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Data transmission method and device

A data transmission method and data technology, applied in the field of communication, can solve problems such as data transmission failure

Pending Publication Date: 2020-10-20
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a data transmission method and device to solve the problem of data transmission failure existing in the sidelink data transmission process

Method used

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

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0040] figure 2 It shows a schematic flowchart of a data transmission method provided by an embodiment of the present invention, as shown in figure 2 As shown, the data transfer method may include:

[0041] Step 201: the first UE sends the first data to the second UE according to the first information.

[0042] Step 202: the second UE receives first data from the first UE.

[0043] Step 203: the second UE determines whether to perform the second operation according to the first information.

[0044] In the embodiment of the present invention, the above-mentioned first data may be a data packet, may also be a service data flow of one or more services, or may be data transmitted on one or more bearers (for example, may be one or more all data transmitted on the bearer).

[0045] In this embodiment of the present invention, the foregoing first information is used to indicate whether the first UE is required to perform the first operation. The foregoing first operation incl...

Embodiment 2

[0151] image 3 A schematic diagram of a possible structure of a first UE provided in an embodiment of the present invention, as shown in image 3 As shown, the first user equipment 400 includes:

[0152] The sending module 401 is configured to send first data to the second UE according to the first information.

[0153] Wherein, the above-mentioned first information is used to indicate whether the first UE performs the first operation; the first operation includes at least one of the following: encrypting the above-mentioned first data, protecting the integrity of the above-mentioned first data, and encrypting the above-mentioned first data Packet header compression.

[0154] Optionally, the above-mentioned sending module 401 is further configured to send the above-mentioned first information to the above-mentioned second UE through radio resource control RRC signaling or core network signaling.

[0155] Optionally, the above-mentioned sending module 401 is further configu...

Embodiment 3

[0164] Figure 4 A schematic diagram of a possible structure of a second UE provided in an embodiment of the present invention, as shown in Figure 4 As shown, the second user equipment 500 includes:

[0165] The receiving module 501 is configured to receive first data from a first UE.

[0166] A determining module 502, configured to determine whether to execute the second operation according to the first information. Wherein, the first information is used to indicate whether the second UE performs a second operation on the first data; the second operation includes at least one of the following: decrypting the first data, verifying the integrity of the first data, and The data packet header of the above-mentioned first data is decompressed.

[0167] Optionally, the receiving module 501 is further configured to receive the first information from the first UE through radio resource control RRC signaling or core network signaling.

[0168] Optionally, the receiving module 501...

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Abstract

Provided are a data transmission method and device, which relate to the technical field of communications and are used for solving the problem of data transmission failure in a sidelink data transmission process. The method comprises the following steps: sending first data to second UE according to first information; wherein the first information is used for indicating whether the first UE executes a first operation; wherein the first operation comprises at least one of the following items: encrypting the first data, protecting the integrity of the first data, and compressing a data packet header of the first data.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a data transmission method and device. Background technique [0002] At present, in sidelink transmission, when data transmission is performed between user equipments (User Equipment, UE), security protection functions can be enabled, for example, encryption, data packet header compression and integrity protection are performed on the transmitted data and other operations to improve the security of data transmission between UEs. Normally, the enabling of the security protection function between UEs is generally the enabling of the security protection function at the UE level, that is, the security protection function is enabled or disabled for all data transmitted between two UEs. [0003] However, since some communication systems enable or disable different security protection functions for different business data, when the sidelink needs to transmit these ...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04L63/0428H04L69/04
Inventor 鲍炜杨晓东
Owner VIVO MOBILE COMM CO LTD
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