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Method and device for transmitting data

A technology for transmitting data and streaming data, applied in the field of data transmission, it can solve problems such as excessive delay

Active Publication Date: 2021-02-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some data only needs to be transmitted within a small area (such as a radius of 300 meters), and some data does not need to be processed by the server. All the server can do is forward, which will increase the delay.

Method used

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  • Method and device for transmitting data
  • Method and device for transmitting data

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0097] The technical solution in this application will be described below with reference to the accompanying drawings.

[0098] The technical solution of the present application can be applied to various communication systems, for example: global system of mobile communication (globalsystem of mobile communication, GSM) system, code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division) Multiple access (WCDMA) system, general packet radio service (general packet radio service, GPRS), long term evolution (long termevolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex (TDD), universal mobile telecommunications system (UMTS), worldwide interoperability for microwave access (WiMAX) communication system, 5G system, etc.

[0099] A terminal in this application may refer to a user equipment, an access terminal, a subsc...

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Abstract

The present application provides a method and device for transmitting data. The method includes: the terminal sends a first request message to the SMF, and the first request message is used to request UPF local broadcast return for unicast flow data; the terminal receives the first A response message to a request message. The first request message is used to request UPF local broadcast backhaul for unicast flow data, so that the UPF that manages the broadcast session no longer forwards the received unicast flow data to the AS, but directly sends the received unicast flow data Performing broadcast backhaul locally (that is, the UPF that manages the broadcast session) reduces the length of the transmission path of unicast streaming data, thereby reducing the transmission delay of unicast streaming data that needs to be broadcast in a small area.

Description

technical field [0001] The present application relates to the communication field, and in particular to a method and device for transmitting data. Background technique [0002] In a wireless communication system, for example, in the fifth-generation (5th-generation, 5G) mobile communication system, terminal data such as vehicle to everything (V2X) messages can be sent to the network side through the uplink, and then the network sent to other terminals through the downlink. In the prior art, the application server is the anchor point for data processing and forwarding, that is, the uplink of the data sent by the terminal must reach the application server (application server, AS), and the application server processes the data (such as analyzing the data), and then The downlink data is sent by the application server. However, some data only needs to be transmitted within a small area (for example, within a radius of 300 meters), and some data does not need to be processed by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/40H04W4/44H04W4/46H04W4/06H04W76/40H04W76/12H04W76/22
CPCH04W4/40H04W4/44H04W4/46H04W4/06H04W76/40H04W76/12H04W76/22H04W40/02H04L45/38H04W40/24H04W8/082
Inventor 杨艳梅葛翠丽应江威
Owner HUAWEI TECH CO LTD