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JSAC
2011
13 years 3 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
JCST
2010
13 years 2 months ago
2010
In this paper we introduce an architecture for a multi-key pirate decoder which employs decryption keys from multiple traitors. The decoder has built-in monitoring and self protect...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
A weighted sum-rate maximization problem is considered for an access point (AP) allocating resources to wireless cognitive radios (CRs) communicating using orthogonal frequency-di...
SAINT
2007
IEEE
14 years 2 months ago
2007
IEEE
While by now feasible solutions to protect privacy for complex ubiquitous applications are available, very small devices, called context transponders (CTP) still lack resources to...
ISM
2006
IEEE
14 years 2 months ago
2006
IEEE
The emergence of online digital media sales services has given rise to the issue of online digital rights management (DRM). This paper presents a novel approach to online digital ...