Data aggregation in wireless sensor networks jin cui to cite this version. Wireless sensor networks consist of sensor nodes with sensing and communication capabilities. Presently, securing data aggregation is an important research issue in wsns due to. Data routing innetwork aggregation for wireless sensor. Wsns measure environmental conditions like temperature, sound, pollution levels, humidity, wind, and so on. Secure data aggregation research for wireless sensor. They play a vital role in military surveillance, environment monitoring etc. Fault tolerant aggregation in sensor networks using corrective actions, ieee communications society conference on sensor, mesh and ad hoc communications.
Unstructured topology in wsn results in large amount of redundant data being. In wireless sensor network, data fusion is considered an essential process for preserving sensor energy. A survey on secure data aggregation protocols in wireless. Thus, it provides a simple, declarative interface for data collection and aggregation. Secure data aggregation technique for wireless sensor. Data aggregation is a widely used technique in wireless sensor networks. In wireless sensor networks, a compromised sensor node can inject false data during data forwarding and aggregation to forge the integrity of aggregated data. We consider a problem of minimum cost energy data aggregation in wireless sensor networks computing certain functions of sensed data. Secure aggregation, sensor networks, data aggregation 1. In this paper, the proposed secure data aggregation schemes.
Secure data aggregation protocols in wireless sensor networks. This paradigm shifts the focus from the traditional addresscentricap. Data coming from multiple sensor nodes are aggregated as. Innetwork aggregation techniques for wireless sensor. 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. Proceedings of the sixth australasian information security conference aisc 2008. 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. 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. Data aggregation is an important technique for reducing the energy consumption of sensor nodes in wireless sensor networks wsns. 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. A context aware wireless body area network ban pdf. Secured data aggregation in wireless sensor networks dois.
Filtering out the attackers impact article pdf available in ieee transactions on information forensics and security 94. 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. These are similar to wireless ad hoc networks in the sense that. Secure data aggregation technique in wireless sensor. Therefore, such data aggregation protocols must decrypt the sensor data to perform data aggregation and encrypt the aggregated data before transmitting it. Performance evaluation of data aggregation for cluster. The impact of data aggregation in wireless sensor networks. Purpose this study aims to provide a secured data aggregation with reduced energy consumption in wsn. 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.
The biggest advantage of building intelligence into a sensor is that the sensor can process data before sending them to a data consumer. 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. A heuristic for maximizing the lifetime of data aggregation in. This paper investigates the relationship between security and data aggregation. Data aggregation in wireless sensor networks halinria.
Performance of data aggregation for wireless sensor networks. Issue in data aggregation is that the data may be passed. Directed diffusion dd 2 may be a popular information aggregation paradigm for wireless device networks. Wireless sensor network could not deploy the hostile and uncontrolled environment.
Impact of data aggregation in wireless sensor networks. In order to save resources and energy, data must be aggregated to avoid overwhelming amounts of traffic in the network. The issue of when nodes should report their data is considered in the context of. In order to reduce the transmission of redundant data and enhance security, this article proposed a secure data aggregation and authentication scheme. In this paper, we have performed data aggregation on the basis of entropy of the sensors. 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. Secure data aggregation in wireless sensor networks. Hierarchical concealed data aggregation for wireless. Secured data aggregation in wireless sensor networks. Thirumaraiselvan apece content introduction literature survey problem formulation objective proposed work tools required references introduction literature survey k. Secure data aggregation in wireless sensor networks article pdf available in ieee transactions on information forensics and security 73. Review for secure data aggregation in wireless sensor.
Abstractwireless sensor networks wsns are increasingly used in several applications, such as volcano and. Manets have high degree of mobility, while sensor networks are mostly stationary. Volume 5, issue 8, february 2016 content security using. The scheme jointly optimizes the data aggregation and routing. Data aggregation is the process of reducing communication overhead in wireless sensor networks. Pdf secured data aggregation in wireless sensor networks. However, while this continuous data aggregation operation improves the bandwidth and energy utilization, it may negatively affect other per. The sensor nodes for these applications are typically deployed in unsecured locations and are. Secure continuous aggregation in wireless sensor networks.
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 and efficient verification for data aggregation in wireless. Data aggregation, an essential paradigm for wireless routing in sensor networks aim to combine the data coming from different sources. Wireless sensor networks wsns are increasingly used in many applications, such as volcano and fire monitoring, urban sensing, and perimeter surveillance. 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.
The entropy is computed from the proposed local and global. Secure hierarchical innetwork aggregation in sensor networks. We use innetwork aggregation such that data can be combined at the intermediate nodes en route to the sink. Secure and efficient hierarchical data aggregation in. Data aggregation can also eliminate redundancy, minimize the number of transmissions and thus save the energy. 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.
Data aggregation in cluster based wireless sensor networks. Wireless sensor network wsn refers to a group of spatially dispersed and dedicated sensors. 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. The security issues, data confidentiality and integrity, in data aggregation become vital when the sensor network is. 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. Simulation results prove that the proposed algorithms reduce the data traffic and at the same time also improve the network lifetime. The idea is to combine the data coming from different sources enroute eliminating redundancy, minimizing the number of transmissions and thus saving energy.
We focus on data aggregation problems in energy constrained. Secure data aggregation techniques for wireless sensor. Another clusterbased data aggregation scheme is discussed. Review for secure data aggregation in wireless sensor networks shweta rana, prof. Data communication between nodes in wireless sensor networks consumes a large percentage. In particular, we discuss the vulnerabilities of existing data. In recent years, the main challenge was to develop energy e. Mid semester presentation seminari on data aggregation in wireless sensor network presented by shiwangi yadav m. Hopbyhop data aggregation and endto end data aggregation are two methods used for secure data aggregation 1 in wireless sensor networks. Introduction wireless sensor networks are increasingly deployed in securitycritical applications such as factory monitoring, environmental monitoring, burglar alarms and. Manet wireless sensor networks may be considered a subset of mobile adhoc networks manet. Abstract this thesis focuses on three fundamental issues that concern data aggregation protocols for periodic data collection in sensor networks.
There has been extensive work on data aggregation schemes in sensor networks, the aim of data. Given the application area, network resource constraints, and the fact that local computation often consumes signi. Privacy and robustness for data aggregation in wireless. Secure data aggregation schemes are fruitful to achieve the security in wireless sensor networks. Data aggregation is the process of one or several sensors then collects the detection result from other sensor. Secure data aggregation in wireless sensor network. Data aggregation has been put forward as an essential paradigm for wireless routing in sensor networks 3, 6. 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. Secure data aggregation in wireless sensor networks wei zhang, ph. Secure data aggregation model sdam in wireless sensor.
These techniques allow to trade off communication for computational complexity. Wsn nodes have less power, computation and communication compared to manet nodes. An effective and secure data aggregation technique for. 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 university of texas at arlington, 2008 supervising professor. That assumption obviously reduces the ratio of packet transmission in the wsn.
Data aggregation in typical wireless sensor networks, sensor nodes are usually resourceconstrained and batterylimited. A data fusion method in wireless sensor networks ncbi. Wireless sensor networks data aggregation consists on reducing the flow of communication and optimizing the energy consumption. Pdf secure data aggregation in wireless sensor networks. Covering a wide range of applications, wireless sensor networks wsns can play an important role in iot by seamless integration among. Secure and privacypreserving data aggregation protocols. 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. An aggregation framework on wireless sensor networks is proposed 2. In wsn, the aggregation of data is very complex because of its limited power and computing capabilities.
An constructive for secure data aggregation protocol in. 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. Networking and services mobiquitous, boston, 2004, pp. Minimum cost data aggregation for wireless sensor networks. Wireless sensor networks also are used for the collection of data for monitoring of. Vasilakos department of electrical and computer engineering national technical university of athens, greece email. Periodic data sampling leads to enormous collection of raw facts, the transmission of which would rapidly deplete the sensor power. Energy efficient data aggregation in wireless sensor networks.
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