Results 41 to 50 of about 184,562 (108)

Good Concatenated Code Ensembles for the Binary Erasure Channel [PDF]

open access: yesIEEE J. Select. Areas Commun., vol. 27, no. 6, pp. 928-943, Aug. 2009, 2009
In this work, we give good concatenated code ensembles for the binary erasure channel (BEC). In particular, we consider repeat multiple-accumulate (RMA) code ensembles formed by the serial concatenation of a repetition code with multiple accumulators, and the hybrid concatenated code (HCC) ensembles recently introduced by Koller et al. (5th Int.
arxiv  

A Serial Concatenation of Binary-Input Nonbinary-Output Convolutional Code and Recursive Convolutional Lattice Code

open access: yesIEEE Access, 2018
The recently proposed recursive convolutional lattice code (RCLC) can form a signal with pseudo-Gaussian constellations, and their parallel concatenation is shown to approach the Shannon limit. A practical limitation is that its input symbol is limited to L2-ary quadrature amplitude modulation (QAM), which has non-power-of-two constellation points when
Toshiki Matsumine, Hideki Ochiai
openaire   +3 more sources

Analysis and Design of Serially Concatenated LDGM Codes [PDF]

open access: yesarXiv, 2018
In this paper, we first present the asymptotic performance of serially concatenated low-density generator-matrix (SCLDGM) codes for binary input additive white Gaussian noise channels using discretized density evolution (DDE). We then provide a necessary condition for the successful decoding of these codes. The error-floor analysis along with the lower
arxiv  

Detection and Decoding for 2D Magnetic Recording Channels with 2D Intersymbol Interference [PDF]

open access: yesarXiv, 2014
This paper considers iterative detection and decoding on the concatenated communication channel consisting of a two-dimensional magnetic recording (TDMR) channel modeled by the four-grain rectangular discrete grain model (DGM) proposed by Kavcic et.
arxiv  

VHDL Implementation of different Turbo Encoder using Log-MAP Decoder [PDF]

open access: yesJournal of Telecommunications, Volume 2, Issue 1, p49-53, April 2010, 2010
Turbo code is a great achievement in the field of communication system. It can be created by connecting a turbo encoder and a decoder serially. A Turbo encoder is build with parallel concatenation of two simple convolutional codes. By varying the number of memory element (encoder configuration), code rate (1/2 or 1/3), block size of data and iteration,
arxiv  

On the design of binary serially concatenated convolutional codes

open access: closed1999 IEEE Communications Theory Mini-Conference (Cat. No.99EX352), 1999
The serial concatenation of simple binary convolutional codes through an interleaver is a technique that yields, through iterative decoding, performance similar to, and in some cases better than, those of turbo codes (parallel concatenated convolutional codes).
Sergio Benedetto   +3 more
openalex   +3 more sources

Iterative decoding of serially concatenated convolutional codes and MSK

open access: closedIEEE Communications Letters, 1999
The performance of iterative decoding and demodulation of serially concatenated convolutional codes and minimum shift keying (MSK) is studied. It is shown that by appropriately combining the trellises of MSK and the inner code, a high performance coded modulation system can be achieved.
Victor F. Szeto, S. Pasupathy
openalex   +3 more sources

Interleaver Design for Serial Concatenated Convolutional Codes

open access: closedIEEE Communications Letters, 2004
In this paper, we present an interleaver design method for SCCC. Our design criterion is to minimize the message-round probability in the SCCC graph which is specially well suited for SCCC. The message-round probability characterizes the message flow in the SCCC graph. By minimizing it, we can get a large interleaving gain.
Jiangying Yu   +4 more
openalex   +3 more sources

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