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University of Cambridge > Talks.cam > Computer Laboratory Digital Technology Group (DTG) Meetings > (Research) Influences of wind on radiowave propagation in foliated fixed wireless system / (Research) Information flow control for static enforcement of user-defined privacy policies
(Research) Influences of wind on radiowave propagation in foliated fixed wireless system / (Research) Information flow control for static enforcement of user-defined privacy policies
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Influences of wind on radiowave propagation in foliated fixed wireless system, Tien Han Chua
From field measurement data collected over a two-year period, the influences of wind speed and wind direction on temporal fading in foliated fixed wireless links will be presented. The physical wind-foliage interactions and radiowave propagation mechanisms which could contribute to such fading events will be discussed. Finally, the possibilities to model the temporal fading through ray tracing based on geometrical optics and uniform theory of diffraction will be investigated.
Information flow control for static enforcement of user-defined privacy policies, Sören Preibusch
Web sites for retailing or social networking could turn privacy into a competitive advantage as they implement superior data protection practices compared to alternative service providers. One important pre-requisite is the enforceability of privacy guarantees. In the past, information leaks at companies who promote themselves as privacy-friendly demonstrates that current certification practices seem insufficient.
Information flow control (IFC) allows software programmers and auditors to detect and prevent the sharing of information between different parts of a program which, as a matter of policy, should be kept logically separate. However, the lack of widespread use of IFC suggests technology and usability barriers to adoption.
This talk is part of the Computer Laboratory Digital Technology Group (DTG) Meetings series.
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