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TMC
2010
111views more  TMC 2010»
15 years 5 months ago
Interference Management and Rate Adaptation in OFDM-Based UWB Networks
—Ultra-wideband (UWB) communications has emerged as a promising technology for high data rate wireless personal area networks (WPANs). Several proposals for UWB-based WPANs have ...
Raed T. Al-Zubi, Marwan Krunz
VLDB
2010
ACM
144views Database» more  VLDB 2010»
15 years 5 months ago
Methods for finding frequent items in data streams
The frequent items problem is to process a stream of items and find all items occurring more than a given fraction of the time. It is one of the most heavily studied problems in d...
Graham Cormode, Marios Hadjieleftheriou
ATAL
2010
Springer
15 years 4 months ago
Occlusion-aware multi-UAV surveillance
We present an agent-based coordination and planning method for aerial surveillance of multiple urban areas using a group of fixed-wing unmanned aerial vehicles (UAVs). The method ...
Eduard Semsch, Michal Jakob, Dusan Pavlícek...
P2P
2010
IEEE
127views Communications» more  P2P 2010»
15 years 4 months ago
Waiting for Anonymity: Understanding Delays in the Tor Overlay
Although Tor is the most widely used overlay for providing anonymity services, its users often experience very high delays. Because much of Tor usage is for Web applications, which...
Prithula Dhungel, Moritz Steiner, Ivinko Rimac, Vo...
ICASSP
2009
IEEE
15 years 4 months ago
Minimum BER beamforming in the RF domain for OFDM transmissions and linear receivers
In this paper, we study transmission schemes for a novel OFDMbased MIMO system which performs adaptive signal combining in radio-frequency (RF). Specifically, we consider the prob...
Javier Vía, Victor Elvira, Ignacio Santamar...