Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8695 Filed 12/16/22 Page 1 of 7
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`EXHIBIT 2
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`EXHIBIT 2
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`Ruifeng Wang - Wireless Systems Engineer - Google | LinkedIn
`12/16/22, 5:42 PM
`Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8696 Filed 12/16/22 Page 2 of 7
`
`Ruifeng Wang
`Wireless Systems Engineer
`Bellevue, Washington, United States
`228 followers · 229 connections
`
`Join to connect
`
`
`Queen's University
`
`About
`Specialties:
`
`Wireless Technologies: OFDM/OFDMA, CDMA, MIMO, Beamforming and massive MIMO, Digital
`communication theory, Signal detection and estimation, Dynamic spectrum sharing, URLLC, LEO satellite
`communication systems;
`
`System Design Expertise: Physical layer design, Signal processing algorithm development, Fixed point
`modelling, Link level and system level performance analysis, Physical layer procedures, MAC and RRC
`protocols;
`
`Wireless Standards: 5G NR, 4G LTE, 3G UMTS, WiMax;
`
`Software Development and Simulation Tools: Assemblies, C/C++, Matlab, Simulink, R;
`
`Hardware Implementation and platforms: DSPs, modem chipsets
`
`Activity
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`https://www.linkedin.com/in/ruifeng-wang-9013b25
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`1/6
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`Ruifeng Wang - Wireless Systems Engineer - Google | LinkedIn
`12/16/22, 5:42 PM
`Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8697 Filed 12/16/22 Page 3 of 7
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`It’s time to introduce you to another talented #TeamQualcomm inventor: Tao Luo.
`joining Qualcomm in 2004, Tao has invented thousands of…
`Liked by Ruifeng Wang
`
` Since
`
`Working on 2 more patents right now! It's great working for engineering and invention
`teams that actively seek people who don't fit the stereotypical…
`Liked by Ruifeng Wang
`
`Experience
`Wireless Systems Engineer
`May 2022 - Present · 8 months
`Kirkland, Washington, United States
`Wireless communication systems design for mobile devices.
`
`Principal Member Of Technical Staff
`AT&T
`Nov 2010 - Apr 2022 · 11 years 6 months
`Redmond, Washington, United States
`Exploration and realization of advanced radio technologies for mobile networks and devices
`(3GPP LTE, 5G NR).
`
`https://www.linkedin.com/in/ruifeng-wang-9013b25
`
`2/6
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`💡
`
`
`Ruifeng Wang - Wireless Systems Engineer - Google | LinkedIn
`12/16/22, 5:42 PM
`Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8698 Filed 12/16/22 Page 4 of 7
`DSP Algorithm Design
`Meteorcomm
`Aug 2010 - Nov 2010 · 4 months
`Designed baseband receiver algorithms, simulated in Matlab, analyzed end-to-end
`performance, and implemented in C for the proprietary wireless communication systems.
`
`Chief Architect
`Codiolink
`May 2009 - Nov 2010 · 1 year 7 months
`Wireless communication systems design for white space spectrum.
`
`Senior Systems Engineer
`RadioFrame Networks
`Aug 2008 - May 2009 · 10 months
`Baseband system architecture design and task partition for 3GPP UMTS femto access point
`and next generation ASIC
`
`Architect, Systems and DSP
`Neocific (Walbell)
`Jun 2004 - Aug 2008 · 4 years 3 months
`Modem algorithm design, link-level simultion, fixed-point modeling, system architecture
`design, product design and DSP implementation for WiMAX BS and MS
`
`Wireless Consultant
`NIIT and RadioFrame Networks
`Feb 2003 - May 2004 · 1 year 4 months
`System design, algorithm design and simulation, DSP implementation for 3GPP UMTS
`WCDMA node B.
`
`Senior Systems Engineer
`AT&T Wireless
`Jul 2000 - Jan 2003 · 2 years 7 months
`System design and technology innovation for broadband wireless systems (AT&T Angel
`Project)
`
`Sr. Member of Technical Staff
`COM DEV
`Mar 1999 - Jul 2000 · 1 year 5 months
`System design and product development for broadband mobile Internet access systems
`
`Education
`Queen's University
`Ph.D. EE · Space-time signal processing for wireless communications
`1995 - 1999
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`https://www.linkedin.com/in/ruifeng-wang-9013b25
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`3/6
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`Ruifeng Wang - Wireless Systems Engineer - Google | LinkedIn
`12/16/22, 5:42 PM
`Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8699 Filed 12/16/22 Page 5 of 7
`Beijing Jiaotong University
`BS and MS · Electrical and Electronics Engineering
`
`Recommendations received
`Michael Hirano
`“Ruifeng is a dedicated engineer with an extensive background in signal processing and software
`development. He brings a broad knowledge in the various wireless protocols, such as WiMAX
`and UMTS, and is extremely capable in analysis and problem solving. Ruifeng is easy to work
`with, and would bring real value to any organization that he chooses to join.”
`
`1 person has recommended Ruifeng
`
`Join now to view
`
`View Ruifeng’s full profile
`See who you know in common
`Get introduced
`Contact Ruifeng directly
`
`Join to view full profile
`
`d
`
`ineer with strong expertise of 5GNR and LTE Protocol and Compliance on Device SW
` Planning and Technical Leadership.
`
`a
`nager | Carrier Certification | 5G NR | LTE | Ex- Qualcomm | Ex - Samsung|
`
`Thanuku
`opment Engineer
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`https://www.linkedin.com/in/ruifeng-wang-9013b25
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`4/6
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`Ruifeng Wang - Wireless Systems Engineer - Google | LinkedIn
`12/16/22, 5:42 PM
`Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8700 Filed 12/16/22 Page 6 of 7
`pay LLC
`
`AT&T
`
`er at AT&T
`
`Technical Staff at AT&T Mobility
`
`eer advice?
`ce Hub to see tips on accelerating your career.
`ce Hub
`
`feng Wang
`
`Daheng Energy Technology Co.,Ltd
`
`Engineer at Amazon
`
`e George Washington University
`
`Wang are on LinkedIn
`
`eng Wang
`
`rofile badge
`on other websites
`
`gineer
`
`https://www.linkedin.com/in/ruifeng-wang-9013b25
`
`5/6
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`
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`Ruifeng Wang - Wireless Systems Engineer - Google | LinkedIn
`12/16/22, 5:42 PM
`Case 2:22-md-03034-TGB ECF No. 109-3, PageID.8701 Filed 12/16/22 Page 7 of 7
`neer at Google
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`6/6
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