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Jorge Arredondo Dorantes CCIE

Jorge Arredondo Dorantes CCIE

What is the difference between 3G 4G LTE

Table shows comparisons between some key parameters of 3G VS 4G LTE systems.
               1.8 - 2.5 GHz                     2 - 8 GHz
   BANDWIDTH                 5-20 MHz              5-20 MHz
 DATA RATE       Up to 2Mbps ( 384 kbps WAN)            Up to 20 Mbps or more
 ACCESS          Wideband CDMA
  Multi-carrier - CDMA  or OFDM(TDMA)
  FEC                 Turbo-codes             Concatenated codes
SWITCHING               Circuit/Packet                    Packet
    MOBILE TOP SPEED                  200 kmph                  200 kmph


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