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Phase difference between two IQ signals

Phase difference between two IQ signals

‎03-16-2015 07:21 AM

I have two IQ signals they came from LTE Uplink Demodulator.I am using two VSTs and generated each Component carrier in each VST.

I saw there are many ways to calculate time shift( equivalent to phase difference) between two sine ways.

But i am not getting ways to calculate the time shift between two IQ Signls.

Anyone can please guide me or provide the ways to do.

 

My analysis: I did cross correlation between two IQ signls always peak is showing at center.I think this is wrong method for IQ signals.

 

 

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