476 search results - page 17 / 96 » The Relay Channel with a Wire-tapper |
TWC
2010
14 years 4 months ago
2010
We consider a system with a single base station communicating with multiple users over orthogonal channels while being assisted by multiple relays. Several recent works have sugge...
104
click to vote
ADHOC
2007
14 years 9 months ago
2007
Multi-hop relaying in cellular networks can greatly increase capacity and performance by exploiting the best available links to a base station. We envision an environment in which...
80
Voted
TCOM
2010
14 years 8 months ago
2010
— Mobile users with single antennas can still take advantage of spatial diversity through cooperative space-time encoded transmission. In this paper, we consider a scheme in whic...
100
click to vote
JSAC
2007
14 years 9 months ago
2007
Abstract— Distributed space-time coding is a means of achieving diversity through cooperative communication in a wireless relay network. In this paper, we consider a transmission...
WCNC
2008
IEEE
15 years 4 months ago
2008
IEEE
— Diversity techniques are an effective answer to the challenges presented by fading channels. This paper focuses on studying the performance of systems with diversity of three f...