Table 5 I and Q dimension antenna combinations and mapping (\(N_T = 8\) and \(N_c=64\))26,32,33.

From: Error performance analysis of generalized quadrature spatial modulation with labelling diversity

Spatial input

bits

Antenna pair

bit indices

I-dimension antenna

pairs

Q-dimension antenna

pairs

Rotation angle

d

000000

\(T_{X1},T_{X2}\)

\(T_{X5},T_{X6}\)

0

d

000001

\(T_{X1},T_{X3}\)

\(T_{X4},T_{X6}\)

0

d

000010

\(T_{X1},T_{X4}\)

\(T_{X3},T_{X6}\)

0

d

000011

\(T_{X1},T_{X5}\)

\(T_{X2},T_{X6}\)

\(\frac{\pi }{3}\)

d

000100

\(T_{X1},T_{X6}\)

\(T_{X4},T_{X5}\)

\(\frac{\pi }{3}\)

d

000101

\(T_{X2},T_{X3}\)

\(T_{X1},T_{X4}\)

\(\frac{\pi }{3}\)

d

000110

\(T_{X2},T_{X4}\)

\(T_{X1},T_{X3}\)

\(\frac{2\pi }{3}\)

d

000111

\(T_{X2},T_{X5}\)

\(T_{X3},T_{X4}\)

\(\frac{2\pi }{3}\)

d

001000

\(T_{X1},T_{X2}\)

\(T_{X5},T_{X6}\)

0

d

001001

\(T_{X1},T_{X3}\)

\(T_{X4},T_{X6}\)

0

d

001010

\(T_{X1},T_{X4}\)

\(T_{X3},T_{X6}\)

0

d

001011

\(T_{X1},T_{X5}\)

\(T_{X2},T_{X6}\)

\(\frac{\pi }{3}\)

d

001100

\(T_{X1},T_{X6}\)

\(T_{X4},T_{X5}\)

\(\frac{\pi }{3}\)

d

001101

\(T_{X2},T_{X3}\)

\(T_{X1},T_{X4}\)

\(\frac{\pi }{3}\)

d

001110

\(T_{X2},T_{X4}\)

\(T_{X1},T_{X3}\)

\(\frac{2\pi }{3}\)

d

001111

\(T_{X2},T_{X5}\)

\(T_{X3},T_{X4}\)

\(\frac{2\pi }{3}\)

d

010000

\(T_{X1},T_{X2}\)

\(T_{X5},T_{X6}\)

0

d

010001

\(T_{X1},T_{X3}\)

\(T_{X4},T_{X6}\)

0

d

010010

\(T_{X1},T_{X4}\)

\(T_{X3},T_{X6}\)

0

d

010011

\(T_{X1},T_{X5}\)

\(T_{X2},T_{X6}\)

\(\frac{\pi }{3}\)

d

010100

\(T_{X1},T_{X6}\)

\(T_{X4},T_{X5}\)

\(\frac{\pi }{3}\)

d

010101

\(T_{X2},T_{X3}\)

\(T_{X1},T_{X4}\)

\(\frac{\pi }{3}\)