137 search results - page 20 / 28 » Enforcing dynamic spectrum access with spectrum permits |
ICCCN
2007
IEEE
15 years 4 months ago
2007
IEEE
To improve spectrum efficiency, future wireless devices will use cognitive radios to dynamically access spectrum. While offering great flexibility and softwarereconfigurability...
VTC
2006
IEEE
15 years 4 months ago
2006
IEEE
— In this paper, we evaluate a cognitive radio transceiver employing both non-contiguous multicarrier modulation (NC-MCM) and adaptive bit allocation. Although NCMCM and bit allo...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
NIPS
2003
14 years 11 months ago
2003
What happens to the optimal interpretation of noisy data when there exists more than one equally plausible interpretation of the data? In a Bayesian model-learning framework the a...
ISCA
2007
IEEE
15 years 4 months ago
2007
IEEE
Store misses cause significant delays in shared-memory multiprocessors because of limited store buffering and ordering constraints required for proper synchronization. Today, prog...