99 search results - page 16 / 20 » Distributed multiaccess in hierarchical cognitive radio netw... |
PIMRC
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--In two-tier networks consisting of a macrocell overlaid with femtocells in co-channel deployment and closed-access policy, spatial reuse is achieved at the price of sever...
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CORR
2011
Springer
14 years 1 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 ...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
— For cognitive radio networks, a popular approach to dynamic spectrum allocation (DSA) is game theoretic, which improves spectrum efficiency in a distributed manner. In a doubl...
INFOCOM
2006
IEEE
15 years 3 months ago
2006
IEEE
—Wireless local area network (WLAN) systems are widely implemented today to provide hot spot coverage. Operated typically in an infrastructure mode, each WLAN is managed by an ac...
CCR
2011
14 years 4 months ago
2011
Proliferation and innovation of wireless technologies require significant amounts of radio spectrum. Recent policy reforms by the FCC are paving the way by freeing up spectrum fo...