797 search results - page 28 / 160 » Towards a Generalized Interaction Scheme for Information Acc... |
CORR
2006
Springer
13 years 9 months ago
2006
Springer
For a fading Gaussian multiple access channel with user cooperation, we obtain the optimal power allocation policies that maximize the rates achievable by block Markov superpositi...
MOBISYS
2004
ACM
14 years 9 months ago
2004
ACM
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
CCS
2009
ACM
14 years 4 months ago
2009
ACM
We propose a proximity-based access control scheme for implantable medical devices (IMDs). Our scheme is based on ultrasonic distancebounding and enables an implanted medical devi...
CRYPTO
2012
Springer
12 years 6 days ago
2012
Springer
A secret-sharing scheme realizes a graph if every two vertices connected by an edge can reconstruct the secret while every independent set in the graph does not get any informatio...
QOFIS
2000
Springer
14 years 1 months ago
2000
Springer
Many distributed multimedia applications have the ability to adapt to uctuations in the network conditions. By adjusting temporal and spatial quality to available bandwidth, or man...