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Publications

Delay-Tolerant Network

  1. James Koshimoto, Matt Bromage, Vladislav Petkov and Katia Obraczka, "SlugTransit: A Location-Based Public Transportation Management System", ACM Mobility Conference 2009, 2009.

  2. Matt Bromage, James Koshimoto, and Katia Obraczka, "TAROT: Trajectory-Assisted Routing for Intermittently Connected Networks", ACM MobiCom workshop on Challenged Networks, 2009. pdf

  3. S. Bromage and J. Koshimoto and C. Engstrom and M. Bromage and V. Petkov and B. Nunes and H. Taylor and K. Obraczka and S. Dabideen and M. Hu and R. Menchaca-Mendez and D. Nguyen and D. Sampath and JJ Garcia-Luna-Aceves and H. Sadjadpour and B. Smith, "SCORPION: A Heterogenous Wireless Networking Testbed", ACM SIGMOBILE Mobile Computing and Communications Review, 2009. pdf

  4. S. Bromage and J. Koshimoto and C. Engstrom and M. Bromage and V. Petkov and B. Nunes and H. Taylor and K. Obraczka and S. Dabideen and M. Hu and R. Menchaca-Mendez and D. Nguyen and D. Sampath and JJ Garcia-Luna-Aceves and H. Sadjadpour and B. Smith, "SCORPION: A Heterogenous Wireless Networking Testbed", Poster presented at IEEE Mobicom, 2008. pdf

  5. Rao Naveed Bin Rais, Thierry Turletti, Katia Obraczka, "Coping with episodic connectivity in heterogeneous networks", Proceedings of the 11th international symposium on Modeling, analysis and simulation of wireless and mobile systems, ACM, 2008. pdf

  6. K. Obraczka, J. Boice, L. Matinez-Gomez, J. P. Fancois, A. Levin-Pick, and A. Weitzenfeld "Networking Under Episodic Connectivity for Autonomous Multi-Robot CoordinationProceedings of the IEEE Robocomm 2007.

  7. J. Boice, J.J. Garcia-Luna Aceves, and K. Obraczka,"On-Demand Routing in Disrupted Environments, BEST PAPER AWARD, in Proceedings of the IFIP/TC6 Networking 2007.

  8. J. Boice, J.J. Garcia-Luna-Aceves and K. Obraczka, "Combining On-Demand and Opportunistic Routing for Intermittently-Connected Networks", to appear in the Ad Hoc Networks Journal, Elsevier 2007.

  9. Thrasyvoulos Spyropoulos, Thierry Turletti, and Katia Obraczka, "Routing in Delay Tolerant Networks Comprising Heterogeneous Populations of Nodes", to appear in IEEE Transactions on Mobile Computing 2007.

  10. T. Spyropoulos, T. Turletti, and K. Obraczka,"Utility-Based Message Replication for Intermittently Connected Heterogeneous Networks, in Proceedings of the 1st. IEEE WoWMoM Workshop on Autonomic and Opportunistic Communications (AOC) 2007.

Energy-Efficient Protocols for Sensor Networks

  1. Ignacio Solis, "Efficient Protocols for Power-Constrained Heterogeneous Wireless Ad-Hoc Networks". PhD Thesis, UCSC pdf

  2. Ignacio Solis and Katia Obraczka, "In-Network Aggregation Trade-offs for Data Collection in Wireless Sensor Networks", International Journal on Sensor Networks (IJSNet), Vol 1, No 2, 2006. pdf

  3. Ignacio Solis and Katia Obraczka, "Efficient Continuous Mapping in Sensor Networks using Isolines", Mobiquitous'05, July 2005. pdf

  4. Ignacio Solis and Katia Obraczka, "Isolines: Energy efficient mapping in Sensor Networks", IEEE ISCC'05, June 2005. pdf

  5. Ignacio Solis and Katia Obraczka, "The impact of timing in data aggregation for sensor networks" , IEEE ICC'04, June 2004. pdf

  6. Ignacio Solis and Katia Obraczka, "FLIP: A Flexible Interconnection Protocol for Heterogeneous Internetworking", ACM/Kluwer Mobile Networking and Applications (MONET) Special on Integration of Heterogeneous Wireless Technologies. pdf

  7. Ignacio Solis and Katia Obraczka, "The Case for a Flexible-Header Protocol (FLIP) in Power Constrained Networks", Proceedings of the WCNC 2003. pdf

  8. Ignacio Solis, Katia Obraczka and Julio Marcos, "FLIP: A Flexible Protocol for Communication Between Heterogeneous Devices", Proceedings of the IEEE ISCC 2001, July 2001. pdf

  9. Kevin Almeroth, Katia Obraczka and Dante De Lucia, "A Lightweight Protocol for Interconnecting Heterogeneous Devices in Dynamic Environments", Proceedings of the IEEE ICMCS'99, June 1999. pdf

Energy Models for Sensor Networks

  1. C. B. Margi, X. Lu, G. Zhang, G. Stanek, R. Manduchi, K. Obraczka, "Meerkats: A Power-Aware, Self-Managing Wireless Camera Network for Wide Area Monitoring", Workshop on Distributed Smart Cameras (DSC'06), Boulder, CO, October 2006. pdf

  2. Cintia Margi "Energy Consumption Trade-offs in Power Constrained Networks", PhD Thesis, UCSC June 2006. pdf

  3. Cintia Margi, Roberto Manduchi and Katia Obraczka; "Energy Consumption Tradeoffs and Prediction in Visual Sensor Networks", Proceedings of 24th Brazilian Symposium on Computer Networks (SBRC 2006), May 29 - June 02, 2006. pdf

  4. Cintia Margi, Vladislav Petkov, Katia Obraczka and Roberto Manduchi; "Characterizing Energy Consumption in a Visual Sensor Network Testbed", in Proceedings of the 2nd International IEEE/Create-Net Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities (TridentCom 2006), March 1-3, 2006. pdf

  5. Cintia Margi, Katia Obraczka and Roberto Manduchi; "Characterizing System Level Energy Consumption in Mobile Computing Platforms", in Proceedings of the IEEE WirelessCom 2005, June 13-16, 2005. pdf

  6. Cintia Margi and Katia Obraczka, "Instrumenting Network Simulators for Evaluating Energy Consumption in Power-Aware Ad-Hoc Network Protocols", in Proceedings of the IEEE/ACM MASCOTS 2004, October 5-7, 2004. pdf

  7. Marcelo M. Carvalho, Cintia Margi, Katia Obraczka, and J.J. Garcia-Luna-Aceves, "Modeling Energy Consumption in Single-Hop IEEE 802.11 Ad Hoc Networks", in Proceedings of the IEEE ICCCN 2004, October 11-13, 2004. pdf

Hybrid systems modelling framework for data communications

  1. Junsoo Lee, Stephan Bohacek, Joao Hespanha, Katia Obraczka. "Modeling Data Communication Networks Using Hybrid Systems", IEEE/ACM Transactions on Networking 15(3):630-643, June, 2007. pdf

  2. Junsoo Lee, "A Hybrid Systems Modeling Framework for Data Communication Networks", PhD Thesis, UCSC, May 2004. pdf

  3. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. "A Hybrid Systems Modeling Framework for Fast and Accurate Simulation of Data Communication Networks." In Proc. SIGMETRICS, June 2003. pdf

  4. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. "A Hybrid Systems Framework for TCP Congestion Control: A Theorical Model and its Simulation-based Validation", Technical Report, July 2002. pdf

  5. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Katia Obraczka. "Analysis of a TCP hybrid model." In Proc. of the 39th Annual Allerton Conf. on Comm., Contr., and Computing, Oct. 2001. pdf

  6. Joao Hespanha, Stephan Bohacek, Katia Obraczka, Junsoo Lee. "Hybrid Modeling of TCP Congestion Control." In Maria Domenica Di Benedetto, Alberto Sangiovanni-Vincentelli, Hybrid Systems: Computation and Control, number 2034 in Lect. Notes in Comput. Science, pages 291-304, Mar. 2001. pdf

Integrated Multicast for Ad Hoc Networks

  1. K Viswanath, B Sanso, A Kottas and K Obraczka, "Statistical Equivalent Models for Computer Simulators with an Application to the Random Waypoint Model", Transactions of the Society for Modeling and Simulation International (2007). pdf

  2. Kumar Viswanath, Katia Obraczka, Athanasios Kottas, and Bruno Sanso, "A Statistical Equivalent Model for Random Waypoint Mobility: A Case Study", Summer Simulation Multiconference (SummerSim'06). pdf

  3. Kumar Viswanath, "Adaptive Routing for Group Communications in Multi-Hop Ad-hoc Networks",Ph.D Thesis (2005). pdf

  4. Kumar Viswanath, and Katia Obraczka, "Modeling the Performance of Flooding in MultiHop Ad Hoc Networks" (Extended Version), Computer Communications Journal (CCJ 2005). pdf

  5. Kumar Viswanath, and Katia Obraczka, "Interoperability of Multicast Routing Protocols in Wireless Ad hoc networks," Journal of Wireless Communications and Mobile Computing, Special Issue AdHoc 7 (WCMC 2005) pdf

  6. Kumar Viswanath, and Katia Obraczka, "Modeling the Performance of Flooding in MultiHop Ad Hoc Networks", Symposium on Performance Evaluation of Computer and Telecommunication Systems (SPECTS'04) pdf

  7. Kumar Viswanath, Katia Obraczka and Gene Tsudik, "Exploring Mesh- and Tree Based Multicast Routing Protocols for MANETs", Transaction of Mobile Computing (TMC 2004). pdf

  8. Kumar Viswanath, and Katia Obraczka, "An Adaptive Approach to Group Communications in Multi-Hop Ad hoc Networks", International Conference on Networking (ICN 2002). pdf

  9. Kumar Viswanath,and Katia Obraczka, "An Adaptive, Integrated Approach to Reliable Group Communications in Multi-Hop Ad hoc Networks", IEEE Symposium on Computers and Communications (ISCC 2002). pdf

  10. Katia Obraczka, Gene Tsudik, and Kumar Viswanath, "Pushing the Limits of Multicast in Ad Hoc Networks", International Conference on Distributed Computing Systems (ICDCS -21). pdf

  11. Christopher Ho, Katia Obraczka, Gene Tsudik and Kumar Viswanath, "Flooding for Reliable Multicast in Multi-Hop Ad Hoc Networks", Wireless Networks (WINET 2001). pdf

  12. Christopher Ho, Katia Obraczka, Gene Tsudik and Kumar Viswanath, "Flooding for Reliable Multicast in Multi-Hop Ad Hoc Networks", MobiCom Workshop on Discrete Algorithms Methods for Mobility (DialM '99), August 1999. pdf

  13. Katia Obraczka and Gene Tsudik, "Multicast Routing Issues in Ad Hoc Networks", IEEE International Conference on Universal Personal Communication, (ICUPC '98), October 1998. pdf

Medium Access Control

  1. Eric B Decker, Venkatesh Rajendran, Katia Obraczka, J.J. Garcia-Luna-Aceves. "The multi-channel flow-aware medium access control protocol". 19th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2008). Sep 2008. pdf

  2. Venkatesh Rajendran, Katia Obraczka, J.J. Garcia-Luna-Aceves. "DYNAMMA: A DYNAmic Multi-channel Medium Access Framework for Wireless Ad Hoc Networks". Proceedings of the 4th IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS). Oct 2007. Nominated for the best paper award. pdf

  3. Venkatesh Rajendran, "Medium Access Protocols for Multi-hop Wireless Ad Hoc networks". PhD Thesis, UCSC December 2006. pdf

  4. V. Rajendran, Katia Obraczka, and J.J. Garcia-Luna-Aceves, "Energy-Efficient, Collision-Free Medium Access Control for Wireless Sensor Networks", ACM/Kluwer Wireless Networks (WINET), 2006. pdf

  5. V.Rajendran, J.J. Garcia-Luna-Aceves, Katia Obraczka, "Energy-Efficient, Application-Aware Medium Access for Sensor Networks", Proceedings of the 2nd IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS), Washington D.C, November 7-10, 2005. pdf

  6. V. Rajendran, Katia Obraczka, and J.J. Garcia-Luna-Aceves, "Energy-Efficient, Collision-Free Medium Access Control for Wireless Sensor Networks", Proc. ACM SenSys 03, Los Angeles, California, 5-7 November 2003. pdf

  7. V. Rajendran, J.J. Garcia-Luna-Aceves, and Katia Obraczka, "An Energy-Efficient Channel Access Scheduling for Sensor Networks", Proc. The Fifth International Symposium on Wireless Personal Multimedia Communication (WPMC), October 27--30, 2002, Honolulu, HI. pdf

Network Systems and Architectures

  1. Katia Obraczka, R. Manduchi, and J.J. Garcia-Luna-Aceves, "Managing the Information Flow in Visual Sensor Networks", Proc. WPMC 2002: The Fifth International Symposium on Wireless Personal Multimedia Communication, October 27--30, 2002, Honolulu, HI. pdf

  2. Andrea Richa, Katia Obraczka, and Arunhaba Sen, "Application-oriented Self-organizing Hierarchical Clustering in Dynamic Networks: A Position Paper", in ACM Workshop on Principles of Mobile Computing (POMC'01) 2001. pdf

Power-Aware Routing for Ad Hoc Networks

  1. D. Kim, J.J. Garcia-Luna-Aceves, Katia Obraczka, J-C. Cano, and P. Manzoni, "Routing Mechanisms for Mobile Ad Hoc Networks based on the Energy Drain Rate", IEEE Transactions on Mobile Computing, Vol. 2, No. 2, pp. 161-173, April-June 2003. pdf

  2. D. Kim, J.J. Garcia-Luna-Aceves, Katia Obraczka, J-C. Cano, and P. Manzoni, "Conditional Minimum Drain Rate Protocol for Route Selection in Mobile Ad Hoc Networks", The International Conference on Information Networking (ICOIN) 2003, Feb. 12-14, 2003 Jeju Island, Korea.

  3. D. Kim, J.J. Garcia-Luna-Aceves, Katia Obraczka, J-C. Cano, and P. Manzoni, "Power-Aware Routing Based on The Energy Drain Rate for Mobile Ad Hoc Networks", Proc. IEEE ICCCN2002: International Conference on Computer Communication and Networks, Miami, Florida, October 14-16, 2002. pdf

  4. D. Kim, J.J. Garcia-Luna-Aceves, Katia Obraczka, J-C. Cano, and P. Manzoni, "Performance Analysis of Power-Aware Route Selection Protocols in Mobile Ad Hoc Networks", Proc. IEEE Networks 2002, Atlanta, GA, 26--29 August, 2002. pdf

Reliable Multicasting in MANETs

  1. Venkatesh Rajendran, Katia Obraczka, Yunjung Yi, Sung-Ju Lee, Ken Tang and Mario Gerla, "Combining Source- and Localized Recovery to Achieve Reliable Multicast in Multi-Hop Ad Hoc Networks", Proceedings of the Networking' 04, May 2004. pdf

  2. Yunjung Yi, Mario Gerla, and Katia Obraczka,"Scalable Team Multicast in Wireless Ad Hoc Networks Exploiting Coordinated Motion", to appear in the Elsevier Ad Hoc Networks Journal. pdf

  3. Ken Tang, Katia Obraczka, Sung-Ju Lee and Mario Gerla, "Reliable Adaptive Lightweight Multicast Protocol", Proceedings of IEEE ICC 2003, May 2003. pdf

  4. Ken Tang, Katia Obraczka, Sung-Ju Lee and Mario Gerla, "A Reliable, Congestion-Controlled Multicast Transport Protocol in Multimedia Multi-hop Networks", Proceedings of IEEE WPMC 2002, October 2002. pdf

  5. Ken Tang, Katia Obraczka, Sung-Ju Lee and Mario Gerla, "Congestion Controlled Adaptive Lightweight Multicast in Wireless Mobile Ad Hoc Networks", Proceedings of IEEE ISCC, July 2002. pdf

  6. V. Rajendran, Y. Yi, Katia Obraczka, S.J.Lee, K.Tang and M. Gerla, "Reliable, Adaptive, Congestion-Controlled Adhoc Multicast Transport Protocol: Combining Source-based and Local Recovery", UCSC Technical Report, 2003. pdf

Sensor Networks for Environmental Monitoring

  1. Matt Bromage and Katia Obraczka and Donald C. Potts, "SEA-LABS: A Wireless Sensor Network for Sustained Monitoring of Coral Reefs", Poster presented at IFIP Networking, 2007 pdf

  2. David Munday, Tony Hutter, Matthew Minolli, Katia Obraczka, "Yellowstone Sensors Project", Demo presented at Mobicom, 2007, http://yellowstone.soe.ucsc.edu.

  3. Munday, D A, Hutter, T, Minolli, M, Obraczka, K, Manduchi, R, Petersen, S, Lowenstern, J B, Heasler, H, "Development of a Wireless Network of Temperature Sensors for Yellowstone National Park", Poster presented at the Fall 2007 meeting of the American Geophysical Union (AGU).

Stochastic Multipath Routing and TCP for Persistent Reordering

  1. Chansook Lim, Stephan Bohacek, Joao Hespanha, Katia Obraczka, "On the Effectiveness of Proactive Path-Diversity Based Routing for Robustness to Path Failures", IFIP Networking 2008.

  2. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka, "Game Theoretic Stochastic Routing for Fault Tolerance and Security in Computer Networks", IEEE Transactions on Parallel and Distributed Systems, Vol. 18, Issue 9, Pages 1227-1240, September 2007.

  3. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka, "A new TCP for persistent packet reordering", IEEE/ACM Transactions on Networking, Vol. 14, Issue 2, Pages 369- 382, April 2006.

  4. Chansook Lim, Stephan Bohacek, Joao Hespanha, Katia Obraczka, "Hierarchial max-flow routing", Proceedings of IEEE GLOBECOM, Dec. 2005.

  5. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka. "TCP-PR: TCP for Persistent Packet Reordering." In Proc. of the IEEE 23rd Int. Conf. on Distributed Computing Systems, pages 222-231, May 2003. pdf

  6. Stephan Bohacek, Joao Hespanha, Katia Obraczka. "Saddle Policies for Secure Routing in Communication Networks." In Proc. of the 41th Conf. on Decision and Contr., volume 2, pages 1416-1421, Dec. 2002. pdf

  7. Stephan Bohacek, Joao Hespanha, Junsoo Lee, Chansook Lim, Katia Obraczka. "Enhancing security via stochastic routing." In Proc. of the 11th IEEE Int. Conf. on Comput. Communications and Networks, May 2002. pdf