Table 1 Notations of PowerNap algorithm

U

Set of all clients in the network

U _i

Set of all clients associated with AP i

AP

Access point

ζ _i

Initial workload of AP i

Weighted fair share of AP i

\(\mathbb {W}_{i}\)

Minimal fair share of AP i

B _u

Bit rate of client u∈U

Fair share of AP i in current

L _k

Workload of AP k

N _j

One hop neighbors of A P _j

L _n[i]

Workload of neighbor i of A P _k

C _i

Capacity of AP i

n

Number of APs in the network

Weighted fair share of AP i computed by AP j