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Energy-Efficiency Problems - Coggle Diagram

- - - - Transmission Power (energy drawn by power amplifiers and Radio-Frequency chains)
      - Computation Power (energy drawn by Base Band Units for digital signal processing functions, management and control functions, etc)
      - Additional Power (power lost, cooling, etc)
    - - Antenna Interface
      - Power Amplifier
      - Radio Frequency small-signal
        transceiver
      - Baseband Interface
        
        Receiver section (uplink)
        
        Transmitter (downlink)
      - DC-DC power supply
      - Active cooling system
      - AC-DC unit (Main Supply)
    - - Macro
      - Micro
      - Pico
      - Femto
    - - Per Cell Type
        
        Macrocell BSs
        (57 % of total energy)
        
        Power Amplifier
        
        Antenna Interface
        
        Small cell BSs
        
        Baseband units (computation power of signal processing)