170 search results - page 11 / 34 » Cognitive Transmissions with Multiple Relays in Cognitive Ra... |
JSAC
2008
14 years 9 months ago
2008
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
101
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INFOCOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Recently, a cooperative paradigm for single-channel cognitive radio networks has been advocated, where primary users can leverage secondary users to relay their traffic. However, i...
101
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CISS
2008
IEEE
14 years 11 months ago
2008
IEEE
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
IWCMC
2009
ACM
15 years 4 months ago
2009
ACM
This paper presents the application of cognitive algorithm for a stream diffusion in home theatre “5+1 audio” surround applications. We develop a wavelet-based method to effic...
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
— In this paper, we investigate the outage performance of cognitive wireless relay networks where source nodes communicate to their destinations via multiple hops facilitated by ...