Research Output 1991 2017

2017

2D LDPC Codes and Joint Detection and Decoding for Two-Dimensional Magnetic Recording

Matcha, C. K., Roy, S., Bahrami, M., Vasic, B. & Srinivasa, S. G. Aug 9 2017 (Accepted/In press) In : IEEE Transactions on Magnetics.

Research output: Research - peer-reviewArticle

Magnetic recording
Decoding
Synchronization
Engines
Signal detection
3 Citations

Approaching maximum likelihood performance of LDPC codes by stochastic resonance in noisy iterative decoders

Vasić, B., Ivaniš, P., Declercq, D. & LeTrung, K. Mar 27 2017 2016 Information Theory and Applications Workshop, ITA 2016. Institute of Electrical and Electronics Engineers Inc., 7888185

Research output: ResearchConference contribution

Maximum likelihood
Hardware
Nails
Logic gates
Error correction
1 Citations

Asymptotic error probability of the Gallager B decoder under timing errors

Dupraz, E., Declercq, D. & Vasic, B. Apr 1 2017 In : IEEE Communications Letters. 21, 4, p. 698-701 4 p., 7805222

Research output: Research - peer-reviewArticle

Error Probability
Timing
Error probability
Logic
Logic gates
1 Citations

Efficient Hardware Implementation of Probabilistic Gradient Descent Bit-Flipping

Le, K., Ghaffari, F., Declercq, D. & Vasic, B. Apr 1 2017 In : IEEE Transactions on Circuits and Systems I: Regular Papers. 64, 4, p. 906-917 12 p., 7786873

Research output: Research - peer-reviewArticle

Hardware
Decoding
Error correction

Generalized belief propagation based deliberate bit flipping modulation coding

Bahrami, M. & Vasic, B. Feb 2 2017 2016 IEEE Global Communications Conference, GLOBECOM 2016 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 7841858

Research output: ResearchConference contribution

Modulation
Magnetic recording
Error correction

Hardware optimization of the perturbation for probabilistic gradient descent bit flipping decoders

Le, K., Ghaffari, F., Declercq, D. & Vasic, B. Sep 25 2017 IEEE International Symposium on Circuits and Systems: From Dreams to Innovation, ISCAS 2017 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 8050695

Research output: ResearchConference contribution

Hardware
Decoding
Error correction
Application specific integrated circuits
Statistical methods

Majority Logic Decoding under Data-Dependent Logic Gate Failures

Brkic, S., Ivaniš, P. & Vasić, B. Oct 1 2017 In : IEEE Transactions on Information Theory. 63, 10, p. 6295-6306 12 p., 8013135

Research output: Research - peer-reviewArticle

Majority logic
Logic gates
Decoding
Bit error rate
Geometry

Message-aggregation enhanced iterative hard-decision decoders

Brkic, S., Ivanis, P., Vasić, B. & Declercq, D. Mar 27 2017 2016 Information Theory and Applications Workshop, ITA 2016. Institute of Electrical and Electronics Engineers Inc., 7888184

Research output: ResearchConference contribution

Agglomeration
Iterative decoding
Decoding

Multi-bit flipping algorithms with probabilistic gradient descent

Vasic, B., Ivanis, P. & Brkic, S. Aug 30 2017 2017 Information Theory and Applications Workshop, ITA 2017. Institute of Electrical and Electronics Engineers Inc., 8023480

Research output: ResearchConference contribution

Boolean functions
Throughput

Multi-mode low-latency software-defined error correction for data centers

Ghaffari, F., Akoglu, A., Vasić, B. & Declercq, D. Sep 14 2017 2017 26th International Conference on Computer Communications and Networks, ICCCN 2017. Institute of Electrical and Electronics Engineers Inc., 8038467

Research output: ResearchConference contribution

Data Center
Error Correction
Latency
Software
Error correction

Performance of taylor-kuznetsov memories under timing errors

Dupraz, E., Vasic, B. & Declercq, D. Jul 28 2017 2017 IEEE International Conference on Communications, ICC 2017. Institute of Electrical and Electronics Engineers Inc., 7996548

Research output: ResearchConference contribution

Data storage equipment
Networks (circuits)
Error probability
Memory architecture
Monte Carlo simulation

Stochastic resonance decoding for quantum LDPC codes

Raveendran, N., Nadkarni, P. J., Garani, S. S. & Vasic, B. Jul 28 2017 2017 IEEE International Conference on Communications, ICC 2017. Institute of Electrical and Electronics Engineers Inc., 7996747

Research output: ResearchConference contribution

Error correction
Decoding
Networks (circuits)
Iterative decoding
Logic gates
2016

Check-hybrid GLDPC codes: Systematic elimination of trapping sets and guaranteed error correction capability

Ravanmehr, V., Khatami, M., Declercq, D. & Vasic, B. Dec 1 2016 In : Transactions on Emerging Telecommunications Technologies. 27, 12, p. 1679-1692 14 p.

Research output: Research - peer-reviewArticle

Error correction
Decoding
3 Citations

Error Errore Eicitur: A Stochastic Resonance Paradigm for Reliable Storage of Information on Unreliable Media

Ivanis, P. & Vasic, B. Sep 1 2016 In : IEEE Transactions on Communications. 64, 9, p. 3596-3608 13 p., 7509624

Research output: Research - peer-reviewArticle

Logic gates
Networks (circuits)
Data storage equipment
Iterative decoding
Nails
2 Citations

Generalized belief propagation based TDMR detector and decoder

Matcha, C. K., Bahrami, M., Roy, S., Srinivasa, S. G. & Vasic, B. Aug 10 2016 Proceedings - ISIT 2016; 2016 IEEE International Symposium on Information Theory. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-August, p. 210-214 5 p. 7541291

Research output: ResearchConference contribution

Belief Propagation
Detector
Magnetic recording
Detectors
Intersymbol Interference
1 Citations

Guaranteed error correction of faulty bit-flipping decoders under data-dependent gate failures

Brkic, S., Ivanis, P. & Vasic, B. Aug 10 2016 Proceedings - ISIT 2016; 2016 IEEE International Symposium on Information Theory. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-August, p. 1561-1565 5 p. 7541561

Research output: ResearchConference contribution

Low-density Parity-check (LDPC) Codes
Dependent Data
Error Correction
Error correction
Expander

Guest Editorial Channel Modeling, Coding and Signal Processing for Novel Physical Memory Devices and Systems

Garani, S. S., Zhang, T., Motwani, R. H., Pozidis, H. & Vasic, B. Sep 1 2016 In : IEEE Journal on Selected Areas in Communications. 34, 9, p. 2289-2293 5 p., 7587447

Research output: Research - peer-reviewReview article

Signal processing
Data storage equipment
Energy efficiency
1 Citations

Improved PEG construction of large girth QC-LDPC codes

Diouf, M., Declercq, D., Fossorier, M., Ouya, S. & Vasic, B. Oct 17 2016 2016 9th International Symposium on Turbo Codes and Iterative Information Processing: Paths to 5G and Beyond, ISTC 2016. IEEE Computer Society, Vol. 2016-October, p. 146-150 5 p. 7593094

Research output: ResearchConference contribution

Quasi-cyclic Codes
Low-density Parity-check (LDPC) Codes
Girth
Polyethylene glycols
Cycle
4 Citations

Information rates of constrained TDMR channels using generalized belief propagation

Khatami, M., Bahrami, M. & Vasic, B. Feb 23 2016 2015 IEEE Global Communications Conference, GLOBECOM 2015. Institute of Electrical and Electronics Engineers Inc., 7417728

Research output: ResearchConference contribution

Magnetic recording
recording
Bit error rate
Channel capacity
coding

Noise-aided gradient descent bit-flipping decoders approaching maximum likelihood decoding

Declercq, D., Winstead, C., Vasic, B., Ghaffari, F., Ivanis, P. & Boutillon, E. Oct 17 2016 2016 9th International Symposium on Turbo Codes and Iterative Information Processing: Paths to 5G and Beyond, ISTC 2016. IEEE Computer Society, Vol. 2016-October, p. 300-304 5 p. 7593125

Research output: ResearchConference contribution

Gradient Descent
Trapping
Maximum Likelihood
Decoding
Intuitive

Noise predictive information rate estimation for TDMR channels

Bahrami, M. & Vasić, B. 2016 In : Proceedings of the International Telemetering Conference. 52, p. 421-427 7 p.

Research output: Research - peer-reviewArticle

magnetic recording
Magnetic recording
recording
irregularities
computer programs
2 Citations

Optimization of Bit Geometry and Multi-Reader Geometry for Two-Dimensional Magnetic Recording

Barry, J. R., Vasic, B., Khatami, M., Bahrami, M., Nakamura, Y., Okamoto, Y. & Kanai, Y. Feb 1 2016 In : IEEE Transactions on Magnetics. 52, 2, 7283623

Research output: Research - peer-reviewArticle

Magnetic recording
Geometry
Aspect ratio
Signal detection
Full width at half maximum
1 Citations

Performance evaluation of faulty iterative decoders using absorbing Markov chains

Ivanis, P., Vasic, B. & Declercq, D. Aug 10 2016 Proceedings - ISIT 2016; 2016 IEEE International Symposium on Information Theory. Institute of Electrical and Electronics Engineers Inc., Vol. 2016-August, p. 1566-1570 5 p. 7541562

Research output: ResearchConference contribution

Absorbing
Performance Evaluation
Markov chain
Logic
Logic gates
2015
8 Citations

Analysis and Design of Finite Alphabet Iterative Decoders Robust to Faulty Hardware

Dupraz, E., Declercq, D., Vasic, B. & Savin, V. Aug 1 2015 In : IEEE Transactions on Communications. 63, 8, p. 2797-2809 13 p., 7147804

Research output: Research - peer-reviewArticle

Hardware
Message passing
Monte Carlo simulation
2 Citations

Analysis of Taylor-Kuznetsov memory using one-step majority logic decoder

Dupraz, E., Declercq, D. & Vasić, B. Oct 27 2015 2015 Information Theory and Applications Workshop, ITA 2015 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 46-53 8 p. 7308965

Research output: ResearchConference contribution

Majority logic
Data storage equipment
Degradation
Monte Carlo simulation
Error probability
1 Citations

A PEG-like LDPC code design avoiding short trapping sets

Diouf, M., Declercq, D., Ouya, S. & Vasic, B. Sep 28 2015 IEEE International Symposium on Information Theory - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-June, p. 1079-1083 5 p. 7282621

Research output: ResearchConference contribution

LDPC Codes
Trapping
Design
Girth
Cost functions
8 Citations

A Study of TDMR signal processing opportunities based on quasi-micromagnetic simulations

Vasic, B., Khatami, M., Nakamura, Y., Okamoto, Y., Kanai, Y., Barry, J. R., McLaughlin, S. W. & Sadeghian, E. B. Apr 1 2015 In : IEEE Transactions on Magnetics. 51, 4, 7109973

Research output: Research - peer-reviewArticle

Magnetostatics
Magnetic recording
Exchange interactions
Signal processing

Decoder diversity architectures for finite alphabet iterative decoders

Vasić, B., Declercq, D. & Planjery, S. K. Apr 24 2015 Conference Record - Asilomar Conference on Signals, Systems and Computers. IEEE Computer Society, Vol. 2015-April, p. 131-135 5 p. 7094412

Research output: ResearchConference contribution

Decoding
4 Citations

Efficient realization of probabilistic gradient descent bit flipping decoders

Le, K., Declercq, D., Ghaffari, F., Spagnol, C., Popovici, E., Ivanis, P. & Vasic, B. Jul 27 2015 Proceedings - IEEE International Symposium on Circuits and Systems. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-July, p. 1494-1497 4 p. 7168928

Research output: ResearchConference contribution

Error correction
Hardware
Binary sequences
7 Citations

Fault-resilient decoders and memories made of unreliable components

Vasić, B., Ivanis, P., Brkic, S. & Ravanmehr, V. Oct 27 2015 2015 Information Theory and Applications Workshop, ITA 2015 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 136-142 7 p. 7308978

Research output: ResearchConference contribution

Hardware
Data storage equipment
Iterative decoding
Logic gates
Free energy
4 Citations

Investigation into Harmful Patterns over Multitrack Shingled Magnetic Detection Using the Voronoi Model

Bahrami, M., Matcha, C. K., Khatami, S. M., Roy, S., Srinivasa, S. G. & Vasic, B. Dec 1 2015 In : IEEE Transactions on Magnetics. 51, 12, 7165654

Research output: Research - peer-reviewArticle

Magnetic recording
Intersymbol interference
Signal detection
Detectors
Magnetic storage
2 Citations

Low complexity memory architectures based on LDPC codes: Benefits and disadvantages

Vasić, B., Ivaniš, P. & Brkic, S. Dec 14 2015 2015 12th International Conference on Telecommunications in Modern Satellite, Cable and Broadcasting Services, TELSIKS 2015. Institute of Electrical and Electronics Engineers Inc., p. 11-18 8 p. 7357727

Research output: ResearchConference contribution

Memory architecture
Data storage equipment
Error correction
7 Citations

MUDRI: A fault-tolerant decoding algorithm

Ivanis, P., Al Rasheed, O. & Vasic, B. Sep 9 2015 IEEE International Conference on Communications. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-September, p. 4291-4296 6 p. 7248997

Research output: ResearchConference contribution

Decoding
Hardware
Logic gates
10 Citations

On Fault Tolerance of the Gallager B Decoder under Data-Dependent Gate Failures

Brkic, S., Al Rasheed, O., Ivanis, P. & Vasic, B. Aug 1 2015 In : IEEE Communications Letters. 19, 8, p. 1299-1302 4 p., 7120101

Research output: Research - peer-reviewArticle

Dependent Data
Fault Tolerance
Fault tolerance
Hardware
Degradation
4 Citations

Reliability of memories built from unreliable components under data-dependent gate failures

Brkic, S., Ivaniš, P. & Vasić, B. Dec 1 2015 In : IEEE Communications Letters. 19, 12, p. 2098-2101 4 p., 7312924

Research output: Research - peer-reviewArticle

Dependent Data
Data storage equipment
Memory architecture
Logic gates
Fault tolerance
5 Citations

Symmetric information rate estimation and bit aspect ratio optimization for TDMR using Generalized Belief Propagation

Khatami, M., Bahrami, M. & Vasic, B. Sep 28 2015 IEEE International Symposium on Information Theory - Proceedings. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-June, p. 1620-1624 5 p. 7282730

Research output: ResearchConference contribution

Information Rates
Belief Propagation
Aspect Ratio
Optimization
Magnetic recording
1 Citations

Viterbi Detection for Compressively Sampled FHSS-GFSK Signals

Pan, L., Marcellin, M. W., Ryan, W. E. & Vasic, B. Nov 15 2015 In : IEEE Transactions on Signal Processing. 63, 22, p. 5965-5975 11 p., 7169602

Research output: Research - peer-reviewArticle

Frequency hopping
Frequency shift keying
Sampling
Signal to noise ratio
Bit error rate
2014
13 Citations

Analysis of one-step majority logic decoding under correlated data-dependent gate failures

Brkic, S., Ivanis, P. & Vasic, B. 2014 IEEE International Symposium on Information Theory - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 2599-2603 5 p. 6875304

Research output: ResearchConference contribution

Correlated Data
Decoding
Logic
Dependent
Majority logic
2 Citations

Check-hybrid GLDPC codes: Systematic elimination of trapping sets by super checks

Ravanmehr, V., Declercq, D. & Vasic, B. 2014 IEEE International Symposium on Information Theory - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 701-705 5 p. 6874923

Research output: ResearchConference contribution

Low-density Parity-check (LDPC) Codes
Trapping
Elimination
LDPC Codes
Eliminate
1 Citations

Check-hybrid GLDPC codes without small trapping sets

Ravanmehr, V., Declercq, D. & Vasic, B. 2014 2014 Information Theory and Applications Workshop, ITA 2014 - Conference Proceedings. IEEE Computer Society, 6804215

Research output: ResearchConference contribution

1 Citations

Failure analysis of two-bit flipping decoding algorithms

Vasić, B. & Nguyen, D. V. Dec 12 2014 2014 International Conference on Signal Processing and Communications, SPCOM 2014. Institute of Electrical and Electronics Engineers Inc., 6983914

Research output: ResearchConference contribution

Failure analysis
Decoding
3 Citations

Failures and Error Floors of Iterative Decoders

Vasić, B., Chilappagari, S. K. & Nguyen, D. V. Jun 26 2014 Channel Coding: Theory, Algorithms, and Applications: Academic Press Library in Mobile and Wireless Communications. Elsevier Inc., p. 299-341 43 p.

Research output: ResearchChapter

Decoding
Iterative decoding
Message passing
Linear programming
22 Citations

Fault-tolerant probabilistic gradient-descent bit flipping decoder

Al Rasheed, O., Ivaniš, P. & Vasić, B. Sep 1 2014 In : IEEE Communications Letters. 18, 9, p. 1487-1490 4 p., 6868233

Research output: Research - peer-reviewArticle

Gradient Descent
Fault-tolerant
Decoding
Randomness
Logic
6 Citations

Finite alphabet iterative decoders for LDPC codes: Optimization, architecture and analysis

Cai, F., Zhang, X., Declercq, D., Planjery, S. K. & Vasić, B. 2014 In : IEEE Transactions on Circuits and Systems I: Regular Papers. 61, 5, p. 1366-1375 10 p., 6776564

Research output: Research - peer-reviewArticle

Throughput
Decoding
Scheduling
Hardware
Processing
10 Citations

Finite alphabet iterative decoders robust to faulty hardware: Analysis and selection

Dupraz, E., Declercq, D., Vasić, B. & Savin, V. Nov 12 2014 International Symposium on Turbo Codes and Iterative Information Processing, ISTC. IEEE Computer Society, p. 107-111 5 p. 6955095

Research output: ResearchConference contribution

Hardware
Iterative decoding
Threshold Phenomena
Iterative Decoding
LDPC Codes
1 Citations

GBP-based detection and symmetric information rate for rectangular-grain TDMR model

Khatami, M., Ravanmehr, V. & Vasić, B. 2014 IEEE International Symposium on Information Theory - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 1618-1622 5 p. 6875107

Research output: ResearchConference contribution

Information Rates
Belief Propagation
Model
Magnetic recording
Factor Graph

Guest editorial communication methodologies for the next-generation storage systems

Dolecek, L., Blaum, M., Bruck, J., Jiang, A. A., Ramchandran, K. & Vasic, B. 2014 In : IEEE Journal on Selected Areas in Communications. 32, 5, p. 809-813 5 p., 6804926

Research output: Research - peer-reviewArticle

1 Citations

On the guaranteed error-correction of decimation-enhanced iterative decoders

Planjery, S. K., Declercq, D., Diouf, M. & Vasic, B. Nov 12 2014 International Symposium on Turbo Codes and Iterative Information Processing, ISTC. IEEE Computer Society, p. 57-61 5 p. 6955085

Research output: ResearchConference contribution

Decimation
Error Correction
Error correction
Sufficient Conditions
Graph in graph theory
11 Citations

Two-bit bit flipping algorithms for LDPC codes and collective error correction

Nguyen, D. V. & Vasić, B. 2014 In : IEEE Transactions on Communications. 62, 4, p. 1153-1163 11 p., 6750416

Research output: Research - peer-reviewArticle

Error correction
Decoding
Failure analysis
4 Citations

Two-dimensional noise-predictive maximum likelihood method for magnetic recording channels

Matcha, C. K., Srinivasa, S. G., Khatami, S. M. & Vasic, B. Dec 8 2014 Proceedings of 2014 International Symposium on Information Theory and Its Applications, ISITA 2014. Institute of Electrical and Electronics Engineers Inc., p. 679-683 5 p. 6979930

Research output: ResearchConference contribution

Magnetic recording
Signal detection
Maximum likelihood
Equalizers
Detectors