Effects of carrier phase and chip timing errors on the capacity of a quadriphase spread BPSK modulated DS-CDMA system
Why this work is in the frame
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Bibliographic record
Abstract
Efficient series that are used to calculate the probability of error for quadriphase spread, BPSK modulated, synchronous, quasi-synchronous and asynchronous DS-CDMA systems in the presence of chip timing and carrier phase errors are derived. The derivations require the characteristic functions of the multiple access interference and of the self interference. These series are then used to assess the capacity of the systems at different levels of synchronization errors. The derivations are performed for both constant and random synchronization errors. Using the series, the asynchronous quadriphase spread system capacity is compared to that of an asynchronous binary spread system.
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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 | 0.001 |
| 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