Sciweavers

2957 search results - page 354 / 592
» The Complexity of Polynomial-Time Approximation
Sort
View
DSN
2007
IEEE
16 years 27 days ago
On the Cost of Modularity in Atomic Broadcast
Modularity is a desirable property of complex software systems, since it simplifies code reuse, verification, maintenance, etc. However, the use of loosely coupled modules intro...
Olivier Rütti, Sergio Mena, Richard Ekwall, A...
ICC
2007
IEEE
134views Communications» more  ICC 2007»
16 years 27 days ago
DVB Detector for Cognitive Radio
—Cognitive radio (CR) is seen as one of the revolutionary techniques for future spectrum utilization. The first and probably the most challenging task for CR is to detect/sense t...
Loo Peng Goh, Zhongding Lei, Francois P. S. Chin
ICC
2007
IEEE
16 years 27 days ago
Non-Data Aided Symbol Timing Estimation in MIMO Systems
—We present two Maximum Likelihood (ML) based estimators for Non-Data-Aided (NDA) symbol timing recovery in MIMO systems. These estimators are based on the classical Unconditiona...
Ketan Rajawat, Ajit K. Chaturvedi
AVSS
2006
IEEE
16 years 19 days ago
A Random Field Model for Improved Feature Extraction and Tracking
This paper presents a novel method for illuminationinvariant and contrast preserving feature extraction, aimed at improving performance of tracking under complex light condition. ...
Xiaotong Yuan, Stan Z. Li
INFOCOM
2006
IEEE
16 years 18 days ago
Adaptive Admission Control Algorithm for Multiuser OFDMA Wireless Networks
—We propose a new adaptive admission control scheme for multiuser OFDMA systems to allocate wireless resource with low complexity. In this adaptive admission control scheme, the ...
Kyung-Ho Sohn, Jongkyung Kim, Tae Sung Kim, Young ...