6662 search results - page 919 / 1333 » Mobile and Ubiquitous Computing |
215
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WCNC
2008
IEEE
16 years 2 months ago
2008
IEEE
—Physical Carrier Sensing plays a crucial role in the effectiveness of CSMA-based MAC protocols, yet its properties and impact on the system performance under slow fading channel...
199
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WIMOB
2008
IEEE
16 years 2 months ago
2008
IEEE
The integration of different wireless access technologies combined with the huge characteristic diversity of supported services in next-generation systems creates a real heterogen...
158
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WIMOB
2008
IEEE
16 years 2 months ago
2008
IEEE
– The standard ISIM-based authentication mechanism of IMS is only intended for mobile phones and cannot be used for fixed IMS clients on stationary devices without SIM cards. Thi...
187
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ACISICIS
2007
IEEE
16 years 2 months ago
2007
IEEE
This study aims to construct a 2D barcode and handheld augmented reality supported learning system called HELLO (Handheld English Language Learning Organization), to improve stude...
177
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MUE
2007
IEEE
16 years 2 months ago
2007
IEEE
We proposed a pre-compensation method combining two wireless communication schemes, TDD(Time Division Duplex) whose forward and reverse links use the same frequency, and the coher...