SECON
2010
IEEE
13 years 10 months ago
2010
IEEE
Wireless communications over water may suffer from serious multipath fading due to strong specular reflections from conducting water surfaces. Cognitive radios enable dynamic spect...
VTC
2010
IEEE
13 years 10 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
JCM
2006
14 years 12 days ago
2006
Spectrum regulation will undergo elementary changes in the near future allowing a less restricted and more flexible access to radio spectrum. Intelligent radios, socalled cognitive...
JSAC
2008
14 years 12 days ago
2008
A cognitive radio can sense its environment and adapt some of its features, such as carrier frequency, transmission bandwidth, transmission power, and modulation, thus allowing dyn...
DAC
2005
ACM
14 years 2 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...
POLICY
2007
Springer
14 years 6 months ago
2007
Springer
Abstract— We present the Cognitive Radio (Policy) Language (CoRaL), a new language for expressing policies that govern the behavior of cognitive radios that opportunistically sha...
VTC
2007
IEEE
14 years 6 months ago
2007
IEEE
— In this paper, the possibility for a short–range cognitive radio (secondary communication system) to be located within the service area of the primary system is discussed. Al...
ICCCN
2007
IEEE
14 years 6 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...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
With the advent of cognitive radio technology, new paradigms for spectrum access can achieve near-optimal spectrum utilisation by letting each user sense and utilise available s...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
— The idea of the cognitive network, drawn from previous research in cognitive radios and cross-layer design, is an attempt to address issues of complexity and scalability by all...