137 search results - page 19 / 28 » Global system for mobile communications (GSM) |
CGI
2003
IEEE
13 years 11 months ago
2003
IEEE
Location-aware mobile users need to access, query, and visualize, geographic information in a wide variety of applications including tourism, navigation, environmental management,...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
—The design of scheduling policies for wireless data systems has been driven by a compromise between the objectives of high overall system throughput and the degree of fairness a...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
This paper describes a novel approach for obtaining semantic interoperability among data sources in a bottom-up, semiautomatic manner without relying on pre-existing, global seman...
AVI
2006
13 years 9 months ago
2006
Increasingly, public transportation systems are equipped with Global Positioning Systems (GPS) connected to control centers through wireless networks. Controllers use this infrast...
WMCSA
2000
IEEE
13 years 12 months ago
2000
IEEE
Mobile systems operate in a resource-scarce environment and thus must adapt to external conditions; all layers must make cost-based decisions about what mode of operation to use i...