DE69714241T2 - Schaltung zur digitalen hf-interferenzunterdrückung - Google Patents

Schaltung zur digitalen hf-interferenzunterdrückung

Info

Publication number
DE69714241T2
DE69714241T2 DE69714241T DE69714241T DE69714241T2 DE 69714241 T2 DE69714241 T2 DE 69714241T2 DE 69714241 T DE69714241 T DE 69714241T DE 69714241 T DE69714241 T DE 69714241T DE 69714241 T2 DE69714241 T2 DE 69714241T2
Authority
DE
Germany
Prior art keywords
samples
interference
frequency
modulation symbol
carrier
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69714241T
Other languages
German (de)
English (en)
Other versions
DE69714241D1 (de
Inventor
A. Bingham
R. Wiese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Amati Communications 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 Amati Communications Corp filed Critical Amati Communications Corp
Application granted granted Critical
Publication of DE69714241D1 publication Critical patent/DE69714241D1/de
Publication of DE69714241T2 publication Critical patent/DE69714241T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
    • 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
    • H04L27/2602—Signal structure
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1063—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal using a notch filter
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69714241T 1996-04-19 1997-04-17 Schaltung zur digitalen hf-interferenzunterdrückung Expired - Lifetime DE69714241T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1625196P 1996-04-19 1996-04-19
US1625296P 1996-04-19 1996-04-19
US08/834,503 US6014412A (en) 1996-04-19 1997-04-04 Digital radio frequency interference canceller
PCT/US1997/006384 WO1997040608A1 (en) 1996-04-19 1997-04-17 Digital radio frequency interference canceller

Publications (2)

Publication Number Publication Date
DE69714241D1 DE69714241D1 (de) 2002-08-29
DE69714241T2 true DE69714241T2 (de) 2003-02-20

Family

ID=27360530

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714241T Expired - Lifetime DE69714241T2 (de) 1996-04-19 1997-04-17 Schaltung zur digitalen hf-interferenzunterdrückung

Country Status (8)

Country Link
US (4) US6014412A (enExample)
EP (1) EP0894390B1 (enExample)
JP (2) JP2001527704A (enExample)
CN (1) CN1229553A (enExample)
AU (1) AU727491B2 (enExample)
CA (1) CA2251946A1 (enExample)
DE (1) DE69714241T2 (enExample)
WO (1) WO1997040608A1 (enExample)

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DE102004047717A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
DE102004047718A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von Rfl-Störungen

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DE102004047717A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
DE102004047718A1 (de) * 2004-09-30 2006-04-13 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von Rfl-Störungen
DE102004047717B4 (de) * 2004-09-30 2008-07-10 Infineon Technologies Ag Verfahren und Schaltungsanordung zur Reduzierung von RFI-Störungen
DE102004047718B4 (de) * 2004-09-30 2009-01-02 Infineon Technologies Ag Verfahren und Empfängerschaltung zur Reduzierung von RFI-Störungen
US7813450B2 (en) 2004-09-30 2010-10-12 Infineon Technologies Ag Method and circuit arrangement for reducing RFI interface
US8085887B2 (en) * 2004-09-30 2011-12-27 Infineon Technologies Ag Method and receiver circuit for reducing RFI interference

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US6404830B2 (en) 2002-06-11
AU727491B2 (en) 2000-12-14
WO1997040608A1 (en) 1997-10-30
EP0894390B1 (en) 2002-07-24
JP2001527704A (ja) 2001-12-25
US6449324B2 (en) 2002-09-10
US6014412A (en) 2000-01-11
EP0894390A1 (en) 1999-02-03
US20010028692A1 (en) 2001-10-11
CA2251946A1 (en) 1997-10-30
CN1229553A (zh) 1999-09-22
DE69714241D1 (de) 2002-08-29
US20010026602A1 (en) 2001-10-04
AU3054797A (en) 1997-11-12
US6456673B1 (en) 2002-09-24
JP2007195218A (ja) 2007-08-02

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