Sciweavers

109 search results - page 9 / 22
» Maximizing Throughput of Cognitive Radio Networks with Limit...
Sort
View
TSP
2010
13 years 3 months ago
Beamforming and rate allocation in MISO cognitive radio networks
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
Ali Tajer, Narayan Prasad, Xiaodong Wang
INFOCOM
2010
IEEE
13 years 7 months ago
Multicast Scheduling with Cooperation and Network Coding in Cognitive Radio Networks
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
Jin Jin, Hong Xu, Baochun Li
INFOCOM
2010
IEEE
13 years 6 months ago
Optimal Control of Constrained Cognitive Radio Networks with Dynamic Population Size
Abstract-- In this paper, we consider the problem of optimal control for throughput utility maximization in cognitive radio networks with dynamic user arrivals and departures. The ...
Mahdi Lotfinezhad, Ben Liang, Elvino S. Sousa
INFOCOM
2011
IEEE
12 years 12 months ago
Pricing-based spectrum access control in cognitive radio networks with random access
Abstract—Market-based mechanisms offer promising approaches for spectrum access in cognitive radio networks. In this paper, we focus on two market models, one with a monopoly pri...
Lei Yang, Hongseok Kim, Junshan Zhang, Mung Chiang...
JSAC
2008
157views more  JSAC 2008»
13 years 8 months ago
Spectrum Leasing to Cooperating Secondary Ad Hoc Networks
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
Osvaldo Simeone, Igor Stanojev, Stefano Savazzi, Y...