EURASIP Journal on Wireless Communications and Networking

Table 1 Complexity comparison

From: Equal rate resource allocation for multiuser OFDM

	Single user	Multiuser
equal rate	$O ({log}_{2} (N))$	$O (NK)$
water filling	$O (N)$	$O (N K^{3})$

The complexity for determining the proposed heuristic solution is compared to the one for the water filling solutions.

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