CA2251946A1 - Digital radio frequency interference canceller - Google Patents

Digital radio frequency interference canceller Download PDF

Info

Publication number
CA2251946A1
CA2251946A1 CA002251946A CA2251946A CA2251946A1 CA 2251946 A1 CA2251946 A1 CA 2251946A1 CA 002251946 A CA002251946 A CA 002251946A CA 2251946 A CA2251946 A CA 2251946A CA 2251946 A1 CA2251946 A1 CA 2251946A1
Authority
CA
Canada
Prior art keywords
frequency
interference
frequency domain
samples
radio
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.)
Abandoned
Application number
CA002251946A
Other languages
English (en)
French (fr)
Inventor
Brian R. Wiese
John A. C. 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
Individual
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 Individual filed Critical Individual
Publication of CA2251946A1 publication Critical patent/CA2251946A1/en
Abandoned 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)
CA002251946A 1996-04-19 1997-04-17 Digital radio frequency interference canceller Abandoned CA2251946A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US1625196P 1996-04-19 1996-04-19
US1625296P 1996-04-19 1996-04-19
US60/016,251 1996-04-19
US60/016,252 1996-04-19
US08/834,503 US6014412A (en) 1996-04-19 1997-04-04 Digital radio frequency interference canceller
US08/834,503 1997-04-04

Publications (1)

Publication Number Publication Date
CA2251946A1 true CA2251946A1 (en) 1997-10-30

Family

ID=27360530

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002251946A Abandoned CA2251946A1 (en) 1996-04-19 1997-04-17 Digital radio frequency interference canceller

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230046269A1 (en) * 2022-09-06 2023-02-16 David E. Newman Guard-Space Phase-Tracking Reference Signal for 5G and 6G Networking

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230046269A1 (en) * 2022-09-06 2023-02-16 David E. Newman Guard-Space Phase-Tracking Reference Signal for 5G and 6G Networking
US11799707B2 (en) * 2022-09-06 2023-10-24 Ultralogic 6G, Llc Guard-space phase-tracking reference signal for 5G and 6G networking

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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
DE69714241T2 (de) 2003-02-20
US6014412A (en) 2000-01-11
EP0894390A1 (en) 1999-02-03
US20010028692A1 (en) 2001-10-11
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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