Advanced SDR-Based Custom OFDM Protocol for Improved Data Rates in HF-NVIS Links
Abstract
:1. Introduction
- 1.
- HF propagation and SNR analysis: an extension of the HF NVIS ionospheric propagation studies and an analysis of the potential for implementing new protocols in the HF range to enhance data communications.
- 2.
- Implementation and evaluation of a novel concept for the HF range—a custom OFDM system with aggregated channels using SDR: practical implementation and evaluation of an OFDM system with aggregated channels for HF data communication under laboratory and real conditions.
- 3.
- Development of digital signal processing hardware and software: development of the hardware system and software applications required for the efficient transmission and reception of data in the RF spectrum.
- 4.
- User interface development: develop an intuitive interface for HF data communication.
- 5.
- Demonstration of system performance to users and investors: the validation of the system under real-world conditions and the presentation of practical results that demonstrate reliability to potential users and investors.
2. Materials and Methods
2.1. Setting up the GNU Radio Environment
2.2. Custom Python Block Development
2.3. Transmitter Application Flow Chart Development
2.4. Receiver Application Flow Chart Development
2.5. Development of a Standalone Application
- ✓
- Flowgraph Design of GNU Radio
- ✓
- Integration with Python Script
- ✓
- Qt-based graphical user interface (GUI)
- ✓
- Develop the standalone application
- ✓
- Testing and optimization
3. Results and Discussion
3.1. Laboratory Conditions
3.2. Real Field Conditions
- ✓
- The fixed transmitter system comprises the following hardware components:
- ✓
- Mobile Receiver System (Figure 19b)
- ✓
- The transmission and reception of messages:
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
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Șorecău, E.; Șorecău, M.; Bechet, P. Advanced SDR-Based Custom OFDM Protocol for Improved Data Rates in HF-NVIS Links. Appl. Sci. 2024, 14, 10841. https://doi.org/10.3390/app142310841
Șorecău E, Șorecău M, Bechet P. Advanced SDR-Based Custom OFDM Protocol for Improved Data Rates in HF-NVIS Links. Applied Sciences. 2024; 14(23):10841. https://doi.org/10.3390/app142310841
Chicago/Turabian StyleȘorecău, Emil, Mirela Șorecău, and Paul Bechet. 2024. "Advanced SDR-Based Custom OFDM Protocol for Improved Data Rates in HF-NVIS Links" Applied Sciences 14, no. 23: 10841. https://doi.org/10.3390/app142310841
APA StyleȘorecău, E., Șorecău, M., & Bechet, P. (2024). Advanced SDR-Based Custom OFDM Protocol for Improved Data Rates in HF-NVIS Links. Applied Sciences, 14(23), 10841. https://doi.org/10.3390/app142310841