EECS CSPL SEMINAR SERIES
WINTER TERM 1999

Urbashi Mitra

Dr. Urbashi Mitra

Electrical Engineering Department

Ohio State University

ubli@ee.eng.ohio-state.edu


TUESDAY, MARCH 2
4:30 - 5:30 PM
Room 1003 EECS


"Detection Strategies for Multi-rate DS/CDMA Systems"

Abstract-

Code-Division Multiple-Access (CDMA) is emerging as a potential multiple access method for digital wireless communications. CDMA has properties that make it well suited for bursty or fading channels with cellular topologies, making CDMA particularly attractive for applications such as mobile telephony and personal communications. In this talk, CDMA systems will be reviewed. In addition, design issues and solutions for CDMA systems offering multiple data rates will be considered. Wireless multi-rate systems are necessary in order to accommodate a variety of potentially disparate sources such as voice, data and video. Maximum-likelihood based detection schemes as well as sub-optimal schemes based on minimum-mean squared error criteria will be investigated for multi-rate reception. Current work on cyclic Wiener filters for multi-rate systems will also be reviewed.



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