988 search results - page 6 / 198 » Positive Results and Techniques for Obfuscation |
TKDE
2010
13 years 7 months ago
2010
—The increasing availability of location-aware mobile devices has given rise to a flurry of location-based services (LBS). Due to the nature of spatial queries, an LBS needs the...
ICRA
1994
IEEE
14 years 27 days ago
1994
IEEE
A mobile robot requires perception of its local environment for both sensor based locomotion and for position estimation. Occupancy grids, based on ultrasonic range data, provide ...
JCM
2007
13 years 8 months ago
2007
—Modulation techniques have attracted increasing attention in optical wireless communications. Basic schemes such as on off keying (OOK), pulse amplitude modulation (PAM) and pul...
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
This paper deals with a wireless indoor positioning problem in which the location of a tag is estimated from range measurements taken by fixed beacons. The measurements may be affe...
MOBIQUITOUS
2008
IEEE
14 years 3 months ago
2008
IEEE
Location-based services in general require information about the position of certain objects. For instance, for a navigation service the position of the user needs to be known. Th...