Viterbi decoder complexity reduction
Design and Implementation of Convolution Encoder and Viterbi Decoder
... BIPMAP decoder architecture which provides a throughput gain of ...a reduction in logic complexity by a factor of M, where M is the level of ...based decoder architectures improves the ...
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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 ...
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Adaptive decoding of convolutional codes
... computational complexity of the Syndrome Decoder are equivalent to the Viterbi Decoder for worst case transmission conditions, the syndrome based de- coder allows an adaptive reduction ...
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A parallel Viterbi decoder for block cyclic and convolution codes
... the Viterbi algorithm as a matrix-vector reduction in which multiplication is replaced by addition and addition by ...connectivity complexity of the resulting ...
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Long Term Evolution of Turbo Encoder and Decoder Architectures using Viterbi Algorithm
... 18.1% reduction in complexity according to the implementation results, which significantly reduces the complexity of the whole MAP core of the turbo ...
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LOW POWER VITERBI DECODER FOR TCM USING T-ALGORITHM
... discussed. Viterbi decoder with modified T- algorithm with precomputation algorithm is ...negligible reduction in decoding clock ...consumption reduction with only 11% reduction in ...
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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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A Novel High Speed Configurable Viterbi Decoder for Broadband Access
... This exploration is undertaken for a range of con- straint lengths from 7 to 10 selected to cover many broad- band access applications and also this range is challenging enough in terms of complexity to validate ...
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Speed and Power Optimization of FPGA'S Based on Modified Viterbi Decoder
... The viterbi decoder in TCM decoders is dominant module in terms of power ...computational complexity as well as power consumption, low-power schemes should be exploited for the VD in a TCM ...power ...
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VLSI Architecture of Configurable Low Complexity Hard Decision Viterbi Decoder Prashant Shirke
... The authors have proposed a high-speed low-power VD design for TCM systems. The pre-computation architecture that incorporates T-algorithm efficiently reduces the power consumption of VDs without reducing the decoding ...
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Software/Hardware Co-Design of HMM Based Isolated Digit Recognition System
... wide variety of techniques such as Dynamic Time Warping (DTW), Hidden Markov models (HMM) or Neural Network (ANN). Since the recognition accuracy is more for HMM, it is widely used in speech recognition. Hence, HMM is ...
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On the Implementation of a Low Power IEEE 802 11a Compliant Viterbi Decoder
... In our implementation, the fact that the traceback unit and the ACS unit run at 10 and 80 MHz respectively calls for buffering of decision bits emerging from the ACS unit for eight cycles. A FIFO block of size 64×8-bits ...
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ASIC Implementation of Convolution Encoder and Viterbi Decoder Based Cryptography System
... In the encode data of convolutional encoder into code rate of value by using the shifting data at the register to register and output data encryption. Here shift register used to modulo-2 adder encrypt data. ...
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Typical Implementation of VITERBI Decoder for efficient error detection and correction
... modified Viterbi decoder is also designed with single clock pulse for main machine and another two sub machines which are running at double clock ...our viterbi decoder is that it is having ...
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Implementation of Dual Booting Module of Convolution Encoder and Viterbi Decoder
... Engling Yeo et al (2013) [2] compared four different structures for the implementations of the ACS recursion. These inferences are applicable to the implementations of both soft and hard - decision Viterbi ...
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Hybrid Architecture for OFDM with Optimized Design of Analog Viterbi Decoder
... the decoder [8] There are four add-compare-select units (ACSUs), one for each trellis ...the Viterbi path elimination ...in Viterbi decoders with short constraint lengths. The decoder requires ...
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Low-Power Adaptive Viterbi Decoder for TCM Using T-Algorithm
... The precomputation architecture that incorporates T- algorithm efficiently reduces the power consumption of VDs without reducing the decoding speed appreciably. This algorithm is suitable for TCM systems which always ...
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Simulation of the Memory-Efficient Scan Decoder of Polar Codes
... An attractive alternative to LDPC codes are polar codes, discovered by Arikan [6], which feature a highly structured encoder and decoder that asymptotically achieve capacity on discrete memory less channels. ...
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Closed-form formulas for the electromagnetic parameters of inverted microstrip line
... The Viterbi algorithm proposed by A.J. Viterbi is based on the maximum likelihood decoding ...algorithm. Viterbi algorithm is implemented as per the ...The complexity is reduced by finding the ...
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Low Complexity Cordic Architecture for MIMO Decoder
... low complexity rotation unit. A low complexity CORDIC architecture is used for rotation ...low complexity CORDIC increases the speed of accelerator ...
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