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Sensors 2018, 18(4), 1211; doi:10.3390/s18041211

Energy Consumption Research of Mobile Data Collection Protocol for Underwater Nodes Using an USV

1
Acoustic Science and Technology Laboratory, Harbin Engineering University, Harbin 150001, China
2
First Institute of Oceanography, State Oceanic Administration, Qingdao 266100, China
3
College of Engineering, Ocean University of China, Qingdao 266100, China
*
Author to whom correspondence should be addressed.
Received: 1 March 2018 / Revised: 12 April 2018 / Accepted: 12 April 2018 / Published: 16 April 2018
(This article belongs to the Special Issue Underwater Sensing, Communication, Networking and Systems)
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Abstract

The Unmanned Surface Vehicle (USV) integrated with an acoustic modem is a novel mobile vehicle for data collection, which has an advantage in terms of mobility, efficiency, and collection cost. In the scenario of data collection, the USV is controlled autonomously along the planning trajectory and the data of underwater nodes are dynamically collected. In order to improve the efficiency of data collection and extend the life of the underwater nodes, a mobile data collection protocol for underwater nodes using the USV was proposed. In the protocol, the stop-and-wait ARQ transmission mechanism is adopted, where the duty cycle is designed considering the ratio between the sleep mode and the detection mode, and the transmission ratio is defined by the duty cycle, wake-up signal cycles, and USV’s speed. According to protocol, the evaluation index for energy consumption is constructed based on the duty cycle and the transmission ratio. The energy consumption of the protocol is simulated and analyzed using the mobile communication experiment data of USV, taking into consideration USV’s speed, data sequence length, and duty cycle. Optimized protocol parameters are identified, which in turn denotes the proposed protocol’s feasibility and effectiveness. View Full-Text
Keywords: Unmanned Surface Vehicle; data collection; protocol design; energy consumption index Unmanned Surface Vehicle; data collection; protocol design; energy consumption index
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Lv, Z.; Zhang, J.; Jin, J.; Li, Q.; Gao, B. Energy Consumption Research of Mobile Data Collection Protocol for Underwater Nodes Using an USV. Sensors 2018, 18, 1211.

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