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https://hdl.handle.net/10356/91427| Title: | Measurements of the propagation of UHF radio waves on an underground railway train | Authors: | Zhang, Yue Ping Jiang, Z. R. Ng, Tung Sang Sheng, J. H. |
Keywords: | DRNTU::Engineering::Electrical and electronic engineering::Wireless communication systems | Issue Date: | 2000 | Source: | Zhang, Y. P., Jiang, Z. R., Ng, T. S., & Sheng, J. H. (2000). Measurements of the propagation of UHF radio waves on an underground railway train. IEEE Transactions on Vehicular Technology. 49(4), 1342-1347. | Series/Report no.: | IEEE transactions on vehicular technology | Abstract: | Measurements of the natural propagation of UHF radio waves on an underground train are reported. Of prime interest are the natural propagation attenuation and the median signal level behavior. The propagation attenuation rates or the median signal level behaviors are found to correlate with the train carriages and frequency. On the front carriage, the propagation attenuation rate is 54 dB/100 m at 465 MHz and reduced to 21 dB/100 m at 820 MHz. However, on the rear carriage, it becomes 14.8 dB/100 m at 465 MHz and 7.8 dB/100 m at 820 MHz. It is shown that higher frequency is beneficial to the natural propagation and the train body greatly affects the natural propagation. Furthermore, the values of the path loss exponent are also given. | URI: | https://hdl.handle.net/10356/91427 http://hdl.handle.net/10220/6323 |
ISSN: | 0018-9545 | DOI: | 10.1109/25.875255 | Schools: | School of Electrical and Electronic Engineering | Rights: | © 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
| Appears in Collections: | EEE Journal Articles |
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|---|---|---|---|---|
| Measurements of the propagation of UHF radio waves on an underground railway train.pdf | 93.09 kB | Adobe PDF |  View/Open |
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