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Resource selection method and device and terminal

A resource selection and resource technology, applied in the field of communication, can solve problems such as transmission reliability and power saving efficiency cannot be taken into account at the same time

Active Publication Date: 2021-01-29
DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a resource selection method, device and terminal, which solves the problem that the transmission reliability cannot be taken into account when selecting resources for UEs sensitive to power consumption in the prior art and energy efficiency issues

Method used

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  • Resource selection method and device and terminal
  • Resource selection method and device and terminal
  • Resource selection method and device and terminal

Examples

Experimental program
Comparison scheme
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no. 1 example

[0040] Such as figure 1 As shown, the embodiment of the present invention provides a resource selection method, which is applied to a terminal, such as a portable terminal (P-UE), and the method specifically includes the following steps:

[0041] Step 11: Select transmission resources for the first M transmissions of service packets by performing resource awareness;

[0042] In this step, M≥1, which includes selecting initial transmission resources only for service packets by performing resource sensing, or selecting initial transmission resources and part of retransmission resources for service packets by performing resource sensing.

[0043] Specifically, by performing resource sensing, the sensing information such as the resource occupation of other terminal nodes and the reservation of subsequent resources is obtained, and the appropriate M transmission resources are selected for the service package according to the sensing information. It mainly involves two windows, the...

no. 2 example

[0088] Such as Figure 6 As shown, the embodiment of the present invention provides a resource selection device 600, which is applied to a terminal, including:

[0089] The first selection module 601 is configured to select transmission resources for the first M transmissions of service packets by performing resource awareness;

[0090] The second selection module 602 is configured to randomly select transmission resources for N transmissions after M times; wherein, N+M is the total number of transmissions of the service package, N≥1, M≥1.

[0091] Optionally, the first selection module 601 includes:

[0092] The first selection submodule is used to determine Y time slots in the resource selection window, Y≥M;

[0093] The second selection submodule is configured to perform resource awareness on subframe y-P for each subframe y in Y to obtain a set of available candidate resources; wherein, P is at least one resource reservation period configured or preconfigured by a high l...

no. 3 example

[0102] In order to better achieve the above purpose, such as Figure 7 As shown, the third embodiment of the present invention also provides a terminal, including:

[0103] Processor 700; and a memory 720 connected to the processor 700 through a bus interface, the memory 720 is used to store programs and data used by the processor 700 when performing operations, and the processor 700 calls and executes the Programs and data stored in the memory 720.

[0104] Wherein, the transceiver 710 is connected to the bus interface, and is used to receive and send data under the control of the processor 700; the processor 700 is used to read the program in the memory 720 and perform the following steps:

[0105] Select transmission resources for the first M transmissions of service packets by performing resource awareness;

[0106] Randomly select transmission resources for N transmissions after M times; wherein, N+M is the total number of transmissions of the service package, N≥1, M≥1. ...

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Abstract

The invention provides a resource selection method and device and a terminal, and the method is applied to the terminal, and comprises the steps: selecting transmission resources for the first M timesof transmission of a service packet by executing resource sensing; transmission resources are randomly selected for N times of transmission after M times of transmission; wherein N + M is the total transmission frequency of the service packet, N is greater than or equal to 1, and M is greater than or equal to 1. According to the scheme, for the terminal sensitive to power consumption, the power saving efficiency can be improved while the transmission reliability is considered during resource selection.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a resource selection method, device and terminal. Background technique [0002] V2X (Vehicle-to-Everything, Vehicle-to-Everything) technology is continuously gaining support from the ecosystem. In a V2X system, how to reduce power consumption while ensuring the reliability of data sent by the UE is a problem that needs to be solved for the UE, especially the UE sensitive to power consumption (such as a portable terminal P-UE). [0003] At present, the existing resource selection schemes include random resource selection and partial sensing resource selection. The random resource selection scheme does not require sensing and is the most effective in saving power consumption. In the case of being occupied, the resource collision probability is high, the transmission reliability is low, and the system performance is greatly affected; the partial sensing resourc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W72/04H04W72/12
CPCH04W52/0209H04W72/0446H04W72/569H04W72/20Y02D30/70
Inventor 刘龙山赵锐
Owner DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD
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