3095 search results - page 259 / 619 » Ubiquitous presence systems |
169
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ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper we describe a model for calculating the aggregate interference encountered by primary receivers in the presence of randomly placed cognitive radios (CRs). We show tha...
239
Voted
CSCW
2011
ACM
15 years 1 months ago
2011
ACM
The presence of network latency leads to usability problems in distributed groupware applications. Example problems include difficulty synchronizing tightly-coupled collaboration...
216
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TSP
2010
15 years 1 months ago
2010
In this paper, a practical approach for detecting packet-based orthogonal frequency division multiplexing (OFDM) signals in the presence of phase noise is presented. An OFDM packe...
170
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MM
2009
ACM
16 years 1 months ago
2009
ACM
Until recently, QoE (Quality of Experience) experiments had to be conducted in academic laboratories; however, with the advent of ubiquitous Internet access, it is now possible to...
176
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ICRA
2007
IEEE
16 years 1 months ago
2007
IEEE
— Ubiquitous robots need the ability to adapt their behaviour to the changing situations and demands they will encounter during their lifetimes. In particular, non-technical user...