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ICC
2007
IEEE
118views Communications» more  ICC 2007»
15 years 9 months ago
Adaptive Data Transmission in Downlink MIMO-OFDM Systems with Pre-Equalization
Abstract— An optimization algorithm for finding user allocation, bit and power loading in the downlink of MIMO-OFDM systems is proposed. The algorithm represents a generalizatio...
Peter Trifonov, Elena Costa
AMC
2007
100views more  AMC 2007»
15 years 3 months ago
An alternative proof for the explicit equations of motion for mechanical systems with independent non-ideal constraints
An alternative proof for the explicit equations of motion for mechanical systems with independent non-ideal constraints is proposed in this paper. These equations are derived with...
Po Chih Chen, Chia-Ou Chang, W. T. Chang Chien
121
Voted
DISOPT
2008
99views more  DISOPT 2008»
15 years 2 months ago
Computing robust basestock levels
This paper considers how to optimally set the basestock level for a single buffer when demand is uncertain, in a robust framework. We present a family of algorithms based on decom...
Daniel Bienstock, Nuri Özbay
ITA
2002
105views Communications» more  ITA 2002»
15 years 2 months ago
Polypodic codes
Word and tree codes are studied in a common framework, that of polypodes which are sets endowed with a substitution like operation. Many examples are given and basic properties are...
Symeon Bozapalidis, Olympia Louscou-Bozapalidou
91
Voted
CCS
2010
ACM
15 years 9 months ago
Region-based BGP announcement filtering for improved BGP security
BGP prefix hijacking is a serious security threat on the Internet. In this paper we propose a region-based BGP announcement filtering scheme (RBF) to improve the BGP security. I...
Fernando Sanchez, Zhenhai Duan