DE69714241D1 - Schaltung zur digitalen hf-interferenzunterdrückung - Google Patents

Schaltung zur digitalen hf-interferenzunterdrückung

Info

Publication number
DE69714241D1
DE69714241D1 DE69714241T DE69714241T DE69714241D1 DE 69714241 D1 DE69714241 D1 DE 69714241D1 DE 69714241 T DE69714241 T DE 69714241T DE 69714241 T DE69714241 T DE 69714241T DE 69714241 D1 DE69714241 D1 DE 69714241D1
Authority
DE
Germany
Prior art keywords
digital
circuit
interference suppression
suppression
interference
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
English (en)
Other versions
DE69714241T2 (de
Inventor
R Wiese
A Bingham
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—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (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 true DE69714241D1 (de) 2002-08-29
DE69714241T2 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 (de)
EP (1) EP0894390B1 (de)
JP (2) JP2001527704A (de)
CN (1) CN1229553A (de)
AU (1) AU727491B2 (de)
CA (1) CA2251946A1 (de)
DE (1) DE69714241T2 (de)
WO (1) WO1997040608A1 (de)

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US20010026602A1 (en) 2001-10-04
US6456673B1 (en) 2002-09-24
US6014412A (en) 2000-01-11
JP2001527704A (ja) 2001-12-25
EP0894390B1 (de) 2002-07-24
CA2251946A1 (en) 1997-10-30
WO1997040608A1 (en) 1997-10-30
AU727491B2 (en) 2000-12-14
JP2007195218A (ja) 2007-08-02
AU3054797A (en) 1997-11-12
DE69714241T2 (de) 2003-02-20
US6404830B2 (en) 2002-06-11
US20010028692A1 (en) 2001-10-11
CN1229553A (zh) 1999-09-22
EP0894390A1 (de) 1999-02-03
US6449324B2 (en) 2002-09-10

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