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Simulation of Direct-Sequence Spread Spectrum Data Transmission System for Reliable Underwater Acoustic Communications

Abstrakt

Underwater acoustic communication (UAC) system designers tend to transmit as much information as possible, per unit of time, at as low as possible error rate. It is a particularly difficult task in a shallow underwater channel in which the signal suffers from strong time dispersion due to multipath propagation and refraction phenomena. The direct-sequence spread spectrum technique (DSSS) applied successfully in the latest standards of wireless communications, gives the chance of reliable data transmission with an acceptable error rate in a shallow underwater channel. It utilizes pseudo-random sequences to modulate data signals, and thus increases the transmitted signal resilience against the inter symbol interference (ISI) caused by multipath propagation. This paper presents the results of simulation tests of DSSS data transmission with the use of different UAC channel models using binary spreading sequences.

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Wersja publikacji
Accepted albo Published Version
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Creative Commons: CC-BY otwiera się w nowej karcie

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Vibrations in Physical Systems nr 30, strony 1 - 8,
ISSN: 0860-6897
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Kochańska I., Schmidt J.: Simulation of Direct-Sequence Spread Spectrum Data Transmission System for Reliable Underwater Acoustic Communications// Vibrations in Physical Systems -Vol. 30,iss. 1 (2019), s.1-8
Bibliografia: test
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  2. I. Kochanska, I. Nissen, J. Marszal, A method for testing the wide-sense stationary uncorrelated scattering assumption fulfillment for an underwater acoustic channel, The Journal of the Acoustical Society of America, 143(2), EL116 -EL120. otwiera się w nowej karcie
  3. R. A. Scholtz, The Origins of Spread-Spectrum Communications , IEEE Transactions on Communications, COM-30, No. 5, May 1982. otwiera się w nowej karcie
  4. H. J. Zepernick, A. Finger, Pseudo Random Signal Processing: Theory and Application, John Wiley & Sons Ltd, 2005. otwiera się w nowej karcie
  5. J. H. Fischer, R. Kendrick et al., A high data rate, underwater acoustic data- communication transceiver, in Proc. Oceans '92, Newport, RI. otwiera się w nowej karcie
  6. G. Loubet, V. Capellano, R. Filipiak, Underwater spread-spectrum communications, in Proc. Oceans '97, Halifax, Canada. otwiera się w nowej karcie
  7. E. M. Sozer , et. al,. Direct sequence spread spectrum based modem for under water acoustic communication and channel measurements, Proceedings of Oceans '99 otwiera się w nowej karcie
  8. MTS/IEEE, 1999. otwiera się w nowej karcie
  9. I. Kochanska, J. Schmidt, A. Schmidt, Measurement of impulse response of shallow water communication channel by correlation method, Hydroacoustics, 20 (2017) 149 -158. otwiera się w nowej karcie
  10. I. Kochanska, J. Schmidt, Estimation of Coherence Bandwidth for Underwater Acoustic Communication Channel, Proceedings of 2018 Joint Conference - Acoustics, 2018. otwiera się w nowej karcie
Weryfikacja:
Politechnika Gdańska

wyświetlono 157 razy

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