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TSP
2010
13 years 2 months ago
A nondata-aided SNR estimation technique for multilevel modulations exploiting signal cyclostationarity
Signal-to-noise ratio (SNR) estimators of linear modulation schemes usually operate at one sample per symbol at the matched filter output. In this paper we propose a new method for...
Jaume Riba, Javier Villares, Gregori Vázque...
ICC
2008
IEEE
122views Communications» more  ICC 2008»
14 years 2 months ago
Optimizing Adaptive Modulation in Wireless Networks via Utility Maximization
Abstract— We investigate adaptive modulation using the network utility maximization framework. We derive new crosslayer optimal power and rate adaptation policies for several pra...
Daniel O'Neill, Andrea J. Goldsmith, Stephen P. Bo...
ICIP
1997
IEEE
14 years 5 days ago
Subband Image Coding Using Cosine Modulated Filter Banks with Perfect Reconstruction and Linear Phase
lye propose a lossy image coding scheme based on the recently introduced even-stacked cosine modulated filter banks (CSIFBs) that allow linear phase filters in all channels. We des...
Helmut Bölcskei, T. Stranz, Franz Hlawatsch, ...
ICRA
2006
IEEE
77views Robotics» more  ICRA 2006»
14 years 2 months ago
Relative Localization and Communication Module for Small-scale Multi-robot Systems
— We characterize and improve an existing infrared relative localization/communication module used to find range and bearing between robots in small-scale multi-robot systems. M...
Jim Pugh, Alcherio Martinoli
POPL
2003
ACM
14 years 8 months ago
A type system for higher-order modules
We present a type theory for higher-order modules that accounts for many central issues in module system design, including translucency, applicativity, generativity, and modules a...
Derek Dreyer, Karl Crary, Robert Harper