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Data transmission method, related equipment and system

A data transmission method and data transmission technology, applied in the field of data transmission methods, related equipment and systems, can solve problems such as packet loss and low efficiency of business continuity, and achieve the effects of ensuring continuity, improving efficiency, and avoiding packet loss

Active Publication Date: 2019-04-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, with the above technical solution, there will be a packet loss problem during the process of deleting a PDU session and creating a new PDU session, resulting in low efficiency in maintaining business continuity

Method used

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  • Data transmission method, related equipment and system
  • Data transmission method, related equipment and system
  • Data transmission method, related equipment and system

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Embodiment Construction

[0090] The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

[0091] See figure 1 , figure 1 It is a schematic diagram of the architecture of a communication system provided by an embodiment of the present invention. The communication system 10 includes: a user equipment (UE) 110, an access network device ((Radio) Access Network, (R) AN) 120 and a core network (Core Network, CN) 130, in practical applications, the communication system 10 may also include other devices.

[0092] The UE110 can be smart terminals such as mobile phones and smart watches, communication devices such as servers, gateways, base stations, and controllers, Internet of things (IoT) devices such as sensors, electricity meters, and water meters, or Internet of things (IoT) devices such as sensors, electricity meters, and water meters. Other devices that can access cellular or wired networks....

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Abstract

The embodiment of the invention discloses a data transmission method, related equipment and a system. The data transmission method comprises the following steps: receiving a request message which comes from session management equipment and is used for indicating a data transmission mode; establishing a target PDU session according to the request message under the condition that the original PDU (packet data unit) session is not deleted, wherein the network protocol IP address of the target PDU session is the same as the IP address of the original PDU session, the target PDU session is a session for transmitting data by using a target user plane gateway, the original PDU session is a session for transmitting data by using an original user plane gateway, and the target user plane gateway isa user plane gateway reselected for the user equipment in the presence of the original user plane gateway. According to the embodiment of the invention, the service continuity can be ensured under thecondition that the position of the UE moves.

Description

technical field [0001] The present invention relates to the technical field of communications, and in particular to a data transmission method, related equipment and a system. Background technique [0002] The fifth-generation communication technology (5th-Generation, 5G) is a multi-technology fusion communication that meets the needs of a wide range of data and connection services through technological change and innovation. In the 71st meeting of Radio Access Network (RAN), the third generation partnership project (Third Generation Partnership Project, 3GPP) established a research project (study item, SI) on 5G new air interface. Among them, according to 5G's division of vertical scenarios, 3GPP mainly focuses on enhanced mobile broadband (eMBB), ultra-reliable low-latency communications (URLLC) and large-scale machine type communications (massive Machine type communications (mMTC) conduct research on new air interface technology in three aspects. [0003] Mobile Edge Co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/12H04W36/32H04W76/11H04W76/12
CPCH04W36/0033H04W36/12H04W36/32
Inventor 魏鑫鹏杨飞陈哲
Owner HUAWEI TECH CO LTD
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