Modeling Crosstalk Coefficients in Orbital Angular Momentum-Multiplexed FSO Channels under Gaussian Pointing Errors
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Bibliographic record
Abstract
Crosstalk coefficients induced by pointing errors pose a significant challenge in orbital angular momentum (OAM)-multiplexed free space optical (FSO) communication systems. This paper presents a detailed investigation into the impact of Gaussian pointing errors on crosstalk coefficients within OAM-multiplexed FSO channels. Unlike previous studies which primarily focused on fixed strength of pointing error, our analysis encompasses a range of pointing error strengths. We propose closed-form expressions for the probability distribution function (PDF) governing the crosstalk coefficient, accommodating varying pointing error strengths. This analytical framework provides valuable insights into the behavior of crosstalk under different environmental conditions, facilitating the design and optimization of robust OAM-based FSO communication systems.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| 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