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Based on the red box as shown in the figure, the algorithm consumes 7446 bytes of program storage space out of a maximum 32KB. This data means the algorithm takes about only
23 percent (23%) of the flash memory.
For an optimized and efficient operation, the PMU of IoT Sensor Node should not exceed 50 percent (50%) of total available memory space, even at peak usage. The PMU for the proposed
algorithm is less than 50% in each testing. The proposed algorithm's size is fixed and consumed a small portion of memory space only. The experimental results proved that the proposed
algorithm is lightweight, minimal-consumed memory capacity, and suitable to be implemented on the IoT Sensor Node
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IEEE/ICACT20210221 Slide.13
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