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Articles by keyword HF communication
Expanding undistorted transmission bandwidth for HF communications by leveraging the physical effect of intramode dispersion type transition

D.V. Ivanov1, V.A. Ivanov2, V.V. Ovchinnikov3

1–3 Volga state university of technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net, 2 IvanovVA@volgatech.net, 3 OvchinnikovVV@volgatech.net

Method and adaptive algorithms for narrowband interferences mitigation and automatic signal detection in the problem of sensor diagnosis of multiple HF radio channels

D.V. Ivanov1, V.A. Ivanov2, A.A. Elsukov3, N.V. Ryabova4, V.V. Ovchinnikov5, N.R. Isaev6

1-5 Volga State University of Technology (Yoshkar-Ola, Russia)

6 Scientific and Educational Center for Aerospace Defense “Almaz - Antey” n.a. Academician V.P. Efremov (Moscow, Russia)

1 IvanovDV@volgatech.net; 2 IvanovVA@volgatech.net; 3 ElsukovAA@volgatech.net; 4 RyabovaNV@volgatech.net; 5 OvchinnikovVV@volgatech.net; 6 inekitr9711@gmail.com

Dispersion effects in ionospheric radio channels Part 1. Models of wave packet propagation in ionospheric dispersive channels

D.V. Ivanov1, V.A. Ivanov2, M.I. Ryabova3, V.V. Ovchinnikov4

1-4 Volga State University of Technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net; 2 IvanovVA@volgatech.net; 3 RyabovaMI@volgatech.net; 4 OvchinnikovVV@volgatech.net

Dispersion effects in ionospheric radio channels Part 1. Models of wave packet propagation in ionospheric dispersive channels

D.V. Ivanov1, V.A. Ivanov2, M.I. Ryabova3, V.V. Ovchinnikov4

1-4 Volga State University of Technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net; 2 IvanovVA@volgatech.net; 3 RyabovaMI@volgatech.net; 4 OvchinnikovVV@volgatech.net

Dispersion effects in ionospheric radio channels Part 2. Types of time-frequency dispersion

D.V. Ivanov1, V.A. Ivanov2, M.I. Ryabova3, V.V. Ovchinnikov4

1-4 Volga State University of Technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net; 2 IvanovVA@volgatech.net; 3 RyabovaMI@volgatech.net; 4 OvchinnikovVV@volgatech.net

Enhancing the reliability of short message reception by simultaneously using frequency-time spreading and sensor diagnostics

D.V. Ivanov1, V.A. Ivanov2, N.V. Ryabova3, A.R. Laschevsky4

1–4 Volga State University of Technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net, 2 IvanovVA@volgatech.net, 3 RyabovaNV@volgatech.net, 4 LashhevskijAR@volgatech.net

Dispersion effects in ionospheric radio channels Part 3. Intramode dispersion and technology of wideband HF communications

D.V. Ivanov1, V.A. Ivanov2, M.I. Ryabova3, V.V. Ovchinnikov4

1-4 Volga State University of Technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net; 2 IvanovVA@volgatech.net; 3 RyabovaMI@volgatech.net; 4 OvchinnikovVV@volgatech.net

Prediction of the ionospheric usable bandwidth of a HF radio communication line Part 1. Theoretical and experimental bases of a new cognitive approach to MUF diagnosis and prediction

D.V. Ivanov1, V.A. Ivanov2, N.V. Ryabova3, N.A. Konkin4, A.A. Chernov5

1-5 Volga State University of Technology (Yoshkar-Ola, Russia)

1 IvanovDV@volgatech.net; 2 IvanovVA@volgatech.net; 3 RyabovaNV@volgatech.net;
4 KonkinNA@volgatech.net; 5 ChernovAA@volgatech.net