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Kanika Sharma, International Journal of Advanced Trends in Computer Applications (IJATCA) Volume 3, Number 3, March - 2016, pp. 15-18 ISSN: 2395-3519

International Journal of Advanced Trends in Computer Applications www.ijatca.com

An Enlightment on different Reviews for Wireless Sensor Networks 1

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Kanika Sharma, 2Dr.Rohit Bajaj Department of Computer Science and Engineering, Chandigarh Engineering College Landran, Mohali, India

Abstract: Wireless sensor networks with highly varying requirements and characteristics have found their way in a wide variety of applications. As a result, the hardware and software support issues relating to the specific application requirements was very difficult to discuss. In those wireless sensor networks, where there is close collaboration between application domain experts, hardware designers, and software developers is required to implement efficient system. That field of multidisciplinary research area is particularly problematic .So many algorithms and researches have been presented to make the sensor network so efficient and reliable but each has their own pros and cons. In the current paper, we will be going to enlighten the different researches done by different authors.

Keywords: Wireless Sensor network ,WSN.  A Radio transceiver – with an internal antenna or connection to an external antenna.  A microcontroller – an electronic circuit for interfacing with the sensors.  A battery or an embedded form of energy harvesting.

1. INTRODUCTION Wireless sensor network is a network that is formed by the combination of different sensor nodes to form the cluster in an unattended environment with the capabilities of sensing. These sensor nodes construct and dynamically maintain the structure of the network through wireless communication and transmit the respective data to the Base-Station after aggregating it from all the nodes in the cluster. Sensors node are equipped with a radio transceiver and a set of transducers through which they acquire information about the surrounding environment. Basic Structure of Wireless Sensor Architecture is shown in Figure1.1

Figure 1.1 Basic Architecture of Wireless Sensor Network.

Each Sensor Network Node has typically several parts:-

1.1 Applications of Sensor Networks A set of applications for sensor networks in different fields have already emerged including medicine, agriculture, environment, military, Inventory monitoring, intrusion detection, motion tracking, machine malfunction, toys and many others.  In the medical field sensor networks can be used in physiological parameters of patients such as heartbeat or blood pressure, and report to the hospital when some parameters are altered.  In agriculture, they can be used to monitor climatic conditions of different zones of a large cultivated area and calculate different water or chemicals needs.  In structure health monitoring applications, sensor networks are deployed on structures such as bridges, buildings, aircrafts, rockets etc. to ensure reliability and safety.  Sensor networks can be used to detect and locate damages as well as predict remaining life more effectively and economically with respect to traditional monitoring systems.

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