BER performance assessment of linearized MIMO transmitters in presence of RF crosstalk
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Bibliographic record
Abstract
This paper investigates the effect of nonlinear crosstalk on the overall performance of the MIMO transmitter. It proposes a linearization technique to correct for the effect of crosstalk and hence enhance the BER performance of the MIMO system. Recently it was shown that in the presence of nonlinear crosstalk, the conventional digital predistortion technique is unable to linearize the transmitter, which leads to significant degradation in bit-error-rate of the MIMO system. In this regard, a new digital predistortion method known as crossover digital predistorter (CO-DPD) is developed and implemented. The simulation results show that the CO-DPD model is able to both compensate for the transmitter nonlinearity and achieve BER results close to the ideal MIMO transmitter.
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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