84 search results - page 2 / 17 » Proximity Sensing Using IEEE 802.15.4 Radios |
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— Cognitive radio has been recently proposed as a promising technology to improve the spectrum utilization efficiency by intelligently sensing and accessing some vacant bands of...
ISCAS
2007
IEEE
13 years 11 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...
ICASSP
2010
IEEE
13 years 4 months ago
2010
IEEE
— In cognitive radio, spectrum sensing is a key component to detect spectrum holes (i.e., channels not used by any primary users). Collaborative spectrum sensing among the cognit...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
We present a compressive wide-band spectrum sensing scheme for cognitive radios. The received analog signal at the cognitive radio sensing receiver is transformed in to a digital ...
WIOPT
2010
IEEE
13 years 3 months ago
2010
IEEE
In this paper, we propose a comprehensive probabilistic framework which can be used to model and analyze cognitive radio (CR) network using carrier sensing (CS) based multiple acc...