476 search results - page 78 / 96 » The Relay Channel with a Wire-tapper |
TWC
2010
14 years 4 months ago
2010
An adaptive regenerate and forward cooperative diversity (CD) system using quadrature amplitude modulation (QAM) for a two-user cooperation is proposed. The proposed system can ach...
TWC
2010
14 years 4 months ago
2010
In this paper, cooperative transmission protocols are proposed for wireless broadcast channels, a fundamental building block of wireless communication networks. The concepts of co...
IWCMC
2009
ACM
15 years 4 months 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...
ICNP
2007
IEEE
15 years 4 months ago
2007
IEEE
— Multicast is a key technology that provides efficient data communication among a set of nodes for wireless multi-hop networks. In sensor networks and MANETs, multicast algorit...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
—Performance of cross-layer protocols that recommend the relay of corrupted packets to higher layers can be improved significantly by accurately inferring/predicting the bit erro...