KR950030535A - Randomization Method Using Convolutional Codes and Its Digital Communication Device - Google Patents

Randomization Method Using Convolutional Codes and Its Digital Communication Device Download PDF

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Publication number
KR950030535A
KR950030535A KR1019940009535A KR19940009535A KR950030535A KR 950030535 A KR950030535 A KR 950030535A KR 1019940009535 A KR1019940009535 A KR 1019940009535A KR 19940009535 A KR19940009535 A KR 19940009535A KR 950030535 A KR950030535 A KR 950030535A
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South Korea
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codeword
digital communication
convolutional
communication device
digital
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KR1019940009535A
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Korean (ko)
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KR0141199B1 (en
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강휘삼
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김광호
삼성전자 주식회사
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Priority to KR1019940009535A priority Critical patent/KR0141199B1/en
Priority to KR2019940032094U priority patent/KR950030629U/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G2011/067—Integrated forms comprising shuttering skin, bracing or strutting arrangements, workplatforms and railings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

본 발명에 의한 랜덤화방법 및 이에 따른 디지탈 통신장치에서는 송신단에 입력되는 디지탈 데이타에 길쌈 부호의 특성을 이용하여 무질서도를 제공함으로써 'ALL ZERO'(0000....)나 'ALL ONE'계열(1111....)로 입력되는 디지탈 데이타에 대해서도 하나의 상태에 머무르는 것을 방지하여 수신단에서 정확한 타이밍 복구가 이루어 지도록 한 잇점이 있다.In the randomization method and digital communication apparatus according to the present invention, 'ALL ZERO' (0000 ....) or 'ALL ONE' series is provided by providing a disorderly chart using characteristics of a convolutional code to digital data inputted to a transmitter. Digital data inputted to (1111 ....) is prevented from staying in one state so that accurate timing recovery at the receiving end can be achieved.

Description

길쌈 부호를 이용한 랜덤화방법 및 이에 따른 디지탈 통신장치Randomization Method Using Convolutional Codes and Its Digital Communication Device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명을 이용한 디지탈 통신장치의 일실시예에 따른 블럭도이다.2 is a block diagram according to an embodiment of a digital communication apparatus using the present invention.

Claims (6)

길쌈 부호화 결과에 따라 디지탈 데이타의 코드워드를 선택적으로 교환함으로써 상기 디지탈 데이타를 랜덤화시키는 것을 특징으로 하는 랜덤화방법.And randomize the digital data by selectively exchanging codewords of the digital data according to the convolutional coding result. 스크램블러, 길삼 부호화기, 인터리이버와 변조기로 구성되는 송신단과, 복조기, 디인터리이버, 길쌈 복호화기와 디스크램블러로 구성되는 수신단을 구비한 디지탈 통신장치에 있어서, 상기 송신단의 길쌈 부호화기와 인터리이버 사이에 위치하며, 상기 길쌈 부호화기에서 출력되는 디지탈 데이타의 코드워드를 소정의 제어신호에 의해 교환하거나 통과시키기 위한 코드워드 교환부; 및 상기 수신단의 디인터리이버와 길쌈 복호화기 사이에 위치하며, 상기 제어신호에 의해 상기 코드워드 교환부의 역과정을 수행하기 위한 코드워드 역교환부를 포함하는 것을 특징으로 하는 디지탈 통신장치.A digital communication device comprising a scrambler, a Gilsam encoder, an interleaver and a modulator, and a receiver comprising a demodulator, a deinterleaver, a convolutional decoder, and a descrambler, the digital communication device comprising: A codeword exchanger located in the codeword exchanger for exchanging or passing a codeword of digital data output from the convolutional encoder by a predetermined control signal; And a codeword reverse exchanger located between the deinterleaver and the convolutional decoder of the receiving end, and performing a reverse process of the codeword exchanger by the control signal. 제2항에 있어서, 상기 코드워드 교환부에서는 상기 길쌈부호화기에 입력되는 디지탈 데이타가 'ALL ZERO'계열일 때 수렴되는 길쌈 부호화, ‘ALL ONE’계열일 때 수렴되는 길쌈 부호 사이에서 코드워드 교환이 이루어지는 것을 특징으로 하는 디지탈 통신장치.The codeword exchange unit of claim 2, wherein the codeword exchange unit performs convolutional coding converged when the digital data input to the convolutional encoder is 'ALL ZERO' and convolutional code converged when the 'ALL ONE'. Digital communication device, characterized in that made. 제2항에 있어서, 상기 코드워드 교환부에서 상기 길쌈 부호화기의 출력데이타의 코드워드 교환여부는 상기 제어신호에 의해 결정되는 것을 특징으로 하는 디지탈 통신장치.The digital communication apparatus according to claim 2, wherein the codeword exchange of the output data of the convolutional encoder in the codeword exchanger is determined by the control signal. 제2항에 있어서, 상기 제어신호를 상기 송신단에서 상기 인터리이버의 동기데이타와 연동시켜서 사용할 경우, 상기 수신단에서 상기 디인터리이버의 동기데이타와 연동시켜서 사용하는 것을 특징으로 하는 디지탈 통신장치.The digital communication apparatus according to claim 2, wherein when the control signal is used in synchronization with the synchronous data of the interleaver at the transmitting end, the digital communication device is used in conjunction with the synchronous data of the deinterleaver at the receiving end. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940009535A 1994-04-30 1994-04-30 Digital communications system using conventional codes KR0141199B1 (en)

Priority Applications (2)

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KR1019940009535A KR0141199B1 (en) 1994-04-30 1994-04-30 Digital communications system using conventional codes
KR2019940032094U KR950030629U (en) 1994-04-30 1994-11-30 Prefab Formwork

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KR1019940009535A KR0141199B1 (en) 1994-04-30 1994-04-30 Digital communications system using conventional codes

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KR950030535A true KR950030535A (en) 1995-11-24
KR0141199B1 KR0141199B1 (en) 1998-07-01

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