114 search results - page 7 / 23 » On-demand diversity wireless relay networks |
JSAC
2006
13 years 10 months ago
2006
Cooperative diversity has been recently proposed as a way to form virtual antenna arrays that provide dramatic gains in slow fading wireless environments. However, most of the prop...
TWC
2008
13 years 10 months ago
2008
In order to adapt to time-varying wireless channels, various channel-adaptive schemes have been proposed to exploit inherent spatial diversity in mobile/wireless ad hoc networks w...
GLOBECOM
2006
IEEE
14 years 4 months ago
2006
IEEE
— In this paper, we investigate the outage performance of cognitive wireless relay networks where source nodes communicate to their destinations via multiple hops facilitated by ...
CORR
2008
Springer
13 years 11 months ago
2008
Springer
In this paper, we consider single-source, single-sink (ss-ss) multi-hop relay networks, with slow-fading Rayleigh links and single-antenna relay nodes operating under the half-dupl...
ICC
2009
IEEE
14 years 5 months ago
2009
IEEE
Abstract—This paper investigates Orthogonal FrequencyDivision Multiple-Access (OFDMA) resource-allocation schemes for two-hop relays in a home Powerline Communication (PLC) netwo...