Project Manager Design
Resume:
William B. Baringer
Piedmont, CA 94611 abnhju@r.postjobfree.com
Areas of Specialization and Research Interests:
Portable Wireless Solutions, Digital Cellular Handset and Base Station Architectures, RF System Analysis
and Design; Digital and Analog Communications Systems; RF Propagation Analysis.
Education:
• Ph.D. in Electrical Engineering, U.C. Berkeley, August ‘90.
Ph.D. Thesis: "A Radon Transform Image Processing System"
Major: VLSI Circuits. Minor: Digital Signal Processing.
• M.S.E.E., with honors, U.C. Berkeley, December '83.
M.S. Thesis: "A Thousand Word Real-Time Speech Recognition Board"
Employment:
• Senior Director of Wireless Systems, OQO, Inc., 1/06 – present
- All aspects of WWAN, WLAN, and WPAN systems for world-wide wireless connectivity.
- Development of highly integrated Wireless WAN systems, for EvDO Rev. A networks and
HSDPA/HSUPA (GPRS/EDGE, UMTS, WCDMA) networks; for the 850, 900, 1800, 1900, and
2100 MHz bands.
- Development of WiMAX systems in 2.5 & 3.5 GHz.
- Integration of solutions for private TS-CDMA systems in 2.6 GHz.
- Cellular carrier certifications.
- Development of highly integrated 802.11 a/b/g Wireless LAN and Bluetooth transceivers.
- Development of GPS receiver system.
- Antenna development, physically small while electrically large, for multiple transceivers, each with
multi-band resonances.
- Regulatory certification for regions around the world.
• Co-founder, Zoltar Satellite Alarm Systems, Inc., '93-present.
- Remote environmental status and location indicator. Analog, RF, GPS, and digital custom design
for personal alarm, health, and safety. Development of E-911 GPS-cellular intellectual property.
• Consultant to Berkeley Wireless Research Center, 1/04 – 4/04, 12/04 – 3/05
- Architectural and system-level design, and critical design review, of Multi-Carrier Multi-Antenna
transceiver.
- Analysis and design of analog, digital, RF, and baseband modules in MCMA system.
- Adaptation for research in Cognitive Radio development.
- Implemented engineering design flow, functional specifications and documentation, and critical
design review verification.
• Director of RF Systems Engineering, Berkana Wireless, 9/01 – 12/03
- Architectural and system-level design aspects of next generation cellular RF ICs.
- Complete analysis of the relevant performance specifications, defining the actual requirements at
the IC boundary, as well as internal IC performance requirements.
- Architectural design and analysis of internal IC signal paths, with level diagrams and filtering
requirements.
- Authored several key patents for company.
- Definition of the appropriate baseband modem radio driver files, with timing and sequencing
requirements.
- Documented baseband modem interface specifications and requirements, driving IC pinout
definition, serial bus interface definition, analog and digital signal level requirements, etc.
- Created flexible and programmable interface on IC, compatible with majority of commercially
available baseband modem ICs. Defined internal register maps accordingly.
- Architected radio reference designs.
- Authored Data Sheets, Application Notes, Software Control Manuals, for a wide suite of products.
- Architected Control Software Graphical User Interface. Drove outside consultants in the creation
and debugging of these GUIs, for a wide suite of products.
- Architected LabView test software for automated evaluation and screening of a wide range of
products, for ICs and for PCBs.
- Defined and reviewed Evaluation PCB architecture; schematics and layouts for internal
engineering testing as well as for customer evaluation.
- Engineering interface to Sales and Marketing.
• Founder, COO/CTO, Teba Technologies, 4/01 – 9/01
- Research, design, and implementation of circuitry and systems for advanced high speed data
communications over various wired media, using novel modulation schemes: 10 Gbps over Cat V
cable; 2 Mbps over 18 k-ft 24 AWG local loop; high-speed backplanes.
• Consultant, Senior Scientist, to Interwave Communications, 6/99 – 4/01
- Architectural and system-level design and critical review of next generation GSM/EDGE and 3G
cellular base stations and base station controllers. Multi-disciplinary project management of high
capacity equipment meeting strict international standards, in 19” chassis with thermal and power
supply challenges. Extensive RF, baseband, analog, and digital functional specifications and
simulations, for in-house engineers and outside vendors. Critical “hot-point” debugging for
circuits, boards, and systems. Engineering team management.
• Senior R & D Engineer, Project Manager, Diva Communications, 1/94 – 3/99.
- Designed and implemented complete RF Base Station for a Digital Local Wireless Loop, involving
full-custom analog, digital, RF, base-band hardware; encompassing architecture, design, and
implementation in a fast-growing low-resources start-up environment.
- Designed next-generation high-density WLL RF Base Station. Multiple frequency band optioning.
- Architected asymmetrical wireless system for high data rate WLL.
- RF cell planning / propagation modeling over topographic features in real deployments.
- Subscriber Terminal architectural design.
- Base Station Controller architectural design.
- Authored comprehensive and extensive homologation acceptance test procedures.
- Design specification of high-speed data pump ASICs.
- Design specification, configuration, and debugging of E1 and BRI multiplexers.
- Terrestrial and satellite digital microwave link specification and integration issues.
- Intellectual property research.
- Customization of in-house CAD tools.
- Research of novel RF architectures.
- Under contract to Innomedia: Voice over Internet Protocol carrier class architecture development.
• Consultant, Dolby Laboratories, Inc., '91, '92, '93.
Integrated circuit implementation of audio signal processing functions for a digital audio system.
• Consultant, Digital Radio Labs, Inc., '92.
Developed custom DSP to implement a digital audio system decoder for consumer applications.
• Consultant, IBM Almaden Research Center, Optics Dept., '91.
Designed coding VLSI ASIC.
• Consultant, IBM Almaden Research Center, Computer Science Dept., '90.
Designed image processing VLSI ASIC.
• Co-founder, INSITE Software, '89-‘00.
"Interactive Non-linear System Investigative Toolkit" for 3-D graphical solutions of chaotic ODEs.
Academic Experience:
• Post-Doctoral Researcher, EECS Department, 1991 to 1993.
High-speed RF modem design for Personal Communications Systems. Integrated filter designs in MCM-
D. Co-authored three year $3M ARPA grant and $500K equipment donations for RF modem project.
Responsible for large group of graduate students in multi-faceted project. Established joint research with
several commercial vendors of RF and digital equipment.
• Instructor, UCB EECS Department, "Digital Signal Processing", Fall 1990, Spring 1991.
• Instructor, UCB EECS Department, "Microelectronic Devices and Circuits", Spring 1991.
• Post-Graduate Researcher and Asst. System Specialist with Prof. R.W. Brodersen
at UC Berkeley, EECS Department, Spring, Summer, Fall 1983, and from Summer 1985 to Fall 1990.
Designed and fabricated real-time forward and inverse image processing Radon transform VLSI ASICs,
as well as custom multi-DSP VME-based real-time image processing PCB. Created infra-structure for
real-time six degree-of-freedom robot research, as well as color image processing research. Developed
board-level DSP module for image and speech processing applications. Designed custom high-speed
CAD-based SCMOS library components.
• Joint Study Coordinator and Researcher, IBM Almaden Research Center, Fall 1987 to 1990.
Exchanged algorithmic and architectural concepts for a VLSI implementation of a parallel pipelined
projection engine for real-time image processing in Radon space. Provided consultation on other real-
time image processing hardware.
• Joint Study Coordinator and Researcher, Information Sciences Inst., USC, Fall 1988 to 1990.
Developed vision recognition system for high accuracy position control for laser reconfigurable integrated
circuits. Provided image processing software and consultation for several IC inspection tasks.
Publications:
Available upon request.
Patents:
U.S. Patent 5,461,365, Oct. 1995: Multi-hazard Alarm System using Selectable Power-Level
Transmission and Localization
U.S. Patent 5,650,770, July 1997: Self-Locating Remote Monitoring System
U.S. Patent 5,963,130, Oct. 1999: Self-Locating Remote Monitoring System
U.S. Patent 6,198,390, March 2001: Self-Locating Remote Monitoring System
U.S. Patent 6,518,889, Feb. 2003: Voice Activated Personal Alarm
U.S. Patent 7,154,980. December, 2006: Frequency Synthesizer with On-Chip Registers.
U.S. Patent 7,158,760. Jan, 2007: Frequency Synthesizer with Selectable Preconfigured Synthesizer
Characteristics.
U.S. Patent 7,197,283, March, 2007: Dynamic Frequency Synthesizer Configuration.
Pending U.S. Patents in several areas of RF communication systems.
Associated PCTs granted in various countries.
Other Interests: Hang-gliding, paragliding, back-country skiing, sea-kayaking, scuba diving, and sail-
boarding.
Contact this candidate