Current Scenario in WSNs
Journal Title: International Journal of Advanced Research in Computer Engineering & Technology(IJARCET) - Year 2012, Vol 1, Issue 4
Abstract
WSNs have a number of sensor nodes which are extremely small in size, consuming low power and costing less. WSNs overweigh traditional network in the areas of deployment, scalability, ease of use and mobility. Due to lack of structure and resources, WSNs have a few limitations as compared to the traditional network. Middleware is a software that fills the gap or glues together the network hardware, network stacks, Operating System and applications. A middleware should facilitate development, deployment, execution and maintenance of sensing based applications. It should provide ways to achieve maximum utilization of system resources; an environment that is capable of handling various applications. A middleware is an approach that meets the design and implementation challenges of WSN technologies. Each device (i.e., sensor node) requires an operating system (OS) which will act as a manager in controlling the sensor nodes helps in filling the gaps between application and the hardware and last but not the least will provide hardware abstraction to the application software. These Oss are totally unlike our traditional OSs. OS a resource manager comprising of various programs that help in managing various resources like memory, I/O devices, file system etc. is not at all suitable for WSNs. This is so because in WSNs the sensors are constrained with limited resources like memory, power, dynamic topology and various data centric applications.
Authors and Affiliations
Vandana Jindal , A K Verma , Seema Bawa
Keywords
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