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QUESTA
2010
107views more  QUESTA 2010»
14 years 11 months ago
On the inapproximability of M/G/K: why two moments of job size distribution are not enough
The M/G/K queueing system is one of the oldest model for multi-server systems, and has been the topic of performance papers for almost half a century. However, even now, only coar...
Varun Gupta, Mor Harchol-Balter, J. G. Dai, Bert Z...
QUESTA
2010
131views more  QUESTA 2010»
14 years 11 months ago
Asymptotically optimal parallel resource assignment with interference
Motivated by scheduling in cellular wireless networks and resource allocation in computer systems, we study a service facility with two classes of users having heterogeneous servi...
Maaike Verloop, R. Núñez Queija
104
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SCN
2010
Springer
145views Communications» more  SCN 2010»
14 years 11 months ago
Distributed Private-Key Generators for Identity-Based Cryptography
An identity-based encryption (IBE) scheme can greatly reduce the complexity of sending encrypted messages. However, an IBE scheme necessarily requires a private-key generator (PKG)...
Aniket Kate, Ian Goldberg
TCOM
2010
99views more  TCOM 2010»
14 years 11 months ago
Code design for MIMO downlink with imperfect CSIT
—In this letter, we implement a simplified version of the Cover - van der Meulen - Hajek - Pursley (CMHP) coding originally characterized by Wajcer, Wiesel, and Shamai. The vect...
Hyung-Tae Kim, Sung Hoon Lim, Inkyu Lee, Saejoon K...
99
Voted
TPDS
2010
135views more  TPDS 2010»
14 years 11 months ago
Maximizing Service Reliability in Distributed Computing Systems with Random Node Failures: Theory and Implementation
—In distributed computing systems (DCSs) where server nodes can fail permanently with nonzero probability, the system performance can be assessed by means of the service reliabil...
Jorge E. Pezoa, Sagar Dhakal, Majeed M. Hayat