In this paper, the authors propose a cross-layer design to meet the QoS requirements for smart grids employing the cognitive radio sensor networks for their control and monitoring operations. Existing routing protocols pertaining to QoS support are not able to simultaneously handle traffic of different characteristics present in smart grids. ...Download Now
In this paper, the source and relay transmit covariance matrices are jointly optimized for a fading multiple antenna relay channel when the transmitters only have partial Channel State Information (CSI) in the form of covariance feedback. For full-duplex transmission, the authors evaluate lower and upper bounds on the ergodic channel ...Download Now
Mining frequent item sets in a data set is a significant problem of data mining that can only be solved in exponential time. For especially very large data sets, finding frequent item sets in practical run times is extremely important. A market basket data set can be represented by a ...Download Now
In the first class of CE and SE departments, all of the students get a compulsory software language course. This paper indicates that using a procedural and inductive approach in teaching object oriented languages is far better than using the object-first approach with regard to the experiences gained during 5 ...Download Now
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