For faster navigation, this Iframe is preloading the Wikiwand page for 涡轮码.

涡轮码

涡轮码(英語:Turbo code)是信息论中一种前向纠错的编码技术,发明于1990至1991年间,并于1993年首次发表。[1]涡轮码是首个得以接近香农极限的现实可行的编码,在低信噪比条件下有着优越的性能,广泛运用于3G/4G移动通信(如UMTSLTE)、深空卫星通信等领域。

涡轮码的解码过程通过一个反馈环路迭代进行,因类似于内燃机涡轮增压器的工作过程而得名。

人工智能的角度而言,涡轮码的解码可看作是贝叶斯网络上的循环置信度传播(loopy belief propagation)。[2]

参见

[编辑]

参考文献

[编辑]
  1. ^ Berrou, Claude; Glavieux, Alain; Thitimajshima, Punya, Near Shannon Limit Error – Correcting (PDF), [11 February 2010], (原始内容存档 (PDF)于2012-01-30) 
  2. ^ McEliece, Robert J.; MacKay, David J. C.; Cheng, Jung-Fu, Turbo decoding as an instance of Pearl's "belief propagation" algorithm, IEEE Journal on Selected Areas in Communications, 1998, 16 (2): 140–152, ISSN 0733-8716, doi:10.1109/49.661103. 
{{bottomLinkPreText}} {{bottomLinkText}}
涡轮码
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?