Publications in 2004
D. Son, A. Helmy, B. Krishnamachari, "The Effect of Mobility-induced Location Errors on Geographic Routing in Mobile Ad Hoc and Sensor Networks: Analysis and Improvement using Mobility Prediction", IEEE Transactions on Mobile Computing, Special Issue on Mobile Sensor Networks, To appear 3rd Quarter, 2004.
K. Seada, A. Helmy, S. Gupta, "A Framework for Systematic Evaluation of Multicast Congestion Control Protocols", IEEE Journal on Selected Areas in Communications (JSAC), Special issue on Protocol Design and Testing. December 2004.
J. Faruque, A. Helmy, "RUGGED: RoUting on finGerprint Gradients in sEnsor Networks", IEEE International Conference on Pervasive Services (ICPS), July 2004.
J. Faruque, K. Psounis, A. Helmy, "Analysis of Gradient-based Routing Protocols in Sensor Networks", Student poster in ACM SIGCOMM 2004, August 30 - September 3, 2004, Portland, Oregon [poster] [abstract]
R. Chitradurga, A. Helmy, "Analysis of Wired Short Cuts in Wireless Sensor Networks", ACS/IEEE International Conference on Pervasive Services (ICPS’2004), July 2004.
A. Das, D. Dutta, A. Helmy, "A Low-state Packet Marking Framework for Approximate Fair Bandwidth Allocation", IEEE Communications Letters, To appear 2nd Quarter 2004.
F. Bai, N. Sadagopan, B. Krishnamachari, A. Helmy, "Modeling Path Duration Distributions in MANETs and their Impact on Routing Performance", IEEE Journal on Selected Areas in Communications (JSAC), Special Issue on Quality of Service in Variable Topology Networks, To Appear 3rd-4th Quarter 2004. [Acceptance rate: 24% of 82 submissions]
W. Hsu, K. Merchant, H. Shu, C. Hsu, and A. Helmy, "Weighted Waypoint Mobility Model and its Impact on Ad Hoc Networks" - Mobicom 2004 Poster Abstract, Mobile Computing and Communication Review, Jan 2005
W. Hsu,K. Merchant, H. Shu, C. Hsu, and A. Helmy, "Preference-based Mobility Modeling and the Case for Congestion Relief in WLANs using Ad hoc Networks", VTC, Sep. 2004, Los Angeles(pdf)
K. Merchant, W. Hsu,H. Shu, C. Hsu, and A. Helmy, "Weighted Waypoint Mobility Model and Its Impacts on Ad Hoc Networks," Mobicom poster, Sep. 2004, Pheladelphia (ppt)
Karim Seada, Ahmed Helmy, Ramesh Govindan, "On the Effect of Localization Errors on Geographic Face Routing in Sensor Networks", The Third IEEE/ACM International Symposium on Information Processing in Sensor Networks (IPSN), April 2004.
A. Helmy, "Efficient Resource Discovery in Wireless AdHoc Networks: Contacts Do Help", Book Chapter on "Resource Management in Wireless Networking" by Kluwer Academic Publishers, To Appear May 2004.
F. Bai, N. Sadagopan, A. Helmy, "BRICS: A Building-block approach for analyzing RoutIng protoCols in Ad Hoc Networks - A Case Study of Reactive Routing Protocols", USC-CS-TR-02-775, IEEE International Conference on Communications (ICC), June 2004. (Acceptance rate: less than 30%).
Y. Lu, H. Lin, Y. Gu, A. Helmy, "Towards Mobility-Rich Performance Analysis of Routing Protocols in Ad Hoc Networks: Using Contraction, Expansion and Hybrid Models", IEEE International Conference on Communications (ICC), June 2004. (Acceptance rate: less than 30%).
C. Shete, S. Sawhney, S. Herwadka, V. Mehandru, A. Helmy, "Analysis of the Effects of Mobility on the Grid Location Service in Ad Hoc Networks", IEEE International Conference on Communications (ICC), June 2004. (Acceptance rate: less than 30%).
K. Seada, A. Helmy, "Rendezvous Regions: A Scalable Architecture for Service Location and Data-Centric Storage in Large-Scale Wireless Networks", IEEE/ACM IPDPS 4th Int'l Workshop on Algorithms for Wireless, Mobile, Ad Hoc and Sensor Networks (WMAN), Santa Fe, April 2004. (Acceptance rate: ~32% of ~60 submissions).
K. Seada, A. Helmy, "Efficient Geocasting with Perfect Delivery in Wireless Networks", IEEE Wireless Communications and Networking Conference (WCNC), March 2004.
K. Seada, M. Zuniga, A. Helmy, B. Krishnamachari. "Energy-Efficient Forwarding Strategies for Geographic Routing in Lossy Wireless Sensor Networks". ACM 2nd Conference on Embedded Networked Sensor Systems (SenSys), Baltimore, Maryland, November 2004.
D. Son, A. Helmy, B. Krishnamachari, "The Effect of Mobility-induced Location Errors on Geographic Routing in Ad Hoc Networks: Analysis and Improvement using Mobility Prediction", IEEE Wireless Communications and Networking Conference (WCNC),March 2004.
F. Bai, A. Helmy, "Comparative Analysis of Algorithms for Tree Structure Restoration in Sensor Network", IEEE Workshop on Energy-Efficient Wireless Communications and Networks (EWCN), in conjunction with IEEE International Performance, Computing, and Communications Conference (IPCCC), April 2004.
S. Tanachaiwiwat, P. Dave, R. Bhindwale, A. Helmy, "Location-centric Isolation of Misbehavior and Trust Routing in Energy-constrained Sensor Networks", IEEE Workshop on Energy-Efficient Wireless Communications and Networks (EWCN), in conjunction with IEEE International Performance, Computing, and Communications Conference (IPCCC), April 2004.
A. Helmy, S. Garg, P. Pamu, N. Nahata, "CARD: A Contact-based Architecture for Resource Discovery in Ad Hoc Networks", ACM Baltzer Mobile Networks and Applications (MONET) Journal, Kluwer publications, Special issue on Algorithmic Solutions for Wireless, Mobile, Ad Hoc and Sensor Networks. To appear 1st Quarter 2004.
A. Helmy, "CAPTURE: location-free Contact-Assisted Power-efficienT qUery REsolution for Sensor Networks", ACM Mobile Computer and Communications Review (MC2R), Special issue on Wireless PAN and Sensor Networks, To appear January 2004.
A. Helmy, M. Jaseemuddin, G. Bhaskara, "Multicast-based Mobility: A Novel Architecture for Efficient Micro-Mobility", IEEE Journal on Selected Areas in Communications (JSAC), Special Issue on All-IP Wireless Networks, May 2004
Y. Kim, J. Lee, A. Helmy, "Modeling and Analyzing the Impact of Location Inconsistencies on Geographic Routing in Wireless Networks", ACM Mobile Computer and Communications Review (MC2R), Special issue on Wireless PAN and Sensor Networks, January 2004.