'Error correcting codes' diaporamas de présentation

Data Link Level Design Issues

Data Link Level Design Issues. Services provided to Network Layer Framing Error control Flow control. Services provided to Network Layer. Host 1. Host 2. Layer 4. Layer 4. Layer 3. Layer 3. Actual Data Path. Layer 2. Virtual Data Path. Layer 2. Layer 1. Layer 1.

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The Data Link Layer

The Data Link Layer. Chapter 3. The Model. transport layer protocol. hostA. hostB. DLL protocol. DLL protocol. node1. node2. node3. logical path. Logical path. physical path. physical path. data link/logical link = ? physical ? link + procedure.

1.01k views • 74 slides

Data Link Layer

Data Link Layer. Shivkumar Kalyanaraman Rensselaer Polytechnic Institute shivkuma@ecse.rpi.edu http://www.ecse.rpi.edu/Homepages/shivkuma Based in part upon the slides of Prof. Raj Jain (OSU). The data link layer problem Error detection and correction

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An Application of Coding Theory into Experimental Design

An Application of Coding Theory into Experimental Design. A Short Course at Tamkang University Taipei, Taiwan, R.O.C. March 7-9 2006. Shigeichi Hirasawa. Department of Industrial and Management Systems Engineering, School of Science and Engineering , Waseda University. ?? Introduction.

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Coding Theory

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15-853:Algorithms in the Real World

15-853:Algorithms in the Real World. Error Correcting Codes III (expander based codes) Expander graphs Low density parity check (LDPC) codes Tornado codes Thanks to Shuchi Chawla for many of the slides. Why Expander Based Codes?. Linear codes like RS & random linear codes

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Cryptography with Quantum Data

530 views • 38 slides

296.3:Algorithms in the Real World

296.3:Algorithms in the Real World. Error Correcting Codes III (expander based codes) Expander graphs Low density parity check (LDPC) codes Tornado codes Thanks to Shuchi Chawla for many of the slides. Why Expander Based Codes?. Linear codes like RS & random linear codes

523 views • 37 slides

296.3:Algorithms in the Real World

296.3:Algorithms in the Real World. Error Correcting Codes III (expander based codes) Expander graphs Low density parity check (LDPC) codes Tornado codes Thanks to Shuchi Chawla for many of the slides. Why Expander Based Codes?. Linear codes like RS & random linear codes

531 views • 36 slides

Algorithm-Based Fault Tolerance Matrix Multiplication

Algorithm-Based Fault Tolerance Matrix Multiplication. Greg Bronevetsky. Problem at Hand. Have matrices A and B Want to compute their product: AB Ask a matrix-matrix-multiply (MMM) implementation to compute product Answer: C Question: Is C the correct answer? How could we know for sure?.

553 views • 35 slides

15-853:Algorithms in the Real World

15-853:Algorithms in the Real World. Error Correcting Codes III Expander graphs Tornado codes Thanks to Shuchi Chawla for the slides. Why Tornado Codes?. Desgined by Luby, Mitzenmacher, Shokrollahi et al Linear codes like RS & random linear codes The other two give nearly optimal rates

475 views • 35 slides

Lecture 41

Lecture 41. CSE 331 Dec 9, 2011. HW 10 due today. Q1, Q2 and Q3 in separate piles. I will not take any HW after 1:15pm. Finals. Noon- 2:30pm. TALBRT 107. Blog post on the finals up. Fri, Dec 16. Today and Monday. hours-a-thon. Old HW and soins. Atri: Fri, 2:00-3:30 (Davis 319).

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The P C P starting point

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296.3:Algorithms in the Real World

432 views • 28 slides

Error-Correcting Codes and Pseudorandom Projections

Error-Correcting Codes and Pseudorandom Projections. Luca Trevisan U.C. Berkeley. About this talk. Take the input, encode with an error-correcting code, and restrict the codeword to a (pseudo)randomly chosen subset of the bits

376 views • 25 slides

Lecture 3 Combinational Circuits

Lecture 3 Combinational Circuits. CSCE 211 Digital Design. Topics Basic Gates (3.1) Adders: half-adder, full-adder Gray Code (2.11) N-cube (2.14) Error Correcting codes (2.15) Boolean Algebra (4.1) Combinational-Circuit Analysis (4.2). August 28, 2003. Overview. Last Time

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Undetectable Stegosystem Based on Noisy Channels

Undetectable Stegosystem Based on Noisy Channels. V. Korzhik, G. Morales Luna, K. Loban Singapor, NTU, 2010. 1. Introduction

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Chapter 3

Chapter 3. Error-Correcting Codes. Outline. 3.1 Need for Error Correction 3.2 Rectangular Codes 3.3 Triangular, Cubic, and n -Dimensional Codes 3.4 Hamming Error-Correcting Codes 3.5 Equivalent Codes 3.6 Geometric Approach 3.7 Single-Error-Correction Plus

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The zigzag product, Expander graphs & Combinatorics vs. Algebra

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A Family of Codes on Projective Surface

A Family of Codes on Projective Surface. Kouichi Shibaki (Iwate Prefectural University) Kiyoshi Nagata (Daito Bunka University). Contents. Brief Overview of the Algebraic Geometric Code Goppa Code General Construction of Code on Projective Scheme Code on Projective Surface

368 views • 16 slides