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ICC
2009
IEEE
130views Communications» more  ICC 2009»
13 years 7 months ago
Link Adaptation in Linearly Precoded Closed-Loop MIMO-OFDM Systems with Linear Receivers
Abstract--Upcoming multi antenna systems such as 3GPPLTE employ code book based multi-mode precoding in order to adapt to a wide range of channel conditions. Link adaptation, which...
Eckhard Ohlmer, Gerhard Fettweis
CORR
2010
Springer
176views Education» more  CORR 2010»
13 years 6 months ago
Cooperative Distributed Sequential Spectrum Sensing
Abstract--We consider cooperative spectrum sensing for cognitive radios. We develop an energy efficient detector with low detection delay using sequential hypothesis testing. Seque...
Jithin K. S, Vinod Sharma, Raghav Gopalarathnam
ATVA
2007
Springer
115views Hardware» more  ATVA 2007»
14 years 3 months ago
A Compositional Semantics for Dynamic Fault Trees in Terms of Interactive Markov Chains
Abstract. Dynamic fault trees (DFTs) are a versatile and common formalism to model and analyze the reliability of computer-based systems. This paper presents a formal semantics of ...
Hichem Boudali, Pepijn Crouzen, Mariëlle Stoe...
RTAS
2005
IEEE
14 years 2 months ago
Out-of-Norm Assertions
Abstract— The increasing use of electronics in transport systems, such as the automotive and avionic domain, has lead to dramatic improvements with respect to functionality, safe...
Philipp Peti, Roman Obermaisser, Hermann Kopetz
IM
2007
13 years 10 months ago
Robust Monitoring of Network-wide Aggregates through Gossiping
Abstract—We investigate the use of gossip protocols for continuous monitoring of network-wide aggregates under crash failures. Aggregates are computed from local management varia...
Fetahi Wuhib, Mads Dam, Rolf Stadler, Alexander Cl...