Zakaj brezžični video oddajniki na dolge razdalje priporočajo prednost cofdm

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