152 search results - page 23 / 31 » To Code or Not To Code in Multi-Hop Relay Channels |
CORR
2010
Springer
13 years 3 months ago
2010
Springer
We investigate the problem of secure communication over parallel relay channel in the presence of a passive eavesdropper. We consider a four terminal relay-eavesdropper channel wh...
GLOBECOM
2009
IEEE
13 years 6 months ago
2009
IEEE
Due to the limited energy supplies of nodes in many applications like wireless sensor networks, energy efficiency is crucial for extending the lifetime of these networks. This pape...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
In this paper, a two-hop relay assisted cooperative Orthogonal Space-Time Block Codes (OSTBC) transmission scheme is considered for the downlink communication of a cellular system,...
ICC
2007
IEEE
14 years 8 days ago
2007
IEEE
Abstract-- Most user cooperation protocols work in a timesharing manner, where each user transmits its own message and relays for the other at different segments of a time slot. We...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Wireless networks with multiple nodes that relay information from a source to a destination are expected to be deployed in many applications. In this work, we consider multihoppin...