DocumentCode
2241118
Title
Quantifying code orthogonality factor for UTRA-FDD down-links
Author
Hunukumbure, M. ; Beach, M.A. ; Allen, B.H.
Author_Institution
Univ. of Bristol, UK
fYear
2002
fDate
8-10 May 2002
Firstpage
185
Lastpage
190
Abstract
The degradation of code orthogonality due to multi-path propagation has a direct impact on DS-CDMA system performance. A novel approach in deriving the orthogonality factor, which quantifies this degradation, is presented. Code orthogonality factors for realistic radio channels are calculated and the results analysed. The extension of the derivation to cover down-link beamforming investigates its effectiveness in preserving code orthogonality.
Keywords
3G mobile communication; cellular radio; code division multiple access; frequency division multiplexing; multipath channels; radio access networks; spread spectrum communication; DS-CDMA system performance; UMTS terrestrial radio access network design; UTRA network; UTRA-FDD; code orthogonality; degradation; down-link beam forming; multi-path propagation; orthogonality factor; radio channels;
fLanguage
English
Publisher
iet
Conference_Titel
3G Mobile Communication Technologies, 2002. Third International Conference on (Conf. Publ. No. 489)
ISSN
0537-9989
Print_ISBN
0-85296-749-7
Type
conf
DOI
10.1049/cp:20020386
Filename
1032020
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