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trellis-based decoding complexity

Application of syndrome based Turbo decoding with adaptive computational complexity in LTE downlink

Application of syndrome based Turbo decoding with adaptive computational complexity in LTE downlink

... of trellis complexity and decod- ing performance, it can be modified to achieve adaptive de- coding complexity based on the so called Block Syndrome Decoding (BSD) ...Viterbi ...

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Joint Iterative Decoding of Trellis Based VQ and TCM

Joint Iterative Decoding of Trellis Based VQ and TCM

... (VQ) based video codec and a Trellis-Coded Modulation (TCM) scheme is ...a trellis structure, which is employed as the basis for optimal minimum mean-squared-error VQ-encoding and ...(16QAM) ...

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Joint Source and Channel Decoding for Variable Length Encoded Turbo Codes

Joint Source and Channel Decoding for Variable Length Encoded Turbo Codes

... channel decoding (JSCD) has been proved to be an effective technique which can improve decoding performance by exploiting residual source ...VLC trellis with a convolutional trellis, we ...

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Joint source/channel iterative arithmetic decoding with JPEG 2000 image transmission application

Joint source/channel iterative arithmetic decoding with JPEG 2000 image transmission application

... and decoding, we consider the decoding problem of Arithmetic Codes ...arithmetic decoding and error correction ...arithmetic decoding algorithm based on Maximum A Posteriori sequence ...

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A Non Binary Trellis Code Modulation based Novel Decoding Algorithm

A Non Binary Trellis Code Modulation based Novel Decoding Algorithm

... Power and bandwidth are limited resources in modern communications systems, and their efficient exploitation invariably involves an increase in the complexity of a communication system. One very successful method ...

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High-rate systematic recursive convolutional encoders: minimal trellis and code search

High-rate systematic recursive convolutional encoders: minimal trellis and code search

... minimal trellis for a recursive systematic convolutional encoding ...a trellis minimizes the trellis complexity measure intro- duced by McEliece and Lin [6], which applies to trellis- ...

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Generalized Punctured Convolutional Codes with Unequal Error Protection

Generalized Punctured Convolutional Codes with Unequal Error Protection

... minimal trellis complexity TC( M) in the search criterion several codes which are not listed in the literature can be ...available decoding complexity values are very large (the ...

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A low complexity maximum likelihood decoder for tail biting trellis

A low complexity maximum likelihood decoder for tail biting trellis

... is based on depth-first searches is a little better than the B-CVA ML decoder in the number of real addi- ...tail-biting trellis shows the highest decoding ...tail-biting trellis, exhibits ...

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Low complexity a posteriori probability approximation in EM based channel estimation for trellis coded systems

Low complexity a posteriori probability approximation in EM based channel estimation for trellis coded systems

... of trellis- coded modulation requires the use of the BCJR algorithm to efficiently compute the exact symbol ...computational complexity of the BCJR algorithm is about three times that of the Viterbi ...

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A new computational decoding complexity measure of convolutional codes

A new computational decoding complexity measure of convolutional codes

... ber of machine cycles based on simulations of the TMS320C55xx DSP from Texas Instruments. This device belongs to a family of well-known 16-bit fixed-point low- power consumption DSPs suited for telecommunication ...

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Low-complexity iterative receiver design for mobile OFDM systems

Low-complexity iterative receiver design for mobile OFDM systems

... computational complexity of SIC-MAP is roughly only 22% that of ...the complexity of MMSE-OND2 is approximately ...computational complexity is far less even than that of a commonly used noniterative ...

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Magnetization Performance of LDPC Reduced Complexity Decoding Algorithms

Magnetization Performance of LDPC Reduced Complexity Decoding Algorithms

... In this paper, we have been interested in the decoding of LDPC codes from a statistical physics approach. First, we have examined the correspondence between LDPC codes and Ising spin systems. The relation between ...

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Cyclic Codes: Low-Weight Codewords and Locators

Cyclic Codes: Low-Weight Codewords and Locators

... a decoding algorithm for cyclic codes whose efficiency depends on the sparsity of this polyno- ...computational complexity of the general error locator polynomial for the two error-correctable cyclic codes ...

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A Novel Approach for Turbo Decoding In ISI Channel

A Novel Approach for Turbo Decoding In ISI Channel

... encoder trellis. But, the main problem with the design of Super-trellis is that, in the presence of interleaver, we do not know output of encoder-2 (Since we do not know the input bit to encoder-2 and its ...

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Decoding complexity in word replacement translation models

Decoding complexity in word replacement translation models

... The general architecture is the source-channel model: an English string is statistically generated source, then statistically transformed into French channel.. In order to translate or "[r] ...

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Complexity Reduction in ML Decoding For MIMO Systems

Complexity Reduction in ML Decoding For MIMO Systems

... computational complexity in the ...the complexity, linear detection methods like zero forcing (ZF) and minimum mean square equalization has been proposed, the drawback is, they show a poor bit-error-rate ...

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A Tree Trellis Based Fast Search for Finding the N Best Sentence Hypotheses in Continuous Speech Recognition

A Tree Trellis Based Fast Search for Finding the N Best Sentence Hypotheses in Continuous Speech Recognition

... A Tree Trellis Based Fast Search for Finding the N Best Sentence Hypotheses in Continuous Speech Recognition A Tree Trellis Based Fast Search for Finding the N Best Sentence Hypotheses in Continuous S[.] ...

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CONSTRUCTING SPACE-TIME CODES VIA EXPURGATION AND SET PARTITIONING

CONSTRUCTING SPACE-TIME CODES VIA EXPURGATION AND SET PARTITIONING

... It is well-known that diversity, despite being widely used as a design criterion, may not be enough to ensure good performance of a wireless system. This is partly due to the fact that the diversity factor may not appear ...

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Minimum decoding trellis length and truncation depth of wrap around Viterbi algorithm for TBCC in mobile WiMAX

Minimum decoding trellis length and truncation depth of wrap around Viterbi algorithm for TBCC in mobile WiMAX

... and decoding trellis length in mobile ...cular decoding algorithms with adaptive decoding trellis length were proposed in ...fixed decoding trellis length with fixed ...

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Trellis Coding based on RLLPUM Codes for RFID Reader-to-Tag Channel

Trellis Coding based on RLLPUM Codes for RFID Reader-to-Tag Channel

... Abstract: Trellis coding techniques are simple graphical methodology in the encoder and decoder development in information ...minimal trellis designs with less complex approach are identified using Shannon ...

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