Sökning: "cell phones usage"
Hittade 5 avhandlingar innehållade orden cell phones usage.
1. How to Secure the Connected Car
Sammanfattning : In recent years, information technology has entered the automobile domain. Most of the functionality in a car is now controlled by electronics and software. LÄS MER
2. On access network selection models and mobility support in heterogeneous wireless networks
Sammanfattning : The aim of this thesis is to define a solution offering end-users seamless mobility in a multi-radio access technology environment. Today an increasing portion of cell phones and PDAs have more than one radio access technology and wireless access networks of various types are commonly available with overlapping coverage. LÄS MER
3. Web Authentication using Third-Parties in Untrusted Environments
Sammanfattning : With the increasing personalization of the Web, many websites allow users to create their own personal accounts. This has resulted in Web users often having many accounts on different websites, to which they need to authenticate in order to gain access. LÄS MER
4. Parameter Estimation of Nonlinearities in Future Wireless Systems
Sammanfattning : Nowadays, our every-day life is immersed with wireless communications.From our hand-held cell-phones to televisions to navigation systems in cars, all and all are using wireless communications. LÄS MER
5. Three problems with internetworking in cellular networks
Sammanfattning : Over the last decade, cell phones have gone from providing the traditional interactive voice service to also include support for Internet services. Cellular networks that originally were designed for cost-efficient voice services supply low bandwidth, high error rates and long round-trip delays, which poorly fit the generous header sizes, lack of error tolerance and reliance on retransmissions of the Internet. LÄS MER