4676 search results - page 849 / 936 » Distributed networking system for Internet access service |
SAC
2010
ACM
15 years 5 months ago
2010
ACM
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
ACSAC
2006
IEEE
15 years 5 months ago
2006
IEEE
Access control and integrity constraints are well known approaches to ensure data integrity in commercial database systems. However, due to operational mistakes, malicious intent ...
SIMUTOOLS
2008
15 years 10 days ago
2008
The IEEE 802.16 technology is emerging as a promising solution for BWA due to its ability to support multimedia services and to operate in multiple physical environments. Also, wi...
MOBISYS
2004
ACM
15 years 10 months ago
2004
ACM
The performance of Wireless Local Area Networks (WLANs) often suffers from link-layer frame losses caused by noise, interference, multipath, attenuation, and user mobility. We obs...
101
Voted
SIGMETRICS
2008
ACM
14 years 10 months ago
2008
ACM
We consider a wireless collision channel, shared by a finite number of mobile users who transmit to a common base station using a random access protocol. Mobiles are selfoptimizin...