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Table 1 Computational complexity of the proposed schemes in downlink systems.

From: Joint Linear Filter Design in Multiuser Cooperative Nonregenerative MIMO Relay Systems

Schemes Complexity
OJ-MMSE/RP 7200
SOJ-MMSE/RP 80
TAF-MMSE/RP 72
MMSE/DP 24
CS1-MMSE/RDP 96
CS2-MMSE/RDP 88