GB2262411B - Automatic loop phasing of a digital/analog interference cancellation system - Google Patents

Automatic loop phasing of a digital/analog interference cancellation system

Info

Publication number
GB2262411B
GB2262411B GB9125803A GB9125803A GB2262411B GB 2262411 B GB2262411 B GB 2262411B GB 9125803 A GB9125803 A GB 9125803A GB 9125803 A GB9125803 A GB 9125803A GB 2262411 B GB2262411 B GB 2262411B
Authority
GB
United Kingdom
Prior art keywords
digital
interference cancellation
cancellation system
automatic loop
analog 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
GB9125803A
Other versions
GB2262411A (en
GB9125803D0 (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 GB9125803A priority Critical patent/GB2262411B/en
Publication of GB9125803D0 publication Critical patent/GB9125803D0/en
Publication of GB2262411A publication Critical patent/GB2262411A/en
Application granted granted Critical
Publication of GB2262411B publication Critical patent/GB2262411B/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)
GB9125803A 1991-12-04 1991-12-04 Automatic loop phasing of a digital/analog interference cancellation system Expired - Lifetime GB2262411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9125803A GB2262411B (en) 1991-12-04 1991-12-04 Automatic loop phasing of a digital/analog interference cancellation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9125803A GB2262411B (en) 1991-12-04 1991-12-04 Automatic loop phasing of a digital/analog interference cancellation system

Publications (3)

Publication Number Publication Date
GB9125803D0 GB9125803D0 (en) 1992-02-05
GB2262411A GB2262411A (en) 1993-06-16
GB2262411B true GB2262411B (en) 1995-08-02

Family

ID=10705700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9125803A Expired - Lifetime GB2262411B (en) 1991-12-04 1991-12-04 Automatic loop phasing of a digital/analog interference cancellation system

Country Status (1)

Country Link
GB (1) GB2262411B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9423027D0 (en) * 1994-11-15 1995-01-04 Univ Bristol Full-duplex radio transmitter/receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212686A (en) * 1987-11-16 1989-07-26 Plessey Co Plc Phase adjustment circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2212686A (en) * 1987-11-16 1989-07-26 Plessey Co Plc Phase adjustment circuit

Also Published As

Publication number Publication date
GB2262411A (en) 1993-06-16
GB9125803D0 (en) 1992-02-05

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Legal Events

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

Expiry date: 20111203