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QPSK modulation and demodulation

Question asked by commsNoob on Dec 29, 2008
Hi all,

I have some doubts in QPSK, hope you can help me in them =)

I'll be transmitting data using Agilent E4438C VSG, QPSK modulation. After which I have a labVIEW program to capture the data, Matlab is subsequently used to (do processing)demodulate the data captured by the labVIEW program.

My questions are,
1) Do I need to know how the transmitter (Agilent E4438C VSG) sends data using QPSK? If yes, what parameters should I need to take note of?

2) For the parameters being used at the transmitter, should I consider them when I do processing in matlab?

Thanks in advance =)  

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