Impacts of Bluetooth Device Addresses and Native Clocks on Packet Interference in Piconets
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Bibliographic record
Abstract
the main contribution of this paper is that hitherto unknown special characteristics of Bluetooth co-channel interference are revealed. In a Bluetooth piconet, the channel hop frequency at any instant of time is determined by the Master’s device address and its native clock. In a cluster of two masters of the 79-hop type, average packet error rate is 1/79 (= 1.26%), and it increases by almost 1% for each additional Master up to a reasonably large number, say 40 Masters. By actually implementing the hop selection kernel for the 79-hop system as specified in the Baseband Specification, we carry out experiments. Those experiments reveal that under certain conditions on device addresses and native clocks, interference can be as high as 50% even with just two Masters. We conclude that packet interference rate in a certain cluster of Bluetooth Masters is actually determined by their device addresses and the asynchrony among their native clocks.
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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 | 0.001 | 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 | 0.002 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| 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