SaT5G_White_Paper_Architecture_2019(通信架构白皮书).pdf

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Satellite and Terrestrial Network for 5G

Architecture Whitepaper June 2019

SaT5G (761413) SaT5G Architecture Whitepaper June 2019 Table of Contents Introduction3 1 Satellite as a key enabler for 5G requirements 4 1.1 Satellite system fundamentals 4 1.1.1 General satellite system architecture 4 1.1.2 Satellite orbits 4 1.1.3 Satellite Coverage 4 1.1.4 Satellite Capacity5 1.1.5 Satellites are good at multicast 5 1.2 New trends in satellite communications 5 1.3 SaT5G use cases and scenarios 7 2 Satellite positioning in 5G system architecture 9 2.1 Satellite connectivity in the 5G system architecture 9 2.2 Direct UE access 10 2.3 Indirect UE access of backhaul 10 3 Backhaul implementation options and related challenges11 3.1 Transport Network based implementation options 11 3.2 Relay Node base

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