NO20005140D0 - FremgangsmÕte og apparat for datakommunikasjon - Google Patents

FremgangsmÕte og apparat for datakommunikasjon

Info

Publication number
NO20005140D0
NO20005140D0 NO20005140A NO20005140A NO20005140D0 NO 20005140 D0 NO20005140 D0 NO 20005140D0 NO 20005140 A NO20005140 A NO 20005140A NO 20005140 A NO20005140 A NO 20005140A NO 20005140 D0 NO20005140 D0 NO 20005140D0
Authority
NO
Norway
Prior art keywords
power line
primary modulation
modulation system
replacement
line modems
Prior art date
Application number
NO20005140A
Other languages
English (en)
Other versions
NO20005140L (no
Inventor
Masataka Kato
Wataru Matsumoto
Tsuyoshi Kobayashi
Yasuomi Ando
Yoshiaki Koizumi
Toshiyasu Higuma
Masahiro Inoue
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of NO20005140D0 publication Critical patent/NO20005140D0/no
Publication of NO20005140L publication Critical patent/NO20005140L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0022—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is influenced by the user
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel
    • 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
    • H04L69/24—Negotiation of communication capabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
  • Telephonic Communication Services (AREA)
  • Facsimile Transmission Control (AREA)
  • Facsimiles In General (AREA)
NO20005140A 1999-02-19 2000-10-13 Fremgangsmåte og apparat for datakommunikasjon NO20005140L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04126199A JP3279277B2 (ja) 1999-02-19 1999-02-19 マルチキャリア通信方法およびマルチキャリア通信装置
PCT/JP2000/000967 WO2000049749A1 (en) 1999-02-19 2000-02-21 Communication device and communication method

Publications (2)

Publication Number Publication Date
NO20005140D0 true NO20005140D0 (no) 2000-10-13
NO20005140L NO20005140L (no) 2000-12-15

Family

ID=12603516

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20005140A NO20005140L (no) 1999-02-19 2000-10-13 Fremgangsmåte og apparat for datakommunikasjon

Country Status (8)

Country Link
EP (1) EP1075103A1 (no)
JP (1) JP3279277B2 (no)
KR (1) KR20010042838A (no)
CN (1) CN1302493A (no)
CA (1) CA2329178A1 (no)
IL (1) IL139076A0 (no)
NO (1) NO20005140L (no)
WO (1) WO2000049749A1 (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3285850B2 (ja) * 1999-09-17 2002-05-27 三菱電機株式会社 通信方法および通信装置
JP2001111518A (ja) * 1999-10-04 2001-04-20 Mitsubishi Electric Corp 通信方法および通信装置
JP2001333053A (ja) * 2000-05-19 2001-11-30 Mitsubishi Electric Corp 通信方法および通信装置
KR20020007441A (ko) * 2000-07-13 2002-01-29 이기원 다중 반송파 변조방식을 이용한 전력선 통신 시스템
KR20020035956A (ko) * 2000-11-07 2002-05-16 이기원 전력선 통신용 시분할 이분/시분할 다중접속 방식 이산다중파 시스템의 통신 초기화 방법
ES2188370B1 (es) 2001-05-21 2004-10-16 Diseño De Sistemas En Silicio, S.A. Procedimiento para la sincronizacion en el enlace descendente de multiples usuarios en un sistema de transmision punto a multipunto con modulacion ofdm.
IL161190A0 (en) 2001-10-11 2004-08-31 Serconet Ltd Outlet with analog signal adapter, method for use thereof and a network using said outlet
JP4473504B2 (ja) * 2002-12-19 2010-06-02 パナソニックシステムネットワークス株式会社 電化製品を電灯線通信により制御する管理装置及びその制御方法
JP2005094744A (ja) 2003-08-08 2005-04-07 Toshiba Corp 制御システム
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US7873058B2 (en) 2004-11-08 2011-01-18 Mosaid Technologies Incorporated Outlet with analog signal adapter, a method for use thereof and a network using said outlet
CN100414879C (zh) * 2005-03-24 2008-08-27 哈尔滨工业大学 电动机保护监控装置的设备网通信实现方法
JP4684194B2 (ja) * 2006-09-19 2011-05-18 富士通株式会社 マルチキャリア伝送方式を用いる送信装置及び受信装置
JP5448359B2 (ja) * 2007-05-30 2014-03-19 パナソニック株式会社 電力線通信方法、電力線通信装置、及び電力線通信システム
EP2234437B1 (en) * 2008-01-18 2019-01-09 Huawei Technologies Co., Ltd. Change to transmission mode with less quality in case of good radio conditions
JP2011091791A (ja) * 2009-09-24 2011-05-06 Toyota Central R&D Labs Inc 移動体用電力線通信方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100331437B1 (ko) * 1995-06-30 2002-08-08 삼성전자 주식회사 디.엠.티.시스템에서적응형비트교환방법및장치
US6002722A (en) * 1996-05-09 1999-12-14 Texas Instruments Incorporated Multimode digital modem
JP3066483B2 (ja) * 1997-03-04 2000-07-17 郵政省通信総合研究所長 ディジタル移動無線通信方法

Also Published As

Publication number Publication date
CN1302493A (zh) 2001-07-04
KR20010042838A (ko) 2001-05-25
EP1075103A1 (en) 2001-02-07
JP2000244444A (ja) 2000-09-08
WO2000049749A1 (en) 2000-08-24
IL139076A0 (en) 2001-11-25
CA2329178A1 (en) 2000-08-24
NO20005140L (no) 2000-12-15
JP3279277B2 (ja) 2002-04-30

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application