Method and apparatus for perforating bit stream after Turbo encode
A bit stream, encoded technology, applied in the field of encoding, which can solve problems such as inability to decode correctly, single transmission without independent decoding capability, etc.
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[0013] Firstly, the method for puncturing a turbo-encoded bit stream according to an embodiment of the present invention will be described. The method is applicable to a scenario where the encoding rate of the turbo encoding and puncturing process is 1. like figure 1 shown, including:
[0014] Step S101: Perform a puncturing operation on the 1 / N rate Turbo encoded bit stream, wherein at least one bit in each bit combination is reserved, wherein each bit combination includes a systematic bit and a bit associated with the systematic bit The check bits, the systematic bits in different bit combinations are different from each other, and each of the systematic bits exists in different bit combinations. In addition, N in the 1 / N rate is a positive integer.
[0015] Before that, the Turbo encoder would perform 1 / N rate Turbo encoding on the input bitstream. Taking EGPRS2 DBS-12 as an example, assuming that the input bit stream is K bits, the Turbo encoder performs 1 / 3 rate Turbo...
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