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PODS
2007
ACM
107views Database» more  PODS 2007»
16 years 6 months ago
Polynomial time fragments of XPath with variables
Variables are the distinguishing new feature of XPath 2.0 which permits to select n-tuples of nodes in trees. It is known that the Core of XPath 2.0 captures n-ary first-order (FO...
Emmanuel Filiot, Joachim Niehren, Jean-Marc Talbot...
BROADNETS
2007
IEEE
16 years 5 days ago
Practical time synchronization for Bluetooth Scatternets
Abstract— By means of so-called Scatternets, Bluetooth provides the ability to construct robust wireless multi-hop networks. In this paper we propose a practical protocol for tim...
Matthias Ringwald, Kay Römer
ECRTS
2007
IEEE
16 years 4 days ago
Integrating Hard/Soft Real-Time Tasks and Best-Effort Jobs on Multiprocessors
We present a multiprocessor scheduling framework for integrating hard and soft real-time tasks and best-effort jobs. This framework allows for full system utilization, and ensures...
Björn B. Brandenburg, James H. Anderson
ISCAS
2007
IEEE
138views Hardware» more  ISCAS 2007»
16 years 3 days ago
A High-Speed Delta-Sigma Modulator with Relaxed DEM Timing Requirement
Abstract—This paper presents a high-speed digital feedforward Delta-Sigma Modulator which relaxes timing requirement for the Dynamic Element Matching (DEM) algorithm. By making t...
Sunwoo Kwon, Un-Ku Moon
ISCAS
2007
IEEE
89views Hardware» more  ISCAS 2007»
16 years 3 days ago
Generalized Blind Mismatch Correction for a Two-Channel Time-Interleaved ADC: Analytic Approach
—Time-interleaved analog-to-digital converters (TIADC) require mismatch calibration to achieve high signal-to-noise ratios. In this paper, we present a new blind technique for M=...
Munkyo Seo, Mark J. W. Rodwell