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ICC
2008
IEEE
148views Communications» more  ICC 2008»
14 years 2 months ago
Analysis of Differential Unitary Space-Time Modulation over Non-Identical MIMO Channels
Abstract— We present an analytical study on the error performance of differential unitary space-time modulation (DUSTM) over multiple-input multiple-output (MIMO) channels with n...
Meixia Tao
ICRA
2006
IEEE
116views Robotics» more  ICRA 2006»
14 years 2 months ago
Transport of an Object by six pre-attached Robots interacting via Physical Links
— This paper addresses the cooperative transport of a heavy object by a group of mobile robots. We present a system in which group members lacking knowledge about the position of...
Roderich Groß, Francesco Mondada, Marco Dori...
VRST
2006
ACM
14 years 2 months ago
Utilizing jump flooding in image-based soft shadows
This paper studies the usage of the GPU as a collection of groups of related processing units, where each group communicates in some way to complete a computation efficiently and...
Guodong Rong, Tiow Seng Tan
HICSS
2005
IEEE
143views Biometrics» more  HICSS 2005»
14 years 1 months ago
An Experimental Investigation of Location-Based Services
Whereas the conventional applications mostly assume stationary or fixed users, more and more emphasis is placed on mobility, the need for people to stay connected while moving aro...
Iris A. Junglas
COMPGEOM
2004
ACM
14 years 1 months ago
Computing persistent homology
We show that the persistent homology of a filtered ddimensional simplicial complex is simply the standard homology of a particular graded module over a polynomial ring. Our analy...
Afra Zomorodian, Gunnar Carlsson