49 search results - page 3 / 10 » Cooperative Multi-relay Scheme for Secondary Spectrum Access |
TMC
2010
13 years 4 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 ...
MOBICOM
2009
ACM
14 years 4 days ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
INFOCOM
2009
IEEE
14 years 9 days ago
2009
IEEE
—Cooperative spectrum sensing is attracting more attention in Cognitive Radio networks. This paper proposes a fully distributed consensus-based cooperative spectrum sensing schem...
TWC
2010
13 years 10 days ago
2010
Abstract--This letter analyzes the impact, from a networklayer perspective, of having a single cognitive radio transmitterreceiver pair share the spectrum with multiple primary use...
ICASSP
2009
IEEE
14 years 12 days ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...