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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.
 
 
         3G
             4G
 
FREQUENCY BAND
               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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