Research ArticleOpen accessPhrase in the titleDistributed Cluster Based Routing Technique with Multiple Sinks for Wireless Sensor NetworksS. V. Manisekaran, R. VenkatesanProblem Statement: In order to reduce or minimize energy consumption and to improve bandwidth utilization in Wireless Sensor Networks (WSN), it was essential to consider its architecture in the network topology, power consumption, data rate and fault tolerance. Our objective is to formulate an effective cluster formation of nodes with multiple sinks to reduce power consumption and minimize the data … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 28 Jun 2012 · 6,865 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEnergy Constrained Secure Hierarchical Data Aggregation in Wireless Sensor NetworksV. Bhoopathy, R. M.S. ParvathiProblem statement: Wireless sensor networks, brings out variety of different challenges at energy level, integrity, authentication, communication cost. Approach: In the secure data aggregation techniques, reduction in the energy consumption was not elaborated in detail, since aggregator means of connection to sink was either direct or through other aggregators which need high energy level. Results: We suggest an Energy Constrained … …American Journal of Applied Sciences, Vol. 9, Issue 6 · 16 Mar 2012 · 7,377 accessesView PDFCite
Research ArticleOpen accessPhrase in the titlePerformance of Improved Directed Diffusion Protocol for Sensor Networks under Different Mobility ModelsK. E. Kannammal, T. PurusothamanProblem statement: In sensor networks, some routing protocols performance differs under different mobility models. In ns2, there are two kinds of directed diffusion protocols, rate based gradient mechanism (diffusion/rate) and probability based gradient mechanism (diffusion/prob). In this research, we proposed a method to improve the performance of Directed diffusion/prob protocol by adding a new interest message propagation mechanism and analyzed … …Journal of Computer Science, Vol. 8, Issue 5 · 25 Feb 2012 · 6,749 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleSecure Authentication Technique for Data Aggregation in Wireless Sensor NetworksV. Bhoopathy, R. M.S. ParvathiProblem statement: In Wireless Sensor Networks (WSN), serious security threat is caused by node capture attacks where an adversary gains full control over a sensor node through direct physical access. Approach: This creates a high risk of data confidentiality. Results: We propose a secure authentication technique for data aggregation in WSN. During first round of data aggregation, the aggregator upon … …Journal of Computer Science, Vol. 8, Issue 2 · 24 Jan 2012 · 7,286 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleA Distributed Coverage and Target Tracking Algorithm for Wireless Sensor NetworksM. Senthamilselvi, N. DevarajanProblem statement: Due to communication, processing and energy constraints, tracking in sensor networks creates different challenges. Since existing algorithms utilized the information from all the sensors for tracking, it results in higher expenditure of energy and reduced lifetime for the network. Approach: We propose to develop a distributed coverage and target tracking algorithm for wireless sensor networks. Tracking issue is … …Journal of Computer Science, Vol. 8, Issue 3 · 6 Jan 2012 · 6,698 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleOptimal Network Design for Efficient Energy Utilization in Wireless Sensor NetworksChutima Prommak, Sujitra ModhirunProblem statement: This research presents a study of the optimal network design for efficient energy utilization in continuous data-gathering Wireless Sensor Networks (WSNs). We first examine the problem of minimizing the network cost through the minimum number of relay-station installation. Then we further investigate the problem of minimizing the energy consumption of the sensor nodes. Approach: We model the network … …Journal of Computer Science, Vol. 8, Issue 1 · 3 Nov 2011 · 7,350 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleCoverage Eligibility Rule based Coverage Maintenance Protocol for Energy Conservation in Wireless Sensor NetworksA. Balamurugan, T. PurushothamanProblem statement: Wireless Sensor Networks (WSNs) comprise of small nodes with sensing, computation and wireless communication capabilities. Nodes in a sensor network are severely constrained by energy and computing power. Continuous working of sensor nodes leads to quick depletion of battery power and reduces the overall lifetime. To prolong the lifetime of the sensor nodes, efficient routing protocol that could … …Journal of Computer Science, Vol. 7, Issue 10 · 6 Aug 2011 · 6,630 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleConsistent and Proficient Algorithm for Data Gathering in Wireless Sensor NetworksP. Balamurugan, K. DuraiswamyProblem statement: A wireless sensor network is usually deployed in a harsh geographical area to gather data that can be delivered to the remotely located base station. Sensor nodes have irreplaceable energy source, limited computational capability and limited memory. It is a challenge to maximize the use of energy of these sensor nodes to extend the network lifetime. Approach: This … …Journal of Computer Science, Vol. 7, Issue 9 · 25 Jul 2011 · 6,732 accessesView PDFCite
Research ArticleOpen accessPhrase in the titlePerformance Analysis of Congestion Reduction Routing in Wireless Sensor NetworksT. V.P. Sundararajan, Thiyaneswaran Manoharan, Abinaya RajendranProblem statement: Data generated in wireless sensor networks may not all be alike: some data may be more important than others and hence may have different delivery requirements, To solve this problem addressed a differentiated data delivery in the presence of congestion in wireless sensor networks and proposed a class of algorithms that enforce differentiated routing based on the congested … …Journal of Computer Science, Vol. 7, Issue 7 · 28 Jun 2011 · 6,795 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleSecure Group Key Management for Dynamic Sensor NetworksN. Suganthi, V. Sumathi, R S. MohanapriyhaProblem statement: Key management is an important cryptographic technique for providing security in a dynamic environment of sensor networks. To provide a secure communication among a group of sensor nodes keys should established in an efficient manner. We introduced an efficient and dynamic key management system for dynamic sensor networks. Approach: We pre deployed some of the keying materials in … …Journal of Computer Science, Vol. 7, Issue 7 · 28 Jun 2011 · 6,743 accessesView PDFCite