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DCC
2006
IEEE
15 years 9 months ago
Analysis of Multiple Antenna Systems with Finite-Rate Feedback Using High Resolution Quantization Theory
This paper considers the development of a general framework for the analysis of transmit beamforming methods in multiple antenna systems with finite-rate feedback. Inspired by the...
Jun Zheng, Ethan R. Duni, Bhaskar D. Rao
OTM
2007
Springer
15 years 3 months ago
Improving on Version Stamps
Optimistic distributed systems often rely on version vectors or their variants in order to track updates on replicated objects. Some of these mechanisms rely on some form of global...
Paulo Sérgio Almeida, Carlos Baquero, Victo...
NIPS
2001
14 years 11 months ago
Spectral Relaxation for K-means Clustering
The popular K-means clustering partitions a data set by minimizing a sum-of-squares cost function. A coordinate descend method is then used to nd local minima. In this paper we sh...
Hongyuan Zha, Xiaofeng He, Chris H. Q. Ding, Ming ...
JCM
2007
78views more  JCM 2007»
14 years 9 months ago
Blind CFO Estimators for OFDM/OQAM Systems With Null Subcarriers
— This paper deals with the problem of blind carrier-frequency offset (CFO) estimation in OFDM systems based on offset quadrature amplitude modulation (OFDM/OQAM) with null subca...
Tilde Fusco, Mario Tanda
AI
1998
Springer
14 years 9 months ago
Worst-Case Analysis of the Perceptron and Exponentiated Update Algorithms
The absolute loss is the absolute difference between the desired and predicted outcome. This paper demonstrates worst-case upper bounds on the absolute loss for the Perceptron le...
Tom Bylander