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)

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)

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)

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 (2024) Call for chapters: RFID, microwave circuit, and wireless power transfer enabling 5/6G communication. IGI Global - Information Resources Management Association, Hershey, PA, USA.

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 and Ihianle, Isibor (eds.) (2021) Handbook of Research on 5G Networks and Advancements in Computing, Electronics, and Electrical Engineering. IGI Global, USA. ISBN 9781799869924

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)

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, 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, 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)

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)

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)