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MSWIM
2003
ACM
15 years 12 months ago
Adaptive range control using directional antennas in mobile ad hoc networks
This paper presents ARC (Adaptive Range Control), a communication range control mechanism using directional antennas to be implemented across multiple layers. ARC uses directional...
Mineo Takai, Junlan Zhou, Rajive Bagrodia
VLDB
1995
ACM
94views Database» more  VLDB 1995»
15 years 10 months ago
Value-cognizant Speculative Concurrency Control
We describe SCC-kS, a Speculative Concurrency Control (SCC) algorithm that allows a DBMS to use efficiently the extra computing resources available in the system to increase the l...
Azer Bestavros, Spyridon Braoudakis
ICIP
2010
IEEE
15 years 4 months ago
Geometric averaging of X-ray signals in automatic exposure control
Improper dose control in X-ray cardio-vascular systems leads to a reduced Signal-to-Noise Ratio (SNR) in regions of interest of the X-ray image. We aim at reducing the influence o...
Rudolph M. Snoeren, Peter H. N. de With
ICC
2000
IEEE
145views Communications» more  ICC 2000»
15 years 11 months ago
Carrier Frequency Offset Compensation for Uplink of OFDM-FDMA Systems
Abstract—A frequency offset compensation method for OFDMFDMA, that can correct offsets after the DFT via circular convolution, is proposed as an alternative to the direct method ...
Jihoon Choi, Yong Hoon Lee, Changoo Lee, Hae Won J...
DAC
2001
ACM
16 years 7 months ago
Transformations for the Synthesis and Optimization of Asynchronous Distributed Control
Asynchronous design has been the focus of renewed interest. However, a key bottleneck is the lack of high-quality CAD tools for the synthesis of large-scale systems which also all...
Michael Theobald, Steven M. Nowick