'Error correcting code' diaporamas de présentation

700 views • 68 slides

The Power of Randomness in Computation

The Power of Randomness in Computation. ??? ??????. PART I: Randomization. Random Sampling. Population: 20 million, voting yellow or red. Random Sample: 3,000. Polling. With probability >99% % in population = % in sample ? 5% independent of population size. Lesson.

636 views • 54 slides

Channel Coding

Channel Coding. Channel Coding

601 views • 52 slides

Randomness Extractors: Motivation, Applications and Constructions

Randomness Extractors: Motivation, Applications and Constructions. Ronen Shaltiel University of Haifa. Outline of talk. Extractors as graphs with expansion properties Extractors as functions which extract randomness Applications Explicit Constructions.

525 views • 40 slides

Randomness Extractors: Motivation, Applications and Constructions

Randomness Extractors: Motivation, Applications and Constructions. Ronen Shaltiel University of Haifa. Outline of talk. Extractors as graphs with expansion properties Extractors as functions which extract randomness Applications Explicit Constructions.

527 views • 40 slides

Information and Coding Theory

Information and Coding Theory Some important classes of cyclic codes. Bose- Chaudhuri - Hocquenghem (BCH) codes. Reed-Solomon codes. Juris Viksna , 2018. Determinants. Lets start with something we known very well from linear algebra :). Determinants. In general case: where:

356 views • 34 slides

Randomness Extractors: Motivation, Applications and Constructions

Randomness Extractors: Motivation, Applications and Constructions. Ronen Shaltiel University of Haifa. Outline of talk. Extractors as graphs with expansion properties Extractors as functions which extract randomness Applications Explicit Constructions.

418 views • 32 slides

Error Correcting Codes: Combinatorics, Algorithms and Applications

318 views • 31 slides

Introduction to Coding Theory

Introduction to Coding Theory. Outline. [1] Introduction [2] Basic assumptions [3] Correcting and detecting error patterns [4] Information rate [5] The effects of error correction and detection [6] Finding the most likely codeword transmitted [7] Some basic algebra [8] Weight and distance

307 views • 25 slides

Introduction to Coding Theory

Introduction to Coding Theory. Rong-Jaye Chen. Outline. [1] Introduction [2] Basic assumptions [3] Correcting and detecting error patterns [4] Information rate [5] The effects of error correction and detection [6] Finding the most likely codeword transmitted [7] Some basic algebra

322 views • 25 slides

Goutham Kumar Kandukuri

Cooperative Multiple Input Multiple Output Communication in Wireless Sensor Network: An Error Correcting Code approach using LDPC Code. Goutham Kumar Kandukuri. Introduction. Energy efficient data transmission is one of the key factors for energy constrained wireless sensor network (WSN ).

443 views • 15 slides

Error Correcting Codes

Error Correcting Codes. Christopher Motl 01.29.2008. Overview. Definitions Current Uses Future of Error-correcting codes. Can You Hear Me Now?. Error Detection. Ability to detect errors Parity bit, Checksum, Cyclic redundancy check, Hashing. Error Correction.

468 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