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GLOBECOM
2007
IEEE
14 years 3 months ago
An Optimal Strategy for Cooperative Spectrum Sensing in Cognitive Radio Networks
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
Zhi Quan, Shuguang Cui, Ali H. Sayed
ICC
2007
IEEE
208views Communications» more  ICC 2007»
14 years 3 months ago
A Low Complexity Image Quality Metric for Real-Time Open-Loop Transcoding Architectures
—In this paper, we present an original image quality metric for open-loop transcoding architectures based on frequency selective transmission. The proposed metric computes the no...
Charlène Goudemand, Marc Gazalet, Fran&cced...
ICC
2007
IEEE
14 years 3 months ago
Linear Precoding with Minimum BER Criterion for MIMO-OFDM Systems Employing ML Detection
Abstract— This paper proposes a new MIMO-OFDM precoding method that minimizes BER of the maximum likelihood detection (MLD). Conventional MIMO precoding methods can approximately...
Boonsarn Pitakdumrongkija, Kazuhiko Fukawa, Hirosh...
ICDM
2007
IEEE
137views Data Mining» more  ICDM 2007»
14 years 3 months ago
Locally Constrained Support Vector Clustering
Support vector clustering transforms the data into a high dimensional feature space, where a decision function is computed. In the original space, the function outlines the bounda...
Dragomir Yankov, Eamonn J. Keogh, Kin Fai Kan
ICC
2007
IEEE
132views Communications» more  ICC 2007»
14 years 3 months ago
Topology Reconstruction and Characterisation of Wireless Ad Hoc Networks
Abstract— Wireless ad hoc networks provide a useful communications infrastructure for the mobile battlefield. In this paper we apply and develop passive radio frequency signal s...
Jon Arnold, Nigel Bean, Miro Kraetzl, Matthew Roug...