Wireless Sensor Networks-A Review

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Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
Recent advances in sensor and wireless communication technologies in conjunction with developments in microelectronics have made available a new type of communication network made of battery-powered integrated wireless sensor devices. This paper introduces the Wireless Sensor Networks (WSNs) as an ad-hoc network and their structure in general and provides a small survey on sensors (nodes) as an embedded mechanism. The survey mainly focuses on the main challenges of these networks, such as the network layers of WSNs, data transfer over WSNs, the approaches for routing and packet management methods and localization of nodes.
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