To utilize my expertise in RF, antennas and systems engineering to architect, design and realize next generation wireless communication devices. Over 25 years of design and development experience spanning a range of wireless products including, but not limited to; cellular phones, short-range radios, wireless gateways, GPS/PND, Wi-Fi, Bluetooth, medical devices and mm-wave radar sensors. Expertise in certification, testing, issue analysis and resolution while covering all facets of product development cycle from concept to manufacture. Capable to lead and collaborate in both large and small company environments. Core Competencies Wireless System and Architecture: Familiar with various proprietary or standard protocol wireless systems, requirements, specifications and applications from block diagram down to circuit level design. Chipset selection, evaluation and qualification to meet or exceed product/customer requirements while meeting cost and budgetary goals. Design and Development: RF, analog and digital circuit design, including but not limited to; receivers, transmitters, synthesizers, baseband, audio and power management with discrete or highly integrated modular solutions. RF frontend filtering and multiband switching. RF Power amplifier matching and integration for gain, stability and efficiency. RF sub circuits and block specification, test and evaluation. Experienced in schematic, layout, component selection and mechanical packaging. Antenna Design: Expertise in internal/embedded antenna design. Experienced in simulation (CST), design and most importantly, integration of multiband antennas in portable, fixed or mobile devices including NFC. Antenna testing for gain, efficiency, TRP/TIS and use case performance metrics. Mechanical design and integration. Design of patch arrays for mm-wave radar application. Antenna chamber design, calibration and test setup for antenna structures. Technical Staff Resource: Provide guidance, team building and mentorship to junior engineers within both small and large teams at local or remote sites. Evaluate and help business team with customer requirements and RFQs. Contribute to business decisions based on sound technical knowledge, industry trends and capabilities. Technical liaison for demos and proof of concept discussions with customers. Regulatory Compliance: Familiarity with FCC, Industry Canada, EU/CE and ROW requirements. Emissions, immunity, safety, ESD, and all aspects of RF and radio tests including safety and SAR compliance. Product Support and Manufacture: Experienced in small and large scale product volumes. Engineering support during all phases of product life cycle from factory introduction, support, manufacturing, sourcing, test, fixturing, yield, repair, quality and shipping.
System-level electrical design and integration
Knowledgeable in PCBA
Senior Member of Technical Staff01/2007 to Current Delta Mobile Systems Inc – Elgin,
responsible for wireless systems, architecture, RF hardware and antenna design.
Provide design services and integration support to a wide range of customers and products.
Self motivator, support all facets of product development and services from concept to manufacture.
Key areas of accomplishments: Currently developing a M2M 4G/LTE module for automotive and industrial use.
System architect and RF designer for 24GHz radar for sensor and collision warning applications.
Development of patch antenna array, RF transceiver, baseband and signal processing of CW, FSK and FMCW type of radar systems.
Developed new and unique application of FMCW radar for very near field, within the ambiguous range, distance measurements.
Capable of detecting and measuring presence, motion, distance, velocity and position of targets.
Antenna design for wireless products covering multiband cellular, Wi-Fi, Bluetooth, GPS, FM, NFC and Medical (MICS) bands.
Printed or stamped antenna structures integrated within housing for portable wireless products.
Custom designed and installed an in-house 5m antenna chamber to measure and characterize antenna performance to measure over the air (OTA) radiated performance of wireless devices.
Closely involved in software and algorithm development for Total Radiated Power (TRP) and Total Isotropic Sensitivity (TIS) of cellular based products.
Chamber designed to support various types of radiated and antenna measurements for engineering and development use.
Currently working on upgrading test capabilities for diversity and MIMO antenna setups.
Technical lead involved in the licensing, transfer, support, test and manufacture of a 3G M2M module from Motorola Mobility in a partner Asia manufacturing facility.
Designed a multimode antenna at 400MHz MICS band for a major medical device maker.
Antenna integrated within a new generation prototype handheld tablet for programming and monitoring heart pacer implants in patients.
Supported numerous design service projects for antenna and system integration, certification, EMI, radiated performance and layout.
Proven expertise in desense, self quieter and shielding issues.
Versatile in supporting other areas of product development such as RF PCB layout, component sourcing, production test, manufacturing in Asia and customer liaison activities.
Owner/Operator01/2005 to 01/2009 CARX Auto Service – Waukegan,
Business owner and operator of a full service auto repair franchise facility.
Maintained a steady cash flow and customer base.
Business sold off due to full time engagement in Delta Mobile Systems Inc.
Gained invaluable experience in owning and running a small business in all areas of operations, finance, P&L, inventory control, customer satisfaction and resolution, taxes and employee management.
Maintained a full service auto repair facility, while specialized and focused in the training, diagnosis and repair of electrical and electronic automotive systems covering engine control module (ECM) and sensor related 'check engine' light trouble codes and diagnostics.
Distinguished Member of Technical Staff01/1989 to 01/2005 Motorola Mobile Devices – Libertyville,
Key member of product development teams at Motorola's cellular handset business unit.
Starting from first generation European (ETACS, NMT) and North American (NAMPS) analog cellular handsets and car mobiles to development teams on a number of GSM (2, 2.5 and 2.75G) handheld products.
Involved in all areas of product development from concept, design and development to production.
Early development of GSM 3G/EDGE platform.
Develop ultra low cost phone architecture and eco system for emerging markets and to 'disrupt' the status quo in mature mass markets.
Chipset selection and system architecture focused on lowest system cost.
Personal focus on transceiver and antenna design.
Core team member from start to ship the lowest cost chipset architecture for a mass market high volume GSM platform.
Responsible for low/zero IF receiver architecture in collaboration with Motorola SPS, later scaled into an EDGE platform.
Improve RF call performance of Motorola products with enhancements in DSP and call processing algorithms.
Designed and patented a multiband internal antenna based on a PIFA structure.
Improved spherical measurement techniques and antenna chamber measurements for TRP.
Developed techniques for (GSM) TIS measurements to significantly reduce test times.
Deployed techniques for reducing SAR in small handsets and safety compliance.
Antenna simulation models using XFDTD and GEMFEM to predict antenna performance and more importantly, SAR.
Developed a fully integrated receiver frontend in close collaboration with Motorola Semiconductor.
Co-designed and developed discrete dual band PA for lowest cost PA lineups and power control loops for GSM application.
Worked on synthesizers and VCOs especially, translational loops and direct launch modulation schemes.
Familiarity to support product certifications and other type approval requirements.
Developed dual/triple conversion receiver lineups, including LNA, Mixer, VCO, IF strip and FM detector.
Part of a core team to develop and productize the first ever low-IF/zero IF receiver architecture.
Focus on LNA, single and double balanced mixer with techniques for good spur rejection and high intercepts.
VCOs with printed resonators and 'no-tune' VCOs.
Front end ceramic duplex filters.
Type approval testing and introduction to volume production and support.
RF Engineer01/1985 to 01/1989 ShowAmerica Inc – Elmhurst,
Designed and maintained 'promotional robots' using radio controlled full duplex VHF/UHF radio transceivers.
Designed and maintained full duplex VHF/UHF radios with voice and 19kHz sub-carrier encoded FSK data to control drive motors and servos in all three axes.
Developed a first generation animation puppet 'Puppetronics' for animation and entertainment using a Z8XXX microcontroller with three axis motor control and various animated effects.
BSEE: Communication EngineeringUniversity of Illinois
Illinois Communication Engineering
B.Sc: Applied Physics and MathematicsUniversity of Punjab
- Lahore Applied Physics and Mathematics
Patent Awards 7,242,917 Apparatus and method for antenna attachment 7,117,019 Display and keypad backlight management for portable electronic devices 6,922,574 Mobile wireless communication devices with internal antennas and replaceable housings 6,819,290 Variable multi-band planar antenna assembly 6,650,298 Dual-band internal antenna for dual-band communication device 6,043,721 Dual band power amplifier 2 Filings on FMCW radar calibration methods for near field distance measurements
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Companies Worked For:
Delta Mobile Systems Inc
CARX Auto Service
Motorola Mobile Devices
University of Illinois
University of Punjab
Job Titles Held:
Senior Member of Technical Staff
Distinguished Member of Technical Staff
BSEE : Communication Engineering B.Sc : Applied Physics and Mathematics
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