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TELSYS
2002
104views more  TELSYS 2002»
15 years 6 months ago
The Analysis of Queues with Time-Varying Rates for Telecommunication Models
Abstract. Time dependent behavior has an impact on the performance of telecommunication models. Examples include: staffing a call center, pricing the inventory of private line serv...
William A. Massey
TELSYS
2002
104views more  TELSYS 2002»
15 years 6 months ago
Quality of Service Management in GPRS-Based Radio Access Networks
Abstract. In this article, the performance and capacity gain achievable with quality of service (QoS) management in packet switched radio networks based on the General Packet Radio...
Peter Stuckmann
TIP
2002
129views more  TIP 2002»
15 years 6 months ago
A vision-based masking model for spread-spectrum image watermarking
Abstract-- We present a perceptual model for hiding a spreadspectrum watermark of variable amplitude and density in an image. The model takes into account the sensitivity and maski...
Martin Kutter, Stefan Winkler
TIT
2002
77views more  TIT 2002»
15 years 6 months ago
Capacity-achieving sequences for the erasure channel
Abstract-- This paper starts a systematic study of capacityachieving sequences of low-density parity-check codes for the erasure channel. We introduce a class Aof analytic function...
P. Oswald, A. Shokrollahi
TMI
2002
96views more  TMI 2002»
15 years 6 months ago
Time-Domain Reconstruction for Thermoacoustic Tomography in a Spherical Geometry
Abstract--Reconstruction-based microwave-induced thermoacoustic tomography in a spherical configuration is presented. Thermoacoustic waves from biological tissue samples excited by...
Minghua Xu, Lihong V. Wang