2155 search results - page 302 / 431 » Mobile Environmental Information Systems |
289
click to vote
GIS
2009
ACM
16 years 7 months ago
2009
ACM
The k-anonymity technique is widely used to provide location privacy protection for accessing location-based services (LBS), i.e., the exact location of a query initiator is cloak...
161
click to vote
ICC
2007
IEEE
16 years 21 days ago
2007
IEEE
Abstract— Adaptive transmission techniques including transmit beamforming, precoding, and opportunistic scheduling offer high spectral efficiency when channel state information ...
226
click to vote
ADHOCNOW
2007
Springer
16 years 17 days ago
2007
Springer
The increased use of ubiquitous computing devices is resulting in networks that are highly mobile, well connected and growing in processing and storage capabilities. The nature of ...
146
click to vote
ICRA
2003
IEEE
15 years 11 months ago
2003
IEEE
— This paper describes two robotic systems developed for acquiring accurate volumetric maps of underground mines. One system is based on a cart instrumented by laser range finde...
176
click to vote
JSAC
2007
15 years 6 months ago
2007
Abstract— In this paper we study the effects of practical pilotassisted channel state estimation on the achievable information theoretic data rates (uplink and downlink) in a mul...