13 search results - page 2 / 3 » Interference Reduction by Beamforming in Cognitive Networks |
124
click to vote
TSP
2012
13 years 7 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
GLOBECOM
2008
IEEE
15 years 20 days ago
2008
IEEE
—The proliferation of wireless systems requires that the coexistence between heterogeneous technologies be addressed. This paper presents a cognitive framework in which sensingba...
CORR
2010
Springer
14 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...
111
click to vote
WCNC
2010
IEEE
14 years 10 months ago
2010
IEEE
—With the ever increasing interest in multiple-input multiple-output (MIMO) cognitive radio (CR) systems, reducing the costs associated with RF-chains at the radio front end beco...
CORR
2007
Springer
14 years 11 months ago
2007
Springer
— We analyze the feasibility of distributed spatial multiplexing with limited feedback in a slow-fading interference network with MN non-cooperating single-antenna sources and M ...