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Dan Noneaker Holcombe Dept. of Electrical and Computer Engineering

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. HPC/HTC in Wireless Communications Research. Areas of Research Wireless communication systems

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Dan Noneaker Holcombe Dept. of Electrical and Computer Engineering

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  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. 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. 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. 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. 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

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