Efficient Millimeter-Wave Antenna Based on the Exploitation of Microstrip Line Discontinuity Radiation
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Bibliographic record
Abstract
In this paper, a new design perspective utilizes microstrip line discontinuities radiation losses to create an efficient, high-gain millimeter-wave low-profile antenna at 60 GHz. A very compact structure with dimensions of 1.14λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">o</sub> ×0.82λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">o</sub> and a substrate thickness of 0.0508λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">o</sub> is proposed. A gain of 11.5 dBi boresight and a 10 dB return loss relative bandwidth of 3.66% (equivalent to 2.2 GHz of bandwidth) have been achieved. Qualitative analysis with simple transmission line theory was used to model the structure. An increase in the relative bandwidth to 11.67%, covering the 60 GHz ISM band (57-64 GHz), has been achieved by tuning the antenna to resonate at multiple resonances within the band of interest. A very high efficiency of 98% has been achieved. The proposed antenna possesses a significant advantage, where it can be employed in a linear antenna array, with a center-to-center distance between adjacent elements greater than half of the free-space wavelength, without producing grating lobes, this reflects positively on reducing the mutual coupling between elements, and gives higher flexibility in the design of feeding network.
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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