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Spectrum auction method based on imperfect spectrum detection in CoMP system

A spectrum detection and spectrum technology, applied in transmission systems, radio transmission systems, diversity/multi-antenna systems, etc., can solve the problems of spectrum sensing in CoMP systems that are rarely considered in research, the spectrum cannot be detected, and it is difficult to implement. Achieve the effect of improving spectrum utilization and throughput

Inactive Publication Date: 2017-07-14
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

However, so far, perfect spectrum sensing is difficult to achieve in practice, that is, the existence of idle spectrum cannot be detected by cognitive techniques, and few studies have considered the problem of imperfect spectrum sensing in CoMP systems

Method used

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  • Spectrum auction method based on imperfect spectrum detection in CoMP system
  • Spectrum auction method based on imperfect spectrum detection in CoMP system
  • Spectrum auction method based on imperfect spectrum detection in CoMP system

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Embodiment

[0049] A spectrum auction method based on imperfect spectrum detection in a CoMP system provided in this embodiment includes the following steps: S10: initial stage; S20: spectrum detection stage; S30: auction stage. The specific process of each stage is further described in the following content.

[0050] S10: Initial stage, the initial stage includes the following processes

[0051] In the CoMP system, perform static cell clustering, such as figure 1 The model of the cooperating cell set in the CoMP system is shown. The cooperating cell set is composed of 3 cells. Therefore, a fixed cooperating cell set of 3 cells is selected. Cell 1, cell 2, and cell 3 form the cooperating cell set in the CoMP system. Combine the cells with the strongest interference, and set the number of cooperating user equipments in each cooperating cell to be N. Of course, a fixed coordinating cell set of 4 or 5 or more cells can also be selected in the CoMP system according to the specific situation....

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Abstract

The invention provides a spectrum auction method based on imperfect spectrum detection in CoMP system. The method comprises the following steps: S10, the primary stage, which comprises the following processes: performing static cell clustering in the CoMP system, selecting a fixed cooperative cell set of multiple cells, and setting cooperative user equipment in each cooperative cell as multiple; S20, the spectrum detection stage, which comprises the following processes: performing idle spectrum detection by use of a cognitive spectrum sensing technology, and collecting idle frequency band to perform the auction preparation; S30: the auction stage: establishing a spectrum auction model based on imperfect spectrum detection, designing a purchaser, a seller and a spectrum broker, optimizing a purchaser revenue function, and selling the idle frequency band at auction in the time slot by use of a first price sealed auction scheme. By use of the method provided by the invention, the spectrum utilization efficiency of the CoMP system is improved, and then the overall throughput of the system is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a spectrum auction method based on imperfect spectrum detection in a CoMP (Coordinated Multiple Points, coordinated multi-point) system Background technique [0002] Facing 2020 and the future, the mobile Internet and the Internet of Things, as the two driving forces of mobile communications, provide broad application prospects for the fifth generation of mobile communications (5G). Compared with the fourth-generation mobile communication (4G), 5G will pay more attention to satisfying diverse communication scenarios and ultimate user experience, and make full use of low-frequency and high-frequency spectrum resources. However, the coverage of high-frequency bands is weak, and it is difficult to achieve full network coverage. During the development of 5G communication, high-frequency spectrum resources will be more used in conjunction with low-frequency spe...

Claims

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Application Information

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IPC IPC(8): H04B17/382H04B7/026H04B7/06H04W16/10
CPCH04B17/382H04B7/026H04B7/0632H04W16/10
Inventor 赵峰苗彦涛陈宏滨
Owner GUILIN UNIV OF ELECTRONIC TECH
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