39 search results - page 4 / 8 » MIMO cognitive radio: a game theoretical approach |
INFOCOM
2012
IEEE
11 years 7 months ago
2012
IEEE
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...
GLOBECOM
2009
IEEE
13 years 3 months ago
2009
IEEE
Primary user emulation attack in multichannel cognitive radio systems is discussed. An attacker is assumed to be able to send primary-user-like signals during spectrum sensing peri...
WASA
2010
Springer
13 years 3 months ago
2010
Springer
Abstract. It has been long recognized that the interference among concurrent wireless transmissions plays a crucial role in limiting the performance of wireless networks. Recently,...
TWC
2010
12 years 12 months ago
2010
Dynamic spectrum leasing (DSL) is one of the schemes proposed for dynamic spectrum sharing (DSS) in cognitive radio networks. In DSL, spectrum owners, denoted as primary users, dyn...
INFOCOM
2009
IEEE
13 years 12 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...