81 search results - page 6 / 17 » Wireless Multicasting with Channel Uncertainty |
CAMAD
2006
IEEE
14 years 4 days ago
2006
IEEE
Mobile wireless communication is susceptible to signal blockage, which is loss of signal, typically due to physical obstruction, over a longer duration relative to fading. Measurem...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
WIMOB
2008
IEEE
14 years 2 months ago
2008
IEEE
—In this paper, link level adaptation algorithms in a system applying spatial multiplexing in the presence of channel uncertainty are considered. The first part of this paper de...
INFOCOM
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—Motivated by the increasing usage of wireless broadcast networks for multicast real-time applications like video, this paper considers a canonical real-time multicast sc...
TSP
2008
13 years 8 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...