Title:
SYSTEMS AND METHODS FOR ESTABLISHING SHARED N3 TUNNEL
Document Type and Number:
WIPO Patent Application WO/2023/015519
Kind Code:
A1
Abstract:
Embodiments of a system, device and method for establishing a shared N3 tunnel are disclosed. In some aspects, a wireless communication method includes establishing, by a first one of a plurality of wireless communication nodes, a tunnel based on at least one of: (i) whether a context of a Multicast and Broadcast Services (MBS) session is received, or (ii) one or more acknowledgement (ACK) messages corresponding to the context and the tunnel are received, the tunnel being shared by the plurality of wireless communication nodes for accessing a core network. In some embodiments, the plurality of wireless communication nodes share a same Centralized Unit-User Plane (CU-UP).
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Inventors:
LIU YANSHENG (CN)
MA ZIJIANG (CN)
LI DAPENG (CN)
MA ZIJIANG (CN)
LI DAPENG (CN)
Application Number:
PCT/CN2021/112237
Publication Date:
February 16, 2023
Filing Date:
August 12, 2021
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H04W76/12
Domestic Patent References:
| WO2021098123A1 | 2021-05-27 | |||
| WO2020175658A1 | 2020-09-03 |
Foreign References:
| CN112866929A | 2021-05-28 | |||
| US20210144590A1 | 2021-05-13 |
Other References:
ZTE: "Discussion on MBS establishment and mobility in case of common gNB-CU-UP deployment", 3GPP DRAFT; R3-213790, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Online; 20210816 - 20210826, 5 August 2021 (2021-08-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP052032828
NOKIA, NOKIA SHANGHAI BELL: "KI #1, new Solution Integrated Multicast and Unicast Transport with multicast distribution tree established by RAN nodes", 3GPP DRAFT; S2-2004279, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Electronic meeting; 20200601 - 20200612, 22 May 2020 (2020-05-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051890280
ERICSSON: "Session Management for NR MBS", 3GPP DRAFT; R3-206385, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Online; 20201102 - 20201112, 23 October 2020 (2020-10-23), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051945837
NOKIA, NOKIA SHANGHAI BELL: "KI #1, new Solution Integrated Multicast and Unicast Transport with multicast distribution tree established by RAN nodes", 3GPP DRAFT; S2-2004279, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Electronic meeting; 20200601 - 20200612, 22 May 2020 (2020-05-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051890280
ERICSSON: "Session Management for NR MBS", 3GPP DRAFT; R3-206385, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Online; 20201102 - 20201112, 23 October 2020 (2020-10-23), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051945837
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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