19 search results - page 2 / 4 » Improving wireless physical layer security via cooperating r... |
VTC
2010
IEEE
13 years 3 months ago
2010
IEEE
—Most of geographic routing approaches in wireless ad hoc and sensor networks do not take into consideration the medium access control (MAC) and physical layers when designing a ...
CORR
2011
Springer
13 years 12 days ago
2011
Springer
Cooperative communications is a class of techniques which seek to improve reliability and throughput in wireless systems by pooling the resources of distributed nodes. While coope...
GLOBECOM
2009
IEEE
14 years 4 days ago
2009
IEEE
—A key technology in cooperative communications is distributed space-time coding (DSTC) which achieves spatial diversity gain from multiple relays. A novel DSTC, called randomize...
TWC
2008
13 years 5 months ago
2008
Using relays in wireless networks can potentially lead to significant capacity increases. However, within an asynchronous multi-user communication setting, relaying might cause mor...
GLOBECOM
2008
IEEE
13 years 12 months ago
2008
IEEE
—In a distributed wireless network, it is possible to employ several relays and mimic a multiple antenna transmission system. In this paper we propose a MAC layer solution that a...