Home Forums SYSTEM QAM encoder and OFDM operation

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    • #47892
      Anand Balla
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      Hi Everyone,

      I am designing a ROF link optisystem (in 14 version) software and in that link i am using following blocks in the below order.
      Transmitter section:
      Input bit sequence generator, QAM sequence encoder, OFDM Modulation, QAM Modulator after that i am using optical modulation for transmitting the same RF data in fiber.
      In that simulation i am unable generate proper electrical constellation at the input side due to this i am not getting any data at Receiver section.
      i am working on 32QAM and 64QAM. In the component properties there are so many parameters.
      my query: is there any standard parameters values for 32QAM and 64QAM like sequence length and bit rate, no of subcarriers and prefix points…etc
      please help me to generate proper constellation and OFDM modulation. please share some notes about the parameters and how to set for different modulation schemes of 32/64-QAM.

      Thanks in advance
      Anand

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