Polar-LDPC Concatenated Coding for the AWGN Wiretap Channel
IEEE Communications Letters(2014)
Abstract
In this paper, a concatenated coding scheme based on polar codes and LDPC codes is proposed for the additive white Gaussian noise (AWGN) wiretap channel. We first analyze the bit error rate (BER) performance of the proposed coding scheme through the density evolution (DE). Then, the security gap that our coding scheme can achieve is investigated. Finally, to adapt to the dynamic environments, we present a transmission scheme using rate compatible Polar-LDPC codes. Numerical results suggest that the proposed coding scheme is more effective and flexible than other existing secure coding schemes.
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Key words
concatenated coding scheme,bit error rate,LDPC codes,AWGN channels,codecs,additive white Gaussian noise wiretap channel,channel coding,wiretap channel,density evolution,polar codes,polar-LDPC concatenated coding,polar-LDPC codes,BER performance,telecommunication security,transmission scheme,AWGN wiretap channel,error statistics,parity check codes,security gap,Concatenation,DE
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