Wi-Fi

Video links
YouTube video links 

 

 Mobile Standards Evolution: FDMA, TDMA (3G), CDMA, OFDMA 

 802.11ac MU-MIMO 

 OFDMA vs. MU-MIMO in Wi-Fi 6 

 

 2G vs 3G vs 4G vs 5G 

 

 

 

 

 Generation 

 Technology standard 

 Radio access technology 

 

 

 

 

 1G – First Generation 

 AMPS, NMT, TACS, J-TACS, C-Netz 

 FDMA 

 

 

 2G – Second Generation 

 GSM, D-AMPS, IS-95 

 Combination of TDMA & FDMA, and Narrowband CDMA 

 

 

 3G – Third Generation 

 UMTS (WCDMA) and CDMA2000 

 Wideband CDMA and Narrowband CDMA 

 

 

 4G – Fourth Generation 

 LTE (Long Term Evolution) 

 OFDMA and SC-FDMA 

 

 

 5G – Fifth Generation 

 NR (New Radio) 

 OFDMA 

 

 

 

 —Technologies used by 1G, 2G, 3G, 4G and 5G—