Charged tuning of multi-beam multiband antennas
Patent Information
- Application Number
- CN202521882000.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-02
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-09-02
AI Technical Summary
[0008]本实用新型可以显著提升通信性能、增强系统集成度与灵活性并降低部署与运维成本,并可扩展应用场景。
Smart Images

Figure CN224789941U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of antennas in radio technology, and specifically discloses a multi-beam multi-band antenna with electrical modulation. Background Technology
[0002] Electrically modulated multi-beam multi-band antennas are a key technology for responding to the flexibility and intelligence of communication systems. Their development relies on the progress of reconfigurable materials, integrated circuits and intelligent algorithms, and will further develop towards ultra-wideband, metasurface integration and AI dynamic control in the future. Summary of the Invention
[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a multi-beam multi-band antenna with electrical modulation.
[0004] According to the technical solution provided by this utility model, the electrically adjustable multi-beam multi-band antenna includes an end cap, a reflector, a low-frequency vibrator, a 2G vibrator, a low-frequency Blass matrix, a 2G Blass matrix, a low-frequency phase shifter, a 2G phase shifter, a low-frequency electronic downtilt adjuster, and a 2G electronic downtilt adjuster. A reflector is fixed on the end cap. An array of low-frequency oscillators and an array of 2G oscillators are fixed on the front of the reflector. A low-frequency Blass matrix, a 2G Blass matrix, a low-frequency phase shifter, a 2G phase shifter, a low-frequency electronic downtilt adjuster, and a 2G electronic downtilt adjuster are fixed on the back of the reflector. The low-frequency oscillators are electrically connected to the low-frequency Blass matrix via coaxial lines. The low-frequency Blass matrix is electrically connected to the low-frequency phase shifter via coaxial lines. The 2G oscillators are electrically connected to the 2G Blass matrix via coaxial lines. The 2G Blass matrix is electrically connected to the 2G phase shifter via coaxial lines. The movable end of the low-frequency electronic downtilt adjuster is connected to the slider of the low-frequency phase shifter, and the movable end of the 2G electronic downtilt adjuster is connected to the slider of the 2G phase shifter.
[0005] Preferably, a low-frequency vibrator support frame is fixed on the front of the reflector.
[0006] Preferably, both the low-frequency Blass matrix and the 2G Blass matrix are multi-layer PCB structures.
[0007] Preferably, an isolation strip is fixed to the front of the reflector.
[0008] This invention can significantly improve communication performance, enhance system integration and flexibility, reduce deployment and maintenance costs, and expand application scenarios. Attached Figure Description
[0009] Figure 1 This is the front view of this utility model.
[0010] Figure 2 This is a top view of the present invention.
[0011] Figure 3 This is a bottom view of the present invention. Detailed Implementation
[0012] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0013] A multi-beam multi-band antenna with electrical modulation, such as Figure 1-3 As shown, it includes an end cap 1, a reflector 2, a low-frequency vibrator 3, a 2G vibrator 4, a low-frequency Blass matrix 5, a 2G Blass matrix 6, a low-frequency phase shifter 7, a 2G phase shifter 8, a low-frequency electronic downtilt adjuster 9, and a 2G electronic downtilt adjuster 10. A reflector 2 is fixed to the end cap 1. On the front of the reflector 2, an array of low-frequency vibrators 3 and an array of 2G vibrators 4 are fixed. On the back of the reflector 2, a low-frequency Blass matrix 5, a 2G Blass matrix 6, a low-frequency phase shifter 7, a 2G phase shifter 8, a low-frequency electronic downtilt adjuster 9, and a 2G electronic downtilt adjuster 10 are fixed. The low-frequency vibrators 3 are electrically connected to the low-frequency Blass matrix 5 via coaxial lines. The low-frequency Blass matrix 5 is electrically connected to the low-frequency phase shifter 7 via coaxial lines. The 2G vibrators 4 are electrically connected to the 2G Blass matrix 6 via coaxial lines. Blass matrix 6 is electrically connected to 2G phase shifter 8 via a coaxial line. The movable end of the low-frequency electronic downtilt adjuster 9 is connected to the slider of the low-frequency phase shifter 7 to control the downtilt angle of the low-frequency phase shifter 7. The movable end of the 2G electronic downtilt adjuster 10 is connected to the slider of the 2G phase shifter 8 to control the downtilt angle of the 2G phase shifter 8.
[0014] A low-frequency vibrator support frame 11 is fixed on the front of the reflector plate 2. The low-frequency vibrator support frame 11 can support the low-frequency vibrator 3 to prevent the low-frequency vibrator 3 from shaking.
[0015] Both the low-frequency Blass matrix 5 and the 2G Blass matrix 6 are multi-layer PCB structures.
[0016] An isolation strip 12 is fixed to the front of the reflector 2 to improve the isolation.
[0017] In this invention, the low-frequency oscillator 3 covers the 617MHz-896MHz frequency band, and the 2G oscillator 4 covers the 1695MHz-2690MHz frequency band.
[0018] In this invention, an array of low-frequency vibrators 3 and an array of 2G vibrators 4 are fixed on the front of the reflector 2, giving both the 617MHz-896MHz and 1695MHz-2690MHz frequency band signals multi-beam characteristics. This allows them to cover a wider area, significantly improving communication performance, enhancing system integration and flexibility, and reducing deployment and maintenance costs. The low-frequency electronic downtilt adjuster 9 controls the downtilt angle of the low-frequency phase shifter 7, and the 2G electronic downtilt adjuster 10 controls the downtilt angle of the 2G phase shifter 8, enabling the multi-beam multi-band antenna of this invention to expand its application scenarios.
[0019] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.
Claims
1. An electrically adjustable multi-beam multi-band antenna, comprising an end cap (1), a reflector (2), a low-frequency vibrator (3), a 2G vibrator (4), a low-frequency Blass matrix (5), a 2G Blass matrix (6), a low-frequency phase shifter (7), a 2G phase shifter (8), a low-frequency electronic downtilt adjuster (9), and a 2G electronic downtilt adjuster (10); Its characteristics are: in A reflector (2) is fixed on the end cap (1). On the front of the reflector (2) are an array of low-frequency oscillators (3) and an array of 2G oscillators (4). On the back of the reflector (2) are a low-frequency Blass matrix (5), a 2G Blass matrix (6), a low-frequency phase shifter (7), a 2G phase shifter (8), a low-frequency electronic downtilt adjuster (9), and a 2G electronic downtilt adjuster (10). The low-frequency oscillator (3) is electrically connected to the low-frequency Blass matrix (5) via a coaxial line. The low-frequency Blass matrix (5) is electrically connected to the low-frequency phase shifter (7) via a coaxial line. The 2G oscillator (4) is electrically connected to the 2G Blass matrix (6) via a coaxial line. The Blass matrix (6) is electrically connected to the 2G phase shifter (8) via a coaxial line. The movable end of the low-frequency electronic downtilt adjuster (9) is connected to the slider of the low-frequency phase shifter (7). The movable end of the 2G electronic downtilt adjuster (10) is connected to the slider of the 2G phase shifter (8).
2. The electrically adjustable multi-beam multi-band antenna as described in claim 1, characterized in that: A low-frequency oscillator support frame (11) is fixed on the front of the reflector (2).
3. The electrically adjustable multi-beam multi-band antenna as described in claim 1, characterized in that: Both the low-frequency Blass matrix (5) and the 2G Blass matrix (6) are multi-layer PCB structures.
4. The electrically adjustable multi-beam multi-band antenna as described in claim 1, characterized in that: An isolation strip (12) is fixed on the front of the reflector (2).