21 search results - page 2 / 5 » On the feasibility of effective opportunistic spectrum acces... |
JCM
2007
13 years 4 months ago
2007
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract--A common concept to mitigate the effects of spectrum scarcity is to allow opportunistic dynamic spectrum access (DSA) to licensed frequency bands. In this context, the li...
MOBICOM
2009
ACM
13 years 11 months ago
2009
ACM
Establishing a control channel for medium access control is a challenging problem in multi-channel and dynamic spectrum access (DSA) networks. In the design of multi-channel MAC p...
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...