Explains why the frequency channels in OFDM are orthogonal to each other from a Signals and Systems perspective.
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Related videos: (see: http://www.iaincollings.com)
• OFDM and the DFT https://youtu.be/Z4LIgNgNAlI
• Why is Subcarrier Spacing Bigger in 5G Mobile Communications? https://youtu.be/uyDvjpPn8ms
• What is a Cyclic Prefix in OFDM? https://youtu.be/AJg57AEBtNw
• Why is the OFDM Symbol Prefix Shorter in 5G Mobile and 802.11ac WiFi? https://youtu.be/a0aGVPkTOCI
• How are OFDM Sub Carrier Spacing and Time Samples Related? https://youtu.be/knjeXo3VZvc
• How does OFDM Overcome ISI? https://youtu.be/xcQ6rtIXv6M
• How are Complex Baseband Digital Signals Transmitted? https://youtu.be/0lkRJgnywkg
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