영문목차
Title page=0,1,4
CONTENTS=0,5,1
LIST OF FIGURES=0,6,1
LIST OF TABLES=0,7,1
ABSTRACT=0,8,2
I. INTRODUCTION=1,10,3
II. THE OVERVIEW OF THE OFDMA SYSTEMS=4,13,1
2.1 Overview of the OFDMA=4,13,2
2.2 Random Access in the OFDMA system=5,14,2
2.3 Random access based spreading technique=6,15,2
III. PROPOSED COEXISTENCE SYSTEM STRUCTURE OF THE OFDMA AND WCDMA=8,17,1
3.1 System Model based on the OFDMA=8,17,10
3.2 Random access procedure in proposed system=18,27,2
3.3 Subcarrier allocation procedure in proposed system=19,28,5
IV. COMPUTER SIMULATION=24,33,1
4.1 Performance of the real-time response service=25,34,5
4.2 Performance of the delay insensitivity services=30,39,5
V. CONCLUSION=35,44,1
VI./(VII) REFERENCES=36,45,2
Figure3.1 The region of the available modulation mode according to the distance from the BS in the coexistence system=10,19,1
Figure3.2 The structure of the frequency band of the coexistence system=11,20,1
Figure3.3 The received signal sensitivity and the noise floor at the BS in the coexistence system=12,21,1
Figure3.4 The received signal sensitivity and the noise floor at the BS when two real-time response service users exist in the system=16,25,1
Figure3.5 The received signal sensitivity and the noise floor at the BS when eleven real-time response service users exist in the system=17,26,1
Figure3.6 The region of the available modulation mode when two real-time response service users exist in the system=22,31,1
Figure3.7 The region of the available modulation mode when eleven real-time response service users exist in the system=23,32,1
Figure4.1 The offered traffic in the system according to the arrival rate and the number of real-time response service users=27,36,1
Figure4.2 The comparison of the average access delay performance of the real-time response service according to the number of real-time response service users under various arrival rates=28,37,1
Figure4.3 The comparison of the average total throughput performance of the real-time response service according to the number of real-time response service users under various arrival rates=29,38,1
Figure4.4 The comparison of the average total throughput performance of the non real-time response service without the real-time response service users under the Pedestrian A channel model=32,41,1
Figure4.5 The comparison of the average total throughput performance of the non real-time response service when two real-time response service users exist in the system under the Pedestrian A channel model=33,42,1
Figure4.6 The comparison of the average total throughput performance of the non real-time response service when eleven real-time response service users exist in the system under the Pedestrian A channel model=34,43,1
Table3.1 The system parameters I=15,24,1
Table4.1 The system parameters II=24,33,1