107 search results - page 13 / 22 » Diversity-Multiplexing Tradeoff in Cooperative Multiple Acce... |
TCOM
2010
13 years 6 months ago
2010
—Physical (PHY) layer cooperation in a wireless network allows neighboring nodes to share their communication resources in order to create a virtual antenna array by means of dis...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— We consider 1-helper problem in which one source provides partial side information to the fusion center (FC) to help reconstruction of the main source signal. Both sources comm...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—The problem of cooperative allocation among multiple secondary users to maximize cognitive system throughput is considered. The channel availability statistics are initi...
TWC
2008
13 years 7 months ago
2008
In ultra-wideband (UWB) communications, the typical signal propagation through dense multipath fading offers potentially very large multipath diversity, but at the same time compl...
GLOBECOM
2008
IEEE
13 years 8 months ago
2008
IEEE
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...