Physical Modeling of Wide-Band Propagation for Urban Line-of-Sight Mirco-Cellular Mobile and Personal Communications
- 1 January 1997
- journal article
- research article
- Published by Informa UK Limited in Journal of Electromagnetic Waves and Applications
- Vol. 11 (12), 1633-1648
- https://doi.org/10.1163/156939397x00431
Abstract
The work physically models wide-band radio propagation for urban line-of-sight (LOS) micro-cellular mobile and personal communications, including two contributions. First, a more explicit narrow-band channel transfer function for a six-ray model is presented. Second, the corresponding wide-band propagation characteristics are calculated, by extending an existing and validated method originally for rural environments and making it applicable to urban LOS micro-cellular environments. These characteristics are described by time-domain path loss, wide-band path loss, and relative power in frequency domain. Comparisons of these parameters with results calculated by using two-ray model are presented, since the experimental validation of the entire wide-band modeling for two-ray model was made previously. The time-domain path loss interprets power-delay profiles. The wide-band path loss is on the order of narrow-band path loss at a carrier frequency. The relative power in frequency domain ranges a finite bandwidth set by the radio system.Keywords
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