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INFOCOM
2012
IEEE
6 years 6 months ago
Location privacy preservation in collaborative spectrum sensing
—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...
Shuai Li, Haojin Zhu, Zhaoyu Gao, Xinping Guan, Ka...
CISS
2010
IEEE
7 years 8 months ago
On performance evaluation of cooperative spectrum sensing in cognitive radio networks
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
Gang Xiong, Shalinee Kishore, Aylin Yener
TWC
2010
7 years 11 months ago
On the diversity order of non-orthogonal amplify-and-forward over block-fading channels
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 ...
Ioannis Krikidis, John S. Thompson, Steve McLaughl...
ICC
2009
IEEE
190views Communications» more  ICC 2009»
8 years 2 months ago
Low Bound of Energy-Latency Trade-Off of Opportunistic Routing in Multi-Hop Networks
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 ...
Ruifeng Zhang, Jean-Marie Gorce, Katia Jaffr&egrav...
TMM
2002
139views more  TMM 2002»
8 years 4 months ago
Robust progressive image transmission over OFDM systems using space-time block code
A joint source-channel coding (JSCC) scheme for robust progressive image transmission over broadband wireless channels using orthogonal frequency division multiplexing (OFDM) syste...
Jie Song, K. J. Ray Liu
TWC
2008
245views more  TWC 2008»
8 years 4 months ago
Cross-Layer Optimal Policies for Spatial Diversity Relaying in Mobile Ad Hoc Networks
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...
Jing Ai, Alhussein A. Abouzeid, Zhenzhen Ye
ARC
2008
Springer
98views Hardware» more  ARC 2008»
8 years 4 months ago
How to exploit spatial diversity in wireless industrial networks
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...
Andreas Willig
ECIR
2010
Springer
8 years 5 months ago
Evaluation and User Preference Study on Spatial Diversity
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&...
Jiayu Tang, Mark Sanderson
ICA
2004
Springer
8 years 9 months ago
Underdetermined Source Separation with Structured Source Priors
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...
Emmanuel Vincent, Xavier Rodet
ICC
2007
IEEE
8 years 10 months ago
Diversity Coherent Receivers for Optical Communication over the Clear Turbulent Atmosphere
—Optical communication through the atmosphere possibly enables high data rate communication. However, the optical field undergoes fades or outages due to air turbulence. Spatial ...
Etty J. Lee, Vincent W. S. Chan
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