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VTC
2008
IEEE
185views Communications» more  VTC 2008»
15 years 4 months ago
Opportunistic Spectrum Access for Energy-Constrained Cognitive Radios
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
Anh Tuan Hoang, Ying-Chang Liang, David Tung Chong...
SEUS
2007
IEEE
15 years 4 months ago
A Wireless System for Real-Time Environmental and Structural Monitoring
Abstract. Accurate real-time monitoring of structural health can result in significant safety improvements, while providing data that can be used to improve design and constructio...
Valerio Plessi, Filippo Bastianini, Sahra Sedigh
ICC
2007
IEEE
141views Communications» more  ICC 2007»
15 years 4 months ago
Iterative Turbo Channel Estimation for OFDM System over Rapid Dispersive Fading Channel
— Current OFDM systems assume the channel is not time varying within one OFDM frame, and use channel estimates obtained from preamble or pilots for data symbols within the same f...
Ming Zhao 0001, Zhenning Shi, Mark C. Reed
INFOCOM
2000
IEEE
15 years 2 months ago
REUNITE: A Recursive Unicast Approach to Multicast
—We propose a new multicast protocol called REUNITE. The key idea of REUNITE is to use recursive unicast trees to implement multicast service. REUNITE does not use class D IP add...
Ion Stoica, T. S. Eugene Ng, Hui Zhang
ADHOCNOW
2008
Springer
15 years 4 months ago
Novel Algorithms for the Network Lifetime Problem in Wireless Settings
Abstract. A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited, nonreplenishable battery charge. The batte...
Michael Elkin, Yuval Lando, Zeev Nutov, Michael Se...