TY - JOUR
T1 - Space-air-ground integrated network (SAGIN) for 6G
T2 - Requirements, architecture and challenges
AU - Cui, Huanxi
AU - Zhang, Jun
AU - Geng, Yuhui
AU - Xiao, Zhenyu
AU - Sun, Tao
AU - Zhang, Ning
AU - Liu, Jiajia
AU - Wu, Qihui
AU - Cao, Xianbin
N1 - Publisher Copyright:
© 2013 China Institute of Communications.
PY - 2022/2/1
Y1 - 2022/2/1
N2 - As the fifth-generation (5G) mobile communication network may not meet the requirements of emerging technologies and applications, including ubiquitous coverage, industrial internet of things (IIoT), ubiquitous artificial intelligence (AI), digital twins (DT), etc., this paper aims to explore a novel space-air-ground integrated network (SAGIN) architecture to support these new requirements for the sixth-generation (6G) mobile communication network in a flexible, low-latency and efficient manner. Specifically, we first review the evolution of the mobile communication network, followed by the application and technology requirements of 6G. Then the current 5G non-terrestrial network (NTN) architecture in supporting the new requirements is deeply analyzed. After that, we proposes a new flexible, low-latency and flat SAGIN architecture, and presents corresponding use cases. Finally, the future research directions are discussed.
AB - As the fifth-generation (5G) mobile communication network may not meet the requirements of emerging technologies and applications, including ubiquitous coverage, industrial internet of things (IIoT), ubiquitous artificial intelligence (AI), digital twins (DT), etc., this paper aims to explore a novel space-air-ground integrated network (SAGIN) architecture to support these new requirements for the sixth-generation (6G) mobile communication network in a flexible, low-latency and efficient manner. Specifically, we first review the evolution of the mobile communication network, followed by the application and technology requirements of 6G. Then the current 5G non-terrestrial network (NTN) architecture in supporting the new requirements is deeply analyzed. After that, we proposes a new flexible, low-latency and flat SAGIN architecture, and presents corresponding use cases. Finally, the future research directions are discussed.
KW - 6G
KW - AI
KW - DT
KW - NTN
KW - Network architecture
KW - SAGIN
UR - http://www.scopus.com/inward/record.url?scp=85126289045&partnerID=8YFLogxK
U2 - 10.23919/JCC.2022.02.008
DO - 10.23919/JCC.2022.02.008
M3 - Article
AN - SCOPUS:85126289045
SN - 1673-5447
VL - 19
SP - 90
EP - 108
JO - China Communications
JF - China Communications
IS - 2
ER -
