6834 search results - page 194 / 1367 » Informal communication in collaboratories |
153
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IFIP
2000
Springer
15 years 10 months ago
2000
Springer
The academic field of information systems has developed because organizations use a specialized body of knowledge about information and communications systems. Teaching and resear...
178
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GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
— This paper analyzes the ergodic mutual information of OFDMA cooperative relay networks when the Channel State Information (CSI) imperfection is considered at resource allocatio...
210
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PIMRC
2008
IEEE
16 years 28 days ago
2008
IEEE
— We consider the problem of rate allocation in a fading Gaussian multiple-access channel with fixed transmission powers. The goal is to maximize a general concave utility funct...
174
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ICC
2007
IEEE
16 years 26 days ago
2007
IEEE
— Low-Density Parity-Check (LDPC) codes are usually decoded by running an iterative belief-propagation, or message-passing, algorithm over the factor graph of the code. The tradi...
163
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INFOCOM
2006
IEEE
16 years 17 days ago
2006
IEEE
— For a wide variety of sensor network environments, location information is unavailable or expensive to obtain. We propose a location-free, lightweight, distributed, and data-ce...