137 search results - page 8 / 28 » Enforcing dynamic spectrum access with spectrum permits |
CORR
2011
Springer
14 years 5 months ago
2011
Springer
—We propose a dynamic spectrum access scheme where secondary users recommend “good” channels to each other and access accordingly. We formulate the problem as an average rewa...
ICC
2009
IEEE
15 years 5 months ago
2009
IEEE
— In this paper, we present an analytical model as well as a practical mechanism to detect denial of service (DoS) attacks on secondary users in dynamic spectrum access (DSA) net...
MOBICOM
2009
ACM
15 years 4 months ago
2009
ACM
In November 2008, the FCC ruled that the digital TV whitespaces be used for unlicensed access. This is an exciting development because DTV whitespaces are in the low frequency ran...
ICNP
2009
IEEE
15 years 5 months ago
2009
IEEE
—Accurate sensing of the spectrum condition is of crucial importance to the mitigation of the spectrum scarcity problem in dynamic spectrum access (DSA) networks. Specifically, ...
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TWC
2008
14 years 10 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...