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1G-4G MindMap (1980-1990 (1G (Weakness (Poor spectral efficiency, Major…

- - - - PSTN
    - - 2Kbps
    - - FDMA
    - - Poor spectral
        efficiency
      - Major security
        issue
    - - Circuit
    - - Analog Phone
        Calls
    - - Analog
  - - - Data Bandwidth
        
        64 Kbps
      - Core Network
        
        PSTN
      - Switching
        
        Circuit,Packet
      - Multiplexing
        
        TDMA/CDMA
      - Primary Service
        
        Digital Phone
        Calls
        
        Messaging
      - Weakness
        
        Difficult to support demand for internet and email
        
        Limited data
        rates
      - Technology
        
        Digital
    - - 3G
        
        Core Network
        
        Packet N/W
        
        Multiplexing
        
        CDMA
        
        Data Bandwidth
        
        2 Mbps
        
        Switching
        
        Packet
        
        Weakness
        
        Real performance fail to match type
        
        Failure of WAP for internet access
        
        Technology
        
        CDMA 2000,
        UMTS,EDGE
        
        Primary Service
        
        Phone calls, Messaging, Data
      - 2010- TODAY
        
        4G
        
        Multiplexing
        
        CDMA
        
        Primary Service
        
        All-IP Service (including Voice Messages)
        
        Core Network
        
        Internet
        
        Technology
        
        Wi-Max,
        Wi-Fi, LTE
        
        Data Bandwidth
        
        1 Gbps
        
        Weakness
        
        Battery use
        is more
        
        Required complicated and expensive hardware
        
        Switching
        
        All Packet