Chinese Abstract ..............................................................................................i
English Abstract ..............................................................................................ii
Acknowledgements ...........................................................................................iii
Contents ..........................................................................................................iv
List of Tables ...................................................................................................vi
List of Figures .................................................................................................vii
Glossary of Symbols ......................................................................................ix
1 Introduction .................................................................................................1
1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 1
1.2 Thesis Outline . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Background and Literature Survey.................................................................. 3
2.1 Orthogonal Frequency Division Multiple Access (OFDMA) . . . . . . . . . . . . . . 3
2.1.1 Inter-cell interference coordination . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 4
2.1.2 Soft frequency reuse (SFR) . . . . . . . . . . . . . . . .. . . . . . . . . . .. . . . . . . . 5
2.1.3 Partial frequency reuse (PFR) . . . . . . . . . . . . . .. . . . . . . . . . . . .. . . . . . 6
2.2 Distributed antenna system (DAS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Space-Time Block Code (STBC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.3.1 Orthogonal Space-Time Block Code (OSTBC) . . . . . . . . . . . . . . . . . . . . . 14
2.3.2 Quasi-Orthogonal Space-Time Block Code (QOSTBC) . . . . . . . . . . . . . .. 18
2.3.3 Coordinate Interleaved Orthogonal Design (CIOD) . . . . . . . . . . . . . . . . . . . 19
2.3.4 Extended Orthogonal Space-Time Block Code (EO-STBC) . . . . . . . . . . . . 21
3 Building A Cell Based on Combination of Distributed Antenna Systems
and Cooperative Space-Time Coding................................................................. 24
3.1 System Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
3.1.1 Cell Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.1.2 Channel Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.2 SIR Distribution Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
3.2.1 Approximation of Sum of lognormal random variables . . . . . . . . . . . . . . . . . 33
3.3 Performance analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .. . 38
3.3.1 Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 39
3.3.2 Outage Probability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4 Simulation Results .......................................................................................43
4.1 System Capacity of various sub-channel permutations . . . . . . . . . . . . . . . . 51
5 Conclusion ................................................................................................52
Bibliography ....................................................................................................53
Vita ...............................................................................................................57
|