291 search results - page 48 / 59 » Characterizing and modeling user mobility in a cellular data... |
COMCOM
2008
13 years 7 months ago
2008
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
ANSS
2003
IEEE
14 years 24 days ago
2003
IEEE
As the average bandwidth capacity is increasing, users around the world demand for shorter service time. While the servers are able to acquire more bandwidth, they can not keep up...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
By embedding sensors in mobile devices, it is possible to exploit the ubiquitous presence of these devices to construct applications for large-scale sensing and monitoring of envi...
PERCOM
2011
ACM
12 years 11 months ago
2011
ACM
Abstract—With the abundance and ubiquity of mobile devices, a new class of applications is emerging, called participatory sensing (PS), where people can contribute data (e.g., im...
KDD
2008
ACM
14 years 8 months ago
2008
ACM
We analyze a massive social network, gathered from the records of a large mobile phone operator, with more than a million users and tens of millions of calls. We examine the distr...