INFOCOM
2012
IEEE
12 years 1 months ago
2012
IEEE
—Collaborative spectrum sensing has been regarded as a promising approach to enable secondary users to detect primary users by exploiting spatial diversity. In this paper, we con...
CISS
2010
IEEE
13 years 3 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
TWC
2010
13 years 6 months ago
2010
Abstract--In this paper, we deal with the performance of nonorthogonal Amplify-and-Forward protocols over block-fading channels (BFNAF), where the source retransmits the same data ...
ICC
2009
IEEE
13 years 9 months ago
2009
IEEE
During the last decade, many works were devoted to improving the performance of relaying techniques in ad hoc networks. One promising approach consists in allowing the relay nodes ...
TMM
2002
13 years 11 months ago
2002
A joint source-channel coding (JSCC) scheme for robust progressive image transmission over broadband wireless channels using orthogonal frequency division multiplexing (OFDM) syste...
TWC
2008
13 years 11 months ago
2008
In order to adapt to time-varying wireless channels, various channel-adaptive schemes have been proposed to exploit inherent spatial diversity in mobile/wireless ad hoc networks w...
ARC
2008
Springer
13 years 11 months ago
2008
Springer
Abstract: A key challenge for wireless industrial networking is to successfully transmit a packet within a prescribed deadline despite the unfriendly properties of the wireless tra...
ECIR
2010
Springer
14 years 27 days ago
2010
Springer
Spatial diversity is a relatively new branch of research in the context of spatial information retrieval. Although the assumption that spatially diversified results may meet users&...
ICA
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. We consider the source extraction problem for stereo instantaneous musical mixtures with more than two sources. We prove that usual separation methods based only on spati...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
—Optical communication through the atmosphere possibly enables high data rate communication. However, the optical field undergoes fades or outages due to air turbulence. Spatial ...