12568 search results - page 2141 / 2514 » Selective user interaction |
209
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ISCC
2007
IEEE
16 years 1 months ago
2007
IEEE
Wireless operators incorporate multiradio access technologies aiming at expanding their customer base and benefiting from synergies of existing and planned infrastructure. The res...
176
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MUE
2007
IEEE
16 years 1 months ago
2007
IEEE
Context and context-awareness have been central issues in ubiquitous computing research for the last decade. Advances with regard to context acquisition and activity recognition a...
167
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VTC
2007
IEEE
16 years 1 months ago
2007
IEEE
— In this paper, we investigate a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CD...
143
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VTC
2007
IEEE
16 years 1 months ago
2007
IEEE
This paper evaluates the effect of the channel estimation inaccuracy on the performance of an HSDPA system. This study provides some results from system level simulations that have...
176
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LCN
2007
IEEE
16 years 29 days ago
2007
IEEE
Abstract—Telephony gateways are devices that interface between IP telephony networks and the PSTN. A telephony proxy or location server (LS) that attempts to connect a call for a...