Mid Quad Err (TD-SCDMA)
Mid Quad Err (Midamble Quadrature Skew Error) indicates the orthogonal error between the midamble I and Q signals. Ideally, I and Q should be orthogonal (90 degrees apart). A quadrature skew error of 3 degrees means I and Q are 87 degrees (or 93 degrees) apart.
For more information see IQ Gain Imbalance and Quadrature Skew Parameter Interaction
See Also
IQ Gain Imbalance and Quadrature Skew Parameter Interaction