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INFOCOM
2010
IEEE
13 years 6 months ago
Coupled 802.11 Flows in Urban Channels: Model and Experimental Evaluation
Abstract—Contending flows in multi-hop 802.11 wireless networks compete with two fundamental asymmetries: (i) channel asymmetry, in which one flow has a stronger signal, potent...
Joseph Camp, Ehsan Aryafar, Edward W. Knightly
SIGCOMM
2004
ACM
14 years 1 months ago
An algebraic approach to practical and scalable overlay network monitoring
Overlay network monitoring enables distributed Internet applications to detect and recover from path outages and periods of degraded performance within seconds. For an overlay net...
Yan Chen, David Bindel, Han Hee Song, Randy H. Kat...
TCAD
2008
88views more  TCAD 2008»
13 years 7 months ago
Self-Adaptive Data Caches for Soft-Error Reliability
Soft-error induced reliability problems have become a major challenge in designing new generation microprocessors. Due to the on-chip caches' dominant share in die area and tr...
Shuai Wang, Jie S. Hu, Sotirios G. Ziavras
ICWS
2009
IEEE
14 years 4 months ago
Adaptive Prefetching Scheme Using Web Log Mining in Cluster-Based Web Systems
The main memory management has been a critical issue to provide high performance in web cluster systems. To overcome the speed gap between processors and disks, many prefetch sche...
Heung Ki Lee, Baik Song An, Eun Jung Kim
ICC
2009
IEEE
101views Communications» more  ICC 2009»
13 years 5 months ago
Using Limited Feedback in Power Allocation Design for a Two-Hop Relay OFDM System
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...
Mahdi Hajiaghayi, Min Dong, Ben Liang