Design of Rateless Transmission Scheme Based on Punctured Polar Codes

In this paper, a parallel concatenated punctured polar (PCPP) codes is designed to realise the rateless property of polar codes. First, an improved random puncturing pattern of polar codes is proposed to archive better performance than random puncturing. Then, the optimal initial code rate is analyzed for multiple PCPP code blocks transmission in slow fading channels, which the optimal initial code rate of each new PCPP code block is determined by the overhead of the previous successful decoded code block and each packet can be transmitted with encoding construct of a 2-level PCPP codes.

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