A Novel Mobile Core Network Architecture for Satellite-Terrestrial Integrated Network

Han, Z; Xu, C; Liu, K; Yu, L; Zhao, G; Yu, S

A Novel Mobile Core Network Architecture for Satellite-Terrestrial Integrated Network

Han, Z Xu, C Liu, K Yu, L Zhao, G Yu, S

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Publisher:: IEEE
Publication Type:: Conference Proceeding
Citation:: 2021 IEEE Global Communications Conference, GLOBECOM 2021 - Proceedings, 2022, 00
Issue Date:: 2022-01-01

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Field	Value	Language
dc.contributor.author	Han, Z
dc.contributor.author	Xu, C
dc.contributor.author	Liu, K
dc.contributor.author	Yu, L
dc.contributor.author	Zhao, G
dc.contributor.author	Yu, S https://orcid.org/0000-0003-4485-6743
dc.date	2021-12-07
dc.date.accessioned	2023-04-06T03:44:34Z
dc.date.available	2023-04-06T03:44:34Z
dc.date.issued	2022-01-01
dc.identifier.citation	2021 IEEE Global Communications Conference, GLOBECOM 2021 - Proceedings, 2022, 00
dc.identifier.isbn	9781728181042
dc.identifier.issn	2334-0983
dc.identifier.issn	2576-6813
dc.identifier.uri	http://hdl.handle.net/10453/169306
dc.description.abstract	Loading the functions of base station on satellite can improve the flexibility of user access and expand the effective coverage of Satellite-Terrestrial Integrated Network (STIN). However, the functions of management and control that supports the satellite networking have not been well investigated. A large amount of signaling needs to be forwarded to the ground control center for processing, which increases the delay of network control and management. In this paper, we propose a novel mobile core network architecture that loads the mobility management function of core network on the satellite, which can improve the flexibility of management and control of STIN. Firstly, considering the on-board computing capacity and the dynamic characteristic of satellites, we design the lightweight Satellite Mobile Core Network (SMCN) to improve the flexibility of the Satellite next-generation NodeB (Sat-gNB) networking. Then, the interactive protocol for user access control, mobility control of Sat-gNBs and the coordinated control between ter-restrial network and satellite network are designed to support the mobility management. Finally, in order to optimize the delay of Sat-gNBs networking, we construct the mathematical model for the multi-SMCN deployment. The simulation results show that compared to the architecture of Non-Terrestrial Networks (NTN), the proposed mobile core network architecture can improve the flexibility of mobility management and optimize the network delay.
dc.language	en
dc.publisher	IEEE
dc.relation.ispartof	2021 IEEE Global Communications Conference, GLOBECOM 2021 - Proceedings
dc.relation.ispartof	IEEE Global Communications Conference
dc.relation.ispartofseries	IEEE Global Communications Conference
dc.relation.isbasedon	10.1109/GLOBECOM46510.2021.9685133
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	A Novel Mobile Core Network Architecture for Satellite-Terrestrial Integrated Network
dc.type	Conference Proceeding
utslib.citation.volume	00
utslib.location.activity	Madrid, Spain
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Computer Science
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2023-04-06T03:44:33Z
pubs.finish-date	2021-12-11
pubs.place-of-publication	Piscataway, USA
pubs.publication-status	Published
pubs.start-date	2021-12-07
pubs.volume	00
dc.location	Piscataway, USA

Abstract:

Loading the functions of base station on satellite can improve the flexibility of user access and expand the effective coverage of Satellite-Terrestrial Integrated Network (STIN). However, the functions of management and control that supports the satellite networking have not been well investigated. A large amount of signaling needs to be forwarded to the ground control center for processing, which increases the delay of network control and management. In this paper, we propose a novel mobile core network architecture that loads the mobility management function of core network on the satellite, which can improve the flexibility of management and control of STIN. Firstly, considering the on-board computing capacity and the dynamic characteristic of satellites, we design the lightweight Satellite Mobile Core Network (SMCN) to improve the flexibility of the Satellite next-generation NodeB (Sat-gNB) networking. Then, the interactive protocol for user access control, mobility control of Sat-gNBs and the coordinated control between ter-restrial network and satellite network are designed to support the mobility management. Finally, in order to optimize the delay of Sat-gNBs networking, we construct the mathematical model for the multi-SMCN deployment. The simulation results show that compared to the architecture of Non-Terrestrial Networks (NTN), the proposed mobile core network architecture can improve the flexibility of mobility management and optimize the network delay.

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http://hdl.handle.net/10453/169306