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Data transmission method and device

A technology for transmitting data and data, which is applied in the field of data transmission and can solve the problem that the reliability of SL data or UL data transmission cannot be guaranteed.

Active Publication Date: 2020-03-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, if the UE has SL transmission opportunity and UL transmission opportunity available at the same time, due to the limitation of UE radio frequency capability, when the UE can only transmit data on one interface at the same time, the UE may need to discard the SL transmission opportunity or UL transmission opportunity. opportunity, and thus cannot guarantee the reliability of SL data or UL data transmission

Method used

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  • Data transmission method and device
  • Data transmission method and device
  • Data transmission method and device

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Embodiment Construction

[0092] The technical solution in this application will be described below with reference to the accompanying drawings.

[0093] In the description of the embodiments of the present application, unless otherwise specified, "multiple" or "multiple" means two or more.

[0094] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: global system for mobile communications (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 (FDD) system, LTE time division duplex (time division duplex, TDD), universal mobile telecommunication system (universal mobile telecommunication system, UMTS), global interconnection microwave access (worldw...

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Abstract

The invention provides a data transmission method and a device, the method is applied to a first terminal device, and the first terminal device is provided with first data to be transmitted on a sidelink and second data to be transmitted on an uplink. The first terminal equipment compares the transmission priority of the first data with the transmission priority of the second data; and performs media access control (MAC) protocol data unit (PDU) packaging on the first data, or not perform MACPDU packaging on the first data, so as to facilitate the improvement of the reliability of data transmission.

Description

technical field [0001] The present application relates to the communication field, and more particularly, to a method and device for transmitting data. Background technique [0002] The vehicle to everything (V2X) is considered to be one of the fields with the most industrial potential and the clearest market demand in the Internet of Things system. It has the characteristics of wide application space, great industrial potential and strong social benefits. It is of great significance to innovate and develop the communication industry, build new models and formats of automobile and transportation services, promote the innovation and application of autonomous driving technology, and improve traffic efficiency and safety. [0003] The 3GPP International Organization for Standardization has initiated research on V2X since LTE R14. Wherein, in the V2X communication architecture, the communication link between V2X UEs is defined as a sidelink (sidelink, SL); the communication lin...

Claims

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Application Information

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IPC IPC(8): H04L1/16H04L1/18H04L5/00H04L12/863H04L12/865H04L47/6275
CPCH04W28/065H04W24/02H04W4/44H04W4/46H04L1/1887H04L1/189H04W4/40H04L49/3072H04L49/9057H04W40/22H04L1/1812H04W92/18
Inventor 范强酉春华娄崇卓义斌戴明增王君
Owner HUAWEI TECH CO LTD