IEEE Information Theory Workshop 2010 (ITW 2010) 2010
DOI: 10.1109/itwksps.2010.5503166
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Windowed erasure decoding of LDPC Convolutional Codes

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Cited by 44 publications
(34 citation statements)
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“…In [69], Papaleo, Iyengar, Siegel, Wolf, and Corazza study the performance of windowed decoding of convolutional LDPC codes on the BEC. Such a decoder has a decoding complexity which is independent of the chain length, an important practical advantage.…”
Section: B Prior Work On Spatially Coupled Codesmentioning
confidence: 99%
“…In [69], Papaleo, Iyengar, Siegel, Wolf, and Corazza study the performance of windowed decoding of convolutional LDPC codes on the BEC. Such a decoder has a decoding complexity which is independent of the chain length, an important practical advantage.…”
Section: B Prior Work On Spatially Coupled Codesmentioning
confidence: 99%
“…A different type of sliding window decoding was introduced in [7] for proving that the threshold improvement of LDPC convolutional codes does not vanish as L → ∞ (see also [2]). This type of window decoding was also investigated in [8] from a latency perspective.…”
Section: Introductionmentioning
confidence: 99%
“…We demonstrate that the window decoder considered in [8], [7] and [2] can be interpreted as a natural and easily implementable approximation of a special MPS in which superfluous node updates are omitted. Simulation results for some (3,6)-regular code examples show that with the sliding window decoder LDPC convolutional codes can outperform their block code counterparts without increasing latency and complexity.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, in I iterations, messages can propagate only over a window of size I constraint length. (See also the recent paper by Papaleo et al [28], which investigates further reducing the window size for codes operating on a binary erasure channel (BEC).) Another simplification is achieved by exploiting the fact that a single decoding iteration of two variable nodes that are at least m s + 1 time units apart can be performed independently, since the corresponding bits cannot participate in the same parity-check equation.…”
Section: B Implementation Aspects Of Ldpc Convolutional Codesmentioning
confidence: 99%
“…Although this does not cause problems for some applications that are not delay-sensitive (e.g., deep-space communication), for other applications that are delay-sensitive (e.g., real-time voice/video transmission), design specifications may be met by deriving LDPC convolutional codes from shorter LDPC block codes, thus sacrificing some coding gain, but reducing memory and delay requirements, or by employing a reduced window size decoder, as suggested in the recent paper by Papaleo et al [28], with a resulting reduction in the "convolutional gain. "…”
Section: Cost Of the "Convolutional Gain"mentioning
confidence: 99%