683 search results - page 6 / 137 » Hierarchical spacetime control |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—A new 4 × 1 scheme of transmitting two real orthogonal space-time block codes (O-STBC) on the I- and Q-channels with pulse-shaped offset QAM is proposed. This scheme ac...
VISUALIZATION
2003
IEEE
14 years 18 days ago
2003
IEEE
We propose Unsteady Flow Advection–Convolution (UFAC) as a novel visualization approach for unsteady flows. It performs time evolution governed by pathlines, but builds spatial...
GLOBECOM
2009
IEEE
13 years 5 months ago
2009
IEEE
Due to the limited energy supplies of nodes in many applications like wireless sensor networks, energy efficiency is crucial for extending the lifetime of these networks. This pape...
CVPR
2010
IEEE
13 years 11 months ago
2010
IEEE
We present an efficient and scalable technique for spatiotemporal segmentation of long video sequences using a hierarchical graph-based algorithm. We begin by oversegmenting a vol...
WIOPT
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper presents the first analytical model for ad hoc networks equipped with multiple-input multiple-output (MIMO) radios using space-time coding (STC) that considers the ...