26 search results - page 5 / 6 » Distributed Power Allocation Algorithm for Spectrum Sharing ... |
TWC
2008
13 years 5 months ago
2008
We consider a secondary usage of spectrum scenario where a secondary network coexists and/or shares the radio spectrum with a primary network to which the spectrum is licensed. The...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Abstract--In cognitive radio (CR) networks with multipleinput multiple-output (MIMO) links, secondary users (SUs) can exploit "spectrum holes" in the space domain to acce...
PIMRC
2010
IEEE
13 years 3 months ago
2010
IEEE
This paper presents an efficient and fair uplink resource allocation algorithm in multicarrier based cognitive radio systems. The proposed resource allocation is divided into two s...
TSP
2010
13 years 6 days ago
2010
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
INFOCOM
2010
IEEE
13 years 4 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...