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ICC
2008
IEEE
141views Communications» more  ICC 2008»
15 years 8 months ago
Multilevel Structured Low-Density Parity-Check Codes
— Low-Density Parity-Check (LDPC) codes are typically characterized by a relatively high-complexity description, since a considerable amount of memory is required in order to sto...
Nicholas Bonello, Sheng Chen, Lajos Hanzo
ICC
2008
IEEE
136views Communications» more  ICC 2008»
15 years 8 months ago
New Beamforming Schemes with Optimum Receive Combining for Multiuser MIMO systems
— In this paper, we present a new beamforming scheme for a downlink of multiuser multiple-input multipleoutput (MIMO) communication systems. Recently, a blockdiagonalization (BD)...
Sang-Rim Lee, Seokhwan Park, Sung Hyun Moon, Inkyu...
IPPS
2008
IEEE
15 years 8 months ago
Modeling and predicting application performance on parallel computers using HPC challenge benchmarks
A method is presented for modeling application performance on parallel computers in terms of the performance of microkernels from the HPC Challenge benchmarks. Specifically, the a...
Wayne Pfeiffer, Nicholas J. Wright
WCNC
2008
IEEE
15 years 8 months ago
Performance Improvement for Multichannel HARQ Protocol in Next Generation WiMAX System
Hybrid automatic repeat-request (HARQ) is critical to an IEEE 802.16e OFDMA network, as it can significantly improve the reliability of wireless link. However, as revealed by our...
Zhifeng Tao, Anfei Li, Jinyun Zhang, Toshiyuki Kuz...
CGO
2007
IEEE
15 years 8 months ago
Microarchitecture Sensitive Empirical Models for Compiler Optimizations
This paper proposes the use of empirical modeling techniques for building microarchitecture sensitive models for compiler optimizations. The models we build relate program perform...
Kapil Vaswani, Matthew J. Thazhuthaveetil, Y. N. S...