodes, overcomes some of the limitations of PROTECT and can be applied to any existing non-CT routing protocol to improve the network lifetime. Using REACT and analytical approaches, we also show that cooperative routing can be beneficial in multi-hop energy-harvesting WSNs. By formulating and solving the lifetime-optimization problem of cooperative routing, which requires a much more sophisticated formulation than that of non-CT routing, we explore the optimal lifetime bounds and behaviors of cooperative routing. Finally, we study and design online cooperative routing methods that can perform close to the optimal cooperative routing.
| Author | : Jesús Hamilton Ortiz |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 150 |
| Release | : 2017-05-11 |
| Genre | : Computers |
| ISBN | : 9535131095 |
Download Ad Hoc Networks Book in PDF, ePub and Kindle
A mobile ad hoc network (MANET) is a collection of two or more wireless devices with the capability to communicate with each other without the aid of any centralized administrator. Ad hoc networks have no fixed routers, these nodes can be connected dynamically in an arbitrary manner. MANETs, due to their operational characteristics, the dynamics of their changes and the precariousness of their resources, offer huge challenges due to the architecture and service nature in the next generation of mobile communications. MANETs play an important role in the future of next-generation networks. This special collection identifies and studies the most important concerns in MANETs, and includes contributions from researchers, academics, etc.
| Author | : Shalli Rani |
| Publisher | : Springer |
| Total Pages | : 78 |
| Release | : 2015-09-21 |
| Genre | : Technology & Engineering |
| ISBN | : 9812877304 |
Download Multi-hop Routing in Wireless Sensor Networks Book in PDF, ePub and Kindle
This brief provides an overview of recent developments in multi-hop routing protocols for Wireless Sensor Networks (WSNs). It introduces the various classifications of routing protocols and lists the pros and cons of each category, going beyond the conceptual overview of routing classifications offered in other books. Recently many researchers have proposed numerous multi-hop routing protocols and thereby created a need for a book that provides its readers with an up-to-date road map of this research paradigm. The authors present some of the most relevant results achieved by applying an algorithmic approach to the research on multi-hop routing protocols. The book covers measurements, experiences and lessons learned from the implementation of multi-hop communication prototypes. Furthermore, it describes future research challenges and as such serves as a useful guide for students and researchers alike.
| Author | : Madhumathy Perumal |
| Publisher | : GRIN Verlag |
| Total Pages | : 86 |
| Release | : 2020-12-16 |
| Genre | : Computers |
| ISBN | : 3346315568 |
Download Wireless Sensor Networks. Routing Protocol Overview Book in PDF, ePub and Kindle
Document from the year 2020 in the subject Engineering - Computer Engineering, , language: English, abstract: Sensor nodes have restricted storage, computational and energy resources, these restrictions place a limit on the types of deployable routing mechanisms. Routing protocol disseminates information that enables the sensor nodes to select routes to communicate with other nodes on the network and the choice of the route is determined by the routing algorithms. Thus the routing protocol helps the nodes to gain knowledge about the topology of the network to which it is attached directly. There are mainly two types of routing processes: one is static routing and the other is dynamic routing. In a static routing, the routing tables are set up in a static manner in the nodes. The network routes for the packet are initially set between the nodes. However, if any node on the specified route fails, the data may not reach the destination. In a dynamic routing, routing tables in the routers often change whenever the possible routes change. Dynamic routing is more suitable as the nodes in WSNs may frequently change their position and die at any moment. The routing protocols are classified into single hop and multi hop routing. In a single hop routing, sensor node directly communicates with the sink to share the gathered information. Energy consumption is high in the network using single hop protocol. In multi hop routing, data is routed through the intermediate nodes to the base station. Each node transfers sensed data to the immediate node which in turn transfers the data to the next immediate node and finally the data reaches the base station. Energy consumption in this kind of routing protocol is less and thus the lifetime of the nodes is high. The major challenge to the efficient operation of wireless sensor network lies in its ability to deliver the sensed information from the nodes to the sink within the specific time duration without the loss of data packets with high security. The sensor nodes depend on the battery source for their operation which has limited capacity. Thus the energy resource of the sensor nodes has to be used efficiently in order to increase the operational lifetime of the network.
| Author | : Nguyen Thanh Tung |
| Publisher | : |
| Total Pages | : 398 |
| Release | : 2008 |
| Genre | : Wireless sensor networks |
| ISBN | : |
Download Energy-efficient Routing Algorithms in Wireless Sensor Networks Book in PDF, ePub and Kindle
Depending on the type of sensor network, routing protocols can be grouped into two main categories: hierarchical-based routing for MWSNs and multi-hop routing for WASNs. In hierarchical-based routing, there are two main approaches to prolong the lifetime of MWSNs: cluster-based routing and chain-based routing. To study the cluster-based routing, some very simple network topologies are analyzed first. From the analysis, it is shown that the energy optimization process can be formulated as integer linear programming problems. Several methods are then presented to obtain the optimal results from the formulations. As these problems are proven to be NP-hard, heuristic algorithms are proposed to obtain approximate solutions. From the simulation results, solutions are derived that are very close to the optimal solutions. In chain-based routing, sensor nodes form a chain to gather data, and a node is elected to deliver the data to a base station. It is shown by analysis that the equal selection of sensor nodes as the elected cluster-head (CH) will not give the optimal lifetime. The energy efficiency can be significantly improved by optimizing the selection of each sensor node as a CH. Therefore, a new model is proposed to compute the frequency of each sensor node being selected as the CH. Simulation results show that the proposed scheme significantly improves the system lifetime. As the problem of building an optimal chain is NP-complete, a bounded model is proposed to predict the upper bounds of the lifetime. Using the model, it is shown that our proposed chain-based scheme performance is very close to the bounds. At the end of the study for the hierarchical-based routing, the performances of the best cluster-based routing method and the best chain-based routing method are compared. Simulation results show that they perform similarly. In multi-hop routing, we show that locating a path that maximizes the minimum remaining energy of sensor nodes is actually an NP-complete problem. Therefore, in the routing, there is no polynomial time for the problem, and hence heuristic algorithms are proposed. In order to overcome the problem of the existence of the reception energy of neighbouring nodes, we then propose two methods to prolong the lifetime: inserting the remaining energy of nodes into routing formulas and using a broadcast scheme to eliminate the reception energy. In summary, in this research, a number of energy-efficient routing protocls in MWSNs and WASNs are proposed. These proposed methods significantly improve the lifetime of these networks.
| Author | : Dr. Shital Yadavrao Gaikwad , Dr. Balaji Rajendra Bombade |
| Publisher | : Laxmi Book Publication |
| Total Pages | : 108 |
| Release | : 2023-07-11 |
| Genre | : Art |
| ISBN | : 131236923X |
Download ROUTING ALGORITHMS FOR WIRELESS SENSOR NETWORKS Book in PDF, ePub and Kindle
1.1 Network Two or more computers are connecting with each other for sharing resources is known as network. A group or system of interconnected people or networks. Computer world, the term network means two or more connected computers that can share resources like data and applications, office machines, an internet connection (IC) (Figure 1.1).
| Author | : Management Association, Information Resources |
| Publisher | : IGI Global |
| Total Pages | : 1618 |
| Release | : 2020-02-07 |
| Genre | : Technology & Engineering |
| ISBN | : 1799824551 |
Download Sensor Technology: Concepts, Methodologies, Tools, and Applications Book in PDF, ePub and Kindle
Collecting and processing data is a necessary aspect of living in a technologically advanced society. Whether it’s monitoring events, controlling different variables, or using decision-making applications, it is important to have a system that is both inexpensive and capable of coping with high amounts of data. As the application of these networks becomes more common, it becomes imperative to evaluate their effectiveness as well as other opportunities for possible implementation in the future. Sensor Technology: Concepts, Methodologies, Tools, and Applications is a vital reference source that brings together new ways to process and monitor data and to put it to work in everything from intelligent transportation systems to healthcare to multimedia applications. It also provides inclusive coverage on the processing and applications of wireless communication, sensor networks, and mobile computing. Highlighting a range of topics such as internet of things, signal processing hardware, and wireless sensor technologies, this multi-volume book is ideally designed for research and development engineers, IT specialists, developers, graduate students, academics, and researchers.
| Author | : Kun Xie |
| Publisher | : |
| Total Pages | : |
| Release | : 2017 |
| Genre | : Computers |
| ISBN | : |
Download Cooperative Routing in Multi-Radio Multi-Hop Wireless Network Book in PDF, ePub and Kindle
There are many recent interests on cooperative communication (CC) in wireless networks. Despite the large capacity gain of CC in small wireless networks, CC can result in severe interference in large networks and even degraded throughput. The aim of this chapter is to concurrently exploit multi-radio and multi-channel (MRMC) and CC technique to combat co-channel interference and improve the performance of multi-hop wireless network. Our proposed solution concurrently considers cooperative routing, channel assignment, and relay selection and takes advantage of both MRMC technique and spatial diversity to improve the throughput. We propose two important metrics, contention-aware channel utilization routing metric (CACU) to capture the interference cost from both direct and cooperative transmission, and traffic aware channel condition metric (TACC) to evaluate the channel load condition. Based on these metrics, we propose three algorithms for interference-aware cooperative routing, local channel adjustment, and local path and relay adaptation, respectively, to ensure high-performance communications in dynamic wireless networks. Our algorithms are fully distributed and can effectively mitigate co-channel interference and achieve cooperative diversity gain. To our best knowledge, this is the first distributed solution that supports CC in MRMC networks. Our performance studies demonstrate that our algorithms can significantly increase the aggregate throughput.
| Author | : Yen Kheng Tan |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 434 |
| Release | : 2010-12-14 |
| Genre | : Technology & Engineering |
| ISBN | : 953307261X |
Download Smart Wireless Sensor Networks Book in PDF, ePub and Kindle
The recent development of communication and sensor technology results in the growth of a new attractive and challenging area - wireless sensor networks (WSNs). A wireless sensor network which consists of a large number of sensor nodes is deployed in environmental fields to serve various applications. Facilitated with the ability of wireless communication and intelligent computation, these nodes become smart sensors which do not only perceive ambient physical parameters but also be able to process information, cooperate with each other and self-organize into the network. These new features assist the sensor nodes as well as the network to operate more efficiently in terms of both data acquisition and energy consumption. Special purposes of the applications require design and operation of WSNs different from conventional networks such as the internet. The network design must take into account of the objectives of specific applications. The nature of deployed environment must be considered. The limited of sensor nodes resources such as memory, computational ability, communication bandwidth and energy source are the challenges in network design. A smart wireless sensor network must be able to deal with these constraints as well as to guarantee the connectivity, coverage, reliability and security of network's operation for a maximized lifetime. This book discusses various aspects of designing such smart wireless sensor networks. Main topics includes: design methodologies, network protocols and algorithms, quality of service management, coverage optimization, time synchronization and security techniques for sensor networks.
| Author | : Dr.D.Usha |
| Publisher | : SK Research Group of Companies |
| Total Pages | : 106 |
| Release | : 2022-02-15 |
| Genre | : Technology & Engineering |
| ISBN | : 9391077943 |
Download Efficient routing protocols with dependable QOS parameters for Wireless Sensor Networks Book in PDF, ePub and Kindle
Dr.D.Usha, Assistant Professor, Department of Computer Science, Mother Teresa Womens University, Kodaikanal, Tamil Nadu, India
