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KR960006409A - 패킷 전송 방식 - Google Patents

패킷 전송 방식 Download PDF

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Publication number
KR960006409A
KR960006409A KR1019950021846A KR19950021846A KR960006409A KR 960006409 A KR960006409 A KR 960006409A KR 1019950021846 A KR1019950021846 A KR 1019950021846A KR 19950021846 A KR19950021846 A KR 19950021846A KR 960006409 A KR960006409 A KR 960006409A
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KR
South Korea
Prior art keywords
packet
bit
time
transmission method
bit stream
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KR1019950021846A
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English (en)
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KR100358398B1 (ko
Inventor
도모히사 시가
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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Publication of KR960006409A publication Critical patent/KR960006409A/ko
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Publication of KR100358398B1 publication Critical patent/KR100358398B1/ko

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Classifications

    • 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
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40058—Isochronous transmission
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • G06F13/423—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus with synchronous protocol
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G06F13/4295—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus using an embedded synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • 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
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40071—Packet processing; Packet format
    • 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
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40117—Interconnection of audio or video/imaging devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5614—User Network Interface
    • H04L2012/5616—Terminal equipment, e.g. codecs, synch.
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Transmitters (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Communication Control (AREA)
  • Small-Scale Networks (AREA)

Abstract

임의의 속도, 포맷의 비트 스트림을 전송할 때, 어플리케이션에 의존하지 않고 송신측과 수신측의 비트 스트림의 속도를 맞춘다. 송신측에서는 비트 스트림에 주기적으로 선두 비트의 위치를 부여함과 동시에, 상기 선두 비트 위치의 사각(싱트 타임)을 패킷에 부가하여 송신한다. 수신측에서는 패킷으로부터의 상기 비트스트림의 선두 비트 위치의 시각을 추출하고, 이 시각을 이용하여 수신측의 비트 스트림을 FIFO로부터 판독하는 속도를 제어한다.

Description

패킷 전송 방식
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예에서의 송신측 신호의 타이밍의 일예를 설명하는 도면.
제2도는 본 발명의 제1실시예에서의 송신 회로를 도시한 블럭도.
제3도는 본 발명의 제1실시예에서의 수신측 신호의 타이밍의 일예를 설명하는 도면.
제4도는 본 발명의 제1실시예에서의 송신측과 수신측의 선두 비트와 주기 관계의 일예를 설명하는 도면.
제5도는 본 발명의 제1실시예에서의 수신 회로를 도시한 블럭도.

Claims (9)

  1. 소정 속도의 비트 스트림을 패킷화하여 전송하는 전송 패킷 방식에 있어서, 송신측에서 비트 스트림에 주기적으로 선두 비트의 위치를 부여하는 스텝, 상기 부여된 선도 비트 위치의 시각을 패킷에 부가하는 스텝, 수신측에서 수신한 패킷을 일시 축적하는 스텝, 상기 패킷에 부가되어 있는 선두 비트 위치의 시각을 추출하는 스텝 및 상기 추출한 시각을 이용하여 상기 일시 축적 수단으로부터의 비트 스트림의 판독 속도를 제어하는 스텝으로 구성되는 것을 특징으로 하는 패킷 전송 방식.
  2. 제1항에 있어서, 선두 비트의 위치를 부여하는 수단이 비트 스트림의 속도와 동일한 속도로 동작하는 카운터인 것을 특징으로 하는 패킷 전송 방식.
  3. 제1항에 있어서, 추출한 선두 비트 위치의 시각에 소정치를 가산한 시각에서의 비트 스트림의 위치를 수신측의 비트 스트림의 선두 비트의 위치로 정하고, 상기 선두 비트 위치의 간격을 기초로 하여 수신측의 비트 스트림의 판독 속도를 제어하는 것을 특징으로 하는 패킷 전송 방식.
  4. 제1항에 있어서, 송신측에 소정 시간마다 비트 스트림의 비트의 위치를 패킷에 부가하는 수단을 설치하고, 수신측에 상기 부가된 비트의 위치를 기초로 수신측의 선두 비트의 위치를 정하여 일시 축적 수단에 송출하는 수단, 상기 수신측의 선두 비트의 위치를 상기 일시 축적 수단으로부터 판독한 시각과 패킷으로부터 추출한 선두 비트 위치의 시각을 기초로 하여 일시 축적 수단으로 부터의 비트 스트림의 판독 속도를 제어하는 수단을 설치한 것을 특징으로 하는 패킷 전송 방식.
  5. 제4항에 있어서, 송신측에서 패킷 길이를 패킷에 부가하고, 수신측에서 상기 패킷 길이가 비트 스트림의 비트의 위치를 이용하여 전송 중에 소실된 데이타량을 산출하는 것을 특징으로 하는 패킷 전송 방식.
  6. 제1항에 있어서, 송신측 시각과 수신측 시각의 시각을 맞추는 것을 특징으로 하는 패킷 전송 방식.
  7. 제5항에 있어서, 상기 송신측 및 수신측의 기기는 VTR인 것을 특징으로 하는 패킷 전송 방식.
  8. 제5항에 있어서, 상기 송신측 및 수신측의 기기는 영상 신호 재생 장치와 컴퓨터인 것을 특징으로 하는 패킷 전송 방식.
  9. 제5항에 있어서, 상기 송신측의 기기는 영상 신호 재생 장치이고, 상기 수신측의 기기는 편집 장치인 것을 특징으로 하는 패킷 전송 방식.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950021846A 1994-07-25 1995-07-24 패킷전송방식 KR100358398B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP19280794 1994-07-25
JP94-192807 1994-07-25
JP94-242255 1994-09-09
JP24225594A JP3203978B2 (ja) 1994-07-25 1994-09-09 データ送受信装置、データ受信装置及びデータ送信装置

Publications (2)

Publication Number Publication Date
KR960006409A true KR960006409A (ko) 1996-02-23
KR100358398B1 KR100358398B1 (ko) 2003-01-24

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US (1) US5710773A (ko)
EP (2) EP1251665A3 (ko)
JP (1) JP3203978B2 (ko)
KR (1) KR100358398B1 (ko)
CN (2) CN1078028C (ko)
AT (1) ATE228738T1 (ko)
AU (1) AU696735B2 (ko)
CA (1) CA2154316C (ko)
DE (1) DE69528933T2 (ko)
MY (1) MY114186A (ko)

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JPH0897807A (ja) 1996-04-12
CN1352502A (zh) 2002-06-05
EP0695063B1 (en) 2002-11-27
EP1251665A3 (en) 2010-01-13
EP0695063A3 (en) 1998-01-21
KR100358398B1 (ko) 2003-01-24
CA2154316A1 (en) 1996-01-26
CA2154316C (en) 2007-07-10
MY114186A (en) 2002-08-30
AU2711495A (en) 1996-02-08
JP3203978B2 (ja) 2001-09-04
CN1078028C (zh) 2002-01-16
CN1128448A (zh) 1996-08-07
EP0695063A2 (en) 1996-01-31
DE69528933T2 (de) 2003-07-31
US5710773A (en) 1998-01-20
ATE228738T1 (de) 2002-12-15
CN1185834C (zh) 2005-01-19
AU696735B2 (en) 1998-09-17
EP1251665A2 (en) 2002-10-23

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