331 search results - page 22 / 67 » Optimal Cooperative Relaying Schemes in IR-UWB Networks |
GLOBECOM
2009
IEEE
14 years 11 days ago
2009
IEEE
We study the joint allocation of three types of resources, namely, power, subcarriers and relay nodes, in cooperative two-hop multi-relay OFDM systems. Each relay adopts the amplif...
CORR
2007
Springer
13 years 8 months ago
2007
Springer
Abstract— In recent years, network coding has been investigated as a method to obtain improvements in wireless networks. A typical assumption of previous work is that relay nodes...
TMC
2010
13 years 6 months ago
2010
—In wireless networks, node cooperation has been exploited as a data relaying mechanism for decades. However, the wireless channel allows for much richer interaction among nodes....
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Recently Li and Xia have proposed a transmission scheme for wireless relay networks based on the Alamouti space time code and orthogonal frequency division multiplexing to comb...
GLOBECOM
2008
IEEE
13 years 9 months ago
2008
IEEE
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...