1184 search results - page 28 / 237 » Improving migration by diversity |
118
click to vote
VTC
2008
IEEE
15 years 8 months ago
2008
IEEE
—Antenna diversity is an effective technique for improving the transmission performance in a multi-path fading channel. Recently, we proposed the space-time block coded-joint tra...
103
click to vote
GLOBECOM
2007
IEEE
15 years 8 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...
113
click to vote
VTC
2007
IEEE
15 years 8 months ago
2007
IEEE
— In this paper, geometry-based channel models are proposed to describe the topology of generalized distributed antenna systems with cooperative diversity (GDAS-CD). The system a...
SIGIR
2010
ACM
15 years 5 months ago
2010
ACM
It has been observed that precision increases with collection size. One explanation could be that the redundancy of information increases, making it easier to find multiple docum...
108
click to vote
ICCBR
2003
Springer
15 years 7 months ago
2003
Springer
In the past conversational recommender systems have adopted a similarity-based approach to recommendation, preferring cases that are similar to some user query or profile. Recent ...