التفاصيل البيبلوغرافية
| العنوان: |
System and Measurements for Analysis of Near Vertical Ionospheric Skywave Propagation in the High Frequency Range. |
| المؤلفون: |
Bechet, Paul, Gheorghevici, Marius, Mitran, Radu, Mircea Scortar, Radu, Todorov, Teodor, Miclaus, Simona |
| المصدر: |
Acta Electrotehnica; 2015, Vol. 56 Issue 4, p157-164, 8p |
| مصطلحات موضوعية: |
DATA transmission systems, IONOSPHERIC radio wave propagation, IONOSONDES, RADIOSONDES |
| مصطلحات جغرافية: |
ROMANIA |
| مستخلص: |
Design and testing of a system able to characterize the quality of radio link in high frequency range are presented with the objective of providing a starting point for efficient planning of data communication over restricted areas belonging to the territory of Romania. A swept spectrum analyzer cored setup was used in parallel to a Software Defined Radio platform cored setup that enabled determination of capabilities and limitations in describing essential parameters of the momentary availability of data radio link. Ionospheric channels used in experimental session were chosen based on nowcasting data provided by the European Ionosondes System for a radio link 100 km long. The results confirm the necessity of real time description of the ionospheric channel for best performance and stable data rate communication in highly variable conditions of ionospheric behavior. [ABSTRACT FROM AUTHOR] |
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