【資料名稱】：Performance of Repeaters in 3GPP LTE

【資料作者】：ANTO SIHOMBING

【資料日期】：2009

【資料語言】：英文

【資料格式】：DOC

【資料目錄和簡介】：

Contents
Chapter 1 INTRODUCTION 1
1.1 Background ........................................................................................................ 1
1.2 Previous work .................................................................................................... 2
1.3 Problem statement.............................................................................................. 2
Chapter 2 LONG TERM EVOLUTION (LTE) 5
2.1 3GPP LTE Overview ......................................................................................... 5
2.2 LTE Transmission Schemes .............................................................................. 6
2.2.1 OFDM ......................................................................................................... 6
2.2.2 SC-FDMA................................................................................................... 7
2.3 Frame Structure.................................................................................................. 9
2.4 Scheduling in LTE ........................................................................................... 10
2.4.1 Downlink Scheduling................................................................................ 11
2.4.2 Uplink Scheduling .................................................................................... 12
2.5 LTE-Advanced................................................................................................. 12
Chapter 3 REPEATER CONCEPT 15
3.1 Repeater Overview........................................................................................... 15
3.1.1 Basic Repeater Design .............................................................................. 16
3.1.2 Antenna Isolation ...................................................................................... 16
3.1.3 On-Frequency and Frequency Shifting Repeaters .................................... 18
3.1.4 Repeater Delay.......................................................................................... 18
3.1.5 Interference and Capacity ......................................................................... 19
3.1.6 Repeater Applications............................................................................... 20
3.2 Two-Hop Communication Model.................................................................... 21
3.3 Advanced Repeater .......................................................................................... 22
3.3.1 Frequency Selective Repetition ................................................................ 23
3.3.2 Repeater Gain Controllability ................................................................... 24
Chapter 4 SYSTEM MODEL 27
4.1 General Scenario.............................................................................................. 27
4.2 Propagation and Channel Model...................................................................... 27
4.3 Repeater Model................................................................................................ 29
4.4 Simulation Models ........................................................................................... 29
4.4.1 Radio Network Simulator ......................................................................... 29
4.4.2 Deployment Scenario................................................................................ 30
4.4.3 User Generation.........................................................................................30
4.5 Simulation Parameters......................................................................................31
4.6 Performance Evaluation ...................................................................................33
4.6.1 SINR Calculation ......................................................................................33
4.6.2 Throughput ................................................................................................33
4.6.3 Object Bit Rate (OBR) ..............................................................................33

Chapter 5 SIMULATION RESULTS35
5.1 Propagation Model ...........................................................................................36
5.2 Number of Repeaters per Cell..........................................................................38
5.3 Repeater Distance from Base Station...............................................................39
5.4 Repeater Gain...................................................................................................40
5.5 Advanced Repeater...........................................................................................43

Chapter 6 CONCLUSION 49
6.1 Conclusion........................................................................................................49
6.2 Future Work .....................................................................................................50

APPENDIX
Appendix A – Simulation time……………………………………………………. 51
Appendix B – Propagation Model………………………………………………… 52
Appendix C – Number of Repeaters per Cell ……………………………………… 55
Appendix D – Repeater Distance ………………………………………………….. 57
Appendix E – Repeater Gain……………………………………………………… 59
Appendix F – Advanced Repeater …………………………………………………. 61

References83