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On the Block Error Rate Performance of Spatially Coupled LDPC Codes for Streaming Applications

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Author

Summary, in English

In this paper, we study the block error rate (BLER) performance of spatially coupled low-density parity-check (SC- LDPC) codes using a sliding window decoder suited for streaming applications. Previous studies of SC-LDPC have focused on the bit error rate (BER) performance or the frame error rate (FER) performance over the entire length of the code. Here, we consider protograph-based constructions of SC-LDPC codes in which a window decoder continuously outputs blocks in a streaming fashion, and we examine the BLER associated with these blocks.
We begin by examining the effect of protograph design on the streaming BLER by varying the block size and the coupling width in such a way that the overall constraint length of the SC-LDPC code remains constant. Next, we investigate the BLER scaling behavior with block size and coupling width. Lastly, we consider the effect of employing an outer code to protect blocks, so that small numbers of residual errors can be corrected by the outer code. Simulation results for the additive white Gaussian noise channel (AWGNC) are included and comparisons are made to LDPC block codes (LDPC-BCs).

Publishing year

2016-09-12

Language

English

Publication/Series

Proc. IEEE Information Theory Workshop

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Telecommunications

Keywords

  • LDPC codes, spatially coupled codes, convolutional codes, streaming

Conference name

IEEE Information Theory Workshop

Conference date

2016-09-12 - 2016-09-14

Conference place

Cambridge, United Kingdom

Status

Published

ISBN/ISSN/Other

  • ISBN: 978-1-5090-1090-5