Decoding Algorithms for Block Codes
Trellises and Trellis-Based Decoding Algorithms for Linear Block Codes
... The symbol-level N-section trellis diagram for an (g, K) linear block code C over GF(q) has the following basic properties: (1) every branch is labeled with a code symbol from GF(q); (2)[r] ...
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Simplified decoding techniques for linear block codes
... optimal codes having the maximum possible minimum distance for a specific code length and dimension and to develop a simple decoding algorithm for ...algebraic codes involve simple encoding ...
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Convergence Analysis of Turbo Decoding of Serially Concatenated Block Codes and Product Codes
... SCPC decoding scheme, at least one of these de- coders is an ...the decoding algorithms proposed by Benedetto and Pyn- diah by deriving the corresponding update ...component codes: the ...
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A Fast Sphere Decoding Algorithm for Space-Frequency Block Codes
... SF block codes constructed from orthogonal and quasi- orthogonal designs based on the idea of sphere ...the decoding problem in the complex do- main, which allows us to fully exploit the distance ...
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Design and Implementation of Improved Decoding Algorithms for LDPC Convolutional Codes
... Error-correcting codes are a vital part of any reliable communication ...error-correcting codes, they have evolved to a great extent. Convolutional codes are used in Global Sys- tem for Mobile ...
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Ordered statistics based list decoding techniques for linear binary block codes
... list decoding techniques for linear binary block codes of small to medium block length are ...ordered-statistics decoding (OSD) is generalized by assuming segmentation of the most ...
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Reliability Level List Based Iterative SISO Decoding Algorithm for Block Turbo Codes
... concatenated codes by combining an inner code with an outer code and achieved exponentially decreasing error performance ...iterative decoding method for concatenated product block codes and ...
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On the complexity-performance trade-off in soft-decision decoding for unequal error protection block codes
... (UEP) codes provide a selective level of protection for different blocks of the information ...soft-decision decoding algorithms, namely generalized Chase-2 and weighted erasure decoding, is ...
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Majority Voting Procedure Allowing Soft Decision Decoding of Linear Block Codes on Binary Channels
... decision decoding algorithm of linear block codes by combining a vote procedure with a soft decision de- ...decision decoding algorithms becomes exploitable in the case of binary ...
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CiteSeerX — CAPACITY APPROACHING CODES, ITERATIVE DECODING ALGORITHMS, AND THEIR APPLICATIONS
... convolutional codes, there is also no termination principle more ver- satile than circular ...perfect block code!), without any side effects or need for additional ...turbo codes based on CRSC ...
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CiteSeerX — Graph-based iterative decoding algorithms for parity-concatenated trellis codes
... iterative algorithms for a 256-state parity-concatenated trellis code with an SPC structure at a spectral efficiency of ...iterative decoding stage, the decoder needs to estimate the initial state for each ...
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Simplification of Procedure for Decoding Reed-Solomon Codes Using Various Algorithms: An Introductory Survey
... IV. DECODER The Reed-Solomon decoder tries to correct errors and/or erasures by calculating the syndromes for each codeword. Based upon the syndromes the decoder is able to determine the number of errors in the received ...
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Iterative Decoding of Concatenated Codes: A Tutorial
... the block length to become arbitrarily long, large sample approximations may be invoked, which typi- cally take the form of log-pseudoprobability ratios approach- ing independent Gaussian random ...shorter ...
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On the Performance of Sphere Decoding of Block Codes
... sphere decoding of block codes over a variety of channels is ...likelihood decoding of linear codes on q-ary symmetric ...modulated block codes. The performance of soft ...
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Adaptive iterative decoding : block turbo codes and multilevel codes
... In chapter 4 a new approach to iterative multistage decoding is derived by treating the extrinsic information as a Gaussian random variable (Gaussian approach). The Ga[r] ...
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Errors-and-Erasures Decoding for Block Codes With Feedback
... and decoding schemes, and hence finding optimal performance by characterizing the surface of achievable error exponent erasure exponent pairs is an important motivation for the investigation of errors-and-erasure ...
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Adaptive nested trellis decoding for block codes
... ABSTRACT. A new adaptive trellis decoding technique for block codes is proposed. The technique is based on a recently introduced encoding technique which allows t h[r] ...
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Iterative Decoding Algorithms for Turbo Product Codes
... (SISO) algorithms can be used for the iterative decoding ...SISO algorithms, Maximum A Posteriori (MAP) algorithm and Soft Output Viterbi Algorithm (SOVA), the system is simulated and performances, ...
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Low complexity trellis decoding of linear block codes
... The weight distribution function (WDF) of the code is shown in Fig.. is no need to design a second additional array code, C3. , 7, represent single parity check digits for r[r] ...
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COMPARISON OF SIMPLIFIED GRADIENT DESCENT ALGORITHMS FOR DECODING LDPC CODES
... search point appears to be helpful for the search point to escape from an undesirable local maximum. Such a perturbation process can be expected to improve the BER performance of BF algorithms. One of the simplest ...
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