Jeffrey Fischer
`1804 Garnet Ave. Suite 625
`San Diego, CA 92109
`(Formerly Boston, MA)
`617-823-2560 (M.)
`Jeff.Fischer@ieee.org
`
`Profile
`
`Hands-on consulting in wireless product architecture, design, system analysis, simulation, system
`integration, hardware and firmware development, intellectual property, integration with
`engineering teams
`Expert witness for patent infringement, invalidity, technical damages, alternative technologies,
`prior art, evidence of use, code review Software, hardware, Verilog, RTL, VHDL, claim charts, IPR
`declarations, technical contract disputes and licensing.
`Technology areas include wireless data, voice and video, WLAN, WWAN, WiMax, Cellular, Wi-Fi
`including 802.11a/b/g, 802.11n, 802.11ac, 3G, 4G, LTE, interference management, MIMO, OFDM,
`SC-FDMA, Space-time processing, Single Carrier, SC-FDE, spatial multiplexing,beamforming, multi-
`user MIMO, ARQ, transmit precoding, antennas, modulations (QAM, FSK, PSK, PPM, PCM, etc.), and
`other narrowband and spread spectrum technologies (FH, DSSS, CDMA, UWB), FEC, interleaving,
`wireless sensor networks, RFID (passive, BAP, Active, UHF, HF, and NFC), RTLS and asset tracking.
`Technical expertise spans analog, digital, and RF circuit and filter design, antenna design, complex
`modulation and demodulation, signal processing, microcontrollers, multiprocessing, firmware,
`digital interfaces, C, Verilog, RTL, HDL, air protocol and MAC design, wireless networking, security
`and authentication, asset tracking, real time location, multipath processing, signal processing,
`homologation, regulatory agency and standards issues.
`Expert witness experience includes more than 35 cases split across plaintiff and defendant, IPRs,
`contract disputes, and licensing.
` Co-Patented foundation technology in 802.11b (used in over 800 Million WiFi chipsets sold/year)
` Co-chair of RFID EPC Gen2 Working Group; participated in harmonizing ISO 18000-6C standard
`with EPC Gen2; multiple industry and end user groups
` Developed industry leading multi-protocol WLAN, cellular backhaul and bridging products
` Products and systems designed and commercialized throughout vertical industries ranging from
`retail and manufacturing to healthcare to government and defense
` Six years at MIT Lincoln Lab developing high bandwidth signal processing for advanced packet
`radio networks, including RF, analog, digital, and microcontroller support circuits
`
`Summary
`Broad experience in electronic communications with major innovations and
`contributions to the wireless LAN, backhaul and RFID industries
`
`Key Career Work & Achievements
`
`▪ Consulted for over 15 companies in a variety of technologies
`
`▪ Five years driving signal processing architecture and systems engineering for Fastback Networks
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`▪ Technical Advisor, Department of Electrical Engineering, Montana Tech of University of Montana
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`▪ Five years as Chief RF Architect at industry-leading Reva Systems developing scalable RFID systems
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`▪ IP development and analysis, over five years as an expert witness in more than 35 cases of patent and
`contract litigation
`
`▪ Three years at Proxim, developing circuits and chips for industry leading multi-protocol WLAN and
`bridging products
`
`▪ Fifteen years at MICRILOR during the inception of the Wireless LAN industry, developing multiple
`products and co-patenting technology that is the basis for the current 802.11b standard
`
`▪ Six years at MIT Lincoln Lab developing high bandwidth signal processing for advanced packet radio
`networks
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`Range of work:
`
`Worked on all forms of analog, digital, and RF hardware designs for communications systems and
`general circuits from baseband to 7 GHz operation and millimeter wave design issues.Designed
`antennas, developed innovative physical layer and MAC layer designs, worked on five ASICs, built
`microcontroller and microprocessor based systems, wrote firmware, modeled in MATLAB, did ASIC
`system engineering, designed RF channel probes for analyzing multipath, MIMO signal processing,
`millimeter wave systems, designed protocols, ran standards groups, worked with regulatory agencies, set
`up long range terrestrial radio installations, developed entire systems flow and worked closely with
`customers to solve process and implementation problems, generate sales, understand markets, help
`them through pilot programs to get to sales, and overcome technical hurdles to get to a sellable position.
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`Worked with the FCC, ETSI, IC, Anatel and MIC in developing rules for RFID, WLAN, Radar compatibility,
`and fixed radio operation.
`
`Participated in 802.11 working groups, co-Chaired the RFID Gen2 working group, participated in several
`other groups including Data Protection, ISO 18000-6, Item Level tagging technology group, and was
`designated Referee in the EPC Global Item Level Tagging technology bakeoff among 200 companies.
`
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`Experience
`
`Feb. 2009 - Present Independent Consultant, Boston, MA
`
`Consulting:
`• Patent litigation on 35 cases including 6 IPR
`• HF data transfer, non-standard wireless links for audio, production environment for Wi-Fi
`based commercial products
`• Matlab simulation of wireless sensor system
`• Lead a systems team in developing the signal processing and control architecture an
`advanced backhaul radio.
`• Lead a homologation group developing hitless DFS operation in unlicensed bands
`• Printed-electronics tag design and applications
`• Near-Field Communications tags and readers
`• Optimizing an RFID installation for a DoD installation
`• Authentication for RFID systems. Design of a highly-secure battery assisted passive RFID
`tag system
`• Architecture of a 433 MHz active RFID link
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`• High performance design for an RF pulse generator for a DARPA contractor
`• Development of a miniaturized long range communications link for networked video
`transmission in a small unmanned air vehicle system (SUAS)
`• 802.11n consumer product, 3x3 MIMO including spatial multiplexing, diversity, and beam-
`forming; antenna design investigations and performance measurements in real environments
`• Extensive circuit, software, and algorithm development on a long range MIMO product
`• Cell phone front end RF-circuit
`• Analysis of in-home technology approaches for wireless sensor systems for a major
`corporation
`
`Patent Litigation:
`Expert reports on infringement, invalidity rebuttal, claim declaration, IPR (declarations for
`petitioner, patent owner responses, and motion to amend), prior art research and analysis, claim
`charts, code review (C and RTL)
`Worked for both plaintiff and defendant sides
`Tore down hundreds of products and made field measurements on products for evidence of use
`Code review of C and Verilog for many products and code bases
`Wrote numerous analysis comparing alternative technologies
`Worked closely with attorneys to develop technology understanding and formulate theories
`
`Dec. 2003 - Feb. 2009 Reva Systems, Chelmsford, MA
`
`Chief RF Architect
` As the second employee of Reva Systems, the leading RFID infrastructure company, I served as the
`Chief RF Architect for 5 years.
` Contributed to early stage technical value analysis of product positioning and helped develop company IP
`portfolio.
` Worked with customers to field pilots in manufacturing, distribution, retail sites, and asset management.
`Completed numerous successful deployments.
` Analyzed, implemented, and documented, RF and process techniques for aggregation and verification of
`goods using RFID, leading to customer successes.
` Built up an RF lab for evaluating partner RFID reader and tag products and performed numerous
`empirical studies on tag and reader performance to determine how to optimize operation specific to each
`reader brand.
` Designed methods to reduce interference among multiple readers, analyze location information, precisely
`control reader operation, and mine the data generated from fields of tags obtained by fixed readers,
`handhelds, and forklift readers.
` Created analysis and algorithms in MATLAB for planning RFID coverage, coordinating and combining
`data from multiple readers, locating tags, and isolating ambient tags from tags of interest; managed
`software team members in translating these into implementations in various embedded languages.
`
` Standards and Regulatory Work
` Co-Chaired and contributed to the Gen2 Working Group for four years as well as several ad hoc
`groups and requirements committees in an effort to help the RFID industry take hold. Participated in
`parallel ISO work.
` Worked with ETSI to create new RFID regulations in Europe and worked closely with the FCC to craft
`the 900 MHz RFID measurements required in the US that would allow mass deployment of RFID
`tags.
`
`
`Oct. 2002 - Nov 2003 Independent Consultant / Chief Architect
`Boston, MA
`
`▪ Drove RF and system architecture roadmap, product requirements, IP and business cases for two groups trying
`to form venture funded startups. Analyzed emerging capabilities in the industry, innovated leapfrog advances in
`these areas, and filed provisional patent applications. Presentations to venture capitalists and diligence teams.
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`Analyzed customer business models and worked on partner arrangements. Began investigation of RFID
`technology.
`▪ Worked on varied problems in physical and MAC layers for customer’s radio systems
`▪ Architectural design and assistance in design of company products; and performance analysis of product
`concept in MATLAB.
`▪ Technical diligence teams for technology or company acquisition including analysis of patent portfolios,
`MATLAB analysis of technical claims, regulatory agency diligence, and customer capability diligence.
`
`
`Jan. 2000 – Oct. 2002 Proxim Corporation (Boston Design Center) Wakefield,
`MA
`
`In January, 2000, MICRILOR, an internally funded company that Mr. Fischer was part owner of, was
`purchased by Proxim, inc., based in Sunnyvale, CA, and the MICRILOR team became the Boston Design
`Center for Proxim.
`
`Systems Architect for Advanced Development Group Reporting to CTO
`▪ Responsible for system design, RF chip analysis in MATLAB, and overall design issues involved in
`development of a 4 million gate, multi-protocol, baseband/MAC chip to do 802.11a/b/g/h/e/i and 802.16a, as
`well as proprietary modes.
`▪ Responsible for the mixed signal section of the multi-protocol chip, and created novel schemes for reliable low-
`power detection of multiple incoming signals, a unique AGC method required for supporting the ultra-wide
`dynamic range, and uncovered significant performance issues with existing 802.11a detection methods.
`▪ Worked with IP core vendors to define mixed-signal requirements, and with a major mixed-signal chip company
`to help define the converter requirements for future WLAN business.
`▪ Made or influenced buy vs. build decisions.
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`Technical Project Lead for the Stratum MP
` Designed the MAC protocol, digital board and firmware operation of the StratumMP, the highest throughput
`radio in the point-to-multipoint unlicensed class.
`Integrated SNMP, an http server, and an HTML interface for internet control of the Stratum MP radios.
`Interfaced with customers to understand their performance requirements as determined by actual
`applications (WISP, VOIP, etc.) and developed fine tuning adjustments to the MAC protocol to optimize
`performance.
` Established network testing to simulate customer situations. Pushed product through the field trials and
`production phase.
` Patent infringement support of cases based on the 802.11b technology patented while at MICRILOR resulting in
`over $50MM of remuneration.
`
`Oct. 1986 – Jan. 2000 MICRILOR Wakefield, MA
`MICRILOR was a small internally funded company formed by former MIT Lincoln Laboratory employees
`to work on RADAR, communications, and instrumentation problems. In 1994 MICRILOR teamed with a
`major Japanese company to develop the first 10 Mbps spread spectrum radio which was based on
`technology patented at MICRILOR, and which formed the basis for the 802.11b standard used in WiFi.
`
`Senior Engineer and Technical Project Lead for Numerous Projects
` Drove the development of the first 10 Mbps wireless LAN product to pass FCC approval for unlicensed
`transmission. The $6 Million product development was funded by a multi-billion dollar Japanese company that
`moved an engineering team to MICRILOR.
` Fundamental system definition, design of the signal processing and control logic, design and debug of the
`embedded firmware.
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` Management of the firmware and hardware engineering team, and daily management and coordination of much
`of the program including budgeting, expenditures, development tool and equipment purchases.
` Designed and brought to production four chips using back-end support companies. Did much of the circuit
`design, Verilog synthesis, timing simulation, test vector generation, and qualification for these developments.
` Served as customer interface in the effort to bring the product to the OEM market.
` Co-patentee with Dr. John Cafarella on four patents relating to the 10 Mbps technology, which formed a basis
`for the now current 802.11b IEEE standard. These patents teach the combination of orthogonal signaling with
`direct-sequence spread-spectrum to achieve high data rates while maintaining the processing gain needed to
`combat multipath and interference in a practical deployment. They became very lucrative for Proxim and the
`techniques are still being used in the wireless industry.
` Worked with the technical branch of the FCC to help them converge on fundamental definitions and
`specifications needed for the emerging spread spectrum equipment.
` Member of working groups for IEEE 802.11a and 802.11b standards committee. Interfaced with many
`companies and promoted the MICRILOR modulation techniques. All 802.11b wireless LAN equipment made
`today is based upon this modulation technology.
` Developed a low-cost, high throughput multipoint network-radio bridge. This product achieved 9 Mbps
`throughput from a 10 Mbps payload rate radio network; a PHY and MAC efficiency that set a new benchmark in
`the unlicensed bands.
` Architecture, digital circuit design, FPGA design, ASIC circuit design, Verilog design, analog and RF circuit
`design, antenna and transducer design and impedance matching, protocol design and multi-processor firmware
`design and coding. Designed many phase-locked loop, AGC, and unique normalization and tracking loops.
`Designed numerous baseband, RF, and microwave filters. Designed channel probing tests to measure
`propagation and multipath characteristics. Noise figure and other RF measurements. Processing gain and
`performance measurements.
` Taken products from concept and tradeoff analysis, through design, prototyping, in-house testing, field trials,
`regulatory testing (national and international), production, packaging, and customer follow-up.
` Worked on a variety of military communications systems and signal-processing subsystems including an
`underwater spread-spectrum acoustic data link, a chirp-transform-based transceiver, RFID reader/tag system,
`and a superconducting-component satellite communications processor.
` Product architecture and circuit design for a variety of commercial product developments including a cordless
`telephone, early wireless LANs for AppleTalk, zero-net, and token ring. Simulated various performance
`capabilities and spread spectrum coding schemes in multipath, interference, and noise.
` Managed large circuit and product efforts including incoming test of components, qualifying components
`purchased outside, environmental and EMI testing and debugging. Managed product and circuit board design
`for numerous developments.
`Invented new modulation circuits including a digital generation of MPSK and a dense bits/Hz on-off-keying
`technique.
` Drove the development of a commercial 19.2 Kbps, high processing gain direct-sequence spread-spectrum,
`dual-processor software-based modem, with high multipath immunity.
` Conceived of, explored market, and designed, built and tested a line of low-cost FSK radio modules that were
`used for control, sensing, and telemetry. Created advertising, interfaced with customers, and provided
`applications support for this product line.
` Made low-cost commercial and industrial grade unlicensed RF devices, including message generators,
`encoders and repeaters using various modulation methods and RF parameters.
` Created unique in-house test fixtures and equipment when outside sources were not available.
`
`June 1980 – Oct. 1986 Massachusetts Institute of Technology, Lincoln
`Laboratory Bedford, MA
`
`Staff Member, Analog Device Technology Group
`▪ Development of signal processing algorithms, architectures and circuits for the application of advanced analog
`signalprocessing devices.
`▪ Development of the most advanced SAW convolver based direct sequence spread spectrum (DSSS)
`packetradio data link reported at that date. This was part of the DARPA and CECOM Advanced Packet Radio
`programs.
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`o The radio supported up to 60 dB of signal-processing gain at 100 MHz signal bandwidth. It used
`spread spectrum for low probability of intercept, anti-jam communications. The receiver used a RAKE
`processor for multipath diversity and range measurement.
`o Analyzed and simulated signal processing performance.
`o Designed the analog and digital signal processing circuits and the real-time control logic.
`▪ Trained and supervised a team of technicians in the construction and testing of ultrawideband and highly
`sensitive circuits.
`▪ Designed and built numerous unique circuits for wideband communications, microprocessorbased highspeed
`control, and instrumentation.
`▪ Reported on the team’s work in technical journals and conferences, including an invited paper for the
`Proceedings of the IEEE.
`
`Specific Notable Government-Funded Work
` MIT Lincoln Laboratory 1980-1986
`o Worked on various DARPA, ARMY and AIR FORCE programs.
`o Major program: 1980 – 1986 development of the Advanced Packet Radio for DARPA and the US Army
`CECOM under the Communication Network Technology program (clearance level: Secret)
` MICRILOR 1986 – 1998
`o Various Defense Contracts
`o Transform-based communications processor (Rome AFB)
`o High Rate Wireless Networking (CECOM) exploratory work
`o High Rate Wireless Networking (CECOM) Follow-on work to build a radio test-bed
`o Underwater Acoustic Spread Spectrum Communication System (Navy)
` Draper Laboratory 2010
`o Micro Digital Data Link for SUAS
`Cooperative Work Study Experience
`Summer 1979 Ampex Corporation Redwood City, CA
`Spring 1978 Hewlett Packard Co. Rockaway, N.J.
`Fall 1977 Hewlett Packard Co. Rockaway, N.J.
`
`Education
`BSEE Cornell University 1979
`MEEE Cornell University 1980
`
`Patents
`5,412,620, 5,809,060, 6,067,313, 6,075,812, 6,473,449, 7,692,532, 7,667,575, 7,667,572, 7,567,179,
`7,817,014, 8,982,772
`
`Publications and Conferences
`
`Jeffrey Fischer, “NFC in Cell Phones: The New Paradigm for an Interactive World”, IEEE Communications Magazine, pp.
`22-28, June 2009
`
`Jeffrey Fischer, "An In-Depth User's Guide to Selecting and Deploying Gen2 Tags, Readers, and Infrastructure", 2005 white
`paper available from many sources on the Internet
`
`J. H. Fischer, K. R. Bennett, S. A. Reible, J. H. Cafarella, and I. Yao, "A High Data Rate, Underwater Acoustic
`Data-Communications Transceiver," Proc. of Mastering the Oceans Through Technology, (Oceans 92), Newport,
`Rhode Island, pp. 571-576, October 1992.
`
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`J. H. Fischer, J. H. Cafarella, C. A. Bouman, G. T. Flynn, V. Dolat, and R. Boisvert, "Wideband Packet Radio for
`Multipath Environments," IEEE Trans. Commun., vol. COM-36, pp. 564-576, May 1988.
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`J. H. Fischer, J. H. Cafarella, D. R. Arsenault, G. T. Flynn, and C. A. Bouman, "Wideband Packet Radio
`Technology," Proc. IEEE, vol. 75, pp. 100-115, January 1987.
`
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`J. H. Fischer, J. H. Cafarella, and G. T. Flynn, "SAW Convolvers and Signal Processing in a Packet Radio," Conf.
`Record IEEE MTT-S 1986, New York: IEEE, June 1986.
`
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`J. H. Fischer, J. H. Cafarella, G. T. Flynn, C. A. Bouman, D. R. Arsenault, J. D. Kurtz and R. R. Boisvert, "A
`Wideband Packet Radio Based on Hybrid Analog/Digital Signal Processing and Layered Architecture," MILCOM
`'85 Proc., Vol. S, The Electronic Battle: A New Era in Military Communications, New York: IEEE, October 1985.
`
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`J. H. Fischer, “Autocalibrating Circuitry for Processing SAW Convolver Outputs,” in 1985 Ultrasonics Symp. Proc. (New
`York, NY, IEEE), Oct. 1985.
`
`J. H. Fischer, “SAW Devices for Spread Spectrum Communications,” International Union of Radio Scientists, (Vancouver,
`B.C.), 1985.
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`Honors
`1996 Mr. Fischer was elected Senior Member of the IEEE for technical contributions to the field of
`communications
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