Quick soft bit descrambling method used in communication
A soft-bit, bit-based technology, applied in the field of soft-bit fast descrambling, to achieve the effect of simple implementation and improved real-time processing efficiency
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[0038] Embodiment comprises the following steps:
[0039] Step1: Read 8-bit scrambled bits c 7 c 6 c 5 c 4 c 3 c 2 c 1 c 0 , which is the same scrambling bit as the sending end, used as descrambling bit;
[0040] Step2: Read the lower 4 scrambling bits c 3 c 2 c 1 c 0 Corresponding to the 4 scrambling soft bits in the table Table 1 is shown in Table 1 according to the table generated by the above three proposed methods of descrambling soft bits;
[0041] Table 1
[0042] scrambling bits
scrambled soft bits
scrambling bits
scrambled soft bits
0000
0x00000000
1000
0xFF000000
0001
0x000000FF
1001
0xFF0000FF
0010
0x0000FF00
1010
0xFF00FF00
[0043] 0011
0x0000FFFF
1011
0xFF00FFFF
0100
0x00FF0000
1100
0xFFFF0000
0101
0x00FF00FF
1101
0xFFFF00FF
0110
0x00FFFF00
1110
0xFFFFFF00
0111
0x00FFFFFF
1...
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