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» Modeling wireless shadow networks
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COMPSAC
2003
IEEE
15 years 7 months ago
Facilitating Secure Ad hoc Service Discovery in Public Environments
Securely accessing unfamiliar services in public environments using ad hoc wireless networks is challenging. We present a proxy-based approach that uses other existing network cha...
Feng Zhu, Matt W. Mutka, Lionel M. Ni
MOBIWAC
2006
ACM
15 years 7 months ago
Calibration-free WLAN location system based on dynamic mapping of signal strength
In this work we present a calibration-free system for locating wireless local area network devices, based on the radio frequency characteristics of such networks. Calibration proc...
Luís Felipe M. de Moraes, Bruno Astuto A. N...
MSWIM
2005
ACM
15 years 7 months ago
Performance analysis of differentiated ARQ scheme for video transmission over wireless networks
The Advance in video coding and wireless communication techniques has enabled video-based services to be the most important component of many emerging multimedia applications. The...
Fen Hou, Pin-Han Ho, Yongbing Zhang
PERCOM
2007
ACM
16 years 1 months ago
Context-Aware Model in a Ubiquitous Learning Environment
Cassia Pereira Nino, Jader Marques, Débora ...
ANSS
2004
IEEE
15 years 5 months ago
A Spatial Analysis of Mobility Models: Application to Wireless Ad Hoc Network Simulation
We quantatively analyze the differences between a realistic mobility model, TRANSIMS, and several synthetic mobility models. New synthetic models were created by modifying the sta...
D. Charles Engelhart, Anand Sivasubramaniam, Chris...