Table 3 Complexity analysis for the power allocation algorithms
From: DF-based sum-rate optimization for multicarrier multiple access relay channel
S1: OFDMA | S2: OFDM | |
|---|---|---|
(Algorithms 2 and 4, [ 10 ]) | Algorithm IP | |
Average number of | 13.64 | 3.24 |
iterations needed to | ||
converge | ||
Average run time needed to converge (seconds) | 0.47 | 175.6 |
Average sum-rate (bits per two-slots) | 861.5 | 1,335.4 |
Power allocation | Separate | Joint |
optimization |