202 search results - page 4 / 41 » sum 2009 |
ICC
2009
IEEE
14 years 22 days ago
2009
IEEE
— In this paper, we derive a precise expression of spatial degrees of freedom (DOF) for two mutually interfering broadcast channels (IFBC) as a function of arbitrary numbers of t...
ICC
2009
IEEE
14 years 22 days ago
2009
IEEE
—This paper studies linear transmit filter design for Weighted Sum-Rate (WSR) maximization in the Multiple Input Multiple Output Broadcast Channel (MIMO-BC). The problem of fin...
GLOBECOM
2009
IEEE
13 years 3 months ago
2009
IEEE
In this paper, we establish a rate duality between the forward and reverse links of MIMO interference channel, where the reverse links are obtained by exchanging the roles of trans...
IPPS
2009
IEEE
14 years 19 days ago
2009
IEEE
We investigate the problem of converting sets of sensors into strongly connected networks of sensors using multiple directional antennae. Consider a set S of n points in the plane...
SIGIR
2009
ACM
14 years 15 days ago
2009
ACM
Recently a number of studies have demonstrated that search engine logfiles are an important resource to determine the relevance relation between URLs and query terms. We hypothes...