Title:
METHOD AND APPARATUS FOR TRANSMITTING ASSISTANT INFORMATION FOR A QUICK SWITCH BETWEEN BROADCAST AND UNICAST TRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/149986
Kind Code:
A1
Abstract:
A method and apparatus for transmitting assistant information for a quick switch between broadcast and unicast transmission in a wireless communication system is provided. A wireless device receives, from a network, a service via unicast. A wireless device detects reception of the service via multicast and/or broadcast while receiving the service via unicast. A wireless device informs the network of the reception of the service via the multicast and/or the broadcast.
Inventors:
KIM SANGWON (KR)
JUNG SUNGHOON (KR)
BYUN DAEWOOK (KR)
JUNG SUNGHOON (KR)
BYUN DAEWOOK (KR)
Application Number:
PCT/KR2021/000675
Publication Date:
July 29, 2021
Filing Date:
January 18, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W4/06; H04W4/20; H04W72/00
Foreign References:
| US20140355493A1 | 2014-12-04 | |||
| KR20150037907A | 2015-04-08 |
Other References:
LG ELECTRONICS: "New MBS architecture and procedures", 3GPP DRAFT; S2-2000350, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Incheon, Korea; 20200113 - 20200117, 7 January 2020 (2020-01-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051842423
HUAWEI, HISILICON: "Solution to KI1: Establishment of MBS session for multicast", 3GPP DRAFT; S2-1911645, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Reno, NV, USA; 20191118 - 20191122, 8 November 2019 (2019-11-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051821724
SAMSUNG: "Solution for unicast-multicast delivery mode switch", 3GPP DRAFT; S2-2000891, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Incheon, South Korea; 20200113 - 20200117, 7 January 2020 (2020-01-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051842945
3GPP TS 3GPP TS 36.331
3GPP TS 36.304
3GPP TS 38.300
3GPP TS 38.211
See also references of EP 4094457A4
HUAWEI, HISILICON: "Solution to KI1: Establishment of MBS session for multicast", 3GPP DRAFT; S2-1911645, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Reno, NV, USA; 20191118 - 20191122, 8 November 2019 (2019-11-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051821724
SAMSUNG: "Solution for unicast-multicast delivery mode switch", 3GPP DRAFT; S2-2000891, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Incheon, South Korea; 20200113 - 20200117, 7 January 2020 (2020-01-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051842945
3GPP TS 3GPP TS 36.331
3GPP TS 36.304
3GPP TS 38.300
3GPP TS 38.211
See also references of EP 4094457A4
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
Download PDF: