Sciweavers

16 search results - page 2 / 4
» A Non-Cooperative Power Control Game for Secondary Spectrum ...
Sort
View
TWC
2008
225views more  TWC 2008»
13 years 3 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
TON
2012
11 years 6 months ago
Power Control for Cognitive Radio Networks: Axioms, Algorithms, and Analysis
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
Siamak Sorooshyari, Chee Wei Tan, Mung Chiang
INFOCOM
2009
IEEE
13 years 10 months ago
Distributed Power Allocation Algorithm for Spectrum Sharing Cognitive Radio Networks with QoS Guarantee
—In this paper we study the distributed multi-channel power allocation for spectrum sharing cognitive radio networks with QoS guarantee. We formulate this problem as a noncoopera...
Yuan Wu, Danny H. K. Tsang
JSAC
2011
215views more  JSAC 2011»
12 years 10 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
ICWN
2003
13 years 5 months ago
Providing Secondary Access in a Cellular Network
— Most wireless systems receive a license that gives them exclusive access to a block of spectrum. Exclusivity guarantees adequate quality of service, but it also leads to inef...
Sooksan Panichpapiboon, Jon M. Peha