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WISEC
2010
ACM
14 years 2 months ago
2010
ACM
We expose the vulnerability of an emerging wireless ranging technology, impulse radio ultra-wide band (IR-UWB), to distance-decreasing attacks on the physical communication layer ...
DSN
2003
IEEE
14 years 1 months ago
2003
IEEE
The presence of physical obstacles and radio interference results in the so called “shadow regions” in wireless networks. When a mobile station roams into a shadow region, it ...
MOBIHOC
2004
ACM
14 years 7 months ago
2004
ACM
Smart antennas represent a broad variety of antennas that differ in their performance and transceiver complexity. The superior capabilities of smart antennas, however, can be leve...
PEWASUN
2004
ACM
14 years 1 months ago
2004
ACM
This paper studies the performance of a multi-rate mobile ad hoc network (MANET) using an extended ns-2 simulator. A link adaptation algorithm is developed and tested. The multi-r...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Ultra wideband (UWB) systems are currently an important wireless infrastructure for efficient shortrange communications. To improve the system efficiency while guaranteeing the ra...