4.1. Basic Principles of OFDM4.2. OFDM Demodulation4.3. OFDM Implementation Using IFFT/FFT Processing4.4. Cyclic-prefix Insertion4.5. Frequency-domain Model of OFDM Transmission4.6. Channel Estimation and Reference Symbols4.7. Frequency Diversity with OFDM: Importance of Channel Coding4.8. Selection of Basic OFDM Parameters4.9. Variations in Instantaneous Transmission Power4.10. OFDM as a User-multiplexing and Multiple-access Scheme4.11. Multi-cell Broadcast/multicast Transmission and OFDM