Sciweavers

TCOM
2008
105views more  TCOM 2008»
13 years 5 months ago
High-rate diversity across time and frequency using linear dispersion
To improve performance of orthogonal frequency division multiplexing (OFDM) for fading channels, this paper proposes increasing frequency and time diversity using linear dispersion...
Jinsong Wu, Steven D. Blostein
TASLP
2008
105views more  TASLP 2008»
13 years 5 months ago
Optimizing the Performance of Spoken Language Recognition With Discriminative Training
The performance of spoken language recognition system is typically formulated to reflect the detection cost and the strategic decision points along the detection-error-tradeoff cur...
Donglai Zhu, Haizhou Li, Bin Ma, Chin-Hui Lee
SP
2008
IEEE
138views Security Privacy» more  SP 2008»
13 years 5 months ago
A performance tuning methodology with compiler support
We have developed an environment, based upon robust, existing, open source software, for tuning applications written using MPI, OpenMP or both. The goal of this effort, which inte...
Oscar Hernandez, Barbara M. Chapman, Haoqiang Jin
SOCO
2008
Springer
13 years 5 months ago
Controlling the Performance Overhead of Component-Based Systems
Flexibility can significantly impact performance. Some component-based frameworks come with a near to zero overhead but provide only build-time configurability. Other solutions pro...
Olivier Lobry, Juraj Polakovic
SIGMETRICS
2008
ACM
13 years 5 months ago
An SLA perspective on the router buffer sizing problem
In this paper, we discuss recent work on buffer sizing in the context of an ISP's need to offer and guarantee competitive Service Level Agreements (SLAs) to its customers. Si...
Joel Sommers, Paul Barford, Albert G. Greenberg, W...
SIGMETRICS
2008
ACM
150views Hardware» more  SIGMETRICS 2008»
13 years 5 months ago
Performance of random medium access control, an asymptotic approach
Random Medium-Access-Control (MAC) algorithms have played an increasingly important role in the development of wired and wireless Local Area Networks (LANs) and yet the performanc...
Charles Bordenave, David McDonald, Alexandre Prout...
SIGMETRICS
2008
ACM
161views Hardware» more  SIGMETRICS 2008»
13 years 5 months ago
Bound analysis of closed queueing networks with workload burstiness
Burstiness and temporal dependence in service processes are often found in multi-tier architectures and storage devices and must be captured accurately in capacity planning models...
Giuliano Casale, Ningfang Mi, Evgenia Smirni
SIGMETRICS
2008
ACM
106views Hardware» more  SIGMETRICS 2008»
13 years 5 months ago
Performance bounds for peer-assisted live streaming
Peer-assisted streaming is a promising way for service providers to offer high-quality IPTV to consumers at reasonable cost. In peerassisted streaming, the peers exchange video ch...
Shao Liu, Rui Zhang-Shen, Wenjie Jiang, Jennifer R...
SIGMETRICS
2008
ACM
13 years 5 months ago
Ironmodel: robust performance models in the wild
Traditional performance models are too brittle to be relied on for continuous capacity planning and performance debugging in many computer systems. Simply put, a brittle model is ...
Eno Thereska, Gregory R. Ganger
SIGIR
2008
ACM
13 years 5 months ago
User adaptation: good results from poor systems
Several recent studies have found only a weak relationship between the performance of a retrieval system and the "success" achievable by human searchers. We hypothesize ...
Catherine L. Smith, Paul B. Kantor