On the UEP capabilities of several LDPC construction algorithms

Authors:
Neele Von Deetzen;Sara Sandberg
Affiliations:
Silver Atena Electronic Systems Engineering GmbH and School of Engineering and Science, Jacobs University Bremen, Germany;Department of Computer Science and Electrical Engineering, Luleå University of Technology, Sweden
Venue:
IEEE Transactions on Communications
Year:
2010

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Abstract

This paper analyzes construction algorithms for low-density parity-check (LDPC) codes with respect to their unequal error protection (UEP) capabilities. We show that the choice of code construction algorithm highly affects the performance and UEP properties of LDPC codes with identical degree distributions. Our results provide an explanation to disagreements in earlier research.