25 search results - page 3 / 5 » Differential Transmit Diversity Based on Quasi-Orthogonal Sp... |
TCOM
2010
14 years 7 months ago
2010
— Mobile users with single antennas can still take advantage of spatial diversity through cooperative space-time encoded transmission. In this paper, we consider a scheme in whic...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
In a distributed space-time coding scheme, based on the relay channel model, the relay nodes co-operate to linearly process the transmitted signal from the source and forward them ...
VTC
2007
IEEE
15 years 3 months ago
2007
IEEE
— This letter proposes a simple but highly efficient technique to jointly utilize space, time, and polarization diversities. The technique is based on extending orthogonal space-...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract-- Cooperative communications can be used to improve communication reliability. However, the transmissions from different relaying nodes result in a great challenge in prac...
ICC
2008
IEEE
15 years 3 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...