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GLOBECOM
2009
IEEE
16 years 1 months ago
Joint MMSE Transceiver Design for Closed-Loop Non-Regenerative MIMO Relaying Systems
— In this paper, as a extended structure of the existing relay-destination joint minimum mean square error (MMSE) design, we propose a new source-relay-destination joint MMSE des...
Chang-Ick Song, Kyoung-Jae Lee, Inkyu Lee
GLOBECOM
2009
IEEE
16 years 1 months ago
On the Connectivity of Key-Distribution Strategies in Wireless Sensor Networks
Abstract—Wireless sensor networks (WSNs) are usually missioned to gather critical information in hostile and adversarial environments, which make them susceptible to compromise a...
Hosein Shafiei, Ahmad Khonsari, Mohammad Sadegh Ta...
ICASSP
2009
IEEE
16 years 1 months ago
Sparse LMS for system identification
We propose a new approach to adaptive system identification when the system model is sparse. The approach applies the ℓ1 relaxation, common in compressive sensing, to improve t...
Yilun Chen, Yuantao Gu, Alfred O. Hero III
ICC
2009
IEEE
178views Communications» more  ICC 2009»
16 years 1 months ago
An Energy-Efficient Cooperative SIMO Transmission Scheme for Wireless Sensor Networks
—This paper presents a cooperative single-input multiple-output (SIMO) transmission scheme for wireless sensor networks (WSNs), where the number of antennas and the constellation...
Chin-Liang Wang, Yan-Wun Huang, Yu-Chih Huang
INFOCOM
2009
IEEE
16 years 1 months ago
Hyperbolic Embedding and Routing for Dynamic Graphs
—We propose an embedding and routing scheme for arbitrary network connectivity graphs, based on greedy routing and utilizing virtual node coordinates. In dynamic multihop packet-...
Andrej Cvetkovski, Mark Crovella