Performance and Construction of Polar Codes on Symmetric Binary-Input Memoryless Channels

Details Performance and Construction of Polar Codes on Symmetric Binary-Input Memoryless Channels Performance and Construction of Polar Codes on Symmetric Binary-Input Memoryless Channels

2009-01-15

arxiv.org/abs/0901.2207v2

Computer Science

Information Theory

5 pages, 3 figures, submitted to ISIT2009; revised

Scientific paper

Channel polarization is a method of constructing capacity achieving codes for symmetric binary-input discrete memoryless channels (B-DMCs) [1]. In the original paper, the construction complexity is exponential in the blocklength. In this paper, a new construction method for arbitrary symmetric binary memoryless channel (B-MC) with linear complexity in the blocklength is proposed. Furthermore, new upper and lower bounds of the block error probability of polar codes are derived for the BEC and the arbitrary symmetric B-MC, respectively.

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