PhD Advisor:
Dr.
Ehab Al-Shaer
PhD Committee Members: Dr. Gregory B. Brewster, Dr.
Steve Lytinen, Dr. Iyad Kanj, Dr. Anthony Chung
Status
in the program
Publications
Academic
presentations
Conferences
attended
Colloquia
attended
Thesis topic
Research
interests
Research
plan
Collaborations
in CTI
Collaborations outside CTI
Courses
taken
PhD Degree received: Fall 2008.
Thesis: Proactive Rate and Error Control for Packet Multimedia Transmissions based on Loss Prediction.
Lopamudra Roychoudhuri and Ehab Al-Shaer, "Proactive IPTV Quality-of-Experience Optimization using Loss Prediction and Stochastic Control" Submitted at Infocom 2009.
Lopamudra Roychoudhuri and Ehab Al-Shaer, "Autonomic QoS Optimization of Real-time Internet Audio using Loss Prediction and Stochastic Control", IFIP/IEEE Network Operations and Management (NOMS), Salvador, Brazil, April 2008.
Lopamudra Roychoudhuri, Ehab Al-Shaer "End-to-end Probabilistic Packet Loss Prediction over Multi-bottleneck Network Paths", Technical Report, October 2006
Lopamudra Roychoudhuri, Ehab Al-Shaer and Raffaella Settimi, "Statistical Measurement Approach for On-line Audio Quality Assessment", PAM (Passive and Active Measurement) Conference 2006, March 30-31, 2006.
Lopamudra Roychoudhuri and Ehab Al-Shaer, "Real-time Audio Quality Evaluation for Adaptive Multimedia Protocols", IEEE MMNS (Management of Multimedia Networks and Services) 2005, October 24-26, 2005.
Lopamudra Roychoudhuri and Ehab Al-Shaer, "Real-Time Packet Loss Prediction based on End-to-end Delay Variation", Transactions on Network and Service Management (eTNSM), Volume 2, Number 1, November 2005.
Lopamudra Roychoudhuri, Ehab Al-Shaer and Gregory B. Brewster, "On the Impact of Loss and Delay Variation on Internet Packet Audio Transmission", Journal of Computer Communication (JComCom), Volume 28, 2005.
Lopamudra Roychoudhuri and Ehab Al-Shaer, "Real Time Analysis of Delay Variation for Packet Loss Prediction", MMNS 2004, October 3-6, 2004. (Won Outstanding Student Paper Award).
Lopamudra Roychoudhuri, Ehab Al-Shaer, "On Packet Loss Prediction for Real-time Packet Audio", DePaul CTI PhD Symposium, November 8, 2003. Slides
Lopamudra
Roychoudhuri, Ehab Al-Shaer, Hazem Hamed, Gregory B. Brewster, "On
Studying the Impact of the Internet Delays on Audio Transmission
Lopamudra
Roychoudhuri, Ehab Al-Shaer, Hazem Hamed, Gregory B. Brewster, "Audio
Transmission over the Internet: Experiments and Observations", Technical
Report, April 2002.
Network Operations and Management Symposium, April 8, 2008, Salvador, Brazil, "Autonomic QoS Optimization of Real-time Internet Audio using Loss Prediction and Stochastic Control".
Passive and Active Measurement Conference Mar 31 2006, Adelaide, Australia, "Statistical Measurement Approach for On-line Audio Quality Assessment".
IEEE Infocom, Mar 15, 2005, Miami, FL, USA, Poster Session, "On Loss Prediction for Real-time Packet Audio".
IEEE Globecom 2004, Nov 30, 2004, Dallas, TX, USA, Technical Session, "Adaptive Rate Control for Real-time Packet Audio Based on Loss Prediction".
IEEE MMNS 2004, Oct 6, 2004, San Diego, CA, USA, Technical Session, "Real Time Analysis of Delay Variation for Packet Loss Prediction".
CTI Networks Research Seminar, Spring, 2004, D. Rubenstein, J. Kurose and D. Towsley "Detecting Shared Congestion of Flows Via End-to-End Measurement", IEEE/ACM Transactions of Networking, 2002.
Fifth DePaul CTI Research Symposium, DePaul CTI, Chicago, Nov 2003, "On Packet Loss Prediction for Real-time Packet Audio".
CTI Networks Research Seminar, Spring, 2003, R. Cole and J. Rosenbluth, "Voice over IP Performance Monitoring", Sigcomm 2001.
CTI Networks Research Seminar, Winter, 2003, C. Dovrolis, P. Ramanathan and D. Moore, "Packet Dispersion Techniques and Capacity Estimation", Infocom 2001.
CSC591-Topics in Algorithms, Winter 2003, "Maximizing Audio Quality - A Linear Programming Problem".
CTI Networks Research Seminar, Fall, 2001, Sally Floyd, Mark Handley, Jitendra Padhye, Jorg Widmer, "Equation-Based Congestion Control for Unicast Application", Sigcomm 2000.
CTI Networks Research Seminar, Fall, 2001, Jean-Chrysostome Bolot, Andres Vega-Garcia, "Control Mechanisms for Packet Audio in the Internet", Infocomm 1996.
Second DePaul CTI Research Symposium, DePaul CTI, Chicago, Nov 2000, Poster Session, "Quality Measurement and Analysis of Audio Transmission in the Internet".
CTI Networks Research Seminar, Fall, 2000, Vern Paxson, "End-to-End Internet Packet Dynamics",IEEE/ACM Transactions on Networking, 1999.
CTI Networks Research Seminar, Spring 2000, George Carle, Ernst W. Biersack, "Survey of Error Recovery Techniques of Audio-visual Multicast Applications", IEEE Network, November/December 1997.
IFIP/IEEE International Conference on Management of Multimedia Networks and Services 2004
Fifth DePaul CTI Research Symposium, DePaul CTI, Chicago, Nov 2004.
VON (Voice on the Net), Atlanta, October, 2002.
Third DePaul CTI Research Symposium, DePaul CTI, Chicago, Nov 2001.
IFIP/IEEE International Conference on Management of Multimedia Networks and Services 2001
Second DePaul CTI Research Symposium, DePaul CTI, Chicago, Nov 2000.
First DePaul CTI Research Symposium, DePaul CTI, Chicago, Nov 1999.
Thesis
Proposal:
"An Adaptive End-to-End Quality Control
for Real-time Packet Audio".
Research interests:
Multimedia Communication in the Internet.
11/2008: Degree Received.
6/2008: Thesis Defense completed successfully.
11/2003: Defended Phd. proposal.
8/2001: Passed breadth exam in Computer Graphics.
8/2000: Passed depth exam in Telecommunications.
7/1998: Passed breadth exam in Database Management.
1/1998 - 6/2000: Completed Course-work.
Winter 2003: CSC591 Topics in Algorithms.
Spring 2000: TDC 597 Multimedia Networking, TDC 432 Computer and Information Systems Modeling.
Winter 2000: TDC 561 Network Programming.
Fall 1999: TDC 463 computer Networks and Data Systems.
Summer 1999: TDC 562 Communication Network Design and Analysis.
Spring 1999: CSC539 Computer Graphics 2.
Winter 1999: CSC469 Computer Graphics 1.
Fall 1998: Foundations of Computer Graphics.
Spring 1998: Distributed Database management, Expert Systems.
Winter 1998: Database Design,
Object-oriented database management.
TDC561 Network Programming (Fall 2009, Graduate)
COMP353 Database Programming (Summer 2008, Graduate & Undergraduate, Loyola University)
HCI201 Multimedia and the World Wide Web (Spring 2008)
TDC365 Network Interconnection Technologies (Spring 2008)
ISP121 Mathematical and Technological Literacy II (Winter 2008, Fall 2008)
TDC375 Network Protocols (Fall 2008).
IT240 Introduction to Desktop Databases (Fall 2008, US online).
IT263 Applied Networks and Security (Summer 2007, Spring 2008, Summer 2008, Fall 2009, Winter 2009).
TDC463 Computer Networks and Data Systems (Spring 2007, Graduate, US and Jordan online, Winter 2009).
COMP363 Design and Analysis of Algorithms (Spring 2007, Loyola University).
IT130 The Internet and The Web (Fall 2007, Winter 2007).
TDC368 Network Programming (Spring 2005, Winter 2006, Winter 2007, Spring 2007, Winter 2008).
CSC373 Computer Systems I (Fall 2004).
CSC415 Foundations of Computer Science (Winter 2004).
CSC319 Database Technology (Fall 2003).
CSC309 Object-oriented Programming in C++ (Spring 2002, Fall 2002, Summer 2003, US online).