152 search results - page 22 / 31 » To Code or Not To Code in Multi-Hop Relay Channels |
ICASSP
2011
IEEE
13 years 4 days ago
2011
IEEE
Relays represent a promising approach to extend the cell coverage, combat the strong shadowing effects as well as guarantee the QoS in dense networks. Among the numerous existing ...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper, two different feedback configurations of the relay channel are investigated. Specifically, in our first configuration, the source node in a relay channel is ...
CISS
2007
IEEE
14 years 2 months ago
2007
IEEE
Relay-based cooperative communications can achieve spatial diversity gains, enhance coverage and potentially increase capacity. If considered for large networks, traditional relayi...
GLOBECOM
2008
IEEE
13 years 9 months ago
2008
IEEE
Abstract— This paper discusses channel estimation in a cooperative orthogonal frequency-division multiplexing (OFDM) network in the presence of frequency offsets. Both the amplif...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
We consider a Gaussian two-hop network where the source and the destination can communicate only via a relay node who is both an eavesdropper and a Byzantine adversary. Both the s...