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PIMRC
2010
IEEE
13 years 3 months ago
Optimal beamforming in cognitive two-way relay networks
We consider a cognitive two-way relay network which consists of two transceivers (primary users) and multiple cognitive terminals. The two transceivers transmit their data toward t...
Ardalan Alizadeh, Seyed Mohammad-Sajad Sadough, Na...
INFOCOM
2012
IEEE
11 years 7 months ago
Spectrum mobility games
Cognitive radio gives users the ability to switch channels and make use of dynamic spectral opportunities. However, switching channels takes time, and may disrupt the quality of a...
Richard Southwell, Jianwei Huang, Xin Liu
TSP
2010
13 years 2 hour 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
JSAC
2011
185views more  JSAC 2011»
13 years 8 days 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
EJWCN
2010
229views more  EJWCN 2010»
13 years 5 days ago
Throughput-Efficient Dynamic Coalition Formation in Distributed Cognitive Radio Networks
We formulate the problem of distributed throughput-efficient sensing in cognitive radio (CR) networks as a dynamic coalition formation game based on a Markovian model. The propose...
Zaheer Khan, Janne J. Lehtomäki, Marian Codre...