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VTC
2008
IEEE
103views Communications» more  VTC 2008»
16 years 1 months ago
On Synchronization of Opportunistic Radio OFDM Systems
—In this paper we present a study on pilot aided time and frequency synchronization for Opportunistic Radio (OR) OFDM systems which apply adaptive subcarrier allocation technique...
Marco Krondorf, Ting-Jung Liang, Gerhard Fettweis
ICMCS
2007
IEEE
149views Multimedia» more  ICMCS 2007»
16 years 1 months ago
Joint Source Coding and Data Rate Adaptation for Multi-User Wireless Video Transmission
Much attention has been paid to the problem of optimally utilizing resources such as spectrum, power and time in order to achieve the best video delivery quality in wireless commu...
Fan Zhai, Zhu Li, Aggelos K. Katsaggelos
IROS
2007
IEEE
127views Robotics» more  IROS 2007»
16 years 1 months ago
Dynamic redistribution of a swarm of robots among multiple sites
Abstract— We present an approach for the dynamic assignment and reassignment of a large team of homogeneous robotic agents to multiple locations with applications to search and r...
Ádám M. Halász, M. Ani Hsieh,...
GECCO
2007
Springer
160views Optimization» more  GECCO 2007»
16 years 25 days ago
An analysis of constructive crossover and selection pressure in genetic programming
A common problem in genetic programming search algorithms is destructive crossover in which the offspring of good parents generally has worse performance than the parents. Design...
Huayang Xie, Mengjie Zhang, Peter Andreae
ECRTS
2006
IEEE
16 years 22 days ago
A Formal Approach to Multi-Dimensional Sensitivity Analysis of Embedded Real-Time Systems
System robustness is a major concern in the design of efficient and reliable state-of-the-art heterogenous embedded real-time systems. Due to complex component interactions, reso...
Razvan Racu, Arne Hamann, Rolf Ernst