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MCPC | Multiple Channels Per Carrier | MCPC vs SCPC


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This page describes MCPC(Multiple Channels Per Carrier) basics and provide link to SCPC basics and comparison of MCPC vs SCPC.

The term "multiple channels per carrier" or MCPC is widely used in satellite communication. All the channels are multiplexed before being modulated as shown in the figure. TDM is used for multiplexing information of individual multiple channels into a serial frame of bits.

MCPC means multiple channels (i.e. voice and data channels) per RF carrier of a satellite transponder. As shown in the figure 8 voice channels and 4 data channels are interfaced with MUX and being modulated thereon. Voice channels will have either 9.6 or 16 kbps of data rate. Data channels will have 2.4, 4.8, 9.6 kbps of data rate. If all the voice channels are only active then 128kbps of the information bit rate is modulated on RF carrier in the MODEM.

MCPC or multiple channels per carrier

As shown in the figure MCPC utilizes satellite resource efficiently as multiple channels are multiplexed and transmitted on a single carrier of a transponder. The voice line can be interfaced with EPABX/PBX. Data line is mainly used for file transfer or corporate email.

What is difference between MCPC and SCPC

Difference between SCPC vs MCPC  SCPC  EPABX basics   Satellite tutorial   VSAT system basics   FDMA vs TDMA vs CDMA  FDM vs TDM 

               

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