Error performances of multi shift-register convolutional self-doubly-orthogonal codes

Authors:
Yu-Cheng He;David Haccoun;Christian Cardinal
Affiliations:
Department of Electrical Engineering, École Polytechnique de Montréal, Montreal, QC, Canada;Department of Electrical Engineering, École Polytechnique de Montréal, Montreal, QC, Canada;Department of Electrical Engineering, École Polytechnique de Montréal, Montreal, QC, Canada
Venue:
IEEE Communications Letters
Year:
2009

Citing 4
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Abstract

A class of orthogonal convolutional codes using a multi shift-register encoder and featuring self-doubly-orthogonal properties is analyzed under iterative decoding. The lower bounds of error performances of these codes can be approached within typically three to five iterations at moderate signal-to-noise ratios using either iterative threshold (TH) decoding or belief propagation (BP) decoding. Compared with iterative BP decoding, it is shown that iterative threshold decoding for these codes yields a much lower complexity at the same decoding latency.