ISBN-10:
3639173082
ISBN-13:
9783639173086
Pub. Date:
07/08/2009
Publisher:
VDM Verlag
Digital Processing Techniques For Wcdma Cellular Systems

Digital Processing Techniques For Wcdma Cellular Systems

by Alan Wc TanAlan Wc Tan

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Overview

Baseband processing techniques for Code Division
Multiple Access (CDMA) systems generally fall into two broad categories: error coding and signal spreading. This thesis addresses these issues for the Wideband CDMA (WCDMA) baseband receiver. The
Third Generation Partnership Protocol (3GPP)
standards will be used in specifying the system model. 3GPP systems support two forms of error coding, i.e., convolutional coding and Turbo coding.
A Viterbi decoder is developed for convolutional codes to optimize the likelihood of the estimated information sequence. For Turbo coding, a Turbo decoder, which attempts to maximize the log-
likelihood ratio of each information bit, is introduced. The 3GPP standards also specify long and short codes for signal spreading. For long codes,
linear estimation techniques are designed based on specific cost and constraint functions. For short codes, adaptive estimation techniques, which minimize the mean-square error (MSE) cost, are presented.

Product Details

ISBN-13: 9783639173086
Publisher: VDM Verlag
Publication date: 07/08/2009
Pages: 140
Product dimensions: 0.33(w) x 6.00(h) x 9.00(d)

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