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Table 1 Example of EQSM signals generation with L=2

From: EQSM-based multiuser MIMO downlink transmission for correlated fading channels

Input bits

QSM

QSM

Output signals

ak

x1

x2

EQSM

0000 0000

1 + j,0

1 + j,0

1.5 + 1.5j,0

0000 0001

1 + j,0

− 1 + j,0

0.5 + 1.5j,0

0000 0010

1 + j,0

1−,0

1.5 + 0.5j,0

0000 0011

1 + j,0

− 1− j,0

0.5 + 0.5j,0

0000 0100

1 + j,0

1,j

1.5 + j,0.5j

0000 0101

1 + j,0

− 1,j

0.5 + j,0.5j

0000 0110

1 + j,0

1,− j

1.5 + j,− 0.5j

0000 0111

1 + j,0

− 1,− j

0.5 + j,− 0.5j

0000 1000

1 + j,0

j,1

1 + 1.5j,0.5

0000 1001

1 + j,0

j,− 1

1 + 1.5j,− 0.5

0000 1010

1 + j,0

j,1

1 + 0.5j,0.5

0000 1011

1 + j,0

j,− 1

1 + 0.5j,− 0.5

0000 1100

1 + j,0

0,1 + j

1,0.5 + 0.5j

0000 1101

1 + j,0

0,− 1 + j

1,− 0.5 + 0.5j

0000 1110

1 + j,0

0,1− j

1,0.5 − 0.5j

0000 1111

1 + j,0

0,− 1− j

1,− 0.5 − 0.5j

  1. The first four input bits modulate the first QSM block, the other four input bits modulate the second QSM block. Table 1 only shows the first 16 EQSM signals generated