KR101267097B1 - 디지털 전송 장치 - Google Patents

디지털 전송 장치 Download PDF

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Publication number
KR101267097B1
KR101267097B1 KR1020070014229A KR20070014229A KR101267097B1 KR 101267097 B1 KR101267097 B1 KR 101267097B1 KR 1020070014229 A KR1020070014229 A KR 1020070014229A KR 20070014229 A KR20070014229 A KR 20070014229A KR 101267097 B1 KR101267097 B1 KR 101267097B1
Authority
KR
South Korea
Prior art keywords
signal
direction adjustment
adjustment mode
transmission
digital transmission
Prior art date
Application number
KR1020070014229A
Other languages
English (en)
Korean (ko)
Other versions
KR20070095188A (ko
Inventor
아츠시 미야시타
히로유키 다케스에
Original Assignee
가부시키가이샤 히다치 고쿠사이 덴키
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 가부시키가이샤 히다치 고쿠사이 덴키 filed Critical 가부시키가이샤 히다치 고쿠사이 덴키
Publication of KR20070095188A publication Critical patent/KR20070095188A/ko
Application granted granted Critical
Publication of KR101267097B1 publication Critical patent/KR101267097B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Radio Relay Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
KR1020070014229A 2006-03-20 2007-02-12 디지털 전송 장치 KR101267097B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2006-00075790 2006-03-20
JP2006075790A JP4724267B2 (ja) 2006-03-20 2006-03-20 デジタル伝送装置

Publications (2)

Publication Number Publication Date
KR20070095188A KR20070095188A (ko) 2007-09-28
KR101267097B1 true KR101267097B1 (ko) 2013-05-23

Family

ID=38595641

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070014229A KR101267097B1 (ko) 2006-03-20 2007-02-12 디지털 전송 장치

Country Status (4)

Country Link
JP (1) JP4724267B2 (xx)
KR (1) KR101267097B1 (xx)
CN (1) CN101043623B (xx)
HK (1) HK1109004A1 (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008252755A (ja) * 2007-03-30 2008-10-16 Hitachi Kokusai Electric Inc デジタル伝送システム
JP5153372B2 (ja) * 2008-02-05 2013-02-27 株式会社日立国際電気 中継伝送装置
CN101702775B (zh) * 2009-08-28 2011-07-06 厦门科安技术开发有限公司 数字微波图像传输系统及传输方法
JP5849997B2 (ja) 2013-06-24 2016-02-03 株式会社デンソー データ通信システム、スレーブ及びマスタ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001111969A (ja) * 1999-10-06 2001-04-20 Nec Corp Ｔｓパケットデータ多重方法及びｔｓパケットデータ多重装置
JP2002094481A (ja) * 2000-09-13 2002-03-29 Hitachi Kokusai Electric Inc ディジタル伝送システム
JP2005136764A (ja) * 2003-10-31 2005-05-26 Hitachi Kokusai Electric Inc 伝送システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06326735A (ja) * 1993-05-12 1994-11-25 N T T Data Tsushin Kk アイパターン信号監視機能付モデム装置及びそれを利用した伝送システム
JP3429652B2 (ja) * 1997-12-01 2003-07-22 沖電気工業株式会社 ディジタル符号化多重化装置
US6788710B1 (en) * 1998-03-19 2004-09-07 Thomson Licensing S.A. Auxiliary data insertion in a transport datastream
JP4159814B2 (ja) * 2002-06-26 2008-10-01 株式会社エヌ・ティ・ティ・データ 双方向型ネットワーク侵入検知システムおよび双方向型侵入検知プログラム
US7983326B2 (en) * 2003-07-16 2011-07-19 Hitachi Kokusai Electric, Inc. Digital transmission system and its transmission status recognition method
JP4414825B2 (ja) * 2003-07-16 2010-02-10 株式会社日立国際電気 デジタル伝送装置及びデジタル伝送状況把握方法
JP4589043B2 (ja) * 2004-07-14 2010-12-01 株式会社日立国際電気 データ伝送装置
JP2007104087A (ja) * 2005-09-30 2007-04-19 Hitachi Kokusai Electric Inc デジタル伝送装置
JP4758795B2 (ja) * 2006-03-17 2011-08-31 株式会社日立国際電気 伝送状態表示方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001111969A (ja) * 1999-10-06 2001-04-20 Nec Corp Ｔｓパケットデータ多重方法及びｔｓパケットデータ多重装置
JP2002094481A (ja) * 2000-09-13 2002-03-29 Hitachi Kokusai Electric Inc ディジタル伝送システム
JP2005136764A (ja) * 2003-10-31 2005-05-26 Hitachi Kokusai Electric Inc 伝送システム

Also Published As

Publication number Publication date
CN101043623A (zh) 2007-09-26
KR20070095188A (ko) 2007-09-28
HK1109004A1 (en) 2008-05-23
JP2007251861A (ja) 2007-09-27
CN101043623B (zh) 2010-06-16
JP4724267B2 (ja) 2011-07-13

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