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Method and device for selecting resources

A resource and resource pool technology, applied in the field of resource selection, can solve problems such as half-duplex, and achieve the effect of avoiding the half-duplex problem

Active Publication Date: 2022-01-28
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The process of Sidelink for each carrier in carrier aggregation in the related art is carried out independently, resulting in a serious half-duplex problem, and there is no effective solution at present

Method used

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  • Method and device for selecting resources
  • Method and device for selecting resources

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The technical solutions of the embodiments of the present application can be applied to peer-to-peer communication, such as D2D communication, V2V communication and other scenarios. It should be noted that the operating environment of the above information transmission method provided in the embodiment of the present application is not limited to the above network architecture.

[0026] The method embodiment provided in Embodiment 1 of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking running on a mobile terminal as an example, image 3 It is a block diagram of the hardware structure of a mobile terminal according to a method for selecting resources in an embodiment of the present invention. Such as image 3 As shown, the mobile terminal 30 may include one or more ( image 3 Only one is shown in the figure) a processor 302 (the processor 302 may include but not limited to a processing device such ...

example 1

[0069] The UE uses multiple Sidelink processes to transmit on multiple carriers (it needs to be added that there can also be multiple Sidelink processes on one carrier), and the multiple Sidelink processes on the multiple carriers are configured as a set of Sidelink processes, for example, The UE uses N Sidelink processes for transmission, among which M processes form a set of Sidelink processes, which are recorded as a Sidelink process set A (Set-A). For example, in a special case, M A Sidelink process. Each Sidelink process in the group has a trigger condition that can trigger its resource selection / reselection, such as the trigger conditions 1 to 7 above, and in order to avoid half-duplex problems and reasonably select resources for multiple processes on multiple carriers , define a Sidelink resource selection / reselection trigger condition as, once the resource selection / reselection trigger condition of a certain Sidelink process in the group is met, the resource selection / ...

example 2

[0072] As described in Example 1, if a Sidelink process triggers resource selection / reselection and also triggers resource selection / reselection of other Sidelink processes, it may cause the UE to perform resource selection / reselection too frequently, causing system burden, Example 2 provides a feasible solution for reducing resource selection / reselection times.

[0073] First, for a set of Sidelink processes, only some of the Sidelink processes in the set can trigger resource selection / reselection of other Sidelink processes. For example, a set of Sidelink processes includes processes 1, 2, 3, 4, and processes 1 and 2. It is a process that can trigger other Sidelink processes to select resources. For example, when process 1 triggers resource selection / reselection, it will trigger Sidelink processes 2, 3, and 4 to select resources at the same time, but when the trigger conditions of process 3 are met, only Will trigger process 3's own resource selection / reselection.

[0074] ...

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Abstract

The present invention provides a method and device for selecting resources, wherein the method includes: initiating one or more Sidelink processes on one or more carriers; determining the one or more Sidelink processes as a group Sidelink processes; trigger resource selection of the group of Sidelink processes according to preset rules. It solves the problem that the sidelink process of each carrier in the carrier aggregation is carried out independently in the related art, which leads to a serious half-duplex problem, realizes resource selection for a group of sidelink processes, avoids the independent process of the sidelink process of each carrier, and avoids serious half-duplex problems.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a method and device for selecting resources. Background technique [0002] In related technologies, in the Sidelink communication system, when there is business between UEs that need to be transmitted, the business data between UEs is not forwarded by the network side, but is directly transmitted to the target by the data source UE through Sidelink UE, figure 1 It is a schematic diagram of the Sidelink communication structure according to related technologies. In addition, according to the method of obtaining communication resources, Sidelink communication can be divided into two types of communication modes. In the first type of mode, the resources for UE to send Sidelink signals come from the scheduling of the base station, while in the second type In the second type of mode, the UE independently selects the resource communication mode according to the resource selection str...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04L5/16
CPCH04L5/0008H04L5/0048H04L5/0062H04L5/0096H04L5/16H04L5/00H04W72/02H04W92/18H04W72/53H04W80/02
Inventor 邢卫民卢有雄
Owner ZTE CORP
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