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Table 1 TAC-sets for GSM with Nt = 4, Na = 2

From: Codebook-based precoding for generalized spatial modulation with diversity

Ant0

Ant1

{I0,k}

{I1,k}

      

0

1

×

✓

✓

×

✓

✓

×

✓

0

2

✓

×

✓

×

✓

✓

✓

×

0

3

✓

✓

×

✓

×

✓

×

✓

1

2

✓

✓

×

✓

✓

×

✓

×

1

3

✓

×

✓

✓

×

✓

✓

✓

2

3

×

✓

✓

✓

✓

×

✓

✓

Ant0

Ant1

{I8,k}

{I9,k}

    

{I14,k}

0

1

✓

×

✓

×

✓

✓

✓

0

2

✓

✓

×

✓

✓

×

✓

0

3

✓

✓

✓

✓

×

×

✓

1

2

✓

×

✓

✓

✓

✓

×

1

3

×

✓

✓

×

✓

✓

×

2

3

×

✓

×

✓

×

✓

✓