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Efficient CDMA System Design for Highway Microcells Based on Accurate Modeling of Path Loss

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Authors
Min, Seungwook; Bertoni, Henry L.; Kim, Seong-Cheol
Issue Date
1999-04
Publisher
Springer Verlag
Citation
International Journal of Wireless Information Networks, Vol. 6, No. 2, Apr. 1999, pp. 67-77
Keywords
Microcellsslow fadingtwo-slope modelsystem capacityquality of service
Abstract
Out-of-cell interference is an important factor in determining the system capacity of CDMA systems. Out-of-cell interference is influenced by propagation parameters such as slope index s of the path loss model, the standard deviation σ of shadowloss, and the correlation coefficients of shadow loss for propagation from the desired base station and fromthe interfering base station. For line-of-sight (LOS) cells along streets or roadways, propagation may be described by a two-slope model that has smaller slow-fading loss σ and a larger slope index past the breakpoint Rb than thesingle-slope model. As a result, smaller out-of-cell interference is obtained with the two-slope model, leading to system designs having less infrastructure than are obtained using the single-slope model. In this paper we examine how a more realistic prediction of quality of service (QOS) made with the two-slope model leads to cost-effective system designs.
ISSN
1068-9605
Language
English
URI
http://hdl.handle.net/10371/4695
DOI
https://doi.org/10.1023/A:1018835401421

https://doi.org/10.1023/A:1018835401421
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Journal Papers (저널논문_전기·정보공학부)
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