KR100477794B1 - 데이터 포맷 검출기능을 갖는 아이엠피의 자동보드 수행방법 - Google Patents
데이터 포맷 검출기능을 갖는 아이엠피의 자동보드 수행방법 Download PDFInfo
- Publication number
- KR100477794B1 KR100477794B1 KR10-1998-0024508A KR19980024508A KR100477794B1 KR 100477794 B1 KR100477794 B1 KR 100477794B1 KR 19980024508 A KR19980024508 A KR 19980024508A KR 100477794 B1 KR100477794 B1 KR 100477794B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- baud rate
- imp
- bit
- input
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000006870 function Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000005070 sampling Methods 0.000 claims abstract description 12
- 230000002459 sustained effect Effects 0.000 claims abstract description 4
- 238000000605 extraction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 102100021608 Inositol monophosphatase 2 Human genes 0.000 description 5
- 101710150707 Inositol monophosphatase 2 Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40032—Details regarding a bus interface enhancer
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (1)
- 사용자 단말기(1)와 IMP(2)간의 비동기 직렬 통신시 자동보드 기능을 수행함에 있어서,입력될 데이터에 대한 샘플링 클럭을 최대 가능한 보드 레이트의 16배 이상으로 설정한 후, 입력되는 데이터의 스타트 비트(a)가 지속되는 샘플링 클럭의 수를 측정하는 제1단계와, 상기 제1단계에서 측정한 값과 샘플링 클럭의 주파수를 이용하여 현재의 보드 레이트를 검출하는 제2단계와, 상기 제2단계에서 검출한 보드 레이트 이외의 다른 설정값을 검출하기 위해 7비트 또는 8비트의 수를 갖는 2가지의 데이터 비트의 수와 5가지의 패리티 종류를 조합하여 구성되는 10가지의 모든 가능한 설정값을 특정 메모리 영역에 1개의 비트로 할당하여 코딩하여 주는 제3단계와, 상기 제3단계 수행 후, 입력되는 7개 또는 8개의 데이터 비트(b)를 이용하여 데이터 비트(b)에 포함되어 있는 1의 개수와 데이터 비트(b)의 최상위 비트의 값 및 데이터 비트(b) 다음의 마지막 비트의 값을 추출하고, 이 추출 결과에 따라 가능한 설정값들을 추출하는 제4단계와, 상기 제4단계에서 가능한 설정값이 여러 가지 추출됨에 따라 최종적으로 하나의 가능한 설정값을 검출할 때까지 입력되는 문자의 특성을 반복 조사하여 중복되는 설정값 하나만을 검출하도록 하는 제5단계로 이루어지는 것을 특징으로 하는 데이터 포맷 검출기능을 갖는 아이엠피의 자동보드 수행방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0024508A KR100477794B1 (ko) | 1998-06-27 | 1998-06-27 | 데이터 포맷 검출기능을 갖는 아이엠피의 자동보드 수행방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1998-0024508A KR100477794B1 (ko) | 1998-06-27 | 1998-06-27 | 데이터 포맷 검출기능을 갖는 아이엠피의 자동보드 수행방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000003289A KR20000003289A (ko) | 2000-01-15 |
KR100477794B1 true KR100477794B1 (ko) | 2005-06-08 |
Family
ID=19541049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0024508A KR100477794B1 (ko) | 1998-06-27 | 1998-06-27 | 데이터 포맷 검출기능을 갖는 아이엠피의 자동보드 수행방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100477794B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9049096B2 (en) | 2006-06-19 | 2015-06-02 | Qualcomm Incorporated | Data routing via lower layers in a communication system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6139747A (ja) * | 1984-07-31 | 1986-02-25 | Toppan Printing Co Ltd | ポ−レイト自動設定装置 |
JPH05191470A (ja) * | 1992-01-09 | 1993-07-30 | Max Co Ltd | 調歩式伝送に於ける通信条件認識方法 |
JPH06197148A (ja) * | 1992-12-25 | 1994-07-15 | Oki Electric Ind Co Ltd | 受信データのビットレートおよびキャラクタフォーマット判定方式 |
US5490209A (en) * | 1994-02-09 | 1996-02-06 | Harris Corporation | Autobaud rate detection mechanism |
JPH08214041A (ja) * | 1995-02-03 | 1996-08-20 | Max Co Ltd | 自動プロトコル認識装置 |
-
1998
- 1998-06-27 KR KR10-1998-0024508A patent/KR100477794B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6139747A (ja) * | 1984-07-31 | 1986-02-25 | Toppan Printing Co Ltd | ポ−レイト自動設定装置 |
JPH05191470A (ja) * | 1992-01-09 | 1993-07-30 | Max Co Ltd | 調歩式伝送に於ける通信条件認識方法 |
JPH06197148A (ja) * | 1992-12-25 | 1994-07-15 | Oki Electric Ind Co Ltd | 受信データのビットレートおよびキャラクタフォーマット判定方式 |
US5490209A (en) * | 1994-02-09 | 1996-02-06 | Harris Corporation | Autobaud rate detection mechanism |
JPH08214041A (ja) * | 1995-02-03 | 1996-08-20 | Max Co Ltd | 自動プロトコル認識装置 |
Also Published As
Publication number | Publication date |
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KR20000003289A (ko) | 2000-01-15 |
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