Selected Publications
 

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Upcoming Papers

• Anand Kashyap, Samrat Ganguly, Samir R. Das, Suman Banerjee, "VoIP on Wireless Meshes: Models, Algorithms and Evaluation," IEEE Infocom 2007 Conference, Anchorage, Alaska, May 2007.
• Ritesh Maheshwari, Jie Gao and Samir R. Das, "Detecting Wormhole Attacks in Wireless Networks using Connectivity Information,'' IEEE Infocom 2007 Conference, Anchorage, Alaska, May 2007.

RFID Networks

• Shweta Jain, Samir R Das, "Collision Avoidance in  a Dense RFID Network" Proc. 1st ACM International Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization (WiNTECH 2006), Los Angeles, CA, Sept 2006.  In conjunction with ACM MobiCom 2006.
• Nitin Vaidya and Samir R. Das, "RFID-Based Networks -- Exploiting Diversity and Redundancy," WINGS Lab Technical Report, June 2006.  

Data Caching in Ad Hoc/Sensor Networks

• Bin Tang, Samir R. Das, Himanshu Gupta. Benefit-based Data Caching in Ad-Hoc Networks. Proc. IEEE International Conference on Network Protocols (ICNP), Santa Barbara, CA,  November 2006.
• Bin Tang, Samir R. Das and Himanshu Gupta, "Cache Placement in Sensor Networks Under Update Cost Constraints,"  Proc. ADHOCNOW 2005, Cancun, Mexico, Oct 2005. 

Wireless Mesh Networks

• Anand Prabhu Subramaniam and Samir R. Das, Addressing Deafness and Hidden Terminal Problem in Directional Antenna based Wireless Multi-Hop Networks, Comsware 2007, Bangalore, India, Jan 2007. 
• S. Ganguly, V. Navda, K. Kim, A. Kashyap, D. Niculescu, R. Izmailov, S. Hong and S. R. Das, Performance Optimizations for Deploying VoIP Services in Mesh Networks, IEEE Journal on Selected Areas in Communications (JSAC),  Vol 24, No. 11,  Nov 2006, pages 2137-2158. (Special Issue on Multi-hop Wireless Mesh Networks.)
• Ritesh Maheshwari, Himanshu Gupta, Samir R. Das, "Multichannel MAC Protocols for Wireless Networks," Proc. SECON 2006, Reston, Virginia, Sept 2006. 
• Anand Prabhu Subramaniam, Himanshu Gupta, Samir R. Das, Minimum-Interference Channel Assignment in Multi-Radio Wireless Mesh Networks, WINGS Lab Technical Report, March 2006. 
• Umesh Kumar, Himanshu Gupta, Samir R. Das, "A Topology Control Approach to Using Directional Antennas in Wireless Mesh Networks," Proc. ICC 2006, Istanbul, June 2006.
• Mahesh K. Marina and Samir R. Das, "A Topology Control Approach for Utilizing Multiple Channels in Multi-Radio Wireless Mesh Networks," Proc. Broadnets 2005 Symposium, Boston, MA, Oct 2005.  
• Vishnu Navda, Anand Kashyap and Samir R. Das, "Design and Evaluation of iMesh: an Infrastructure-mode Wireless Mesh Network",  Proc. of the 6th IEEE WoWMoM Symposium, Taormina, Italy, June 2005. A more detailed version of the paper is here. 

Cross-Layer Issues in Ad Hoc Networks

• Shweta Jain and Samir R. Das, "MAC Layer Multicast in Wireless Multihop Networks," Proc. Comsware 2006, New Delhi, India, Jan 2006. 
• Shweta Jain and Samir R. Das, "Exploiting Path Diversity in the Link Layer in Wireless Ad Hoc Networks," a shorter version of this work appeared in Proc. of the 6th IEEE WoWMoM Symposium, Taormina, Italy, June 2005.
• Carlos Cordeiro, Samir R. Das and Dharma P. Agrawal, COPAS: Dynamic Contention-Balancing to Enhance the Performance of TCP over Multi-hop Wireless Networks, Proceedings of the 10th Int. Conf. on Computer Communication and Networks (IC3N), Miami, October, 2002, pages 382-387.

 Sensor Networking

• Bin Tang, Samir R. Das and Himanshu Gupta, "Cache Placement in Sensor Networks Under Update Cost Constraints,"  Proc. ADHOCNOW 2005, Cancun, Mexico, Oct 2005. 
• Zongheng Zhou, Samir R. Das and Himanshu Gupta, "Fault Tolerant Connected Sensor Cover with Variable Sensing and Transmission Ranges," to appear in Proc. of the IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON), Santa Clara, CA, Sept 2005.
•  Himanshu Gupta, Vishnu Navda, Samir R. Das and Vishal Chowdhary, "Efficient Gathering of Correlated Data in Sensor Networks," to appear in Proc. of the Sixth Annual ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), Urbana, May 2005. 
• Himanshu Gupta, Zongheng Zhou, Samir R. Das and Quinyi Gu, "Connected Sensor Cover: Self-Organization of Sensor Networks for Efficient Query Execution," IEEE/ACM Transactions on Networking, Vol. 14, No. 1, January 2006. (This the extended version of the MobiHoc 2003 paper). 
•  Swapnil Patil, Samir R. Das and Asis Nasipuri, Serial Data Fusion Using Space-filling Curves in Wireless Sensor Networks, Proc. of the IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON), Santa Clara, CA, Oct 2004.
• Zongheng Zhou, Samir R. Das, Himanshu Gupta, Variable Radii Connected Sensor Cover in Sensor Networks, Proc. of the IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON), Santa Clara, CA, Oct 2004.
• Zongheng Zhou, Samir R. Das, Himanshu Gupta, Connected K-Coverage Problem in Sensor Networks, Proc. of the 13th Int. Conf. on Computer Communication and Networks (IC3N), Chicago, IL, Oct 2004. 
• Himanshu Gupta, Samir R. Das and Q. Gu, Connected Sensor Cover: Self-Organization of the Sensor Network for Efficient Query Execution, Proc. of the Fourth Annual ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), Annapolis, Maryland, June 2003, pages 189-200.
• Rahul Gupta and Samir R. Das, Tracking Moving Targets in a Smart Sensor Network, Proc. of the VTC Fall 2003 Symposium, Oct 2003. A longer version is here. 

Location-Based Protocols for Mobile Ad Hoc Networks

• Vijay Kumar and Samir R. Das, Performance of Dead Reckoning-Based Location Service for Mobile Ad Hoc Networks, Wireless Communications and Mobile Computing Journal, Vol 4, No 2, March 2004. 
• Aarti Agarwal and S. R. Das, Dead Reckoning for Mobile Ad Hoc Networks, Proc. of the 2003 IEEE Wireless Communications and Networking Conference (WCNC 2003), New Orleans, March 2003.

•  C. E. Perkins, E. M. Royer and S. R. Das, Ad Hoc On Demand Distance Vector Routing (AODV), Internet  RFC 3561. 

Routing for Mobile Ad Hoc Networks

• N. Gupta and S. R. Das, Energy Aware On-Demand Routing for Mobile Ad Hoc Networks, Springer Lecture Notes in Computer Science: LNCS 2571: Proceedings of the 4th International Workshop on Distributed Computing (IWDC 2002), Kolkata, India, December 2002, pages 164-173.
• A. Joshi and S. R. Das, Efficient Queuing Policies for Mobile Ad Hoc Networks, Proceedings of IEEE Networks 2002 (Joint Conference: IEEE ICWLHN 2002 and IEEE ICN 2002), Atlanta, August 2002.
• M. K. Marina and S. R. Das, Routing Performance in the Presence of Unidirectional Links in Multihop Wireless Networks,  in Proceedings of the Third ACM International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc), Lausanne, Switzerland, June 2002. 
• M. K. Marina and S. R. Das, On-demand Multipath Distance Vector Routing for Ad Hoc Networks , in Proceedings of the International Conference for Network Protocols (ICNP) , Riverside, Nov. 2001.
• R. Castenada, S. R. Das, and M. K. Marina, Query Localization Techniques for On-demand Routing Protocols for Mobile Ad Hoc Networks, ACM/Kluwer Wireless Networks (WINET) Journal, Vol. 8, No. 2, March 2002, pages 137-151. 
  • An earlier version of this work appeared as: R. Castaneda and S.R. Das, "Query Localization Techniques for On-demand Routing Protocols in Ad Hoc Networks, Proceedings of the 1999 ACM MobiCom Conference, Seatlle, August 1999.
• M. K. Marina and S. R. Das, "Performance of Route Caching Strategies in Dynamic Source Routing," in Proceedings of the 2nd Wireless Networking and Mobile Computing (WNMC), Phoenix, April 2001. In conjunction with the Int'l Conference on Distributed Computing Systems (ICDCS) 2001.
• A. Nasipuri, R. Castaneda and S. R. Das, "Performance of Multipath Routing for On-Demand Protocols in Ad Hoc Networks,"  ACM/Kluwer Mobile Networks and Applications (MONET) Journal, Vol. 6, No. 4, 2001, pages 339-349.
  • An earlier version of this paper appeared as  "On-demand Multipath Routing for Mobile Ad Hoc Networks" in Proceedings of the 8th Int. Conf. on Computer Communications and Networks (IC3N), Boston, October, 1999.
• S. R. Das, C. E. Perkins, E. M. Royer and M. K. Marina, "Performance Comparison of Two On-demand Routing Protocols for Ad Hoc Networks,"  IEEE Personal Communications Magazine, special issue on Mobile Ad Hoc Networks, Vol. 8, No. 1, Feb 2001, pages 16-29. 
  • An earlier version of this work appeared as: S. R. Das, C. E. Perkins and E. M. Royer, ``Performance Comparison of Two On-demand Routing Protocols for Ad Hoc Networks,''Proceedings of INFOCOM 2000 Conference, Tel-Aviv, Israel, March 2000.
• S. R. Das, R. Castaneda and J. Yan, ``Simulation Based Performance Evaluation of Mobile, Ad Hoc Network Routing Protocols,'' ACM/Baltzer Mobile Networks and Applications (MONET) Journal, July 2000, pages 179-189.
  • An earlier version of this paper appeared as "Comparative Performance Evaluation of Routing Protocols for Mobile, Ad hoc Networks," in Proceedings of 7th Int. Conf. on Computer Communications and Networks (IC3N), Lafayette, LA, October, 1998, pages 153-161.

Capacity of Ad Hoc Networks

• N. Gupta and S. R. Das, A Capacity and Utilization Study of Mobile Ad Hoc Networks, in Proceedings of the Wireless Local Networks (WLN) Workshop, Tampa, Nov. 2001. 

• Ritesh Maheshwari, Himanshu Gupta, Samir R. Das, "Multichannel MAC Protocols for Wireless Networks," Proc. SECON 2006, Reston, Virginia, Sept 2006. 
• N. Jain, S. R. Das and A. Nasipuri, " A Multichannel MAC Protocol with Receiver-Based Channel Selection for Multihop Wireless Networks," to appear in the Proceedings of the 9th Int. Conf. on Computer Communications and Networks (IC3N), Phoenix, Oct 2001.
• A. Nasipuri and S. R. Das, "Multichannel CSMA with Signal Power-Based Channel Selection for Multihop Wireless Networks," to appear in the Proceedings of the IEEE Vehicular Technology Conference (VTC), Boston, Sept 2000.
• A. Nasipuri, J. Zhuang and S. R. Das, "A Multichannel CSMA MAC Protocol for Multihop Wireless Networks," to appear in the Proceedings of the IEEE Wireless Communications and Networking Conference (WCNC), New Orleans, September, 1999.

• S. Desilva and S.R. Das, "Experimental Evaluation of a Wireless Ad Hoc Network," to appear in the Proceedings of the 9th Int. Conf. on Computer Communications and Networks (IC3N), Las Vegas, October 2000.
• S. Desilva and S.R. Das, ``Experimental Evaluation of Channel State Dependent Scheduling in an In-building Wireless LAN," Proceedings of the 7th Int. Conf. on Computer Communications and Networks (IC3N), Lafayette, LA, October, 1998, pages 414-421.

•  K. Jones and S. R. Das, Time-Parallel Algorithms for Simulation of Multiple Access Protocols, in Proceedings of the 9th. International Symposium on Modeling, Analysis and Simulation of Computer and Telecommunication Systems (MASCOTS 2001), Cincinnati, Ohio, August 2001.
• S. R. Das, ``Adaptive Protocols for Parallel Discrete Event Simulation,'' Journal of the Operational Research Society (JORS), Vol. 51, Issue 4, April 2000, pages 385--394. (An earlier version of this work appeared in 1996 Winter Simulation Conference).
• K. Jones and S. R. Das, ``Combining Optimism Limiting Schemes in Time Warp Based Parallel Simulation,'' 1998 Winter Simulation Conference, Washington, DC, December, 1998.
• S. R. Das and R. M. Fujimoto, ``Adaptive Memory Management and Optimism Control in Time Warp,'' ACM Transactions on Modeling and Computer Simulation, April 1997.
• S. R. Das and R. M. Fujimoto, ``An Empirical Evaluation of Performance-Memory Trade-offs in Time Warp,'' IEEE Transactions on Parallel and Distributed Systems, Vol. 8, No. 2, February 1997, pages 210--224.
• S. R. Das, ``Estimating the Cost of Throttled Execution in Time Warp,'' Proceedings of the 10th Workshop on Parallel and Distributed Simulation, Philadelphia, May 1996, pages 186--189.
• S. R. Das, R. M. Fujimoto, K. Panesar, D. Allison and M. Hybinette, ``GTW: A Time Warp System for Shared Memory Multiprocessors,'' Proceedings of the 1994 Winter Simulation Conference, Orlando, Florida, December 1994, pages 1332--1339.