3-way, bandpass filter, FPD, microstrip, power combiner, power divide

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 and Paul, Rose (2024) Three-way equal filtering power divider for modern communication systems. Engineering Reports:e13036. ISSN 2577-8196 (Online) (doi:10.1002/eng2.13036)

3dB, bandpass filter, equal power divider, microstrip, resonator, two-way

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Otuka, Richard I., Ebenuwa, Solomon H., Ihianle, Isibor K., Aneke, Sampson O. and Edoh, Aloysius A. (2020) Symmetric 3dB filtering power divider with equal output power ratio for communication systems. In: 2020 International Conference on Electrical, Communication, and Computer Engineering (ICECCE). IEEE. ISBN 978-1728171166 (doi:10.1109/ICECCE49384.2020.9179400)

5/6G;' millimeter; CST; RO3003; beamforming; substrate; EM waves; Ka band

Saeed, Muhammad Asfar, Obi, Emenike R. and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2024) A compact linear microstrip patch beamformer antenna array for millimeter-wave future communication. Sensors, 24 (13):4068. pp. 1-13. ISSN 1424-8220 (Online) (doi:10.3390/s24134068)

5G Networks, Antennas, Artificial Intelligence, Computing, Electrical Engineering, Energy Engineering, Microwave Engineering, Mobile Communications, Nanoelectronics, Network and Cyber Security, Smart Societies, Unmanned Aerial Vehicles (UAVs)

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 and Ihianle, Isibor (eds.) (2021) Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering. IGI Global, USA. ISBN 9781799869924

5G; 6G; integrated circuits; communication; system

Meng, Fanyi, Zhu, Forest, Jin, Jing, Zhou, Peigen, Moloudian, Gholamhosein and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2024) Call for papers for IET special issue: Emerging technologies in analogue and RF integrated circuits and systems enabling 5/6G communication. Institution of Engineering and Technology (IET).

Antenna, array, embedded system, wireless communication, IoT

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2019) International Journal of Electronics, Communications, and Measurement Engineering (IJECME). IGI Global, Hershey, Pennsylvania, USA.

Arduino, microcontroller, barcode system, light-emitting diode, radio frequency identification, smart shopping trolley

Arinze, Stella N., Okafor, Patrick U., Obi, Emenike R. and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2024) Implementation of radio frequency identification technology for a secure and intelligent shopping cart. Bulletin of Electrical Engineering and Informatics (BEEI), 14 (1):8243. pp. 143-152. ISSN 2089-3191 (Print), 2302-9285 (Online) (doi:10.11591/eei.v14i1.8243)

Artificial Intelligence; cloud computing; embedded systems; energy harvesting; image processing; Internet of Things; machine learning; mobile communications; neural networks; renewable energy systems; smart cities

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (ed.) (2022) 5G Internet of Things and changing standards for computing and electronic systems. Advances in Computer and Electrical Engineering (ACEE) Book Series . IGI Global, Hershey, Pennsylvania, USA. ISBN 978-1668438558; 1668438550; 978-1668438565; 978-1668438572

AssessLIFE software; automation of asset degradation; degradation drivers; corrosion

Obi, Emenike and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2022) AssessLIFE software for automation of asset degradation to estimate Asset life and degradation drivers. In: Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269, (ed.) 5G Internet of Things and Changing Standards for Computing and Electronic Systems. IGI Global, Hershey, Pennsylvania, pp. 30-80. ISBN 978-1668438558; 1668438550; 978-1668438565; 978-16684385 (doi:10.4018/978-1-6684-3855-8.ch002)

BPF, circuit conversion, coupling, microstrip, multi-band

Mahadevaswamy, Chandramouli H., Vasistha, Anup and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2024) Dual-band bandpass filter derived from the transformation of a single-band bandpass filter. In: 2024 25th International Microwave and Radar Conference (MIKON). IEEE. ISBN 979-8350371611 ISSN 2770-3045 (Print), 2995-0570 (Online) (doi:10.23919/MIKON60251.2024.10633986)

RF and microwave circuits and devices; battery-free RF/microwave systems; antennas and propagation; cognitive radio/radar systems; satellite and wireless systems; passive components; active components; wireless/radio access technologies; metamaterials; wireless power transfer; energy harvesting; substrate integrated waveguide

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 and Yeo, Kenneth S. K. (eds.) (2022) Emerging research in microwave systems and applications. Electronics: Emerging Research in Microwave Systems and Applications -Microwave and Wireless Communications . MDPI, Basel, Switzerland. ISSN 2079-9292 (Online)

RFID; microwave circuit; wireless power transfer; 5G; 6G; communication

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2024) Call for chapters: RFID, microwave circuit, and wireless power transfer enabling 5/6G communication. IGI Global - Information Resources Management Association, Hershey, PA, USA.

RFID; wireless sensing; RF/microwave components; sensors; smart connectivity

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2023) Special Issue Title: RFID and applications of RF/microwave circuits and systems. MDPI, Basel, Switzerland. (In Press)

SIW, PCB, bandpass filter

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Yeo, Kenneth S. K. and Dainkeh, Amadu (2017) Low cost SIW Chebyshev bandpass filter with new input/output connection. In: 2016 16th Mediterranean Microwave Symposium (MMS). IEEE, pp. 1-4. ISBN 978-1509025862 ISSN 2157-9830 (Online) (doi:10.1109/MMS.2016.7803795)

SIW, diplexer

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Dainkeh, Amadu and Yeo, Kenneth Siok Kiam (2018) Substrate integrated waveguide (SIW) diplexer with novel input/output coupling and no separate junction. Progress In Electromagnetics Research M, 67. pp. 75-84. ISSN 1937-8726 (doi:10.2528/PIERM18021603)

SIW, diplexer, filters, microstrip, resonator, waveguide, stubstrate

Nwajana, Augustine Onyenwe ORCID: https://orcid.org/0000-0001-6591-5269 and Yeo, Kenneth Siok (2020) Practical Approach to Substrate Integrated Waveguide (SIW) Diplexer: Emerging Research and Opportunities. Advances in Mechatronics and Mechanical Engineering (AMME), 26 . IGI Global, Hershey, PA, USA. ISBN 978-1799820840

UWB; microstrip patch antenna; Coaxial feed; GT-008; X-band; mm-Waves; CST

Saeed, Muhammad A., Ahmad, Muneeb, Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269, Rehman, Masood Ur, Muhammad Ammar, Sohaib and Ateeqa, Naseer (2022) Coaxial feed ultra-wideband microstrip antenna for medical applications. In: 2022 International Conference on Electrical, Computer and Energy Technologies (ICECET), 20-22 July 2022. Prague, Czech Republic. ICECET Series (2). Institute of Electrical and Electronics Engineers (IEEE), Piscataway, New Jersey, pp. 1-4. ISBN 978-1665470872; 978-1665470889 (doi:10.1109/ICECET55527.2022.9872795)

algorithms, digital image processing, discrete cosine transforms, image acquisition, image enhancement, image segmentation, MATLAB

Ijemaru, Gerald and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2021) Image processing system using MATLAB-based analytics. Bulletin of Electrical Engineering and Informatics, 10 (5). pp. 2566-2577. ISSN 2089-3191 (Print), 2302-9285 (Online) (doi:10.11591/eei.v10i5.3160)

alloy degradation; corrosion; erosion; fatigue; flow turbulence; stress corrosion cracking

Obi, Emenike R. and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2022) Modeling, integration, and automation of degradation to generate asset lifespan analytics using AssessLIFE software. International Journal of Manufacturing, Materials, and Mechanical Engineering, 12 (1):28. pp. 1-40. ISSN 2156-1680 (Print), 2156-1672 (Online) (doi:10.4018/IJMMME.300828)

bandpass filter, coplanar waveguide (CPW), coupling, substrate integrated waveguide (SIW)

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Dainkeh, Amadu and Yeo, Kenneth S.K. (2017) Substrate integrated waveguide (SIW) bandpass filter with novel microstrip-CPW-SIW input coupling. Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 16 (2). pp. 393-402. ISSN 2179-1074 (Online) (doi:10.1590/2179-10742017v16i2793)

bandpass, channel filter, coupling, hairpin, resonator, microstrip, circuit modelling, J-inverter

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2021) A step-by-step approach to bandpass/channel filter design. International Journal of Electronics, Communications, and Measurement Engineering, 10 (2):1. pp. 1-14. ISSN 2578-7551 (Print), 2578-7543 (Online) (doi:10.4018/IJECME.2021070101)

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Obi, Emenike Raymond, Ijemaru, Gerald Kelechi, Oleka, Emmanuel U. and Anthony, Destiny Chidi (2021) Fundamentals of RF/Microwave bandpass filter design. In: Nwajana, Augustine O. and Ihianle, Isibor Kennedy, (eds.) Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering. IGI Global, USA, pp. 149-164. ISBN 978-1799869924 (doi:10.4018/978-1-7998-6992-4.ch005)

bandpass/channel filter, coupling, hairpin, resonator, microstrip

Nwajana, Augustine Onyenwe ORCID: https://orcid.org/0000-0001-6591-5269 (2020) Circuit modelling of bandpass/channel filter with microstrip implementation. Indonesian Journal of Electrical Engineering, and Informatics, 8 (4). pp. 696-705. ISSN 2089-3272 (doi:10.11591/ijeei.v8i4.2466)

counterfeit; intellectual property; Nigeria; pharmaceuticals; TRIPS agreement; WTO

Imasuen, Ifueko Itohan and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2022) Balancing WTO-TRIPS standard against Nigeria counterfeit regulatory efforts: a critique. International Journal of Public and Private Perspectives on Healthcare, Culture, and the Environment, 6 (1):75. pp. 1-19. ISSN 2471-1047 (Print), 2471-1055 (Online) (doi:10.4018/IJPPPHCE.301575)

critical infrastructure; cybersecurity; risk management; i-CSRM; framework

Kure, Halima and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2022) Protection of critical infrastructure using an Integrated Cybersecurity Risk Management (i-CSRM) framework. In: Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269, (ed.) 5G Internet of Things and Changing Standards for Computing and Electronic Systems. IGI Global, Hershey, Pennsylvania, pp. 94-133. ISBN 978-1668438558; 1668438550; 978-1668438565; 978-16684385 (doi:10.4018/978-1-6684-3855-8.ch004)

diplexer, filter, coupling, resonator, hairpin, microstrip, T-junction

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Okafor, Patrick U. and Arinze, Stella N. (2020) T-junction diplexer for RF front end of a cellular base station. INTERNATIONAL JOURNAL OF MICROWAVE AND OPTICAL TECHNOLOGY, 15 (6). pp. 537-543. ISSN 1553-0396

failure mode; Pareto analysis; optimization; maintenance; resources; availability; reliability

Egbe, Gregory, Arinze, Stella, Ebenuwa, Solomon, Nwajana, Emenike and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2024) Maintenance resources optimization using Pareto analysis: instrumentation air compressor in Oredo, Nigeria. International Journal of Manufacturing, Materials, and Mechanical Engineering, 13 (1). pp. 1-14. ISSN 2156-1680 (Print), 2156-1672 (Online) (doi:10.4018/IJMMME.353392)

filter, microstrip, dual-band, resonator, WiMAX, microwave, dual-mode

Nwajana, Augustine / O. ORCID: https://orcid.org/0000-0001-6591-5269 (2020) Dual-Band Microwave Filter for WiMax Application. LAMBERT Academic Publishing, Germany. ISBN 978-6202677585

filter, microstrip, edge coupling, direct coupling

Ogbodo, Eugene and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2021) A bandpass filter using edge coupled and direct coupled techniques. In: 2021 International Conference on Electrical, Communication, and Computer Engineering (ICECCE). Kuala Lumpur, Malaysia. 12-13 June 2021. IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 1-4. ISBN 9781665438971 ; 9781665446020 (doi:10.1109/ICECCE52056.2021.9514068)

human activity recognition, deep learning, machine learning, wearable sensors, convolutional neural network, long short-term memory

Isibor, Ihianle, Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Ebenuwa, Solomon Henry, Otuka, Richard I., Owa, Kayode and Orisatoki, Mobolaji O. (2020) A deep learning approach for human activities recognition from multimodal sensing devices. IEEE Access, 8. pp. 179028-179038. ISSN 2169-3536 (Online) (doi:10.1109/ACCESS.2020.3027979)

microstrip antenna arrays; patch antennas; dielectric materials; microstrip antennas; bandwidth; current distribution; microstrip; microstrip; array; RO3010; sub-terahertz; antenna; microstrip-line

Saeed, Muhammad A. and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2024) Sub-terahertz microstrip antenna array for future communication. In: 2023 International Conference on Electrical, Computer and Energy Technologies (ICECET). Cape Town, South Africa, 16th - 17th November 2023. IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, New Jersey, pp. 1-4. ISBN 979-8350327816; :979-8350327823 (doi:10.1109/ICECET58911.2023.10389582)

microstrip patch antenna; rectangular patch; 5G/6G; millimetre wave; linear array; microstrip line

Saeed, Muhammad and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2024) A review of beamforming microstrip patch antenna array for future 5G/6G networks. Frontiers in Mechanical Engineering, 9:1288171. pp. 1-15. ISSN 2297-3079 (Online) (doi:10.3389/fmech.2023.1288171)

microstrip, T-junction, diplexer, filter, resonator, hairpin, coupling

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2021) Formulation for energy distribution in T-junctions for diplexer design. In: 2021 International Conference on Electrical, Communication, and Computer Engineering (ICECCE). Kuala Lumpur, Malaysia. 12-13 June 2021. IEEExplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ, pp. 1-4. ISBN 9781665438971 ; 9781665446020 (doi:10.1109/ICECCE52056.2021.9514074)

microstrip, dual-band filter, patch resonator

Yeo, Kenneth S. K. and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2013) A novel microstrip dual-band bandpass filter using dual-mode square patch resonators. Progress In Electromagnetics Research C, 36. pp. 233-247. ISSN 1937-8718 (doi:10.2528/PIERC12120312)

microstrip; antenna array; beamforming; millimeter-wave

Saeed, Muhhamed and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2023) A novel beamforming antenna array for 5G and beyond applications. In: Proc. of the 8th International Conference on Engineering and Emerging Technologies (2022 ICEET). 27-28 October 2022. Kuala Lumpur, Malaysia. IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, New Jersey, pp. 1-4. ISBN 978-1665491068; 978-1665491051; 978-1665491075 ISSN 2409-2983 (Print), 2831-3682 (Online) (doi:10.1109/ICEET56468.2022.10007412)

microwave, diplexer, coupling, resonator

Nwajana, Augustine Onyenwe ORCID: https://orcid.org/0000-0001-6591-5269 and Yeo, Kenneth Siok Kiam (2016) Microwave diplexer purely based on direct synchronous and asynchronous coupling. Radioengineering, 25 (2). pp. 247-252. ISSN 1210-2512 (Print), 1805-9600 (Online) (doi:10.13164/re.2016.0247)

microwave, filter, diplexer, resonator

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 and Yeo, Kenneth S. K. (2017) Multi-coupled resonator microwave diplexer with high isolation. In: 2016 46th European Microwave Conference (EuMC). IEEE, pp. 1167-1170. ISBN 978-2874870439 (doi:10.1109/EuMC.2016.7824556)

mobile application, food waste reduction, software development, sustainable food, systems, digital food redistribution

Mohod, Priya Tushar, Otuka, Richard I., Ajienka, Nemitari, Ihianle, Isibor Kennedy and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2024) A mobile application to facilitate meal box sharing in corporate environments using cloud infrastructure. Electronics, 13 (23):4631. ISSN 2079-9292 (Online) (doi:10.3390/electronics13234631)

multi-port networks; filters; amplifiers; antennas; power dividers/combiners; diplexers/multiplexers; frequency selective surfaces; metamaterials; wireless power transfer; energy harvesting

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 and Zhou, Jiafeng (eds.) (2021) Advancements in RF, microwave and millimeter-wave circuits and devices. Electronics: Emerging Research in Microwave Systems and Applications - Microwave and Wireless Communications . MDPI, Basel, Switzerland. ISSN 2079-9292 (Online)

power dividers; radio frequency; microstrip filters; microstrip resonators; filtering; resonant frequency; prototypes; bandpass; combiner; divider; filter; FPD; microstrip; resonator; three-way

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 and Paul, Rose (2024) 3-way equal filtering power divider using compact folded-arms square open-loop resonator. In: Proceedings of the 25th International Microwave and Radar Conference (MIKON) 1st - 4th July 2024, Wroclaw, Poland. IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, New Jersey, pp. 189-193. ISBN 978-8396972613; 979-8350371611 ISSN 2770-3045 (Print), 2995-0570 (Online) (doi:10.23919/MIKON60251.2024.10633981)

power electronics; radio frequency; microwave engineering

Gregor, Raul, Yeap, Kim H. and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (eds.) (2023) Power Electronics, Radio Frequency and Microwave Engineering. IntechOpen, London. ISBN 978-1803569123; 978-1803569116; 978-1803569130

power splitter, microstrip, resonator

Dainkeh, A., Nwajana, A.O. ORCID: https://orcid.org/0000-0001-6591-5269 and Yeo, K.S.K. (2016) Filtered power splitter using microstrip square open loop resonators. Progress In Electromagnetics Research C, 64. pp. 133-140. ISSN 1937-8718 (doi:10.2528/PIERC16042005)

radio frequency identification; wireless sensors, RFID data fusion, smart healthcare, filtering devices, RF power dividers, antennas

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 and Okafor, Patrick (2023) Call for Papers for Frontiers in Mechanical Engineering Special Issue: RFID and RF Circuits/Components. Frontiers Media.

radio frequency; filter; diplexer; triplexer; power divider/combiner; antennas; sensors; substrate-integrated waveguide

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 and Obi, Emenike Raymond (2022) A review on SIW and its applications to microwave components. Electronics, 11 (7):1167. pp. 1-21. ISSN 2079-9292 (Online) (doi:10.3390/electronics11071160)

resonator; half-wavelength; square open-loop; folded-arms square open-loop; bandpass filter; coupling; microstrip

Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 and Obi, Emenike Raymond (2023) Application of compact folded-arms square open-loop resonator to bandpass filter design. Micromachines, 14 (2):320. ISSN 2072-666X (Online) (doi:10.3390/mi14020320)

terahertz; microstrip; Roger 3010; CST; wide-bandwidth

Saeed, Muhammad A. and Nwajana, Augustine ORCID: https://orcid.org/0000-0001-6591-5269 (2023) U-Shaped terahertz microstrip patch antenna for 6G future communications. In: 2023 7th International Electromagnetic Compatibility Conference (EMC Turkiye). 17th - 20th September 2023. Istanbul, Turkiye. IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, New York, pp. 1-4. ISBN 979-8350342130; 979-8350342147 (doi:10.1109/EMCTurkiye59424.2023.10287461)

unequal power divider, combiner, bandpass, channel filter, 3dB power splitter, hairpin resonator, microstrip, square open loop resonator

Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, Ijemaru, Gerald K., Ang, Kenneth L.-M., Seng, Jasmine K. P. and Yeo, Kenneth S. K. (2021) Unbalanced two-way filtering power splitter for wireless communication systems. Electronics, 10 (5):617. ISSN 2079-9292 (Online) (doi:10.3390/electronics10050617)

waste management, smart cities (SCs), internet of things (IoT), internet of vehicles (IoV), big data, data mules, mobile data collectors (MDCs)

Ijemaru, Gerald K., Ngharamike, Ericmoore T., Oleka, Emmanuel U. and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2021) An energy-efficient model for opportunistic data collection in IoV-enabled SC waste management. Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering. IGI Global. ISBN 978-1799869924 (doi:10.4018/978-1-7998-6992-4.ch001)