Docsis Expert Witnesses
Docsis expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on docsis. The docsis expert witness listings on this page are typically from fields/areas of expertise such as: Internet and Telecommunications.
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Greg Macijuk, P.Eng.
5G/Wi‑Fi/Wired Telecom & CPE Expert, Code Review
Mountainside Digital Consulting Inc.
Calgary, Alberta
Telecommunications, Internet
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Broadband, DOCSIS, XGSPON, 5G, Wi-Fi 3/4/5/6/6e/7, Cellular, Telecom, CPE, IoT, OFDM/OFDMA, PHY/MAC, FEC, FPGA/ASIC/SoC, CPU Architecture, Firmware, Source Code Review, C/C++/RTL/Python, Hardware/Schematics, Standards, Claim Mapping
I’m a Professional Engineer and broadband communications specialist with nearly three decades of experience designing, deploying, and analyzing advanced access‑network technologies. My background spans DOCSIS, EPON/XGSPON, Wi‑Fi (802.11 g/n/ac/ax/be), home‑networking systems, and large‑scale broadband architectures used across the cable and telecom industries.
I support litigation teams with technical analysis involving 3GPP 5G and IEEE 802.11 standards. My work includes source‑code review, claim interpretation and mapping, Relativity document review, and network protocol tracing. I translate complex engineering concepts into clear explanations.
Before consulting, I spent 18 years at Rogers Communications in engineering leadership roles focused on Wi‑Fi CPE, DOCSIS systems, latency‑reduction technologies, and next‑generation home‑networking architectures. I’ve contributed to CableLabs working groups, Wi‑Fi Alliance technical task groups, and multiple IEEE ballot committees.
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