Design and Performance Measurement of Implantable Differential Integrated Antenna for Wireless Biomedical Instrumentation Applications
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Bibliographic record
Abstract
The growing demand of implantable medical devices is crucial for enabling real-time monitoring in biomedical and healthcare fields. This paper presents a differential integrated antenna for biomedical instrumentation applications in the Industrial, Scientific, and Medical (ISM) frequency bands (915 MHz and 2.45 GHz). The size of the proposed cubic flat differential system is (0.103λg × 0.103λg × 0.005λg), where λg is the guided wavelength at 915 MHz. The performance analysis of the differential antenna is carried out within homogeneous, heterogeneous, and realistic body models to design the proposed implantable integrated antenna. To validate the design method, a differential antenna is fabricated and assembled with different circuit components as per the simulation scenario and experimentally verified in the vicinity of skin mimicking phantom and minced pork. The measured -10 dB impedance bandwidth and far-field gain in the phantom are 16.4% and -30.3 dB, respectively, at 915 MHz, and 10.2% and -21.2 dB, respectively, at 2.45 GHz. Also, the communication link is calculated and evaluated based on the specific absorption rate (SAR) of the proposed differential integrated antenna at 1 W input power.
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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