Proteus II: Design and Evaluation of an Integrated Power-Efficient Underwater Sensor Node

W.A.P. van Kleunen, N.A. Moseley, Paul J.M. Havinga, Nirvana Meratnia

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)
139 Downloads (Pure)

Abstract

We describe the design and evaluation of an integrated low-cost underwater sensor node designed for reconfigurability, allowing continuous operation on a relatively small rechargeable battery for one month. The node uses a host CPU for the network protocols and processing sensor data and a separate CPU performs signal processing for the ultrasonic acoustic software-defined Modulator/Demodulator (MODEM). A Frequency Shift Keying- (FSK-) based modulation scheme with configurable symbol rates, Hamming error correction, and Time-of-Arrival (ToA) estimation for underwater positioning is implemented. The onboard sensors, an accelerometer and a temperature sensor, can be used to measure basic environmental parameters; additional internal and external sensors are supported through industry-standard interfaces (I2C, SPI, and RS232) and an Analog to Digital Converter (ADC) for analog peripherals. A 433 MHz radio can be used when the node is deployed at the surface. Tests were performed to validate the low-power operation. Moreover the acoustic communication range and performance and ToA capabilities were evaluated. Results show that the node achieves the one-month lifetime, is able to perform communication in highly reflective environments, and performs ToA estimation with an accuracy of about 1-2 meters.
Original languageUndefined
Article number791046
Pages (from-to)791046
Number of pages10
JournalInternational journal of distributed sensor networks
Volume2015
DOIs
Publication statusPublished - 25 Aug 2015

Keywords

  • EC Grant Agreement nr.: FP7/611449
  • EWI-26339
  • IR-98653
  • METIS-314978
  • Underwater Acoustic Networks Scheduling Communication

Cite this

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title = "Proteus II: Design and Evaluation of an Integrated Power-Efficient Underwater Sensor Node",
abstract = "We describe the design and evaluation of an integrated low-cost underwater sensor node designed for reconfigurability, allowing continuous operation on a relatively small rechargeable battery for one month. The node uses a host CPU for the network protocols and processing sensor data and a separate CPU performs signal processing for the ultrasonic acoustic software-defined Modulator/Demodulator (MODEM). A Frequency Shift Keying- (FSK-) based modulation scheme with configurable symbol rates, Hamming error correction, and Time-of-Arrival (ToA) estimation for underwater positioning is implemented. The onboard sensors, an accelerometer and a temperature sensor, can be used to measure basic environmental parameters; additional internal and external sensors are supported through industry-standard interfaces (I2C, SPI, and RS232) and an Analog to Digital Converter (ADC) for analog peripherals. A 433 MHz radio can be used when the node is deployed at the surface. Tests were performed to validate the low-power operation. Moreover the acoustic communication range and performance and ToA capabilities were evaluated. Results show that the node achieves the one-month lifetime, is able to perform communication in highly reflective environments, and performs ToA estimation with an accuracy of about 1-2 meters.",
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Proteus II: Design and Evaluation of an Integrated Power-Efficient Underwater Sensor Node. / van Kleunen, W.A.P.; Moseley, N.A.; Havinga, Paul J.M.; Meratnia, Nirvana.

In: International journal of distributed sensor networks, Vol. 2015, 791046, 25.08.2015, p. 791046.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - van Kleunen, W.A.P.

AU - Moseley, N.A.

AU - Havinga, Paul J.M.

AU - Meratnia, Nirvana

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AB - We describe the design and evaluation of an integrated low-cost underwater sensor node designed for reconfigurability, allowing continuous operation on a relatively small rechargeable battery for one month. The node uses a host CPU for the network protocols and processing sensor data and a separate CPU performs signal processing for the ultrasonic acoustic software-defined Modulator/Demodulator (MODEM). A Frequency Shift Keying- (FSK-) based modulation scheme with configurable symbol rates, Hamming error correction, and Time-of-Arrival (ToA) estimation for underwater positioning is implemented. The onboard sensors, an accelerometer and a temperature sensor, can be used to measure basic environmental parameters; additional internal and external sensors are supported through industry-standard interfaces (I2C, SPI, and RS232) and an Analog to Digital Converter (ADC) for analog peripherals. A 433 MHz radio can be used when the node is deployed at the surface. Tests were performed to validate the low-power operation. Moreover the acoustic communication range and performance and ToA capabilities were evaluated. Results show that the node achieves the one-month lifetime, is able to perform communication in highly reflective environments, and performs ToA estimation with an accuracy of about 1-2 meters.

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