Article

Omozuhiomwen, Gregory Egbe, Kure, Halima I., Obi, Emenike Raymond, Ebenuwa, Solomon H., Ijemaru, Gerald K. and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2025) Reliability–centered maintenance using reliability parameters on gas compressors. International Journal of Manufacturing, Materials, and Mechanical Engineering (IJMMME), 14 (1):367256. ISSN 2156-1680 (Print), 2156-1672 (Online) (doi:10.4018/IJMMME.367256)

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)

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)

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)

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)

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)

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

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)

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)

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)

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)

Book Section

Vasistha, Anup Raju, Mahadevaswamy, Chandramouli H., Ebenuwa, Solomon H. and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2025) Chapter 3. Investigating single-to dual-band bandpass filter transformation for wireless communication systems. In: Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, (ed.) RFID, Microwave Circuit, and Wireless Power Transfer Enabling 5/6G Communication. IGI Global Scientific Publishing, Hershey PA, USA, pp. 71-86. ISBN 979-8369387993; 979-8369388006; 979-8369388013 (doi:10.4018/979-8-3693-8799-3.ch003)

Mayowa, Moyinoluwalogo, Otuka, Richard I., Ajienka, Nemitari and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2025) Chapter 6. Enhancing public safety in developing countries using a mobile application solution: Nigeria as a case study. In: Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, (ed.) RFID, Microwave Circuit, and Wireless Power Transfer Enabling 5/6G Communication. IGI Global Scientific Publishing, Hershey, PA, USA, pp. 155-206. ISBN 979-8369387993; 979-8369388006; 979-8369388013 (doi:10.4018/979-8-3693-8799-3.ch006)

Egbe, Gregory Omozuhiomwen, Arinze, Stella Ndidi, Obi, Emenike Raymond and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2025) Chapter 9. Multisensor data fusion and its application. In: Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269, (ed.) RFID, Microwave Circuit, and Wireless Power Transfer Enabling 5/6G Communication. IGI Global, Hershey, PA, USA, pp. 255-290. ISBN 979-8369387993; 979-8369388006; 979-8369388013 (doi:10.4018/979-8-3693-8799-3.ch009)

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)

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)

Edited Book

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

Conference Proceedings

Saeed, Muhammad Asfar and Nwajana, Augustine O. ORCID: https://orcid.org/0000-0001-6591-5269 (2025) Design of a rectangular linear microstrip patch antenna array for 5G communication. In: 2024 IEEE International Symposium on Phased Array Systems and Technology (ARRAY), 15th - 18th October 2024, Boston, MA, USA. IEEE Xplore . Institute of Electrical and Electronics Engineers (IEEE), Piscataway, New Jersey, pp. 1-4. ISBN 979-8350392159; 979-8350392142 (doi:10.1109/ARRAY58370.2024.10880409)

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)

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)

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)

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)

Other

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.