hard decision
VLSI Architecture of Configurable Low Complexity Hard Decision Viterbi Decoder Prashant Shirke
... of hard decision Viterbi decoder with encoding rate of 1/2 and constraint length of k = 3 is presented in this paper for the application in satellite ...
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Title: HARD DECISION AND SOFT DECISION DECODING ALGORITHMS FOR LDPC AND QC-LDPC CODES
... this hard decoding scheme [3] the check nodes finds the bit in error by checking the parity which may be even or odd and the messages from variable nodes are transmitted to check nodes, check node checks the ...
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Orthogonal DF Cooperative Relay Networks with Multiple SNR Thresholds and Multiple Hard Decision Detections
... whether its channel is reliable by comparing its received SNR to the first threshold value, and informs the second relay by sending a single-bit message indicating whether the first section of the relay link is reliable. ...
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Implementation Of High Throughput And Area Efficient Hard Decision Viterbi Decoder Using Verilog Hdl
... Hamming distance between the received code word and the allowed code word is calculated by checking the corresponding bit positions of the two code words. For example hamming distance between the code words 00 and 11 is ...
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Hard Decision Decoding of Multidimensional Turbo Product Codes Using Iterative Algorithm
... In this paper we proposed a new iterative algorithm to overcome the disadvantage of the existing algorithm .The algorithm is applied on the multidimensional turbo product codes to lower the complexity we are using single ...
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Hard Decision Based PWM for MIMO OFDM Radar
... As shown in Figure 2, the conversion process is divided into the following stages: First stage: • In order to distinguish each symbol after the conversion process an extra zero sample ha[r] ...
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FPGA Prototyping of RNN Decoder for Convolutional Codes
... for hard-decision decoding coupled with a simple hard-limiting neuron acti- vation function results in a very low complexity, which easily fits into standard Altera ...
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PERFORMANCE OF SEPARATED RANDOM USER SCHEDULING (SRUS) AND JOUNT USER SCHEDULING (JUS) IN THE LONG TERM EVOLUTION ADVANCED
... stage, hard decision based decoding is carried out for spatial dimensions and in the second, Bayesian probability is employed after parallel interference ...
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Fast Multi-Symbol Based Iterative Detectors for UWB Communications
... the decision variables by summing up the correlation of di ff erent symbol waveforms, each properly weighted by the reliability of detected symbols and iteratively updating the weights and detected ...proposed: ...
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Optimum Viterbi Decoder Design and its Implementation on FPGA
... namely hard decision Viterbi decoding and soft decision Viterbi ...of hard decision Viterbi decoder involves finding Hamming distance metric and the path with lowest Hamming distance ...
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Graphical User Interface for Simulating Convolutional Coding with Viterbi Decoding in Digital Communication Systems using Matlab
... The objective of this paper work is to design and program MATLAB graphical User Interface for simulating ½ rate convolutional encoder with Viterbi decoder. The encoding process was demonstrated using a (2, 1, 3) ...
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Decision Aggregation in Distributed Classification by a Transductive Extension of Maximum Entropy/Improved Iterative Scaling
... must have access to the local class posteriors, not just to the hard decision output by the local classifier; e.g., the method in [18] performs explicit prior correction and thus requires access to soft ...
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ANALYSIS AND REVIEW OF EFFICIENT DECODING ALGORITHMS FOR LOW DENSITY PARITY CHECK(LDPC) CODE
... Error detection and correction in channel coding are key objectives. LDPC codes are proved a most efficient channel coding scheme for wireless communication [1]. We have introduced LDPC encoding, decoding algorithms and ...
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Research on Outage Performance Optimization of Cognitive Relay Network with Cooperative Sensing
... The through- put and spectrum efficiency of cognitive radio networks can be greatly improved by applying cooperative sensing based on hard decision fu- sion rule [5,6], and the detecti[r] ...
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Impact of constraint length on performance of Convolutional CODEC in AWGN channel for image application
... with hard decision for the different constraint lengths and for the different generator polynomials have been discussed in [14] and also two burst error techniques are also discussed to reduce the burst ...
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Multi-user MIMO MMSE non-regenerative relaying using local channel state information
... In Figure 4, we compare the performance of RBD AF algorithm and a system using hard decision DF relaying in an overloaded system, i.e., the system where the total number of antennas at the UTs is greater ...
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On the Convergence of Iterative Receiver Algorithms Utilizing Hard Decisions
... soft decision interference cancellation (ISDIC) receivers whose soft decision functions approach hard decision functions in course of the ...
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New approaches to the analysis and design of Reed Solomon related codes
... that hard-decision decoders, which do not make use of the reliability information from the channel, are symbol based ...Such hard-decision decoders, as the Berlekamp-Massey algorithm and the ...
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Performance Evaluation of Bit Flipping and Sum Product Algorithm of LDPC coder in Different Channel Environment
... throws hard decision and soft decision algorithm of LDPC. The hard decision algorithm contains Bit flipping algorithm and Soft decoding algorithm contains Sum product algorithm which is ...
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Iterative Sparse Channel Estimation and Decoding for Underwater MIMO-OFDM
... of hard or soft symbol decisions, as well as their threshold-controlled ...soft decision feedback slightly outperforms hard decision ...
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