영문목차
Title page=0,1,4
Abstract=0,5,1
Acknowledgements=0,6,1
Contents=0,7,2
List of Figures=0,9,2
1. Introduction=1,11,1
(1) History of OFDM=1,11,1
(2) Difference between FDM and OFDM=2,12,2
(3) Generation of OFDM signal=3,13,3
(4) Orthogonality=5,15,2
(5) Scheme of OFDM transmitter and receiver=7,17,3
2. PAPR and Non-linear devices=10,20,1
(1) PAPR problem=10,20,4
(2) Non-linear distortion at Transmitter=13,23,2
(3) Non-linear Power Amplifier Model=14,24,2
3. Reduction techniques of PAPR in OFDM systems=15,25,1
(1) Clipping and Filtering=16,26,2
(2) Block Scaling=18,28,2
4. Proposed Technique=20,30,1
(1) Partial Transmit Sequences=20,30,3
(2) Compander=22,32,3
5. Simulation=25,35,5
6. Simulation Results=30,40,3
7. Conclusion=33,43,1
8. References=34,44,1
[abstract in korean]=35,45,1
Fig.1.1 Comparison of the bandwidth utilization for FDM and OFDM=3,13,1
Fig.1.2 An OFDM transmitter(4 sub-carriers)=5,15,1
Fig.1.3 Spectra of individual sub-carriers=6,16,1
Fig.1.4 Block diagram of a basic OFDM transceiver=7,17,1
Fig.1.5 Example IQ modulation constellation=9,19,1
Fig.1.6 Addition of a guard period to an OFDM signal=9,19,1
Fig.2.1 Peak power of OFDM signal=11,21,1
Fig.2.2 The ideal PAPR performance versus carrier number=13,23,1
Fig.2.3 Output Amplitude vs. Input Amplitude for Rapp Model of SSPA=15,25,1
Fig.3.1 Transmitter scheme using clipping and filtering method=16,26,1
Fig.3.2 BER of the clipped and OFDM filtered signals=17,27,1
Fig.3.3 Power spectral density of the clipped OFDM signals=17,27,1
Fig.3.4 Scheme of a modulator with Block Scaling=19,29,1
Fig.3.5 Effect of the application of BS technique=19,29,1
Fig.4.1 The scheme of Partial Transmit Sequences (PTS)=22,32,1
Fig.4.2 The partitioned into Vpair wise disjoint sub-blocks Aμ(v)(이미지참조)=22,32,1
Fig.5.1 The schematic of Proposal technique=25,35,1
Fig.5.2 The schematic of Simulation Model=26,36,1
Fig.5.3 Rapp model of Power Amplifier=27,37,1
Fig.5.4 μ-Law Compressor and Expander=27,37,1
Fig.5.5 PTS Tx Model(1)=28,38,1
Fig.5.6 PTS Tx Model(2)=29,39,1
Fig.6.1 0FDM signal=31,41,1
Fig.6.2 IQ constellation=32,42,1