The Journal of Engineering Research (공학논문집)
- Volume 3 Issue 1
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- Pages.97-106
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- 1998
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- 1738-7086(pISSN)
Performance Analysis for Optimization of the Wireless Local Loop System
WLL (Wireless Local Loop) 시스템의 최적화를 위한 성능 분석
- Hwang, Sang-Woo (Division of Computer, Electronic, and Information Engineering, Paichai University) ;
- Park, Doo-Yeong (Division of Computer, Electronic, and Information Engineering, Paichai University)
- Published : 1998.12.30
Abstract
In this paper, we analyze the WLL systems with high chip rate, which virtually eliminates the multipath fading effects by appling space diversity functions. First, we found out the capacity of reverse link which resulted from performing computer simulation of the transmission and reception of the WLL systems to evaluate the performance of the WLL systems in real environment. Besides, we analyze the radio propagation medium and the link budget and from the results, made RCSU for providing of the AWGN multipath fading channel. This RCSU is produced to characterize the urban radio propagation medium in various environments. From the simulation results, diversity gains increase as depth of fading becomes deeper. We also confirm that the systems applied diversity reduce the effects of multipath fading phenomena which cause to degrade the performance of WLL systems, based on the results
본 논문에서는 높은 칩율을 갖는 WLL CDMA 시스템이 공간다이버시티 기능을 적용함으로써 다 경로 페이딩의 영향을 줄일 수 있음을 분석한다. 먼저, WLL