DATA TRANSMISSION METHOD AND DEVICE

Title:

DATA TRANSMISSION METHOD AND DEVICE

Document Type and Number:

WIPO Patent Application WO/2019/042059

Kind Code:

A1

Abstract:

Embodiments of the present application provide a data transmission method and device. The method comprises: a multicast service management network element receiving a request message from a control plane network element, wherein the request message carries information of a first local area network; the multicast service management network element allocating a first multicast transmission path corresponding to the first local area network, wherein the first multicast transmission path is for transmitting multicast data of the first local area network; the multicast service management network element sending information of the first multicast transmission path to the control plane network element; the multicast service management network element receiving the first multicast data from a user plane network element, and determining that the first multicast data is multicast data of the first local area network; and the multicast service management network element broadcasting the first multicast data to an access network device of the first local area network through the first multicast transmission path, and broadcasting the first multicast data to a terminal device in the first local area network through the access network device. With the embodiments of the present application, advantages of reduced air-interface signaling overhead of multicast data transmission of a local area network and an enhanced air-interface resource utilization rate can be specifically achieved.

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Inventors:

LI DONG (CN)
WANG YAN (CN)

Application Number:

PCT/CN2018/097734

Publication Date:

March 07, 2019

Filing Date:

July 30, 2018

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Assignee:

HUAWEI TECH CO LTD (CN)

International Classes:

H04W4/06

Foreign References:

CN102378113A	2012-03-14
CN1816011A	2006-08-09
CN1866919A	2006-11-22

Other References:

LG ELECTRONICS INC: "Discussion on how to Support Dynamic Scheduling for Multicast/ Broadcast Transmissions", 3GPP TSG-RAN WG3 MEETING #92, R3-161093, 27 May 2016 (2016-05-27), XP051094674

Attorney, Agent or Firm:

SCIHEAD IP LAW FIRM (CN)

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