256QAM调制映射表


256QAM星座图：

256QAM星座图

256QAM坐标轴分布

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实轴(I路)：[-15,-13,-11,-9,-7,-5,-3,-1,1,3,5,7,9,11,13,15]
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虚轴(Q路)：[-15,-13,-11,-9,-7,-5,-3,-1,1,3,5,7,9,11,13,15]

256QAM十进制值分布

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                      |
[15,14,13,12,11,10,9,8|7,6,5,4,3,2,1,0]
               [31,...|...,16]
               [47,...|...,32]
               [63,...|...,48]
               [79,...|...,64]
               [95,...|...,80]
              [111,...|...,96]
              [127,...|...,112]
----------------------|------------------------------(实轴)
              [143,...|...,128]
              [159,...|...,144]
              [175,...|...,160]
              [191,...|...,176]
              [207,...|...,192]
              [223,...|...,208]
              [239,...|...,224]
              [255,...|...,240]
                      |
                     (虚轴)

256QAM二进制值分布

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[00001111,...|...,000000011,000000010,00000001,00000000]
[00011111,...|...,00010000]
[00101111,...|...,00100000]
[00111111,...|...,00110000]
[01001111,...|...,01000000]
[01011111,...|...,01010000]
[01101111,...|...,01100000]
[01111111,...|...,01110000]
-------------|-----------------------------------(实轴)
[10001111,...|...,10000000]
[10011111,...|...,10010000]
[10101111,...|...,10100000]
[10111111,...|...,10110000]
[11001111,...|...,11000000]
[11011111,...|...,11010000]
[11101111,...|...,11100000]
[11111111,...|...,11110000]
             |
             (虚轴)

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版权声明：本文为CSDN博主「jch_wang」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/qq_43797817/article/details/105960796