Robust Detectors for TH IR-UWB Systems with Multiuser Interference
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Bibliographic record
Abstract
It has been recently established that multiuser interference (MUI) in time-hopping impulse-radio ultra-wideband (TH IR-UWB) systems is highly impulsive and hence the conventional matched filter (MF) receiver based on the assumption of Gaussian MUI is no longer optimum. In this paper, two novel receiver structures for detecting TH IR-UWB signals in the presence of MUI are proposed. The first detector is based on a two-term approximation for the distribution of the interference process and noise and the second uses a non-linear penalty function for the decision statistic. Simulation results show that the proposed detectors perform considerably better than the conventional MF receiver and also outperform a recently devised soft-limiting detector in MUI limited environments.
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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 | 0.000 | 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