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1. WO2020112517 - SYSTEM AND METHOD OF SATELLITE COMMUNICATION

Publication Number WO/2020/112517
Publication Date 04.06.2020
International Application No. PCT/US2019/062723
International Filing Date 22.11.2019
IPC
H04B 7/185 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations
H04B 7/204 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
204Multiple access
H04B 10/118 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
118specially adapted for satellite communication
CPC
H04B 10/118
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
118specially adapted for satellite communication
H04B 10/516
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
516Details of coding or modulation
H04B 7/185
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations; ; Stations for satellite systems
H04B 7/18515
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations; ; Stations for satellite systems
1851Systems using a satellite or space-based relay
18515Transmission equipment in satellites or space-based relays
H04B 7/18517
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
185Space-based or airborne stations; ; Stations for satellite systems
1851Systems using a satellite or space-based relay
18517Transmission equipment in earth stations
H04B 7/2041
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
7Radio transmission systems, i.e. using radiation field
14Relay systems
15Active relay systems
204Multiple access
2041Spot beam multiple access
Applicants
  • FACEBOOK, INC. [US]/[US]
Inventors
  • MORO, Slaven
Agents
  • MOON, William, A.
  • THOMAS, Daniel, A.
Priority Data
16/201,98827.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD OF SATELLITE COMMUNICATION
(FR) SYSTÈME ET PROCÉDÉ DE COMMUNICATION SATELLITE
Abstract
(EN)
In particular embodiments, a system may include a spacecraft and optical ground terminals. The spacecraft includes at least an optical space terminal and a space switch unit. The space switch unit is configured to receive physical layer data frames from one optical space terminal, regenerate data-link layer data packets based on the physical layer data frames and route the regenerated data-link layer data packets to another optical space terminal. The optical ground terminals are configured to receive data-link layer data packets by one of the optical ground terminals, encode the received data-link layer data packets into physical layer data frames, transmit encoded physical layer data frames from one of the optical ground terminals to a respective optical space terminal through multiple forward channels at a data rate of 1 Tbps or above, the encoded physical layer data frames are decoded by the respective optical space terminal.
(FR)
Dans des modes de réalisation particuliers, un système peut comprendre un engin spatial et des terminaux optiques au sol. L'engin spatial comprend au moins un terminal optique d'espace et une unité de commutation d'espace. L'unité de commutation d'espace est configurée pour recevoir des trames de données de couche physique depuis un terminal optique d'espace, régénérer des paquets de données de couche de liaison de données sur la base des trames de données de couche physique et acheminer les paquets de données de couche de liaison de données régénérés vers un autre terminal d'espace optique. Les terminaux optiques au sol sont configurés pour recevoir des paquets de données de couche de liaison de données par l'un des terminaux optiques au sol, coder les paquets de données de couche de liaison de données reçus en trames de données de couche physique, transmettre des trames de données de couche physique codées depuis l'un des terminaux optiques au sol à un terminal optique d'espace respectif par l'intermédiaire de multiples canaux aller à un débit de données supérieur ou égal à 1 Tbps, les trames de données de couche physique codées étant décodées par le terminal optique d'espace respectif.
Also published as
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