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Resource Allocation Method in Non-orthogonal Cognitive Radio Networks Based on Game Theory

A cognitive radio and resource allocation technology, which is applied in the field of resource allocation in non-orthogonal cognitive radio networks based on game theory, can solve the problem of scarce spectrum resource allocation and other problems, and achieves improved system throughput, transmission characteristics, and speed. maximized effect

Active Publication Date: 2021-08-27
西安寻师有道信息科技有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for resource allocation in a non-orthogonal cognitive radio network based on game theory to solve the resource allocation problem caused by the scarcity of spectrum resources in the cognitive radio network in the prior art

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  • Resource Allocation Method in Non-orthogonal Cognitive Radio Networks Based on Game Theory
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  • Resource Allocation Method in Non-orthogonal Cognitive Radio Networks Based on Game Theory

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Embodiment

[0043] Effect of the present invention can be further illustrated by simulation:

[0044] 1. Simulation conditions: Assume that the cognitive radio network includes 1 authorized user and 20 unauthorized users. The transmission power of authorized users is 15dB, the transmission power of unlicensed users is 20dB, and the reference requirement coefficient for primary users to allow cognitive users to occupy personal frequency bands is 0.8.

[0045] 2. Simulation content: In the underlay cognitive wireless network, the spectrum resource allocation method of the present invention and other random allocation methods are simulated and compared under the premise of different numbers of users. The results are as follows figure 2 . figure 2 In , the vertical axis is "the overall rate of the system", indicating the total rate of the entire network; the horizontal axis is "the number of unauthorized users".

[0046] Depend on figure 2 The simulation results show that, in the case o...

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Abstract

The present invention discloses a resource allocation method in a non-orthogonal cognitive radio network based on game theory, a resource allocation method in a non-orthogonal cognitive radio network based on game theory, and the scenario based on the spectrum resource sharing method is cognitive The radio network system, the cognitive radio network system includes K unlicensed users and a pair of authorized user groups; the spectrum resource sharing method includes the following content: Step 1, initialize the user state of the radio network system: Step 2, process channel conditions Poor unlicensed users are regarded as independent and fixed user clusters; step 3, sort the unprocessed unlicensed users in step 2 according to their respective channel gains, and then merge and split the unlicensed users one by one in this order . The resource allocation problem caused by the scarcity of frequency spectrum resources in the cognitive radio network in the prior art is solved.

Description

【Technical field】 [0001] The invention belongs to the technical field of communication, and in particular relates to a game theory-based resource allocation method in a non-orthogonal cognitive radio network. 【Background technique】 [0002] With the huge growth of high-speed transmission and data traffic in cognitive radio networks, spectrum resources are becoming increasingly tight. From the frequency allocation diagrams of countries around the world, it can be seen that the spectrum from 3KHz to 300GHz is authorized to different radio services, some Frequency bands (such as 1164MHz to 3000MHz) have a high utilization rate and are even very crowded. However, the spectrum utilization rate of some licensed frequency bands is low, spectrum resources cannot be allocated based on market demand, and the maximum efficiency of radio spectrum use cannot be ensured, which seriously hinders the further development of wireless communication. Therefore, under such a background, we urge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/14H04B17/382
CPCH04W16/14H04B17/382
Inventor 梁微石嘉李立欣高昂李旭张会生苏坚
Owner 西安寻师有道信息科技有限公司
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