• home
• products
• company
• news
• contact us

Technical Notes

OFDM

I. Introduction to OFDM

1. What is OFDM
2. Why is OFDM Getting Popular?
3. History of OFDM

II. Digital Modulation

1. Review of Digital Modulation
2. Mathmatics of Digital Modulation
3. QAM(Quadrature Amplitude Modulation)
4. FDMA(Frequency Division Multiple Access)
5. Malti-Carrier Modulation

III. OFDM Technology

1. OFDM Carrier
2. Orthogonality of the Sub-Carriers
3. Base-band Signal and Path-band Signal
4. How the Symbol Information Could be Resolved
5. OFDM Spectrum

IV. Modulator and Demodulator

1. How to Generate OFDM Signal
2. OFDM Modulator
3. How to Demodulate OFDM Signal
4. OFDM Demodulator

V. Multi-Path

1. What is Multi-Path
2. Problem of Multi-Path
3. Guard Interval
4. Other Effect on the Symbol
5. SFN(Single Frequency Network)

Editor

Sho TAMAKI

Supervisor

Tomohisa WADA