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ICTCS
2005
Springer
15 years 5 months ago
Improved Algorithms for Polynomial-Time Decay and Time-Decay with Additive Error
Abstract. We consider the problem of maintaining polynomial and exponential decay aggregates of a data stream, where the weight of values seen from the stream diminishes as time el...
Tsvi Kopelowitz, Ely Porat
CORR
2007
Springer
154views Education» more  CORR 2007»
14 years 11 months ago
To Code or Not to Code Across Time: Space-Time Coding with Feedback
Abstract— Space-time codes leverage the availability of multiple antennas to enhance the reliability of communication over wireless channels. While space-time codes have initiall...
Che Lin, Vasanthan Raghavan, Venugopal V. Veeraval...
VTC
2010
IEEE
130views Communications» more  VTC 2010»
14 years 10 months ago
Performance of the Space-Time Block Coded DS-CDMA Uplink Employing Soft-Output ACO-Aided Multiuser Space-Time Detection and Iter
Abstract—In this treatise we propose a three-stage twin-transmitantenna assisted MultiUser (MU) Direct Sequence Code-Division Mulitple Access (DS-CDMA) system employing both a Un...
Chong Xu, Mohammed El-Hajjar, Robert G. Maunder, L...
ECOOP
1995
Springer
15 years 3 months ago
Time and Asynchrony in Interactions among Distributed Real-Time Objects
Abstract. This paper presents a framework of specification and verification for distributed real-time object-oriented systems. An earlier paper [17] introduced a process calculus...
Ichiro Satoh, Mario Tokoro
NFM
2011
223views Formal Methods» more  NFM 2011»
14 years 6 months ago
opaal: A Lattice Model Checker
Abstract. We present a new open source model checker, opaal, for automatic verification of models using lattice automata. Lattice automata allow the users to incorporate abstracti...
Andreas Engelbredt Dalsgaard, René Rydhof H...