Publications

Connected Health

  1. Sachin Rangarajan, Young Lee, Vinith Johnson, Kaelan Schorger, Hanmin Lee, Dung Nguyen, Mohammad H. Behfar, Elina Jansson, Jari Rekila, Jussi Hiltunen, Eric Vin, Katia Obraczka, “A Novel IoT System For Patient-Centric Pressure Ulcer Prevention Using Sensor Embedded Dressings” in IEEE International Conference on Pervasive Computing and Communications (PerCom) 2022. pdf
  2. S. Mansfield, E. Vin and K. Obraczka, “An IoT System for Autonomous, Continuous, Real-Time Patient Monitoring and Its Application to Pressure Injury Management“ in 2021 IEEE International Conference on Digital Health (ICDH). pdf
  3. S. Mansfield, E. Vin and K. Obraczka, “An IoT-Based System for Autonomous, Continuous,Real-Time Patient Monitoring and Its Application to Pressure Injury Management“ in 2021 IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS). pdf
  4. S. Mansfield, S. Rangarajan, K. Obraczka, H. Lee, D. Young, and S. Roy, “Objective Pressure Injury Risk Assessment Using A Wearable Pressure Sensor,” in 2019 IEEE International Conference on Bioinformatics and Biomedicine (BIBM), San Diego, CA, USA, 2019 pdf
  5. S. Mansfield, K. Obraczka, and S. Roy, “Pressure Injury Prevention: A Survey,” IEEE Reviews In Biomedical Engineering, pp. 1–3, 2019. pdf

Mobility Management, Modeling and Characterization

  1. Danielle L. Ferreira, B. Nunes, Carlos Alberto V. Campos, K. Obraczka, “A Deep Learning Approach for Identifying User Communities Based on Geographical Preferences and Its Applications to Urban and Environmental Planning”, in ACM Trans. Spatial Algorithms Syst., Vol. 1, No. 1, January 2020. pdf
  2. Danielle L. Ferreira , Cláudio de Souza, Katia Obraczka, and Carlos Alberto V. Campos, “Identifying User Communities Using Deep Learning and Its Application to Opportunistic Networking”, IEEE The 16th IEEE International Conference on Mobile Ad-Hoc and Smart Systems (MASS) 2019. pdf
  3. Danielle Lopes Ferreira Astuto, “Characterization of Human Social Mobility Patterns Applied to Mobility Modeling and Opportunistic Networks”, PhD Thesis, 2019.
  4. Danielle Lopes Ferreira, B. Nunes, K. Obraczka, “Scale-Free Properties of Human Mobility and Applications to Intelligent Transportation Systems”, IEEE Transactions on Intelligent Transportation Systems, 2018. pdf
  5. Larissa M.E. Oliveira, K. Obraczka,  Abel Rodrigues, “Characterizing User Activity in WiFi Networks: University Campus and Urban Area Case Studies“, 19th ACM International Conference on Modeling, Analysis  and Simulation of Wireless and Mobile Systems, Malta, November 13-17th 2016. pdf
  6. Danielle Lopes Ferreira, B. Nunes, K. Obraczka, “On the Heavy Tail Properties of Spatial Node Density for Realistic Mobility Modeling”, IEEE Communications Society International Conference on Sensing, Communications and Networking (SECON), Singapure, 2014. pdf
  7. B. Nunes, K. Obraczka, “A Framework for Modeling Spatial Node Density in Waypoint-based Mobility”, Springer Wireless Networks (WINET), Springer US, DOI: 10.1007/s11276-013-0639-0, Print ISSN: 1022-0038, Online ISSN: 1572-8196, September 2013. pdf
  8. B. Nunes, “CHARACTERIZING USER MOBILITY IN WIRELESS NETWORKS”. PhD Thesis, UCSC, 2012. link
  9. B. Nunes, Abel Rodrigues, K. Obraczka, “SAGA: Socially- And Geography-Aware Mobility Modeling Framework”, The 15th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWIM’12), October 21-25, 2012. pdf
  10. B. Nunes, K. Obraczka, “Modeling Spatial Node Density in Waypoint Mobility”, IEEE 9th International Conference on Mobile Adhoc and Sensor Systems (MASS’12), October 8-11, 2012. pdf
  11. B. Nunes, K. Obraczka, “On the Symmetry of User Mobility in Wireless Networks”, The Fifth IEEE WoWMoM Workshop on Autonomic and Opportunistic Communications (AOC’11), June 23rd, 2011. pdf
  12. B. Nunes, K. Obraczka, “On the Invariance of Spatial Node Density for Realistic Mobility Modeling”, IEEE 8th International Conference on Mobile Adhoc and Sensor Systems (MASS’11), October 19th, 2011. pdf

Internet masurements and characterization

  1. D. Alves, K. Obraczka, “An Empirical Characterization Of Internet Round-Trip Times”, 13th ACM Symposium on QoS and Security for Wireless and Mobile Networks (Q2SWinet 2017), November 21st – 25th. pdf

Round-Trip-Time (RTT) Estimation Applied to TCP

  1. B. Nunes, K. Obraczka, K. Veenstra, William Ballenthin , Stephanie Lukin, “A Machine Learning Approach to End-to-End RTT Estimation and its Application to TCP”, 20th IEEE International Conference on Computer Communications and Networks (ICCCN’11), July 31st – August 4th, 2011. pdf
  2. B. Nunes, K. Veenstra, W. Ballenthin , S. Lukin, K. Obraczka, “A machine learning framework for TCP round-trip time estimation”, EURASIP Journal on Wireless Communications and Networking, 2014, 2014:47, doi:10.1186/1687-1499-2014-47.  pdf

Machine Learning and Network Performance Estimation

  1. Yalda Edalat, Katia Obraczka, and Jong-Suk Ahn, “Smart adaptive collision avoidance for IEEE 802.11”, in Ad Hoc Networks, Volume 124, January 1, 2022. pdf
  2. Y. Edalat, “Exploring Computational Intelligence to Improve Network Performance”, PhD Thesis, 2019.
  3. Y. Edalat, K. Obraczka, “Dynamically Tuning IEEE 802.11’s Contention Window Using Machine Learning” 22nd ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems, 2019. pdf
  4. Y. Edalat, J. Ahn and K. Obraczka, “Network State Estimation Using Smart Experts”, 11th International Conference in Mobile and Ubiquitous Systems (MOBIQUITOUS), London 2014. pdf
  5. Edalat, Yalda, Jong-Suk Ahn, and Katia Obraczka. “Estimating Network Performance Using SmartExperts” DOI 10.1109/TNSM.2016.2586506, IEEE Transactions on Network and Service Management, Sept 2016, vol. 13, issue 3, pp 622-635. pdf
  6. Yalda Edalat, Katia Obraczka, and Bahadur Amiri, “A Machine Learning Approach for Dynamic Control of RTS/CTS in WLANs”, in IEEE Mobiquitous 2018. pdf

Software Defined Networking (SDN)

  1. B. Nunes, M. A. S. Santos, B. T. de Oliveira, K. Obraczka, T. Turletti, C. B. Margi, “Software-defined-networking-enabled capacity sharing in user-centric networks,” Communications Magazine, IEEE , vol.52, no.9, pp.28,36, September 2014, doi: 10.1109/MCOM.2014.6894449 pdf
  2. M. A. S. Santos, B. Nunes, B. T. de Oliveira, K. Obraczka, T. Turletti, C. B. Margi, “Decentralizing SDN’s Control Plane”, In: The 39th Annual IEEE Conference on Local Computer Networks (LCN), 2014.
  3. B. Nunes, M. Mendonca, Xuan-Nam Nguyen, K. Obraczka, T. Turletti, “A Survey of Software-Defined Networking: Past, Present, and Future of Programmable Networks”, Communications Surveys & Tutorials, IEEE , vol.16, no.3, pp.1617,1634, Third Quarter 2014, doi: 10.1109/SURV.2014.012214.00180 pdf
  4. B. Nunes, M. Mendonca, K. Obraczka, Thierry Turletti,“Software Defined Networking for Heterogeneous Networks”, IEEE COMMUNICATIONS SOCIETY MULTIMEDIA COMMUNICATIONS, IEEE COMSOC MMTC E-Letter, Vol. 8, No. 3, May 2013, pgs 36-39. pdf
  5. M. A. S. Santos, B. Nunes, C. B. Margi, B. T. de Oliveira, K. Obraczka, T. Turletti, “Software-Defined Networking Based Capacity Sharing in Hybrid Networks”, Workshop on Capacity Sharing (CSWS’13), with the IEEE International Conference on Network Protocols (ICNP13), 2013. pdf
  6. M. Mendonca, Katia Obraczka, and Thierry Turletti, “The Case for Software-Defined Networking in Heterogeneous Networked Environments”, ACM CoNEXT Student Workshop, Nice, France, December 2012.
  7. M. Mendonca, Srini Seetharaman, Katia Obraczka, “A Flexible In-Network IP Anonymization Service”, to appear at the IEEE ICC Workshop on Software-Defined Networks, Ottawa, Canada, June 2012. pdf
  8. M. Mendonca, “In Pursuit of Privacy on a Public Internet”, MS Thesis, UCSC, March 2011. link

Dynamically Distributed  Network Control Plane

  1. Anuj Kaul, Li Xue, Katia Obraczka, Mateus Santos, Thierry Turletti;”Handover and Load Balancing for Distributed Network Control: Applications in ITS Message Dissemination “, to appear at 27th International Conference on Computer Communications and Networks(ICCCN18),July 2018. pdf
  2. Anuj Kaul, Katia Obraczka, Mateus Santos, Christian Esteve Rothenberg, Thierry Turletti; “Dynamically Distributed Network Control for Message Dissemination in ITS “, to appear at 21st IEEE/ACM International Symposium on Distributed Simulation and Real-Time Applications (DS-RT 2017) October 18-20, 2017. pdf

SCORPION Network Testbed

  1. S. Bromage, C. Engstrom, J. Koshimoto, M. Bromage, S. Dabideen, M. Hu, R. Menchaca-Mendez, D. Nguyen, B. Nunes, V. Petkov, D. Sampath, H. Taylor, M. Veyseh, J. J. Garcia-Luna-Aceves, K. Obraczka, H. Sadjadpour, B. Smith, “SCORPION: A Heterogeneous Wireless Networking Testbed (Extended Abstract)”, in the ACM Mobile Computing and Communications Review (MC2R), January 2009.
  2. M. Bromage, V. Petkov, B. Nunes, Katia Obraczka, J. Koshimoto, S. Bromage, and C. Engstrom, “SCORPION: A Heterogeneous Wireless Networking Testbed”, student poster presentation at ACM/IEEE Mobicom 2008, September 2008.
  3. K. Veenstra, K. Obraczka, W. Gobels, D. Olivares, V. Petkov, “A Management Suite for a Disruption-Tolerant Wireless Network Testbed”, IFIP/IEEE Integrated Network Management Symposium (IM), June 2013. pdf

Smart Visual Sensor Networks

  1. K. Abas,  Katia Obraczka, Caio Porto, “Wireless Smart Camera Networks for the Surveillance of Public Spaces”, Computer, vol. 47, no. 5, pp. 37-44, May, 2014 link
  2. Leland Miller, K. Abas,  Katia Obraczka, “SCmesh: Solar-Powered Wireless Smart Camera Mesh Network”, Computer Communication and Networks (ICCCN), 2015 24rd International Conference, Aug. 2015. pdf
  3. K. Abas, “Solar-Powered Smart Wireless Camera Network for Outdoor Monitoring”. UC Santa Cruz: Computer Engineering. Master’s Thesis. 2015. link
  4. Kevin Abas, Katia Obraczka, Leland Miller, “Solar-powered, wireless smart camera network: An IoT solution for outdoor video monitoring”, Elsevier Computer Communications, Volume 118, March 2018, Pages 217-233. pdf

Delay-Tolerant Networks

  1. Aloizio P. Silva, K. Obraczka, Scott Burleigh, Jose’ M.S. Nogueira , and Celso M. Hirata (2019). A Congestion Control Framework for Delay- and Disruption-Tolerant Networks. Elsevier Ad Hoc Networks Journal. pdf
  2. Aloizio P. Silva, K. Obraczka, Scott Burleigh and Celso M. Hirata,“Smart Congestion Control for Delay- and Disruption Tolerant Networks”, IEEE SECON 2016, London, UK, June 2016. pdf
  3. Aloizio P. Silva, Scott Burleigh, Celso M. Hirata, and K. Obraczka,“Congestion Control in Disruption-Tolerant Networks: A Comparative Study fo Interplanetary and Terrestrial Networking Applications”, Ad Hoc Networks, Elsevier, 2016. pdf
  4. Aloizio P. Silva, Marcelo Hilario, Celso M. Hirata, and K. Obraczka,“A Percolation-Based Approach to Model DTN Congestion Control”, IEEE MASS 2015, Dallas, TX,  USA, October 2015. pdf
  5. Aloizio P. Silva, Scott Burleigh, Celso M. Hirata, and K. Obraczka,“DTN Congestion Control Unplugged: A Comprehensive Performance Study”, ACM CHANTS 2015, Paris, France, September 2015. pdf
  6. Aloizio P. Silva,“A Novel Congestion Control Framework For Delay AND Disruption Tolerant Networks”, Phd thesis, August 2015. pdf
  7. Aloizio P. Silva, Scott Burleigh, Celso M. Hirata, and K. Obraczka, “Congestion Control in Disruption-Tolerant Network: A Comparative Study for Interplanetary Networking Applications”, ACM CHANTS 2014, Maui, Hawaii, USA, September 2014. pdf
  8. Aloizio P. Silva, Scott Burleigh, Celso M. Hirata, and K. Obraczka,“A Survey on Congestion Control for Delay and disruption Tolerant Networks”, Ad Hoc Networks, Elsevier, August 2014. pdf
  9. Thrasyvoulos Spyropoulos, Rao Naveed Bin Rais, Thierry Turletti, Katia Obraczka, Athanasios Vasilakos, “Routing for Disruption Tolerant Networks: Taxonomy and Design”, ACM/Springer Wireless Networks (WINET), DOI 10.1007/s11276-010-0276-9, Vol. 16. No. 8, 2010. pdf
  10. M. Bromage, “Delay-Tolerant Routing for Extreme Networking Environments”, Masters Thesis 2009. pdf
  11. M. Bromage, J. Koshimoto, and Katia Obraczka, “TAROT: Trajectory-Assisted Routing for Intermittently Connected Networks”, ACM MobiCom workshop on Challenged Networks, 2009. pdf
  12. 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
  13. 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
  14. K. Obraczka, J. Boice, L. Matinez-Gomez, J. P. Fancois, A. Levin-Pick, and A. Weitzenfeld “Networking Under Episodic Connectivity for Autonomous Multi-Robot Coordination”, Proceedings of the IEEE Robocomm 2007.
  15. 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.
  16. 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.
  17. 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.
  18. 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.

Hybrid Networks

  1. Rao Naveed Bin Rais, Thierry Turletti, Katia Obraczka, “Message Delivery in Heterogeneous Networks prone to Episodic Connectivity”, ACM/Springer Wireless Networks (WINET) journal, Vol. 17. No. 8, 2011. pdf
  2. Amir Krifa, M. Mendonca, Rao Naveed Bin Rais, Chadi Barakat, Thierry Turletti, and Katia Obraczka, “Efficient Content Dissemination in Heterogeneous Networks Prone to Episodic Connectivity”, demo presentation at ACM SIGCOMM (in proceedings), Toronto, 2011. pdf
  3. Rao Naveed Bin Rais, Mariem Abdelmoula, Thierry Turletti, Katia Obraczka, “Naming for Heterogeneous Networks Prone to Episodic Connectivity”, to appear in the IEEE WCNC Conference, Cancun, Mexico, March 2011. pdf
  4. Rao Naveed Bin Rais, M. Mendonca, Thierry Turletti, Katia Obraczka,“Towards Truly Heterogeneous Internets: Bridging Infrastructure-based and Infrastructure-less Networks”, IEEE/ACM International Conference on Communication Systems and Networks (COMSNETS), India, January 2011. pdf
  5. M. Mendonca, Rao Naveed Bin Rais, Thierry Turletti, Katia Obraczka,“Message Delivery in Heterogeneous Disruption-prone Networks”, Demo presentation at ACM Mobicom (in proceedings), Chicago, September 22, 2010.
  6. Rao Naveed Bin Rais, Thierry Turletti, Katia Obraczka, “Coping with Episodic Connectivity in Heterogeneous Networks”, 11th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), Vancouver, Canada, October 2008. pdf

Energy-Efficient Protocols for Sensor Networks

  1. I. Solis, “Efficient Protocols for Power-Constrained Heterogeneous Wireless Ad-Hoc Networks”. PhD Thesis, UCSC. pdf
  2. I. 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. I. Solis and Katia Obraczka, “Efficient Continuous Mapping in Sensor Networks using Isolines”, Mobiquitous’05, July 2005. pdf
  4. I. Solis and Katia Obraczka, “Isolines: Energy efficient mapping in Sensor Networks”, IEEE ISCC’05, June 2005. pdf
  5. I. Solis and Katia Obraczka, “The impact of timing in data aggregation for sensor networks” , IEEE ICC’04, June 2004. pdf
  6. I. 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. I. Solis and Katia Obraczka, “The Case for a Flexible-Header Protocol (FLIP) in Power Constrained Networks”, Proceedings of the WCNC 2003. pdf
  8. I. 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. C. B. Margi “Energy Consumption Trade-offs in Power Constrained Networks”, PhD Thesis, UCSC June 2006. pdf
  3. C. B. 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. C. B. Margi, V. 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. C. B. 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. C. B. 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, C. B. 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. J. 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. J. Lee, “A Hybrid Systems Modeling Framework for Data Communication Networks”, PhD Thesis, UCSC, May 2004. pdf
  3. Stephan Bohacek, Joao Hespanha, J. 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, J. 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, J. 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, J. 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. K. 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. K. Viswanath, “Adaptive Routing for Group Communications in Multi-Hop Ad-hoc Networks”,Ph.D Thesis (2005). pdf
  4. K. Viswanath, and Katia Obraczka, “Modeling the Performance of Flooding in MultiHop Ad Hoc Networks” (Extended Version), Computer Communications Journal (CCJ 2005). pdf
  5. K. 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. K. 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. K. Viswanath, Katia Obraczka and Gene Tsudik, “Exploring Mesh- and Tree Based Multicast Routing Protocols for MANETs”, Transaction of Mobile Computing (TMC 2004). pdf
  8. K. Viswanath, and Katia Obraczka, “An Adaptive Approach to Group Communications in Multi-Hop Ad hoc Networks”, International Conference on Networking (ICN 2002). pdf
  9. K. 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 K. 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 K. 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. V. Petkov, Ram Rajagopal, Katia Obraczka, “Characterizing per-application network traffic using entropy”, Volume 23 Issue 2 Article 14, ACM Transactions on Modeling and Computer Simulation (TOMACS), May 2013. link
  2. V. Petkov, “”’Proactive, Traffic Adaptive, Collision-Free Medium Access”'”. PhD Thesis, UCSC June 2012. pdf
  3. V. Petkov, Katia Obraczka, “Collision-Free Medium Access Based on Traffic Forecasting”, Proceedings of the 13th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, June 2012, pdf
  4. V. Petkov, Ram Rajagopal, Katia Obraczka, “Characterizing Per-Application Network Traffic Using Entropy” . Proceedings of the 19th IEEE MASCOTS Symposium, July 2011. pdf
  5. V. Petkov, Katia Obraczka, “The Case for Using Traffic Forecasting in Schedule-Based Channel Access”. Proceedings of the 5th IEEE Workshop on Personalized Networks, January 2011. pdf
  6. Duy Nguyen, J.J. Garcia-Luna-Aceves, Katia Obraczka. “Collision-Free Asynchronous Multi-Channel Access in Ad Hoc Networks”. Proceedings of the IEEE Globecom 2009, December 2009. pdf
  7. 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
  8. 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
  9. Venkatesh Rajendran, “Medium Access Protocols for Multi-hop Wireless Ad Hoc networks”. PhD Thesis, UCSC December 2006. pdf
  10. 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
  11. 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
  12. 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
  13. 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. Matthew Rutishauser, V. Petkov, Terrie Williams, Christopher Wilmers, Jay Boice, Katia Obraczka, and Patrick Mantey, “Carnivore: A disruption-tolerant system for studying wildlife”. To appear in the Opportunistic and Delay Tolerant Networks special issue of the EURASIP Journal on Wireless Communications and Networking . pdf
  2. Matthew Rutishauser, V. Petkov, Terrie Williams, Christopher Wilmers, Jay Boice, Katia Obraczka, and Patrick Mantey, “Carnivore: A disruption-tolerant system for studying wildlife”. In Proceedings of 19th Internatonal Conference on Computer Communications and Networks, August 2010. pdf
  3. M. 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
  4. David Munday, Tony Hutter, Matthew Minolli, Katia Obraczka, “Yellowstone Sensors Project”, Demo presented at Mobicom, 2007 http://yellowstone.soe.ucsc.edu
  5. 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

Deployment and Management of Self-Organizing Networks

  1. S. Mansfield, K. Veenstra, K. Obraczka, “Modeling Communication Over Terrain for Realistic Simulation of Outdoor Sensor Network Deployments”, ACM Trans. Model. Perform. Eval. Comput. Syst. To appear. pdf
  2. K. Veenstra and K. Obraczka, “Outdoor 2.5D-Terrain IoT Deployment Algorithms: Repairing Partitions While Mitigating Coverage Loss”, In Proceedings of IEEE International Conference on Mobile Adhoc and Sensor Systems (MASS), 2022. pdf
  3. K. Veenstra and K. Obraczka, “Apparatus and Method for Efficient Deployment of Nodes in a Network.” Non-provisional patent application. 2021. Details TBD.
  4. K. Veenstra and K. Obraczka. “Grid Partition: an Efficient Greedy Approach for Outdoor Camera IoT Deployments in 2.5D Terrain.”, In 29th International Conference on Computer Communications and Networks (ICCCN). August 2020. pdf
  5. S. Mansfield, K. Veenstra, and K. Obraczka, “TerrainLOS: An Outdoor Propagation Model for Realistic Sensor Network Simulation”, In Proceedings of IEEE Computer Society’s MASCOTS, 2016. pdf
  6. K. Veenstra and K. Obraczka, “Guiding Sensor-Node Deployment Over 2.5D Terrain”, In Proceedings of IEEE International Conference on Communications, 2015. pdf
  7. T. Razafindralambo, N. Mitton, A. Viana, M. Amorim, and K. Obraczka, “Adaptive Deployment for Pervasive Data Gathering in Connectivity-Challenged Environments”, In Proceedings of the IEEE PerCom 2010, 2010.

Vehicle Tracking Systems

  1. J. Koshimoto, M. Bromage, V. Petkov and Katia Obraczka, “SlugTransit: A Location-Based Public Transportation Management System”, ACM Mobility Conference 2009, 2009. pdf
  2. K. Veenstra, “BTS 2: A Robust, Low-Cost, Real-Time Bus Tracking System”. UC Santa Cruz: Computer Engineering. Master’s Thesis. 2017. pdf, Supplemental-Files

Cloud System Availability and Dependability

  1. Daniel Alves, Katia Obraczka, Rick Lindberg, “Identifying Relevant Data Center Telemetry Using Change Point Detection”, IEEE CloudNet 2020. pdf
  2. Osama Arouk, Thierry Turletti, Navid Nikaein, Katia Obraczka, “Cost Optimization of Cloud-RAN Planning and Provisioning for 5G Networks”, IEEE ICC 2018. pdf
  3. Ben Handley, Allison Hume, Rick Lindberg, and K. Obraczka, “Phantom of the Cloud: Towards Improved Cloud Availability and Dependability”, In Proceedings of the IEEE CloudNet 2015.

Internet of Things

  1. Fabiano Bhering, Diego Passos, Katia Obraczka,  Célio Albuquerque, “Network performance estimator with applications to route selection for IoT multimedia applications”. SIMULATION (2023). pdf
  2. Fabiano Bhering, Diego Passos, Katia Obraczka,  Célio Albuquerque, “Efficient Multipath Selection for IoT Video Transmission“. IEEE Global Internet Symposium (2022). pdf
  3. Fabiano Bhering, Diego Passos, Katia Obraczka,  Célio Albuquerque, “Wireless Multipath Video Transmission: When IoT Video Applications Meet Networking—A Survey”. Multimedia Systems (2022). pdf
  4. Shesha Sreenivasamurthy and Katia Obraczka, “Clustering for Load Balancing and Energy Efficiency in IoT Applications”, in IEEE MASCOTS 2018. pdf
  5. Vinicius Guimaraes, Adolfo Bauchspiess, R. Moraes, and K. Obraczka, “A Novel IoT Protocol Architecture: Efficiency Through Data and Functionality Sharing Across Layers”, in IEEE IC3N 2019. pdf

Edge Intelligence

  1. Kuttivelil, Harikrishna, and Katia Obraczka. “Community-Structured Decentralized Learning for Resilient EI.” Proceedings of the First Workshop on Systems Challenges in Reliable and Secure Federated Learning. 2021. pdf

Network Experimentation: Reproducibility, Simulation and Benchmarking

  1. Harikrishna S. Kuttivelil, Shesha Sreenivasamurthy, Lakshmi Krishnaswamy, Nayan Bhatia, and Katia Obraczka. 2023. Network Simulation Bridge: Bridging Applications to Network Simulators. In Proceedings of the 19th ACM International Symposium on QoS and Security for Wireless and Mobile Networks (Q2SWinet ’23). Association for Computing Machinery, New York, NY, USA, 39–46. pdf
  2. Daniel Alves, Katia Obraczka, Abdul Kabbani, “GDSim: Benchmarking Geo-Distributed Data Center Schedulers”, 2021 IEEE 10th International Conference on Cloud Networking (CloudNet), November 2021. pdf
  3. Andrea David, Mariette Souppe, Ivo Jimenez, Katia Obraczka, Sam Mansfield, Kerry Veenstra, Carlos Maltzahn, “Reproducible Computer Network Experiments: A Case Study Using Popper”, 2nd International Workshop on Practical Reproducible Evaluation of Computer Systems (P-RECS’19), co-located with The 28th International Symposium on High-Performance Parallel and Distributed Computing (HPDC) 2019, June 2019. pdf
  4. Allison Hume and Katia Obraczka, Towards a Modular and Extensible TCP Congestion Control Implementation for the ns-3 Network Simulator, IEEE ICNC 2017, January 2017. pdf
  5. Daniel Hiranandani, Katia Obraczka, J. J. Garcia-Luna-Aceves, “MANET protocol simulations considered harmful: the case for benchmarking”, IEEE Wireless Communication, volume 20, issue 4, August 2013.

Smart Grid

  1. Yona Lopes, Natalia Castro Fernandes, Debora Christina Muchaluat-Saade, Katia Obraczka, “ARES: An Autonomic and Resilient Framework for Smart Grids, IEEE/IFIP International Symposium on Integrated Network Management (IM) 2017, May 2017. pdf

Vehicle Platooning

  1. S. Sreenivasamurthy and K. Obraczka, “Towards Biologically Inspired Decentralized Platooning for Autonomous Vehicles,” 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring), 2021, pp. 1-7, doi: 10.1109/VTC2021-Spring51267.2021.9448731.pdf
  2. S. Sreenivasamurthy and K. Obraczka, “Multi-Vehicle Merge in Adaptive Decentralized Emergent Behavior PlaTooning” 2023 IEEE 8th International Conference on Models and Technologies for Intelligent Transportation Systems (MT-ITS 2023) pdf

Network Security

  1. Li Xue, K. Obraczka, Zouheir Rezki, “Cross-Layer Device Fingerprinting and its Applications to Network Security”, 2023 IEEE International Conference on Communications(ICC).pdf

 


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