Performance of underwater data transmission using incoherent modulation MFSK in very shallow waters

• Autorzy: Schmidt Jan H. , Schmidt Aleksander M. , Kochańska Iwona , Studański Ryszard , Żak Andrzej

Identyfikatory

DOI

10.24425/ijet.2024.152071

• Języki publikacji: EN

Abstrakty

EN

Ensuring universal and stable underwater communication in shallow waters for various environmental conditions is a difficult scientific and engineering task. This applies in particular to underwater communication systems that use acoustic waves in very shallow underwater channels, where multipath propagation permanently occurs. The article provides assumptions for a system working with incoherent M-ary Frequency-Shift Keying (MFSK) modulation, along with guidelines for eliminating the impact of the multipath phenomenon. The results of experimental tests carried out in a lake for two seasons and, therefore, different sound velocity profiles are presented. For comparison purposes, three transducers placed at different depths, including at the bottom of the reservoir, were used to receive the transmitted signals.

Słowa kluczowe

EN

underwater acoustic communications; multipath propagation; MFSK; very shallow waters

• Wydawca: Polish Academy of Sciences, Committee of Electronics and Telecommunication
• Czasopismo: International Journal of Electronics and Telecommunications
• Rocznik: 2024
• Tom: Vol. 70, No. 4
• Strony: 861--869
• Opis fizyczny: Bibliogr. 30 poz., rys.

Twórcy

autor

Schmidt Jan H.

• Gdańsk University of Technology

autor

Schmidt Aleksander M.

• Gdańsk University of Technology

autor

Kochańska Iwona

• Gdansk University of Technology

autor

Studański Ryszard

• Gdynia Maritime University

autor

Żak Andrzej

• Polish Naval Academy

Bibliografia

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Uwagi

1. Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).

2. This work was supported by the National Centre for Research and Development under Project DOB-SZAFIR/01/B/017/04/2021.