6834 search results - page 181 / 1367 » Informal communication in collaboratories |
199
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ICC
2008
IEEE
16 years 29 days ago
2008
IEEE
— In recent years, LED technology emerged as a prime candidate for the future illumination light source, due to high energy efficiency and long life time. In addition, LEDs offe...
250
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ICC
2007
IEEE
16 years 26 days ago
2007
IEEE
Abstract— A least-squares (LS) channel estimation (CE) technique for mobile OFDM communications over a rapidly timevarying frequency-selective fading channel is investigated in t...
174
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VTC
2007
IEEE
16 years 24 days ago
2007
IEEE
—This paper presents a downlink performance analysis of a Layered Random Beamforming (LRB) - MIMO-OFDMA Physical Layer (PHY) as applicable to future generation wireless communica...
210
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MM
2004
ACM
15 years 12 months ago
2004
ACM
In this paper, we present our approach to the problem of communicating everyday experiences. This is a challenging problem, since media from everyday events are unstructured, and ...
180
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INFOCOM
2002
IEEE
15 years 11 months ago
2002
IEEE
— Directional antennas can be useful in significantly increasing node and network lifetime in wireless ad hoc networks. In order to utilize directional antennas, an algorithm is ...