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ICASSP
2009
IEEE
16 years 1 months ago
Spatial super-resolution of a diffusion field by temporal oversampling in sensor networks
We study the spatial-temporal sampling of a linear diffusion field, and show that it is possible to compensate for insufficient spatial sampling densities by oversampling in tim...
Yue M. Lu, Martin Vetterli
ICASSP
2009
IEEE
16 years 1 months ago
Filter-and-forward distributed beamforming for relay networks in frequency selective fading channels
A half-duplex distributed beamforming technique for relay networks with frequency selective fading channels is developed. The network relays use the filter-and-forward (FF) strat...
Haihua Chen, Alex B. Gershman, Shahram Shahbazpana...
ICASSP
2008
IEEE
16 years 1 months ago
Auction-based resource allocation for multi-relay asynchronous cooperative networks
Resource allocation is considered for cooperative transmissions in multiple-relay wireless networks. Two auction mechanisms, SNR auctions and power auctions, are proposed to distr...
Jianwei Huang, Zhu Han, Mung Chiang, H. Vincent Po...
NTMS
2008
IEEE
16 years 1 months ago
MASA: End-to-End Data Security in Sensor Networks Using a Mix of Asymmetric and Symmetric Approaches
Wireless Sensor Networks (WSNs) are a new technology that is expected to be used increasingly in the near future due to its cheap cost and data processing ability. However, securi...
Hani Alzaid, Manal Alfaraj
ISCAS
2007
IEEE
117views Hardware» more  ISCAS 2007»
16 years 1 months ago
Quantifying Input and Output Spike Statistics of a Winner-Take-All Network in a Vision System
— Event-driven spike-based processing systems offer new possibilities for real-time vision. Signals are encoded asynchronously in time thus preserving the time information of the...
Matthias Oster, Rodney J. Douglas, Shih-Chii Liu