Walsh-Hadamard precoded circular filterbank multicarrier communications
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Bibliographic record
Abstract
Circular filter bank multicarrier communication (C-FBMC) is an emerging multicarrier communication technique which combines the classical FBMC/OQAM with circular convolution. It has a block based structure and achieves orthogonality among subcarriers. This paper applies Walsh-Hadamard precoding scheme to C-FBMC to exploit the frequency diversity in a multipath channel. The theoretical approximation for the bit error rate (BER) of the resultant scheme, abbreviated WHT-C-FBMC, is derived. Its BER performance is also compared to the performance of precoded GFDM. Results show that the theoretical results match well with simulation results and WHT-C-FBMC is superior than WHT-GFDM.
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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 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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