199 search results - page 4 / 40 » Perturbation-Based Distributed Beamforming for Wireless Rela... |
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
—Cooperative jamming (CJ) schemes support secure wireless communication in the presence of one or more eavesdroppers. Larger numbers of cooperative relays provide better secrecy ...
TWC
2008
13 years 5 months ago
2008
Cooperative diversity systems rely on using relay nodes to relay copies of transmitted information to the destination such that each copy experiences different channel fading, henc...
TSP
2008
13 years 5 months ago
2008
Transmit beamforming is an energy-efficient wireless communication technique that allows a transmitter with two or more antennas to focus its bandpass signal in an intended directi...
IWCMC
2009
ACM
14 years 8 days ago
2009
ACM
For a point-to-point multi-input multi-output (MIMO) wireless channel, we propose a feedback scheme, which consists of transmit-antenna selection algorithm and beamforming quantiz...
GLOBECOM
2007
IEEE
13 years 9 months ago
2007
IEEE
In this paper, we consider a MIMO wireless relay network where communication between a source and a destination node is assisted by multiple relay nodes using the Amplifyand-Forwar...