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MM
2009
ACM
160views Multimedia» more  MM 2009»
15 years 4 months ago
On statistical multiplexing of variable-bit-rate video streams in mobile systems
We consider the problem of broadcasting multiple variable-bit-rate (VBR) video streams from a base station to many mobile devices over a wireless network, so that: (i) perceived q...
Cheng-Hsin Hsu, Mohamed Hefeeda
CCS
2009
ACM
15 years 4 months ago
Proximity-based access control for implantable medical devices
We propose a proximity-based access control scheme for implantable medical devices (IMDs). Our scheme is based on ultrasonic distancebounding and enables an implanted medical devi...
Kasper Bonne Rasmussen, Claude Castelluccia, Thoma...
NDSS
2008
IEEE
15 years 4 months ago
Usable PIR
In [22] we showed that existing single-server computational private information retrieval (PIR) protocols for the purpose of preserving client access patterns leakage are orders o...
Peter Williams, Radu Sion
MOBISYS
2004
ACM
15 years 9 months ago
Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Jianliang Xu, Wang-Chien Lee, Xueyan Tang
IMC
2009
ACM
15 years 4 months ago
Impact of transient CSMA/CA access delays on active bandwidth measurements
WLAN devices based on CSMA/CA access schemes have become a fundamental component of network deployments. In such wireless scenarios, traditional networking applications, tools, an...
Marc Portoles-Comeras, Albert Cabellos-Aparicio, J...