MOBISYS
2010
ACM
13 years 6 months ago
2010
ACM
Many emerging smartphone applications require position information to provide location-based or context-aware services. In these applications, GPS is often preferred over its alte...
MOBISYS
2010
ACM
13 years 6 months ago
2010
ACM
The use of cellular data networks is increasingly popular due to the widespread deployment of 3G technologies and the rapid adoption of smartphones, such as iPhone and GPhone. Bes...