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Recently, Lee et al. proposed a remote authentication model of information appliances (RAMIA). Unfortunately, RAMIA has a fatal error that opens the entire home network of information appliances to hackers. In this paper, we propose a new secure remote control model for information appliances (SRCMIA) to fix this error. Besides, our model can also achieve both message authentication and one-time secret...
The objective of this paper is to introduce Newland Harmonic wavelets and Pincus (1991) approximate entropy are applied to extract weak cycle jumps. Because some weak vibration signals contained strong noises are very important for fault forecast. Based on harmonic wavelet mesh plot of the vibration signals, we can induce contours of the mesh map with log space, then, we offer the time-frequency profile...
This paper studies efficient complex valued matrix manipulations for multi-user STBC-MIMO decoding. A novel method called Alamouti blockwise analytical matrix inversion (ABAMI) is proposed for the inversion of large complex matrices that are based on Alamouti sub-blocks. Another method using a variant of Givens rotation is proposed for fast QR decomposition of this kind of matrices. Our solutions...
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