148 search results - page 6 / 30 » Spectrum Sensing in Wideband OFDM Cognitive Radios |
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper we present the design process of an orthogonal frequency division multiplexing (OFDM) implementation for the Kansas University Agile Radio (KUAR). The KUAR is a porta...
MONET
2008
13 years 8 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...
GLOBECOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract--Cognitive radio networks require fast and reliable spectrum sensing to achieve high network utilization by secondary users. Current optimization approaches to spectrum se...
CORR
2010
Springer
13 years 3 months ago
2010
Springer
This paper considers cooperative spectrum sensing in Cognitive Radios. In our previous work we have developed DualSPRT, a distributed algorithm for cooperative spectrum sensing usi...
ISCAS
2007
IEEE
14 years 2 months ago
2007
IEEE
—A parallel, multi-resolution spectrum sensing technique that is amenable to multiple-antenna cognitive radios is introduced. We show that for energy-detector-type spectrum senso...