CA2883278C - Methodes et systemes d'amelioration de l'utilisation du spectre destines aux communications par satellite - Google Patents

Methodes et systemes d'amelioration de l'utilisation du spectre destines aux communications par satellite Download PDF

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Publication number
CA2883278C
CA2883278C CA2883278A CA2883278A CA2883278C CA 2883278 C CA2883278 C CA 2883278C CA 2883278 A CA2883278 A CA 2883278A CA 2883278 A CA2883278 A CA 2883278A CA 2883278 C CA2883278 C CA 2883278C
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band
channels
spectrum
channel
analog
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CA2883278A1 (fr
Inventor
Roger Shun Hong TONG
Fred Chun Yin VONG
Hai Hu
Harry Yin Chung LEUNG
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Asia Satellite Telecommunications Co Ltd
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Priority to CA2883278A priority Critical patent/CA2883278C/fr
Publication of CA2883278A1 publication Critical patent/CA2883278A1/fr
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    • 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
    • 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
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18515—Transmission equipment in satellites or space-based relays

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)

Abstract

Il est décrit des méthodes et des données utiles de télécommunication par satellite. Une inégalité de la disponibilité de la liaison montante et de la liaison descendante peut être atténuée par la numérisation du spectre de liaison montante, lextraction des voies de transmission de la bande de garde et le regroupement des voies de transmission de la bande de garde en vue de créer une voie de transmission composite. La voie de transmission composite est convertie de manière à la rendre analogique et la radiofréquence est montée, amplifiée et multiplexée avec dautres voies de transmission analogiques en liaison descendante avant dêtre émise vers la Terre. Les bandes de garde peuvent provenir de la même bande spectrale ou de bandes spectrales différentes, comme la bande C, la bande Ka, la bande Ku, etc. Il est décrit des données utiles de télécommunication par satellite qui comprennent deux multiplexeurs de sortie ayant des voies de transmission chevauchées et une configuration a deux signaux. Selon une mise en uvre en liaison descendante, le spectre de base inusité peut être attribué de façon dynamique à un faisceau ponctuel. Selon une mise en uvre en liaison montante, un faisceau ponctuel peut partager la bande spectrale régionale grâce à la séparation spatiale de lemplacement de la liaison montante régionale et de la zone de couverture du faisceau ponctuel et à des techniques dannulation numérique.
CA2883278A 2015-02-27 2015-02-27 Methodes et systemes d'amelioration de l'utilisation du spectre destines aux communications par satellite Active CA2883278C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2883278A CA2883278C (fr) 2015-02-27 2015-02-27 Methodes et systemes d'amelioration de l'utilisation du spectre destines aux communications par satellite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2883278A CA2883278C (fr) 2015-02-27 2015-02-27 Methodes et systemes d'amelioration de l'utilisation du spectre destines aux communications par satellite

Publications (2)

Publication Number Publication Date
CA2883278A1 CA2883278A1 (fr) 2016-08-27
CA2883278C true CA2883278C (fr) 2022-03-08

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ID=56741263

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CA2883278A Active CA2883278C (fr) 2015-02-27 2015-02-27 Methodes et systemes d'amelioration de l'utilisation du spectre destines aux communications par satellite

Country Status (1)

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CA (1) CA2883278C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3396870B1 (fr) * 2017-04-28 2023-11-01 Airbus Defence and Space GmbH Émetteur de liaison descendante bi-fréquence
CN112564763B (zh) * 2020-11-23 2022-11-01 中国人民解放军国防科技大学 通用数字化卫星载荷硬件平台

Also Published As

Publication number Publication date
CA2883278A1 (fr) 2016-08-27

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