On the Secrecy Rate Achievability in Dual-Hop Amplify-and-Forward Relay Networks
Why this work is in the frame
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Bibliographic record
Abstract
The achievable secrecy rate of a dual-hop amplify-and-forward relaying system, in the presence of an eavesdropper, is investigated based on the different values of the wireless links' signal-to-noise ratios (SNRs). It is shown that when the direct link to the eavesdropper is in a better condition than the direct link to the destination, but the relaying link for the destination is better than the relaying link for the eavesdropper, under specific conditions for the links SNRs, it is possible to achieve the secrecy rate for a limited range of the relay power. On the other hand, when the direct link to the destination is better than the direct link to the eavesdropper, under certain conditions for the links' SNRs, it is not always beneficial to employ the relay, since there exists a limited range of relaying power for which secrecy rate is not achievable. Finally, it is shown that the source transmit power has no impact on the secrecy rate achievability. Simulation results confirm the theoretical analysis carried out in this letter.
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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 | 0.002 | 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 | 0.000 |
| 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