5G wireless resource scheduling method and downlink scheduling system

A wireless resource scheduling and wireless resource block technology, applied in wireless communication, advanced technology, climate sustainability, etc., can solve the problem of not considering the relationship between QoS delay and queuing delay, etc., to reduce system delay Time, guarantee real-time, real-time strong effect

Pending Publication Date: 2022-07-08
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP +1
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Problems solved by technology

[0020] However, among the above traditional algorithms, except for the FLS algorithm, the relationship between QoS delay and queuing delay is not considered. Although the FLS algorithm considers th

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  • 5G wireless resource scheduling method and downlink scheduling system
  • 5G wireless resource scheduling method and downlink scheduling system
  • 5G wireless resource scheduling method and downlink scheduling system

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[0072] In order to make the principles, technical process solutions and optimization effects of the present disclosure clearer, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0073] A 5G wireless resource scheduling method, comprising the following steps:

[0074] (1) Calculate the amount of data u that each arriving real-time stream needs to transmit in the f-th system frame by using the discrete control system theory i (f);

[0075] (2) Calculate the priority of the real-time stream at each TTI, and use the calculated priority to allocate RB resources for the real-time stream;

[0076] (3) Judging whether there are remaining RB resources;

[0077] (4) If there are remaining RB resources, the priority of each TTI of the non-real-time stream is calculated;

[0078] (5) After one scheduling, clear the MAC layer data queue;

[0079] In step (1), the amount of data u i (f) is calculated by the fo...

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Abstract

The invention discloses a 5G wireless resource scheduling method and a downlink scheduling system, and belongs to the technical field of wireless communication. The method comprises the following steps: calculating the data volume needing to be transmitted in the f-th system frame of each arrival real-time stream by utilizing a discrete control system theory; calculating the priority of the real-time stream in each transmission time period; judging whether residual RB resources exist or not, and if not, ending the scheduling; if the remaining RB resources exist, calculating the priority of each transmission time period of the non-real-time stream; and after one-time scheduling is finished, the MAC layer data queue is emptied, and wireless resource scheduling is completed. According to the invention, for time-sensitive services, the packet loss rate of network transmission of the service type can be reduced, so that the time delay of the service type is further reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular, to a 5G communication wireless resource scheduling method and a downlink scheduling system. Background technique [0002] The goal of radio resource scheduling is to manage and allocate air interface radio resources to provide uplink and downlink data transmission services for terminals. As one of the core functions of the MAC layer, radio resource scheduling realizes the dynamic allocation of time-frequency resources. In the 5G mobile communication system, the scheduling of uplink and downlink is separate, and the scheduling result depends on the scheduling strategy adopted by the uplink and downlink scheduler on the 5G base station side. The general scheduling process of the scheduler is as follows figure 1 shown. [0003] It can be seen that the input parameters of the scheduler mainly include: [0004] a. HARQACK / NACK information fed back by the U...

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Application Information

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IPC IPC(8): H04W72/10H04W72/12
CPCH04W72/56H04W72/569Y02D30/70
Inventor 刘允宋瑞良陈超马乙鑫王子恺刘宁
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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