Multi-frequency multi-port base station antenna with combining paths

By introducing a combining design into the base station antenna, inserting the low-frequency radiation array between the high-frequency arrays, and combining the high-frequency and low-frequency phase-shifting feed modules, the problems of large size and heavy weight of traditional multi-frequency multi-port antennas are solved, achieving a compact, lightweight communication effect with high signal purity.

CN224520196UActive Publication Date: 2026-07-17GUANGDONG SHANGZHUO COMM TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG SHANGZHUO COMM TECH CO LTD
Filing Date
2025-07-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional multi-frequency multi-port base station antennas are large in size and heavy in weight, making them difficult to install and maintain, and they have poor compatibility in space-constrained environments.

Method used

The base station antenna adopts a multi-frequency, multi-port design with combiner. Multiple high-frequency arrays and a set of low-frequency arrays are set on the main reflector base plate. The low-frequency radiating array is inserted between the high-frequency radiating arrays. Combined with high-frequency and low-frequency phase-shifting feed modules and multi-frequency combiners, the signal combining is optimized and interference is reduced.

Benefits of technology

It achieves a compact and lightweight design, reducing antenna size and weight, improving signal purity and communication quality, and is suitable for high-density network scenarios.

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Abstract

The utility model relates to antenna equipment technical field especially is involved in a kind of multi-frequency multi-port base station antenna with combined road, it includes main reflection bottom plate, four groups high frequency array and low frequency array in four groups high frequency array are misaligned and are arranged.Low frequency array is provided with multiple low frequency radiating units.Multiple high frequency phase shift feed modules that are electrically connected with high frequency radiating unit, multiple low frequency phase shift feed modules that are electrically connected with low frequency radiating unit and multi-frequency combiner are provided on the back of main reflection bottom plate.Multiple columns of high frequency array and a group of low frequency array are simultaneously provided on main reflection bottom plate, and low frequency radiating array is ingeniously inserted between high frequency radiating array, compact structure and lightweight design, and multi-band function is realized by integrated design, while keeping antenna volume and weight controllable.
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Claims

1. A multi-band multi-port base station antenna with a band combining, characterized in that, The system includes a main reflector plate (2), four high-frequency arrays, and a low-frequency array staggered among the four high-frequency arrays. The four high-frequency arrays are arranged sequentially along the width direction of the front of the main reflector plate (2) as a first high-frequency array (Y1), a second high-frequency array (Y2), a third high-frequency array (Y3), and a fourth high-frequency array (Y4). Each of the first high-frequency array (Y1), the second high-frequency array (Y2), the third high-frequency array (Y3), and the fourth high-frequency array (Y4) is provided with multiple high-frequency radiation units (4). The low-frequency array is provided with multiple low-frequency radiation units (5). The back of the main reflector plate (2) is provided with multiple high-frequency phase-shifting feed modules electrically connected to the high-frequency radiation units (4), multiple low-frequency phase-shifting feed modules electrically connected to the low-frequency radiation units (5), and a multi-frequency combiner (6).

2. The multi-band multi-port base station antenna with corporate feeds of claim 1, wherein, The first high-frequency array (Y1) is flush with the third high-frequency array (Y3), and the second high-frequency array (Y2) is flush with the fourth high-frequency array (Y4). The first group of high-frequency radiation units (4) at one end of the first high-frequency array (Y1) and the third high-frequency array (Y3) is located near one end of the main reflector plate (2), and the first group of high-frequency radiation units (4) at the second high-frequency array (Y2) and the fourth high-frequency array (Y4) is located near the other end of the main reflector plate (2).

3. The corporate-fed multi-frequency multi-port base station antenna of claim 2, wherein, The first vertical spacing (d1) between two adjacent high-frequency radiation units (4) in each high-frequency oscillating column is set to be the same; the column spacing (d2) between two adjacent high-frequency arrays is set to be the same.

4. The corporate-fed multi-frequency multi-port base station antenna of claim 3, wherein, The first vertical spacing (d1) is set to a range of 100mm-130mm, and the column spacing (d2) is set to a range of 90mm-110mm.

5. The multi-band multi-port base station antenna with corporate feeds of claim 2, wherein, Each high-frequency array includes a first array section (31) and a second array section (32). The first array section (31) and the second array section (32) are staggered along the width direction, and the second array sections (32) of two adjacent high-frequency arrays are staggered along the horizontal direction.

6. The multi-band multi-port base station antenna with corporate feeds of claim 1, wherein, Each column of the high-frequency array is provided with 12 high-frequency radiation units (4), and the low-frequency array is provided with 8 low-frequency radiation units (5).

7. The multi-frequency multi-port base station antenna with combining capability according to claim 1, characterized in that, The multi-frequency multi-port base station antenna with combined circuit also includes a first end cap (121) disposed at one end of the main reflector plate (2) and six sets of connector units disposed on the first end cap (121); each set of connector units includes two connectors (7); each column of the high-frequency array is electrically connected to one set of connector units, and the low-frequency array is electrically connected to two sets of connector units.

8. The corporate-fed multi-frequency multi-port base station antenna of claim 7, wherein, The first end cap (121) has three sets of connector units at both ends, and the six sets of connector units are symmetrically arranged along the central axis of the main reflector plate (2). The two outermost sets of connector units are electrically connected to the low frequency array.

9. The multi-band multi-port base station antenna of claim 1, wherein, The high-frequency phase-shifting power supply module includes four high-frequency phase shifters (81) spaced apart on the main reflector plate (2) and multiple sets of high-frequency common plates (82); multiple sets of high-frequency radiation units (4) are connected through the high-frequency phase shifters (81) and the high-frequency common plates (82) to form a power supply network.

10. The multi-band multi-port base station antenna with corporate feeds of claim 1, wherein, The low-frequency phase-shifting power supply module includes a low-frequency phase shifter (91) and multiple sets of low-frequency common plates (92) disposed on the main reflector base plate (2); the low-frequency phase shifter (91) is configured as two layers; Multiple sets of the low-frequency radiation units (5) are connected through the high-frequency phase shifter (81) and the high-frequency dividing plate (82) to form a power supply network.