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Pilaka Laxmi Manasa, B. Keerthi Priya
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- Student, Assistant Professor, Department of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering, Visakhapatnam,, Department. of Electronics and Communication Engineering, Gayatri Vidya Parishad College of Engineering (Autonomous), Visakhapatnam, Andhra Pradesh, Andhra Pradesh, India, India
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Abstract
nUnderwater Wireless Sensor Networks (UWSNs), an emerging area, integrate sensing, computing, and communication into a single compact device. The digital data is acquired using an FPGA (Field Programmable Gate Array), and the fusion of numerous sensor data is accomplished in the sensor node’s ARM (Advanced RISC Machine) CPU. The sensor interfacing circuit should connect the sensor to the sensor node’s data collecting system. The data from these sensors may be accessed using the integrated computer’s analog-to-digital converters. There are numerous suggested digital filter kinds that can be implemented on an FPGA. Digital filters must be created for low-frequency, low-power applications. These filters may be evaluated and confirmed using test signals on FPGA proto boards. The use of digital filters aids in a variety of underwater applications, including target identification, signal categorization, and passive sonar applications. Digital filters are chosen over analog filters because they need less hardware, are re-configurable, and are more precise at low frequencies. Power consumption is also an important consideration in underwater systems. This study focuses on the description of digital filter design for underwater data gathering. For underwater sensor data applications, filter improvement is carried out.
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Keywords: Sensing and communication, sonar signal processing, digital filters, VLSI optimization, UWDA (Underwater data acquisition) of sensor node, DDS modulation
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References
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International Journal of VLSI Circuit Design & Technology
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| Volume | 01 |
| Issue | 01 |
| Received | September 6, 2023 |
| Accepted | September 22, 2023 |
| Published | November 6, 2023 |
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