Abstract
WSNs are evolving as both a vital new domain in the IT environment and a hot research including system design, networking, and distributed algorithms, programming models, data management, security and social components. Wireless sensor networks are rapidly picking up the popularity as they are potentially low cost solutions. The fundamental thought of sensor network is to scatter minor sensing gadgets over a particular geographic zone for some specific purposes like target tracking, surveillance, environmental screening and so on. These tiny devices are equipped for sensing a few progressions of parameters and communicating with different units. Since the network is wireless, the nodes communicate with each other via means of wireless. The wireless sensor network is interfaced with the outside world by a gateway server or controlling server. This paper focuses on the detailed survey of various clustering approaches used in wsn.
Highlights
A Wireless Sensor Network or wireless sensor network (WSN) is supposed to be made up of a large number of sensors and at least one base station
Communication failures: If any node in the WSN fails to exchange data with other nodes, it should be informed without delay to the base station or gateway node
Hierarchy provided by clustering techniques is an efficient approach to meet such requirements
Summary
A Wireless Sensor Network or WSN is supposed to be made up of a large number of sensors and at least one base station. The sensors are autonomous small devices with several constraints like the battery power, computation capacity, communication range and memory They are supplied with transceivers to gather information from its environment and pass it on up to a certain base station, where the measured parameters can be stored and available for the end user. Sensor nodes are the main component of sensor network Their main objectives are making discrete, local measurement about phenomenon surrounding these sensors, forming a wireless network by communicating over a wireless medium, and collect date and rout data back to the user via sink (Base Station). The sink (Base Station) communicates with the user via internet or satellite communication It is located near the sensor field or well-equipped nodes of the sensor network. The user who is interested in obtaining information about specific phenomenon to measure/monitor its behavior
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