Improved Path Loss Models for Radiowave Propagation in Suburban Environment in The Universiti Putra Malaysia Campus and Taman Sri Serdang
This thesis describes the development of a new path loss prediction model called Lp4 and an improved COST231-Walfisch-Ikegami (ICWI) model in suburban environment in Universiti Putra Malaysia campus and Taman Sri Serdang. The measurements were performed in line-of-sight propagation (for open terr...
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| Format: | Thesis |
| Language: | English English |
| Published: |
2005
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| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/6225/1/FS_2005_20.pdf |
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| Summary: | This thesis describes the development of a new path loss prediction model called Lp4 and
an improved COST231-Walfisch-Ikegami (ICWI) model in suburban environment in
Universiti Putra Malaysia campus and Taman Sri Serdang. The measurements were
performed in line-of-sight propagation (for open terrain) and non-line-of propagation (for
vicinity of building). The measurement system consists of a spectrum analyzer and a logperiodic
antenna. The measured path losses have been compared with various
propagation prediction models and results show that these entire models were not in good
agreement with the measured path losses. The accuracies of the Lp4 and ICWI models
were found to be within (3.00f 0.26)% of relative mean error for all measurement
frequencies. A computer program FEPL integrating both models was developed using Agilent VEE . The FEPL program provides the utility for calculating the signal
characteristics of radio propagation paths and is realized in the run time version. This
program offers path loss results for both open terrain path loss (OTPL) and building
environment path loss (BEPL). |
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