JP2013219818A - 複数の巡回冗長検査(crc)を生成するための方法及び装置 - Google Patents
複数の巡回冗長検査(crc)を生成するための方法及び装置 Download PDFInfo
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- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
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- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H—ELECTRICITY
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Abstract
【解決手段】複数の巡回冗長検査は、選択された巡回冗長検査生成多項式を用いて複数のビットに基づいて計算され、少なくとも1つの巡回冗長検査は、一定のビット順序を有する上記複数のビットの第1のサブセットに基づいて計算され、少なくとも他の巡回冗長検査は、異なるビット順序を有する上記複数のビットの第2のサブセットに基づいて計算される。上記複数のビットの第2のサブセットは、上記複数のビットの第1のサブセットとオーバーラップされてもよい。
【選択図】図4
Description
Claims (18)
- 複数の巡回冗長検査生成多項式を用いて、複数のビットに対する複数の巡回冗長検査を計算し、第1の巡回冗長検査生成多項式は、第1の複数のビットに基づいて第1の巡回冗長検査を計算するために使用され、第2の巡回冗長検査生成多項式は、第2の複数のビットに基づいて第2の巡回冗長検査を計算するために使用されるステップと、
少なくとも1つの送信アンテナを介して前記複数のビット及び前記複数の巡回冗長検査を送信するステップと、
を有することを特徴とする通信方法。 - 前記第1の複数のビットは、前記第2の複数のビットのサブセットであることを特徴とする請求項1に記載の通信方法。
- 前記第1の複数のビットは、前記第2の複数のビットのスーパーセットであることを特徴とする請求項1に記載の通信方法。
- 前記第1の複数のビットは、前記第2の複数のビットとオーバーラップされることを特徴とする請求項1に記載の通信方法。
- 前記第1の巡回冗長検査と前記第2の巡回冗長検査とは、相異なる長さを有することを特徴とする請求項1に記載の通信方法。
- 前記第1の巡回冗長検査と前記第2の巡回冗長検査とは、同一の長さを有することを特徴とする請求項1に記載の通信方法。
- 前記第1の巡回冗長検査生成多項式と前記第2の巡回冗長検査生成多項式は、相異なることを特徴とする請求項1に記載の通信方法。
- 通信システムにおける無線端末機であって、
複数の巡回冗長検査生成多項式を用いて複数のビットに対する複数の巡回冗長検査を計算し、第1の巡回冗長検査生成多項式は、第1の複数のビットに基づいて第1の巡回冗長検査を計算するために使用され、第2の巡回冗長検査生成多項式は、第2の複数のビットに基づいて第2の巡回冗長検査を計算するために使用される少なくとも1つの巡回冗長検査生成器と、
前記複数のビット及び前記複数の巡回冗長検査を送信する少なくとも1つのアンテナと
を有することを特徴とする無線端末機。 - 前記第1の複数のビットは、前記第2の複数のビットのサブセットであることを特徴とする請求項10に記載の無線端末機。
- 前記第1の複数のビットは、前記第2の複数のビットのスーパーセットであることを特徴とする請求項10に記載の無線端末機。
- 前記第1の複数のビットは、前記第2の複数のビットとオーバーラップされることを特徴とする請求項10に記載の無線端末機。
- 前記第1の巡回冗長検査と前記第2の巡回冗長検査とは、相異なる長さを有することを特徴とする請求項10に記載の無線端末機。
- 前記第1の巡回冗長検査と前記第2の巡回冗長検査とは、同一の長さを有することを特徴とする請求項10に記載の無線端末機。
- 前記第1の巡回冗長検査生成多項式と前記第2の巡回冗長検査生成多項式は、相異なることを特徴とする請求項10に記載の無線端末機。
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US12/213,579 US8555148B2 (en) | 2007-09-18 | 2008-06-20 | Methods and apparatus to generate multiple CRCs |
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KR20150117631A (ko) | 2015-10-20 |
JP2010539840A (ja) | 2010-12-16 |
KR20100074143A (ko) | 2010-07-01 |
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KR101648870B1 (ko) | 2016-08-30 |
AU2008301483A1 (en) | 2009-03-26 |
RU2010110135A (ru) | 2011-09-27 |
CN104253669A (zh) | 2014-12-31 |
KR101600097B1 (ko) | 2016-03-04 |
CA2699732A1 (en) | 2009-03-26 |
CN101803265A (zh) | 2010-08-11 |
CN104253616A (zh) | 2014-12-31 |
US20090077456A1 (en) | 2009-03-19 |
WO2009038313A1 (en) | 2009-03-26 |
AU2008301483B2 (en) | 2013-01-10 |
US8555148B2 (en) | 2013-10-08 |
CA2699732C (en) | 2014-10-21 |
CN104253669B (zh) | 2019-04-12 |
JP5349480B2 (ja) | 2013-11-20 |
RU2441328C2 (ru) | 2012-01-27 |
JP2015084593A (ja) | 2015-04-30 |
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