Zašto bežični video odašiljači na velike udaljenosti preporučuju prednost cofdm-a

COFDM, Kodirano ortogonalno frekvencijsko multipleksiranje
1. Requires much narrower bandwidth than analog’s
2. Resistant to multi-path
3. Robust signal in NLOS (non-linija gledanja)–Performing inside buildings, through walls, and around corners
4. Error correction & strong encryption
5. High performances on aircraft, vehicles, brodovi
6. Performs well in high-speed moving transmission