SUMMARY

• Electronics and telecommunications engineer with more than 10 years of solid experience in RF, systems, analog, digital and hardware design.
• Expertise in RF systems, analog and digital signal processing, microelectronics and RF design. Good analytical and problem - solving skills.
• Well motivated, versatile, resourceful and adaptable to changing requirements.
• Experience in project management, proactive team player with effective interpersonal skills and relations with customers.
• Responsible for providing RF designs for indoor, outdoor and in tunnels using TETRA technologies.
• Calculated budget planning per project (Gantt Diagrams), including forecasting, tracking and reporting of expenditures
• Performed link budget analysis and generated charts of radio coverage using ICS software;
• Responsible for verification of RF and IF path in compliance with, DO-229, for GPS/Wide Area Augmentation System (WAAS) Airborne Equipment and DO-235, Assessment of Radio Frequency Interference Relevant to the GPS L1 Frequency Band.
• Provided simulation results regarding Cascade gain, Adjacent channel, Cascaded compression, Carrier to noise and distortion ratio, Chanel power, Cascaded noise figure, Minimum Detectable signal, Image rejection ratio, using Genesys System Simulator

TECHNICAL SKILLS

Telecommunication technologies: LTE-A, LTE (Long Term Evolution), GSM/EDGE, UMTS/HSPA (High Speed Packet Access), LMR (Land Mobile Radio), TETRA.

Hardware: RF power amplifiers, LNA (low noise amplifiers), matching networks, Diplexers, RF filters blocks, oscillators, RF switches, frequency synthesizers, receivers, transmitters, mixers, RF power splitter, Op amps, signal conditioning circuits, analogue motion sensors (gyroscopes and accelerometers) and embedded systems.

Software: Genesys, ADS, Visual System Simulator (VSS), OrCAD, P-Spice, H-Spice, Cadence-Virtuoso Layout Editor, iBwave, Planet EV, EMF Visual, Atoll, Mentor Graphics (DX-Designer), Atrium, Eagle-PCB, C language and MS-Project.

Experience with: Power-meter, Vector Network Analyzer, Spectrum Analyzer, Oscilloscopes, Oscillators, Functions Generator and Protocol Analyzer.

PROFESSIONAL EXPERIENCE

Confidential

RF system designer

Responsibilities:

• Responsible for providing RF designs for indoor, outdoor and in tunnels using TETRA technologies.
• Calculated budget planning per project (Gantt Diagrams), including forecasting, tracking and reporting of expenditures;
• Performed link budget analysis and generated charts of radio coverage using ICS software;
• Designed DAS (Distributed Antennas Systems) for buildings, tunnels and dams;
• Select RF equipment in compliance with TETRA standards for implement indoor, outdoor and in tunnels RF systems;
• Provided SC6 (Safety Code 6) analysis and reports in compliance with GL-02 document provided by Industry Canada;
• Write short technical reports;
• Designed System Bridge between TETRA and EDACS technologies.

Confidential

RF system design and test

Responsibilities:

• Responsible for providing system solution and system test procedure for Global Navigation Satellite System (GNSS).
• Selected chipset architecture and components for multiple wireless technologies over frequency bands including but not limited to GSM, LTE, CDMA, GPS, WI-FI, Bluetooth;
• Analyzed RF Link Budget, Blocking & Jamming analyses and performing RF circuit /system simulation;
• Write Highly-efficient and thorough RF/System test plans and procedures;
• Provided test result regarding GPS, GLONASS Galileo and Baudouin characterization, C/N, Sensitivity Test, Time to firs Fix (TTFF) and position accuracy;
• Used intensively Qualcomm QDART, QCAT, QRCT software tools.

Confidential

Digital/Analog Designer

Responsibilities:

• Responsible for providing end-to-end products development including manufacturing implementation.
• Provided detailed digital and analog design including schematic capture, board layout and BOM using Eagle software.
• Prototypes testing and analysis of measurement result;
• Selected and used “on shelf” electronics components for new design and update the old schematics;
• Provides system requirements, test specifications and procedures;
• Implemented optical serial communication for eliminating the electromagnetic noise generated by power circuits;
• Support of manufacturing.

Confidential

RF/Analog Designer

Responsibilities:

• Responsible for verification of RF and IF path in compliance with, DO-229, for GPS/Wide Area Augmentation System (WAAS) Airborne Equipment and DO-235, Assessment of Radio Frequency Interference Relevant to the GPS L1 Frequency Band.
• Provided simulation results regarding Cascade gain, Adjacent channel, Cascaded compression, Carrier to noise and distortion ratio, Chanel power, Cascaded noise figure, Minimum Detectable signal, Image rejection ratio, using Genesys System Simulator;
• Selected electronics parts for IF and synthesizer stage in compliance with System design specifications;
• Designed matching circuits between clock distribution circuit and ADC, using baluns for 100MHz clock;
• Designed filters for 100MHz, 180-190MHz and 75MHz;
• Designed circuits to pass from single ended circuits to differential circuits using baluns;
• Select PCB material for 50 ohms microstrip circuit board.

Confidential

RF/Analog Designer

Responsibilities:

• Responsible for providing system requirements, design and test procedure for an RF Mixer.
• Designed and analyzed the system hardware architecture (Distortion Analysis, Gain Compression; Intercept Point, Noise Figure);
• Designed and simulated impedance matching circuits, filters and microstrip circuit board;
• Verified and implemented on PCB a 9-axis motion sensing system-on-board module;
• Provided schematics, BOM and NetList using OrCad software;
• Project management and price estimation using MS Project.

Confidential

RF/Analog Designer

Responsibilities:

• Responsible for designing the electronics / electrical circuits from concept to release of prototype for new products based upon the overall end product requirements.
• Power Amplifier design for LTE (2.5-2.7GHz) (24dBm, 29dB gain, 38dBc ACPR (Adjacent Channel Power Ratio), 35% PAE (Power Amplifier Efficiency) In GaS HBT. (Lineup, matching networks and bias circuits);
• Power Amplifier design for Wireless LAN (2.4-2.5GHz) in IBM SiGe technology (32dB gain. 19.5dBm. 3.3% EVM) (Lineup, matching networks and bias circuits);
• Designed analog and RF circuits for low signal level, such as Op-Amp, Band-Gap, Low Noise Amplifiers, Power Amplifiers, Power Splitters, Passive Filters;
• Designed products that achieve regulatory compliance certification and product validation including UL, Industry Canada (or other safety agencies), CE and RoHS;
• Use ADS2013, for schematic editor and circuit simulation;
• Excellent documentation discipline including schematics, bill of materials, assembly drawing and test reports;
• Excellent diagnostic and problem-solving skills including the ability to perform root cause analysis and use latest troubleshooting tools;
• Developed validation plans, MS Office, MS Project, and stage gate product development process.

Confidential

DAS Designer

Responsibilities:

• Responsible for liaisons with vendors, contractors on projects related to or impacting on DAS operation.
• Coordinated and worked with staff, contractors, internal customers, and wireless carriers in a professional manner to ensure optimal coverage and access to customer communications systems;
• Updated ‘As-Built’ documentation for further use by the customer or contractors;
• Designed fiber extended DAS systems using Teko technology;
• Planed major and minor DAS-related projects including the preparation of schedules, budget estimates, material lists and reports for customer management review.

Confidential

Radio System Designer

Responsibilities:

• Responsible for providing SC6 (Safety Code 6) reports in compliance with GL-02 document provided by Industry Canada.
• Using extensively Planet EV and EMF Visual for analysing and calculating the maximum permissible exposure (MPE) in compliance with FCC and Industry Canada.
• Responsible for providing designs for “In Building RF System.
• Analyzed RF coverage inside public and private buildings;
• Designed RF coverage enhancement solutions for in-building locations;
• Worked closely with other Construction and Operations team members on in-building projects and provide support where required;
• Interfacing directly with customer and venue owners;
• Issued RF technical specification documents and quotations for projects;
• Participated in the activation, optimization, and adjustment of new in-building systems to meet design criteria;
• Analyzed existing in-building systems performance and initiate improvements where required;
• Acquired and maintained expertise related to available in-building system vendors, products, and techniques.

Confidential

Radio System Designer

Responsibilities:

• Responsible for providing top-level radio repeaters systems designs and RF circuits in compliance with GSM/EDGE, UMTS/HSPA and LTE specifications.
• Designed a mother board which comprises: RF power splitters, Diplexers, RF switching, USB to serial interface and DC to DC converter; for CELL, PCS, 700 MHz, and AWS;
• Development of RF Repeaters, in compliance with GSM and CDMA specifications, for CELL and PCS;
• Development of UL and DL IF module, for 700 MHz, CELL, PCS and AWS Repeaters;
• Performed RF/microwave testing and measurements on radio hardware in order to support specific approvals process for EDGE, HSPA, EVDO, GSM, CDMA and W-CDMA;
• Used Momentum and Empower analyses for electromagnetic simulation and Mentor Graphics (DX-Designer) for schematic capture.

Confidential

Project Engineer

Responsibilities:

• Responsible for providing top-level radio system designs in compliance with APCO-P25 and MOTOTRBO specifications.
• Analysed data and voice traffic on the radio system and generated technical solutions for system implementation;
• Performed link budget analysis and generated charts of radio coverage using Signal-Pro EDX and Planet EV software;
• Used PTP (Motorola) software for designing Micro-Wave infrastructure (backbones) for inter- site communication;
• Generated the project flow chart as well the cost implementation of the radio system;
• Involved in the end to end procurement process in the public sector starting with RPF (Request for Proposal) up to the final contract with distributors;
• Generated plans and schedules for the process that need to be undertake to migrate the old to the new telecommunication platform;
• Made documentation and applications for Industry Canada to obtain new licenses and the frequency allocation.

Confidential

Radio System Designer

Responsibilities:

• Responsible for defining new products trough detailed specification and verification of product design in compliance with the DVB-T, the DVB-S and the DVB-C standards.
• Generated top-level functional requirement specifications including system block diagrams and interconnect documentation for microwave transmitter and receiver architectures;
• Generated design verification and qualification plans; decompose system-level specifications into hardware and software functional requirements to interface with internal and external design resources to define; design and qualify new product components;
• Suggested technical solution for shielding and isolation (EMC) where embedded digital circuitry coexisted with low noise RF circuitry;
• Simulated and analysed RF and digital Systems using Simulink, VSS and Microwave Office.

Confidential

R&D Manager

Responsibilities:

• Responsible for providing leadership and direction to software, electronics and mechanics project teams by understanding design processes, gathering requirements, identifying potential usability issues, managing scope, and ensuring that an appropriate level of application quality is maintained at all times.
• Developed business relation with future client base on respect and mutual respect;
• Provided projects schedule to accelerate the design process;
• Reviewed electrical designs and documents including specifications, drawings and data sheets;
• Designed hardware for low power consumption, unlicensed FSK, ASK, GFSK, duplex radio system;
• Designed hardware for inertial systems as an application for motion sensing, using OP DAC/ADC, gyroscopic circuits and microprocessors.

Confidential

RF Engineer -Training Instructor

Responsibilities:

• Responsible for training twenty specialists, in Capacity Engineering and Radio Systems with applicability for GSM and CDMA Networks for Nigeria Telecom.

Confidential

RF /Digital Engineer

Responsibilities:

• Responsible for design, configure and maintenance different radio equipment and ATM machines.
• Designed high speed electronic circuits; A/D converters, DSP, Microcontrollers analog and digital multiplexers, instrumentations amplifiers and comparators;
• Used DX-Designer software for schematic capture and PCB board design.

Confidential

RF Engineer

Responsibilities:

• Responsible for design, simulation and testing of RF telecommunication equipments.
• Designed and tested 1.9 GHz Digital Radio 4 Watt, GMSK, TDMA, ITU Standards, thus reducing the global price of the wireless loop system by 10%;
• Improved the radio performance (bit error rate, output power, RSSI linearity, spurious and harmonic level radio threshold) for different types of radios and repeaters;
• Designed, simulated and tested various types of passive and active filters, which made the final product cheaper and more effective;
• Designed the JIG Test, calibrated the measure equipment for radio test validation, which decreased the test duration for radio and radio base station;
• Started to design the vectorial modulator and demodulator with DSP technology to increase the versatility and adaptability of the radio and radio base station;
• Schematic capture and PCB board design using Mentor Graphics (DX-Designer) software.