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
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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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