Titlebook: Information Processing and Management; International Confer Vinu V Das,R. Vijayakumar,Nessy Thankachan Conference proceedings 2010 Springer

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Performance Analysis of Coded OFDM for Various Modulation Schemes in 802.11a Based Digital Broadcasal Frequency Division Multiplexing (OFDM) is one of the techniques for parallel transmission. The performance of uncoded orthogonal frequency division multiplexing (OFDM) over fading channels is generally improved by introducing some kind of channel coding. Coded OFDM (COFDM) has therefore been chos

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Fast OVSF Code Assignment Scheme for WCDMA Wireless Networks, blocking limitation which reduces the throughput and spectral efficiency of the system. Also, real time calls suffer from call processing delay. We propose a single OVSF code assignment design which utilizes offline optimum code selection algorithm so that the optimum code is available at the arriv

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迷住

Wavelet-Domain ,,-Constrained Two-Stage Near-Lossless EEG Coder, layer (until bitplane ..) followed by entropy coding of the wavelet domain residuals. ..-error bound is fixed in wavelet domain and the corresponding time-domain absolute error variation is studied. Studies show that intermediate demarcating bit-planes (..) register a higher compression and gives a

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幻影

A Novel Digital Algorithm for Sobel Edge Detection, the speed of transmission of that image, in network communication. Here comes the need to reduce the number of bits required to represent an image. Many scholars have discovered that the most of the vital information lies in the edge of the image. Edges being the local property of a pixel and its i

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drusen

Recognition of Isolated Indian Sign Language Gesture in Real Time, are produced using both hands. A video database is created and utilized which contains several videos, for a large number of signs. Direction histogram is the feature used for classification due to its appeal for illumination and orientation invariance. Two different approaches utilized for recogni

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bifurcate

Object Location in Cluster Based Mobile Ad Hoc Networks,ffective and better results when comparing with the very well known location protocol that is GLS (Grid Location Services). The algorithm also registers and updates the location information of mobile nodes as well as searches their current location in ClusterHead tables. The simulation results show