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EURASIP Journal on Advances in Signal Processing

Table 2 QPSK alphabet

From: Low-complexity iterative receiver design for mobile OFDM systems

 

1

2

3

4

(m 0,m 1)

(0,0)

(1,0)

(0,1)

(1,1)

η i

1 + j 1 2

− 1 + j 1 2

1 − j 1 2

− 1 − j 1 2

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