Figure 6.

Performance of the gradient ascent-based methods against Leith-Clifford and Gibbs for different node densities when primary users are present. Here C = 11 and performances of "centralized", "local", and "global" are very close. 95% confidence intervals are displayed.

Dashouk and Alanyali EURASIP Journal on Wireless Communications and Networking 2011 2011:32   doi:10.1186/1687-1499-2011-32
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