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Serial Concatenated TCM With an Inner Accumulate Code—Part II: Density-Evolution Analysis
2005
IEEE Transactions on Communications
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In a companion paper, we showed the existence of decoding thresholds for maximum-likelihood (ML) decoding of a serial concatenated trellis-coded modulation (SCTCM) system with one or more inner accumulate ...
For an outer single paritycheck code, the lowest decoding thresholds are achieved with two inner accumulate codes. ...
Parallel concatenated TCM (PCTCM) was studied in [4] and [5] , and serial concatenated TCM (SCTCM) was introduced in [6] . ...
doi:10.1109/tcomm.2004.841986
fatcat:sszule4ogfgnrmr7ykz2yjdkoy
Serial Concatenated TCM With an Inner Accumulate Code—Part I: Maximum-Likelihood Analysis
2005
IEEE Transactions on Communications
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In this paper, we propose a serial concatenated trellis-coded modulation system using one or more inner rate-1 accumulate codes and a mapping to a higher order, Gray-labeled signal constellation. ...
Computer simulations demonstrate that the proposed system, despite its use of a simple rate-1 inner code, achieves performance in additive white Gaussian noise and Rayleigh fading that is comparable to ...
The inner code in the concatenation is a rate-1 accumulate code. ...
doi:10.1109/tcomm.2004.840630
fatcat:5xun2gpadnfkzdan7tz66z7ymu
Improving the Performance of Chaos-Based Modulations Via Serial Concatenation
2010
IEEE Transactions on Circuits and Systems Part 1: Regular Papers
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He is currently an Associate Professor with the Universidad Rey Juan Carlos, where he coordinates/collaborates in several undergradate and master courses in computer science and telecommunications engineering ...
He has been a Visiting Researcher with the Politecnico di Torino, Torino, Italy, and with the Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland. ...
Sanjuán Abstract-This paper proposes a serially concatenated system with an outer convolutional channel encoder and an inner chaosbased coded modulator. ...
doi:10.1109/tcsi.2009.2019408
fatcat:hkdn4wpyvzdrbf5h54egqhwzua
Design of Low-Density Parity-Check Codes for Modulation and Detection
2004
IEEE Transactions on Communications
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A coding and modulation technique is studied where the coded bits of an irregular low-density parity-check (LDPC) code are passed directly to a modulator. ...
For the MIMO channels, the technique operates within 1.25 dB of capacity for various antenna configurations, and thereby outperforms a scheme employing a parallel concatenated (turbo) code by wide margins ...
We remark that this structure is similar to that of an iterative decoder for a serially concatenated 0090-6778/04$20.00 © 2004 IEEE code that is based on a mixture of inner repetition codes and a mixture ...
doi:10.1109/tcomm.2004.826370
fatcat:tqy6vniuunbqhezczfxvzlcyju
Near-Capacity Wireless System Design Principles
2015
IEEE Communications Surveys and Tutorials
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In this tutorial, the design procedure of nearcapacity channel code design invoking non-binary EXtrinsic Information Transfer (EXIT) charts is illustrated by using design examples of Irregular Concatenated ...
Coding Arrangements (IC-CAs) relying on Irregular Convolutional Codes (IrCCs). ...
[8] , [28] Derived design guidelines for serially concatenated codes with the aid of the union-bound technique [8] , and also extended the turbo principle to multiple serially concatenated codes ...
doi:10.1109/comst.2015.2464300
fatcat:surmfvndbnfxtlufidg376uhzu
Channel Coding: The Road to Channel Capacity
[article]
2006
arXiv
pre-print
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Starting from Shannon's celebrated 1948 channel coding theorem, we trace the evolution of channel coding from Hamming codes to capacity-approaching codes. ...
We trace the antecedents of today's capacity-approaching codes: convolutional codes, concatenated codes, and other probabilistic coding schemes. ...
An RA code is generated by the serial concatenation of a simple (n, 1, n) repetition code, a large pseudo-random interleaver Π, and a simple 2-state rate-1/1 convolutional "accumulator" code with input-output ...
arXiv:cs/0611112v1
fatcat:iwrrtx7mpfhgzfenehztfi5vyy
Channel coding: The road to channel capacity
2007
Proceedings of the IEEE
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| Starting from Shannon's celebrated 1948 channel coding theorem, we trace the evolution of channel coding from Hamming codes to capacity-approaching codes. ...
We trace the antecedents of today's capacity-approaching codes: convolutional codes, concatenated codes, and other probabilistic coding schemes. ...
As originally conceived, a concatenated code involves a serial cascade of two linear block codes: an outer ðn 2 ; k 2 ; d 2 Þ nonbinary RS code over a finite field F q with q ¼ 2 k 1 elements, and an inner ...
doi:10.1109/jproc.2007.895188
fatcat:pftdplkbergcbpkra6ddfwjtpa
Technical advances in digital audio radio broadcasting
2002
Proceedings of the IEEE
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The result has been a unique set of evolving requirements on source coding, channel coding, and modulation technologies to make these systems a reality. ...
In addition, competition between proposed terrestrial and satellite systems combined with increasing consumer expectations have set ambitious, and often changing, requirements for the systems. ...
To further improve the performance, [103] also proposed using a concatenated coding scheme using an RS code as an outer code and a convolutional code (CC) as an inner code to the lowest levels of the ...
doi:10.1109/jproc.2002.800718
fatcat:c3qp64vgmve4xivxufcvrrvb3a
Serial concatenation of simple codes and differential modulations
2006
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The serial concatenation of an error correcting code with a differential encoder has been found to provide very good performance for various kinds of channel conditions. ...
Good performance of concatenated codes with practically viable decoding times is attributed to a technique known as iterative decoding. ...
Tullberget al. emphasize the importance of free distance (d m i n ) of a code in deciding the effectiveness of serially concatenated structures with an inner accumulate code in [15] through a density evolution ...
doi:10.14288/1.0065422
fatcat:wyqbbdthgndp7jtxtrieymruqe
Space-Time Turbo Coded Modulation for Future Wireless Communication Systems
[chapter]
Turbo Code Applications
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To address the aforementioned issues, this thesis proposes parallel concatenated space-time turbo coded modulation (STTuCM). ...
The DS interpretation, introduced with respect to an arbitrary defined effective Hamming distance (EHD) and effective product distance (EPD), is applicable to the general class of geometrically non-uniform ...
The serially concatenated convolutional code with the recursive rate one inner code was proposed in [163] and double serially concatenated convolutional code in [164] . ...
doi:10.1007/1-4020-3685-x_8
fatcat:ovrdeijhjbfkpccabllexgecjm
28th Annual Computational Neuroscience Meeting: CNS*2019
2019
BMC Neuroscience
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A BQ Zum BT-328 board was used, programmed with Arduino code, with three TG9e microservomotors. ...
A hexapod robotic platform was built using printable parts from the BQ DIWO PrintBot Crab, whose schematics are open-source. ...
(ii) an increase of both internode number and (iii) myelin thickness. ...
doi:10.1186/s12868-019-0538-0
fatcat:3pt5qvsh45awzbpwhqwbzrg4su
Reconfigurable Structures for Direct Equalisation in Mobile Receivers
[article]
2014
arXiv
pre-print
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In principle, an infinite number of filter coefficients would be needed to achieve perfect channel inversion. In practice, the number of taps must be finite. ...
Compound, or concatenated, codes combine two or more coding schemes (component codes) such as the ones introduced in previous paragraphs. ...
Trellis coded modulation (TCM) is a technique that achieves coding gains of 3-6 dB without any bandwidth expansion. ...
arXiv:1401.7216v1
fatcat:z653f7gqavgltehsby4bhtb5cu
Cyclosporine
[chapter]
2008
Encyclopedia of Genetics, Genomics, Proteomics and Informatics
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CAB: ▶chlorophyll-binding protein Cabbage: ▶Brassica CaBP (calcium-binding protein): An endoplasmic reticulum chaperone protein (49 kDa) with two thioredoxin kind domains. ...
C C: An abbreviation of cytosine. ...
Chromatosome: A part of the nucleosome, obtained as an intermediate during digestion with micrococcal nuclease. ...
doi:10.1007/978-1-4020-6754-9_3993
fatcat:ngxnihgu5nf2job2jdnhsayhme
Conservative Substitution
[chapter]
2008
Encyclopedia of Genetics, Genomics, Proteomics and Informatics
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CAB: ▶chlorophyll-binding protein Cabbage: ▶Brassica CaBP (calcium-binding protein): An endoplasmic reticulum chaperone protein (49 kDa) with two thioredoxin kind domains. ...
C C: An abbreviation of cytosine. ...
Chromatosome: A part of the nucleosome, obtained as an intermediate during digestion with micrococcal nuclease. ...
doi:10.1007/978-1-4020-6754-9_3543
fatcat:okeinuy5rzdwjjuzpgboymhkr4
Convolutional Codes
[chapter]
Trellis and Turbo Coding
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In classic concatenation, as illustrated in Figure 1 .5, the FEC codec is broken up into an inner and an outer code. ...
Density evolution analysis for this channel and algorithm amounts to studying the propagation of erasure probabilities. ...
Furthermore, (12.18) can rewritten as An iterative update equation can now be constructed by equating the LLR ratio above with the soft channel input value, since both represent LLR ratios. ...
doi:10.1002/0471667846.ch4
fatcat:fppahkhej5dqhjrutj5gcjfvoa
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