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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.    

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