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Message transmission method and device

A message transmission and message technology, applied in the field of communication, can solve the problems of transmission opportunities and waste of resources

Active Publication Date: 2021-09-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the case of a good channel, if the message receiving user equipment frequently sends auxiliary information, it is easy to cause waste of transmission opportunities and resources

Method used

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  • Message transmission method and device
  • Message transmission method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0125] see Figure 4 , is a schematic flow chart of a message transmission method provided in the embodiment of the present application.

[0126] The embodiment of the present application does not limit the application scenarios of the first user equipment and the second user equipment. For example, when the method provided in this application is applied to V2V, both the first user equipment and the second user equipment can be equipment, such as Figure 5 shown. Figure 5 In, between the first user equipment and the second user equipment respectively serving as vehicle-mounted equipment can execute Figure 4 process shown. to combine Figure 4 , the method includes:

[0127] Step 401: Establish a direct link connection between the first user equipment and the second user equipment.

[0128] Step 402: The second user equipment sends a first message to the first user equipment, where the first message includes location information of the second user equipment.

[0129] S...

Embodiment 2

[0189] In the foregoing embodiments, it is described that the first user equipment can indicate resources to the second user equipment, and the second user equipment can perform data transmission through the resources indicated by the first user equipment, which can improve the success rate of data transmission. Furthermore, when multiple user equipments indicate resources to one user equipment, how the user equipment determines a resource for sending data from among the multiple resources is an urgent problem to be solved. To this end, the embodiment of the present application will provide a method to solve the above problem, which will be described in detail below.

[0190] see Figure 8 , is a schematic flow chart of a message transmission method provided in the embodiment of the present application.

[0191] The embodiment of this application is Figure 8 The application scenarios of the method shown are not limited. For example, when the method provided by the present a...

Embodiment approach 3

[0221] The first user equipment may determine the weight of each resource in the at least one resource according to the N distances. The distance and the weight may be positively correlated. For example, the smaller the distance, the smaller the weight of the resource indicated by the auxiliary information corresponding to the distance; the larger the distance, the greater the weight of the resource indicated by the auxiliary information corresponding to the distance.

[0222] For example, distances and weights can satisfy the following relationship:

[0223] Q=βX+α······(1)

[0224] Among them, Q is the weight, X is the distance, β is a coefficient greater than 0, and α is a preset value.

[0225] Formula (1) is just an example, and the distance and weight may also satisfy other relationships, which will not be repeated here.

[0226] After determining the weight of each resource in the at least one resource, the first user equipment may select a resource from K resources w...

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Abstract

Provided are a message transmission method and device, which can be applied to scenes such as V2X, and wherein the method comprises: establishing a direct link connection between a first user equipment and a second user equipment; receiving a first message from the second user equipment by the first user equipment, wherein the first message comprises position information of the second user equipment; sending auxiliary information by the first user equipment according to the position information, wherein the auxiliary information is used for indicating resources. In the above process, the second user equipment carries the position information in the first message, and the first user equipment can judge whether to send the auxiliary information according to the position information, so that the sending frequency of the auxiliary information is reduced, unnecessary feedback of the auxiliary information is reduced, and the resource utilization rate is improved.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority of the Chinese patent application submitted to the State Intellectual Property Office on March 20, 2020, with the application number 202010203425.8 and the application name "A Perception Method for Periodic and Non-periodical Reservation Services", the entire content of which is passed References are incorporated in this application. technical field [0003] The present application relates to the technical field of communications, and in particular to a message transmission method and device. Background technique [0004] With the evolution of communication technology, the Internet of Everything is also accelerating. The 3rd generation partnership project (3GPP) introduced in the Long Term Evolution (LTE) system and the new radio (NR) system Vehicle to Vehicle (V2V) and Vehicle to Everything (V2X) services in order to extend the 3GPP platform to the automotive industry. [0005] ...

Claims

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Application Information

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IPC IPC(8): H04W4/46H04W4/70H04W4/029H04W4/02H04W72/04H04W76/14
CPCH04W4/46H04W4/70H04W4/029H04W4/023H04W76/14H04W72/20H04W4/02H04W72/04Y02D30/70
Inventor 刘云徐海博王洲周永行
Owner HUAWEI TECH CO LTD
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