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» On Minimum Circular Arrangement
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COMPGEOM
2000
ACM
15 years 8 months ago
When crossings count - approximating the minimum spanning tree
We present an (1+ε)-approximation algorithm for computing the minimum-spanning tree of points in a planar arrangement of lines, where the metric is the number of crossings betwee...
Sariel Har-Peled, Piotr Indyk
3DIM
2001
IEEE
15 years 8 months ago
A Laser Range Scanner Designed for Minimum Calibration Complexity
Laser range scanners are a popular method for acquiring three-dimensional geometry due to their accuracy and robustness. Maximizing scanner accuracy while minimizing engineering c...
James Davis, Xing Chen
PIMRC
2008
IEEE
15 years 10 months ago
The design and detection of signature sequences in time-frequency selective channel
Abstract— In a slot-synchronized wireless communication system, a set of signature sequences can be derived by circularly shifting a base sequence with good auto correlation prop...
Jiann-Ching Guey
MICAI
2005
Springer
15 years 9 months ago
A Comparison of Memetic Recombination Operators for the MinLA Problem
In this paper the Minimum Linear Arrangement (MinLA) problem is studied within the framework of memetic algorithms (MA). A new dedicated recombination operator called Trajectory Cr...
Eduardo Rodriguez-Tello, Jin-Kao Hao, Jose Torres-...
TSP
2010
14 years 11 months ago
Channel estimation in wireless OFDM systems with irregular pilot distribution
Abstract--This paper addresses pilot-assisted channel estimation for wireless orthogonal frequency division multiplexing (OFDM) systems with irregular pilot arrangements. Using non...
Peter Fertl, Gerald Matz