An analog spread-spectrum interface for power-line data communication in home networking
Bibliographic record
Abstract
Communication using power line as a medium of signal transmission offers a convenient and inexpensive solution for multimedia signal transmission and control applications in smart home networking. This work presents a novel analog spread-spectrum (SS) scheme for physical-layer interface in home networking. The proposed communication scheme uses a chaotic system to modulate the information signal for wideband transmission. The wideband spectral property of the transmitted chaotic signal adds robustness to the proposed scheme against the hostile power-line environment that is characterized by non-Gaussian noise and multipath propagation. By exploiting the ergodic property of chaotic signals, a simple noncoherent receiver is developed here. Not only does the proposed analog scheme demonstrate satisfactory communication performance, but it can also be implemented with simple hardware and low manufacturing cost, which is an important consideration for cost-effective home networking. The proposed noncoherent SS system does not involve quantization and complex synchronization process and, hence, it is more efficient in transmitting analog multimedia signals compared to the conventional SS system. Performance analyses illustrate the superior communication performance of the proposed analog SS system over the conventional SS scheme for multimedia signal transmission in a power-line home networking environment.
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How this classification was reachedexpand
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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".