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GLOBECOM
2010
IEEE
15 years 2 months ago
Design of Amplify and Forward MIMO Relay Networks with QoS Constraint
In this paper, we design the optimal precoding matrices for amplify-and-forward (AF) multiple-input multipleoutput (MIMO) relay networks. Specifically, we consider a dualhop relay ...
Jafar Mohammadi, Feifei Gao, Yue Rong
DAC
2007
ACM
16 years 5 months ago
Layered Switching for Networks on Chip
We present and evaluate a novel switching mechanism called layered switching. Conceptually, the layered switching implements wormhole on top of virtual cut-through switching. To s...
Zhonghai Lu, Ming Liu, Axel Jantsch
CHI
2010
ACM
15 years 11 months ago
Graphemes: self-organizing shape-based clustered structures for network visualisations
Network visualisations use clustering approaches to simplify the presentation of complex graph structures. We present a novel application of clustering algorithms, which controls ...
Ross Shannon, Aaron J. Quigley, Paddy Nixon
CDC
2008
IEEE
129views Control Systems» more  CDC 2008»
15 years 11 months ago
Distributed motion constraints for algebraic connectivity of robotic networks
— This paper studies connectivity maintenance of robotic networks that communicate at discrete times and move in continuous space. We propose a distributed algorithm that allows ...
Michael Schuresko, Jorge Cortés
ICASSP
2008
IEEE
15 years 11 months ago
Performance characteristics of collaborative beamforming for wireless sensor networks with Gaussian distributed sensor nodes
Collaborative beamforming has been recently introduced in the context of wireless sensor networks (WSNs) to increase the transmission range of individual sensor nodes. In this pap...
Mohammed F. A. Ahmed, Sergiy A. Vorobyov