331 search results - page 18 / 67 » Optimal Cooperative Relaying Schemes in IR-UWB Networks |
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
During the last decade, many works were devoted to improving the performance of relaying techniques in ad hoc networks. One promising approach consists in allowing the relay nodes ...
CORR
2007
Springer
13 years 8 months ago
2007
Springer
Abstract- We investigate cooperative wireless relay networks in which the nodes can help each other in data transmission. We study different coding strategies in the single-source ...
TCOM
2008
13 years 8 months ago
2008
Distributed space-time coding is a cooperative transmission scheme proposed for wireless relay networks. With this scheme, antennas of the distributive relays work as transmit ante...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—In this paper, randomized distributed spacefrequency coding (R-DSFC) scheme is proposed for decentralized wireless relay networks. We consider relay-assisted ARQ to over...
TWC
2008
13 years 8 months ago
2008
In this paper, we provide a complete study on the training based channel estimation issues for relay networks that employ the amplify-and-forward (AF) transmission scheme. We first...