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» On the Tightness of the Buhrman-Cleve-Wigderson Simulation
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SENSYS
2010
ACM
13 years 5 months ago
Efficient diagnostic tracing for wireless sensor networks
Wireless sensor networks (WSNs) are hard to program due to unconventional programming models used to satisfy stringent resource constraints. The common event-driven concurrent pro...
Vinaitheerthan Sundaram, Patrick Th. Eugster, Xian...
WD
2010
13 years 5 months ago
Enhancing FEC application in LTE cellular networks
3rd Generation Partnership Project's (3GPP) Long Term Evolution (LTE) is focused on enhancing the Universal Terrestrial Radio Access (UTRA). Evolved-Multimedia Broadcast and M...
Antonios G. Alexiou, Christos Bouras, Vasileios Ko...
ICASSP
2009
IEEE
13 years 5 months ago
On the recovery of nonnegative sparse vectors from sparse measurements inspired by expanders
This paper studies compressed sensing for the recovery of non-negative sparse vectors from a smaller number of measurements than the ambient dimension of the unknown vector. We fo...
M. Amin Khajehnejad, Babak Hassibi
CORR
2011
Springer
200views Education» more  CORR 2011»
13 years 2 months ago
Optimal Channel Training in Uplink Network MIMO Systems
We consider a multi-cell frequency-selective fading uplink channel (network MIMO) from K singleantenna user terminals (UTs) to B cooperative base stations (BSs) with M antennas ea...
Jakob Hoydis, Mari Kobayashi, Mérouane Debb...
CIS
2010
Springer
13 years 2 months ago
Sensor Graphs for Guaranteed Cooperative Localization Performance
A group of mobile robots can localize cooperatively, using relative position and absolute orientation measurements, fused through an extended Kalman filter (ekf). The topology of ...
Y. Yuan, H. G. Tanner