Analysis of Analog Despreading CDMA Receiver Based on 5-Port Device: Wideband CDMA

Maljevic, Ivo

ISBN 10: 3838302664 / ISBN 13: 9783838302669

Published by LAP Lambert Academic Publishing, 2009

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Bibliographic Details

• Title: Analysis of Analog Despreading CDMA Receiver Based on 5-Port Device: Wideband CDMA
• Publisher: LAP Lambert Academic Publishing
• Publication Date: 2009
• Language: English
• ISBN 10: 3838302664
• ISBN 13: 9783838302669
• Binding: Paperback
• Condition: Like New
• Book Type: book

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Synopsis

High data rates, low power consumption and low complexity are the most important parameters in the design of the next generation mobile terminals. In this thesis we are introducing a new paradigm in the design of a direct sequence (DS) spread spectrum (SS) receiver by combining analog and digital signal processing. The main difference with respect to the conventional all-digital SS receiver design approach is that the proposed mixed analog/digital processing results in a symbol rate sampling rather than the high rate sub-chip sampling. The analog signal despreading is a key part of the proposed receiver solution. The potential advantages of analog despreading are reduced power consumption and low receiver complexity. Also, the proposed receiver solution allows very high chip rates (very high signal bandwidth). The solution is based on a five port device, a passive RF square law type of device. It is used to perform two important tasks at the same time, namely, the direct conversion and the analog despreading.

About the Author

Ivo Maljevic has received the Ph.D. degree from the University of Toronto in 2004. His research interests include CDMA, WiMax systems, and signal processing. Elvino S. Sousa is with the department of Electrical and Computer Engineering at the University of Toronto. Since 1996 he has also been the chair of the Communications Group.