Linear polarization scattering reconfigurable array antenna

By using varactor diodes and transmission phase shifters in a scattering reconfigurable array antenna, combined with inductor and dielectric substrate design, the problems of complex control and low efficiency in the prior art are solved, achieving flexible scattering beam control and high-efficiency response speed.

CN121484415AActive Publication Date: 2026-02-06CHENGDU RDW TECH CO LTD +1
6 Cites 2 Cited by

Patent Information

Application Number
CN202610024971.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-09
Publication Date
2026-02-06
Estimated Expiration
2046-01-09

AI Technical Summary

Technical Problem

In the existing technology, scattering reconfigurable array antennas have shortcomings in terms of control complexity, response speed and radiation efficiency. In particular, the limited states of the switching diodes restrict the beam control states, increasing the design difficulty.

Method used

By employing varactor diodes and transmission-type phase shifters, and by adjusting the DC bias voltage across the varactor diodes, combined with the design of inductors, metal short-circuit posts, and dielectric substrates, flexible control of the antenna's scattered beam is achieved, enhancing response speed and radiation efficiency.

Benefits of technology

It enables flexible control of the antenna's scattered beam, featuring flexible control, fast response speed, and high radiation efficiency, thereby improving the reconfigurable scattering performance of the array antenna.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention discloses a linear polarization scattering reconfigurable array antenna, which belongs to the technical field of antenna manufacturing and comprises an antenna unit, an extension socket, a transmission type phase shifter and an inductor. The antenna unit comprises a radiation patch, a first dielectric substrate, a metal via hole, a metal patch, a second dielectric substrate, a perforated metal floor, a third dielectric substrate, a feed metal column and a radio frequency coaxial connector, the radio frequency coaxial connector is connected with the radiation patch through the feed metal column, and a variable capacitance diode and a capacitor are arranged on the transmission type phase shifter. The transmission type phase shifter is connected with the radiation patch through the feed metal column, the variable capacitance diode is connected with the punching metal floor, the bottom of the third dielectric substrate is provided with a direct current bias line, the direct current bias line is connected with the transmission type phase shifter through the inductor, and the transmission type phase shifter is connected with the radiation patch through the feed metal column. According to the invention, flexible regulation and control of antenna scattering beams can be realized, and the antenna has the characteristics of flexible control, fast response speed and high radiation efficiency.
Need to check novelty before this filing date? Find Prior Art