Covering a wide range of applications, wireless sensor networks wsns can play an important role in iot by seamless integration among. In particular, we discuss the vulnerabilities of existing data. Abstractwireless sensor networks wsns are increasingly used in several applications, such as volcano and. The scheme jointly optimizes the data aggregation and routing. Thirumaraiselvan apece content introduction literature survey problem formulation objective proposed work tools required references introduction literature survey k. In wireless sensor network, data fusion is considered an essential process for preserving sensor energy. Privacy and robustness for data aggregation in wireless. The security issues, data confidentiality and integrity, in data aggregation become vital when the sensor network is.
The university of texas at arlington, 2008 supervising professor. Another clusterbased data aggregation scheme is discussed. In addition, it intelligently distributes and executes aggregation queries in the sensor network in a time and powerefficient way, and is sensitive to the resource constraints and lossy communication properties of wireless sensor networks. Hierarchical concealed data aggregation for wireless. Volume 5, issue 8, february 2016 content security using. In order to save resources and energy, data must be aggregated to avoid overwhelming amounts of traffic in the network.
Data aggregation is the process of one or several sensors then collects the detection result from other sensor. Secure aggregation, sensor networks, data aggregation 1. In this chapter, however, we focus on an important class of insider attacks in which the adversary uses compromised nodes to inject malicious data into the network within the framework of a data aggregation system. Secure data aggregation protocols in wireless sensor networks. The issue of when nodes should report their data is considered in the context of. Wireless sensor networks consist of sensor nodes with sensing and communication capabilities. A context aware wireless body area network ban pdf. Impact of data aggregation in wireless sensor networks. These are similar to wireless ad hoc networks in the sense that.
Wireless sensor networks also are used for the collection of data for monitoring of. Secure data aggregation in wireless sensor network. Mid semester presentation seminari on data aggregation in wireless sensor network presented by shiwangi yadav m. A data fusion method in wireless sensor networks ncbi. Simulation results prove that the proposed algorithms reduce the data traffic and at the same time also improve the network lifetime. This paradigm shifts the focus from the traditional addresscentricap. Secure continuous aggregation in wireless sensor networks. Review for secure data aggregation in wireless sensor networks shweta rana, prof. In this paper, the proposed secure data aggregation schemes. In order to reduce the transmission of redundant data and enhance security, this article proposed a secure data aggregation and authentication scheme. Secure data aggregation model sdam in wireless sensor. Secure continuous aggregation in wireless sensor networks lei yu, member, ieee, jianzhong li, member, ieee, siyao cheng, shuguang xiong, haiying shen, member, ieee abstract continuous aggregation is usually required in many sensor applications to obtain. Therefore, such data aggregation protocols must decrypt the sensor data to perform data aggregation and encrypt the aggregated data before transmitting it.
Innetwork data aggregation is the global process of gathering and routing information through a multihop network, processing data at the intermediate nodes by reducing resource consumption and increasinging the network lifetime. Data aggregation is an important technique for reducing the energy consumption of sensor nodes in wireless sensor networks wsns. Data aggregation in cluster based wireless sensor networks. Filtering out the attackers impact article pdf available in ieee transactions on information forensics and security 94. Directed diffusion dd 2 may be a popular information aggregation paradigm for wireless device networks. Issue in data aggregation is that the data may be passed. Secure data aggregation in wireless sensor networks article pdf available in ieee transactions on information forensics and security 73. The entropy is computed from the proposed local and global. Data coming from multiple sensor nodes are aggregated as. Unstructured topology in wsn results in large amount of redundant data being. That assumption obviously reduces the ratio of packet transmission in the wsn. Therefore, the design of an efficient data aggregation protocol is an inherently challenging task because the protocol designer must trade off between energy efficiency, data accuracy, faulttolerance, latency, and security. Secure data aggregation technique for wireless sensor.
Data aggregation can also eliminate redundancy, minimize the number of transmissions and thus save the energy. Introduction wireless sensor networks are increasingly deployed in securitycritical applications such as factory monitoring, environmental monitoring, burglar alarms and. We focus on data aggregation problems in energy constrained. Purpose this study aims to provide a secured data aggregation with reduced energy consumption in wsn. Data aggregation, an essential paradigm for wireless routing in sensor networks aim to combine the data coming from different sources. Wireless sensor networks wsn are made up of energy constraint tiny sensing devices which are distributed geographically to monitor inhabited remote areas by collecting the physical phenomenon like temperature, pressure etc. Wireless sensor networks data aggregation consists on reducing the flow of communication and optimizing the energy consumption. Secure data aggregation schemes are fruitful to achieve the security in wireless sensor networks. So data aggregation becomes a crucial when the wireless sensor network is deployed in remote environment or hostile environment where sensors are prone to node failure and compromises. Data aggregation in wireless sensor networks jin cui to cite this version.
Abstract this thesis focuses on three fundamental issues that concern data aggregation protocols for periodic data collection in sensor networks. Secure data aggregation in wireless sensor networks sanjeev setiaa,sankardas roy band sushil jajodia a computer science department, george mason university, fairfax, va, usa b center for secure information systems, george mason university abstract. There has been extensive work on data aggregation schemes in sensor networks, the aim of data. Wireless sensor networks wsns are increasingly used in many applications, such as volcano and fire monitoring, urban sensing, and perimeter surveillance. A heuristic for maximizing the lifetime of data aggregation in. Secure hierarchical innetwork aggregation in sensor networks. They play a vital role in military surveillance, environment monitoring etc. There has been extensive work on data aggregation schemes in sensor networks, the aim of data aggregation is that eliminates redundant data transmission and enhances the lifetime of energy in wireless sensor network. A survey on secure data aggregation protocols in wireless.
In this, data is encrypted by the sensing nodes and decrypted by the aggregator nodes then aggregate the data and encrypt the aggregation result again. An effective and secure data aggregation technique for. The kind of processing that is often needed is to aggregate the data into a more compact representation called. This paper investigates the relationship between security and data aggregation. We use innetwork aggregation such that data can be combined at the intermediate nodes en route to the sink. Manets have high degree of mobility, while sensor networks are mostly stationary. Secure and privacypreserving data aggregation protocols. Secure and efficient hierarchical data aggregation in. Performance evaluation of data aggregation for cluster. Wireless sensor network could not deploy the hostile and uncontrolled environment. Manet wireless sensor networks may be considered a subset of mobile adhoc networks manet. Wireless sensor network wsn refers to a group of spatially dispersed and dedicated sensors. Wsns measure environmental conditions like temperature, sound, pollution levels, humidity, wind, and so on.
Review for secure data aggregation in wireless sensor. Hopbyhop data aggregation and endto end data aggregation are two methods used for secure data aggregation 1 in wireless sensor networks. These techniques allow to trade off communication for computational complexity. However, compromised aggregators may forge false values as the aggregated results of their child nodes in order to conduct stealthy attacks or steal other nodes privacy. It is highly desirable for sensor nodes to detect and drop false data as soon as possible in order to avoid depleting their limited resources such as battery power and bandwidth 49. Secure and efficient verification for data aggregation in wireless.
In this paper, we have performed data aggregation on the basis of entropy of the sensors. In wireless sensor networks, a compromised sensor node can inject false data during data forwarding and aggregation to forge the integrity of aggregated data. Wireless sensor networks are often deployed in open or even hostile environment, its security problem is very prominent, data aggregation is easily to be attacked for security during the specific implementation process. The sensor nodes for these applications are typically deployed in unsecured locations and are. In data aggregation, designated motes will collect and the data packets from their surrounding nodes then forward them tothe base station making a huge impact on the traffic as well as on the communication time. Innetwork data aggregation is main technique supported by wireless sensor networks. The impact of data aggregation in wireless sensor networks. Pdf secure data aggregation in wireless sensor networks. Proceedings of the sixth australasian information security conference aisc 2008.
Data aggregation in wireless sensor networks halinria. Wireless sensor network wsn refers to a group of spatially dispersed and dedicated sensors for monitoring and recording the physical conditions of the environment and organizing the collected data at a central location. Data aggregation in typical wireless sensor networks, sensor nodes are usually resourceconstrained and batterylimited. Secure data aggregation technique in wireless sensor. In wireless sensor network, data aggregation is the process of aggregation data from different sensor node by using aggregation techniques such as max, min, avg, count, sum as in 4 etc. Secure data aggregation techniques for wireless sensor.
Vasilakos department of electrical and computer engineering national technical university of athens, greece email. Wireless sensor networks are randomly deployed and responsible for monitoring wide geographical area. Data communication between nodes in wireless sensor networks consumes a large percentage. Data aggregation is a widely used technique in wireless sensor networks. Data aggregation has been put forward as an essential paradigm for wireless routing in sensor networks 3, 6.
In recent years, the main challenge was to develop energy e. The first algorithm for provably secure hierarchical innetwork data aggregation. Data aggregation is the process of reducing communication overhead in wireless sensor networks. Secure data aggregation research for wireless sensor. In wsn, the aggregation of data is very complex because of its limited power and computing capabilities. Data routing innetwork aggregation for wireless sensor. Periodic data sampling leads to enormous collection of raw facts, the transmission of which would rapidly deplete the sensor power. An aggregation framework on wireless sensor networks is proposed 2. Presently, securing data aggregation is an important research issue in wsns due to. Fault tolerant aggregation in sensor networks using corrective actions, ieee communications society conference on sensor, mesh and ad hoc communications. Secured data aggregation in wireless sensor networks dois. Energy efficient data aggregation in wireless sensor networks. An constructive for secure data aggregation protocol in.
However, while this continuous data aggregation operation improves the bandwidth and energy utilization, it may negatively affect other per. Performance of data aggregation for wireless sensor networks. Minimum cost data aggregation for wireless sensor networks. Pdf secured data aggregation in wireless sensor networks.
Networking and services mobiquitous, boston, 2004, pp. The biggest advantage of building intelligence into a sensor is that the sensor can process data before sending them to a data consumer. The impact of data aggregation in wireless sensor networks abstract sensor networks are distributed eventbased systems that differ from traditional communication networks in several ways. Secured data aggregation in wireless sensor networks. The idea is to combine the data coming from different sources enroute eliminating redundancy, minimizing the number of transmissions and thus saving energy.
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