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Palanisamy, V.
- Service Driven Query Routing for Wireless Sensor Networks
Abstract Views :162 |
PDF Views:2
Authors
Affiliations
1 CSE Department, Kumaraguru College of Technology, Coimbatore, Tamilnadu, IN
2 Info Institute of Engineering, Coimbatore, Tamilnadu, IN
3 CSE Department, Govt. College of Technology, Coimbatore, Tamilnadu, IN
1 CSE Department, Kumaraguru College of Technology, Coimbatore, Tamilnadu, IN
2 Info Institute of Engineering, Coimbatore, Tamilnadu, IN
3 CSE Department, Govt. College of Technology, Coimbatore, Tamilnadu, IN
Source
Networking and Communication Engineering, Vol 3, No 15 (2011), Pagination: 972-977Abstract
In recent years, there has been a growing interest in service oriented architecture for wireless sensor networks which ease the programming and decouple the application development from the low level details of the nodes and networks. However, there are many fundamental problems that sensor networks research will have to address in order to realize the potential of service oriented wireless senor networks. Chief among them is power. Since the nodes in the wireless sensor networks are energy constraint appropriate routing protocol can drastically reduce the energy consumption and enhance the lifetime of the network. In this paper we propose Energy efficient Service driven Query Routing protocol (ESQR). ESQR routes the query based on the service requested. It makes use of hierarchical, distributed and unequal clustering protocol in which transmission range of the node changes dynamically based on the residual energy and the distance from the base station. Simulation results show that our approach is scalable, minimizes energy consumption, extends the network lifetime and reduces the query latency.Keywords
Wireless Sensor Networks, Service Oriented Architecture, Query Routing, Hierarchical Routing.
- Securing WLAN Using Reconfigurable YAGI Antenna
Abstract Views :162 |
PDF Views:3
Authors
Affiliations
1 School of Electrical Sciences, VIT University, Vellore, IN
2 Department of Computer Science and Engineering, Alagappa University, Karaikudi, IN
1 School of Electrical Sciences, VIT University, Vellore, IN
2 Department of Computer Science and Engineering, Alagappa University, Karaikudi, IN
Source
Networking and Communication Engineering, Vol 1, No 4 (2009), Pagination: 184-187Abstract
Wireless Networks are the backbone of modern communication. The development of Wireless Networks over the last decade is enormous and so the challenges are. As the signals are radiated in the free space, it is easier for unauthorized users to sniff, monitor the signal transmitted. Using the data collected, they can easily intrude the network. In this paper, we discuss on the security provided to the wireless transmission with reconfigurable antennas which are giving out various gain levels. By adjusting the gain of the yagi structures, the signal is confined within the required region. This process provides security against the intruders for WLAN.