120 search results - page 17 / 24 » Traffic-aware dynamic spectrum access |
MONET
2008
13 years 7 months ago
2008
This paper investigates a distributed and adaptive approach to manage spectrum usage in dynamic spectrum access networks. While previous works focus on centralized provisioning, w...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication ...
TCOM
2010
13 years 6 months ago
2010
Abstract—This paper considers an uplink time division multiple access (TDMA) cognitive radio network where multiple cognitive radios (secondary users) attempt to access a spect...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract—Cognitive radio is a key enabling technology of dynamic spectrum access for exploiting unused spectrum resources. This article focuses on modeling the opportunity for ce...