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WWW
2007
ACM
14 years 8 months ago
Improving the Performance of Online Auctions Through Server-side Activity-based Caching
Online auction sites have very specific workloads and user behavior characteristics. Previous studies on workload characterization conducted by the authors showed that i) bidding a...
Daniel A. Menascé, Vasudeva Akula
CLUSTER
2004
IEEE
13 years 11 months ago
Improved message logging versus improved coordinated checkpointing for fault tolerant MPI
Fault tolerance is a very important concern for critical high performance applications using the MPI library. Several protocols provide automatic and transparent fault detection a...
Pierre Lemarinier, Aurelien Bouteiller, Thomas H&e...
ICC
2007
IEEE
114views Communications» more  ICC 2007»
14 years 2 months ago
Hierarchical and Breathing Peer-to-Peer SIP System
—The combination of the SIP-based service and Peer-to-Peer (P2P) can improve the performance of traditional client-server SIP system. However, current P2P SIP systems have many d...
Lifeng Le, Geng-Sheng Kuo
VTC
2008
IEEE
127views Communications» more  VTC 2008»
14 years 2 months ago
A Low-Complexity Precoder for Large Multiuser MISO Systems
—In this paper, we consider the problem of precoding in large multiuser MISO systems, where by ‘large’ we mean i) large number of transmit antennas (Nt) at the base station o...
Saif K. Mohammed, Ananthanarayanan Chockalingam, B...
GLOBECOM
2006
IEEE
14 years 2 months ago
A Simple Improvement to the Viterbi and Viterbi Monomial-Based Phase Estimators
Abstract—It is well known that the Viterbi and Viterbi MonomialBased Phase Estimator, which includes the Mth Power Estimator, performs poorly for cross QAM signals. However, it i...
Kenneth V. Cartwright, Edit J. Kaminsky