臺灣博碩士論文加值系統

下一代的接取網絡為了達到成本效益，目前正在推動整合有線和無線服務方法，以便提供最終用戶更多的選擇、更高的便利性和各種寬頻服務。因此本研究提出了一個利用相位調變器建構的微波光纖系統，同時整合光纖到家及微波光纖以提供多重服務接取網路。本架構中，利用單一雷射光源當作用戶的光載波，同時經由一條光纖傳送有線訊號及無線訊號，達到混合傳輸的目的。由實驗結果證明用戶的有線訊號及無線訊號品質皆可達到要求規範，此系統經濟與靈活之特性可滿足未來光纖通訊網路的需求。

In the future, access networks are driving the convergence of wireline and wireless networks to offer end users greater choice, convenience and variety in an efficient way. This study proposed a radio-over-fiber (RoF) system based on phase modulation technique, integrating fiber-to-the-home (FTTH) and RoF systems, are promising for multi-service access networks. This scheme can transmit both wireline and wireless signals on a single wavelength over a single fiber, which serves these two applications simultaneously. Experimental results show that the quality of wireline and wireless signals can be achieved user’s requirements. The system is sufficient to meet the standard of future communication network.

摘　要 I
Abstract II
Acknowledgements III
Contents IV
Figure Captions VI
Chapter 1 Introduction 1
1.1 Optical Fiber Communication 1
1.1.1 Fiber to the x 1
1.1.2 Radio-over-Fiber 3
1.2 Motivation 5
1.3 Structure 6
Chapter 2 Hybrid Wireline and Wireless Transport Systems 7
2.1 Introduction 7
2.2 Review of the Literature 9
2.2.1 Wired and Wireless Services on a Single Wavelength Using PolMUX and Wavelength-Reuse Techniques 9
2.2.2 Simultaneous Generation of independent Wired and Wireless Signals Based on Frequency-sextupling and OCS-DPSK Modulation 11
2.2.3 Wired/Wireless Access Integrated RoF-PON by Polarization Multiplexed FWM in SOA 13
Chapter 3 Components and Parameters of Systems 16
3.1 Orthogonal Frequency Division Multiplexing 16
3.1.1 Principle of OFDM 16
3.1.2 Multicarrier modulation 17
3.1.3 Mapping 21
3.1.4 FFT Implementation 22
3.1.5 Insertion of Cyclic Prefix 23
3.1.6 Equalization 26
3.1.7 Bit Error Ratio 27
3.2 Phase Modulation 27
3.3 Mach-Zehnder Modulation 35
3.3.1 Bias at the maximum transmission point 38
3.3.2 Biased at the quadrature point 38
3.3.3 Bias at the null point 39
3.4 Cascade Phase Modulation and Mach-Zehnder Modulation 40
Chapter 4 Hybrid Wireline and Wireless Communication System Based on Phase Modulator 43
Chapter 5 Conclusion 59
References 61
Publication List 67

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