Downlink data stream transmission method, device and terminal

A data flow and terminal technology, applied in the field of communication, can solve problems such as unreasonable allocation of bandwidth resources and users' inability to obtain better services, and achieve the effect of high-quality services

Active Publication Date: 2021-11-05
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the present invention provides a downlink data stream transmission method, device and terminal to solve the problem in the prior art that users cannot obtain better services due to unreasonable allocation of bandwidth resources

Method used

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  • Downlink data stream transmission method, device and terminal
  • Downlink data stream transmission method, device and terminal
  • Downlink data stream transmission method, device and terminal

Examples

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Embodiment Construction

[0053] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0054] As used in the present invention, the term "and / or" includes any and all combinations of one or more related listed items.

[0055]The terms used in the present invention are for describing specific embodiments only, and are not intended to limit the present invention. As used herein, the singular forms "a" and "the" are intended to include the plural unless the context clearly dictates otherwise.

[0056] When the terms "comprising" and / or "consisting of" are used in the present invention, it specifies the presence of features, integers, steps, operations, elements and / or components, but does not preclude the presence or addition of one or more other fe...

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Abstract

The invention discloses a downlink data stream transmission method, which comprises the following steps: under the condition that data forwarding meets a preset condition, sending an adjustment message to an SMF, so that the SMF modifies a current PDU session type, and a terminal establishes a second link with a core network through a second access network; issuing the data through the first link and the second link, wherein the bandwidth of the first link is fixed, and the bandwidth of the second link is adjustable, and wherein the first link is a data link established between the terminal and the core network through the first access network. According to the method, the basic bandwidth is provided by the first link, and the additional bandwidth is provided by the free or relatively low-cost second link, so that higher-quality services are provided for users. The invention also provides a downlink data stream transmission device and a terminal.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a downlink data stream transmission method, device and terminal. Background technique [0002] The terminal can use the data service through two access modes of wireless access network and local area network (such as WiFi). When using the wireless access network to access the data service, it needs to be charged according to the data traffic, while using the LAN to access the data service is free. Therefore, when users perform data services that consume a large amount of data traffic, they tend to use a LAN to provide data services. [0003] In practical applications, users hope to obtain as much extra bandwidth as possible under the condition of basic bandwidth guarantee, and at the same time, pay no or less extra bandwidth usage fees. For example, in the process of watching video programs, users hope to ensure the download rate for smooth playback of SD program...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04W28/10H04W76/15
CPCH04W28/10H04W76/15
Inventor张伦泳
OwnerCHINA UNITED NETWORK COMM GRP CO LTD