Ofdm-Based Cooperative Communications in a Single Path Relay Network and a Multiple Path Relay Network

OFDM-based Cooperative Communications in a Single Path Relay Network and a Multiple Path Relay Network

A Thesis Presented to The Academic Faculty by

Victor Kai Yuen Wu

In Partial Fulfillment of the Requirements for the Degree Master of Science

School of Electrical and Computer Engineering Georgia Institute of Technology December 2006

OFDM-based Cooperative Communications in a Single Path Relay Network and a Multiple Path Relay Network

Approved by:

Dr. Ye (Geoffrey) Li, Advisor School of Electrical and Computer Engineering Georgia Institute of Technology Dr. John R. Barry School of Electrical and Computer Engineering Georgia Institute of Technology Dr. Gordon St¨ber u School of Electrical and Computer Engineering Georgia Institute of Technology

Date Approved: November 8, 2006

ACKNOWLEDGEMENTS

I would like to thank Professor Li for being my academic advisor for the past year. His support and advice has made this thesis possible. I would also like to thank Professor Barry and Professor St¨ber for reading this thesis. u

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TABLE OF CONTENTS
ACKNOWLEDGEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LIST OF TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LIST OF FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii vi vii ix 1 1 2 3 4 5 5 5 7 8 9 10 10 13 14 14 19 27 27 27 30 31 32 33

SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 1.2 1.3 1.4 II Motivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Literature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OFDM in Cooperative Communications . . . . . . . . . . . . . . . . . . . Organization of Thesis . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SINGLE PATH RELAY NETWORK . . . . . . . . . . . . . . . . . . . . . 2.1 Amplify-and-Forward . . . . .

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