Low-cost E-band receiver front-end development for gigabyte point-to-point wireless communications
Bibliographic record
Abstract
This paper presents an attractive low cost E-band (81-86 GHz) receiver front-end system with a broad bandwidth (up to 5 GHz) based on substrate integrated waveguide (SIW) technology. The proposed subsystem is designed for gigabyte point-to-point wireless communication system. Active components are surface-mounted on alumina substrate utilizing miniature hybrid microwave-integrated circuit (MHMIC) technology. To increase gain and bandwidth of the antenna, and also to reduce fabrication cost, antenna and passive components are designed and fabricated on a low cost Rogers 6002 substrate with low dielectric constant. To fabricate the passive components, low cost printed circuit board (PCB) process is used. Then, the two substrates are integrated together by simple wire bonding process. With this design and implementation technique, our E-band front-end receiver subsystem can demonstrate attractive advantages and features such as broad bandwidth, low cost, compact size, light weight, and repayable performance. The minimum detectable power density at the receiver point is 0.41 μW/cm<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> and the dynamic range is 72 dB.
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How this classification was reachedexpand
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 | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".