Fully Integrated Sub-Microwatt CMOS Ultra Wideband Pulse-Based Transmitter for Wireless Sensors Networks
Bibliographic record
Abstract
This paper presents the design of a fully integrated sub-microWatt CMOS ultra-wideband (UWB) pulse-based transmitter, aimed for low data rate wireless sensors networks. The transmitter consists of a current starving clock, an all-digital pulse generator, and a 2nd derivative Gaussian pulse shaping network with 50 Omega driving capability. The design is implemented in a standard CMOS 0.18 mum process. A typical pulse width of 170 ps is achieved. Two commonly used modulation schemes are investigated. Namely, on-off keying (OOK) and pulse-position modulation (PPM). The complete design occupies an area of 0.14 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2 </sup> and consumes an average power of 326.3 nW at 200 Kpps (pulse-per-second) with a 1.5 V supply. At a maximum pulse repetition rate of 100 MHz, the transmitter consumes no more than 82 muW in power, which is among the lowest in transmitter designs reported to date
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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 | 0.000 | 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 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".