maximum likelihood Viterbi decoder
Design and Implementation of Convolutional Encoder and Viterbi Decoder
... and Viterbi decoder which will allow the receiver to detect and correct any errors without the need for ...the maximum likelihood Viterbi decoder solve the problem of the ...
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Implementation of Adaptive Viterbi Decoder on FPGA for Wireless Communication
... The Viterbi decoding algorithm was discovered and analyzed by Viterbi in ...1967.The Viterbi algorithm essentially performs maximum likelihood decoding; even, it reduces the ...
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A low complexity maximum likelihood decoder for tail biting trellis
... In the first example, different decoders were applied for decoding the tail-biting convolutional codes (64, 32) with octal generator polynomials {345, 237}, which can be represented by a 128-state tail-biting trellis ...
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Implementation of Convolution Encoder and Viterbi Decoder
... Maximum likelihood (ML) sequence will be obtained from the track of paths that occur for Viterbi algorithm is essential for processing information ...the Viterbi algorithm is the trellis ...
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Design and Implementation of High Speed Low Power Viterbi Decoder
... The Viterbi decoding algorithm, proposed in 1967 by Viterbi, is a decoding process for convolution codes in memory-less noise ...The Viterbi decoding algorithm provides both a ...
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IMPLEMENTATION OF VITERBI ALGORITHM ON DSP
... Viterbi decoding has been shown [9] to be a practical method for improving satellite and space communication efficiency by 4 to 6 dB, at a bit error rate of ...Adaptive Viterbi algorithm, referred to as ...
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Adaptive decoding of convolutional codes
... the Viterbi Decoder. On the one hand the Viterbi Decoder is an optimum maximum likelihood decoder, ...based decoder is ...
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VLSI Architecture of Configurable Low Complexity Hard Decision Viterbi Decoder Prashant Shirke
... A Viterbi algorithm has served as a powerful method for decoding of the convolutional code so as to control errors in data transmission over a noisy ...on maximum likelihood algorithm for decoding ...
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Optimum Viterbi Decoder Design and its Implementation on FPGA
... ABSTRACT:The Viterbi decoder is the most important part in the ...receiver. Viterbi algorithm is one of the most common decoding algorithms used for decoding convolutional ...codes. Viterbi ...
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The Design of Viterbi Decoder with Higher Efficiency
... The Viterbi algorithm is the most resource-consuming, but it does the maximum likelihood ...and viterbi decoder and will implement in ...the viterbi decoder which decodes ...
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Design Approach of High Speed Parallel Processed Viterbi Decoder with Pipelining Technique
... The Viterbi algorithm has been known as a maximum likelihood decoding algorithm for convolutional ...―maximum likelihood sequence‖. The Viterbi algorithm uses the trellis diagram ...
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A parallel Viterbi decoder for block cyclic and convolution codes
... decision Viterbi decoders applied to cyclic as well as convolution ...the maximum likelihood, rather than comparing the Hamming ...the decoder (a factor of 8 only for the Golay codes) and in ...
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Design And Comparison Of Viterbi Decoder On Spartan-3A (XC3S400A-4FTG256C) and Spartan-3E (XC3S500E-4FT256) Using Verilog
... Therefore, maximum likelihood decoding is based on calculating the hamming distances for each branch forming encode ...[7] Viterbi algorithm performs ML decoding by reducing its ...The Viterbi ...
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Performance and Analysis of Viterbi Decoder Using VHDL
... A.J. Viterbi proposed an algorithm as an ‘asymptotically optimum’ approach to the decoding of convolutional codes in memory-less ...The Viterbi algorithm (VA) had already been known as a maximum ...
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IMPLEMENTATION OF EFFICIENT CONVOLUTIONAL ENCODER AND MODIFIED VITERBI DECODER
... and Viterbi decoder are widely used due to the excellent error control ...the Viterbi Algorithm (VA), requires an exponential increase in hardware complexity to achieve greater decode ...Modified ...
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ERROR CORRECTION SYSTEM USING ARTIFICIAL NEURAL NETWORK
... the Viterbi decoding developed by Andrew J ...of maximum likelihood of events [1, 2]. The maximum likelihood receiver implies selecting a code word closest to the received ...Basically, ...
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Design of Asynchronous Viterbi Decoder Using Pipeline Architecture
... 2] decoder was firstly introduced in 1967 by Andrew J. Viterbi which was modified in 1971[3] by Forney considering it is the best suited for decoding the maximum likelihood ...in ...
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Typical Implementation of VITERBI Decoder for efficient error detection and correction
... Here first main machine responds for first two bits of encoded data by calculating path metrics and branch metrics in all cases mean while both sub machines calculates the path metrics using present loaded data bits and ...
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The Dual of the Maximum Likelihood
... The Maximum Likelihood method estimates the parameter values of a statistical model that maximizes the corresponding likelihood function, given the sample ...the Maximum Likelih- ood method ...
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LOW POWER VITERBI DECODER FOR TCM USING T-ALGORITHM
... In this paper, a low power and high speed decoding algorithms are discussed. Viterbi decoder with modified T- algorithm with precomputation algorithm is presented. Trace back method is more efficient if low ...
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