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A multi-beam multi-user resource allocation method for a millimeter wave communication system

A technology for resource allocation and communication system, applied in the field of multi-beam multi-user resource allocation in millimeter wave communication systems, can solve the problems of reduced user service quality, failure to consider inter-beam interference, failure to consider the impact of resource allocation, etc., to ensure service. Quality, the effect of improving service quality

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

[0005] In the mmWave scenario, the current resource allocation method only solves the allocation problem of single beam to multiple users, and does not consider the allocation problem under the deployment of multiple beams by the base station, and does not consider the impact of differentiated service requirements among users on resource allocation. influences
At the same time, when the base station deploys multiple beams, the existing resource allocation method does not take into account the potential impact of inter-beam interference. When the user distribution is relatively dense, the user service quality will be greatly reduced
In addition, in the existing resource allocation methods, the method of maximizing the total user rate or proportional fairness in the system is usually adopted, which does not take into account the differentiated requirements of different services on performance indicators such as rate, delay, and packet loss rate. It can effectively reflect the degree of demand for resources and the efficiency of allocation of multi-services under each resource scheduling cycle, and thus cannot meet the quality of service of users

Method used

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  • A multi-beam multi-user resource allocation method for a millimeter wave communication system
  • A multi-beam multi-user resource allocation method for a millimeter wave communication system
  • A multi-beam multi-user resource allocation method for a millimeter wave communication system

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Embodiment Construction

[0040] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0041] A multi-beam multi-user resource allocation method for a millimeter wave communication system, which deploys M beams in a same-frequency manner on a base station, M ≥ 2, divides the airspace into M areas equally, and rotates the beam m in the area m to cover the area and serve the users in the area, 1≤m≤M; in the scheduling time slot t, first determine the users to be allocated for the beam in the first area, and then determine the users to be allocated for the beam in the next adjacent area in turn. The allocation process includes the following steps:

[0042] (1) Let m=1, then go to step (2);

[0043] (2) Determine the user to be allocated of beam m based on the utility function, so that when the beam m is allocated to the user, the utility function of the user takes the maximum value, and then goes to step (3);

[0044] (3) judge whet...

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Abstract

The invention discloses a multi-beam multi-user resource allocation method in a millimeter wave communication system, which belongs to the technical field of fifth-generation mobile communication. The method deploys multiple beams in the same frequency mode on the base station, and divides the airspace into multiple areas equally, and each beam rotates in the corresponding area to cover the area and serve the users in the area; in each scheduling time slot , first determine the to-be-allocated users of the beam in the first area, and then sequentially determine the to-be-allocated users of the beam in the next adjacent area. This method constructs a beam resource utility function based on differentiated service requirements, user fairness, delay, and user buffering, which can effectively characterize the service quality of the network. Resource allocation optimization model for beams. The method realizes efficient allocation of multiple beams through two processes of beam selection and user scheduling, and can effectively improve the service quality of the network.

Description

technical field [0001] The present invention relates to the technical field of fifth-generation mobile communication, in particular to a method for allocating multi-beam multi-user resources in a millimeter wave communication system. Background technique [0002] In order to cope with the explosive growth of mobile data traffic in the future, massive device connections, and various new services and application scenarios that are constantly emerging, the evolution of the LTE-A system alone cannot meet the diverse communication needs. Therefore, the fifth-generation mobile communication ( 5G) system came into being. However, only relying on spectrum resources below 6GHz can no longer meet the data requirements of large bandwidth and high speed in the 5G era. Therefore, it is necessary to find new spectrum resources and fully tap the available spectrum to meet the development needs of 5G. [0003] In order to cope with the severe challenge of shortage of spectrum resources, 5G...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/08H04W72/10H04W72/54
CPCH04W72/046H04W72/541H04W72/543H04W72/542H04W72/56Y02D30/70
Inventor 郎磊张奇勋孙宇航冯志勇黄赛尉志青张轶凡王荆宁贾倩
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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