Sciweavers

17 search results - page 1 / 4
» Spatio-Temporal Dynamic Spectrum Allocation with Interferenc...
Sort
View
ICC
2007
IEEE
119views Communications» more  ICC 2007»
13 years 11 months ago
Spatio-Temporal Dynamic Spectrum Allocation with Interference Handling
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
László Kovacs, Attila Vidács,...
TWC
2008
225views more  TWC 2008»
13 years 4 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
MOBIHOC
2012
ACM
11 years 7 months ago
Enforcing dynamic spectrum access with spectrum permits
Dynamic spectrum access is a maturing technology that allows next generation wireless devices to make highly efficient use of wireless spectrum. Spectrum can be allocated on an o...
Lei Yang, Zengbin Zhang, Ben Y. Zhao, Christopher ...
MONET
2006
139views more  MONET 2006»
13 years 4 months ago
Market Driven Dynamic Spectrum Allocation over Space and Time among Radio-Access Networks: DVB-T and B3G CDMA with Heterogeneous
The radio frequency spectrum is a naturally limited resource of extraordinary value, as the key to the provision of important communication and information services. Traditionally,...
Virgilio Rodriguez, Klaus Moessner, Rahim Tafazoll...
JSAC
2011
185views more  JSAC 2011»
12 years 11 months ago
Joint Dynamic Resource Allocation and Waveform Adaptation for Cognitive Networks
This paper investigates the issue of dynamic resource allocation (DRA) in the context of multiuser cognitive radio networks. We present a general framework adopting generalized si...
Zhi Tian, Geert Leus, Vincenzo Lottici