232 search results - page 7 / 47 » A Secondary Market for Spectrum |
75
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--A common concept to mitigate the effects of spectrum scarcity is to allow opportunistic dynamic spectrum access (DSA) to licensed frequency bands. In this context, the li...
101
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TWC
2008
14 years 9 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
WCNC
2008
IEEE
15 years 4 months ago
2008
IEEE
— In an opportunistic spectrum sharing (OSS) wireless network there are two types of users: primary users and secondary users. The primary users own the license for the system ba...
TMC
2010
14 years 8 months ago
2010
—In this paper, we analyze the achievable capacity of the secondary service for overlay and underlay access strategies. We then propose a novel mixed access strategy in which in ...
ICWN
2003
14 years 11 months ago
2003
— Most wireless systems receive a license that gives them exclusive access to a block of spectrum. Exclusivity guarantees adequate quality of service, but it also leads to inefï¬...