NZ589200A - Reducing interference between multiple transmitters by dynamically filtering each transmitter's signal - Google Patents

Reducing interference between multiple transmitters by dynamically filtering each transmitter's signal

Info

Publication number
NZ589200A
NZ589200A NZ58920010A NZ58920010A NZ589200A NZ 589200 A NZ589200 A NZ 589200A NZ 58920010 A NZ58920010 A NZ 58920010A NZ 58920010 A NZ58920010 A NZ 58920010A NZ 589200 A NZ589200 A NZ 589200A
Authority
NZ
New Zealand
Prior art keywords
reducing interference
transmitter
signal
multiple transmitters
dynamically filtering
Prior art date
Application number
NZ58920010A
Inventor
Roger Miles Kippenberger
Dr Peter Green
Original Assignee
Airways Corp Of New Zealand 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 Airways Corp Of New Zealand Ltd filed Critical Airways Corp Of New Zealand Ltd
Priority to NZ58920010A priority Critical patent/NZ589200A/en
Priority to AU2011250689A priority patent/AU2011250689B2/en
Publication of NZ589200A publication Critical patent/NZ589200A/en

Links

Landscapes

  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Disclosed is a system (1) for reducing interference at a receiver (7) due to reception of co-channel signal transmissions from n transmitters (5, 6), where n is a number greater than or equal to two. The system (1) includes at least n-1 digital filters, each configured to provide a dynamic variation in group delay. At least n-1 of the transmitters (5, 6) each include at least one of the digital filters as a component in a transmission path associated therewith.
NZ58920010A 2010-11-11 2010-11-11 Reducing interference between multiple transmitters by dynamically filtering each transmitter's signal NZ589200A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ58920010A NZ589200A (en) 2010-11-11 2010-11-11 Reducing interference between multiple transmitters by dynamically filtering each transmitter's signal
AU2011250689A AU2011250689B2 (en) 2010-11-11 2011-11-10 Improvements in and Relating to Co-Channel Signal Transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ58920010A NZ589200A (en) 2010-11-11 2010-11-11 Reducing interference between multiple transmitters by dynamically filtering each transmitter's signal

Publications (1)

Publication Number Publication Date
NZ589200A true NZ589200A (en) 2013-05-31

Family

ID=46634837

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ58920010A NZ589200A (en) 2010-11-11 2010-11-11 Reducing interference between multiple transmitters by dynamically filtering each transmitter's signal

Country Status (2)

Country Link
AU (1) AU2011250689B2 (en)
NZ (1) NZ589200A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5745187A (en) * 1994-02-10 1998-04-28 U.S. Philips Corporation Method and apparatus for combating co-channel NTSC interference for digital TV transmission using a bank of rejection filters
US5648822A (en) * 1995-05-19 1997-07-15 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference using a variable-comb filter for digital TV transmission
GB2368492B (en) * 2000-10-23 2004-02-18 Nat Air Traffic Services Ltd audio communications system with co-channel transmitters

Also Published As

Publication number Publication date
AU2011250689B2 (en) 2013-12-05
AU2011250689A1 (en) 2012-06-14

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Legal Events

Date Code Title Description
S883 Correction of error according to section 88(3) (mistake in register caused on part of patentee or applicant)

Free format text: CORRECTION TO INVENTORS (72)

ERR Error or correction

Free format text: THE TITLE HAS BEEN CORRECTED TO TITLE: IMPROVEMENTS IN AND RELATING TO CO-CHANNEL SIGNAL TRANSMISSION; FILING DATE: 11 NOV 2010; STATUS: PROPOSED; TITLE: IMPROVEMENTS IN AND RELATING TO CO-CHANNEL SIGNAL TRANSMISSION; FILING DATE: 25 SEP 2012; STATUS: REJECTED; TITLE: IMPROVEMENTS IN AND RELATING TO CO-CHANNEL SIGNAL TRANSMISSION; FILING DATE: 08 NOV 2011; STATUS: REJECTED; TITLE: IMPROVEMENTS IN AND RELATING TO CO-CHANNEL SIGNAL TRANSMISSION; FILING DATE: 17 AUG 2012; STATUS: REJECTED; TITLE: COMPLETE SPECIFICATION; FILING DATE: 31 JAN 2013; STATUS: PROPOSED;

Effective date: 20130222

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LAPS Patent lapsed