An Ultralow-Power Crystal-Free Batteryless TDD Radio for Medical Implantable Applications
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
This article presents an event-driven ultralowpower radio intended for miniaturized biomedical implants. In its powerlink, the system employs an RF-to-dc converter to scavenge energy from the electromagnetic waves in the 2.4-GHz unlicensed industrial, scientific, and medical (ISM) band. The bidirectional time-division datalink is realized by exploiting the 915-MHz ISM band, and its operation is coordinated by a smart control module, where the cyclic redundancy check is conducted to switch the system between monitoring and interrogation modes. A proof-of-concept radio is fabricated in a 0.13-μm CMOS process with the chip area of 1.4 mm2. Without employing any external components, the radio is robust to process, supply voltage, and body temperature variations, leading to a low-cost and highly integrated wireless solution. During the monitoring mode, the downlink data reception and demodulation are realized by a receiver that consumes 27.5 μW while achieving a sensitivity of -69 and -59 dBm at the data rates of 1 and 100 kb/s, respectively. Dissipating peak power of 49.5 μW in the interrogation mode, the data transmitter delivers an output power of -30.6 dBm with a data rate of 2.5 Mb/s.
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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