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Short data packet transmission method of multi-antenna intelligent reflective surface system

A reflective surface, short data packet technology, applied in the field of mobile communication, can solve the problems affecting the intelligence and stability of the industrial Internet, affecting the accurate and timely transmission of control information, etc., to improve transmission reliability and reduce system delay. Effect

Pending Publication Date: 2022-03-04
MINZU UNIVERSITY OF CHINA
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Problems solved by technology

It can be seen that the short data packet transmission method of the multi-antenna smart reflective surface directly affects the accurate and timely transmission of the control information of the Industrial Internet of Things, and further affects the intelligence and stability of the Industrial Internet.

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  • Short data packet transmission method of multi-antenna intelligent reflective surface system

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Embodiment Construction

[0028] The core idea of ​​the present invention is that, with the introduction of the intelligent reflective surface, the channel quality can be improved, the transmission rate of the system can be increased, and the transmission delay and error probability can be reduced. The present invention proposes a deployment method and a transmission method of an intelligent reflective surface based on deep reinforcement learning in the short data packet scenario of controlling information transmission in the industrial Internet, and provides a transmission method of dynamic data packet length, in which The number of reflective elements out of the cooperative intelligent reflective surface reduces the time delay and block error probability of system transmission.

[0029] see figure 1 , an embodiment of the present invention provides a multi-antenna smart reflective surface system short data packet transmission method, specifically a deployment and transmission method for multi-antenna...

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Abstract

The invention discloses a short data packet transmission method for a multi-antenna intelligent reflection surface system, and the method employs deep reinforcement learning, gives consideration to the time delay and error probability of the intelligent reflection surface transmission system under a short data packet condition, designs a reward function, and carries out the transmission of a short data packet according to the characteristics of short data transmission. A short data packet length, the number of intelligent reflection surface elements, sending power and a beam forming matrix of a base station and an intelligent reflection surface are given, the transmission reliability of the system is improved, and the time delay of the system is reduced.

Description

technical field [0001] The invention belongs to the field of mobile communication, and in particular relates to a short data packet transmission method of a multi-antenna intelligent reflective surface system. Background technique [0002] At present, short data packet transmission methods are all carried out in traditional control systems, which involve multi-antenna systems. However, Intelligent Reconfigurable Surface (IRS) is widely deployed in future wireless communication systems due to its simple deployment, low cost and dynamic adjustment of reflection phase. Especially in the Industrial Internet of Things, the deployment of multi-antenna technology and smart reflective surfaces can effectively transmit control information and reduce latency. [0003] With the deployment of the Industrial Internet of Things, jointly optimizing the beamforming of multiple antennas and the reflection phase of the smart reflective surface can improve the transmission rate of the system,...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04B7/08H04L25/02
CPCH04B7/0617H04B7/0626H04B7/086H04L25/0254H04B7/04013
Inventor 贾玲玲曲德阳武永珍张家尧
Owner MINZU UNIVERSITY OF CHINA
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