New Channel Model for Wireless Communications: Finite-State Phase-Type Semi-Markov Channel Model
Why this work is in the frame
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Bibliographic record
Abstract
In this paper, a finite-state phase-type semi-Markov channel (FSPHMC) model is proposed for wireless channels with correlated fading. By introducing a phase type distributed sojourn time between channel state transitions, the proposed model generalizes the traditional Finite-State Markov Channel (FSMC) model where the sojourn time in each channel state is assumed to satisfy geometric distribution. Thanks to the flexibility of the phase type distribution, the resultant FSPHMC model is applicable to much wider range of practical fading channels. For facilitating the implementation of FSPHMC model in practical scenarios, a special case, FSPHMC model with negative binomial sojourn time (FSPHMC-NB), is also presented under constraint computational complexity. Compared with the traditional FSMC model, the FSPHMC-NB demonstrates considerable improvement in that it matches the true state duration distribution without a significant increase in complexity. Simulation results are given to validate the flexibility and versatility of the proposed FSPHMC model.
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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) | 0.000 | 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