Figure 5
From: Emulating extreme velocities of mobile LTE receivers in the downlink
![Figure 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13638-015-0343-0/MediaObjects/13638_2015_343_Fig5_HTML.gif)
Ensuring equal spectrum usage for interpolation factors I=2, I=3, and for an arbitrary integer interpolation factor I=Q.I replicas of the interpolated signal are transmitted to ensure that the whole frequency range of the original signal (without interpolation) is used.