Information rates of optical impulse modulation over indoor diffuse wireless channels
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Bibliographic record
Abstract
Optical impulse modulation (OIM) is a recent wireless optical modulation scheme that achieves high data rates by utilizing high-frequency bands to satisfy the channel non-negativity constraint. These bands are attenuated by the lowpass indoor diffuse optical wireless channel, and hence are not detected by the receiver. For a uniform binary input distribution, the information rates are investigated for OIM and compared to those of a conventional rectangular on-off keying (Rect-OOK) scheme. Using a well-known exponential model for the indoor diffuse optical channel, at a normalized delay spread of 0.3 and optical signal-to-noise ratio (SNR) of 3 dBo, the information rate of OIM with a simple lowpass receiver is shown to be 8.6% higher than that of Rect-OOK with a more complex whitened matched filter receiver.
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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 | 0.001 |
| Open science | 0.000 | 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