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ICC
2007
IEEE
153views Communications» more  ICC 2007»
15 years 11 months ago
A Novel Blind Channel Estimation for CP-Based MIMO OFDM Systems
— In this paper, we consider the problem of blind channel estimation for multi-input, multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems via second ord...
Feifei Gao, Wenyuan Wu, Yonghong Zeng, Arumugam Na...
GECCO
2007
Springer
175views Optimization» more  GECCO 2007»
15 years 11 months ago
On the constructiveness of context-aware crossover
Crossover in Genetic Programming is mostly a destructive operator, generally producing children worse than the parents and occasionally producing those who are better. A recently ...
Hammad Majeed, Conor Ryan
ADC
2004
Springer
87views Database» more  ADC 2004»
15 years 10 months ago
On the Computation of Approximations of Database Queries
Reflective Relational Machines were introduced by S. Abiteboul, C. Papadimitriou and V. Vianu in 1994, as variations of Turing machines which are suitable for the computation of ...
Flavio Antonio Ferrarotti, Jose Maria Turull Torre...
CCS
2004
ACM
15 years 10 months ago
Lessons learned using alloy to formally specify MLS-PCA trusted security architecture
In order to solve future Multi Level Security (MLS) problems, we have developed a solution based on the DARPA Polymorphous Computing Architecture (PCA). MLS-PCA uses a novel distr...
Brant Hashii
MM
2003
ACM
205views Multimedia» more  MM 2003»
15 years 10 months ago
AVE: automated home video editing
In this paper, we present a system that automates home video editing. This system automatically extracts a set of highlight segments from a set of raw home videos and aligns them ...
Xian-Sheng Hua, Lie Lu, HongJiang Zhang