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Record W2114415531 · doi:10.1109/jssc.2007.905232

Design and Test of a 175-Mb/s, Rate-1/2 (128,3,6) Low-Density Parity-Check Convolutional Code Encoder and Decoder

2007· article· en· W2114415531 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueIEEE Journal of Solid-State Circuits · 2007
Typearticle
Languageen
FieldComputer Science
TopicError Correcting Code Techniques
Canadian institutionsUniversity of Alberta
FundersCMC Microsystems
KeywordsLow-density parity-check codeComputer scienceEncoderConvolutional codeChipForward error correctionVery-large-scale integrationDecoding methodsParallel computingAlgorithmComputer hardwareEmbedded systemTelecommunications

Abstract

fetched live from OpenAlex

<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> Low-density parity-check block codes (LDPC-BCs) are quickly becoming the forward error correcting code of choice for emerging communication standards. However, low-density parity-check convolutional codes (LDPC-CCs), the convolutional counterpart of LDPC-BCs, seem to be better suited in applications with streaming data or variable sized packets. A rate-1/2, (128,3,6) LDPC-CC ASIC has been implemented in 180-nm, 1.8-V CMOS technology. We present the VLSI architecture of a register-based LDPC-CC encoder and decoder that includes an on-chip, pseudo-random additive white Gaussian noise channel emulator. The decoder comprises a pipeline of ten identical processing units and attains up to 175 Mb/s of decoded throughput. </para>

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.004
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.558
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0040.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.028
GPT teacher head0.286
Teacher spread0.258 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it