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Table 1 Computational time (second) comparison of 100 independent trials with M=L

From: Optimization of a MIMO amplify-and- forward relay system with channel state information estimation error and feedback delay

Methods L=4 L=8 L=16 L=32
GA 140.78 176.75 396.56 2739.67
Relaxed solution 0.103 0.164 0.214 0.360