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Table 4 Computational complexity

From: Delay-tolerant distributed space-time coding with feedback for cooperative MIMO relaying systems

Algorithms Multiplications
D-Alamouti \({\mathcal {O}}(N (\lambda _{\text {max}}+T))\)
R-Alamouti \({\mathcal {O}}\left (N (\lambda _{\text {max}}+T)^{2}\right)\)
DT-ACMO-SG \({\mathcal {O}}\left ((N(\lambda _{\text {max}}+T)^{2}\right)\)
DT-ACMO-RLS \({\mathcal {O}}\left ((4N(\lambda _{\text {max}}+T)^{2}\right)\)
DT-ACMORO \({\mathcal {O}}\left (TN^{2}\right)\)