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ABSTRACT
The study measured RF energy towards the design, optimization, and development of an efficient RF energy harvesting system in Katsina State, Nigeria. An SRM - 3006 22 (Selective Radiation Meter), frequency selective measuring system was used for the environmental measurement of the high-frequency electromagnetic fields. For each location, a set of measures were taken in numerous zones to better understand each frequency band's variations throughout the study area. This would provide a range of expected power densities and after data post- processing an estimation of the energy that could be harvested in each environment. An SRM - 3006 22 Selective Radiation Meter (-75 to + 16dBm), frequency selective measuring system from NARDA Safety Test Solutions was used for the environmental measurement of the high frequency electromagnetic fields. Each unit of the system was separately modeled, simulated and analyzed using the communication toolbox in high level language MATLAB/SIMULINK environment and CST studio SUITE 3-D electromagnetic simulator. The study's findings indicated that the Received Signal Strength (RSS) values measured in this research vary from -2 to 37dB, and the average power of selected frequently used low power energy devices range from 2.9 to 12 mW which is equivalent to about 4.62 dBm to 10.79 dBm. Comparing this budget with the measured RSS values in Katsina Metropolis shows that there is available RF energy that can be harvested for powering low energy devices in the study area towards design, optimization and development of RFE Harvesting System.
Keywords: Radio Frequency; Energy Harvesting; Cellular Networks; Mobile Phones.
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