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Polar code construction using the information bottleneck method
Publikationstyp
Conference Paper
Date Issued
2018-05-29
Sprache
English
Author(s)
Institut
TORE-URI
Start Page
7
End Page
12
Citation
2018 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2018 : 7-12 (2018-05-29)
Contribution to Conference
Publisher DOI
Scopus ID
The provably capacity-achieving error-correction capability of polar codes prospered huge interest in academia and industry. The explicit structure of polar codes leads to a different notion of code construction which refers to the assignment of information bits to certain positions in that structure instead of the design of the structure itself. State-of-the-art construction methods either rely on approximations or are computationally demanding to achieve an optimum assignment of the information bits. In this paper, we propose a novel construction technique which leverages the information bottleneck method to combine information-optimum construction and less complex, tractable processing of the required joint distributions. Furthermore, we consider the effect of a low-resolution channel quantizer explicitly in the code design which ensures applicability of the constructed code also in practically relevant settings.