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GLOBECOM
2007
IEEE
14 years 2 months ago
Interference Model for Cognitive Coexistence in Cellular Systems
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...
Theodoros Kamakaris, Didem Kivanc-Tureli, Uf Turel...
ICC
2007
IEEE
160views Communications» more  ICC 2007»
14 years 2 months ago
Adaptive Game-Based Radio Spectrum Allocation in Doubly Selective Fading Channels
— For cognitive radio networks, a popular approach to dynamic spectrum allocation (DSA) is game theoretic, which improves spectrum efficiency in a distributed manner. In a doubl...
Duo Zhang, Zhi Tian
JSAC
2011
185views more  JSAC 2011»
13 years 2 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
JSAC
2011
126views more  JSAC 2011»
13 years 2 months ago
Spectrum Management in Multiuser Cognitive Wireless Networks: Optimality and Algorithm
Abstract— Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead...
Chee Wei Tan, S. Friedland, Steven H. Low
ICC
2008
IEEE
203views Communications» more  ICC 2008»
14 years 2 months ago
Spectrum Leasing via Distributed Cooperation in Cognitive Radio
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 resour...
Igor Stanojev, Osvaldo Simeone, Yeheskel Bar-Ness,...