Items where Author is "Ndujiuba, Charles Uzoanya"

Okokpujie, Kennedy O. and Noma-Osaghae, Etinosa and John, S. N. and Ndujiuba, Charles Uzoanya and Okokpujie, Imhade P. (2021) Comparative analysis of augmented datasets performances of age invariant face recognition models. Bulletin of Electrical Engineering and Informatics, 10 (3). pp. 1356-1367. ISSN 2302-9285,

Okokpujie, Kennedy O. and John, S. N. and Ndujiuba, Charles Uzoanya and Badejo, J. A. and Noma-Osaghae, Etinosa (2021) An improved age invariant face recognition using data augmentation. Bulletin of Electrical Engineering and Informatics, 10 (1). pp. 179-191.

Okokpujie, Kennedy O. and John, S. N. and Ufuah, Donald and Nwagu, Martins and Noma-Osaghae, Etinosa and Ndujiuba, Charles Uzoanya and Okokpujie, I. P. (2020) Development of an Illumination Invariant Face Recognition System. International Journal of Advanced Trends in Computer Science and Engineering, 9 (5). pp. 9215-9220. ISSN 2278-3091

John, S. N. and Noma-Osaghae, Etinosa and Okokpujie, Kennedy O. and Andu, Oluwatomisin and Okereke, Chinonso and Ndujiuba, Charles Uzoanya and Onyiagha, G. (2020) Effectiveness of Gigabit Passive Optical Network (GPON) Technology Towards Broadband Enhancement in Homes. In: ACADEMICSERA INTERNATIONAL CONFERENCE , 18th - 19th April 2020, London, United Kingdom.

Okokpujie, Kennedy O. and John, S. N. and Ndujiuba, Charles Uzoanya and Noma-Osaghae, Etinosa (2020) Development of an adaptive Trait-Aging Invariant recognition System using Convolutional Neural Network. In: Information Science and Application. Springer.

Ojewande, Olasunkanmi and Ndujiuba, Charles Uzoanya and Adelakun, A. and Popoola, Segun I. and Atayero, A. A. (2020) Negative resistance amplifier circuit using GaAsFET modelled single MESFET. TELKOMNIKA Telecommunication, Computing, Electronics and Control, 18 (1). pp. 179-190. ISSN 1693-6930

Alalade, A. M. and Ndujiuba, Charles Uzoanya and Adewale, Adeyinka A. and Ekong, E. E. and Etta, M. N. (2019) Design of a fluorescent tube antenna with defined copper wire coupling specifications. In: International Conference on Engineering for Sustainable World, 2019, Online.

John, S. N. and Adewale, Adeyinka A. and Ndujiuba, Charles Uzoanya and Onyiagha, G. and Idoko, Dawn O. and Anoprienko, A. Y. (2019) A NEURO-FUZZY MODEL FOR INTELLIGENT LAST MILE ROUTING. International Journal of Civil Engineering and Technology, 10 (1). pp. 2341-2356. ISSN 0976-6308 and ISSN Online: 0976-6316

Noma-Osaghae, Etinosa and Okokpujie, Kennedy O. and Ndujiuba, Charles Uzoanya and Olatunji, Okesola and Okokpujie, Imhade P. (2018) Epidemic Alert System: A Web-based Grassroots Model. International Journal of Electrical and Computer Engineering (IJECE) , 8 (5). 3809 -3828. ISSN 2088-8708

Okoyeigbo, Obinna and Okokpujie, Kennedy O. and Noma-Osaghae, Etinosa and Ndujiuba, Charles Uzoanya and Shobayo, Olamilekan and Abolade , Jeremiah (2018) Comparative Study of MIMO-OFDM Channel Estimation in Wireless Systems. International Review on Modelling and Simulations (I.RE.MO.S.), 11 (3). pp. 158-165. ISSN 1974-9821

Ndujiuba, Charles Uzoanya and Ilesanmi, Oluwafemi A. and Agboje, O. E. (2017) Bandwidth Enhancement of An Inset-Fed Rectangular Patch Antenna using Partial Ground with Edge-cut Method. International Journal of Electromagnetics and Applications, 7 (1). pp. 9-16.

Ndujiuba, Charles Uzoanya and Ilesanmi, Oluwafemi A. and Agboje, O. E. (2017) Effect of Edge-cut Dimensions on the Electrical Parameters of an Inset-fed Rectangular Microstrip Patch Antenna with Partial Ground. International Journal of Networks and Communications, 7 (2). pp. 40-46. ISSN 2168-4944

Ndujiuba, Charles Uzoanya and Agboje, O. E. (2017) Restoration of Displaced Centre Frequency in Band-pass Distributed Filters using Predistortion Technique. International Journal of Applied Engineering Research, 12 (10). pp. 2470-2479. ISSN 0973-4562

Ndujiuba, Charles Uzoanya and John, S. N. and Ogunseye, Oladimeji (2017) Improving Data Transmission Efficiency over Power Line Communication(PLC) System Using OFDM. International Journal of Applied Engineering Research, 12 (5). pp. 705-710. ISSN 0973-4562

Ndujiuba, Charles Uzoanya and Ibhaze, Augustus Ehiremen and John, S. N. and Idachaba, F.E. (2017) An Empirical Propagation Model for Path Loss Prediction at 2100MHz in a Dense Urban Environment. Indian Journal of Science and Technology, 10 (5). ISSN ISSN (Print) : 0974-6846, ISSN (Online) : 0974-5645

Ndujiuba, Charles Uzoanya and Olowononi, Felix Opeyemi (2017) Migration from Microwave to Millimeter-wave for Next Generation Mobile Communication Systems. Communications on Applied Electronics (CAE), 6 (7). pp. 1-7. ISSN 2394-4714

Ndujiuba, Charles Uzoanya and Adewale, Adeyinka A. and Adagunodo, Emmanuel R. and John, S. N. (2016) Effect of Increasing Buffer Size on Prioritized Guard Channels with Queue during Call Traffic Congestion. In: International Conference on Computational Science and Computational Intelligence, 15-17 December 2016, Las Vegas USA.

Ike, Dike U. and John, S. N. and Ndujiuba, Charles Uzoanya (2016) Modified Selected Mapping Technique for Peak-to-Average Power Ratio Reduction in Orthogonal Frequency Division Multiplexing Systems. International Journal of Current Engineering and Technology, 6 (5). pp. 1665-1670. ISSN E-ISSN 2277 – 4106, P-ISSN 2347 – 5161

Ndujiuba, Charles Uzoanya and Nkordeh, Nsikan and Bob Manuel, Ibinabo and Oni, O.O. (2016) Characterization of Multiple Input Multiple Output: Investigating Spatial Diversity. International Journal of Applied Engineering Research 7662-7665, 11 (12). pp. 7662-7665. ISSN ISSN 0973-4562

Takpor, Temitope and Ndujiuba, Charles Uzoanya (2016) ECG Biosignal: Vital for Detecting Cardiovascular Diseases. In: Proceedings of the World Congress on Engineering, June 29 - July 1, 2016, London, U.K..

Takpor, Temitope O. and Ndujiuba, Charles Uzoanya (2016) ECG Biosignal: Vital for Detecting Cardiovascular Diseases. In: Proceedings of the World Congress on Engineering 2016 Vol I WCE 2016, June 29 - July 1, London, U.K..

Ndujiuba, Charles Uzoanya and John, S. N. and Taofeek, Bello (2016) Design of Duplexers for Microwave Communication Systems Using Open-loop Square Microstrip Resonators. International Journal of Electromagnetics and Applications., 06 (01). pp. 7-12. ISSN e-ISSN: 2168-5045

Ndujiuba, Charles Uzoanya and Ihhaze, Augustus (2016) Dynamic Differential Modulation of Sub-Carriers in OFDM. Journal of Wireless Networking and Communications, 06 (01). pp. 21-28. ISSN e-ISSN:2167-7336

Adewale, Adeyinka A. and Adagunodo , Emmanuel R. and John, S. N. and Ndujiuba, Charles Uzoanya (2016) A Comparative Simulation Study of IP, MPLS, MPLS-TE for Latency and Packet Loss Reduction over a WAN. International Journal of Networks and Communications, 06 (1). pp. 1-7. ISSN p-ISSN: 2168-4936 e-ISSN: 2168-4944

Adewale, Adeyinka A. and Adagunodo , Emmanuel R. and John, S. N. and Ndujiuba, Charles Uzoanya (2016) A Comparative Simulation Study of IP, MPLS, MPLS-TE for Latency and Packet Loss Reduction over a WAN. International Journal of Networks and Communications, 6 (1). pp. 1-7. ISSN p-ISSN: 2168-4936 e-ISSN: 2168-4944

Adewale, Adeyinka A. and John, S. N. and Adagunodo, Emmanuel R. and Ndujiuba, Charles Uzoanya (2016) Effect of Increasing Buffer Size on Prioritized Guard Channels with Queue during Call Traffic Congestion. In: International Conference on Computational Science and Computational Intelligence, 2016.

Ndujiuba, Charles Uzoanya and Oloyede, Adetokunbo (2015) Selecting Best Feeding Technique of a Rectangular Patch Antenna for an Application. International Journal of Electromagnetics and Applications, 5 (3). pp. 99-107. ISSN 2168-5037

Ndujiuba, Charles Uzoanya and Oni, O.O. and Ibhaze, Augustus E. (2015) Comparative Analysis of Digital Modulation Techniques in LTE 4G Systems. Journal of Wireless Networking and Communications, 5 (2). pp. 60-66.

Ndujiuba, Charles Uzoanya and Adelakun, A. and Agboje, Oboyerulu E. (2015) Hybrid Method of Analysis for Aperture-Coupled Patch Antenna Array for MIMO Systems. International Journal of Electromagnetics and Applications, 5 (2). pp. 90-97. ISSN 2168-5037

Oshin, Oluwadamilola I and Ndujiuba, Charles Uzoanya and Idachaba, F.E. (2015) 3GPP LTE: The Relevance of Interworking. In: The 2015 World Congress in Computer Science, Computer Engineering, and Applied Computing, July 27-30, 2015, Las Vegas, USA.

Ndujiuba, Charles Uzoanya (2015) Electromagnetic Fields, Waves and Propagation. Lightquick Production, Lagos Nigeria. ISBN 978-978-952-063-3

Ndujiuba, Charles Uzoanya and John, S. N. (2015) Fundamentals of Digital Signal Processing. Lightquick Production, Lagos Nigerai. ISBN 978-978-951-359-8

Ndujiuba, Charles Uzoanya and John, S. N. (2015) Analysis and Applications of Nonlinearities in Optical Fibres in Wavelength Division Multiplexed Systems. International Journal of Optoelectronic Engineering, 5 (1). pp. 1-10. ISSN 2167-731X

John, S. N. and Ndujiuba, Charles Uzoanya and Anthony-Michael, Veronica Ekaette and Okereke, Chinonso (2015) Flexibility for Internet Protocol Backbone Network for Airspace Management Agency Using Dense Wave Division Multiplexing (DWDM). International Journal of Optics and Applications, 5 (1). pp. 1-9. ISSN e-ISSN: 2167-731X

Ndujiuba, Charles Uzoanya and Oshin, Oluwadamilola and Nkordeh, Nsikan (2015) MIMO Deficiencies Due to Antenna Coupling. International Journal of Networks and Communications, 5 (1). pp. 10-17. ISSN p-ISSN: 2168-4936 e-ISSN: 2168-4944

Ndujiuba, Charles Uzoanya and Oshin, Oluwadamilola and Nkordeh, Nsikan (2014) MIMO Deficiencies Due to Antenna Coupling. International Journal of Networks and Communications, 5 (1). pp. 10-17. ISSN 2168-4936

Adegbenro , O. and John, S. N. and Ndujiuba, Charles Uzoanya and Akinade , B.A (2014) Modeling the Contributory effect of Impairment factors on Voice Transmitted over the Internet. International Journal of Computer Applications (0975 – 8887), 89 (3). pp. 42-47. ISSN ISBN: 978-93-80746-81-4

Adewale, Adeyinka A. and Dike , U. Ike and Ndujiuba, Charles Uzoanya and John, S. N. (2014) Improvement of Quality of Service (QoS) over a Wide Area Network (WAN) using Multiprotocol Label Switching Traffic Engineering (MPLS-TE). International Journal of Computer Applications, 88 (10). pp. 14-18. ISSN 0975-8887

Adebiyi, A. A. and John, S. N. and Ndujiuba, Charles Uzoanya (2014) Analytical Derivation of Latency in Computer Networks. British Journal of Mathematics & Computer Science, 4 (24). pp. 3476-3488. ISSN ISSN: 2231-0851

Ndujiuba, Charles Uzoanya and John, S. N. (2014) Applications and Benefits of Nonlinearities in Optical Fibres in Wavelength Division Multiplexed Systems. International Journal of Optoelectronic Engineering , 4 (1). pp. 1-10. ISSN e-ISSN: 2168-5061

John, S. N. and Ndujiuba, Charles Uzoanya and Okonigene, Robert E. and Okereke, Chinonso and Wakama, Miebaka E. (2014) Creating a Policy Based Network Intrusion Detection System using Java Platform. In: Int'l Conf. Security and Management | SAM'14 |, July 21-24, 2014, Las Vegas USA.

Adewale, Adeyinka A. and Ike, Dike and Ndujiuba, Charles Uzoanya and John, S. N. (2014) Improvement of Quality of Service (QOS) over a Wide Area Network (WAN) Using Multiprotocol Label Switching Traffic Engineering (MPLS-TE). International Journal of Computer Applications, 88 (10). pp. 14-18. ISSN 0975 – 8887

Ndujiuba, Charles Uzoanya and John, S. N. and Onasoga, Kayode (2014) Optic Fibericity - The New Era Lighting. International Journal of Energy Engineering, Scientific & Academic Publishing, 4 (4). pp. 69-74. ISSN e-ISSN: 2163-1905

Adewale, Adeyinka A. and John, S. N. and Ndujiuba, Charles Uzoanya (2014) A Simulation Study of Effect of MPLS on Latency over a Wide Area Network (WAN). In: Int'l Conf. Wireless Networks | ICWN'14 |, July 21-24, 2014, San Diego, California, USA.

John, S. N. and Ayo, C. K. and Ndujiuba, Charles Uzoanya and Okereke, Chinonso (2013) Design and Implemetation of a Unified e-ID Card for Secure e-Voting System (MUSES). International Journal of Computer and Information Technology , 02 (06). pp. 1131-1135. ISSN 2279 – 0764)

John, S. N. and Ndujiuba, Charles Uzoanya and Okonigene Robert, Robert and Udensi, Amaogechukwu Nwamara (2013) Developed Secure Network Model Using Radius Server. International Journal of Engineering Science and Innovative Technology , 02 (02). pp. 1-6. ISSN 2319-5967

Adewale, Adeyinka A. and Matthews, V. O. and Ndujiuba, Charles Uzoanya and Adenrele, Adeyemi M. (2013) Reduction of Routing Delay in an Enterprise Network using Dynamic Multipoint Private Network. International Journal of Computer Applications. pp. 1-6.

John, S. N. and Ndujiuba, Charles Uzoanya and Okonigene, Robert and Kenechukwu, Ndeche (2013) Simulation and Monitoring of a University Network for Bandwidth Efficiency Utilization. In: 10th international Conference on Modeling, Simulation and Visualisation Methods, USA.

John, S. N. and Anoprienko, A. A. and Ndujiuba, Charles Uzoanya (2013) TCP/IP Protocol-Based Model for Increasing the Efficiency of Data Transfer in Computer Networks. In: Integrated Models for Information Communication Systems and Networks: Design and Development. IGI-Global.

Adu, Oluwadamilola and Ndujiuba, Charles Uzoanya (2013) ’VoIP QoS over 3G & Beyond Radio Access Technologies. Lambert Academic Publishing, Germany. ISBN 978-3-659-49772-8

John, S. N. and Anoprienko , A.A and Ndujiuba, Charles Uzoanya (2012) Boosting Data Exchange Efficiency using Developed Multi-Layer Simulation Models. International Journal of Computer Applications , 54 (16). pp. 18-25. ISSN 0975-8887

John, S. N. and Akinola, E. and Ibikunle, F. and Ndujiuba, Charles Uzoanya and Akinaade, B. (2012) Modeling of Orthogonal Frequency Division Multiplexing (OFDM) for Transmission in Broadband Wireless Communications. Journal of Emerging Trends in Computing and Information Sciences, 3 (4). pp. 534-539. ISSN 2079-8407

Ndujiuba, Charles Uzoanya and Khanifar, A (1998) Predistorted Distributed Active Filters. In: 28th European Microwave Conference Amsterdam 1998, 1998, Amsterdam.

Haigh, David and Webster, Danny and Kaunisto, Risto and Ndujiuba, Charles Uzoanya (1996) Developments in RF Circuit Design. In: The RF Desgn Scheme, 15 February 1996, The IEE London.

Ndujiuba, Charles Uzoanya and Ajose, S.O. (1990) Wave Propagation in a Double-Sided Exponentially Tapered Rectangular Waveguide. Transactions on Microwave Theory and Techniques , 38 (9). pp. 1362-1365. ISSN 0018-9480/90/0900-1362

Ndujiuba, Charles Uzoanya and John, S. N. Active Inductor and Capacitor for DCS receiver band (1.71GHz – 1.785GHz) using multi-MESFET Negative Resistance Circuit. In: EIE’s 2nd International Conference on Computing, Energy, Networking, Robotics and Telecommunications (eieCon2012), Covenant University, Ota, Nigeria.

John, S. N. and Ndujiuba, Charles Uzoanya and Oluwaseyi, O. I. and Onyinye, I. C. Design and Implementation of a Microprocessor Based Temperature Controller With Real Time Display. In: EIE’s 2nd International Conference on Computing, Energy, Networking, Robotics and Telecommunications (eieCon2012).

Ndujiuba, Charles Uzoanya and Khanifar, A The Design of MMJC Filters Using Predistortion Technique. In: 28th European Microwave Conference , 1998, Amsterdam .

Ndujiuba, Charles Uzoanya and Idachaba, F.E. and Ibhaze, Augustus E. An Empirical Propagation Model for Path Loss Prediction at 2100MHz in a Dense Urban Environment. Indian Journal of Science and Technology, 8 (1).