Abstract
WSN is a technology, straddling many application areas of this millennium. The research and practices in WSN have not mended their ways due to many unjust requirement specifications for WSN architecture. The paradox is WSN characteristics and traditional approaches for network operation are diagonally opposite. Power optimization, resource constraints and small form factor are the main characteristics of the WSN node. Taking into consideration these main characteristics, the ‘SWiFiNet’: a task distributed reusable architecture for WSN has been proposed in this paper. The focus of this architecture developed is to identify and reuse system components while preserving the sensor node characteristics. The complex network functionality is pushed onto overlay second tier devices, leaving sensor free for application development. This work demonstrates the implementation of ‘SWiFinet’ on hardware platform and network simulator using complete portability of reusable system components. Simulation and hardware results have been presented which illustrate that ‘SWiFiNet’ performs better and are application independent generic framework for WSN application development.
Highlights
Wireless Sensor Network (WSN) technology is holding many promises for the future short-range wireless communication enabled applications
‘SWiFiNet’: a task distributed reusable architecture for WSN has been inspired by earlier researchers who worked on the concepts based on the parameters/keywords discussed above
Since the routing load is an important parameter in WSN in perspective of power consumption SWiFiNet adopted reactive approach to set up the network
Summary
WSN technology is holding many promises for the future short-range wireless communication enabled applications. It is influenced by the traditional network characteristic like mesh topology, self organizing network, large scalable network etc. The result is a plethora of wireless interfaces appropriate for a certain class of applications; but almost no interoperability between them [3] This approach has resulted in horizontal system models leaving little space for reusability and slimness, which are most desirable requirements of WSN. Hierarchical network, network dynamics, data transfer models, scalability and energy optimization using scheduling are desirable features of the reusable WSN architecture
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