Overview

  • Dr. Dimitrie C. Popescu received the Engineering Diploma and M.S. degrees from the Polytechnic Institute of Bucharest, Romania, and the Ph.D. degree from Rutgers University, all in Electrical Engineering. His research interests span the areas of communication systems, control theory, and signal processing. His current work is in the area of wireless communication systems, but he has also done research in speech processing, robust optimal control, and neural networks. Dr. Popescu has held academic positions with the University of Texas at San Antonio, Rutgers University, and POLITEHNICA University of Bucharest. He has also worked as a member of technical staff for AT&T Labs in Florham Park, New Jersey, and for Telcordia Technologies in Red Bank, New Jersey. He has co-authored a monograph book on interference avoidance methods for wireless systems published by Kluwer Academic Publishers in 2004, and was awarded second prize in the 1999 AT&T Student Research Symposium for his work on application of interference avoidance over dispersive channels. He joined the Department of Electrical and Computer Engineering at Old Dominion University in September 2006.
  • Selected Publications

    Articles In Academic Journals

    Year Title
    2017 Analyzing the Performance of Spectrum Sensing in Cognitive Radio Systems with Dynamic Primary User ActivityIEEE Communications Letters. 2037-2040.
    2017 Analyzing the performance of spectrum sensing in cognitive radio systems with dynamic PU activityIEEE Communications Letters. 2037-2040.
    2017 Automatic Incident Detection in Intelligent Transportation Systems Using Aggregation of Traffic Parameters Collected Through V2I CommunicationsIEEE Intelligent Transportation Systems Magazine.
    2017 Distributed Power Allocation for Spectrum Sharing in Mutually Interfering Wireless SystemsPhysical Communications/Elsevier. 42-48.
    2016 On the Performance of Sub-Band Precoded OFDM in the Presence of Narrowband Co-Channel InterferenceIEEE Transactions on Broadcasting. 736-743.
    2015 Blind Cyclostationarity-Based Symbol Period Estimation for FSK SignalsIEEE Communications Letters. 1149-1152.
    2015 Joint Beamforming and Power Control in Downlink Multiuser Multiple-Input Multiple-Output SystemsWireless Communications and Mobile Computing. 552-560.
    2015 Physical Layer Aspects of Information Exchange in the NOTICE ArhcitectureIEEE Intelligent Transportation Systems Magazine. 8-18.
    2014 Enhanced Spectrum Utilization in Dynamic Cognitive Radios with Adaptive SensingIET Signal Processing Journal. 339-346.
    2013 Joint Transmitter Adaptation and Power Control for Cognitive Radio Networks with Target SIR RequirementsPhysical Communications/Elsevier. 223-230.
    2013 Using Hidden Markov Models to Evaluate the Performance of Cooperative Spectrum SensingIET Communications Journal. 1969-1973.
    2012 Joint Spectral Shaping and Power Control in Spectrum Overlay Cognitive Radio SystemsIEEE Transactions on Communications. 2396-2401.
    2012 NOTICE: An Architecture for the Notification of Traffic IncidentsIEEE Intelligent Transportation Systems Magazine. 6-16.
    2012 Precoder Adaptation and Power Control for Cognitive Radios in Dynamic Spectrum Access EnvironmentsIET Communications Journal. 835-844.
    2012 Second-Order Cyclostationarity of Mobile WiMAX and LTE OFDM Signals and Applications to Spectrum Awareness in Cognitive Radio SystemsIEEE Journal on Selected Topics in Signal Processing (Special issue on adaptive waveform design for agile sensing). 26-42.
    2011 Enhancing VANET Performance by Joint Adaptation of Transmission Power and Contention Window SizeIEEE Transactions on Parallel and Distributed Systems. 1528-1535.
    2011 Gradient-Based Threshold Adaptation for Energy Detector in Cognitive Radio SystemsIEEE Communications Letters. 19-21.
    2010 A Game-Theoretic Approach to Joint Rate and Power Control for Uplink CDMA CommunicationsIEEE Transactions on Communications. 675-682.
    2010 Game Theoretic Approach To Joint Transmitter Adaptation and Power Control in Wireless SystemsIEEE Transactions on Systems, Man, and Cybernetics - Part B. 675-682.
    2010 User Admissibility in Uplink Wireless Systems with Multipath and Target SIR RequirementsIEEE Communications Letters. 106-108.
    2009 On the Likelihood-Based Approach to Modulation ClassificationIEEE Transactions on Wireless Communications. 5884-5892.
    2008 Distributed Algorithm for Optimal Sequence and Power Allocation in Uplink Code Division Multiple Access SystemsIET Communications Journal (former IEE Proceedings on Communications). 292-299.
    2008 Spectrum Load Balancing for Medium Access in Cognitive Radio SystemsIEEE Communications Letters. 353-355.
    2007 Adaptive Interference Avoidance for Dynamic Wireless Systems: A Game-Theoretic ApproachIEEE Journal on Selected Topics in Signal Processing (Special issue on adaptive waveform design for agile sensing). 189-202.
    2007 Interference Avoidance and Multiaccess Vector ChannelsIEEE Transactions on Communications. 1466-1471.
    2007 Interference Mitigation in Aeronautical Telemetry Systems Using Kalman FilterIEEE Transactions on Aerospace and Electronic Systems. 1624-1630.
    2007 Interference Suppressing OFDM UWB SystemWith Multiple Users and MMSE ReceiversIEEE Communications Letters. 925-927.
    2007 Narrowband Interference Avoidance in OFDM-Based UWB Communication SystemsIEEE Transactions on Communications. 1667-1673.
    2007 Simultaneous Water Filling in Mutually Interfering SystemsIEEE Transactions on Wireless Communications. 1102-1113.
    2005 Codeword Optimization for Uplink CDMA Dispersive ChannelsIEEE Transactions on Wireless Communications. 1563-1574.
    2004 Maximizing the Determinant for a Special Class of Block-Partitioned MatricesMathematical Problems in Engineering. 49-62.
    2003 Interference Avoidance and Multiuser MIMO SystemsInternational Journal of Satellite Communications and Networking (Invited paper for special issue on interference suppression techniques for satellite systems). 143-161.
    2001 A New Approach to Modeling and Control of a Food Extrusion Process Using Artificial Neural Network and an Expert SystemJournal of Food Process Engineering. 17-36.
    1999 Singular Perturbation Analysis of Cheap Control Problem for Sampled Data SystemsIEEE Transactions on Automatic Control. 2209-2214.
    1996 The Use of a Root-Locus Type Plot in the Linear Quadratic Regulator DesignThe Scientific Bulletin of POLITEHNICA University of Bucharest (series C). 85-88.
    1995 Algorithms for Evaluating the Dominant Components of the Feedback Gain MatrixThe Scientific Bulletin of POLITEHNICA University of Bucharest (series C). 75-79.

    Books

    Year Title
    2004 Interference Avoidance Methods for Wireless Systems.  Kluwer Academic Publishers, Information Technology: Transmission, Processing, and Storage series.

    Conference Papers

    Year Title
    2017 Fluctuating Extended Target Detection in Clutter Environment Using Compressed Sensing MIMO Radar.  507-512.
    2017 Secret Key Generation Using One-Bit Quantized Channel State Information
    2017 Secret Key Generation in MIMO Wireless Systems Using Precoded Channel Measurements
    2016 An Experimental Study of InGaAs Photovoltaic Cell to Solar Exposure in Outer Space Environment
    2016 Classification of Digital Modulation Schemes in Multipath Environments Using Higher Order Statistics
    2016 Cyclostationary-Based Detection of Steady-State Visually Evoked Potential Signals Recorded from EEG.  764-768.
    2016 Designing the Communication Sub-System for Nanosatellite CubeSat Missions: Operational and Implementation Perspectives
    2016 MIMO Radar Waveform Design for Multiple Extended Target Estimation Based on Greedy SINR Maximization.  3006-3010.
    2016 Performance Analysis of Extended Target Detection with Radar Waveforms Designed Using Compressed Sensing
    2015 A New Technique for Automatic Incident Detection in Intelligent Transportation Systems Using Aggregation of Traffic Parameters.  2162-2166.
    2015 Distributed Power Allocation for Rate maximization in Cognitive Radio Networks with Horizontal Spectrum Sharing.  950-954.
    2015 Horizontal Spectrum Sharing and Coexistence Scenarios for Mutually Interfering Systems.  34-37.
    2015 On the Performance of Precoded OFDM Systems in the Presence of Jamming.  358-361.
    2015 Reconstruction of Diffraction Field from its Samples Distributed Over Space
    2015 Sub-Band Precoded OFDM for Enhanced Physical Layer Resiliency in Wireless Communication Systems.  1-4.
    2014 MIMO Radar Waveform Design for Multiple Extended Targets Using Compressed Sensing.  567-572.
    2014 Multiple Extended Target Detection Using MIMO Radar and Compressed Sensing.  777-782.
    2014 On The Performance of 4G Mobile Wireless Systems with Multiple Antennas.  445-448.
    2014 On the Discharge Characteristics of Lithium Polymer Batteries
    2014 Using OFDM Pilot Tone Information to Detect Active 4G LTE Transmissions.  417-420.
    2014 Using OFDM Pilot Tones for Spectrum Sensing with Applications to Mobile WiMAX
    2013 A Study of IEEE 802.11 Standard for Use in Vehicle to Infrastructure Communication.  1303-1307.
    2013 A Study of Timing Synchronization for WiMAX Wireless Systems
    2013 Dynamic Spectral Shaping in LTE-Advanced Cognitive Radio Systems.  19-21.
    2013 Impact of Primary User Activity on the Performance of Energy-Based Spectrum Sensing in Cognitive Radio Systems.  3224-3228.
    2013 Joint Transmitter Adaptation and Power Control in Multi-User Wireless Systems with Fading Channels.  292-294.
    2013 Optimizing Performance of Cooperative Sensing for Increased Spectrum Utilization in Dynamic Cognitive Radio Systems.  4656-4660.
    2012 A Vector Channel Approach to Waveform Optimization in Radar Systems
    2012 Adaptive Sensing for Increased Spectrum Utilization in Cognitive Radio Systems.  319-322.
    2012 Energy Detector with Adaptive Sensing Window for Improved Spectrum Utilization in Dynamic Cognitive Radio Systems.  1528-1532.
    2012 Enhancing Spectrum Hole Utilization Through Adaptive Sensing in Cognitive Radio Systems.  3874-3878.
    2012 On the Probability of Symbol Error for Two-Dimensional Signal Constellations with Non-Uniform Decision Regions
    2012 Using Hidden Markov Models to Enable Performance Awareness and for Energy Detection in Cognitive Radio Systems
    2011 Joint Cyclostationarity-Based Detection and Classification of Mobile WiMAX and LTE OFDM Signals
    2011 Joint Transmitter Adaptation and Power Control for Downlink Wireless Systems with Target SIR Requirements
    2011 Predictive Vector Quantization for Transmitter Adaptaion with Limited Feedback.  3408-3411.
    2011 Spectral Shaping for Adjacent Band Interference Suppression in Cognitive Radio Systems
    2011 Video Object Trajectory Perturbation Based Data Hiding Satisfying Statistical and Perceptual Invisibility
    2010 Adaptive Spectrum Sensing with Noise Variance Estimation for Dynamic Cognitive Radio Systems
    2010 Cyclostationarity-Based Detection of LTE OFDM Signals for Cognitive Radio Systems
    2010 Dynamic Threshold Adaptation for Spectrum Sensing in Cognitive Radio Systems.  468-471.
    2010 Joint Beamforming and Power Control in Downlink Multiuser MIMO Systems.  444-447.
    2010 Joint Signal Detection and Classification of Mobile WiMAX and LTE OFDM Signals for Cognitive Radio
    2010 Joint Transmitter Adaptation and Power Control in Multi-User Wireless Systems with Target SINR Constraints
    2010 On the Uplink-Downlink Duality for Gaussian Vector Channels with Colored Noise and Applications to CDMA Transmitter Adaptation.  96-99.
    2010 Spectrum Allocation and Power Control in OFDM-Based Cognitive Radios with Target SINR Constraints
    2010 WiMAX Signal Detection Algorithm Based on Preamble-Induced Second-Order Cyclostationarity
    2009 A Simulation Study of Convergence Speed for Distributed Codeword Adaptation Algorithms in CDMA Wireless Systems.  425-428.
    2009 Downlink Transmitter Adaptation Based On Greedy SINR Maximization.  94-98.
    2009 Dynamic Adaptation of Joint Transmission Power and Contention Window in VANET
    2009 Dynamic Spectral Shaping in Cognitive Radios with Quality of Service Constraints..  539-543.
    2009 Joint Precoder and Power Adaptation for Cognitive Radios in Interference Systems.  425-430.
    2009 Requirements for the Physical Layer of the NOTICE System for Vehicular Communications.  3-7.
    2008 Challenges and Perspectives in the Implementation of NOTICE Architecture for Vehicular Communications.  707-711.
    2008 Gradient Descent Interference Avoidance with Target SIR Matching.  200-204.
    2008 Interference Suppressing OFDM Versus Time-Hopping PAM in Multi-User UWB Systems.  875-878.
    2008 Joint Codeword and Power Adaptation for CDMA Systems with Multipath and QoS Requirements.  4050-4054.
    2008 Multi-Band OFDM-Based UWB System with Multiple Users and Interference Mitigation.  77-80.
    2008 Multiuser Diversity and Adaptive Bit Loading for OFDM-Based Spectrum Agile Radios.  121-124.
    2008 Performance Enhancement of EDCA Access Mechanism of IEEE 802.11e Wireless LAN.  507-510.
    2008 Using Separable Game Theory to Develop Adaptive Algorithms for Joint Codeword Optimization and Power Control in CDMA Systems.  5360-5363.
    2007 A Game-Theoretic Approach for Medium Access of Open Spectrum in Cognitive Radios.  336-341.
    2007 Adaptive Interference Avoidance for Dynamic Wireless Systems.  150-154.
    2007 Feedback Requirements for Greedy Interference Avoidance.  381-384.
    2007 Gradient Descent Interference Avoidance for Uplink CDMA Systems with Multipath.  1060-1064.
    2007 Interference Avoidance With Limited Feedback.  1046-1049.
    2007 Minimum User Powers and Optimal Codewords in Uplink CDMA Systems.  202-206.
    2007 Performance Analysis of Multiband TH-PAM and Multiband-OFDM Ultra Wideband Communications Systems.  503-506.
    2006 A Simulation Study of Interference Suppressing OFDM for UWB Systems with Multiple Users.  359-362.
    2006 Game Theoretic Approach to Joint CDMA Codeword and Power Adaptation.  1362-1366.
    2006 Interference Avoidance With Incremental Power Updates for Uplink CDMA Systems.  1842-1847.
    2006 Interference Avoidance for Downlink CDMA.  1563-1566.
    2006 Interference Mitigation and Channel Equalization for ARTM Tier-1Waveforms Using Kalman Filter
    2006 Joint Incremental Codeword and Power Adaptation in CDMA Systems
    2006 Joint Rate and Power Control Using Game Theory.  1258-1262.
    2006 Kalman Filter For Interference Mitigation and Channel Equalization in Aeronautical Telemetry
    2006 MMSE Detector for OFDM-Based UWB Systems.  1811-1814.
    2006 Narrowband Interference Suppression in Multi-Band UWB Communication Systems.  141-144.
    2006 Power Control for Ad-Hoc Wireless Networks Using Sliding-Mode Control Theory.  335-338.
    2006 Using Sliding Mode Control Theory for Radio Resource Management inWireless Systems.  23-28.
    2005 A Simulation Comparison of Distributed Power Control Algorithms for Wireless Communications.  263-266.
    2005 Greedy Interference Avoidance in Noncollaborative Multi-BaseWireless Systems
    2005 Joint Rate and Power Control with Pricing.  3466-3470.
    2005 Narrowband Interference Avoidance in Ultra Wideband Communication Systems.  3779-3783.
    2005 OFDM Versus Time-Hopping in Multiuser Ultra Wideband Communication Systems.  1406-1410.
    2005 Power Control and Utility Optimization in Wireless Communication Systems.  314-318.
    2004 Interference Avoidance Versus Iterative Water Filling in Multiaccess Vector Channels.  2058-2062.
    2004 Multiuser OFDM-Based System for UWB Radios
    2004 Signal Space Partitioning Versus Simultaneous Water Filling for Mutually Interfering Systems.  3128-3132.
    2004 Strong Interference and Spectrum Warfare.  83-88.
    2003 Interference Avoidance and Power Control for UplinkCDMA Systems.  1473-1477.
    2003 Multiuser MIMO Systems and Interference Avoidance.  IV.
    2002 Codeword Optimization for Asynchronous CDMA Systems Through Interference Avoidance
    2002 Interference Avoidance and Multiaccess Vector Channels.  499.
    2001 A New Approach to Multiple Antenna Systems.  868-871.
    2001 Fading Channels and Interference Avoidance.  1073-1074.
    2001 Interference Avoidance Applied to Multiaccess Dispersive Channels.  1200-1204.
    2000 Codeword Quantization for Interference Avoidance.  3670-3673.
    2000 The Effect of Balancing on Singularly Perturbed Linear Systems.  FP8.
    1999 Emitter Localization in a Multipath Environment Using Extended Kalman Filter.  147-150.
    1998 Cheap Control of Sampled Data Systems: A Singular Perturbation Approach.  298-303.
    1998 Kalman Filtering of Colored Noise for Speech Enhancement.  997-1000.
    1998 Reduced Order Decomposition of Steady State Biased Kalman Filters.  17-20.
    1997 Linear Quadratic Aircraft Control Design.  1-9.
    1995 Hardware Implementation for Neural Networks.  206-210.
    1995 The Use of Neural Networks in Process Control.  37-40.
    1993 A Global Economical Model Based on Catastrophic Event Theory.  227-232.
    1993 An Economical Model Based on Descriptor Systems.  53-57.
    1993 An Optimal Approach to the Economical Strategy of a Global System.  47-52.
    1993 The Use of Descriptor Systems in Economical Modeling.  223-226.
    1992 Multicriterial Methods in the Design of Control Systems.  159-164.
    Designing the communication Sub-System for Nanosatellite CubeSat Missions: Operational and Implementation Perspectives

    Research Overview

  • Research Interests: Wireless communications: distributed optimization in wireless systems; spectrum sensing and modulation classification, multiple antenna and MIMO systems, interference avoidance/suppression and power control, OFDM and multicarrier systems, ultra wideband systems, vehicular networks.Control theory: optimal control and filtering for deterministic and stochastic systems, Kalman filtering.Digital signal processing: adaptive algorithms, Wiener filering, speech processing.
  • Grants

  • Virginia Cubesat Constellation  awarded by NASA 2016 - 2018
  • Upgrade and Maintenance for Old Dominion University Satellite Ground Station  awarded by Virginia Space Grant Consortium 2015 - 2016
  • A Study of Interference Alignment in Practical Scenarios  awarded by German Academic Exchange Service 2013
  • Sensors for engineering research and teaching at Old Dominion University  awarded by Measurement Specialties, Inc. 2013
  • Dean's faculty development grant  awarded by Batten College of Engineering and Technology 2012
  • Development of a Laboratory for Small Satellite Technologies at Old Dominion University  awarded by Virginia Space Grant Consortium 2011 - 2012
  • TRENDS: A Cyber-Physical System for Traffic Related Event Detection and Dissemination  awarded by Old Dominion University office of Research 2011
  • Dean's faculty development grant  awarded by Batten College of Engineering and Technology 2010 - 2011
  • Equipment grant: wireless measurement and monitoring devices for senior design projects  awarded by Rosemount/Emerson Process Management 2010
  • Investigating Performance of Feedback-Based Transmitter Adaptation Schemes in Dynamic Wireless Networks  awarded by Old Dominion University office of Research 2010
  • Dean's faculty development grant  awarded by Batten College of Engineering and Technology 2009
  • Adaptive Algorithms for Transmitter/Receiver Optimization in Dynamic Wireless Systems  awarded by Old Dominion University office of Research 2008
  • Advanced Research Program grant 010115- 0013-2006: Multilayer Design of Wireless Ad-Hoc Networks  awarded by Texas Higher Education Coordinating Board 2006 - 2008
  • Advanced Technology Program grant 000512- 0261-2003: Design of High-Performance Architectures for Efficient Reception of Ultra Wideband Signals  awarded by Texas Higher Education Coordinating Board 2004 - 2006
  • ITR: Computationally Efficient Methods for Power Control in Wireless Systems  awarded by National Science Foundation grant CCR-0312323 2003 - 2006
  • Expertise Keywords

  • Computer Engineering : Embedded Systems, Wireless Networking
  • Education And Training

  • Ph.D. in Electrical and Computer Engineering, Rutgers University 2002
  • M.S. in Electrical and Computer Engineering, Polytechnic Institute of Bucharest 1991
  • Full Name

  • Dimitrie Popescu