2007 search results - page 74 / 402 » SPECTRUM |
114
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ICC
2009
IEEE
15 years 7 months ago
2009
IEEE
—In this paper, we present a composite hypothesis testing approach for cooperative spectrum sensing. We derive the optimal likelihood ratio test (LRT) statistic based on the Neym...
112
Voted
INFOCOM
2009
IEEE
15 years 7 months ago
2009
IEEE
—In this paper we study the distributed multi-channel power allocation for spectrum sharing cognitive radio networks with QoS guarantee. We formulate this problem as a noncoopera...
97
Voted
CDC
2008
IEEE
15 years 7 months ago
2008
IEEE
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
99
Voted
CISS
2008
IEEE
15 years 7 months ago
2008
IEEE
—One of the major concerns of cognitive radios when used for secondary spectrum access is the potential of interfering primary users, considering especially that cognitive radios...
85
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GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
Abstract—In modern DSL networks, crosstalk among different lines (i.e., users) is the major source of performance degradation. Dynamic Spectrum Management (DSM) refers to a set o...