1. 1 Use of High-Performance and High-Throughput Computing Resources in the Center for Research in Wireless Communications Dan Noneaker Holcombe Dept. of Electrical and Computer Engineering

2. 2 HPC/HTC in Wireless Communications Research Areas of Research Wireless communication systems Mobile ad hoc wireless networks Applied electromagnetics Principal Sources of Research Funding Air Force Office of Scientific Research Army Research Office National Science Foundation Office of Naval Research Principal Research Computing Resources As of 1/1/07: small self-administered Linux cluster As of 3/15/07: mid-sized, centrally administered Linux cluster As of 5/20/08: 12.5% ownership stake in palmetto condo cluster 15-fold/100-fold increase in capabilities in less than 18 months

3. 3 Research in Wireless Communication Systems Topics of Research Decoding of FEC codes, equalization, acquisition and tracking Extraction of metrics at receiver for use in higher protocol layers Adaptive transmission protocols Principal tools for performance evaluation Time-based link simulations using high-fidelity bit-level models Numerical analysis techniques Mode of utilization of computing resources : HTC As many as 250 independent jobs running concurrently Each job runs 10 mins to 2 days, produces one data point Impact of increased computing resources Ability to examine much larger number of design alternatives Ability to evaluate designs over wider range of parameter values

4. 4 Research in Mobile Ad Hoc Wireless Networks Topics of Research Cross-layer protocol design for decentralized networks Routing protocols, channel-access protocols Use of receiver metrics in cross-layer protocols Principal tools for performance evaluation Event-based network simulations with moderate-fidelity link models Hybrid event/time-based simulations with high-fidelity bit-level models Mode of utilization of computing resources : HTC As many as 200 independent jobs running concurrently Each job runs 1-8 hours, produces one data point Impact of increased computing resources Ability to examine much larger number of design alternatives Ability to employ higher-fidelity model of link environment

5. 5 Research in Applied Electromagnetics Topics of Research Antenna design for mobile wireless communications Fundamental problems in computational electromagnetics Electromagnetic compatibility/electromagnetic interference Principal tools for performance evaluation Numerical analysis using FDTD, FEM, MoM, genetic algorithms Future parallelized code for some problems of interest Mode of utilization of computing resources : HTC, future HPC As many as 480 independent jobs running concurrently Each job runs 1-8 hours, produces a few data points Impact of increased computing resources Ability to examine much larger number of design alternatives Ability to evaluate higher-dimensional parameter space