Skip to main content

Table 1 8PSK sub mappings of the irregularly mapped BICM-ISCD system with ‘English Alphabet’ source symbols

From: Irregular 8PSK mapping for variable length codes with small blocks in a BICM-ID system

Index

Constellation mapping

Index in [ 20 ]

Weight factor α j

1

0,1,3,2,6,7,5,4

72 (Gray)

0.145

2

0,1,3,2,5,7,6,4

71

0.065

3

0,1,3,2,4,5,7,6

69

0.035

4

0,1,2,3,4,5,7,6

2

0.015

5

0,1,2,3,4,5,6,7

1

0.355

6

0,1,2,7,4,5,6,3

66

0

7

0,1,6,3,5,4,2,7

81

0

8

0,1,6,3,5,2,4,7

80

0.385

9

0,3,4,1,6,5,2,7

84 (anti-Gray)

0