From: Distributed resource allocation with imperfect spectrum sensing information and channel uncertainty in cognitive femtocell networks
Rank
Subchannel ID
Channel condition difference
1
n
\(d^{f}_{1,2}=c^{f}_{1}-c^{f}_{2}\)
2
m
\(d^{f}_{2,3}=c^{f}_{2}-c^{f}_{3}\)
â‹Ż