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GLOBECOM
2007
IEEE
15 years 11 months ago
Beamforming with Limited Feedback in Amplify-and-Forward Cooperative Networks
— A relay selection approach has previously been shown to outperform repetition-based scheduling for both amplify-and-forward (AF) and decode-and-forward (DF) cooperative network...
Yi Zhao, Raviraj Adve, Teng Joon Lim
GLOBECOM
2006
IEEE
15 years 10 months ago
Optimal Signaling for Single Transmit Antenna Selection with Erroneous Feedback
We consider a MIMO system where error-prone feedback from the receiver is used by the transmitter to select a single optimum antenna to transmit data. Such error-prone feedback is...
Yabo Li, Neelesh B. Mehta, Andreas F. Molisch, Jin...
ATAL
2008
Springer
15 years 6 months ago
Does the contingency of agents' nonverbal feedback affect users' social anxiety?
We explored the association between users' social anxiety and the interactional fidelity of an agent (also referred to as a virtual human), specifically addressing whether th...
Sin-Hwa Kang, Jonathan Gratch, Ning Wang, James H....
JSAC
2008
94views more  JSAC 2008»
15 years 4 months ago
An overview of limited feedback in wireless communication systems
Abstract--It is now well known that employing channel adaptive signaling in wireless communication systems can yield large improvements in almost any performance metric. Unfortunat...
David James Love, Robert W. Heath Jr., Vincent K. ...
GRAPHICSINTERFACE
2011
14 years 8 months ago
Ubiquitous cursor: a comparison of direct and indirect pointing feedback in multi-display environments
Multi-display environments (MDEs) connect several displays into a single digital workspace. One of the main problems to be solved in an MDE’s design is how to enable movement of...
Robert Xiao, Miguel A. Nacenta, Regan L. Mandryk, ...