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LDPC Code's Decoding Algorithms for Wireless Sensor Network: a Brief Review

Weidong Fang, Wuxiong Zhang, Lianhai Shan, Biruk Assefa, Wei Chen
2019 Journal of New Media  
In this article, we review the LDPC code's structure brief.ly, and them classify and summarize the LDPC codes' construction and decoding algorithms, finally, analyze the applications of LDPC code for WSN  ...  However, whether these excellent characteristics are suitable for the resource-constrained Wireless Sensor Network (WSN), it seems to be seldom concerned.  ...  Currently, there are many researches and applications for LDPC codes in broadband wireless communication system, especially, LPDC code with long block lengths is identified as the coding scheme for enhanced  ... 
doi:10.32604/jnm.2019.05786 fatcat:dlcddgzvyrdkrhagsvpblnxgwq

A New Simulation Approach to Performance Evaluation of Binary Linear Codes in the Extremely Low Error Rate Region [article]

Ma Xiao and Liu Jia and Zhao Shancheng
2016 arXiv   pre-print
In order for the performance evaluation, the proposed approach decouples the geometrical structure of the code from the noise statistics.  ...  Interestingly and importantly, the derivation of the SB based on nested Gallager regions suggests us a new simulation approach to performance evaluation of binary linear codes over additive white Gaussian  ...  INTRODUCTION For certain communication systems, including optical fiber transmission systems [1] and magnetic storage systems [2] , it is of importance to design coding schemes with extremely low error  ... 
arXiv:1610.06712v1 fatcat:zxpmbdwfnzg2xezd5b53mzb7ia

Representation-Oblivious Error Correction by Natural Redundancy [article]

Pulakesh Upadhyaya, Anxiao Jiang
2018 arXiv   pre-print
Storage systems have a strong need for substantially improving their error correction capabilities, especially for long-term storage where the accumulating errors can exceed the decoding threshold of error-correcting  ...  codes (ECCs).  ...  (The LDPC code we use is a (4376, 4095) code designed by MacKay [13] , which can tolerate BER of 0.2%. Both the code length and the BER are in the typical range of parameters for storage systems.)  ... 
arXiv:1811.04032v1 fatcat:r4immngb65cibmco566ts3fpxq

Challenges and some new directions in channel coding [article]

Erdal Arikan, Najeeb ul Hassan, Michael Lentmaier, Guido Montorsi, Jossy Sayir
2015 arXiv   pre-print
coding.  ...  Three areas of ongoing research in channel coding are surveyed, and recent developments are presented in each area: spatially coupled Low-Density Parity-Check (LDPC) codes, non-binary LDPC codes, and polar  ...  Furthermore, theory has gone further than pure communications by expanding to distributed compression and joint source/channel coding, distributed storage, network coding, and quantum channels and protocols  ... 
arXiv:1504.03916v1 fatcat:3bfjceo2kbbovb7rk2hw3jwudu

Artificial Intelligence for 5G Wireless Systems: Opportunities, Challenges, and Future Research Directions [article]

Youness Arjoune, Saleh Faruque
2020 arXiv   pre-print
In this paper, we provide an in-depth review of AI for 5G wireless communication systems.  ...  for leveraging AI in 5G wireless communications.  ...  The authors of [21] studied a low latency, robust, and scalable convolutional neural network-based decoder of convolutional and LPDC codes.  ... 
arXiv:2009.04943v1 fatcat:noedzavffng6fo35zzbax3bfsa

New solutions to reduce the time-to-CED and to improve the CED robustness of the Galileo I/NAV message

Lorenzo Ortega Espluga, Charly Poulliat, Marie-Laure Boucheret, Marion Aubault, Hanaa Al Bitar
2018 2018 IEEE/ION Position, Location and Navigation Symposium (PLANS)  
These codes were first presented in the area of the multiple disk array applications and then routed to the fast distributed storage systems.  ...  Several possible solutions can be selected in order to provide a convolutional decoder. For instances, the current system uses a SIHO Viterbi decoder.  ... 
doi:10.1109/plans.2018.8373532 dblp:conf/plans/EsplugaPBAB18 fatcat:itwn5gmchncdranbfgxqiegot4

CoCo: Coding-Based Covert Timing Channels for Network Flows [chapter]

Amir Houmansadr, Nikita Borisov
2011 Lecture Notes in Computer Science  
In this paper, we propose CoCo, a novel framework for establishing covert timing channels.  ...  By simulating the CoCo covert channel using different coding algorithms we show that CoCo improves the covert robustness as compared to the previous research, while being practically undetectable.  ...  An easy to implement decoder for convolutional codes is an ML decoder based on the Viterbi algorithm [13] . The convolutional codes simulated in this paper use a constraint length of v = 7.  ... 
doi:10.1007/978-3-642-24178-9_22 fatcat:vd6mqsbjgvdzta3a6p7yir5kmu

Optimal Code Rates for the Lorentzian Channel: Shannon Codes and LDPC Codes

W.E. Ryan, F. Wang, R. Wood, Y. Li
2004 IEEE transactions on magnetics  
In this paper, we take an information-theoretic approach to obtaining optimal code rates for error-control codes on a magnetic storage channel approximated by the Lorentzian channel.  ...  We demonstrate that the optimal rates for LDPC codes coincide with those of Shannon codes and, more important, that LDPC codes are essentially capacity-achieving codes on the Lorentzian channel.  ...  Dashed line: EI curve for optimized LDPC code degree distributions at a code rate of 0.61. Solid lines: EI curve for the channel SISO detector.  ... 
doi:10.1109/tmag.2004.835670 fatcat:svapys4mifbrhfeyhkxl537tmi

Evaluation of H.264/AVC over IEEE 802.11p vehicular networks

Ismael Rozas-Ramallal, Tiago M Fernández-Caramés, Adriana Dapena, José Antonio García-Naya
2013 EURASIP Journal on Advances in Signal Processing  
In order to improve performance, we propose to substitute the convolutional channel encoder used in IEEE 802.11p for a low-density parity-check code encoder.  ...  We present an FPGA-based testbed developed to evaluate H.264/AVC (Advanced Video Coding) video transmission over vehicular networks.  ...  Due to that reason we have evaluated the performance of the transceiver while using LPDC codes instead of convolutional codes.  ... 
doi:10.1186/1687-6180-2013-77 fatcat:5asbiven2zgy3d4dkbcdbrytzu

Iterative Decoding for High-Density Bit-Patterned Media Recording

S. Koonkarnkhai, N. Chirdchoo, P. Kovintavewat
2012 Procedia Engineering  
This problem is regarded as one of the most challenging issues in the BPMR system.  ...  Nonetheless, the BPMR system is normally encountered both inter-symbol interference and inter-track interference, especially at high recording densities.  ...  Uncoded System Coded System Next, we consider a rate-8/9 coded system as depicted in Fig. 1 .  ... 
doi:10.1016/j.proeng.2012.01.1274 fatcat:w6ebyxlsqbdbhhsmjhssqrddya

Spectral Efficient Coding Schemes in Optical Communications

T. H. Lotz, W. Sauer-Greff, R. Urbansky
2012 International Journal of Optoelectronic Engineering  
Both schemes are suitable for optical single carrier (SC) and optical orthogonal frequency-division mu ltiplexing (OFDM) transmission systems, where we consider the latter one in this paper, due to well-studied  ...  We numerically study the performance of different coded modulation formats in optical OFDM transmission, showing that for a fiber optical transmission lin k of 960 km reach the net spectral efficiency  ...  The degree distribution of a proper LDPC code for the system regard ing the capacity of the modulation was found by means of density evolution [17] .  ... 
doi:10.5923/j.ijoe.20120204.01 fatcat:xrqtrb75czgtvooypkpnhjotde

Wireless Infrastructure M2M Network For Distributed Power Grid Monitoring

Hamid Gharavi, Bin Hu
2017 IEEE Network  
Following the successful deployment of Phasor Measurement Units (PMUs) in transmission systems for power monitoring, a new opportunity to utilize PMU measurement data for power quality assessment in distribution  ...  With the massive integration of distributed renewable energy sources (RESs) into the power system, the demand for timely and reliable network quality monitoring, control, and fault analysis is rapidly  ...  These DERs, which include technologies such as photovoltaic (PV), wind generators, and storage, need operational management and control in the utility distribution system.  ... 
doi:10.1109/mnet.2017.1700002 pmid:29503505 pmcid:PMC5831144 fatcat:npnregkxmzhmdp7c6cnjv7c36q

Nonuniform Error Correction Using Low-Density Parity-Check Codes

H. Pishro-Nik, N. Rahnavard, F. Fekri
2005 IEEE Transactions on Information Theory  
First, we propose a technique to design LDPC codes for volume holographic memory (VHM) systems for which the noise distribution is non-uniform.  ...  We study LDPC codes for channels with non-uniform noise distributions, rate-adaptive coding, and unequal error protection.  ...  The use of long LPDC codes is possible in the VHM systems because the whole memory page is read or stored simultaneously.  ... 
doi:10.1109/tit.2005.850230 fatcat:mhwblkja5bhz5np54esuwudrpu

The renaissance of gallager's low-density parity-check codes

T. Richardson, R. Urbanke
2003 IEEE Communications Magazine  
This was staggering progress: the power required for reliable transmission with convolutional codes, compared to Shannon's limit, is typically twice as large (3 dB more).  ...  I Figure 1 . 1 Frame error rate (FER) and bit error rate (BER) curves for rate 1/2 LPDC codes over the additive white Gaussian noise channel under belief propagation decoding.  ... 
doi:10.1109/mcom.2003.1222728 fatcat:7rmvja3avbb5zfsn6aimg6h5j4

On Quantum and Classical Error Control Codes: Constructions and Applications [article]

Salah A. Aly
2008 arXiv   pre-print
Particularly, many families of quantum BCH, RS, duadic, and convolutional codes are constructed over finite fields.  ...  I present the fundamental theory and necessary background of quantum codes and construct many families of quantum block and convolutional codes over finite fields, in addition to families of subsystem  ...  Therefore, this work shows that cycles of length 4 in the Tanner graphs of the parity check matrices do not greatly affect performance of LPDC codes if they can be distributed regularly.  ... 
arXiv:0812.5104v1 fatcat:oqjbenemizczjmfuivp4vt6jny
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