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Positioning information assisted beam control method based on intelligent reflecting surface

A beam control and positioning information technology, which is applied in the field of positioning information-assisted beam control based on intelligent reflectors, can solve problems such as inability to obtain user terminal channel state information, and intelligent reflectors without digital signal processing capabilities.

Active Publication Date: 2020-06-05
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the smart reflector does not have the ability to process digital signals, and cannot obtain the channel state information of the user terminal from the pilot signal of the user terminal

Method used

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  • Positioning information assisted beam control method based on intelligent reflecting surface
  • Positioning information assisted beam control method based on intelligent reflecting surface
  • Positioning information assisted beam control method based on intelligent reflecting surface

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Embodiment Construction

[0030] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0031] Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiment...

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Abstract

The invention discloses a positioning information assisted beam control method based on an intelligent reflecting surface. The intelligent reflecting surface can calculate and adjust the parameters ofthe intelligent reflecting surface according to the beam direction information transmitted by a base station, and enables a beam to point to a serving user terminal; the intelligent reflecting surface can perform parameter configuration efficiently, and achieves the precise beam control; in addition, a base station does not need to know complete channel state information, the base station realizes accurate positioning of the user terminal according to the results of corresponding angle estimation and flight time estimation; under the assistance of positioning information, the accurate controlof beams can be realized, the overhead of beam control can be effectively reduced, and the energy utilization rate of the system is improved. The positioning information assisted wave beam control method based on the intelligent reflecting surface is wide in application range, and is suitable for millimeter wave communication, terahertz communication and free space optical communication.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a positioning information-assisted beam control method based on an intelligent reflecting surface. Background technique [0002] Enhanced mobile broadband, massive machine-type communications, and ultra-reliable and low-latency communications are three typical application scenarios for 5G mobile communications. The integration of 5G mobile communications with new technologies such as big data, artificial intelligence, and cloud computing has given birth to new applications and new business models. my country's three major operators have begun to deploy 5G mobile communication base stations, and 5G mobile communication is gradually commercialized. In the next 5 to 10 years, 5G mobile communications will play a very important role. Air, space, ground, and sea mobile communication networks will be an inevitable trend in the development of post-5G mobile comm...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04B7/145H04W4/02H04W64/00
CPCH04B7/0617H04B7/145H04W4/023H04W64/006G01S5/0273H04B7/04013
Inventor 吴亮袁华晨张在琛党建李弈文龚子轶刘鹏
Owner SOUTHEAST UNIV
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