Relevant bibliographies by topics / Irregular Low density parity check (LDPC)

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Irregular Low density parity check (LDPC)'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Irregular Low density parity check (LDPC)"

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Laouar, Oulfa, Imed Amamra, and Nadir Derouiche. "EXIT chart analysis of regular and irregular LDPC convolutional codes on AWGN channel." Bulletin of Electrical Engineering and Informatics 14, no. 1 (2025): 338–56. http://dx.doi.org/10.11591/eei.v14i1.8260.

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Low-density parity-check (LDPC) codes are widely recognized for their excellent forward error correction, near-Shannon-limit performance, and support for high data rates with effective hardware parallelization. Their convolutional counterpart, LDPC convolutional codes (LDPC-CCs), offer additional advantages such as variable codeword lengths, unlimited parity-check matrices, and simpler encoding and decoding. These features make LDPC-CCs particularly suitable for practical implementations with varying channel conditions and data frame sizes. This paper investigates the performance of LDPC-CCs u
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Abdel, Halim A. Zikry, Y. Hassan Ashraf, I. Shaban Wageda, and F. Abdel-Momen Sahar. "Performance Analysis of LDPC Decoding Techniques." International Journal of Recent Technology and Engineering (IJRTE) 9, no. 5 (2021): 17–26. https://doi.org/10.35940/ijrte.E5067.019521.

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<strong>Abstract:</strong> Low density parity checking codes (LDPC) are one of the most important issues in coding theory at present. LDPC-code are a type of linear-block LDPC-codes. Channel coding might be considered as the finest conversant and most potent components of cellular communications systems, that was employed for transmitting errors corrections imposed by noise, fading and interfering. LDPC-codes are advanced coding gain, i.e., new area in coding. the performances of LDPC-code are similar to the Shannon-limiting, this led to the usage of decoding in several applications in digital
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P, Shahnas. "Performance Analysis of Regular and Irregular LDPC Codes on SPIHT Coded Image Data." International Journal of Computer Communication and Informatics 2, no. 2 (2020): 1–5. http://dx.doi.org/10.34256/ijcci2021.

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The LDPC (Low Density Parity Check Code) has Shown interesting results for transmitting embedded bit streams over noisy communication channels. Performance comparison of regular and irregular LDPC codes with SPIHT coded image is done here. Different Error Sensitive classes of image data are obtained by using SPIHT algorithm as an image coder. Irregular LDPC codes map the more important class of data into a higher degree protection class to provide more protection. Different degree protection classes of an LDPC code improves the overall performance of data transmission against channel errors. S
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Punit, Upmanyu*, and Saurabh Gaur Prof. "PERFORMANCE EVOLUTION OF PAPR REDUCTION IN OFDM WITH AND WITHOUT LDPC TECHNIQUE." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 3 (2016): 372–78. https://doi.org/10.5281/zenodo.47200.

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The OFDM is one of the proven multicarrier modulation techniques, which provides high spectral efficiency, low implementation complexity, less vulnerability to echoes and non-linear distortion. Apart from the above advantages presently this technique is used by almost all wireless standards and above. The one major shortcoming in the implementation of this system is the high PAPR (peak-to-average power ratio) of this system. In this paper, Irregular Low-Density-Parity Check encoder is used effectively to reduce PAPR problem&amp; improves BER. Low Density Parity Check codes (LDPC) are promising
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Baldi, Marco, Giovanni Cancellieri, Franco Chiaraluce, and Amedeo De Amicis De Amicis. "Regular and Irregular Multiple Serially- Concatenated Multiple-Parity-Check Codes for Wireless Applications." Journal of Communications Software and Systems 5, no. 4 (2009): 140. http://dx.doi.org/10.24138/jcomss.v5i4.200.

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Multiple Serially-Concatenated Multiple-Parity-Check (M-SC-MPC) codes are a class of structured Low-Density Parity-Check (LDPC) codes, characterized by very simple encoding, that we have recently introduced. This paper evidences how the design of M-SC-MPC codes can be optimized for their usage in wireless applications. For such purpose, we consider some Quasi-Cyclic LDPC codes included in the mobile WiMax standard, and compare their performance with that of M-SCMPC codes having the same parameters. We also present a simple modification of the inner structure of M-SC-MPC codes that can help to
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Anbuselvi, M., P. Saravanan, and S. Joseph Gladwin. "Analysis of a Code Construction Method for Non-Binary Quasi-Cyclic Irregular Low Density Parity Check Decoder." Journal of Computational and Theoretical Nanoscience 15, no. 2 (2018): 719–24. http://dx.doi.org/10.1166/jctn.2018.7151.

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Non-binary LDPC codes is a class of linear block code outperform in the short and moderate block length, closer to Shannon's limit. The numerical strength of the decoder is proportional to the sparsity of the parity check matrix. A Hierarchically Diagonal Parity Check Matrix (HDPCM) with better sparseness is constructed to optimize the computation complexity and decoding performance. The decoder based on the proposed matrix using FFT-SP decoding algorithm is analyzed, with different modulation schemes and channel environment. The positive impact of the constructed matrix is elaborated, conclud
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T. Sasikala. "Cross layered adaptive rate optimized irregular LDPC for WSN." International Journal of Science and Research Archive 11, no. 2 (2024): 1668–74. http://dx.doi.org/10.30574/ijsra.2024.11.2.0655.

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This paper proposes a cross layered adaptive rate optimized technique that uses irregular low-density parity-check (LDPC) codes over an additive white Gaussian noise (AWGN) channel in wireless sensor networks (WSNs). Irregular LDPC is used as error control code. Cross layer design along with error control code gives the energy balance in the network. This new algorithm uses the physical layer parameters such as coherence time of the channel, BER and SNR and the routing layer parameter such as demanded data rate to determine the rate of the LDPC coder. The algorithm adaptively changes the code
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Prasartkaew, Chutima, Piya Kovintavewat, and Somsak Choomchuay. "Combined Coding Algorithm of LDPC Codes in Bit-Patterned Media Recording Channels." Advanced Materials Research 979 (June 2014): 70–74. http://dx.doi.org/10.4028/www.scientific.net/amr.979.70.

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This paper presents a new coding algorithm of irregular low-density parity-check (LDPC) codes. This algorithm consists of two parts of block codes; parity bits was encoded using the magic square based algorithm (MSBA) which suitable for the short block (less than 500 bits) and the data bits, the rest part of all block codes, was encoded using the random number table. This proposed coding algorithm is called ‘Combined Coding Algorithm LDPC codes (CCA-LDPC codes)’ which can be used in bit-patterned media recording (BPMR) channels. The performance of the constructed codes was numerically simulate
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Hwang, Inho, Han Park, and Jeong Lee. "LDPC Coded Massive MIMO Systems." Entropy 21, no. 3 (2019): 231. http://dx.doi.org/10.3390/e21030231.

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We design a coded massive multiple-input multiple-output (MIMO) system using low-density parity-check (LDPC) codes and iterative joint detection and decoding (JDD) algorithm employing a low complexity detection. We introduce the factor graph representation of the LDPC coded massive MIMO system, based on which the message updating rule in the JDD is defined. We devise a tool for analyzing extrinsic information transfer (EXIT) characteristics of messages flowing in the JDD and the three-dimensional (3-D) EXIT chart provides a visualization of the JDD behavior. Based on the proposed 3-D EXIT anal
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ZHENG, XIA, FRANCIS C. M. LAU, CHI K. TSE, and S. C. WONG. "STUDY OF BIFURCATION BEHAVIOR OF LDPC DECODERS." International Journal of Bifurcation and Chaos 16, no. 11 (2006): 3435–49. http://dx.doi.org/10.1142/s0218127406016926.

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The use of low-density-parity-check (LDPC) codes in coding digital messages has aroused much research interest because of their excellent bit-error performance. The behavior of the iterative LDPC decoders of finite length, however, has not been fully evaluated under different signal-to-noise conditions. By considering the finite-length LDPC decoders as high-dimensional nonlinear dynamical systems, we attempt to investigate their dynamical behavior and bifurcation phenomena for a range of signal-to-noise ratios (SNRs). Extensive simulations have been performed on both regular and irregular LDPC
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Dissertations / Theses on the topic "Irregular Low density parity check (LDPC)"

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Bardak, Erinc Deniz. "Design And Performance Of Capacity Approaching Irregular Low-density Parity-check Codes." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611084/index.pdf.

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In this thesis, design details of binary irregular Low-Density Parity-Check (LDPC) codes are investigated. We especially focus on the trade-off between the average variable node degree, wa, and the number of length-6 cycles of an irregular code. We observe that the performance of the irregular code improves with increasing wa up to a critical value, but deteriorates for larger wa because of the exponential increase in the number of length-6 cycles. We have designed an irregular code of length 16,000 bits with average variable node degree wa=3.8, that we call &lsquo<br>2/3/13&rsquo<br>since it
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Gunnam, Kiran Kumar. "Area and energy efficient VLSI architectures for low-density parity-check decoders using an on-the-fly computation." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1049.

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Adhikari, Dikshya. "The Role of Eigenvalues of Parity Check Matrix in Low-Density Parity Check Codes." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1707297/.

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The new developments in coding theory research have revolutionized the application of coding to practical systems. Low-Density Parity Check (LDPC) codes form a class of Shannon limit approaching codes opted for digital communication systems that require high reliability. This thesis investigates the underlying relationship between the spectral properties of the parity check matrix and LDPC decoding convergence. The bit error rate of an LDPC code is plotted for the parity check matrix that has different Second Smallest Eigenvalue Modulus (SSEM) of its corresponding Laplacian matrix. It is found
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Price, Aiden K. "Improved constructions of low-density parity-check codes." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/128373/1/Aiden_Price_Thesis.pdf.

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There is an ongoing need to improve the efficiency and error-correcting performance of error correcting codes, which are widely used to enhance accuracy when retrieving or communicating information. This research investigates several potential improvements to a high-performing class of error correcting codes known as low-density parity-check (LDPC) codes. The results presented here further the known literature surrounding a specific class of functions (Alltop functions). Additionally, this work demonstrates ways of manipulating existing LDPC code constructions using relaxed difference sets to
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Pirou, Florent. "Low-density Parity-Check decoding Algorithms." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2160.

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<p>Recently, low-density parity-check (LDPC) codes have attracted much attention because of their excellent error correcting performance and highly parallelizable decoding scheme. However, the effective VLSI implementation of and LDPC decoder remains a big challenge and is a crucial issue in determining how well we can exploit the benefits of the LDPC codes in the real applications. In this master thesis report, following a error coding background, we describe Low-Density Parity-Check codes and their decoding algorithm, and also requirements and architectures of LPDC decoder implementations.</
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Kopparthi, Sunitha. "Flexible encoder and decoder designs for low-density parity-check codes." Diss., Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/4190.

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Hayes, Bob. "LOW DENSITY PARITY CHECK CODES FOR TELEMETRY APPLICATIONS." International Foundation for Telemetering, 2007. http://hdl.handle.net/10150/604497.

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ITC/USA 2007 Conference Proceedings / The Forty-Third Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2007 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>Next generation satellite communication systems require efficient coding schemes that enable high data rates, require low overhead, and have excellent bit error rate performance. A newly rediscovered class of block codes called Low Density Parity Check (LDPC) codes has the potential to revolutionize forward error correction (FEC) because of the very high coding rates. This paper presents a bri
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Selvarathinam, Anand Manivannan. "High throughput low power decoder architectures for low density parity check codes." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2529.

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A high throughput scalable decoder architecture, a tiling approach to reduce the complexity of the scalable architecture, and two low power decoding schemes have been proposed in this research. The proposed scalable design is generated from a serial architecture by scaling the combinational logic; memory partitioning and constructing a novel H matrix to make parallelization possible. The scalable architecture achieves a high throughput for higher values of the parallelization factor M. The switch logic used to route the bit nodes to the appropriate checks is an important constituent of the sca
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Sweatlock, Sarah L. McEliece Robert J. McEliece Robert J. "Asymptotic weight analysis of low-density parity check (LDPC) code ensembles /." Diss., Pasadena, Calif. : California Institute of Technology, 2008. http://resolver.caltech.edu/CaltechETD:etd-05202008-094714.

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Liu, Yue Electrical Engineering &amp Telecommunications Faculty of Engineering UNSW. "Design of structured nonbinary quasi-cyclic low-density parity-check codes." Publisher:University of New South Wales. Electrical Engineering & Telecommunications, 2009. http://handle.unsw.edu.au/1959.4/43616.

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Since the rediscovery, LDPC codes attract a large amount of research efforts. In 1998, nonbinary LDPC codes were firstly investigated and the results shown that they are better than their binary counterparts in performance. Recently, there is always a requirement from the industry to design applied nonbinary LDPC codes. In this dissertation, we firstly propose a novel class of quasi-cyclic (QC) LDPC codes. This class of QC-LDPC codes embraces both linear encoding complexity and excellent compatibility in various degree distributions and nonbinary expansions. We show by simulation results that
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Book chapters on the topic "Irregular Low density parity check (LDPC)"

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Paolini, E. "Low-Density Parity-Check (LDPC) Codes." In Inside Solid State Drives (SSDs). Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0599-3_12.

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Paolini, E. "Low-Density Parity-Check (LDPC) Codes." In Inside Solid State Drives (SSDs). Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-5146-0_11.

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Xu, Jun, Jun Xu, Yifei Yuan, Meiying Huang, Liguang Li, and Jin Xu. "Low-Density Parity Check (LDPC) Codes." In Channel Coding in 5G New Radio. CRC Press, 2022. http://dx.doi.org/10.1201/9781003336174-2.

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Kim, Cheonshik, and Ching-Nung Yang. "Steganography Based on Low Density Parity Check(LDPC)." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-55038-6_4.

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Mohamed, Albashir, Maha Elsabrouty, and Salwa El-Ramly. "Bootstrapped Low Complexity Iterative Decoding Algorithm for Low Density Parity Check (LDPC) Codes." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17758-3_29.

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Patel, Dharmesh Jayantibhai, Pinalkumar Engineer, and Ninad Sunilkumar Bhatt. "Image Communication Using Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) Code." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6229-7_17.

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Yi, Yu, Moon Ho Lee, Ji Hyun Kim, and Gi Yean Hwang. "Robust Wavelet-Based Information Hiding through Low-Density Parity-Check (LDPC) Codes." In Digital Watermarking. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-24624-4_9.

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Rathod, D. P., and R. N. Awale. "An Efficient Genetic Based Algorithm for an Irregular Low Density Parity Check Code with Low Computational Complexity and Low Error Floor." In Communications in Computer and Information Science. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36321-4_23.

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"Low-Density Parity Check (LDPC)." In Encyclopedia of Ocean Engineering. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-10-6946-8_300431.

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"3 Low Density Parity Check (LDPC) Codes." In Advanced Mobile Communications. De Gruyter, 2024. http://dx.doi.org/10.1515/9783111239651-003.

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Conference papers on the topic "Irregular Low density parity check (LDPC)"

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Anil Kumar, C. S., M. Vedhashri, L. Vanditha, R. Yuktha, and M. Nikhil. "A comprehensive Study of Decoding Algorithms for Low Density Parity-Check(LDPC)." In 2025 International Conference on Knowledge Engineering and Communication Systems (ICKECS). IEEE, 2025. https://doi.org/10.1109/ickecs65700.2025.11035238.

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Ihn-Jung Baik and Sae-Young Chung. "Irregular low-density parity-check lattices." In 2008 IEEE International Symposium on Information Theory - ISIT. IEEE, 2008. http://dx.doi.org/10.1109/isit.2008.4595437.

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Arvind Sridharan, Deepak Sridhara, D. J. Costello, and T. E. Fuja. "A construction for irregular low density parity check convolutional codes." In IEEE International Symposium on Information Theory, 2003. Proceedings. IEEE, 2003. http://dx.doi.org/10.1109/isit.2003.1228018.

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Richter, G., M. Kaupper, and K. Zigangirov. "Irregular Low-Density Parity-Check Convolutional Codes Based on Protographs." In 2006 IEEE International Symposium on Information Theory. IEEE, 2006. http://dx.doi.org/10.1109/isit.2006.261553.

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Anggraeni, Silvia, Fawnizu Azmadi Hussin, and Varun Jeoti. "High throughput architecture for low density parity check (LDPC) encoder." In 2013 IEEE 56th International Midwest Symposium on Circuits and Systems (MWSCAS). IEEE, 2013. http://dx.doi.org/10.1109/mwscas.2013.6674807.

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Ramamoorthy, A., and R. Wesel. "Construction of short block length irregular low-density parity-check codes." In 2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577). IEEE, 2004. http://dx.doi.org/10.1109/icc.2004.1312521.

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Matsumoto, W., and H. Imai. "Irregular low-density parity-check code design based on integer lattices." In IEEE International Symposium on Information Theory, 2003. Proceedings. IEEE, 2003. http://dx.doi.org/10.1109/isit.2003.1228017.

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Zeidan, Hany R., and Maha M. Elsabrouty. "Low complexity iterative decoding algorithm for low-density parity-check (LDPC) codes." In 2008 1st IFIP Wireless Days (WD). IEEE, 2008. http://dx.doi.org/10.1109/wd.2008.4812877.

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Mohamed, Albashir Adel, Maha Mohamed Elsabrouty, and Salwa Hussien El-Ramly. "Bootstrapped Iterative Decoding Algorithms for Low Density Parity Check (LDPC) Codes." In 2010 Fifth International Conference on Systems and Networks Communications (ICSNC). IEEE, 2010. http://dx.doi.org/10.1109/icsnc.2010.59.

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Zarubica, Radivoje, Stephen G. Wilson, and Eric Hall. "Multi-Gbps FPGA-Based Low Density Parity Check (LDPC) Decoder Design." In IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference. IEEE, 2007. http://dx.doi.org/10.1109/glocom.2007.108.

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Reports on the topic "Irregular Low density parity check (LDPC)"

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Roca, V., C. Neumann, and D. Furodet. Low Density Parity Check (LDPC) Staircase and Triangle Forward Error Correction (FEC) Schemes. RFC Editor, 2008. http://dx.doi.org/10.17487/rfc5170.

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Roca, V., M. Cunche, and J. Lacan. Simple Low-Density Parity Check (LDPC) Staircase Forward Error Correction (FEC) Scheme for FECFRAME. RFC Editor, 2012. http://dx.doi.org/10.17487/rfc6816.

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