Figure 10
![Figure 10](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1687-1499-2012-9/MediaObjects/13638_2011_Article_210_Fig10_HTML.jpg)
Impact of peak interference power Q pk on the outage probability P out of point-to-multipoint communications in which the number of primary users and secondary users are set to N = M = 5 ( k denotes the number of secondary users that cannot receive the common packets successfully).