Low Power Design of Efficient Wireless Sensor Node

Abstract

Abstract: The escalating demand for rapid, efficient System on Chip (SoC) designs has intensified the need for low-power solutions, particularly in Wireless Sensor Nodes reliant on battery power. This research centers on leveraging clock gating to curtail dynamic power usage in an 8-bit Arithmetic and Logic Unit (ALU). Employing the Hans-Carlson Adder for addition and a 4x4 approximation multiplier, the ALU processes data from a humidity sensor module. Simulations using Xilinx Vivado reveal a substantial 65–73% reduction in power consumption at higher frequencies. This ALU, adept at minimizing power, emerges as a viable processing element for energy-sensitive sensor node applications, ensuring prolonged operational longevity.