31 search results - page 2 / 7 » On optimal precoding in wireless multicast systems |
TWC
2008
13 years 5 months ago
2008
Wireless relays extend coverage, improve spectral efciency, and enhance reliability and rates of wireless cellular communication systems. In this work, we introduce the fundamental...
GLOBECOM
2009
IEEE
13 years 3 months ago
2009
IEEE
Beamforming and relaying are two methods of improving wireless system performance. Until now, these techniques have been considered separately. In this paper, a single source (base...
ICIP
2008
IEEE
14 years 7 months ago
2008
IEEE
In this paper, we explore the use of directional antennas in relay transmission to improve the performance of video multicast with omni-directional relays in infrastructurebased wi...
AUTONOMICS
2008
ACM
13 years 7 months ago
2008
ACM
Multicast trees are used in a variety of applications, such as publish/subscribe systems or content distribution networks. Existing algorithms for ad-hoc networks typically produc...
WCNC
2008
IEEE
13 years 11 months ago
2008
IEEE
— Recent work has developed single-carrier linear precoding for the multiuser downlink for multiple-input multipleoutput (MIMO) systems. This paper addresses the problem of user ...