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In the next step, I will modulate and LED with the above DMT signal (from AWG) and detect it at the receiver. This requires synchronization and estimation for BER calibration. Since only a part of the DMT signal is acquirable, will this be a problem for signal recovery and calibration?
Right now, the signal detected from photo receiver module is unidentifiable due to noise and hence I could not find out what portion of the input signal is obtained after photo detection.
Can anyone help me on how to proceed for filtering and BER calibration?
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