KR100220570B1 - 패킷교환기의 에러검출장치 - Google Patents
패킷교환기의 에러검출장치 Download PDFInfo
- Publication number
- KR100220570B1 KR100220570B1 KR1019950005489A KR19950005489A KR100220570B1 KR 100220570 B1 KR100220570 B1 KR 100220570B1 KR 1019950005489 A KR1019950005489 A KR 1019950005489A KR 19950005489 A KR19950005489 A KR 19950005489A KR 100220570 B1 KR100220570 B1 KR 100220570B1
- Authority
- KR
- South Korea
- Prior art keywords
- bit
- vector
- common bus
- error detection
- bits
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- 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
- 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
- H03M13/091—Parallel or block-wise CRC computation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
- H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/102—Packet switching elements characterised by the switching fabric construction using shared medium, e.g. bus or ring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
Claims (2)
- 입력 8비트의 데이타와 에러검출을 위한 4비트의 코드비트를 엔코딩하여 각각 12비트의 코딩된 벡터를 생성하는 제1, 제2엔코딩수단과, 상기 제1, 제2엔코딩수단에서 생성된 코딩 벡터를 인터페이스하는 공통버스와, 상기 공통버스를 공유하여 상기 코딩된 각각의 12비트의 벡터를 수신하고 그 수신된 12비트의 벡터로부터 각각 원래의 8비트 데이타를 추출하여 에러를 검출 및 수정하는 제1, 제2디코딩수단을 포함하는 패킷교환기의 에러검출장치.
- 제1항에 있어서, 제1디코딩수단은 상기 공통버스를 통해 입력되는 12비트의 벡터를 배타적 논리화하여 4비트의 코드비트를 생성하는 제1디코더와, 상기 제1디코더에서 생성된 4비트의 코드비트를 논리곱하여 8비트의 코드비트를 생성하는 제2디코더와, 상기 제2디코더에서 생성된 8비트의 코드비트와 공통버스를 통해 입력되는 8비트의 벡터를 배타적 논리화하여 원래의 8비트 데이타를 추출하는 제3디코더로 구성함을 특징으로 하는 패킷교환기의 에러검출장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950005489A KR100220570B1 (ko) | 1995-03-16 | 1995-03-16 | 패킷교환기의 에러검출장치 |
| US08/616,301 US5703886A (en) | 1995-03-16 | 1996-03-15 | Error detecting apparatus for packet exchange |
| CN96102766A CN1068487C (zh) | 1995-03-16 | 1996-03-18 | 分组交换机的检错装置 |
| JP6100396A JP2945621B2 (ja) | 1995-03-16 | 1996-03-18 | パケット交換機のエラー検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950005489A KR100220570B1 (ko) | 1995-03-16 | 1995-03-16 | 패킷교환기의 에러검출장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960036457A KR960036457A (ko) | 1996-10-28 |
| KR100220570B1 true KR100220570B1 (ko) | 1999-09-15 |
Family
ID=19409914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950005489A Expired - Fee Related KR100220570B1 (ko) | 1995-03-16 | 1995-03-16 | 패킷교환기의 에러검출장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5703886A (ko) |
| JP (1) | JP2945621B2 (ko) |
| KR (1) | KR100220570B1 (ko) |
| CN (1) | CN1068487C (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100433908B1 (ko) * | 2001-10-29 | 2004-06-04 | 삼성전자주식회사 | 통신시스템의 오류 검출 정보 송수신 장치 및 방법 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI112995B (fi) * | 2001-01-16 | 2004-02-13 | Nokia Corp | Virheellisen datan käsittely pakettivälitteistä tiedonsiirtoa tarjoavassa tietoliikennejärjestelmässä |
| US7523342B1 (en) * | 2005-10-28 | 2009-04-21 | Sun Microsystems, Inc. | Data and control integrity for transactions in a computer system |
| US20070283208A1 (en) * | 2006-06-01 | 2007-12-06 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code with bus diagnostic features |
| US20070283223A1 (en) * | 2006-06-01 | 2007-12-06 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code with all checkbits transferred last |
| US7721178B2 (en) * | 2006-06-01 | 2010-05-18 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code |
| US20070283207A1 (en) * | 2006-06-01 | 2007-12-06 | International Business Machines Corporation | Systems, methods, and computer program products for providing a two-bit symbol bus error correcting code with bus timing improvements |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072853A (en) * | 1976-09-29 | 1978-02-07 | Honeywell Information Systems Inc. | Apparatus and method for storing parity encoded data from a plurality of input/output sources |
| US4388684A (en) * | 1981-03-27 | 1983-06-14 | Honeywell Information Systems Inc. | Apparatus for deferring error detection of multibyte parity encoded data received from a plurality of input/output data sources |
| US5161156A (en) * | 1990-02-02 | 1992-11-03 | International Business Machines Corporation | Multiprocessing packet switching connection system having provision for error correction and recovery |
| JPH0477148A (ja) * | 1990-07-17 | 1992-03-11 | Fujitsu Ltd | シグナリング・データ受信処理方式 |
| DE4132552C1 (ko) * | 1991-09-30 | 1992-11-12 | Siemens Ag, 8000 Muenchen, De | |
| JP3239138B2 (ja) * | 1991-11-12 | 2001-12-17 | 日本電信電話株式会社 | 通信網の転送データ誤り検出方法 |
| US5353352A (en) * | 1992-04-10 | 1994-10-04 | Ericsson Ge Mobile Communications Inc. | Multiple access coding for radio communications |
-
1995
- 1995-03-16 KR KR1019950005489A patent/KR100220570B1/ko not_active Expired - Fee Related
-
1996
- 1996-03-15 US US08/616,301 patent/US5703886A/en not_active Expired - Fee Related
- 1996-03-18 JP JP6100396A patent/JP2945621B2/ja not_active Expired - Fee Related
- 1996-03-18 CN CN96102766A patent/CN1068487C/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100433908B1 (ko) * | 2001-10-29 | 2004-06-04 | 삼성전자주식회사 | 통신시스템의 오류 검출 정보 송수신 장치 및 방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1068487C (zh) | 2001-07-11 |
| JP2945621B2 (ja) | 1999-09-06 |
| KR960036457A (ko) | 1996-10-28 |
| CN1136740A (zh) | 1996-11-27 |
| US5703886A (en) | 1997-12-30 |
| JPH08265370A (ja) | 1996-10-11 |
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