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GLOBECOM
2009
IEEE
14 years 4 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
14 years 4 months ago
The Resource-Optimized Differentially Modulated Hybrid AF/DF Cooperative Cellular Uplink
—In multi-user cellular uplinks cooperating mobiles may share their antennas in order to achieve transmit diversity by formig a virtual antenna array (VAA) in a distributed fashi...
Li Wang, Lajos Hanzo
GLOBECOM
2009
IEEE
14 years 4 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...
HAPTICS
2009
IEEE
14 years 4 months ago
Perceptual coding of haptic data in time-delayed teleoperation
In telepresence and teleaction systems the haptic communication channel plays a central role. As it closes a global control loop any introduced communication delay possibly destab...
Iason Vittorias, Julius Kammerl, Sandra Hirche, Ec...
ICASSP
2009
IEEE
14 years 4 months ago
Two microphone based direction of arrival estimation for multiple speech sources using spectral properties of speech
A two microphone direction of arrival (DOA) estimation technique for multiple speech sources is developed which exploits speech specific properties, namely sparsity in time-frequ...
Wenyi Zhang, Bhaskar D. Rao