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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Candido Silveira Santos Filho, J. Daoud Yacoub, M. Ricardo Mendes, J. Fraidenraich, G. |
| Copyright Year | 2006 |
| Description | Author affiliation: Department of Communications, School of Electrical and Computer Engineering, University of Campinas, PO Box 6101, 13083-852 Campinas, SP, Brazil. Tel: +55 (19) 3788 5106, Fax: +55 (19) 3289 1395, E-mail: gf@wisstek.org (Fraidenraich, G.) || Department of Communications, School of Electrical and Computer Engineering, University of Campinas, PO Box 6101, 13083-852 Campinas, SP, Brazil. Tel: +55 (19) 3788 5106, Fax: +55 (19) 3289 1395, E-mail: michel@wisstek.org (Daoud Yacoub, M.) || Department of Communications, School of Electrical and Computer Engineering, University of Campinas, PO Box 6101, 13083-852 Campinas, SP, Brazil. Tel: +55 (19) 3788 5106, Fax: +55 (19) 3289 1395, E-mail: ricardo@wisstek.org (Ricardo Mendes, J.) || Department of Communications, School of Electrical and Computer Engineering, University of Campinas, PO Box 6101, 13083-852 Campinas, SP, Brazil. Tel: +55 (19) 3788 5106, Fax: +55 (19) 3289 1395, E-mail: candido@wisstek.org (Candido Silveira Santos Filho, J.) |
| Abstract | General exact expressions for the level crossing rate and average fade duration of dual-branch selection, equal-gain, and maximal-ratio combiners operating over non-identical correlated Ricean channels are derived. Sample numerical results are discussed by specializing the general expressions to a space-diversity system with horizontally spaced omnidirectional antennas at the mobile station. When the antennas are perpendicular to the direction of the vehicle motion, the average fade duration is loosely dependent on the antenna spacing and on the Ricean factor, being almost identical to that of the independent fading condition. When the antennas are parallel to the direction of the vehicle motion, the level crossing rate can be reduced below the value obtainable for independent fading signals. In this case, if a line-of-sight component exists, a further improvement in the average fade duration over the independent condition may be also achieved. |
| Starting Page | 5634 |
| Ending Page | 5638 |
| File Size | 4899802 |
| Page Count | 5 |
| File Format | |
| ISBN | 1424403553 |
| ISSN | 81649547 |
| DOI | 10.1109/ICC.2006.255560 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-11 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Diversity methods Fading Directive antennas Genetic expression Mobile antennas Vehicles Statistics Diversity reception Rayleigh channels Time measurement |
| Content Type | Text |
| Resource Type | Article |
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