Explains how the OFDM modulation format is less impacted by delay spread in a communications channel (Intersymbol Interference, ISI) compared to direct modulation.
Related videos: (see http://www.iaincollings.com)
• What is a Cyclic Prefix in OFDM? https://youtu.be/AJg57AEBtNw
• What is Intersymbol Interference ISI? https://youtu.be/I087FUvW2ys
• Why is the OFDM Symbol Prefix Shorter in 5G Mobile and 802.11ac WiFi? https://youtu.be/a0aGVPkTOCI
• OFDM Waveforms https://youtu.be/F6B4Kyj2rLw
• Why is Subcarrier Spacing Bigger in 5G Mobile Communications? https://youtu.be/uyDvjpPn8ms
• OFDM and the DFT https://youtu.be/Z4LIgNgNAlI
• How are OFDM and xDSL (DMT) Related? https://youtu.be/CET2UuGeEqs
• What is a Matched Filter? https://youtu.be/Ci-EjiMJo3I
• How are Different Equalization Methods Related? (DFE, ZF, MMSE, Viterbi, OFDM) https://youtu.be/hYNwTTWrp48
• Viterbi Algorithm Explained with an Example https://youtu.be/xxpBHCkypS4
• Autocorrelation and Power Spectral Density (PSD) Examples in Digital Communications https://youtu.be/XWytSLZZP1A
• How are Analog Filters and Digital Equalization Related? https://youtu.be/Y5d0mEacOpI
• What are Flat Fading and Frequency Selective Fading? https://youtu.be/KiKPFT4rtHg
• What are Doppler Shift, Doppler Spread, and Doppler Spectrum? https://youtu.be/LLr3-kotbz4
For a full list of Videos and Summary Sheets, goto: http://www.iaincollings.com
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