490 search results - page 7 / 98 » Changing the Channel |
SPC
2005
Springer
14 years 1 months ago
2005
Springer
In pervasive computing environments, changes in context may trigger changes in an individual’s access permissions. We contend that existing access control frameworks do not provi...
CCS
2007
ACM
14 years 1 months ago
2007
ACM
The detection of covert timing channels is of increasing interest in light of recent practice on the exploitation of covert timing channels over the Internet. However, due to the ...
JSAC
2011
13 years 2 months ago
2011
Abstract—In decentralized cognitive radio (CR) networks, enabling the radios to establish a control channel (i.e., “rendezvous” to establish a link) is a challenging problem....
NIPS
2003
13 years 9 months ago
2003
Spike timing plasticity (STDP) is a special form of synaptic plasticity where the relative timing of post- and presynaptic activity determines the change of the synaptic weight. O...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
—We propose a new scheme for limited feedback in MIMO systems. We consider transmit beamforming and receiver maximal ratio combining as a base for our work, and propose a novel b...