71 search results - page 5 / 15 » Space-time beamforming for multiuser wireless relay networks |
CORR
2007
Springer
13 years 6 months ago
2007
Springer
Abstract— In this paper, collocated and distributed spacetime block codes (DSTBCs) which admit multi-group maximum likelihood (ML) decoding are studied. First the collocated case...
JSAC
2008
13 years 6 months ago
2008
Abstract-- In this paper, we examine the uplink of a cooperative CDMA network, where users cooperate by relaying each other's messages to the base station. When spreading wave...
GLOBECOM
2009
IEEE
13 years 4 months ago
2009
IEEE
Beamforming and relaying are two methods of improving wireless system performance. Until now, these techniques have been considered separately. In this paper, a single source (base...
TSP
2008
13 years 6 months ago
2008
Transmit beamforming is an energy-efficient wireless communication technique that allows a transmitter with two or more antennas to focus its bandpass signal in an intended directi...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
For wireless networks with multiple sources, an omnidirectional relay scheme is developed, where each node can help relay multiple messages in different directions. This is accomp...