Near-ML Decoding of CRC Codes

Near-ML Decoding of CRC Codes. Ragha Sudha Yalamarthy. School of Electrical and. Computer Engineering. University of Virginia. Charlottesville, Virginia ...

On List Sequence Turbo Decoding

code in order to achieve improved decoding performance in error control schemes ... outer cyclic redundancy check (CRC) codes, have similarities with Turbo .... the gains of LS maximum-likelihood (ML) decoding are due to an increase of the ...

Soft-decision Decoding Of CRC Codes - Information Theory, 1991 ...

and when the decoding is maximum likelihood for such a channel. In particular we point out that the typical distance-4 CRC codes have asymptotic coding gains ...

Dual-Mode Decoding of Product Codes with Application to Tape ...

is employed for the column code in a second decoding mode. For the second mode, ... (erasures) flagged by the row code or a packet-level CRC code during the first ... algorithms for the maximum-likelihood (ML) decoding of binary-codes on ...

Maximum-likelihood Decoding And Code Combining For DS/SSMA ...

the case with FEC, maximum-likelihood decoding with code combining is used. ... cases, combining multiple copies of the same packet results in a throughput which .... check (CRC) code is applied to detect erroneous packets after decoding.

List Decoding Of Turbo Codes - Communications, IEEE ...

transmission, the cyclic redundancy check (CRC) code forms a convenient outer ... analysis in [8] to turbo codes, assuming an ML list decoder. The analysis ...

Error Correction on an Insertion/Deletion Channel Applying Codes ...

The CRC-CCITT code is used in HDLC (or ISO/IEC 13239),. ISO 14443 (proximity .... ML decoding corresponds to picking the legal codeword with the smallest ...

Incremental Redundancy Hybrid ARQ with LDPC and Raptor Codes

end by an error detecting (usually cyclic redundancy check (CRC)) code. .... In this paper, we first study the spectra of Raptor codes and the ML decoding error ...

Achieving a nearoptimum erasure correction performance with ...

confirm that a judicious LDPC code design allows achieving a near-optimum ... important to point out that, for LDPC codes, ML decoding is feasible for longer ... and by an error detection code such as a cyclic redundancy check (CRC) code.

CRC-Assisted Error Correction in a Convolutionally Coded System

a convolutional code (CC), erroneous packets after CC decoding are usually ... is in the list, that is, if any of L sequences passes CRC. ..... ML estimate of e is ...

Linear Block Codes Encoding and Syndrome Decoding

Feb 28, 2012 – For a linear block code, an ML decoder takes n re- ceived bits as ..... code (like a CRC) at the end of the packet, as described in Section 6.6.

Maximum Likelihood Decoding on a Communication Channel

ML decoding was also studied when some code is transmit- ted over the channel, such as Turbo Codes (Hui Jin and. McEliece ... rel (2006)) or Cyclic Redundant Codes - CRC (Haykin ... channel was analyzed in Alajaji and Fuja (1994) where ...

Signal detection for MIMO-OFDM wireless communications ...

system uses two independent space-time codes for two sets of two ... likelihood (ML) decoding or ML decoding based .... If the CRC codes in the data blocks find ...

EEL 6550 - Error Control Coding

Pre-requisite EEL 5544 Noise in Linear Systems, basic knowledge of digital communications ... CRC codes in Chapter 6). ... Maximum likelihood decoding ...

A comparison of trellis coded and Reed-Solomon coded hybrid-ARQ ...

In the two-code approach, an error-detecting cyclic redundancy check (CRC) ..... For MPSK modulation the ML decoding metric is proportional to the real part of ...

Iterative list decoding of concatenated source/channel codes (third ...

sequences in maximum-likelihood sense. Then, an outer er- ror detecting code, usually a cyclic redundancy check (CRC) code, verifies the validity of the ...

Block-BCJR Algorithm

In fact, in both cases, one is trying to perform a soft decoding of a cyclic redun- dancy check (CRC) considered as a block code. Obviously, the precise situation ...

Concatenation-Assisted Symbol-Level Combining Scheme for MIMO ...

proved to have the optimal decoding performance in a sense that all the ... errors using a CRC code. .... shown that the MRC scheme with ML decoding achieves ...

List-Decoding of Variable-Length Codes with Application in Joint

with the help of a non-binary outer CRC code. We show that the ... quences in maximum likelihood sense. ... In an ML decoder, an error occurs if the received se- ...

COMPARING LIST VITERBI ALGORITHMS WITH AND WITHOUT ...

ML decoder for convolutional codes that are concatenated with an outer code. In [3] it has been shown that for concatenated CRC and convolutional codes, the ...