Full-duplex transmitter cooperation, feedback, and the degrees of freedom of SISO Gaussian interference and X channels
Why this work is in the frame
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Bibliographic record
Abstract
The Gaussian single-input single-output (SISO) K-user interference and M × K X channels are investigated in i.i.d. fading environment with no instantaneous channel state information (CSI) at transmitters. First, it is assumed that the CSI is fed back to all nodes after some delay (delayed CSIT), and furthermore, the transmitters operate in full-duplex mode. Achievable results on the degrees of freedom (DoF) of these channels under the above assumption are obtained. Then, achievable DoFs are obtained for the K-user interference and K × K X channels with output feedback and also Shannon feedback, which is a combination of output feedback and delayed CSIT, and compared with the achievable DoFs under the full-duplex delayed CSIT assumption.
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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