Method for selecting transmission resources, method for transmitting shared information, terminal and external device

A technology for sending resources and external devices, which is applied in the field of communication and can solve problems such as power consumption, high resource collision rate, and poor performance

Inactive Publication Date: 2018-10-02
CHINA ACAD OF TELECOMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The embodiment of the present application provides a method for selecting transmission resources and transmitting shared information, a terminal, and an external device to solve the problem of blind selection of resources in the prior art when randomly selecting transmission resources, high resource collision rate, and poor performance; based on partial perception When choosing to send resources, the terminal needs to monitor and receive the data sent by other terminals, which requires high terminal capabilities and consumes a lot of power.

Method used

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  • Method for selecting transmission resources, method for transmitting shared information, terminal and external device
  • Method for selecting transmission resources, method for transmitting shared information, terminal and external device
  • Method for selecting transmission resources, method for transmitting shared information, terminal and external device

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Embodiment 1

[0088] see figure 1 Embodiment 1 of the present application provides a method for selecting a transmission resource, which is applied to a terminal, and the method for selecting a transmission resource includes the following steps:

[0089] S101. The terminal judges whether at least one of the N sensing results sent by M external devices and used to characterize the resource usage of the sending resource pool is received within a first preset time period; wherein, the M is greater than an integer equal to 1, and said N is an integer greater than or equal to 1;

[0090] S102. If the determination result is yes, the terminal selects a transmission resource based on the at least one received sensing result.

[0091] Wherein, the terminal is, for example, a terminal device such as a mobile phone or a tablet computer; the external device is, for example, a roadside device, a vehicle, or a mobile phone other than the terminal device, which is not specifically limited in this embodi...

Embodiment 2

[0135] see Figure 6 , Embodiment 2 of the present application provides a terminal, and the terminal includes:

[0136] A judging module 601, configured to judge whether at least one sensing result among N sensing results sent by M external devices and used to characterize the resource usage of the sending resource pool is received within a first preset time period; wherein, the M is an integer greater than or equal to 1, and said N is an integer greater than or equal to 1;

[0137] And a first selection module 602, configured to select a transmission resource based on the at least one sensing result if the judgment result is yes.

[0138] In the first case of this embodiment, the terminal further includes:

[0139] The first sending module is configured to send to M external devices a first sharing request representing the perception result that the terminal needs to obtain to represent the resource usage of the sending resource pool;

[0140] A first receiving module, con...

Embodiment 3

[0161] see Figure 7 , Embodiment 3 of the present application provides a method for sending shared information, which is applied to external devices, and includes the following steps:

[0162] S701. The external device obtains first shared information used to characterize the perception result of the resource usage of the sending resource pool;

[0163] S702. Based on the received first sharing request sent by the terminal that needs to obtain a perception result representing the resource usage of the sending resource pool, the external device sends the first sharing information to the terminal so that the terminal A transmission resource can be selected based on the first shared information, or based on the sensing result, the external device periodically sends the first shared information so that the terminal can select a transmission resource based on the first shared information.

[0164] Wherein, the sending of the first shared information in the step S702 is specifical...

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Abstract

The present invention provides a method for selecting transmission resources, a method for transmitting shared information, a terminal and an external device. According to the method, the terminal andthe external device of the invention, the terminal judges whether at last one of N sensing results is received within a first preset time period, wherein the N sensing results are sent by M externaldevices and are used for characterizing the resource use condition of a transmission resource pool, M is an integer greater than or equal to 1, and N is an integer greater than or equal to 1; and if at last one of the N sensing results is received within the first preset time period, the terminal selects transmission resources on the basis of the received at least one sensing result. With the method of the invention adopted, the terminal can receive the sensing results which are sent by the external devices and are used for characterizing the resource usage condition of the transmission resource pool, and technical problems that cannot be solved in the prior art can be solved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method for selecting transmission resources and transmitting shared information, a terminal and external equipment. Background technique [0002] The LTE system considers V2P communication in V2X (Vehicle to Everything, vehicle-to-vehicle), in which pedestrians (P-UE) need to send information to vehicles (V-UE) for vehicles to avoid pedestrians. However, there are differences between P-UE and V-UE from the device itself. P-UE needs to consider power saving issues, and P-UE is often weaker than V-UE. Currently, there are two schemes for how the P-UE sends P2V data and how to select resources. The first is that the P-UE randomly selects resources, and the second is that the P-UE performs partial perception based on the usage of the resource pool. (partial sensing), select sending resources according to partial sensing results. Random selection does not require P-UE to receive ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/40H04W4/02H04L5/00
CPCH04L5/0037H04L5/0039H04L5/0044H04L5/0094
Inventor 张惠英梁靖
Owner CHINA ACAD OF TELECOMM TECH
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