The 11n standard is based on orthogonal frequency-division multiplexing (OFDM), which is also used in the 802.11a/g standards. It's a proven way to extend range and data rate in multipath environments ...
OFDM is a technique used in modern broadband wireless communications systems. To mitigate the effect of dispersive channel distortion in high data rate OFDM systems, CP is introduced to eliminate ...