MOBICOM
2010
ACM
13 years 4 months ago
2010
ACM
Information on site-specific spectrum characteristics is essential to evaluate and improve the performance of wireless networks. However, it is usually very costly to obtain accur...
NSDI
2010
13 years 6 months ago
2010
GLOBECOM
2007
IEEE
13 years 6 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...
DAC
2005
ACM
13 years 6 months ago
2005
ACM
The cellular wireless market has begun the transition to data centric services including high speed internet access, video, high quality audio, and gaming. Communications technolo...
HOA
1993
13 years 8 months ago
1993
Abstract. The Spectrum project concentrates on the process of developing well-structured, precise system speci cations. Spectrum is a speci cation language, with a deduction calcul...
MSWIM
2009
ACM
13 years 9 months ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
WOWMOM
2005
ACM
13 years 10 months ago
2005
ACM
Recent advances in Software Defined Radio (SDR), wide band spectrum sensing, and environment aware real-time spectrum allocation [13, 10, 4] show promise of enabling the new para...
VTC
2007
IEEE
13 years 10 months ago
2007
IEEE
— With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilization by letting users sense and utilize available spec...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—Limited spectrum resources, inefficient spectrum usage and increasing wireless communication necessitates a paradigm shift from the current fixed spectrum management policy to...