John Ren Email & Phone Number

Santa Clara, California, Us

System software planning role for AMD’s most advanced adaptive computing silicon devices in Adaptive, Embedded and AI Group (AEAI) responsible for System software roadmapsNew silicon enablementSoftware feature planning

Santa Clara, California, Us

Onsite support role at Arris/Commscope for Intel PUMA6 SOC based Comcast product line XB3• Started this new role from year 2020 to strengthen our onsite support team for our most important OEM partner. Onsite support specialist at Technicolor for Intel DOCSIS broadband home data gateway• Sustained full series broadband data home gateway deployed worldwide in US, Europe and Asia. • Collaborated with Technicolor and major MSOs including Comcast, Cox, Videotron, LGI to resolve their most challenging technical issues. • Delivered ongoing support on MOCA certification, Intel SDK upgrade, DOCSIS maintenance, QCA wifi integration, power management module triage, MTA voice debugging, RDKB yocto migration, product launch at LGI Gemany and Tigo in South America Platform support and sustaining on site Comcast for RDK-based headed and headless video gateways built on Intel ARM/Atom based SOC• Maintained and enhanced Intel SDK to enable Comcast RDK migration from 1.3 to 2.0• Optimized Gstreamer plugin code to enhance media pipeline functionality and performance• Sustained Intel streaming media driver (SMD) codebase interfacing Comcast RMF media framework.• Supported platform modules including video and audio pipelines, graphics engine, Linux kernel, Networking (DHCP, UPnP, NAT, LAN/WAN, MoCA, DOCSIS, DSG)• Supported migration of Intel SDK from SVN to Git/Gerrit and Yocto environment.• Strengthen our relationship with our key customer onsite at Comcast Headquarter.

San Jose, Ca, Us

Software development and sustaining role in multiple projects as a client software core team memberHeaded video gateway drivers development based on Comcast RDK architecture• Designed and implemented manufacturer library module as part of MPEOS.• Ported device tree library and NVM proxy module to G8RI software stack with OCAP-RI.• Customized Linux adaptor code interfacing Cisco bootloader.Software integration and sustaining on Cisco’s first-to-market Videoscape platform SA-9865HDC• Ported Broadcom Media Manager modules into Cisco Reference Platform software stack. • Tested and verified media alarm logic interfacing Broadcom Nexus layer.• Sustained OS driver codebase for multiple major customers including Time Warner, Cox and Comcast.Full stack support and enhancement for Cisco legacy platforms• Implemented cross-platform enhancements in video codec drivers.• Optimized digital recording and Time Shift Buffer (TSB) module for robust playback and trick modes.• Resolved critical field technical issues as key technical staff for multiple customer sites. • Earned Comcast CFT appreciation award.

Us

Media drivers development and sustaining on real-time Linux kernel in the Next Generation Platform (NGP) project• Developed digital video decoder driver on STMicro chipset to reliably process MPEG2, h.264 streams.• Designed Linux driver code related to video data path and transport streams.• Supported digital video recorder (DVR) subsystem code base.• Resolved critical issues gating major releases, customer acceptance or factory shipping.• Contributed to NGP platform’s success as among the company’s most widely deployed high-end consumer premise products (CPEs) at major MSOs and a major revenue source for the companyDigital video drivers development in the 8KG4-DVD project• Developed and implemented OS driver modules interfacing MPEG decoder and encoder.• Implemented driver code to support DVD-Video line 21 data, DVD menus and sub-pictures. • Designed GPIO, front panel and front panel button drivers.• Contributed to the success of 8KG4-DVD platform as winner of the Consumer Electronics Association's Best of Innovations award of 2005 in Video components category.Client-side DVR design in multi-room DVR (MRDVR) project• Designed and implemented client-side trick mode engine on video playback, forward/rewind trick modes. • Recognized as one of the patent owners of our novel proprietary DVR scheme.• Contributed to the success of Multi-room DVR product as winner of Consumer Electronics Association's Communications Technologies Reader’s Choice Award of year 2004.OS driver codebase sustaining on multiple STB platforms• Enhanced driver code in infrared (IR), NVM and Watchdog modules.• Integrated the new DMA driver into existing platforms. • Redesigned transport module on packet processing/filtering for QAM/QPSK channels.

Designed and engineered micro controller integrated intelligent parking system• Developed firmware for automated parking ticket terminals based on Motorola 68HC11 interfacing bar-code/magnetic readers, auto-gate control logic and LCD graphics displays.• Undertook full firmware development cycle with communication protocol specification, software design, coding, debugging, testing, system verification and product release.• Participated full system integration of system server, pay station, ticket terminal, cash register and automated gates.• Managed CPE overseas projects remotely and locally in CPE international expansion. • Contributed significantly to CPE’s success as premium brand with highest market share in mainland China for three years.

Ph.D., Electrical And Electronics Engineering

Master'S Degree, Computer Engineering

Bachelor'S Degree, Industrial Automation