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error correction code

An error-correcting code and coding technology, applied in the field of error-correcting codes, can solve problems such as inadvisability

Active Publication Date: 2017-10-13
QUANTA COMPUTER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While this may not pose a problem for file transfers, this delay is undesirable if the message is some sort of instant audio or video stream such as a video conference message

Method used

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Embodiment Construction

[0016] As used herein, the term "include" means including but not limited to, and the term "including" means including but not limited to. The terms "a" and "an" are intended to designate at least one of a particular element. The term "based on" means based at least in part. The term "or" is used to denote a non-exclusive such that A or B includes "A but without B", "B but without A", and "A and B", unless otherwise indicated.

[0017] In an example of the present invention, methods and apparatus are provided for generating and decoding an error correction code. The code is operable on the Internet Protocol (IP, "Internet Protocol"), so it can be implemented in software, hardware or a combination thereof without changing the existing Internet infrastructure.

[0018] high level instructions

[0019] figure 1 is a block diagram of a system 100 in an example of the present invention. System 100 includes an encoder 102 that processes a source stream 104 (eg, from a video c...

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PUM

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Abstract

A method for transmitting an error correction code is provided. The method includes receiving a source packet, advancing a sliding encoder window after receiving the source packet, and by encoding the source packet individually when the padded packet is first encoded and after the first time when the source packet is encoded several times The source packets are encoded using older source packets in a sliding window to generate encoded packets.

Description

technical field [0001] The present invention relates generally to the field of communications, and more particularly to error correcting codes. Background technique [0002] Error correcting codes are used to reduce the error rate when communicating over noisy channels. A typical error correcting code transmits more symbols than necessary so that receiving a corrupted symbol stream still allows the original message to be reconstructed as long as the corruption is not too great. [0003] When an error correcting code has a fixed ratio of the number of source symbols to the number of symbols transmitted, the code has a constant rate. An error correcting code has a variable rate when the code allows the rate to change during transmission. For example, the rate can be adapted to changing conditions among the communication channel. [0004] Typical variable rate codes have a long decoding delay if a substantial portion of the message is received. While this may not pose a pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M13/15
Inventor 马泰奥·弗里戈劳伦斯·科尔姆·斯图尔特
Owner QUANTA COMPUTER INC