CA2419411A1 - Adaptive cancellation of fixed interferers - Google Patents

Adaptive cancellation of fixed interferers Download PDF

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Publication number
CA2419411A1
CA2419411A1 CA002419411A CA2419411A CA2419411A1 CA 2419411 A1 CA2419411 A1 CA 2419411A1 CA 002419411 A CA002419411 A CA 002419411A CA 2419411 A CA2419411 A CA 2419411A CA 2419411 A1 CA2419411 A1 CA 2419411A1
Authority
CA
Canada
Prior art keywords
interference
adaptive
canceler
substantially free
signals
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.)
Granted
Application number
CA002419411A
Other languages
French (fr)
Other versions
CA2419411C (en
Inventor
David K. Mesecher
Fatih M. Ozluturk
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.)
InterDigital Technology Corp
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
Priority claimed from US09/038,922 external-priority patent/US6289004B1/en
Application filed by Individual filed Critical Individual
Publication of CA2419411A1 publication Critical patent/CA2419411A1/en
Application granted granted Critical
Publication of CA2419411C publication Critical patent/CA2419411C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

An improved base station which cancels the effects of known fixed interference sources produces a signal substantially free from the interference sources thereby increasing total channel capacity. The adaptive interference canceler system includes a main antenna for receiving signals from other communication stations and at least one directional antenna directed toward an interference source. The main and directional antennas are coupled to the adaptive canceler, which weights signals received by the directional antennas and sums the weighted signals to produce a cancellation signal. The adaptive canceler subtracts the cancellation signal from the signals received by the main antenna to provide an output signal substantially free from the interference generated by the one or more known interference sources.
CA002419411A 1998-03-12 1999-01-07 Adaptive cancellation of fixed interferers Expired - Fee Related CA2419411C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/038,922 US6289004B1 (en) 1998-03-12 1998-03-12 Adaptive cancellation of fixed interferers
US09/038,922 1998-03-12
CA002322941A CA2322941C (en) 1998-03-12 1999-01-07 Adaptive cancellation of fixed interferers

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002322941A Division CA2322941C (en) 1998-03-12 1999-01-07 Adaptive cancellation of fixed interferers

Publications (2)

Publication Number Publication Date
CA2419411A1 true CA2419411A1 (en) 1999-09-16
CA2419411C CA2419411C (en) 2006-01-03

Family

ID=25682149

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002419411A Expired - Fee Related CA2419411C (en) 1998-03-12 1999-01-07 Adaptive cancellation of fixed interferers

Country Status (1)

Country Link
CA (1) CA2419411C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120183A1 (en) * 2019-12-20 2021-06-24 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for multi-antenna communication

Also Published As

Publication number Publication date
CA2419411C (en) 2006-01-03

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Effective date: 20160107