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TWC
2008
113views more  TWC 2008»
14 years 9 months ago
OFDM Carrier Synchronization Based on Time-Domain Channel Estimates
Carrier frequency synchronization is critical to the quality of signal reception in OFDM systems. This paper presents an approximate maximum-likelihood (ML) carrier frequency offse...
Hao Zhou, Amaresh V. Malipatil, Yih-Fang Huang
TSP
2008
81views more  TSP 2008»
14 years 9 months ago
Subspace Beamforming for Near-Capacity MIMO Performance
A subspace beamforming method is presented that decomposes a MIMO channel into multiple pairs of subchannels. The pairing is done based on singular values such that similar channel...
Sirikiat Lek Ariyavisitakul, Jun Zheng, E. Ojard, ...
ML
2008
ACM
174views Machine Learning» more  ML 2008»
14 years 9 months ago
ALLPAD: approximate learning of logic programs with annotated disjunctions
In this paper we present the system ALLPAD for learning Logic Programs with Annotated Disjunctions (LPADs). ALLPAD modifies the previous system LLPAD in order to tackle real world ...
Fabrizio Riguzzi
ML
2008
ACM
14 years 9 months ago
Large margin vs. large volume in transductive learning
Abstract. We consider a large volume principle for transductive learning that prioritizes the transductive equivalence classes according to the volume they occupy in hypothesis spa...
Ran El-Yaniv, Dmitry Pechyony, Vladimir Vapnik
ICASSP
2008
IEEE
15 years 4 months ago
An improved SNR estimator for speech enhancement
In this paper, we propose an MMSE a priori SNR estimator for speech enhancement. This estimator has similar benefits to the well-known decision-directed approach, but does not req...
Yao Ren, Michael T. Johnson