TWC
2010
13 years 6 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...
CORR
2007
Springer
13 years 11 months ago
2007
Springer
This paper demonstrates the significant gains that multi-access users can achieve from sharing a single amplify-forward relay in slow fading environments. The proposed protocol, ...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Cooperative transmission schemes can offer benefits in terms of diversity and multiplexing gain compared with conventional direct transmission by forming a virtual antenna array. I...
GLOBECOM
2006
IEEE
14 years 5 months ago
2006
IEEE
Abstract— In this paper, multiple access channels are considered in which user data rates increase with the signal-to-noise ratio (SNR). To account for channel estimation errors,...
GLOBECOM
2007
IEEE
14 years 5 months ago
2007
IEEE
Abstract— We derive a lower bound on the diversitymultiplexing tradeoff for multiple antenna multiple access channels using temporal power control (PC). We quantify the substanti...