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Turbo code decoding iteration stopping criterion judging system, method and device

A decoding iteration and decoding technology, applied in the field of turbo code decoding stop iteration criterion judgment system, can solve the problems of low efficiency and performance degradation of turbo code decoder, and achieve the effect of high efficiency and increased throughput

Active Publication Date: 2015-07-22
SHENZHEN SANPENG ELECTRONICS CO LTD
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Problems solved by technology

This has resulted in a reduction in the performance of the Turbo code decoder, and its efficiency is low

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  • Turbo code decoding iteration stopping criterion judging system, method and device
  • Turbo code decoding iteration stopping criterion judging system, method and device
  • Turbo code decoding iteration stopping criterion judging system, method and device

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Embodiment Construction

[0042]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0043] In the embodiment of the system, method and device for judging the stop iteration criterion of Turbo code decoding in the present invention, the system for judging the stop iteration criterion of Turbo code decoding includes a Turbo code encoding end and a Turbo code decoding end, figure 1 It is a schematic structural diagram of the turbo code decoding end in the embodiment. figure 1 Among them, the Turbo code decoding end includes a Turbo code decoder 01, th...

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Abstract

The invention provides a Turbo code decoding iteration stopping criterion judging system which comprises a Turbo code coding end and a Turbo code decoding end. The Turbo code decoding end comprises a Turbo code decoder and is used for adding CRC correction data to user data, performing Turbo code coding on the user data added by the CRC correction data and then outputting the user data, and the Turbo code decoding end receives Turbo code coding data output by the Turbo code coding end, sequentially segments the Turbo code coding data and then sending the same into the Turbo code decoder for decoding. The invention further relates to a Turbo code decoding iteration stopping criterion judging method and device. The Turbo code decoding iteration stopping criterion judging system, method and device has the advantages that efficiency is high, and throughput rate of the Turbo code decoder can be increased.

Description

technical field [0001] The invention relates to the field of decoding, in particular to a system, method and device for judging stop iteration criterion of Turbo code decoding. Background technique [0002] Turbo codes are widely used in modern wireless communication systems, such as LTE systems, etc., and have excellent error correction capabilities close to the Shannon limit. In the turbo code decoding process, there are two methods for judging the iterative stopping criterion of decoding: one is the soft decision criterion based on the decoder output likelihood ratio, and the other is the hard decision criterion based on the decoder output decision symbol. Judgment criteria. These two types of methods have the situation that the actual decoding and error correction is completed, but the stop decision criterion is not reached, and additional iterative decoding process needs to be continued, or the stop decision criterion is reached, but the actual decoding and error corre...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M13/29
Inventor 王硕张朝阳阮成佳钟祯发王小莉凌广香王景洲
Owner SHENZHEN SANPENG ELECTRONICS CO LTD
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