29908 search results - page 35 / 5982 » On the complexity of communication complexity |
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— This paper proposes a new QAM based codebook for beamforming in multiple-input multiple-output (MIMO) wireless systems with a limited-rate feedback channel. We show that such c...
GLOBECOM
2008
IEEE
13 years 10 months ago
2008
IEEE
—In this paper, we present a near ML-achieving sphere search technique that reduces the number of search operations significantly over existing sphere decoding (SD) algorithms. ...
CHI
2003
ACM
14 years 9 months ago
2003
ACM
We envision a future where each person will carry with them a personal universal controller (PUC), a portable computerized device that allows the user to control any appliance wit...
ICC
2009
IEEE
14 years 3 months ago
2009
IEEE
— By monitoring the exchanged IPsec traffic an adversary can usually easily discover the layout of virtual private networks (VPNs). Of even worse extend is the disclosure if com...
MMSP
2008
IEEE
14 years 3 months ago
2008
IEEE
—In many applications and environments for mobile communication there is a need for reference free perceptual quality measurements. In this paper a method for prediction of a num...