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CORR
2008
Springer
125views Education» more  CORR 2008»
9 years 7 months ago
Power Control in Cognitive Radio Networks: How to Cross a Multi-Lane Highway
Abstract--We consider power control in cognitive radio networks where secondary users identify and exploit instantaneous and local spectrum opportunities without causing unacceptab...
Wei Ren, Qing Zhao, Ananthram Swami
CORR
2008
Springer
101views Education» more  CORR 2008»
9 years 7 months ago
Cognitive networks achieve throughput scaling of a homogeneous network
We study two distinct, but overlapping, networks which operate at the same time, space and frequency. The first network consists of
Sang-Woon Jeon, Natasha Devroye, Mai Vu, Sae-Young...
CORR
2010
Springer
49views Education» more  CORR 2010»
9 years 7 months ago
Distributed Algorithms for Learning and Cognitive Medium Access with Logarithmic Regret
The problem of distributed learning and channel access is considered in a cognitive network with multiple secondary users. The availability statistics of the channels are initially...
Animashree Anandkumar, Nithin Michael, Ao Kevin Ta...
WICON
2008
9 years 8 months ago
A negotiation game for multichannel access in cognitive radio networks
We consider the problem of efficient opportunistic spectrum access in cognitive radio networks where there are multiple secondary users trying to share access to multiple channels...
Hua Liu, Longbo Huang, Bhaskar Krishnamachari, Qin...
ICC
2007
IEEE
228views Communications» more  ICC 2007»
10 years 1 months ago
A Non-Cooperative Power Control Game for Secondary Spectrum Sharing
—Limited spectrum resources, inefficient spectrum usage and increasing wireless communication necessitates a paradigm shift from the current fixed spectrum management policy to...
Juncheng Jia, Qian Zhang
ICC
2007
IEEE
137views Communications» more  ICC 2007»
10 years 1 months ago
Optimality and Complexity of Opportunistic Spectrum Access: A Truncated Markov Decision Process Formulation
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
Dejan V. Djonin, Qing Zhao, Vikram Krishnamurthy
ICC
2007
IEEE
151views Communications» more  ICC 2007»
10 years 1 months ago
Sensing-Throughput Tradeoff for Cognitive Radio Networks
— In cognitive radio networks, the secondary network (users) are allowed to utilize the frequency bands of primary network (users) when they are not currently being used. To supp...
Ying-Chang Liang, Yonghong Zeng, Edward Chu Yeow P...
GLOBECOM
2007
IEEE
10 years 1 months ago
Cognitive Radio Networks: How Much Spectrum Sharing is Optimal?
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...
Sudhir Srinivasa, Syed Ali Jafar
GLOBECOM
2007
IEEE
10 years 1 months ago
Performance Analysis of a Wireless Network with Opportunistic Spectrum Sharing
— We analyze the performance of a wireless system that allows opportunistic spectrum sharing. The system consists of a set of primary users sharing a set of channels over a cover...
Shensheng Tang, Brian L. Mark
GLOBECOM
2007
IEEE
10 years 1 months ago
An Optimal Strategy for Cooperative Spectrum Sensing in Cognitive Radio Networks
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
Zhi Quan, Shuguang Cui, Ali H. Sayed
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