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A data transmission resource reservation method and device

A data transmission and resource reservation technology, applied in the field of communication, can solve the problem of high probability of data transmission resource conflicts, achieve a reduced probability, reduce resource conflicts, and understand the overall effect

Active Publication Date: 2019-05-28
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a method and device for reserving data transmission resources to solve the problem of high collision probability of data transmission resources between different nodes

Method used

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  • A data transmission resource reservation method and device
  • A data transmission resource reservation method and device
  • A data transmission resource reservation method and device

Examples

Experimental program
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Embodiment 1

[0059] Such as figure 2 As shown, it is a flow chart of the data transmission method provided by Embodiment 1 of the present invention, including the following steps:

[0060] S201: The first node determines, based on the first data transmission resource selected for this service and the second data transmission resource selected for the next service, the scheduling allocation for indicating the first data transmission resource and the second data transmission resource SA information.

[0061] Here, the current service refers to the service that the first node needs to execute in the latest service cycle, and the next service refers to the service that needs to be executed in a service cycle after the current service.

[0062] In a specific implementation, the first node may select the data transmission resource occupied by this service and the next service according to the occupancy of each data transmission resource in the data (DATA) resource pool. The occupancy of the d...

Embodiment 2

[0076] In the first embodiment above, the first node randomly selects an SA resource from the SA resource pool, and sends the SA information to other nodes. In order to increase the success rate of receiving the SA information sent by other nodes to the first node, and further reduce the probability of data transmission resource collision, SA information can be transmitted multiple times in a service cycle, that is, data transmission indicated multiple times resource. Optionally, the first node may randomly select an SA pattern from various preset SA patterns (patterns) for sending the SA information; wherein, each SA pattern includes multiple SA resources, and the first node In the current service cycle, the SA information is sent on each of the SA resources in sequence. Here, the SA pattern is also the combination of SA resources. The first node selects any SA resource in a certain pattern, that is, selects all the SA resources of the pattern, and the relationship between S...

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Abstract

The present invention relates to the field of communication technology, in particular to a method and device for reserving data transmission resources, which are used to solve the problem of high collision probability of data transmission resources between different nodes. An embodiment of the present invention provides a method for reserving data transmission resources, including: the first node determines, based on the first data transmission resource selected for this service and the second data transmission resource selected for the next service, the Scheduling the data transmission resource and the second data transmission resource allocates SA information; and sends the SA information to other nodes. By adopting the embodiment of the present invention, each node in the network can not only know the data transmission resources that other nodes need to occupy for this service, but also know in advance the data transmission resources that other nodes need to occupy for the next service. In this way, each node can The available data transmission resources are known more comprehensively and in a timely manner, thereby reducing the probability of resource conflicts.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission resource reservation method and device. Background technique [0002] The Internet of Vehicles refers to the use of sensors on vehicles and roads to collect information on vehicles, roads and the environment, and to realize information sharing through mutual communication between vehicles, vehicles and people, and vehicles and roadside equipment, and to share information on the information network platform. Carry out extraction, sharing and effective utilization, effectively supervise vehicles and provide comprehensive services according to different functional requirements. [0003] When any node joins the network, it needs to reserve data transmission resources to realize communication with other nodes. In Long Term Evolution-Device-to-Device (Long Term Evolution, Device-to-Device, LTE-D2D) communication, a node dynamically indicates the data...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/26H04W72/12
CPCH04W28/26H04W72/20H04W72/00
Inventor 林琳冯媛房家奕周海军
Owner DATANG MOBILE COMM EQUIP CO LTD
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