159 search results - page 20 / 32 » A Distributed Optimization Algorithm for Multi-Hop Cognitive... |
CORR
2011
Springer
12 years 11 months ago
2011
Springer
—The fundamental problem of multiple secondary users contending for opportunistic spectrum access over multiple channels in cognitive radio networks has been formulated recently ...
TMC
2011
13 years 2 months ago
2011
We consider the problem of optimal channel access to provide quality of service (QoS) for data transmission in cognitive vehicular networks. In such a network the vehicular nodes ...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Cognitive radios, which enable the coexistence on the same bandwidth of licensed primary and unlicensed secondary users, have the potential for dramatically increasing the efficien...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—In this paper, we describe and analyze the design of a joint Transport, Routing and Spectrum Sharing (TRSS) optimization algorithm for wireless networks with frequencyagile radi...
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
—We extend the existing network utility maximization (NUM) framework for wired networks to wireless sensor networks by formulating it in order to take into account interference a...