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Resource selection method and device

A resource selection and resource technology, applied in the field of communication, can solve problems affecting system reliability, resource collision, etc.

Active Publication Date: 2017-03-08
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] However, when a node selects a time slot, two nodes that are listening at the same time, or two nodes that are still in the process of time slot selection, and two nodes that have not yet sent information on the selected time slot, can easily choose the same time slot As their respective self-occupied time slots, resource collisions are caused, and resource reselection is performed frequently, which affects the reliability of the system

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  • Resource selection method and device

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Embodiment Construction

[0043] The embodiment of the present invention provides a resource selection method and device, which are used to select two resources each time a node selects a resource, one is used to transmit a service package, and the other is used to indicate the resource for transmitting the service package, so that This enables other nodes to select different resources to occupy according to the instruction when receiving the instruction, so as to avoid resource collision and frequent resource reselection as much as possible, and improve system reliability.

[0044] see figure 1 , a resource selection method provided by an embodiment of the present invention, comprising:

[0045] S101. Determine the resources that need to be selected for transmitting service packets;

[0046] S102. Select a first resource and a second resource, wherein the second resource is used to transmit a service package, and the first resource is used to indicate that the second resource needs to be occupied to ...

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Abstract

The invention discloses a resource selection method and device. The resource selection method and device are used for selecting two resources by a node while selecting resources every time; one is used for transmitting a service package; the other one is used for indicating a resource for transmitting the service package; therefore, other nodes can select different resources to occupy according to an indication when receiving the indication; resource collision is avoided as much as possible; frequent resource reselection is avoided; and thus, the reliability of a system is improved. The resource selection method provided by the invention comprises the following steps of: determining the resources needing to be selected and used for transmitting the service package; and selecting the first resource and the second resource, wherein the second resource is used for transmitting the service package; and the first resource is used for indicating to transmit the service package by needing to occupy the second resource, wherein the resources are time-slot or time-frequency blocks.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a resource selection method and device. Background technique [0002] In the cell-assisted distributed resource allocation algorithm, the existing time slot selection mechanism still has a high collision probability, which reduces system performance. [0003] A base station-assisted implicit reservation resource allocation algorithm in the prior art includes: a resource competition method, the user equipment (UE) needs to monitor the channel for a period before sending a signal for the first time, if a certain logical resource in a certain period is found No other UEs can use the same logical resource position in the next cycle for competitive occupation. Once the competition is successful, the same logical resource will continue to be used to send information in each subsequent cycle until the resource collides again. Before the collision release occurs and there...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04W72/12
CPCH04W72/20
Inventor 冯媛房家奕周海军唐纪晔林琳
Owner DATANG MOBILE COMM EQUIP CO LTD