Results 101 to 110 of about 4,441 (227)

Efficient LDPC Code Design based on Genetic Algorithm for IoT Applications

EAI Endorsed Transactions on Industrial Networks and Intelligent Systems
In this paper, we propose a low-density parity check (LDPC) code design scheme that improves the performance of the existing genetic algorithm-based LDPC scheme. In particular, we enhance the performance of the LDPC code by removing the girth-4 property
Thanh-Loc Nguyen-Van, Tan Do Duy, Thien Huynh-The   +2 more
doaj   +1 more source

Sphere-Packing Modulated Space-Time Coding Using Non-Binary LDPC-Coded Iterative-Detection

, 2008
A recently proposed Space-Time Block Coding (STBC) signal construction method that combines orthogonal design with sphere packing, referred to here as (STBC-SP), has shown useful performance improvements over Alamouti’s conventional orthogonal design. In
Alamri, Osamah, F. Guo, Ng, Soon, S. X. Ng, O. Alamri, S. Zummo, L. Hanzo, Guo, Feng, Zummo, S, Hanzo, Lajos   +9 more
core   +1 more source

Sparse Regression LDPC Codes

IEEE Transactions on Information Theory
This work has been submitted to the IEEE for possible publication.
Jamison R. Ebert, Jean-François Chamberland, Krishna R. Narayanan   +2 more
openaire   +2 more sources

Single and joint iterative decoding for higher order modulation schemes [PDF]

, 2008
The research project described in this thesis concentrates on the study, and application of specific channel coding techniques, in particular, low-density parity-check (LDPC) codes, iterative decoding on Tanner graphs, and their application on joint ...
Vital, Juan Carlos Serrato
core  

Hardwarearchitektur für einen universellen LDPC Decoder [PDF]

Advances in Radio Science, 2009
Im vorliegenden Beitrag wird eine universelle Decoderarchitektur für einen Low-Density Parity-Check (LDPC) Code Decoder vorgestellt. Anders als bei den in der Literatur häufig beschriebenen Architekturen für strukturierte Codes ist die hier vorgestellte ...
C. Beuschel, H.-J. Pfleiderer
doaj  

Packet-Layer Forward Error Correction Coding for Fading Mitigation

, 2006
In an on/off-keying atmospheric optical communication system, index of refraction turbulence and PAT (pointing, acquisition and tracking) instabilities create strong and very slow fading compared to the usually used high data-rates.
Hennes Henniger, Henniger, Hennes
core   +1 more source

Design of low-density parity-check codes: An overview

, 2011
This article provides an overview of the conflicting design tradeoffs of low-density parity-check (LDPC) codes and thus advocates a more holistic approach to their design for wireless channels.
Chen, Sheng, Bonello, Nicholas, Hanzo, Lajos   +2 more
core  

Low-Floor Tanner Codes via Hamming-Node or RSCC-Node Doping

, 2006
We study the design of structured Tanner codes with low error-rate floors on the AWGN channel. The design technique involves the “doping” of standard LDPC (proto-)graphs, by which we mean Hamming or recursive systematic convolutional (RSC) code ...
Ryan, William E., Shadi Abu-Surra, Liva, Gianluigi, Abu-Surra, Shadi, William E. Ryan, Gianluigi Liva   +5 more
core   +1 more source

Repeat accumulate code division multiple access and its hybrid detection

, 2008
In this paper, we propose the novel concept of Repeat Accumulate Code Division Multiple Access (RA-CDMA), which employs unique, user-specific channel code generator matrices (interleavers) for differentiating the users.
S. Chen, Chen, Sheng, R. Zhang, Xu, Lei, Zhang, Rong, L. Hanzo, Hanzo, Lajos, L. Xu   +7 more
core   +1 more source

The ADMM Penalized Decoder for LDPC Codes

IEEE Transactions on Information Theory, 2016
This work was supported by the National Science Foundation (NSF) under Grants CCF-1217058 and by a Natural Sciences and Engineering Research Council of Canada (NSERC) Discovery Research Grant. This paper was submitted to IEEE Trans.
Xishuo Liu, Stark C. Draper
openaire   +2 more sources