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OBJECTIVES:
STATUS: NATIONALITY: |
Field of Radio Frequency Design and Development, or Research.
Single British |
KEY WORDS: Radio Frequency (RF)/(R.F.), Microwave, Electromagnetics, Antennas, EMC/EMI, WiMAX, 3G, WCDMA, UMTS, GSM, GPRS, EDGE, Bluetooth, Mobile Phone, Base Station, ADS, Tx, Rx, Matlab, C, Labview, Labwindows CVI., Visual Basic for Applications (VBA), R&S TS8950, TS8955, TS8952, 3GPP TS 34.121, 3GPP TS 51.010, 3GPP TS 25.141, 3GPP TS 51.021, Surveillance, Counter Surveilance, Security Clearance,
KEY SKILLS & EXPERIENCE
MOBILE PHONE CONFORMANCE TEST SYSTEMS FOR AIR INTERFACE
Note : Test System is a Base Station Simulator conforming to 3GPP TS 25.141 and 3GPP TS 51.021.
- RF Systems Engineer
- WCDMA/WiMAX/GSM
- Design of RF calibration concepts (DC-13GHz).
- Design & development of innovative system simulation software using MATLAB.
- Design proving using simulation tools.
- Analysis of Test Case Measurement Uncertainty (RF)
- Verification of WCDMA / GSM Air Interface Test Cases (3GPP TS 34.121 and 3GPP TS 51.010),
including HSDPA Test Cases and RF measurement instruments.
- Problem solving Test Cases during Integration and System Test.
MOBILE PHONE TEST DEVICE
- Design & Development of Wavetek 4400 RF Front-End (Tx/Rx).
- 430MHz - 2.3GHz (GSM to UMTS).
- RF Discrete Broadband Feedback Amplifiers.
- RF Stripline Filters.
- RF Switches.
- RF Variable Attenuators.
- Integration & testing of Sub-Systems on RF Front-End.
- Integration & testing of RF Front-End into 4400 Unit.
Technologies used:
- Advanced Design System (ADS) - Momentum 2D EM Simulation
- Microstrip, Co-planar & Stripline - Lumped Element
BLUETOOTH
- RF Applications Engineer
- Supporting customers integrate NSC Bluetooth devices into their products.
- Writing application notes explaining R.F. and integration techniques.
MOBILE PHONE
Power Amplifier & Automatic Power Control (APC)
- Technology Evaluation / Manufacturer Selection / Integration into phone.
- Dual Band (GSM 900MHz & DCS 1800MHz.).
- Current Feedback & Power Sensing Methods.
Receiver front-end management/evaluation(GSM).
- Evaluation / Optimisation of receiver performance.
- Matching circuit from antenna to power amplifier and receiver circuitry.
- Layout changes & decoupling strategies to reduce interference from
VCXO harmonics coupling on to the front-end circuitry and antenna.
Internal patch antenna for mobile phone.
- Development of patch antenna.
- Performance measurements within a screened room.
- Labview programming to automate measurements.
- Liasing with mechanical department.
- Optimising designs for manufacturability and cost reduction.
RECEIVER FRONT-ENDS
- Design & Development from concept through to manufacture.
- Low noise amplifiers (discrete design).
- Bandpass filter design.
- Tracking filter design.
- Microstrip & lumped element techniques.
- Agilent's Advanced Design System (ADS).
- Integration & testing of Sub-Systems on RF Front-End.
- Integration & testing of RF Front-End into receiver unit.
AUDIO MODULATOR
- Design & Development from concept through to manufacture.
- Delta-modulator.
- Digital ASIC design.
- Low Power
AUDIO DEMODULATOR
- Design & Development from concept through to manufacture.
- Pulse Code Modulation
- Xilinx logic programming.
LOCAL OSCILLATOR
- Prototyping synthesiser circuit.
SPREAD SPECTRUM
- Investigation into spread spectrum techniques for telemetry applications.
PROFESSIONAL TRAINING
- Two year I.E.T. accredited training programme:-
- Training in all departments of H.M. Government Communications Centre.
- Courses included - Project Management, Technical Writing, Finance,
Public Speaking, Quality Assurance and Marketing.
- R.F./Microwave Circuit Design.
- Agilent’s RF & Microwave Test and Measurement Course.
- Agilent’s Advanced Design System (ADS) – including Momentum.
- Introduction to GSM – course given by Matthias Weber.
- Labview Test & Measurement Software.
- Electromagnetic Compatibility.
- Modern Digital Modulation.
- Hewlett Packard’s R.F. Design Seminar.
- Rohde & Schwarz internal courses (Antennas, Receiver Technology)
- Introduction to C Programming.
- Advanced C Workshop.
- Introduction to Management.
POSITIONS OF RESPONSIBILITY:-
- Chartered Engineer (C.Eng).
- Member of I.E.T (Institute of Engineers & Technicians).
- Security Clearance.
- System Administrator for Agilent's Advanced Design System (ADS).
- Health and Safety Officer for laboratory.
- Final Year Degree Representative.
- Represented University in 3rd year exchange programme to University of Waterloo, Canada.
- Judicial Chairman of St. Paul's College.
- Driving Licence (UK/European).
- Yachtmaster (UK Royal Yachting Assoctiation)
- Private Pilot (UK Civil Aviation Authority)
DEGREE:-
Electronic Engineering :
- Special Degree of Bachelor Engineering with Honours.
- Final year specialisation in Communication Engineering.
- Four years full time.
- Third year exchange to University of Waterloo, Canada.
Final Year Courses :- Advanced communication systems, Microwave techniques & Components, Electromagnetic compatibility, Radar & navigation, Digital Signal Processing, Discrete time signal processing, Fibre optic communications, Knowledge based engineering.
EDUCATION:-
University of Hull, U.K. - Electronics Degree.
University of Waterloo, Canada - Exchange Programme, Electronics.
Norwich City College, Norfolk, U.K. - A-levels - i)Maths, ii)Physics & iii)Chemistry.
City & Guilds - i)Radio Amateur.
