John Ulm
Eng Fellow, Broadband Systems
CTO – Network Solutions team
CommScope

John is an Engineering Fellow for CommScope CTO Network Solutions group, investigating Advanced Technologies for Broadband Systems. John was inducted into the Cable TV Pioneers in 2019 as part of the DOCSIS Inaugural class.

Recent research includes:
• Next generation HFC distributed access architectures, including Remote PHY, Remote MACPHY
• FTTx migration strategies for HFC: Fiber Deep N+0, FTTC & FTTH
• DOCSIS 3.1/4.0 and futures: Full Duplex (FDX) & Extended Spectrum
• Network capacity modeling
• IP Video solutions featuring multicast- ABR

John’s three decades in the Broadband industry began as architect and MAC developer at LANcity, pioneering the industry’s first cable modems. He was a primary author for the Cable Industry’s DOCSIS 1.0 and 1.1 specifications. He also was senior technical consultant to Broadband industry with YAS Corp and Eng Fellow with Motorola’s Broadband Group and ARRIS Corp.

John holds a BSEE and MSEE from RPI and has a multitude of papers and patents to his name.