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Abstract
Wireless data transmission in the hydroacoustic channel under non-line-of-sight (NLOS) propagation conditions, for example, during a wreck penetration, is difficult to implement reliably. This is mostly due to the multipath propagation, which causes a reduction in the quality of data reception. Therefore, in this work an attempt has been made to develop a reliable method of wireless underwater communication test it under the NLOS conditions. In our method, we used multiple frequency-shift keying (MFSK) modulation, sending a single bit on two carriers, and diversity combining. The method was tested in laboratory conditions which simulated underwater signal propagation during the penetration of the wreck. The propagation conditions were investigated by determining the impulse responses at selected measurement points using the correlation method. Additionally, for comparison, the data transmission quality was determined by the bit error rate (BER) under the same conditions using direct sequence spread spectrum (DSSS) and binary phase shift keying (BPSK) modulation. The obtained results confirmed the usefulness of the application of the developed method for wireless data transmission in a hydroacoustic channel under NLOS conditions.
Citations
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4
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0
Web of Science
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9
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Authors (4)
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Jerzy Mizeraczyk
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Ryszard Studanski, dr inż.
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Andrzej Zak
Cite as
Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s21237825
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
SENSORS
no. 21,
ISSN: 1424-8220 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Mizeraczyk J., Studanski, R., Zak A., Czapiewska A.: A Method for Underwater Wireless Data Transmission in a Hydroacoustic Channel under NLOS Conditions// SENSORS -,iss. 21(23) (2021),
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s21237825
- Verified by:
- Gdańsk University of Technology
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