Self-Interference Mitigation Using Active Signal Injection for Full-Duplex MIMO-OFDM Systems
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Bibliographic record
Abstract
This paper presents two self-interference (SI) cancellation methods using active signal injection (ASI) for full-duplex MIMO-OFDM systems. Specifically, the ASI approach considers adding an appropriate cancelling signal to the transmitted signal to reduce the SI at the receiver input to avoid overloading the receiver low-noise amplifier (LNA) and analog-to-digital converter (ADC) while ensuring proper signal detection. In the first method, the cancelling signal uses some reserved subcarriers that are not used for data transmission. In the second method, the constellation points are dynamically extended within the cancellation boundary in order to minimize the SI. The proposed techniques appear to be simple to implement and do not require any change on the receiver structure.
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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