Alpha Technologies DSM3 for XM2 - Technical Manual - Manual (Page 38)

38 745-814-B8-001, Rev. C (03/2014)
4.11.2 QAM Constellation Common Impairments, continued
4.0 Web Interface
Fig. 4-21, Gaussian Noise and Individual Cell Characteristics
Fig. 4-22, Rectangular vs. Square (I-Q Imbalance) and Entire Constellation Shape
Entire QAM constellation
Individual cells
and entire QAM
constellation