898 search results - page 154 / 180 » Wireless underground sensor networks: Research challenges |
DBSEC
2009
13 years 8 months ago
2009
With the rapid growth in wireless networks and sensor and mobile devices, we are moving towards an era of pervasive computing. Access control is challenging in these environments. ...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract--This paper presents several on-chip antenna structures that may be fabricated with standard CMOS technology for use at millimeter wave frequencies. On-chip antennas for w...
AAAI
2008
13 years 10 months ago
2008
In artificial intelligence and pervasive computing research, inferring users' high-level goals from activity sequences is an important task. A major challenge in goal recogni...
VTC
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract— Unlike the terrestrial wireless networks that utilize the radio channel, underwater networks use the acoustic channel, which poses research challenges in the medium acc...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract The concept of providing mobile Internet connectivity for passengers in public transport vehicles, where users connect to a local network that attaches to the Internet v...