Analysis of diversity techniques for improving the performance of DS-CDMA data networks
| dc.contributor.author | Wong, Richard S. C. | en_US |
| dc.date.accessioned | 2024-08-15T20:18:28Z | |
| dc.date.available | 2024-08-15T20:18:28Z | |
| dc.date.copyright | 1997 | en_US |
| dc.date.issued | 1997 | |
| dc.degree.department | Department of Electrical and Computer Engineering | |
| dc.degree.level | Master of Applied Science M.A.Sc. | en |
| dc.description.abstract | This dissertation investigates two types of diversity techniques for use in direct sequence code division multiple access wireless communication networks. The first diversity system examined is the maximal-ratio combiner (MRC). Two variations of the MRC are compared over a generalized fading channel. The results reveal that the preselection MRC outperforms finite tap decisions MRC. The combination of a strong specular component and a heavily decayed multipath intensity profile may result in only a minimal degradation of the receiver performance for a finite tap decisions MRC, and pre-selection MRC over the optimal MRC. Time diversity is the second technique examined. Both Poisson and self-similar traffic models are examined for packet data transmiss ion . The results show that the self-similar traffic has a higher normalized throughput than the Poisson traffic . Also, with a reduced number of fingers in the rake receiver, the performance reduction of the systems with a flatter MIP is higher than that of a more steeply decaying MIP. | |
| dc.format.extent | 82 pages | |
| dc.identifier.uri | https://hdl.handle.net/1828/20185 | |
| dc.rights | Available to the World Wide Web | en_US |
| dc.title | Analysis of diversity techniques for improving the performance of DS-CDMA data networks | en_US |
| dc.type | Thesis | en_US |
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