FR3084227B1 - MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION - Google Patents

MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION Download PDF

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Publication number
FR3084227B1
FR3084227B1 FR1800791A FR1800791A FR3084227B1 FR 3084227 B1 FR3084227 B1 FR 3084227B1 FR 1800791 A FR1800791 A FR 1800791A FR 1800791 A FR1800791 A FR 1800791A FR 3084227 B1 FR3084227 B1 FR 3084227B1
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France
Prior art keywords
sub
carrier modulation
groups
radio modem
microwave radio
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FR1800791A
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French (fr)
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FR3084227A1 (en
Inventor
Mohamed Tlich
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Individual
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Individual
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Priority to FR1800791A priority Critical patent/FR3084227B1/en
Priority to PCT/EP2019/025245 priority patent/WO2020020490A2/en
Priority to TNP/2021/000016A priority patent/TN2021000016A1/en
Publication of FR3084227A1 publication Critical patent/FR3084227A1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators

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  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

Dispositif pour la transmission de données binaires par faisceau hertzien sur une pluralité de canaux de fréquences séparés, comprenant - des moyens de conversion configurés pour générer des symboles complexes à partir des données binaires ; - des moyens de modulation multi-porteuses comportant des fréquences sous-porteuses réparties en une pluralité de groupes, les fréquences sous-porteuses desdits groupes étant réparties sur des canaux de fréquences de largeurs prédéfinies, - des moyens configurés pour former un bloc de symboles complexes intégrant une pluralité de sous-blocs respectivement associés aux groupes des fréquences sous-porteuses, au moins un des sous-blocs intermédiaires comprenant des symboles complexes sensiblement nuls.Device for the transmission of binary data by microwave over a plurality of separate frequency channels, comprising - conversion means configured to generate complex symbols from the binary data; - multi-carrier modulation means comprising sub-carrier frequencies distributed in a plurality of groups, the sub-carrier frequencies of said groups being distributed over frequency channels of predefined widths, - means configured to form a block of complex symbols integrating a plurality of sub-blocks respectively associated with the groups of sub-carrier frequencies, at least one of the intermediate sub-blocks comprising substantially zero complex symbols.

FR1800791A 2018-07-23 2018-07-23 MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION Active FR3084227B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1800791A FR3084227B1 (en) 2018-07-23 2018-07-23 MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION
PCT/EP2019/025245 WO2020020490A2 (en) 2018-07-23 2019-07-23 Multi-channel microwave radio modem based on multi-carrier modulation
TNP/2021/000016A TN2021000016A1 (en) 2018-07-23 2019-07-23 MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1800791A FR3084227B1 (en) 2018-07-23 2018-07-23 MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION

Publications (2)

Publication Number Publication Date
FR3084227A1 FR3084227A1 (en) 2020-01-24
FR3084227B1 true FR3084227B1 (en) 2021-09-10

Family

ID=65685370

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1800791A Active FR3084227B1 (en) 2018-07-23 2018-07-23 MULTI-CHANNEL MICROWAVE RADIO MODEM BASED ON MULTI-CARRIER MODULATION

Country Status (3)

Country Link
FR (1) FR3084227B1 (en)
TN (1) TN2021000016A1 (en)
WO (1) WO2020020490A2 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002346605B2 (en) * 2001-11-29 2008-09-11 Qualcomm, Incorporated Method and apparatus for determining the log-likelihood ratio with precoding
WO2017043004A1 (en) * 2015-09-10 2017-03-16 パナソニックＩｐマネジメント株式会社 Communication apparatus and communication method

Also Published As

Publication number Publication date
WO2020020490A3 (en) 2020-03-19
TN2021000016A1 (en) 2022-10-03
WO2020020490A2 (en) 2020-01-30
FR3084227A1 (en) 2020-01-24

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