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A d2d cooperative relay power control method based on q-learning under full-duplex active eavesdropping

A cooperative relay and power control technology, applied in power management, machine-to-machine/machine-type communication services, digital transmission systems, etc., can solve problems such as inability to realize D2D data transmission

Active Publication Date: 2021-03-19
ARMY ENG UNIV OF PLA
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  • Abstract
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  • Application Information

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Problems solved by technology

If full-duplex D2D users are used for cooperative relay, the physical layer security performance of cellular users can be improved to the greatest extent, but the transmission of D2D own data cannot be realized. Therefore, the joint use of D2D cooperative relay and friendly interference mode can maximize Taking into account the physical layer security performance of cellular users and the transmission requirements of D2D users

Method used

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  • A d2d cooperative relay power control method based on q-learning under full-duplex active eavesdropping
  • A d2d cooperative relay power control method based on q-learning under full-duplex active eavesdropping
  • A d2d cooperative relay power control method based on q-learning under full-duplex active eavesdropping

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Embodiment Construction

[0070] Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein.

[0071] A D2D cooperative relay power control method based on Q learning under full-duplex active eavesdropping, the method includes the following steps:

[0072] 1) Initialize system parameters: the number of iterations in the inner layer t = 0, the number of iterations in the outer loop k = 0, and the Q value of the D2D user and the active eavesdropper;

[0073] and make q il Indicates the probability that the i-th D2D user selects the l-th transmission power value in the discrete power set, where i represents the number of the D2D user, Indicates the set of D2D users, l indicates the number of the optional transmission pow...

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Abstract

The invention provides a Q learning-based D2D cooperative relay power control method under full duplex active eavesdropping. In a condition of full duplex active eavesdroppers existing in a cellular system, a Q learning-based hierarchical learning algorithm is adopted, the jamming power of the active eavesdropper and the transmitting power of D2D cooperative relay and friendly jamming are updatedsuccessively, and the physical layer security performance of the cellular system is thus enhanced.

Description

technical field [0001] The present invention relates to a Q-learning-based D2D cooperative relay power control method under full-duplex active eavesdropping, specifically a method for improving the security performance of a cellular network physical layer by adopting a Q-learning-based D2D cooperative relay power update strategy. The invention belongs to the technical field of power control in wireless communication. Background technique [0002] According to information theory, when the channel gain between legal transceivers is better than the channel gain between legal transmitters and eavesdroppers, the security of sending information can be perfectly guaranteed without being intercepted and decoded by eavesdroppers . This is the basic premise to ensure the security performance of the physical layer of information, and it is also the direction to improve the security of the physical layer. Many technologies, including multi-antenna, cooperative relay, and artificial int...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W52/24H04L12/24
CPCH04L41/145H04W52/243H04W4/70
Inventor 王金龙罗屹洁程云鹏杨旸崔丽郑学强
Owner ARMY ENG UNIV OF PLA
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