Journal & Conference Papers

This is a selection of papers, written by Plextek staff, that have been peer-reviewed and accepted for publication in journals and at international conferences.   They are available for download in Adobe's Portable Document Format (PDF).

 

Securing V2X - CTO, Paul Martin, presents what needs to be protected and suggests key approaches to increase the overall security of V2X at Cambridge Wireless SIG event, 2 December 2014.

A Ku-Band, Low-Sidelobe Waveguide Array Employing Radiating T-Junctions - Paper presented at the 2013 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Orlando, FL, 7-13 July 2013.

A Wideband, 5-50+ GHz Tapered-Slot Antenna For Use in Handheld Test Equipment - Paper presented at the 2013 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Orlando, FL, 7-13 July 2013.

A Sub-harmonic E-band IRM/ SSB Realized on a Low Cost PHEM T Process - Paper presented at the 2012 European Microwave IC Conference (EuMIC), October 2012.

A Low-Cost, 60GHz Driver Amplifier Operating from a Single +3V Supply - Paper presented at the IET seminar on Millimetre wave technologies for gigabit per second wireless communications, September 11 2012.

An E-band Voltage Variable Attenuator Realised on a Low Cost 0.13µm PHEMT Process - Paper presented at the IET seminar on Millimetre wave technologies for gigabit per second wireless communications, September 11 2012.

Analysis of Chilton ionosonde critical frequency measurements during solar cycle 23 in the context of midlatitude HF NVIS frequency predictions - Paper presented at the IET International Ionospheric Radio Systems and Techniques Conference (IRST 2012), May 2012.

Comparison of propagation predictions and measurements for midlatitude HF near-vertical incidence sky wave links at 5 MHz - An edited version of this paper was published by AGU. Copyright (2012) American Geophysical Union.
Citation: Walden, M. C. (2012), Comparison of propagation predictions and measurements for midlatitude HF near-vertical incidence sky wave links at 5 MHz, Radio Sci., 47, RS0L09, doi:10.1029/2011RS004914. To view the published open abstract, go to http://dx.doi.org and enter the DOI.

A Low Cost, Plastic Packaged, 0.5W, 6-18GHz Amplifier MMIC - Paper presented at the RF and Microwave Society (ARMMS) Conference, November 2011

Development of an Empirical Path-Loss Model for Street-Light Telemetry at 868 and 915 MHz – Paper presented at the 2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 2011

Comparison of Propagation Predictions and Measurements for Mid-Latitude HF NVIS Links at 5 MHz - Paper presented at the 13th International Ionospheric Effects Symposium (IES2011), May 2011

Future Opportunities and Challenges for mm-Wave Amplifier MMICs - Cover Article from Microwave Journal, April 2011

A comparison of measurements and propagation simulations for mid-latitude HF NVIS links at 5 MHz during sunspot minima - Paper presented at the Nordic HF Conference, HF10, August 2010

The Design of E-band MMIC Amplifiers - Paper presented at the RF and Microwave Society (ARMMS) Conference, April 2010

The Extraordinary Wave Mode: Neglected in Current Practical Literature for HF NVIS Communications - Paper presented at the 11th International Conference on Ionospheric Radio Systems and Techniques (IRST 2009), April 2009

An 18 to 40GHz Double Balanced Mixer MMIC - Paper presented at the IET Seminar on RF and Microwave IC Design, 28th February 2008

MMICs for Broadband Receiver Applications - Paper presented at the RF and Microwave Society (ARMMS) Conference, November 2007

MM-Wave Super Harmonic Injection Locked Frequency Dividers - Paper presented at the IET Seminar on MM-Wave Products and Technologies, 16th November 2006

The Design Of Single-Ended & Differential MMIC VCOs - Paper presented at the RF and Microwave Society (ARMMS) Conference, November 2006

Efficient Mobile Mesh Networking: Testing Scalability Hypotheses - 6th IET International Conference on 3G and Beyond, London, November 2005

Efficient Mobile Mesh Networking: Attractions, Myths and Techno-Economic Roadmap to Successful Commercial Innovation - Proceedings of the first IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), Baltimore, November 2005

Low Loss, Low Cost, Discrete PIN diode based, Microwave SPDT and SP4T Switches - Paper presented at the RF and Microwave Society (ARMMS) Conference, November 2005

Urban Propagation Measurements and Statistical Path Loss Model at 3.5 GHz - Paper Presented at the 2005 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, Omni Shoreham Hotel, Washington, DC, 3rd - 8th July 2005

The Development of a Remote Wireless Meter Reading System - Paper Presented at the IET Seminar on Telemetry and Telematics, Savoy Place, London, April 11th 2005

MMIC Design for Wireless Broadband Access - Paper Presented at the 2004 Wireless Broadband Forum, November, 2004

Design Trade-offs for High Linearity PHEMT Switches - Paper presented at the RF and Microwave Society (ARMMS) Conference, November 2004

Development of Blighter, a cost sensitive, high performance FMCW Radar - Paper Presented at the 2004 European Microwave Conference, October, 2004

A universal GaAs HBT PA with active bias circuitry, covering 4.9-6 GHz - Paper Presented at the 2004 European GaAs IC Conference, October, 2004

RF Filter Design Using Coupled Co-axial Resonators - Paper Presented at the RF and Microwave Society (ARMMS) Conference, April 19th and 20th, 2004

Optical Ethernet Dash Shapes the Future for Optoelectronics Integration - Paper presented at “MicroTech 2004” March 3rd - 4th 2004 at the Moller Centre in Cambridge, UK

The RF Development of a Multi-Band GSM Test Set - Published in "Microwave Engineering Europe" March 2004, pp 21-25

How to Design Low-Cost MM-Wave Equipment - Paper Presented at the "Second Broadband Wireless Forum" November 25th to 26th 2003 in Cambridge, UK

InGap HBT MMIC Development - Paper Presented at the RF and Microwave Society ARMMS Conference 2003, November 3rd to 4th in Corby, Northamptonshire, UK

On Using the Classical Monopole for Comparison with Other Electrically Small Self-Resonant Monopole Antennas of Equal Height - Paper Presented at the 2003 IEEE "International Antennas and Propagation Symposium" June 22nd to 27th in Columbus, Ohio, USA

High Performance Digital Radio Channel Sounder for use at 2 and 5 GHz - Paper Presented at the Twelfth "International Conference on Antennas and Propagation" (ICAP) 2003, held at the University of Exeter, 31st March to 3rd April 2003

An LTCC Based Differential Microwave DRO Module - Paper Presented at the IET seminar on "Microwave Thick Film Materials and Circuits" held on 9th October 2002

A 2-18GHz Receiver Front-End - Paper presented at "The 2002 European Microwave Conference", September 2002

A Monolithic, 2-18GHz Upconverter - Paper presented at MTT-S, June 2002

Implementing 3G Layer 1 Signal Processing (Tx) - Paper presented at the Wireless Design Conference 2002, London, May 2002

A Monolithic, Dual Channel, DC to 20 GHz SPDT - Paper presented at the Wireless Design Conference 2002, London, May 2002

RF and Microwave Component in LTCC - Published at the 38th Annual IMAPS Nordic Conference held in September 2001

Low Loss Monolithic MM-Wave SP4Ts - Paper presented at the "Workshop on Design for Broadband Wireless Access" held in Cambridge on May 3rd 2001

A Monolithic, Dual Channel, 0.5 to 20GHz Limiter - Paper Presented at The European Microwave Conference, October 2000.

Impact of UMTS on Mobile Networks and the Environment - Paper presented at the IBC Conference on Mobile Networks and the Environment, 5-6 June 2000.

Synthesiser Design - Paper presented at the The IET Training Event - "How to Design RF Circuits", 5th April2000.

The Basics of RF System Design - Paper presented at the The IET Training Event - "How to Design RF Circuits", 5th April2000.

Oscillator Design - Paper presented at the The IET Training Event - "How to Design RF Circuits", 5th April2000.

Practical RF PCB Design - Paper presented at the The IET Training Event - "How to Design RF Circuits", 5th April2000.

RF Mixer Design - Paper presented at the The IET Training Event - "How to Design RF Circuits", 5th April2000.

Manufacturing Practical 28GHz Multichip Modules - Published in “Microwaves & RF”, December 1999, pp78-86.

Oscillator Design - Paper presented at the The IET Colloquium on “The Design of RFICs and MMICs” held at Savoy Place, London on Wednesday 24th November 1999.

Low Power Techniques for Silicon RFICs - Paper presented at the “The IET Colloquium on The Design of RFICs and MMICs” held at Savoy Place, London on Wednesday 24th November 1999.

The Design of Integrated Switches and Phase Shifters - Paper presented at the “The IET Colloquium on The Design of RFICs and MMICs” held at Savoy Place, London on Wednesday 24th November 1999.

Low Cost Microstrip Filters and Mixers at 43GHz - Paper presented at the IEE Colloquium on “MM-Wave Circuits and Technology for Commercial Applications”, held at Savoy Place, London on 24th March 1999.

A 40 - 45GHz Monolithic Gilbert Cell Mixer - Paper presented at the IET Colloquium on “MM-Wave Circuits and Technology for Commercial Applications”, held at Savoy Place, London on 24th March 1999.

Multipath Measurements for High Data-Rate Wireless Communications - Paper presented at the 1999 Wireless Symposium

Improving BER - Paper presented as part of the Workshop on “DSP for RF Engineers” at the 1998 Microwaves and RF Conference in September 1998.

Clock Extraction - Paper presented as part of the Workshop on "DSP for RF Engineers" at the 1998 Microwaves and RF Conference in September 1998.

Introduction to Digital Modulation Schemes - Paper presented at The IET Colloquium on “The Design of Digital Cellular Handsets”, held on 4th of March 1998 at the IEE, Savoy Place, London

An RF to Baseband Design for a PCS1900 Handset - Paper presented at The Wireless Symposium Portable by Design Conference Fall, Boston, 1998

RF ICs for Commercial Wireless Applications - Paper presented at The IET Colloquium on Design of RFIC's and MMIC's, held on 6th of November 1997 at the IEE, Savoy Place, London

Digital Signal Processing Enhances a Tracking System - Paper presented at the 1997 ERA conference on Vehicular Security in April 1997

Enhancement to the TRACKER System - the provision of an uplink path - Paper presented at the Security Automotive '97 Conference at the NEC in April 1997

Synthesised Frequency Sources in Digital Cellular Handsets - Paper presented at the 1997 Microwaves and RF Conference