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Resource allocation method based on mMTC hierarchical access framework

A technology of resource allocation and layered access, applied in machine-to-machine/machine-type communication services, digital transmission systems, electrical components, etc., can solve the problems of resource waste signaling, conflicts, etc., to avoid interference and wide application Prospective, high usage and promotional value effects

Active Publication Date: 2018-11-20
CERTUS NETWORK TECHNANJING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If all MTC devices in an area need to independently access the base station in the area, this will bring a great burden to the base station, and will also cause serious waste of resources and signaling conflicts

Method used

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  • Resource allocation method based on mMTC hierarchical access framework
  • Resource allocation method based on mMTC hierarchical access framework
  • Resource allocation method based on mMTC hierarchical access framework

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Embodiment Construction

[0038] Such as Figure 2 to Figure 5 As shown, the present invention discloses a resource allocation method based on the mMTC layered access framework.

[0039] In general, the present invention proposes a multi-level resource allocation model for the proposed mMTC network layered architecture. First, in the first-layer network model, it mainly includes the communication between the base station and LTE users, as well as the communication between the base station and the aggregation node users. Therefore, the first-level resource allocation refers to the allocation of resource blocks by the base station to the sink node users. We can use the interference between sink node users on a certain resource block and the interference between sink node users and LTE users on this resource. Carry out modeling analysis to determine whether the resource block can be occupied by the sink node. In the second-layer network model, it mainly includes communication between MTC users and sink ...

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Abstract

The invention provides a resource allocation method based on an mMTC hierarchical access framework. The resource allocation method comprises the following steps of 1 first-stage resource allocation, wherein a base station allocates resource blocks to aggregation node users; 2 second-stage resource allocation, wherein the resource blocks allocated by the base station are subdivided into sub-carriergroups, multiple MTC users matched with each sub-carrier group are combined into a user group, and mutual matching of the sub-carrier groups and the user groups is completed; and 3 third-stage resource allocation, wherein in each user group, each sub-carrier group obtained in the second-stage resource allocation step is allocated to the corresponding users according to an allocation rule, and theusers complete power allocation according to the locations of the users and the service types. Accordingly, the performance and the spectrum efficiency of an overall network architecture system can be effectively improved.

Description

technical field [0001] The invention relates to a resource allocation method, in particular to a resource allocation method based on an mMTC layered access framework, and belongs to the technical field of wireless communication. Background technique [0002] mMTC is Massive Machine-Type Communication, which is one of the three main application scenarios of 5G technology. In this application scenario in the future, there will be hundreds of billions of devices connected to the network, and the types of data sent by devices with different applications are also different. If all MTC devices in an area need to independently access the base station in the area, this will bring a great burden to the base station, and will also cause serious waste of resources and signaling conflicts. But at the same time, the mass access of the mMTC system also has some characteristics, namely low power consumption, burst and short frame length services. Mass access is mainly used to solve the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W72/04H04W72/08H04W72/10H04L12/24H04W72/54
CPCH04L41/044H04L41/145H04W4/70H04W72/0453H04W72/541H04W72/56
Inventor 孙君熊关胡欣鹏
Owner CERTUS NETWORK TECHNANJING