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GLOBECOM
2007
IEEE
14 years 3 days 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
ICASSP
2010
IEEE
13 years 6 months ago
Best-effort cooperative communication without dedicated relays
Traditional decode-and-forward cooperation systems consider dedicated relays, while instead we consider wireless transceivers that cooperatively relay signals in addition to prima...
Nate Goergen, K. J. Ray Liu, T. Charles Clancy
INFOCOM
2007
IEEE
14 years 2 days ago
Discrete Power Control: Cooperative and Non-Cooperative Optimization
— We consider an uplink power control problem where each mobile wishes to maximize its throughput (which depends on the transmission powers of all mobiles) but has a constraint o...
Eitan Altman, Konstantin Avrachenkov, Gregory Mill...
CORR
2011
Springer
171views Education» more  CORR 2011»
13 years 24 days ago
Design, Implementation and Characterization of a Cooperative Communications System
Cooperative communications is a class of techniques which seek to improve reliability and throughput in wireless systems by pooling the resources of distributed nodes. While coope...
Patrick Murphy, Ashutosh Sabharwal
AAAI
2011
12 years 5 months ago
Coordinated Multi-Agent Reinforcement Learning in Networked Distributed POMDPs
In many multi-agent applications such as distributed sensor nets, a network of agents act collaboratively under uncertainty and local interactions. Networked Distributed POMDP (ND...
Chongjie Zhang, Victor R. Lesser