2155 search results - page 285 / 431 » Mobile Environmental Information Systems |
158
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VTC
2008
IEEE
16 years 23 days ago
2008
IEEE
— In OFDMA systems, channel quality information (CQI) feedback is used to determine the modulation and coding level of a mobile station (MS). When the MS uses diversity, it trans...
187
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CHI
2005
ACM
15 years 8 months ago
2005
ACM
In this user study, we address several open issues in the design of waiting cues for system response time (SRT) in interactive telephony speech applications. User observations and...
166
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ICC
2007
IEEE
16 years 19 days ago
2007
IEEE
— Current OFDM systems assume the channel is not time varying within one OFDM frame, and use channel estimates obtained from preamble or pilots for data symbols within the same f...
187
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ICCV
2003
IEEE
16 years 8 months ago
2003
IEEE
Statistical background modelling and subtraction has proved to be a popular and effective class of algorithms for segmenting independently moving foreground objects out from a sta...
167
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MUM
2005
ACM
15 years 12 months ago
2005
ACM
We present PhoneGuide – an enhanced museum guidance approach that uses camera-equipped mobile phones and on-device object recognition. Our main technical achievement is a simple...