Low-cost planar phased-array antenna for low-orbit satellite communication and method for realizing phased-array scanning by using low-cost planar phased-array antenna

A phased array antenna and satellite communication technology, applied in the direction of antenna array, antenna, specific array feeding system, etc., can solve the difficult problems of antenna low-profile structure, complex feeding network, low efficiency, etc., to achieve beneficial Large-scale phased array design, small size, and multi-mode effects
CN111430898AInactive Publication Date: 2020-07-17成都环宇远景科技有限责任公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
成都环宇远景科技有限责任公司
Publication Date
2020-07-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a design of a low-cost planar phased-array antenna for low-orbit satellite communication and a method for realizing phased-array scanning by using the low-cost planar phased-array antenna. The method mainly comprises the following steps: S1, setting Nx * Ny array elements for a phased-array antenna, correspondingly providing Nx * Ny feeding points, and regularly arranging the Nx * Ny feeding points in a rectangular grid shape: the distance between two adjacent feeding points in the horizontal direction is dx, and the distance between two adjacent feeding points in the vertical direction is dy; S2, controlling the on-off of the PIN diode to feed each array element in different directions to realize the equivalent space rotation of the array element; and S3, feeding the Nx * Ny array elements, and controlling on / off of PIN diodes on the antenna units through direct current to obtain different phase distributions so as to realize two-dimensional scanning of the phased array.
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Description

technical field

[0001] The invention relates to the field of phased array design, and in particular proposes an effective method for the low-cost design of a low-orbit satellite communication plate phased array antenna. Background technique

[0002] With the rapid development of applications such as mobile broadband and the Internet of Things, satellite communication technology and the information and communication industry are undergoing rapid changes. Satellite communication technology, as the name implies, refers to the communication method that uses artificial earth satellites as relay stations to realize the reception or emission of electromagnetic waves of communication base stations on the earth. It can achieve radio wave communication between two or more base stations, and has a wide coverage. The advantages of large communication capacity and secure information transmission make it play a key role in the new generation of communication systems, not only in the milit...

Claims

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