912 search results - page 143 / 183 » An E-tutoring Service Architecture Based on Overlay Networks |
JCM
2006
14 years 9 months ago
2006
- Current wireless systems are called vendor-central systems because, users should subscribe to a service provider (vendor) and receive the service through the spectrum assigned to...
MOBISYS
2011
ACM
14 years 17 days ago
2011
ACM
This paper is motivated by two observations: (1) cellular network operators are actively exploring advertisement delivery as a new means of revenue generation, and (2) cellular ba...
WS
2004
ACM
15 years 3 months ago
2004
ACM
In this paper we investigate and provide solutions for security threats in the context of hybrid networks consisting of a cellular base station and mobile devices equipped with du...
JSAC
2007
14 years 9 months ago
2007
In this article, we describe our experiences in implementing an experimental wide-area GMPLS network called CHEETAH (Circuit-Switched End-to-End Transport Architecture). The key c...
ICDCIT
2005
Springer
15 years 3 months ago
2005
Springer
— Micro-payment systems have the potential to provide non-intrusive, high-volume and low-cost pay-asyou-use services for a wide variety of web-based applications. We proposed a n...