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GB2262204B - A digital/analog interference cancellation system including an automatic sensitivity threshold - Google Patents

A digital/analog interference cancellation system including an automatic sensitivity threshold

Info

Publication number
GB2262204B
GB2262204B GB9125802A GB9125802A GB2262204B GB 2262204 B GB2262204 B GB 2262204B GB 9125802 A GB9125802 A GB 9125802A GB 9125802 A GB9125802 A GB 9125802A GB 2262204 B GB2262204 B GB 2262204B
Authority
GB
United Kingdom
Prior art keywords
digital
system including
interference cancellation
cancellation system
sensitivity threshold
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
GB9125802A
Other versions
GB9125802D0 (en
GB2262204A (en
Inventor
Ian Michael Saunders
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB9125802A priority Critical patent/GB2262204B/en
Publication of GB9125802D0 publication Critical patent/GB9125802D0/en
Publication of GB2262204A publication Critical patent/GB2262204A/en
Application granted granted Critical
Publication of GB2262204B publication Critical patent/GB2262204B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
GB9125802A 1991-12-04 1991-12-04 A digital/analog interference cancellation system including an automatic sensitivity threshold Expired - Lifetime GB2262204B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9125802A GB2262204B (en) 1991-12-04 1991-12-04 A digital/analog interference cancellation system including an automatic sensitivity threshold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9125802A GB2262204B (en) 1991-12-04 1991-12-04 A digital/analog interference cancellation system including an automatic sensitivity threshold

Publications (3)

Publication Number Publication Date
GB9125802D0 GB9125802D0 (en) 1992-02-05
GB2262204A GB2262204A (en) 1993-06-09
GB2262204B true GB2262204B (en) 1995-08-02

Family

ID=10705698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9125802A Expired - Lifetime GB2262204B (en) 1991-12-04 1991-12-04 A digital/analog interference cancellation system including an automatic sensitivity threshold

Country Status (1)

Country Link
GB (1) GB2262204B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2788642B1 (en) * 1999-01-19 2001-03-23 Thematiques Des Idees Set Id S HIGH PRECISION RECEPTION SYSTEM BY PERMANENT CORRECTION OF RECEIVER CHARACTERISTICS

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367472A (en) * 1979-09-28 1983-01-04 Siemens Aktiengesellschaft Circuit arrangement for side lobe suppression in radar apparatuses
WO1987007102A1 (en) * 1985-05-13 1987-11-19 Plessey Overseas Limited Improvements in or relating to a transceiver interference cancellation system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367472A (en) * 1979-09-28 1983-01-04 Siemens Aktiengesellschaft Circuit arrangement for side lobe suppression in radar apparatuses
WO1987007102A1 (en) * 1985-05-13 1987-11-19 Plessey Overseas Limited Improvements in or relating to a transceiver interference cancellation system

Also Published As

Publication number Publication date
GB9125802D0 (en) 1992-02-05
GB2262204A (en) 1993-06-09

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20111203