Sheet A-001 · General arrangement
Jacob
Winick
I build satellite modems. As one of the first hundred employees at Amazon Leo, I carried its custom modem silicon from MATLAB simulation through seven chip iterations to production firmware on orbit. Now I lead a seven-person firmware team and build AI-first, agentic test infrastructure. I started in machine-learning research, and next I want to help bring frontier AI to product.
- Engineering manager, modem systems embedded firmware, Amazon Leo
- M.S. EE, UT Austin, research in machine learning for wireless
- Next: bringing frontier AI from prototype to product at scale
Fig. 0Detail — 16-QAM, AWGN channel · simulated live
- Symbol errors
- 7 / 512
- SER, theory
- 0.018
Drag Es/N0. Red points are decoded wrong.
Section A–A: Simulation to orbit
Amazon Leo · Mar 2020 – present- 01 · SIMMATLAB modem simulationProprietary waveform, multi-TTI
- 02 · PRE-SiVerification infrastructurePython · MATLAB · AWS regression
- 03 · POST-SiPHY bring-up7 silicon iterations
- 04 · FWProduction firmwareTerminal DL PHY · gateway MIMO
- 05 · ORBITOn-orbit operationDaily PHY triage · BLER analysis
Seven silicon iterations · team grown 3 → 7 in one quarter · first prototype satellites launched on Atlas V
Selected drawings
Full register →Research from graduate school and things I build outside work. The day job is in the résumé.
| Dwg no. | Title | Discipline | Year | Rev | Status |
|---|---|---|---|---|---|
| JW-101 | Neural LDPC DecodingBelief-propagation LDPC decoding unrolled into a trainable PyTorch network, fed by a learned LLR estimator for quantized OFDM. | research | 2019 | B | Released |
| JW-102 | Quantized OFDM DetectionA learned LLR detector for OFDM behind 1-, 3-, and 5-bit ADCs, swept over clipping level and loss weighting, AWGN and fading. | research | 2019–2020 | A | Released |
| JW-202 | Branches — Trip PlannerA map-first trip planner where the itinerary is a notebook of cells. Notes become pins on the map, and AI cells add places. | software | 2026 | A | In progress |
| JW-203 | SecretaryAn LLM agent harness over my personal notes. The model is the brain, and one small read-only module is the only code touching disk. | software | 2026 | A | In progress |
General notes
- Each drawing lists its stack under Materials in the title block.
- This sheet is the current revision and supersedes jacobwinick.com (2019).
- Off the clock: backcountry skiing, bikepacking, sailing, film photography, violin and saxophone. A camper van is under construction. See About.
| Rev | Date | Description |
|---|---|---|
| A | 2026-11-09 | Initial release. Supersedes jacobwinick.com (2019). |