IQ Signal Masterâ„¢ MX280005A Vector Signal Analysis Software Help : Symbol Mapping Defaults : Introduction : 256QAM
 
256QAM
256QAM Symbol Allocation is shown in Figure: 256QAM Symbol Allocation
256QAM Symbol Allocation
128QAM Symbol Data is shown in Table: 128QAM Symbol Data.
128QAM Symbol Data
Allocation
Symbol Data
Allocation
Symbol Data
Allocation
Symbol Data
Allocation
Symbol Data
0
10001000
64
10011101
128
11011101
192
11001000
1
10001010
65
10011111
129
11011111
193
11001010
2
10000010
66
10010111
130
11010111
194
11000010
3
10000000
67
10010101
131
11010101
195
11000000
4
10100010
68
10110111
132
11110111
196
11100010
5
10100000
69
10110101
133
11110101
197
11100000
6
10101000
70
10111101
134
11111101
198
11101000
7
10101010
71
10111111
135
11111111
199
11101010
8
00100010
72
00110111
136
01110111
200
01100010
9
00100000
73
00110101
137
01110101
201
01100000
10
00101000
74
00111101
138
01111101
202
01101000
11
00101010
75
00111111
139
01111111
203
01101010
12
00001000
76
00011101
140
01011101
204
01001000
13
00001010
77
00011111
141
01011111
205
01001010
14
00000010
78
00010111
142
01010111
206
01000010
15
00000000
79
00010101
143
01010101
207
01000000
16
10001001
80
10011100
144
11011100
208
11001001
17
10001011
81
10011110
145
11011110
209
11001011
18
10000011
82
10010110
146
11010110
210
11000011
19
10000001
83
10010100
147
11010100
211
11000001
20
10100011
84
10110110
148
11110110
212
11100011
21
10100001
85
10110100
149
11110100
213
11100001
22
10101001
86
10111100
150
11111100
214
11101001
23
10101011
87
10111110
151
11111110
215
11101011
24
00100011
88
00110110
152
01110110
216
01100011
25
00100001
89
00110100
153
01110100
217
01100001
26
00101001
90
00111100
154
01111100
218
01101001
27
00101011
91
00111110
155
01111110
219
01101011
28
00001001
92
00011100
156
01011100
220
01001001
29
00001011
93
00011110
157
01011110
221
01001011
30
00000011
94
00010110
158
01010110
222
01000011
31
00000001
95
00010100
159
01010100
223
01000001
32
10001101
96
10011000
160
11011000
224
11001101
33
10001111
97
10011010
161
11011010
225
11001111
34
10000111
98
10010010
162
11010010
226
11000111
35
10000101
99
10010000
163
11010000
227
11000101
36
10100111
100
10110010
164
11110010
228
11100111
37
10100101
101
10110000
165
11110000
229
11100101
38
10101101
102
10111000
166
11111000
230
11101101
39
10101111
103
10111010
167
11111010
231
11101111
40
00100111
104
00110010
168
01110010
232
01100111
41
00100101
105
00110000
169
01110000
233
01100101
42
00101101
106
00111000
170
01111000
234
01101101
43
00101111
107
00111010
171
01111010
235
01101111
44
00001101
108
00011000
172
01011000
236
01001101
45
00001111
109
00011010
173
01011010
237
01001111
46
00000111
110
00010010
174
01010010
238
01000111
47
00000101
111
00010000
175
01010000
239
01000101
48
10001100
112
10011001
176
11011001
240
11001100
49
10001110
113
10011011
177
11011011
241
11001110
50
10000110
114
10010011
178
11010011
242
11000110
51
10000100
115
10010001
179
11010001
243
11000100
52
10100110
116
10110011
180
11110011
244
11100110
53
10100100
117
10110001
181
11110001
245
11100100
54
10101100
118
10111001
182
11111001
246
11101100
55
10101110
119
10111011
183
11111011
247
11101110
56
00100110
120
00110011
184
01110011
248
01100110
57
00100100
121
00110001
185
01110001
249
01100100
58
00101100
122
00111001
186
01111001
250
01101100
59
00101110
123
00111011
187
01111011
251
01101110
60
00001100
124
00011001
188
01011001
252
01001100
61
00001110
125
00011011
189
01011011
253
01001110
62
00000110
126
00010011
190
01010011
254
01000110
63
00000100
127
00010001
191
01010001
255
01000100