512 search results - page 32 / 103 » Random Access Systems with a Time Varying Channel |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
—Detection of targets in complex environments is of importance in both radar and sonar applications. Recent work has shown that the use of Time Reversal (TR) techniques improves ...
COMCOM
2008
14 years 10 months ago
2008
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
We present a system for video streaming well adapted to the unpredictable and varying nature of Internet. The proposed system uses a superposition of several Multiple Description ...
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...
CDC
2009
IEEE
15 years 2 months ago
2009
IEEE
Abstract— In WiFi networks, mobile nodes compete for accessing a shared channel by means of a random access protocol called Distributed Coordination Function (DCF). Although this...