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A Service-Driven Local Cooperative Distributed Spectrum Access Method

A spectrum access and distributed technology, applied in transmission monitoring, electrical components, transmission systems, etc., can solve problems such as limited user data system optimization, and achieve the effect of improving system business throughput and throughput optimization

Active Publication Date: 2022-02-01
YANGTZE NORMAL UNIVERSITY
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  • Claims
  • Application Information

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Problems solved by technology

System optimization based on the assumption of unlimited user data cannot achieve real system optimization with limited user data

Method used

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  • A Service-Driven Local Cooperative Distributed Spectrum Access Method
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  • A Service-Driven Local Cooperative Distributed Spectrum Access Method

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Embodiment Construction

[0050] 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.

[0051] Such as figure 1 As shown, the present invention discloses a service-driven local cooperative distributed spectrum access method, including the following steps:

[0052] S1. Obtain the target system and initialize and define the target system;

[0053] S2. Calculate the expected throughput of the user;

[0054] S3. The user determines the utility function of his own channel selection decision according to the local cooperation mechanism, and updates his own channel selection decision according to the learning algorithm;

[0055] S4. The user selects a channel based on the updated channel selection decision, accesses the channel, and performs data transmission.

[0056] Compared with the existing technology, in order to enable the system to achieve the g...

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Abstract

The invention discloses a service-driven local cooperative distributed spectrum access method, which includes: acquiring a target system and initializing and defining the target system; calculating the user's expected throughput; and determining the decision-making utility of the user's own channel selection according to the local cooperation mechanism The function updates its own channel selection decision according to the learning algorithm; the user selects a channel based on its own updated channel selection decision, accesses the channel and performs data transmission. The invention is oriented to the access optimization of user service data, and realizes the personalized service of 5G and future wireless network access technologies. Using the system optimization method of distributed learning based on the heterogeneous characteristics of distributed user business data, an appropriate local cooperation mechanism is introduced in the channel access method, and a business-driven local cooperative distributed learning algorithm is proposed to interact with local information. The smaller cost 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 field of wireless access networks in communication networks, in particular to a service-driven local cooperative distributed spectrum access method. Background technique [0002] In order to solve the serious shortage of spectrum resources faced by 5G networks, opportunistic spectrum access technology based on cognitive radio, which can effectively improve spectrum utilization, plays an important role. 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 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/382H04W72/02H04W72/08
CPCH04B17/382H04W72/02H04W72/542
Inventor 姚昌华刘鑫党随虎
Owner YANGTZE NORMAL UNIVERSITY
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