Figure 3From: QoS-aware scheduling with optimization of base-station power allocation in downlink cooperative OFDMA systems Dual objective value vs. iteration with DF relays, M = 6, | M nRT | = 5 , N = 12 and c Ì„ 1 = c Ì„ 2 = 1 . 5 , c Ì„ 3 = 2 . 5 , c Ì„ 5 = 2 . 75 , c Ì„ 6 = 3 . 75 . Back to article page