6834 search results - page 202 / 1367 » Informal communication in collaboratories |
162
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DL
1998
Springer
15 years 10 months ago
1998
Springer
In this paper, we present DIAMS, a system of distributed,collaborative information agents which help users access, collect, organize and exchange information on the World Wide Web...
160
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ICC
2009
IEEE
16 years 1 months ago
2009
IEEE
—In this paper, we propose a joint precoding scheme for both the base station (BS) and relay station (RS) to increase the ergodic capacity of downlink non-regenerative multiple-i...
215
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ICC
2009
IEEE
16 years 1 months ago
2009
IEEE
—We consider multi-user MIMO broadcast channels with limited feedback. A recently proposed linear precoding technique, regularized block diagonalization (RBD), is used to mitigat...
170
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
In this paper, we examine the problem of overcomplete representations and provide new insights into the problem of stable recovery of sparse solutions in noisy environments. We es...
188
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INFOCOM
2008
IEEE
16 years 29 days ago
2008
IEEE
—Cooperative relaying has been shown to provide diversity gains which can significantly improve the Packet Error Rate (PER) in wireless transmissions. In ad hoc wireless routing...