6480 search results - page 222 / 1296 » Proximity Communication and Time |
149
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CHI
2003
ACM
16 years 7 months ago
2003
ACM
In this paper, we describe two novel patterns of interaction that arose in a study of a computer-mediated feedback system for the university classroom. In both patterns, students ...
163
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CBMS
2008
IEEE
16 years 1 months ago
2008
IEEE
Performance on an information gathering task is shown to be superior in teleconference. Analysis of errors in an exercise revealed the data sources used in co-located and teleconf...
158
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GLOBECOM
2008
IEEE
16 years 1 months ago
2008
IEEE
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...
178
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ICC
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract— We present an analytical study on the error performance of differential unitary space-time modulation (DUSTM) over multiple-input multiple-output (MIMO) channels with n...
170
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ICC
2008
IEEE
16 years 1 months ago
2008
IEEE
—In unreliable and untrustworthy systems, information dissemination may suffer network failures and attacks from Byzantine nodes which are controlled by traitors or adversaries, ...