476 search results - page 58 / 96 » The Relay Channel with a Wire-tapper |
ICC
2011
IEEE
13 years 9 months ago
2011
IEEE
Abstract—We study a cooperative communication system consisting of two users in half duplex mode communicating with one destination over additive white Gaussian noise (AWGN). Coo...
IWCMC
2006
ACM
15 years 3 months ago
2006
ACM
Multi-hop relaying is an important concept in tackling the inherent problems of limited capacity and coverage in cellular networks. It helps to solve the dead-spots problem and to...
TWC
2010
14 years 4 months ago
2010
In this paper, we propose a TDMA based simple transmission scheme, which overcomes the effect of the delays caused by the poor synchronization of the relaying nodes over Ricean ch...
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract— In this paper, we consider the beamforming codebook design problem for the half-duplex MIMO amplify-andforward relay channel with Rayleigh fading. The analysis is divid...
SAINT
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper we present an online algorithm that attacks the problem of placing relay nodes in regions where high localized congestion is detected. Congestion refers to the netwo...