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MOBISYS
2007
ACM
16 years 6 months ago
Rendezvous-based access control for medical records in the pre-hospital environment
We present rendezvous-based access control for access control in the pre-hospital environment. Rendezvous-based access control is a simple cryptographic access control method that...
Feike W. Dillema, Simone Lupetti
MOBISYS
2005
ACM
16 years 6 months ago
WALRUS: wireless acoustic location with room-level resolution using ultrasound
In this paper, we propose a system that uses the wireless networking and microphone interfaces of mobile devices to determine location to room-level accuracy. The wireless network...
Gaetano Borriello, Alan L. Liu, Tony Offer, Christ...
MOBIHOC
2007
ACM
16 years 6 months ago
Secure incentives for commercial ad dissemination in vehicular networks
Vehicular ad hoc networks (VANETs) are envisioned to provide us with numerous interesting services in the near future. One of the most promising applications is the dissemination ...
Suk-Bok Lee, Gabriel Pan, Joon-Sang Park, Mario Ge...
DCC
2007
IEEE
16 years 6 months ago
High-Rate Analysis of Systematic Lossy Error Protection of a Predictively Encoded Source
We consider a first-order Markov source, which is predictively encoded using a DPCM-style encoder. The quantized compressed prediction residual is transmitted over an erasure chan...
Shantanu Rane, David Rebollo-Monedero, Bernd Girod
MOBIHOC
2003
ACM
16 years 6 months ago
Localization from mere connectivity
It is often useful to know the geographic positions of nodes in a communications network, but adding GPS receivers or other sophisticated sensors to every node can be expensive. W...
Yi Shang, Wheeler Ruml, Ying Zhang, Markus P. J. F...