Abstract
The measured results and the results of analysis by the ray tracing method in a real tunnel are compared. The propagation characteristics considering the radiation pattern of an antenna placed inside the tunnel are estimated. By comparison of the measured and analyzed results, the effectiveness and validity of the ray tracing method are shown. The propagation loss and fading in the tunnel are discussed. Further, the propagation characteristic is estimated by considering the radiation pattern of the base station antenna for the tunnel booster system. The analysis demonstrates that the dual radiation pattern is effective for the base station antenna. The variation of the covered area when the radiation pattern is varied is studied.
| Original language | English |
|---|---|
| Pages (from-to) | 1-10 |
| Number of pages | 10 |
| Journal | Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi) |
| Volume | 84 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2001 |
| Externally published | Yes |
Keywords
- Dual radiation pattern antenna
- Fading
- Propagation in tunnel
- Ray tracing method
ASJC Scopus subject areas
- Computer Networks and Communications
- Electrical and Electronic Engineering