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A new hybrid acquisition scheme for CDMA systems employing short concatenated codes

Title:

A new hybrid acquisition scheme for CDMA systems employing short concatenated codes

Doradla, Vijay (1997) A new hybrid acquisition scheme for CDMA systems employing short concatenated codes. Masters thesis, Concordia University.

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Abstract

With the rapid growth of Personal Wireless Communications in our times and the important role being played by Code Division Multiple Access (CDMA) in the realization of the goals of second generation wireless systems, there is an ever increasing need for the development of better acquisitions techniques along with the study of a variety of techniques. Noting the important role of synchronization in CDMA systems, active research is being carried out to develop synchronization (acquisition+tracking) schemes that suit particular applications. In the first part of this thesis we propose a New Hybrid Acquisition Scheme for CDMA systems employing Short Concatenated Codes. A new coding scheme using short concatenated codes is presented along with a detailed description of a new hybrid acquisition scheme. Simulation studies of the scheme are performed in a multiple access and additive white gaussian noise environment. In the second part of the thesis, a Simplified Analytical Model of the scheme is developed using the state transition flow diagram approach and standard signal flow graph reduction techniques. Expressions for the mean and variance of the acquisition along with the probability of detection are developed. Finally the simplified model is studied in a Rayleigh fading channel.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Thesis (Masters)
Authors:Doradla, Vijay
Pagination:xiv, 131 leaves ; 29 cm.
Institution:Concordia University
Degree Name:Theses (M.A.Sc.)
Program:Dept. of Electrical and Computer Engineering
Date:1997
Thesis Supervisor(s):Elhakeem, Ahmed K.
ID Code:304
Deposited By:Concordia University Libraries
Deposited On:27 Aug 2009 13:11
Last Modified:08 Dec 2010 10:13
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