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 Cloud Communication Network (CCN)                                              
Base station system in outdoor includes RF units only, while all the digital units of each cell are combined together at one place in a form like a telephone office.
Our SDR CCC test-bed consists of a GPU-based server.


 CCC System Architecture

  - CCN consists of Baseband(BB) Processing Unit, RF Transceiver, and RF-BB Network which interconnects the two units.



  - Hardware Structure

  - Baseband Processing Unit : Multi-GPU and Multi-CPU System



 Filed Test

  - RF Transceiver

  1) Cell Planning

  2) Transceiver Network

  3) Deployment

  4) Result

  - Constellations at RX Terminal


  - RX of Image Signal (6Mb/s ) TX¡¯ed from 3 cells.
  - Experimental Confirm of Transceiver Network Implementation Using a General Ethernet Network