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Underwater Acoustic Signal Acquisition and Sensing Using a Ring Vector Sensor Communication Receiver: Theory and
Rami Rashid1, Erjian Zhang1, Ali Abdi1
1Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA.
Sensors (Basel, Switzerland)
|August 12, 2023
Summary
This study introduces a novel ring vector sensor receiver for underwater acoustic communication. This multichannel receiver enhances signal acquisition and packet detection by utilizing underwater acoustic vector field components.
Area of Science:
- Underwater acoustics
- Signal processing
- Communication systems
Background:
- Signal acquisition in underwater systems faces challenges due to low signal strength amidst background noise.
- Traditional receivers often rely on scalar components, limiting performance.
Purpose of the Study:
- To present a ring vector sensor communication receiver designed to enhance underwater signal acquisition.
- To compare the performance of vector components against scalar components for signal detection.
Main Methods:
- Developed and implemented a multichannel receiver utilizing an underwater acoustic vector sensor.
- Measured particle velocities (vector components) and scalar field components of the acoustic field.
- Analyzed signal acquisition performance using experimental data.
Main Results:
- The ring vector sensor receiver demonstrated higher signal acquisition probabilities using vector components compared to the scalar component.
- Experimental data confirmed the improved performance attributed to vector field characteristics.
- Combining channels of the multichannel receiver further boosted signal acquisition and packet detection probability.
Conclusions:
- The proposed ring vector sensor receiver significantly improves signal acquisition in underwater acoustic communication.
- Utilizing vector field components offers a substantial advantage over scalar-only approaches.
- Multichannel integration enhances overall system reliability and performance.
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