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Aperture array receiver, design method and device thereof, electronic equipment and medium

A design method and receiver technology, applied in the field of communication, can solve the problems of interference suppression research but few

Active Publication Date: 2021-05-14
PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the research on VLC focuses on how to improve the capacity of a single cell, but there is little research on interference suppression between cells

Method used

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  • Aperture array receiver, design method and device thereof, electronic equipment and medium
  • Aperture array receiver, design method and device thereof, electronic equipment and medium
  • Aperture array receiver, design method and device thereof, electronic equipment and medium

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0039] like figure 1 As shown, is a schematic diagram of a typical indoor multi-cell VLC system provided by the embodiment of the present application. In a multi-cell VLC system, the area covered by the light emitted by each light-emitting diode is a cell. When a communication terminal (such as a mobile phone, tablet computer, etc.) is located in any cell, the receiver in the communication terminal can receive the light. signal for optical communication. In order to ensure the con...

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Abstract

The embodiment of the invention discloses an aperture array receiver and a design method and device thereof, electronic equipment and a medium, the aperture array receiver comprises a plurality of receiving units, the plurality of receiving units are arranged in a central symmetry mode, and each receiving unit comprises a photodiode and an aperture used for transmitting light. The design method comprises: obtaining signal to interference plus noise ratio (SINR) functions of the aperture array receiver at K indoor random positions, wherein the SINR function at each random position represents an incidence relation between the SINR at the random position and an aperture on a receiving unit and an incidence relation between the aperture and an offset distance of a photodiode in a horizontal direction; obtaining the variance and mean value of the SINR functions at the K random positions; and determining the size of the aperture on the receiving unit and the offset distance between the aperture and the photodiode in the horizontal direction by minimizing the ratio of the variance to the mean value as a target. And the purpose of suppressing the inter-cell interference is achieved.

Description

technical field [0001] The present application relates to the technical field of communication, and more specifically, relates to an aperture array receiver and its design method, device, electronic equipment and medium. Background technique [0002] Visible Light Communication (Visible Light Communication, VLC), also known as Light Fidelity (Light Fidelity, Li-Fi), is the use of light-emitting diodes (LEDs) to achieve lighting and communication requirements. It is high-speed, green, safe, license-free and adaptable. It is a strong supplement to the existing radio frequency (Radio Frequency, RF) system because of its characteristics of working in a strong electromagnetic interference environment. [0003] In a multi-cell VLC system, there are multiple light-emitting diodes, and the area covered by the radiation beam of each light-emitting diode is a cell. When the communication terminal is located in any cell, the receiver in the communication terminal can receive the optica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/116H04B10/079
CPCH04B10/116H04B10/07953
Inventor 王超亢令川朱义君汪涛任嘉伟张艳语薛婧姝杜笑笑穆昱
Owner PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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