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A Decision-Making Method for Distributed Service Matching Sequential Spectrum Access

A technology of spectrum access and decision-making method, which is applied in the field of distributed service matching and sequential spectrum access decision-making, can solve the problems of system user throughput difference, ignore user access requirements, etc., achieve optimal matching, and realize opportunistic spectrum resources The effect of utilization

Active Publication Date: 2021-07-20
YANGTZE NORMAL UNIVERSITY
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  • Abstract
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Problems solved by technology

[0005] At the same time, the current method generally ignores the actual service access needs of users, and most of them are oriented to the optimization of system capacity, and there is still a difference between this and the throughput of system users

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  • A Decision-Making Method for Distributed Service Matching Sequential Spectrum Access
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  • A Decision-Making Method for Distributed Service Matching Sequential Spectrum Access

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Embodiment Construction

[0060] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0061] Such as figure 1 As shown, the present invention discloses a distributed service matching sequential spectrum access decision method, including the following steps:

[0062] S1. Obtain the target system and initialize and define the target system;

[0063] S2. Calculate the expected throughput of the sequential detection sequence of the user;

[0064] S3. Updating the user's own sequential detection order based on the expected throughput of the user's sequential detection order;

[0065] S4. The user selects a corresponding sequential detection order to perform channel sensing based on the updated decision, accesses an idle channel, and transmits data.

[0066] Compared with the prior art, the present invention adopts a system optimization method for di...

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Abstract

The invention discloses a distributed service matching sequential spectrum access decision-making method, comprising the following steps: acquiring a target system and initializing and defining the target system; calculating the expected throughput of the user's sequential detection order; based on the user's The expected throughput of the sequential detection order updates the user's own sequential detection order; based on the updated decision, the user selects the corresponding sequential detection order for channel sensing, accesses an idle channel, and transmits data. The present invention adopts a system optimization method for distributed learning based on the heterogeneous characteristics of distributed user business data, introduces an appropriate local cooperation mechanism in the channel access method, and proposes a service-driven local cooperative distributed learning algorithm, using local The small cost of information interaction gradually converges to the global optimal state, which realizes the optimization of the throughput of the network system.

Description

technical field [0001] The invention relates to the technical field of ad hoc wireless communication network access, in particular to a decision-making method for distributed service matching sequential spectrum access. Background technique [0002] At present, the 5G network is facing a serious shortage of spectrum resources, and the opportunistic spectrum access technology based on cognitive radio can effectively utilize idle spectrum resources. Cognitive radio technology is used in the research of microcellular network, which is called cognitive small cell network (Cognitive Small Cell, CSC). Cognitive microcells have the ability of cognitive radio to detect the radio environment, discover available idle spectrum channel resources, and dynamically adjust access parameters. Cognitive micro cells use opportunistic spectrum access technology to dynamically access better spectrum according to environmental conditions to provide business transmission services for their termin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/10H04W24/02H04W48/16
CPCH04W16/10H04W24/02H04W48/16
Inventor 姚昌华刘鑫党随虎
Owner YANGTZE NORMAL UNIVERSITY
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