FR3103335B1 - A method of processing a signal implemented by a receiving device of a first broadcast site to suppress an interfering signal, receiving device and corresponding computer program. - Google Patents

A method of processing a signal implemented by a receiving device of a first broadcast site to suppress an interfering signal, receiving device and corresponding computer program. Download PDF

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Publication number
FR3103335B1
FR3103335B1 FR1912861A FR1912861A FR3103335B1 FR 3103335 B1 FR3103335 B1 FR 3103335B1 FR 1912861 A FR1912861 A FR 1912861A FR 1912861 A FR1912861 A FR 1912861A FR 3103335 B1 FR3103335 B1 FR 3103335B1
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France
Prior art keywords
signal
receiving device
processing
computer program
site
Prior art date
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Active
Application number
FR1912861A
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French (fr)
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FR3103335A1 (en
Inventor
Olivier Rousset
Cyril Bernier
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.)
Enensys Technologies Fr
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Enensys Teamcast
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Publication date
Application filed by Enensys Teamcast filed Critical Enensys Teamcast
Priority to FR1912861A priority Critical patent/FR3103335B1/en
Priority to PCT/EP2020/080101 priority patent/WO2021099071A1/en
Publication of FR3103335A1 publication Critical patent/FR3103335A1/en
Application granted granted Critical
Publication of FR3103335B1 publication Critical patent/FR3103335B1/en
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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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

TITRE : Procédé de traitement d’un signal mis en œuvre par un dispositif de réception d’un premier site de diffusion pour supprimer un signal interférent, dispositif de réception et programme d’ordinateur correspondants. L’invention concerne un procédé de traitement d’un signal, mis en œuvre par un premier dispositif de réception d’un premier site de diffusion, comprenant : la réception (221) d’un signal combiné comprenant : - un signal interférent, correspondant à un premier signal émis par un premier dispositif d’émission dudit premier site de diffusion, via un transpondeur, et - au moins un signal désiré, correspondant à au moins un deuxième signal émis par un deuxième dispositif d’émission dudit au moins un deuxième site de diffusion, via ledit transpondeur, l’alignement (222) dudit premier signal sur ledit signal combiné, la soustraction (223) dudit premier signal aligné audit signal combiné. Selon l’invention, le procédé comprend une étape préalable de calibration comprenant : - la réception (211) d’un signal de référence émis par ledit deuxième dispositif d’émission, via ledit transpondeur, - la mesure (212) du bruit de phase associé à la transmission dudit signal de référence,ledit alignement (222) dudit premier signal sur ledit signal combiné tenant compte dudit bruit de phase. Figure pour l’abrégé : Figure 2TITLE: Signal processing method implemented by a receiving device of a first broadcast site to remove an interfering signal, corresponding receiving device and computer program. The invention relates to a method for processing a signal, implemented by a first device for receiving a first broadcast site, comprising: the reception (221) of a combined signal comprising: - an interfering signal, corresponding to a first signal transmitted by a first transmission device of said first broadcasting site, via a transponder, and - at least one desired signal, corresponding to at least a second signal transmitted by a second transmission device of said at least a second site of broadcasting, via said transponder, alignment (222) of said first signal on said combined signal, subtraction (223) of said first signal aligned with said combined signal. According to the invention, the method comprises a preliminary calibration step comprising: - the reception (211) of a reference signal transmitted by said second transmission device, via said transponder, - the measurement (212) of the phase noise associated with the transmission of said reference signal, said alignment (222) of said first signal on said combined signal taking into account said phase noise. Figure for the abstract: Figure 2

FR1912861A 2019-11-18 2019-11-18 A method of processing a signal implemented by a receiving device of a first broadcast site to suppress an interfering signal, receiving device and corresponding computer program. Active FR3103335B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1912861A FR3103335B1 (en) 2019-11-18 2019-11-18 A method of processing a signal implemented by a receiving device of a first broadcast site to suppress an interfering signal, receiving device and corresponding computer program.
PCT/EP2020/080101 WO2021099071A1 (en) 2019-11-18 2020-10-27 Method for processing a signal implemented by a receiving device of a first transmitting site with a view to removing an interfering signal, corresponding receiving device and corresponding computer program.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1912861 2019-11-18
FR1912861A FR3103335B1 (en) 2019-11-18 2019-11-18 A method of processing a signal implemented by a receiving device of a first broadcast site to suppress an interfering signal, receiving device and corresponding computer program.

Publications (2)

Publication Number Publication Date
FR3103335A1 FR3103335A1 (en) 2021-05-21
FR3103335B1 true FR3103335B1 (en) 2021-11-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
FR1912861A Active FR3103335B1 (en) 2019-11-18 2019-11-18 A method of processing a signal implemented by a receiving device of a first broadcast site to suppress an interfering signal, receiving device and corresponding computer program.

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Country Link
FR (1) FR3103335B1 (en)
WO (1) WO2021099071A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114629592B (en) * 2022-02-17 2023-05-02 深圳市前海新丝路科技有限公司 Anti-interference optimization method, system and device for communication electronic signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5625640A (en) * 1994-09-16 1997-04-29 Hughes Electronics Apparatus for and method of broadcast satellite network return-link signal transmission
US7502430B2 (en) * 2001-04-27 2009-03-10 The Directv Group, Inc. Coherent averaging for measuring traveling wave tube amplifier nonlinearity
US8542623B2 (en) * 2010-01-13 2013-09-24 Qualcomm Incorporated Use of RF reference in a digital baseband interference cancellation repeater

Also Published As

Publication number Publication date
WO2021099071A1 (en) 2021-05-27
FR3103335A1 (en) 2021-05-21

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