Polarization-adjusted convolutional (PAC) codes, as a concatenated coding scheme based on polar codes, is able to approach the finite-length bound of binary-input AWGN channel at short blocklengths. In this paper, we extend PAC codes to the fields of source coding and joint source-channel coding and show that they can also approach the corresponding finite-length bounds at short blocklengths.

翻译：极化调整卷积（PAC）码作为一种基于极化码的级联编码方案，能够在短码长条件下逼近二进制输入加性高斯白噪声信道的有限长界。本文我们将PAC码拓展至信源编码与联合信源信道编码领域，并证明其同样能够在短码长条件下逼近相应的有限长界。