'Ldpc code' presentation slideshows

UCLA Progress Report OCDMA Channel Coding

UCLA Electrical Engineering Department-Communication Systems Laboratory. UCLA Progress Report OCDMA Channel Coding. Jun Shi Andres I. Vila Casado Miguel Griot Richard D. Wesel. OCDMA Goals : Security. Improve security over assigned-wavelength WDM?

449 views • 36 slides

ECE 6332, Spring, 2014 Wireless Communication

ECE 6332, Spring, 2014 Wireless Communication. Zhu Han Department of Electrical and Computer Engineering Class 18 March. 26 th , 2014. Outline. Chapter 8 FEC Basics Line Code. Automatic Repeat-reQuest (ARQ). Alice and Bob on their cell phones Both Alice and Bob are talking

392 views • 27 slides

Error-Correcting Codes for TLC Flash

Error-Correcting Codes for TLC Flash. Eitan Yaakobi, Laura Grupp Steven Swanson, Paul H. Siegel, and Jack K. Wolf. University of California San Diego. Flash Memory Summit, August 2011. Outline. Flash Memory Structure Partial Cell Usage in TLC Flash ECC Comparison for TLC Flash

471 views • 24 slides

Aggregated Circulant Matrix Based LDPC Codes

Aggregated Circulant Matrix Based LDPC Codes. Yuming Zhu and Chaitali Chakrabarti Department of Electrical Engineering Arizona State University, Tempe. Outline. Introduction to LDPC codes Iterative decoding of LDPC codes Aggregated Circulant Matrix (ACM) based LDPC codes

506 views • 22 slides

Non-Binary Joint Network Channel Coding for Reliable Communication in Large Wireless Networks

Non-Binary Joint Network Channel Coding for Reliable Communication in Large Wireless Networks. Zheng Guo , Jie Huang, Bing Wang, Jun-Hong Cui and Shengli Zhou. Outline. Motivation Related Work System Description Benefits of NB-JNCC Performance Study Conclusions & Discussions. Motivation.

310 views • 19 slides

Low Density Parity Check codes

Low Density Parity Check codes. Performance similar to turbo codes Do not require long interleaver to achieve good performance Better block error performance Error floor occurs at lower BER Decoding is not trellis based Iterative decoding More iterations than turbo decoding

657 views • 18 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ LDPC for TFI-OFDM PHY ] Date Submitted: [ September 2003 ] Source: [ Yaron Rashi, Eran Sharon, Prof. Simon Litsyn ] Company [ Infineon Technologies ]

272 views • 18 slides

LDPC Codes Based on Cyclotomic Cosets Mina Sartipi and Faramarz Fekri Georgia Institute of Technology School of Electric

LDPC Codes Based on Cyclotomic Cosets Mina Sartipi and Faramarz Fekri Georgia Institute of Technology School of Electrical & Computer Engineering October 2003. Outline. Review of LDPC code Construction of cyclic LDPC codes using cyclotomic cosets

488 views • 15 slides

267 views • 15 slides

EEE436

EEE436. DIGITAL COMMUNICATION Coding. Turbo Codes A relatively new class of convolutional codes first introduced in 1993

150 views • 14 slides

Low Density Parity Check Codes An Introduction

Low Density Parity Check Codes An Introduction. Yuta Toriyama. yuta@ee.ucla.edu August 24, 2012. Channel Coding / FEC. Technique for controlling errors in transmission of data Redundancy in error-correcting code Hamming. Simple Parity Check Example. Simple scheme: repeat each bit 3 times

365 views • 10 slides