People

Current Teaching Module

• Advanced Digital Communications (MSc)
• Wireless and Mobile Communications (MSc)
• Microwave Systems
• Electromagnetic Fields and Waves
• Digital Electronics

Specialized Area

Research Interest

• Radio Frequency/Microwave Engineering (Novel Circuit Design)
  • Microwave Filter
  • Diplexer for Wireless Communications
  • Low Noise Amplifier
  • Substrate Integrated Waveguide (SIW)
  • Tower Mount Amplifier for Mobile Communications
• Renewable Energy
  • RF Energy Harvesting
  • Improving the efficiency of Solar Energy (PV cells)

Qualification

• PhD in Electronic and Electrical Engineering, The University of Birmingham, UK
• PGCert in Learning and Teaching in HE, University of East London, UK
• BEng (Hons) in Electronic and Communication Engineering, The University of Birmingham, UK

Professional Bodies an Honorary Positions

• Chartered Engineer (CEng), Engineering Council, UK
• Fellow of Higher Education Academy (FHEA), UK
• Member of Institution of Engineering and Technology (MIET), UK
• Assessor for Professional Engineer (Electrical), Brunei Darussalam Board of Architects, Professional Engineers and Quantity Surveyors (BAPEQS), Brunei (10/2019-12/2022)
• External Academic Link Tutor, Canterbury Christ Church University, UK (09/2013 – 07/2017)
• Consultant, Oxford Instruments Nanotechnology Tools Ltd. UK (11/2013 – 11/2015)
• Radio Frequency (RF) Consultant, CryoSystems Ltd., UK (01/2001 – 12/2001)

Career

• Senior Lecturer in Electronic and Telecommunications Eng, University of East London, UK (12/2008 – 07/2018)
• Associate Academic Staff, Canterbury Christ Church University, UK (09/2013 – 07/2017)
• Visiting Professor, Hangzhou Dianzi University, China (03/2016)
• Research Fellow, The University of Birmingham, UK (01/2007 – 11/2008)
• Principal Radio (RF) Frequency Engineering, CryoSystems Ltd., UK (08/2004 – 12/2006)
• Research Fellow, The University of Birmingham, UK (05/2000 – 07/2004)
• Visiting Fellow, University of Limoges (IRCOM), Limoges, France & Universitat Politecnica de Catalunya, Barcelona, Spain (04/2000)

Publication

Book

1. Nwajana A. O., Yeo K. S. K., Practical Approach to Substrate Integrated Waveguide (SIW) Diplexer: Emerging Research and Opportunities: Emerging Research and Opportunities. IGI Global; 2020 Feb 7.

Selected Journal and Conference Publications

1.  A. O. Nwajana, G. K. Ijemaru, K. L-M. Ang, J. K. P. Seng, K. S. K. Yeo, “Unbalanced Two-Way Filtering Power Splitter for Wireless Communication Systems”, Electronics, 10(5):617, pp. 1-9, 2021.
2. K. S. K. Yeo, “Wideband Grounded Coplanar Waveguide Bandpass Filter with Novel Coupling Structures”, IEEE Proc. of Asia Pacific Microwave Conference, Singapore, 10th-13th Dec 2019.
3. E. Ogbodo, Y. Wang and K.S.K. Yeo, “Microstrip dual-band bandpass filter using U-shaped resonators”, Progress In Electromagnetics Research Letters, 59, pp.1-6, 2016
4. K. S. K. Yeo and A. O. Nwajana, “A Novel Microstrip Dual-Band Bandpass Filter Using Dual-Mode Square Patch Resonators”, Progress In Electromagnetics Research C, 36, pp. 233-247, 2013
5. K.S.K. Yeo and M.J. Lancaster, “8 Pole High Temperature Superconductor Microstrip Dual Band Bandpass Filter Design”, at IEEE-MTT-S IMS Digest, Baltimore, USA, 5th -10th June 2011.
6. K. S. K. Yeo and M. J. Lancaster, “A Novel Tap Input Coupling Structure for a Narrow Bandpass Filter using TM010 Mode of a Microstrip Circular Disk Resonator”, IEEE Trans. Microwave Theory and Technique, pp. 1230-1232, April 2002
7. K. S. K. Yeo and M. J. Lancaster, “High Temperature Superconducting Ferrite Phase Shifter with New Latching Structure”, IEEE Trans. Applied Superconductivity, pp. 430-433, March 2001.
8. K. S. K. Yeo, M. J. Lancaster and J. S. Hong, “Design of Microstrip Six Pole Quasi-Elliptic Filter with Linear Phase Response using Extracted Pole Technique”, IEEE Trans. Microwave Theory and Technique, pp. 321-327, Feb 2001.

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