43 search results - page 4 / 9 » Spectrum Leasing via Distributed Cooperation in Cognitive Ra... |
MOBICOM
2009
ACM
14 years 5 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
CISS
2008
IEEE
14 years 5 months ago
2008
IEEE
Cognitive radio is a desirable technique for secondary users to utilize the spectrum gray space. In order to avoid intolerable interference to primary users, the transmission powe...
CORR
2006
Springer
13 years 11 months ago
2006
Springer
Abstract-- In this work, we propose a game theoretic framework to analyze the behavior of cognitive radios for distributed adaptive channel allocation. We define two different obje...
CORR
2010
Springer
13 years 11 months ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
INFOCOM
2009
IEEE
14 years 5 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...