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2000
ACM
15 years 10 months ago
Hardware Prediction for Data Coherency of Scientific Codes on DSM
This paper proposes a hardware mechanism for reducing coherency overhead occurring in scientific computations within DSM systems. A first phase aims at detecting, in the address s...
Jean-Thomas Acquaviva, William Jalby
NOSSDAV
1995
Springer
15 years 10 months ago
Meeting Arbitrary QoS Constraints Using Dynamic Rate Shaping of Coded Digital Video
Abstract. We introduce the concept of Dynamic Rate Shaping, a technique to adapt the rate ofcompressed video bitstreams MPEG-1, MPEG2, H.261, as well as JPEG to dynamically varyi...
Alexandros Eleftheriadis, Dimitris Anastassiou
GLOBECOM
2007
IEEE
15 years 6 months ago
A Gray-Code Type Bit Assignment Algorithm for Unitary Space-Time Constellations
Abstract— Many techniques for constructing unitary spacetime constellations have been proposed. To minimize bit-error rate (BER) in a wireless communication system, constellation...
Adam Panagos, Kurt L. Kosbar
CORR
2006
Springer
94views Education» more  CORR 2006»
15 years 6 months ago
Cooperative Lattice Coding and Decoding
We propose novel lattice coding/decoding schemes for half-duplex outage-limited cooperative channels. These schemes are inspired by the cooperation protocols of Azarian et al. and ...
Arul D. Murugan, Kambiz Azarian, Hesham El Gamal
NPC
2010
Springer
15 years 5 months ago
Exposing Tunable Parameters in Multi-threaded Numerical Code
Achieving high performance on today’s architectures requires careful orchestration of many optimization parameters. In particular, the presence of shared-caches on multicore arch...
Apan Qasem, Jichi Guo, Faizur Rahman, Qing Yi