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The theoretical analysis of nature inspired antenna along with measured results of fabricated prototype is presented in this work. The space between successive antenna elements in form of spirals behaves as a leakage cavity which represents incident wave's amplitude increases by existence of seed's cavity. Our antenna design converts incident signal into high strength signal in term of amplitude which is major requirement in satellite communication system. The proposed design has low profile and improved noise figure which enhance its suitability in satellite communication. The measured results are also found to be in concurrence with simulated results. [ABSTRACT FROM AUTHOR]

Wireless Sensor Network were deployed in a complex environment where the wide range of complex application is mandatory for the services. Such application includes military, agriculture, healthcare, defense, monitoring, surveillance etc. In general sensor nodes were spatially distributed and deployed in remote fashion, usually they are powered up by batteries. These battery powered sensor nodes are pruned to failure due to its power constrained nature. This led many researchers to explore energy efficient context aware routing for Wireless Sensor Networks. Hence a novel energy harvesting based efficient routing scheme is desirable to address the above stated problem. The key idea is to harvest the energy source from the deployed environment. The proposed routing scheme is tested and validated in MATLAB based simulation test bed. The experimental results shows that the proposed routing scheme is robust and meet all the requirements of routing and promising results for energy usage. [ABSTRACT FROM AUTHOR]