Typically, it can be assumed that sensors are immobile. The improved availability of sensor nodes has caused an increase in the number of researchers studying sensor networks. Wireless sensor networks have gained much attention these last years thanks to the great set of applications that accelerated the technological advances. Research, technology and applications 1 intentional mobility in wireless sensor networks youchiun wang and yuchee tseng abstractthe emerging wireless sensor networks wsns offer a convenient way to monitor physical environments. Wireless sensor networks wsn seminar and ppt with pdf report. Handling mobility in wireless sensor and actor networks. Locationaware and mobility based performance optimization for wireless sensor networks eyad taqieddin, fahed awad, and hani ahmad jordan university of science and technology, p. In wireless sensor network wsn, the sensor nodes are widely. In this case, the wellknown paradigm of ad hoc networking specializes to consider the following characteristics. There is plenty of related research on mobility in next generation networks, which promises support for emerging ambient and ubiquitous communications. A tiny virtual machine for sensor networks, asplosx 2002. It covers the various layers of the lifecycle of this type of network from the physical layer up to the application layer. Keywordswireless sensor network, energy consumption, cluster based function, mobility. Mobile sensor node architecture, residual energy utilization, mobility, topology, scalability, localization, data collection routing, quality of service.
There is an excellent survey paper of camp, boleng and davies 12 which presents and discusses mobility. Many wireless sensor networks also utilize minimal capacity devices which places a further strain on the ability to use past solutions. Introduction recent technological advancements have made the deployment of small, inexpensive, lowpower devices a reality. Using sink mobility to increase wireless sensor networks.
Dealing with mobility at the link layer in an efficient and effective way is a formidable challenge in wireless sensor networks due to recent boom in mobile applications and complex network scenarios. Wireless sensor networks for health monitoring, in proceedings of 2nd annual international conference on mobile and ubiquitous systems. Master of science electrical engineering, august 2014, 55 pp. Whereas mobility is a fundamental aspect of all nodes in an ad hoc networks, mobility in wsns. Sink mobility schemes in wireless sensor networks for.
Mobile wireless sensor network mwsn has emerged as a vibrant research field in the domain of sensor networks as execution of applications now primarily depend upon the mobility of sensor nodes. Then, we present the most important mobility models from the literature. First, we present multirobot realtime exploration, which calls for the joint consideration of mobility and communication. Energy balancing for robotic aided clustered wireless sensor. Wireless sensor networks wsns are a typical example of this kind of networks 2,3.
Mobility in wireless sensor networks eecs at uc berkeley. In this master thesis we focus on mobility characterization for mobile wireless sensor networks. A comprehensive survey on hierarchicalbased routing. Mobility in wireless sensor networks uc berkeley eecs. While the former two concern the physical aspects of mobility, the latter two regard the architectural. For this reason, this chapter firstly introduces the topic of mobile wireless sensor networks mwsns. Scalable data collection for mobile wireless sensor networks. Mobilitybased communication in wireless sensor networks. Mobility management challenges and issues in 4g heterogeneous. Wireless sensor networks wsns have the promise of revolutionizing the capture, processing, and communication of mission critical data for the use. Algorithms and protocols for wireless sensor networks. Wireless sensor networks wsns can be defined as a selfconfigured and infrastructureless wireless networks to monitor physical or environmental conditions, such as temperature, sound, vibration, pressure, motion or pollutants and to cooperatively pass their data through the network to a main location or sink where the data can be observed and analysed. Wireless sensor networks, mobility, routing, load balancing. Introduction underwater wireless sensor networks uwsns have attracted a growing research interest from the wireless networks community.
Mobility in wireless sensor networks ece northeastern. A large number of small and simple sensor devices communicate over shortrange wireless interfaces to deliver observations over multiple hops to central locations called sinks. Assuring kcoverage in the presence of mobility in wireless. We shortly present the specifics of cellular networks, mobile ad hoc networks, and sensor networks regarding mobility. Most of the related works do not match exactly to our requirements in this thesis. Fundamentals focuses on the fundamentals concepts in the design, analysis, and implementation of wireless sensor networks. These protocols are divided depending on the routing structure into hierarchicalbased, flatbased, and location. Akyildiz, fellow, ieee abstractin wireless sensor and actor networks wsans, the collaborative operation of sensors enables the distributed sensing of a physical phenomenon, while actors collect and process sensor.
Zonebased sink mobility in wireless sensor networks. Purpose the purpose of this paper is to enhance the network lifetime of wsn. Journal of computinga survey of sink mobility models for. Pottie, chair a hybrid adhoc sensor network hanet is presented, consisting of both mobile and stationary nodes. Many routing protocols have been developed to support the mobility of wsns. Mobility in wireless sensor networks can be classified considering the following aspects. Pdf increasingly emerging technologies in microelectromechanical systems and wireless communications allows a mobile wireless sensor. Wireless sensor networks wsns consist of a large number of lowcost and small size sensor nodes, which can be embedded in environments in order to accomplish a specific mission by measuring specific parameters such as pressure or temperature. Mobility in 4g networks requires new level of mobility support as compared to traditional mobility. Whereas mobility is a fundamental aspect of all nodes in an ad hoc networks. At last we give a brief discussion about the state of research regarding mobility in wireless networks. Handling mobility in wireless sensor and actor networks tommaso melodia, member, ieee, dario pompili, member, ieee, and ian f. Introduction wireless sensor network wsn1 is self organised network proposed by large number of micro sensor that randomly deployed in monitoring regional through wireless communication.
Mobility issues in hybrid ad hoc wireless sensor networks. Wireless sensor networks is an essential textbook for advanced students on courses in wireless communications, networking and computer science. Mobility in wireless sensor networks by ankur mukesh mehta doctor of philosophy in electrical engineering and computer sciences university of california, berkeley professor kristofer s. By enhancing a variant of random waypoint rwp model 1, we propose mobility resilient coverage control mrcc to assure kcoverage in the presence of mobility. Sensor network wireless sensor network mobile node mobility pattern model train. Energy efficiency communication protocol with mobility in. Author links open overlay panel ricardo silva jorge sa. The combination of mobility with wireless networks greatly expands the application space of both robots and distributed sensor networks. Locationaware and mobilitybased performance optimization. A localization method for underwater wireless sensor networks based on mobility prediction and particle swarm optimization algorithms ying zhang 1, jixing liang 1, shengming jiang 1 and wei chen 2, 1 college of information engineering, shanghai maritime university, shanghai 206, china. Dec 20, 2012 the combination of mobility with wireless networks greatly expands the application space of both robots and distributed sensor networks. Most of this evaluation has been performed 14 with the aid of various network simulators such as ns2 and others and synthetic models for mobility and data patterns 12. Determining the localization of nodes in a wireless sensor network.
We have tried to cover all related works that consider mobility of sensor nodes. Mobility in wireless sensor networks survey and proposal. Mobility conscious medium access control scheme for. In other scenarios mobile devices can be incorpo rated into the design of the wsn architecture, such as airborne and groundbased vehicles. Wireless sensor networks wsn has emerged as one of the first real applications of ubiquitous computing. Mobility based network lifetime in wireless sensor networks arxiv. Yang2 1school of electronic and information engineering, xian jiaotong university, china 2school of engineering and electronics, university of edinburgh, edinburgh eh9 3jl, united kingdom.
Sensor nodes in wireless sensor networks wsns are normally batterypowered and remain stationary after deployment. Mobility conscious medium access control scheme for wireless. Such networks have been widely investigated and many books and articles have been published about the new challenges they pose and how to address them. In this thesis we started with a general study of wireless sensor networks with emphasize on routing layer data collection and mac medium access control layer. In response to this increasing demand, early efforts propose to agilely provision resources 2 and tackle mobility management distributively 3. Distributed adaptability and mobility in space based wireless picosatellite sensor networks wei li1,2, tughrul arslan2, ahmed o. It will also be of interest to researchers, system and chip designers, network planners, technical mangers and other professionals in these fields. Using sink mobility to increase wireless sensor networks lifetime. Akyildiz, fellow, ieee abstractin wireless sensor and actor networks wsans, the collaborative operation of sensors enables the distributed sensing of a physical phenomenon, while actors collect and process sensor data and perform appropriate actions. Mobile wireless sensor networks mwsns have emerged and shifted the focus from the typical static wireless sensor networks to networks with mobile sensor nodes that are capable to sense the. In this paper, a novel routing scheme is proposed through which two mobile sinks are used for efficient collection of sensed data packets.
Mobile wireless sensor network wsn enables substantial elevation in network lifetime besides a better network coverage. We have chosen the deployment in heterogeneous wireless sensor network with locomobility capability nodes which has different energies. Instead of considering node mobility an extra problem, some solutions take. The combination of mobility with wireless networks greatly expands. Wireless sensor networks seminar ppt and pdf report. Wireless sensor networks may be considered a subset of mobile adhoc networks manet. Our work proposes an algorithm based on sink mobility in a wireless sensor. Sensor nodes in wireless sensor networks wsns are normally battery powered and remain stationary after deployment. This page contains wireless sensor networks seminar and ppt with pdf report.
Pister, chair the combination of mobility with wireless networks greatly expands the application space. The unique characteristics of underwater environment such as long propagation delay, limited bandwidth, energyconstraint and nonuniform topology are big challenges in designing a routing protocol for underwater wireless sensor networks uwsns. Uwsns, mobility models, routing protocols, aquatic communication, simulation, and mggr 1. In contrast to a stationary wireless sensor network. Mobility management for wireless sensor networks a stateoftheart. Pdf mobility framework for wireless sensor networks. Multiple lowcost sensor nodes sns are often spatially deployed over a large roi to observe different events. Energy balancing for robotic aided clustered wireless. Wireless sensor networks wsn provide a bridge between the real physical and virtual worlds allow the ability to observe the previously unobservable at a fine resolution over large spatiotemporal scales have a wide range of potential applications to industry. For example, in residential areas and rehab centres, sensors can be attached to subjects to. Pdf a mobility management protocol for wireless sensor. Distributed adaptability and mobility in space based. Controlled mobility for sustainable wireless sensor networks. Wireless sensor networks, mobility, clustering, routing protocols, ad hoc networks.
An analysis of localization problems and solutions in wireless. There is an excellent survey paper of camp, boleng and davies 12 which presents and discusses mobility models for ad hoc networks. Wireless sensor networks, mobile sink, group mobility, individual mobility. Mobility models there is much attention currently focused on the development and evaluation of wireless routing protocols for wireless sensor networks. Wsn 12, where both the sensors and base station are firmly located at predefined. Request pdf mobility in wireless sensor networks survey and proposal targeting an increasing number of potential application domains, wireless sensor. Enabling mobility in heterogeneous wireless sensor networks. Introducing mobility to wireless sensor networks wsns puts new challenges particularly in designing of routing protocols. Wireless sensor networks wsns have gained attention in recent years with the proliferation of the microelectromechanical systems, which has led to the development of.
The effect of mobility on wireless sensor networks. This chapter presents an overview of some of the key areas and research in wireless sensor networks. By introducing mobility to nodes in wireless sensor networks, the capability and flexibility of mobile sensor networks can be enhanced to support multiple mansions, and to address the previously. Manets have high degree of mobility, while sensor networks are mostly stationary. Mobility can be applied to the sensor nodes andor the sink node in the network. Mobility, medium access control, wireless sensor networks, gauss markov mobility model 1. Introduction monitoring a region of interest roi is one of the most important applications of wireless sensor networks wsns 1, 2. A novel infrastructure to support mobility in wireless. Algorithms and protocols for wireless sensor networks wiley. The paper presents mobility framework for wireless sensor networks wsns, which identifies mobility issues and requirements for mobility management within the hybrid hierarchical architecture hha proposed by cruise, and provides a methodology for.
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