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Table 1 Computational complexity of the proposed SI-SRINR algorithm

From: Sum-rate maximization and robust beamforming design for MIMO two-way relay networks with reciprocal and imperfect CSI

Step

Operations

Block dimensions (a k )

Number of variables (n)

1

\(\widehat {P}_{R_{i}}\)

2M M b +1

2M M b +2N 2+6L+12

2

Ï‚ t

(l+1)M N+1

2N 2+3L+6

3.1

Ï„ t

l

(2N 2+3L+6)

   

×(2M M b +3L+6)

3.2

γ t

2l M N+M M b +1

(2N 2+3L+6)

   

×(2M M b +3L+6)