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CORR
2008
Springer
155views Education» more  CORR 2008»
13 years 7 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang
ICC
2007
IEEE
154views Communications» more  ICC 2007»
13 years 11 months ago
Topology Management in CogMesh: A Cluster-Based Cognitive Radio Mesh Network
As the radio spectrum usage paradigm shifting from the traditional command and control allocation scheme to the open spectrum allocation scheme, wireless mesh networks meet new opp...
Tao Chen, Honggang Zhang, Gian Mario Maggio, Imric...
INFOCOM
2009
IEEE
14 years 2 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
WCNC
2008
IEEE
14 years 1 months ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman
VTC
2008
IEEE
164views Communications» more  VTC 2008»
14 years 1 months ago
Resource Allocation for Downlink Spectrum Sharing in Cognitive Radio Networks
— We consider a resource allocation problem for spectrum sharing in cognitive radio networks. Specifically, we investigate the joint subchannel, rate and power allocation for se...
Patrick Mitran, Long Le, Catherine Rosenberg, Andr...