Vinod M. Prabhakaran School of Technology and Computer Science Tata Institute of Fundamental Research Homi Bhabha Road Mumbai, India 400005 Phone: +91 22 2278 2081 <myfirstname>mp at tifr dot res dot in

Selected Publications

In journals

• ``Secrecy via Sources and Channels,'' V. Prabhakaran, K. Eswaran, and K. Ramchandran.
  IEEE Transactions on Information Theory, In press. (arXiv)
• ``Hybrid Digital-Analog Codes for Source-Channel Broadcast of Gaussian Sources over Gaussian Channels,'' V. Prabhakaran, R. Puri, and K. Ramchandran.
  IEEE Transactions on Information Theory, vol. 57, no. 7, pp. 4573-4588, July, 2011. (IEEEXplore)
• ``Interference Channel with Source Cooperation,'' V. Prabhakaran and P. Viswanath.
  IEEE Transactions on Information Theory, vol. 57, no. 1, pp. 156-186, January 2011. (IEEEXplore)
• ``Interference Channel with Destination Cooperation,'' V. Prabhakaran and P. Viswanath.
  IEEE Transactions on Information Theory, vol. 57, no. 1, pp. 187-209, January 2011. (IEEEXplore)
• ``The Two User Gaussian Compound Interference Channels,'' A. Raja, V. Prabhakaran, and P. Viswanath.
  IEEE Transactions on Information Theory, vol. 55, no. 11, pp. 5100-5120, November 2009. (IEEEXplore)
• ``Colored Gaussian source-channel broadcast for heterogeneous (analog/digital) receivers,'' V. Prabhakaran, R. Puri, and K. Ramchandran.
  IEEE Transactions on Information Theory, vol. 54, no. 4, pp. 1807-1814, April, 2008. (IEEEXplore)
• ``Decentralized Erasure Codes for Distributed Networked Storage,'' A. Dimakis, V. Prabhakaran, and K. Ramchandran.
  Special Issue of IEEE Transactions on Information Theory: Networking and Information Theory, July, 2006. (IEEEXplore)
  The conference version received the best paper award at the IEEE/ACM Symposium on Information Processing in Sensor Networks (IPSN), 2005.
• ``On Compressing Encrypted Data,'' M. Johnson, P. Ishwar, V. Prabhakaran, D. Schonberg, and K. Ramchandran.
  IEEE Transactions on Signal Processing: Networking and Information Theory, October, 2004. (IEEEXplore)

At conferences (excluding papers superseded by journal papers)

• ``On Secure Multiparty Sampling For More than Two Parties,'' M. Prabhakaran and V. Prabhakaran.
  IEEE Information Theory Workshop (ITW), 2012.
• ``On Multicasting Nested Message Sets Over Combination Networks,'' S. Saeedi, V. Prabhakaran, and S. Diggavi,
  ITW, 2012.
• ``Bounds for Secure Two-Party Sampling from a Generalization of Common Information ,'' V. Prabhakaran and M. Prabhakaran.
  International Conference on Information Theoretic Security (ICITS), 2012. (extended arXiv draft)
• ``Broadcasting Private Messages Securely,'' L. Czap, V. Prabhakaran, C. Fragouli, and S. Diggavi.
  IEEE International Symposium on Information Theory (ISIT), 2012.
• ``Is Non-unique Decoding Necessary?,'' S. Saeedi, V. Prabhakaran, and S. Diggavi.
  ISIT, 2012.
• ``Untrusting Network Coding,'' Y. Büyükalp, G. Maatouk, V. Prabhakaran, and C. Fragouli.
  International Symposium on Network Coding (NETCOD), 2012.
• ``On interactive message secrecy over erasure networks,'' L. Czap, V. Prabhakaran, C. Fragouli, and S. Diggavi.
  International Symposium on Communications, Control, and Signal Processing (ISCCSP), 2012.
• ``Secret Message Capacity of Erasure Broadcast Channels with Feedback,'' L. Czap, V. Prabhakaran, C. Fragouli, and S. Diggavi.
  ITW, 2011. (IEEEXplore)
• ``Assisted Common Information: Further Results,'' V. Prabhakaran and M. Prabhakaran.
  ISIT, 2011. (arXiv)
• ``Assisted Common Information with Applications to Secure Two-Party Computation,'' V. Prabhakaran and M. Prabhakaran.
  ISIT, 2010. (arXiv)
• ``Interference Channels with Half-duplex Cooperation,'' W. Rui, V. Prabhakaran, and P. Viswanath.
  ISIT, 2010. (IEEEXplore)
• ``Secure Distributive Storage of Decentralized Data: Can Interaction Help?,'' S. El Rouayheb, V. Prabhakaran, and K. Ramchandran.
  ISIT, 2010. (IEEEXplore)
• ``On Degraded Two Message Set Broadcasting,'' S. S. Bidokthi, S. Diggavi, C. Fragouli, and V. Prabhakaran.
  ITW , October 2009. (IEEEXplore)
  
• ``Communication by Sleeping: Optimizing a Relay Channel Under Wake and Transmit Power Costs,'' V. Prabhakaran and P.R. Kumar.
  ISIT, 2009. (IEEEXplore)
• ``Opportunistic Interference Management,'' N. Khude, V. Prabhakaran, and P. Viswanath.
  ISIT, July 2009. (IEEEXplore)
• ``Reversibility in Linear Deterministic Networks under Linear Coding,'' A. Raja, V. Prabhakaran and P. Viswanath.
  ITW, June, 2009. (arXiv)
• ``Harnessing Bursty Interference,'' N. Khude, V. Prabhakaran, and P. Viswanath.
  ITW, June 2009. (IEEEXplore)
• ``The Secrecy Capacity of a Class of Non-degraded Parallel Gaussian Compound Wiretap Channels,'' T. Liu, V. Prabhakaran, and S. Vishwanath.
  ISIT, 2008. (IEEEXplore).
• ``MIMO Broadcasting with Common Information: A Deterministic Approach,'' V. Prabhakaran, S. Diggavi, and D. Tse.
  Allerton Conference, 2007.
• ``A Separation Result for Secure Communication,'' V. Prabhakaran and K. Ramchandran.
  Allerton Conference, 2007.
• ``On Secure Distributed Source Coding,'' V. Prabhakaran and K. Ramchandran.
  ITW, Lake Tahoe, 2007. (IEEEXplore).
• `` Channel Coding with Strictly Causal Colored Side-Information at Transmitter,'' V. Prabhakaran, D. Tse, and K. Ramchandran.
  ISIT, 2007. (IEEEXplore).
• ``On the Role of Helpers in Peer-to-Peer File Download Systems: Design, Analysis and Simulation,'' J. Wang, C. Yeo, V. Prabhakaran, and K. Ramchandran.
  International Workshop on Peer-to-Peer Systems (IPTPS), 2007. (Microsoft Research).
• ``Syndrome-based Robust Video Transmission over Networks with Bursty Losses,'' J. Wang, V. Prabhakaran, and K. Ramchandran.
  IEEE International Conference on Image Processing (ICIP), 2006. (IEEEXplore)
• ``On Source Coding with Side-Information Under Ambiguous State of Nature,'' P. Ishwar, V. Prabhakaran, and K. Ramchandran.
  ISIT, 2006. (IEEEXplore)
• ``Distributed Fountain Codes for Networked Storage,'' A. Dimakis, V. Prabhakaran, and K. Ramchandran.
  IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), May 2006. (IEEEXplore)
• ``On the Role of Interaction Between Sensors in the CEO Problem,''V. Prabhakaran, K. Ramchandran, and D. Tse.
  Allerton Conference, 2004.
• ``Rate region of the Quadratic Gaussian CEO Problem,'' V. Prabhakaran, D. Tse, and K. Ramchandran.
  ISIT, 2004. (Extended draft | IEEEXplore abstract)
• ``Towards a Theory for Video Coding using Distributed Compression Principles,'' P. Ishwar, V. Prabhakaran, and K. Ramchandran.
  ICIP, 2003. (IEEEXplore)
• ``On Joint Classification and Compression in a Distributed Source Coding Framework,'' P. Ishwar, V. Prabhakaran, and K. Ramchandran.
  IEEE Workshop on Statistical Signal Processing, 2003. (IEEEXplore)

Ph.D. Thesis

• ``Two Multi-Terminal Communication Problems: Distributed Estimations and Source-Channel Broadcast,'' UC Berkeley, 2007. (EECS, Berkeley)