Dual circular polarization 5g millimeter wave radiating element

Abstract

The utility model discloses a kind of dual circular polarization 5G millimeter wave radiation units, including dielectric substrate, and dielectric substrate is sequentially spaced from bottom to top by stratum, coupler and square radiation patch, coupler includes first branch, second branch and two third branches of symmetric setting, two ends of first branch are connected with two third branches respectively, two ends of second branch are connected with two third branches respectively, one end of third branch is equipped with antenna feed point, metalization hole for passing through antenna feed point and square radiation patch is equipped in dielectric substrate, another end left-handed circular polarized feed point of a third branch, another end right-handed circular polarized feed point of another third branch, when dual circular polarization 5G millimeter wave radiation unit is perspective from overhead perspective, coupler is about the diagonal line symmetry of square radiation patch with a pair of. This dual circular polarization 5G millimeter wave radiation unit structure is simple and novel, can cover n258 frequency band, with good signal anti-interference ability.

Description

Technical Field

[0001] This utility model relates to the field of antenna technology, and in particular to a dual-circularly polarized 5G millimeter-wave radiating unit. Background Technology

[0002] The rapid development of 5G networks marks a new era in communication technology. In this transformation, millimeter wave technology, as one of the core components of 5G communication, plays a crucial role. Compared to traditional frequency bands (Sub-6GHz), millimeter waves offer higher frequencies and greater bandwidth, enabling 5G to provide ultra-high-speed data transmission rates to meet the ever-increasing data demands.

[0003] Despite the significant technological advantages of millimeter waves, their application faces numerous challenges, particularly in transmission performance, mainly due to unsatisfactory signal anti-interference capabilities and complex structures. Utility Model Content

[0004] The technical problem solved by this utility model is to provide a simple dual-circularly polarized 5G millimeter-wave radiating unit that is suitable for the n258 frequency band.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a dual-circularly polarized 5G millimeter-wave radiating unit, including a dielectric substrate, on which a ground layer, a coupler, and a square radiating patch are arranged sequentially from bottom to top. The coupler includes a first branch, a second branch, and two symmetrically arranged third branches. The two ends of the first branch are respectively connected to the two third branches, and the two ends of the second branch are respectively connected to the two third branches. One end of the third branch is provided with an antenna feed point. The dielectric substrate is provided with a metallized hole that conducts the antenna feed point and the square radiating patch. The other end of one third branch is a left-hand circularly polarized feed point, and the other end of the other third branch is a right-hand circularly polarized feed point. When the dual-circularly polarized 5G millimeter-wave radiating unit is viewed from a top angle, the coupler is symmetrical about a diagonal of the square radiating patch.

[0006] In one embodiment, the third stub includes a first segment and a second segment that are vertically connected, the first stub and the second stub being respectively connected to the first segment, and the antenna feed point being located on the second segment and away from the first segment.

[0007] In one embodiment, the first branch and the second branch are parallel to the second segment, respectively.

[0008] In one embodiment, when viewed from above, the square radiating patch covers the entire area of ​​the second segment.

[0009] In one embodiment, a chamfer is provided on the outer side of the connection between the first segment and the second segment.

[0010] In one embodiment, the outer edge of the first segment has an outwardly protruding section, the length of which is less than the length of the first segment.

[0011] In one embodiment, when viewed from above, the square radiating patch covers a portion of one end of the protruding segment.

[0012] In one embodiment, the distance between the first branch and the second segment is greater than the distance between the second branch and the second segment, so that when viewed from above, the square radiating patch covers the entire area of ​​the second branch.

[0013] In one embodiment, when viewed from above, the square radiating patch covers a portion of the central area of ​​the first branch.

[0014] In one embodiment, when viewing the dual-circularly polarized 5G millimeter-wave radiating unit from a top-down perspective, both the left-hand circularly polarized feed point and the left-hand circularly polarized feed point are located outside the coverage area of ​​the square radiating patch.

[0015] The beneficial effects of this utility model are as follows: This dual-circularly polarized 5G millimeter-wave radiating unit has a simple and novel structure, low processing difficulty, and can effectively cover the n258 frequency band; it adopts a structure of coupler combined with square radiating patch, and uses a four-port directional coupler to feed the patch antenna. The two output ports of the coupler (i.e., antenna feed points) are respectively connected to a set of adjacent positions of the adjacent sides of the square radiating patch. Circular polarization is achieved by utilizing the 90-degree phase difference of the coupler output ports. At the same time, the input port and isolation port of the coupler serve as left-hand circularly polarized feed points and right-hand circularly polarized feed points for signal feeding, respectively, realizing left-hand and right-hand circular polarization. The dual-circularly polarized radiating unit has good signal anti-interference capability, can reduce the influence of multipath effect and atmospheric refraction, and gives the radiating unit high performance. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a perspective view of the dual-circularly polarized 5G millimeter-wave radiating unit of Embodiment 1;

[0018] Figure 2 This is a perspective view of the dual-circularly polarized 5G millimeter-wave radiating unit of Embodiment 1 from a top-down perspective.

[0019] Figure 3 The image shows the S-parameter simulation curves of the dual-circularly polarized 5G millimeter-wave radiating unit in Example 1.

[0020] Figure 4 The radiation pattern of the dual-circularly polarized 5G millimeter-wave radiating element in Example 1 at 24.25 GHz;

[0021] Figure 5 The radiation pattern of the dual-circularly polarized 5G millimeter-wave radiating unit in Example 1 at 26 GHz;

[0022] Figure 6 The radiation pattern of the dual-circularly polarized 5G millimeter-wave radiating unit in Example 1 at 27.5 GHz;

[0023] Figure 7 The image shows the axial ratio simulation curve of the dual-circularly polarized 5G millimeter-wave radiating unit in Example 1.

[0024] Explanation of icon numbers:

[0025] 1. Dielectric substrate; 11. Lower substrate; 12. Upper substrate;

[0026] 2. Strata;

[0027] 3. Coupler; 31. First branch; 32. Second branch; 33. Third branch; 331. First segment; 332. Second segment; 333. Tangent line; 334. Protruding segment;

[0028] 4. Square radiating patch;

[0029] 5. Antenna feed point;

[0030] 6. Metallized holes;

[0031] 7. Left-handed circularly polarized feed point;

[0032] 8. Right-hand circular polarization feed point. Detailed Implementation

[0033] The purpose, features, and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings.

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0035] It should be noted that if the embodiments of this utility model involve directional indicators such as up, down, left, right, front, back, etc., the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indicators will also change accordingly.

[0036] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features.

[0037] Furthermore, if the meaning of "and / or" appears throughout the text, it refers to three parallel solutions. For example, "and / or" includes solution 1, solution 2, and solution 3, which simultaneously satisfy the above conditions. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0038] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0039] Example 1

[0040] Please refer to Figures 1 to 7 Embodiment 1 of this utility model is as follows: Figure 1 and Figure 2As shown, a dual-circularly polarized 5G millimeter-wave radiating unit includes a dielectric substrate 1. A ground layer 2, a coupler 3, and a square radiating patch 4 are sequentially arranged from bottom to top on the dielectric substrate 1. The coupler 3 includes a first branch 31, a second branch 32, and two symmetrically arranged third branches 33. The two ends of the first branch 31 are respectively connected to the two third branches 33, and the two ends of the second branch 32 are respectively connected to the two third branches 33. One end of each third branch 33 has an antenna feed point 5. The dielectric substrate 1 has a metallized hole 6 that connects the antenna feed point 5 to the square radiating patch 4. The other end of one third branch 33 has a left-hand circularly polarized feed point 7, and the other end of the other third branch 33 has a right-hand circularly polarized feed point 8. When viewed from above, the coupler 3 is symmetrical about a diagonal of the square radiating patch 4.

[0041] In this embodiment, the dielectric substrate 1 includes a lower substrate 11 and an upper substrate 12, and the ground layer 2, the lower substrate 11, the coupler 3, the upper substrate 12 and the square radiating patch 4 are stacked and connected in sequence from bottom to top.

[0042] The third branch 33 includes a first segment 331 and a second segment 332 that are vertically connected. The two second segments 332 are close to each other. The first branch 31 and the second branch 32 are respectively connected to the first segment 331. The antenna feed point 5 is located on the second segment 332 and away from the first segment 331. The first branch 31 and the second branch 32 are parallel to the second segment 332.

[0043] In some embodiments, when viewed from above as a dual-circularly polarized 5G millimeter-wave radiating unit, the square radiating patch 4 covers the entire area of ​​the second segment 332. In this embodiment, a chamfer is provided on the outer side of the connection between the first segment 331 and the second segment 332, and the chamfer line 333 is parallel to the edge of the adjacent square radiating patch 4. The presence of the chamfer allows the square radiating patch 4 to cover the entire area of ​​the second segment 332.

[0044] The outer edge of the first segment 331 has an outwardly protruding segment 334, the length direction of which is consistent with the length direction of the first segment 331, and the length of the protruding segment 334 is less than the length of the first segment 331. In one or more embodiments, when the dual-circularly polarized 5G millimeter-wave radiating unit is viewed from a top-down perspective, the square radiating patch 4 covers a portion of one end of the protruding segment 334.

[0045] The distance between the first branch 31 and the second segment 332 is greater than the distance between the second branch 32 and the second segment 332. When viewed from above, the square radiating patch 4 covers the entire area of ​​the second branch 32.

[0046] In some embodiments, when viewed from above, the square radiating patch 4 covers a portion of the central area of ​​the first branch 31.

[0047] When viewed from above, the dual-circularly polarized 5G millimeter-wave radiating unit is located outside the coverage area of ​​the square radiating patch 4.

[0048] Figure 3 The following is a simulated S-parameter curve of the dual-circularly polarized 5G millimeter-wave radiating element of Embodiment 1. Figure 3 As can be seen from this, the dual-circularly polarized 5G millimeter-wave radiation unit has low backoff loss.

[0049] Figure 4 The radiation pattern of the dual-circularly polarized 5G millimeter-wave radiating element of Embodiment 1 at 24.25 GHz is shown;

[0050] Figure 5 The radiation pattern of the dual-circularly polarized 5G millimeter-wave radiating element in Embodiment 1 at 26 GHz is shown.

[0051] Figure 6 The radiation pattern of the dual-circularly polarized 5G millimeter-wave radiating element of Embodiment 1 at 27.5 GHz is shown;

[0052] from Figures 4 to 6 It can be seen that the radiation pattern of this dual-circularly polarized 5G millimeter-wave radiation unit is symmetrical and without variation, and has good radiation characteristics.

[0053] Figure 7 The simulation curve of the axial ratio of the dual-circularly polarized 5G millimeter-wave radiating unit in Embodiment 1 is shown. Figure 7 As can be seen, this dual-circularly polarized 5G millimeter-wave radiating unit has an axial ratio of less than 3dB across the entire frequency band, exhibiting good circular polarization characteristics.

[0054] The above are merely optional embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the contents of this utility model specification and drawings under the utility model concept, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A dual-circularly polarized 5G millimeter-wave radiating unit, characterized in that: The device includes a dielectric substrate on which a ground layer, a coupler, and a square radiating patch are sequentially arranged from bottom to top. The coupler includes a first branch, a second branch, and two symmetrically arranged third branches. The two ends of the first branch are respectively connected to the two third branches, and the two ends of the second branch are respectively connected to the two third branches. One end of the third branch is provided with an antenna feed point. The dielectric substrate is provided with a metallized hole that connects the antenna feed point and the square radiating patch. The other end of one third branch is a left-hand circularly polarized feed point, and the other end of the other third branch is a right-hand circularly polarized feed point. When viewed from above, the coupler is symmetrical about one diagonal of the square radiating patch.

2. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 1, characterized in that: The third branch includes a first segment and a second segment that are vertically connected. The first segment and the second segment are respectively connected to the first segment. The antenna feed point is located on the second segment and away from the first segment.

3. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 2, characterized in that: The first branch and the second branch are parallel to the second segment, respectively.

4. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 2, characterized in that: When viewed from above, the square radiating patch covers the entire area of ​​the second segment.

5. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 4, characterized in that: The outer side of the connection between the first segment and the second segment is chamfered.

6. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 2, characterized in that: The outer edge of the first segment has an outwardly protruding section, the length of which is less than the length of the first segment.

7. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 6, characterized in that: When viewed from above, the square radiating patch covers a portion of one end of the protruding section.

8. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 2, characterized in that: The distance between the first branch and the second segment is greater than the distance between the second branch and the second segment. When viewed from above, the square radiating patch covers the entire area of ​​the second branch.

9. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 8, characterized in that: When viewed from above, the square radiating patch covers a portion of the central area of ​​the first branch.

10. The dual-circularly polarized 5G millimeter-wave radiating unit according to claim 1, characterized in that: When viewed from above, the dual-circularly polarized 5G millimeter-wave radiating unit is located outside the coverage area of ​​the square radiating patch.

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