Dipankar Raychaudhuri

Distinguished Professor


Phone:(848) 932-0941
Office:WINLAB WTC 103
Website: http://www.winlab.rutgers.edu/docs/faculty/RayBio

Additional project/PI experience

  • PI for several future Internet projects under the NSF FIA, GENI and FIND programs (2005-present). Currently leading the $7.6M NSF FIA "MobilityFirst" multi-institutional team project aimed at development of a comprehensive future Internet architecture.
  • Principal investigator for $9M ORBIT wireless network testbed projects (2003-present), leading to successful design, integration and community release of the large-scale 400-node ORBIT radio grid testbed at Rutgers University
  • Managed system architecture and software development teams for early MIMO broadband wireless product (2001-02) aimed at residential fixed wireless access market
  • Established one of the world's first research projects on broadband wireless networks (1993-99) , and led development of NEC’s WATMnet system from lab prototype to commercial trials stage
  • Architecture lead for ATRC team (Sarnoff, Philips, Thomson, NBC) which developed the AD-HDTV system prototype, one of several candidate HDTV systems tested by FCC (1990-92)


  • B.Tech(Hons) Electronics and Electrical Communications, School of Engineering, IIT Kharagpur, India, 1976
  • M.S. in Electrical Engineering, SUNY, Stony Brook, NY, 1978
  • Ph.D. in Electrical Engineering, SUNY, Stony Brook, NY, 1979


Recognitions and Professional Experience

  • Visiting Professor, EE Dept/Clean Slate Program, Stanford University (2008-09)
  • Chief Scientist, Iospan Wireless, San Jose, CA (2000-2001)
  • Asst. GM & Dept Head (Systems Architecture), NEC USA C&C Research (1993-99)
  • Head, Broadband Communications Research, Sarnoff Corp, Princeton, NJ (1990-92)
  • Senior Member of Technical Staff, Sarnoff Corp, Princeton, NJ (1988-90)
  • Member of Technical Staff, RCA Laboratories, Princeton, NJ (1979-87)
  • Schwarzkopf Prize for Technological Innovation (2008)
  • Fellow of IEEE (1995)
  • ISI “most frequently cited author” in the field of communications during 1985-2005
  • Sarnoff Team Award for Development of the AD-HDTV System (1990)
  • RCA Outstanding Technical Achievement Awards (1982, 83 and 85)

Research Interests

Future network architectures and protocols, wireless systems and technology, dynamic spectrum access and cognitive radio, experimental prototyping and network research testbeds.

Selected Publications

Representative recent papers/talks

  • "Emerging Wireless Technologies and the Future Mobile Internet"
  • Dipankar Raychaudhuri & Mario Gerla (eds.) Cambridge University Press, 2011
  • ISBN-13: 9780521116466
  • D. Raychaudhuri, X. Jing, I. Seskar, K. Le, J. Evans, “Cognitive Radio Technology: From Distributed Spectrum Coordination to Adaptive Network Collaboration”, Journal of Pervasive and Mobile Computing, 2008.
  • S. Paul, D. Raychaudhuri, R. Yates and J. Kurose, “The Cache-and-Forward Architecture for Efficient Mobile Content Delivery Services in the Future Internet”, in Proc. ITU Next Generation Networks (NGN), Geneva, May 2008.
  • Suli Zhao and D. Raychaudhuri, “Scalability and Performance Evaluation of Hierarchical Hybrid Wireless Networks”, IEEE Trans. on Networking, Oct 2009.
  • Lin Luo, D. Raychaudhuri , M. Wu, D. Li and H. Liu, “End-to-End Performance Aware Association Mechanism for Wireless Municipal Mesh Networks”, to appear in Computer Communications, 2008.
  • Z. Wu, S. Ganu and D. Raychaudhuri, "IRMA: Integrated routing and MAC scheduling in multihop wireless mesh networks", in Proc. 2nd IEEE Workshop on Wireless Mesh Networks, (WiMesh) 2006, Reston VA, Sept 2006.
  • D. Raychaudhuri, I. Seskar, M. Ott, S. Ganu, K. Ramachandran, H. Kremo, R. Siracusa, H. Liu and M. Singh, "Overview of the ORBIT Radio Grid Testbed for Evaluation of Next-Generation Wireless Network Protocols," Proceedings of IEEE Wireless Communications and Networking Conference (WCNC'05), March 2005.
  • D. Raychaudhuri, “Adaptive Wireless Networks Using Cognitive Radios as a Building Block,” ACM MobiCom Keynote Speech, Philadelphia, PA, September 2004.

Most frequently cited papers

  • D. Raychaudhuri, et al, "WATMnet: A Prototype Wireless ATM System for Multimedia Personal Communication", IEEE Journal of Selected Areas in Communications, January 1997, pp. 83-95.
  • D. Raychaudhuri and N. Wilson, “ATM Based Transport Architecture for Multiservices Wireless Personal Communication Network”, IEEE Journal of Selected Areas in Communications, October 1994, pp. 1401-1414. [ISI “Most Cited Paper” with over 2200 citations]
  • K. Joseph, S. Ng, D. Raychaudhuri, R. Saint Girons, T. Savatier, R. Siracusa and J. Zdepski, “MPEG++: A Robust Compression and Transport System for Digital HDTV”, Image Communications, (1992), pp. 307-323.
  • D. Raychaudhuri, "Design of Ku-band Satellite Data Networks Using Very Small Aperture Terminals - Part I: Multiaccess Protocols," International Journal of Satellite Communications, July-Sept, 1987, pp.195-212.
  • D. Raychaudhuri, "Stability, Throughput and Delay of Asynchronous SREJ ALOHA," IEEE Trans. on Communications, July 1987, pp. 767-772.
  • D. Raychaudhuri, "Announced Retransmission Random Access Protocols," IEEE Trans. on Communications, Nov. 1985, pp. 1183-1190.
  • D. Raychaudhuri, "Performance Analysis of Random-Access Packet-Switched Code Division Multiple Access Systems," IEEE Transactions on Communications, June 1981, pp. 895–901