CN1833421B - 具有根据传输路径波动而适应性传输的多载波通信装置 - Google Patents

具有根据传输路径波动而适应性传输的多载波通信装置 Download PDF

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Publication number
CN1833421B
CN1833421B CN200480022652XA CN200480022652A CN1833421B CN 1833421 B CN1833421 B CN 1833421B CN 200480022652X A CN200480022652X A CN 200480022652XA CN 200480022652 A CN200480022652 A CN 200480022652A CN 1833421 B CN1833421 B CN 1833421B
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China
Prior art keywords
transmission path
path estimation
signal
transmission
subcarrier
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Expired - Lifetime
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CN200480022652XA
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Chinese (zh)
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CN1833421A (zh
Inventor
古贺久雄
児玉宣贵
小西泰辅
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/023—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0004—Modulated-carrier systems using wavelets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H04L5/0046—Determination of the number of bits transmitted on different sub-channels
    • 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
    • H04B2203/5491—Systems for power line communications using filtering and bypassing
    • 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
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency response

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CN200480022652XA 2003-08-07 2004-08-06 具有根据传输路径波动而适应性传输的多载波通信装置 Expired - Lifetime CN1833421B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP288747/2003 2003-08-07
JP2003288747A JP4356392B2 (ja) 2003-08-07 2003-08-07 通信装置
PCT/JP2004/011649 WO2005015865A1 (en) 2003-08-07 2004-08-06 Multi-carrier communication apparatus with adaptive transmission according to transmission path fluctuations

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN200910177316.7A Division CN101714968B (zh) 2003-08-07 2004-08-06 用于经由电力线进行具有多个子载波的多载波信号通信的通信装置
CN201110034315.4A Division CN102118347B (zh) 2003-08-07 2004-08-06 通信装置及估计电力线传输路径状态的方法

Publications (2)

Publication Number Publication Date
CN1833421A CN1833421A (zh) 2006-09-13
CN1833421B true CN1833421B (zh) 2012-07-04

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CN200480022652XA Expired - Lifetime CN1833421B (zh) 2003-08-07 2004-08-06 具有根据传输路径波动而适应性传输的多载波通信装置
CN201110034315.4A Expired - Lifetime CN102118347B (zh) 2003-08-07 2004-08-06 通信装置及估计电力线传输路径状态的方法
CN200910177316.7A Expired - Lifetime CN101714968B (zh) 2003-08-07 2004-08-06 用于经由电力线进行具有多个子载波的多载波信号通信的通信装置

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CN201110034315.4A Expired - Lifetime CN102118347B (zh) 2003-08-07 2004-08-06 通信装置及估计电力线传输路径状态的方法
CN200910177316.7A Expired - Lifetime CN101714968B (zh) 2003-08-07 2004-08-06 用于经由电力线进行具有多个子载波的多载波信号通信的通信装置

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US (3) US7302240B2 (https=)
EP (2) EP2293508B1 (https=)
JP (1) JP4356392B2 (https=)
CN (3) CN1833421B (https=)
ES (2) ES2541682T3 (https=)
WO (1) WO2005015865A1 (https=)

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US7302240B2 (en) 2007-11-27
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