416 search results - page 9 / 84 » Outage Performance of Cognitive Wireless Relay Networks |
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Opt...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— In this paper, we consider the design of synchronization-aware distributed space-time codes, which we denote as diagonal distributed space-time codes (DDSTC), for N relay nodes...
TWC
2008
13 years 7 months ago
2008
Cooperative diversity systems rely on using relay nodes to relay copies of transmitted information to the destination such that each copy experiences different channel fading, henc...
ICIP
2008
IEEE
14 years 9 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...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— Relay power allocation has been shown to provide substantial performance gain in wireless relay channels when perfect global channel state information (CSI) is available. In th...