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PIMRC
2008
IEEE
14 years 5 months ago
Signal space diversity for spatial multiplexing
— When channel state information is available at the transmitter, we can diagonalize a MIMO channel with SVD transceivers. However, outage of the weaker eigenchannels limits the ...
Gajanana Krishna, Kothapalli V. Srinivas, Srikrish...
SACMAT
2004
ACM
14 years 4 months ago
Role-based access control in ambient and remote space
In the era of Ubiquitous Computing and world–wide data transfer mobility, as an innovative aspect of professional activities, imposes new and complex problems of mobile and dist...
Horst Wedde, Mario Lischka
3DPVT
2002
IEEE
172views Visualization» more  3DPVT 2002»
14 years 3 months ago
Browsing 3-D spaces with 3-D vision: body-driven navigation through the Internet city
This paper presents a computer vision stereo based interface to navigate inside a 3-D Internet city, using body gestures. A wide-baseline stereo pair of cameras is used to obtain ...
Flavia Sparacino, Christopher Richard Wren, Ali Az...
ISWC
1998
IEEE
14 years 2 months ago
Augment-able Reality: Situated Communication through Physical and Digital Spaces
Most existing augmented reality systems only provide a method for browsing information that is situated in the real world context. This paper describes a system that allows users ...
Jun Rekimoto, Yuji Ayatsuka, Kazuteru Hayashi
CISS
2008
IEEE
14 years 20 days ago
An efficient adaptive distributed space time coding scheme for cooperative relaying
A non-regenerative dual-hop wireless system based on distributed Alamouti space-time coding is considered. It is assumed that each relay retransmits an appropriately scaled space-t...
Jamshid Abouei, Hossein Bagheri, Amir K. Khandani