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NTMS
2009
IEEE
16 years 1 months ago
Enhanced Fractional Frequency Reuse to Increase Capacity of OFDMA Systems
—Inter-cell interference (ICI) mitigation is always a big challenge issue in cellular systems. In this work we propose an Enhanced Fractional Frequency Reuse (EFFR) scheme combin...
Zheng Xie, Bernhard Walke
TSP
2008
178views more  TSP 2008»
15 years 6 months ago
Monte Carlo Methods for Channel, Phase Noise, and Frequency Offset Estimation With Unknown Noise Variances in OFDM Systems
In this paper, we address the problem of orthogonal frequency-division multiplexing (OFDM) channel estimation in the presence of phase noise (PHN) and carrier frequency offset (CFO...
F. Septier, Yves Delignon, A. Menhaj-Rivenq, Chris...
HIPC
2007
Springer
16 years 25 days ago
Self-optimization of Performance-per-Watt for Interleaved Memory Systems
- With the increased complexity of platforms coupled with data centers’ servers sprawl, power consumption is reaching unsustainable limits. Memory is an important target for plat...
Bithika Khargharia, Salim Hariri, Mazin S. Yousif
AHS
2006
IEEE
119views Hardware» more  AHS 2006»
16 years 22 days ago
Particle Swarm Optimization with Discrete Recombination: An Online Optimizer for Evolvable Hardware
Self-reconfigurable adaptive systems have the possibility of adapting their own hardware configuration. This feature provides enhanced performance and flexibility, reflected i...
Jorge Peña, Andres Upegui, Eduardo Sanchez
IPPS
2006
IEEE
16 years 21 days ago
Online strategies for high-performance power-aware thread execution on emerging multiprocessors
Granularity control is an effective means for trading power consumption with performance on dense shared memory multiprocessors, such as multi-SMT and multi-CMP systems. In this p...
Matthew Curtis-Maury, James Dzierwa, Christos D. A...