A method and device for processing time slot resources in Internet of Vehicles

Abstract

Embodiments of the present invention provide a method and device for processing time slot resources in the Internet of Vehicles, which are used to send data packets with corresponding priorities in occupied time slots, release unneeded occupied time slots in time, and ensure high-priority services on the channel Priority right to use resources, more rational and efficient use of time slot resources. The method includes: when an occupied time slot arrives, judging whether there is a data packet to be sent, if yes, determining the priority queue of all occupied time slots, and determining the priority queue of all data packets to be sent; wherein, the arriving Occupied time slots include newly applied for time slots, or time slots that have been maintained; when the priority queues of all occupied time slots and the priority queues of all data packets to be sent are determined, the occupied time slots that arrive are determined When there is a data packet to be sent, the data packet to be sent is sent in the occupied time slot that arrives; when there is no data packet to be sent, or when there is no data packet to be sent in the occupied time slot that arrives, the occupied time slot that arrives is released Gap.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a method and device for processing time slot resources in the Internet of Vehicles. Background technique [0002] In the application of Internet of Vehicles, when a node (such as a car) occupies a time slot, it will periodically send FI (Frame Information, frame information) messages and corresponding business information, and FI carries the time slot occupation that it directly or indirectly perceives Condition. Each node monitors the FI messages sent by the surrounding nodes, so that each node can understand the network topology and resource occupation. [0003] A complete time slot application process is: 1) The monitoring process is to understand the channel occupancy status; 2) The selection of a free time slot; 3) Waiting for the arrival of the selected time slot slot, and reconfirming whether it is free; 4) Sending in slotp FI and business package; 5) Monitor feedback...

AI Technical Summary

Problems solved by technology

[0019] (1) When static allocation leads to limited system resources, it does not consider ensuring the priority use of air interface resources for high-priority services; when the priority of existing services is lower than that of newly arrived services and system resources are limited In this case, the existing mechanism does not propose a node internal priority processing scheme

In this case, if no special treatment is done, the low-priority service that arrives first will be successfully connected, and the high-priority service that arrives later will not be connected.

[0020] (2) Static allocation does not consider ensuring the priority use of air interface resources by high-priority services in the case of channel access process of applying for time slots or failure of time slot resource request / maintenance during channel maintenance of occupied time slots Right; channel maintenance is a continuous process, that is, before each valid occupied time slot arrives, the node cannot determine whether the time slot is valid

For the mechanism of binding data packets to time slot resources, when the resource request / maintenance of this time slot fails, if the resource is requested for the data packet again, the QoS (QualityOf Service) of the data packet transmitted using the reapplied resource , QoS) delay requirements are likely not to be met

[0021] It can be seen that the existing technology cannot guarantee the priority use of air interface resources for high-priority services

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