M2M communication network combined clustering and power distribution method based on non-orthogonal multiple access technology

A technology of non-orthogonal multiple access and access technology, which is applied in the field of joint clustering and power distribution of M2M communication networks, and can solve problems such as difficulty in realizing network performance optimization.

Active Publication Date: 2019-09-27
CHONGQING UNIV OF POSTS & TELECOMM
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  • Claims
  • Application Information

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Problems solved by technology

[0004] To sum up, the existing research mainly uses routing strategy, random access, energy harvesting and other mechanisms to reduce the energy consumption of M2M devices to improve energy efficiency, but fails to comprehensively consider device random access, device clustering and resource allocation strategies. The impact on equipment energy efficiency makes it difficult to optimize network performance

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  • M2M communication network combined clustering and power distribution method based on non-orthogonal multiple access technology
  • M2M communication network combined clustering and power distribution method based on non-orthogonal multiple access technology
  • M2M communication network combined clustering and power distribution method based on non-orthogonal multiple access technology

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Embodiment Construction

[0045] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0046] see Figure 1 ~ Figure 2 , figure 1 is a cellular network scene graph, such as figure 1 As shown, there are multiple M2M devices with access request...

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Abstract

The invention relates to an M2M communication network joint clustering and power distribution method based on a non-orthogonal multiple access technology, and belongs to the technical field of wireless communication. The method comprises the following steps: S1, modeling channel gain between M2M equipment and a base station; s2, modeling channel gain between M2M devices; s3, determining a cluster head selection strategy; s4, pairing the cluster members, and determining all combination modes; s5, aiming at various cluster member combination modes, optimizing and determining a cluster head association strategy; s6, determining a cluster member power distribution strategy based on an intra-cluster energy efficiency optimization criterion; and S7, comparing all cluster member combinations, and determining a global optimal clustering and power distribution strategy. According to the invention, the M2M equipment association and resource allocation strategy can be optimized and designed, so that the equipment energy efficiency maximization is realized.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, relates to the technical field of M2M resource management, and in particular relates to a joint clustering and power allocation method of an M2M communication network based on a non-orthogonal multiple access technology. Background technique [0002] Machine-to-Machine (M2M) communication refers to a machine-to-machine communication process without human intervention. The M2M communication method has a wide range of applications and has been widely used in smart grids, smart devices, remote monitoring, smart medical care, smart transportation, smart cities, smart homes and other fields. There are a large number of M2M devices with a wide range, and they are usually deployed in some relatively harsh scenarios where batteries are difficult to replace. Therefore, how to improve the energy efficiency of the M2M equipment is an important subject of the M2M communication system. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W24/02H04W24/06H04W40/04H04W40/12H04W40/32H04W72/04
CPCH04W4/70H04W24/06H04W40/32H04W40/04H04W40/12H04W24/02H04W72/0473H04W72/53Y02D30/70
Inventor 柴蓉刘昌柱陈前斌
Owner CHONGQING UNIV OF POSTS & TELECOMM
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