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Oliver Ibe

Oliver Ibe
Oliver C. IbeProfessor
  • CollegeFrancis College of Engineering
  • DepartmentElectrical & Computer Eng
  • Phone(978) 934-3118
  • Emailoliver_ibe@uml.edu

Research Interests

Mobile & Converged Communications

Mobile and fixed wireless communication networks, voice over IP networks, communications systems performance analysis,stochastic systems modeling, bioinformatics, and storage area network performance modeling

Education

  • Ph D: Electrical Engineering, (1981), Massachusetts Institute of Technology - Cambridge, Massachusetts
  • MBA, (1980), Northeastern University, Boston, Massachusetts - Boston, Massachusetts
  • MS: Electrical Engineering and Computer Science, (1979), Massachusetts Institute of Technology, Cambridge, Massachusetts - Cambridge, Massachusetts.
  • BS: Electrical Engineering, (1975), University of Nigeria, Nsukka - Nsukka, Nigeria

Awards and Honors

  • Best Teacher Award, Service, University - Department of Electrical and Computer Engineering, Umass Lowell

Publications

  • Ibe, O.C., Adakeja, O.A. (2015) "M/M/1 Differentiated Vacation Queueing Systems with Vacation-Dependent Service Rates," International Review on Modeling and Simulations 8: pp. 505-11
  • Ibe, O.C. (2014) "Fundamentals of Applied Probability and Random Processes," Elsevier 2
  • Ibe, O.C., Isijola, O. (2014) "M/M/1 Multiple Vacation Queueing Systems with Differentiated Vacations," Modeling and Simulation in Engineering 2014: pp. 1-6
  • Isijola-Adakeja, O., Ibe, O.C. (2014) "M/M/1 Multiple Vacation Queueing Systems with Differentiated Vacations and Vacation Interruptions," IEEE Access 2:2014 pp. 1384-1395
  • Ibe, O. (2013) "Markov Processes for Stochastic Modeling: Second Edition," Markov Processes for Stochastic Modeling: Second Edition pp. 1-494
  • Lakshmi Narayanan, R.G., Ibe, O.C. (2012) "A joint network for disaster recovery and search and rescue operations," Computer Networks 56:14 pp. 3347-3373
  • Raj, A., Ibe, O.C. (2007) "A survey of IP and multiprotocol label switching fast reroute schemes," Computer Networks 51:8 pp. 1882-1907
  • Keilson, J., Ibe, O.C. (1995) "Cutoff priority scheduling in mobile cellular communication systems," IEEE Transactions on Communications 43:2 -4 pt 2 pp. 1038-1045
  • Ibe, O.C., Keilson, J. (1995) "Multi-server threshold queues with hysteresis," Performance Evaluation 21:3 pp. 185-213
  • Ibe, O.C., Keilson, J. (1993) "Overload control in finite-buffer multiclass message systems," Telecommunication Systems 2:1 pp. 121-140
  • Ibe, O.C., Choi, H., Trivedi, K.S. (1993) "Performance evaluation of client-server systems," IEEE Transactions on Parallel and Distributed Systems 4:11 pp. 1217-1229
  • Ibe, O.C., Wein, A.S. (1992) "Availability of systems with partially observable failures," IEEE Transactions on Reliability 41:1 pp. 92-96
  • Ibe, O.C. (1992) "Reliability comparison of token-ring network schemes," IEEE Transactions on Reliability 41:2 pp. 288-293
  • Cheng, X., Ibe, O.C. (1992) "Reliability of a class of multistage interconnection networks," IEEE Transactions on Parallel and Distributed Systems 3:2 pp. 241-246
  • Ibe, O.C., Trivedi, K.S. (1991) "Stochastic petri net analysis of finite-population vacation queueing systems," Queueing Systems 8:1 pp. 111-127
  • Ibe, O.C., Xian Cheng, . (1990) "Analysis of interconnected systems of token ring networks," Computer Communications 13:3 pp. 136-142
  • Ibe, O.C., Trivedi, K.S. (1990) "Stochastic Petri net models of polling systems," IEEE Journal on Selected Areas in Communications 8:9 pp. 1649-1657
  • Ibe, O.C., Trivedi, K.S. (1990) "Two queues with alternating service and server breakdown," Queueing Systems 7:3-4 pp. 253-268
  • Ibe, O.C., Cheng, X. (1989) "Approximate analysis of asymmetric single-service token-passing systems," IEEE Transactions on Communications 37:6 pp. 572-577
  • Ibe, O.C., Howe, R.C., Trivedi, K.S. (1989) "Approximate availability analysis of VAXcluster systems," IEEE Transactions on Reliability 38:1 pp. 146-152
  • Ibe, O.C., Howe, R.C. (1989) "Architectures for metropolitan area networks," Computer Communications 12:6 pp. 315-323
  • Ibe, O.C., Cheng, X. (1989) "Performance analysis of asymmetric single-buffer polling systems," Performance Evaluation 10:1 pp. 1-14
  • Ibe, O.C., Esogbue, A.O. (1988) "Application of Lagrangian relaxation to computer network control," Computers and Mathematics with Applications 16:10-11 pp. 845-850
  • Ibe, O.C., Cheng, X. (1988) "STABILITY CONDITIONS FOR MULTISEQUENCE SYSTEMS WITH CYCLIC SERVICE.," IEEE Transactions on Automatic Control 33:1 pp. 102-103
  • Ibe, O.C. (1987) "An integrated CATV-type metropolitan area network," Computer Networks and ISDN Systems 13:4-5 pp. 291-299
  • Ibe, O.C. (1987) "INTRODUCTION TO LOCAL AREA NETWORKS FOR MANUFACTURING AND OFFICE SYSTEMS.," IEEE Control Systems Magazine 7:3 pp. 36-42
  • Ibe, O.C. (1987) "Performance comparison of explicit and implicit token-passing networks," Computer Communications 10:2 pp. 59-69
  • Ibe, O.C. (1986) "FLOW CONTROL IN INTEGRATED VOICE AND DATA LOCAL AREA NETWORKS.," Advances in Telecommunication Networks Series pp. 215-234
  • Ibe, O.C., Gibson, D.T. (1986) "PROTOCOLS FOR INTEGRATED VOICE AND DATA LOCAL AREA NETWORKS.," IEEE Communications Magazine 24:7 pp. 30-36
  • Ibe, O.C. (1986) "Special issue on local area networks," Computer Networks and ISDN Systems 11:2 pp. 87
  • Ibe, O.C., Gibson, D.T. (1986) "Synchronous communication protocols for local networks," Computer Networks and ISDN Systems 11:2 pp. 89-97
  • Ibe, O.C., Maruyama, K. (1985) "An approximation method for a class of queueing systems," Performance Evaluation 5:1 pp. 15-27
  • Ibe, O.C., Chen, P.Y. (1985) "Hybrinet: A hybrid bus and token ring network," Computer Networks and ISDN Systems 9:3 pp. 215-221

Presentations

  • Stochastic Petri Net Model of QoS Provisioning in Cognitive Radio Networks - First International Workshop on Network Performance Evaluation, April 2009 - Boston
  • Wake Acoustic Analysis and Image Decomposition via Beamforming of Microphone Signal Projections on Wavelet Subspaces - 12th AIAA/CEAS Aeroacoustics Conference (27th AIAA Aeroacoustics Conference), May 2006 - Cambridge, Massachusetts
  • Tone Reservation PAR Reduction Technique for Complex Signals and its Application to STC-OFDM - 2nd International Conference on Cybernetics and Information Technologies, Systems and Applications (CITSA 2005), July 2005 - Orlando, Florida
  • Acoustical Spectral Analysis of a Wake Vortex Cross-Section Using Microphone-Arrays - 14th Annual Meeting of the Acoustical Society of America., May 2005 - Vancouver, British Columbia.
  • Should I add a processor? - Hawaii International Conference on System Sciences, January 1990 - Hawaii
  • Stochastic Petri net modeling of VAXcluster availability - 3rd International Workshop on Petri Nets and Performance Models., December 1989 - Kyoto, Japan
  • Local network interconnection schemes and their availability analysis - 14th Annual Conference on Local Computer Networks., October 1989 - Minneapolis, Minnesota
  • Availability analysis of systems with partially observable failure types - 27th Annual Spring IEEE Reliability Seminar, April 1989 - Framingham, Massachusetts
  • A medium access control protocol for CATV-type networks - IEEE INFOCOM'87, 1987 - San Francisco, CA
  • Analysis of asymmetric polling systems with limited service - IEEE International Conference on Communications., June 1987 - Seattle, Washington.
  • Performance of a group polling protocol for metropolitan area networks - TIMS/ORSA Conference,, May 1987 - New Orleans, Louisiana.
  • Analysis of polling systems with single-message buffers - IEEE Global Telecommunications Conference, December 1986 - Houston Texas
  • An integrated local area network for manufacturing and office systems - IEEE International Conference on Systems, Man, and Cybernetics., October 1986 - Atlanta, Georgia.
  • Modeling of integrated packet-switched voice and data networks - IEEE Global Telecommunications Conference, December 1985 - New Orleans, Louisiana.
  • TreeNet: An integrated metropolitan area network - IEEE Global Telecommunications Conference, December 1985 - New Orleans, Louisiana.
  • Performance of local networks with alternating modes of operation, June 1985 - Chicago, Illinois

Intellectual Property

  • Patent - Ibe, O.C."Hybrid Server Overload Control Scheme for Maximizing Server Throughput," Patent Number 8,341,265
  • - Ibe, O."Method of Seamless Roaming Between Wireless Local Area Networks and Cellular Carrier Networks," Patent No. 8,041,360
  • - Ibe, O."Method of Seamless Roaming Between Wireless Local Area Networks and Cellular Carrier Networks, Part 1," Patent No. 7,835,751
  • - Ibe, O."Data Handoff Method between Wireless Local Area Network and Wireless Wide Area Network," Patent No. 7,356,015
  • Patent - Ibe, O."Authentication of Mobile Devices via Proxy Device," Patent No. 7,203,482
  • - Ibe, O."," Patent No. 6,437,804
  • - Ibe, O.C."Policy Management and Conflict Resolution in Computer Networks," Patent No. 6,381,639
  • Patent - Ibe, O.C."Policy Management and Conflict Resolution in Computer Networks, Part 1," Patent No. 5,889,953

Contracts, Fellowships, Grants and Sponsored Research

  • Commonwealth Corps-Massachusetts Service Alliance (2009), -
    Ibe, O.C. (Principal)
  • Commonwealth Corps-Massachusetts Service Alliance (2008), -
    Ibe, O.C. (Principal)