628 search results - page 50 / 126 » WI - Dissertationen |
CORR
2011
Springer
14 years 3 months ago
2011
Springer
VTC
2007
IEEE
15 years 6 months ago
2007
IEEE
— Current UWB systems apply convolutional codes as their channel coding scheme. For next generation systems LDPC codes are in discussion due to their outstanding communications p...
104
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COLT
2005
Springer
15 years 5 months ago
2005
Springer
We consider the problem of learning mixtures of distributions via spectral methods and derive a tight characterization of when such methods are useful. Specifically, given a mixt...
WIOPT
2011
IEEE
14 years 3 months ago
2011
IEEE
—Cellular operators have been offloading data traffic from their licensed bands to unlicensed bands through a large number of WiFi hotspots over the past years. Although this a...
229
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Presentation
Broadband access is quickly becoming ubiquitous. Among the technologies for access, wireless is becoming the preferred technology for reasons of mobility, cost, and convenience. In...