9 search results - page 1 / 2 » On MIMO Cognitive Radios with Antenna Selection |
WCNC
2010
IEEE
13 years 3 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...
MONET
2008
13 years 4 months ago
2008
This paper presents the performance comparison of efficiency. OFDM is well known as a spectrally efficient Cognitive Radio TDCS and OFDM based for MIMO system modulation mode which...
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...
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— According to the cognitive radio paradigm, a terminal or subsystem will opportunistically select a frequency band for data transmission. Because the spectrum is shared,...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...