Feb 10, 2010 #1 F fallangel Newbie level 4 Joined Dec 27, 2003 Messages 6 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Location China Activity points 40 How to calculate EVM from IQ phase imbalance?
Feb 10, 2010 #2 J jayce3390 Full Member level 6 Joined May 22, 2007 Messages 351 Helped 29 Reputation 58 Reaction score 21 Trophy points 1,298 Activity points 3,287 From the IQ plan :
Mar 11, 2010 #3 M mbyoussef Member level 2 Joined May 24, 2006 Messages 47 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,288 Activity points 1,504 You can find the effect of I/Q mismatch on EVM in the attached figure
Sep 17, 2010 #4 B bisonlj Newbie level 6 Joined Apr 29, 2006 Messages 14 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,370 Thanks! Per my understanding, g is the gain imbalance, phi is the phase imbalance, but what about alphaI and alphaQ? What values should I put in my MATLAB code to generate the same plot? Thanks! mbyoussef said: You can find the effect of I/Q mismatch on EVM in the attached figure Click to expand...
Thanks! Per my understanding, g is the gain imbalance, phi is the phase imbalance, but what about alphaI and alphaQ? What values should I put in my MATLAB code to generate the same plot? Thanks! mbyoussef said: You can find the effect of I/Q mismatch on EVM in the attached figure Click to expand...