Performance Analysis and Code Optimization of IDMA With 5G New Radio LDPC Code
Why this work is in the frame
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Bibliographic record
Abstract
In this letter, we focus on the performance analysis and code optimization of interleave-division multiple access (IDMA) with the rate-compatible low-density parity-check (LDPC) code adopted in 5G new radio (5G-NR) technical specification. By combining the multi-edge type density evolution (DE) and extrinsic information transfer (EXIT) analysis, a multi-edge-type DE-aided EXIT analysis is developed to analyze the asymptotic performance of 5G-NR LDPC-coded IDMA, which is shown to be fairly robust against the variations of user number. Then, the base matrix of 5G-NR LDPC code is optimized for IDMA to achieve higher sum spectral efficiency while maintaining the rate compatibility.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.002 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it