Millimeter wave dielectric resonator antenna module

Abstract

The application provides a millimeter wave dielectric resonator antenna module, which comprises a first dielectric substrate, a second dielectric substrate and a first lattice cylinder located on two sides of the first dielectric substrate respectively, an inter-ridge gap waveguide layer located on one side of the second dielectric substrate, and a second lattice cylinder detachably connected to the first lattice cylinder, wherein the first lattice cylinder and the second lattice cylinder form a completed cylinder, 7 strip-shaped through slots are uniformly arranged on the first lattice cylinder, and 7 strip-shaped blocks are arranged on the second lattice cylinder and are clamped with the corresponding 7 strip-shaped through slots. The millimeter wave dielectric resonator antenna module can switch circular polarization and linear polarization by mounting the second lattice cylinder on the first lattice cylinder or separating the second lattice cylinder from the first lattice cylinder.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of antenna, in particular to a millimeter wave dielectric resonator antenna module. BACKGROUND

[0002] 5G is the research focus of the global industry, and developing 5G technology and formulating 5G standards have become the consensus of the industry. The International Telecommunication Union has clearly defined three main application scenarios of 5G: enhanced mobile broadband, massive machine communication, and high-reliability low-latency communication. These three application scenarios correspond to different key indicators, and the unique high-load frequency and large bandwidth characteristics of millimeter waves are the main means to achieve the ultra-high data transmission rate of 5G. The millimeter wave dielectric resonator antenna module in the prior art can only be set to linear polarization or circular polarization under the coverage of the 5G frequency band, and cannot realize the free switching of linear polarization and circular polarization.

[0003] Therefore, it is necessary to provide a millimeter wave dielectric resonator antenna module to solve the above technical problems. SUMMARY

[0004] The present application provides a millimeter wave dielectric resonator antenna module, which solves the problem that the millimeter wave dielectric resonator antenna module in the prior art cannot switch linear polarization and circular polarization.

[0005] To solve the above technical problems, the technical scheme of the present application is as follows: a millimeter wave dielectric resonator antenna module, comprising a first dielectric substrate, a second dielectric substrate and a first lattice cylinder located on both sides of the first dielectric substrate, a ridge gap waveguide layer located on one side of the second dielectric substrate, and a second lattice cylinder detachably connected to the first lattice cylinder, the first lattice cylinder and the second lattice cylinder are connected to form a complete cylinder, the first lattice cylinder is uniformly provided with 7 strip-shaped through slots, and the second lattice cylinder is provided with 7 strip-shaped blocks matched with the corresponding 7 strip-shaped through slots.

[0006] In the present application, the millimeter wave dielectric resonator antenna module is further provided with a dielectric ring, the dielectric ring is located on the side of the first dielectric substrate close to the first lattice cylinder, and the first lattice cylinder is located in the dielectric ring.

[0007] In the present application, the first dielectric substrate is further provided with a microstrip on the side close to the second dielectric substrate.

[0008] In the present application, the ridge gap waveguide layer is a square, and the ridge gap waveguide layer comprises 121 square blocks.

[0009] In the present application, the dielectric ring is provided as 4, and the 4 dielectric rings are connected.

[0010] In the application, the first grid cylinder and the second grid cylinder matched with the first grid cylinder are arranged in the four medium rings.

[0011] In the application, the radio frequency chip is further arranged below the ridge gap waveguide layer.

[0012] Compared with the prior art, the millimeter medium resonator antenna module has the beneficial effects that the second grid cylinder is installed on the first grid cylinder or separated from the first grid cylinder to realize switching of circular polarization and linear polarization. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments are briefly introduced as follows. The drawings in the following description are only corresponding to some embodiments of the present application.

[0014] Figure 1 It is a perspective view of the millimeter wave medium resonator antenna module of the present application.

[0015] Figure 2 It is a perspective view of the millimeter wave medium resonator antenna module of the present application. Figure 1 It is a partial enlarged view of part A.

[0016] Figure 3 It is an exploded view of the millimeter wave medium resonator antenna module of the present application.

[0017] Figure 4 It is a perspective view of the millimeter wave medium resonator antenna module of the present application.

[0018] Figure 5 It is a perspective view of the millimeter wave medium resonator antenna module of the present application.

[0019] Figure 6 It is a comparison diagram of the millimeter wave medium resonator antenna module of the present application with an added medium ring parameter.

[0020] Figure 7 It is a gain change diagram of the millimeter wave medium resonator antenna module of the present application.

[0021] Figure 8 It is a comparison diagram of the millimeter wave medium resonator antenna module of the present application with an added second grid cylinder.

[0022] Figure 9 It is a group array gain change diagram of the millimeter wave medium resonator antenna module of the present application.

[0023] Figure 10 It is an E-plane pattern diagram of the millimeter wave medium resonator antenna module of the present application after arraying. DETAILED DESCRIPTION

[0024] In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present disclosure.

[0025] Unless otherwise defined, technical terms or scientific terms used herein should be understood as having the same meaning as commonly understood by one of ordinary skill in the art to which this present disclosure belongs.

[0026] The terms "first", "second", and similar terms used in the specification and claims of the present patent application do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the "include" or "contain" cover the elements or objects listed after the "include" or "contain" and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.

[0027] The technical solutions in the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present disclosure.

[0028] The following is a preferred embodiment of a millimeter wave dielectric resonator antenna module provided by the present disclosure, which can solve the above technical problems.

[0029] In the drawings, similar elements are denoted by the same reference numerals.

[0030] The terms "first", "second", and the like in the present disclosure are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order.

[0031] Embodiment one:

[0032] Please refer to Figure 1 ,Figure 2 、 Figure 3 、 Figure 6 、 Figure 7 and Figure 8 , Figure 1 is a perspective view of the millimeter wave dielectric resonator antenna module of the present application, Figure 2 is Figure 1 is a partial enlarged view of part A in Figure 3 is an exploded view of the millimeter wave dielectric resonator antenna module of the present application, Figure 6 is a comparison chart of the millimeter wave dielectric resonator antenna module of the present application with an added dielectric ring parameter, Figure 7 is a gain change chart of the millimeter wave dielectric resonator antenna module of the present application, Figure 8 is a comparison chart of the millimeter wave dielectric resonator antenna module of the present application with an added second grid cylinder.

[0033] The millimeter wave dielectric resonator antenna module provided by the present application comprises a first dielectric substrate 11, a second dielectric substrate 13 and a first grid cylinder 17 located on both sides of the first dielectric substrate 11, an inter-ridge gap waveguide layer 12 located on one side of the second dielectric substrate 13, a second grid cylinder 16 detachably connected to the first grid cylinder 17, a dielectric ring 15 located on the first dielectric substrate 11 and on the circumferential side of the first grid cylinder 17, and a microstrip 19 located in the first dielectric substrate 11 and close to one side of the second dielectric substrate 13. The first grid cylinder 17 is provided with seven strip-shaped through slots, and the second grid cylinder 16 is provided with seven strip-shaped blocks that are clamped with the seven strip-shaped through slots. The inter-ridge gap waveguide layer 12 is square, and the inter-ridge gap waveguide layer 12 comprises 121 square blocks.

[0034] In this embodiment, please refer to Figure 7 , Figure 7 S11 in S11 is a change chart without loading the second grid cylinder 16, S12 is an axial ratio change chart with loading the second grid cylinder 16, connecting the second grid cylinder 16 in the first grid cylinder 17 is circular polarization, and moving the second grid cylinder 16 and the first grid cylinder 17 is linear polarization. It can be clearly seen that the switching change comparison of linear polarization and circular polarization is obvious.

[0035] In this embodiment, please refer to Figure 5 , Figure 5 S13 is a change chart without loading the dielectric ring 15, and S14 is a change chart with loading the dielectric ring 15. After loading the dielectric ring 15, the S parameter is worse, but still meets the working requirement of 26.5GHz-29.5GHz of the 5G frequency band. The gain effect of the dielectric ring 15 and the second grid cylinder 16 is stronger.

[0036] In this embodiment, please refer to Figure 6 , Figure 6The S15 is a variation diagram of the original DRA, the S16 is a variation diagram loaded with the ridge gap wave layer 12, and the S17 is a variation diagram loaded with the ridge gap wave layer 12 and the dielectric ring 15. It can be seen that the gain effect brought by the added gap wave layer and the dielectric ring 15 is very obvious.

[0037] Embodiment two:

[0038] Please refer to Figure 4 、 Figure 5 、 Figure 9 and Figure 10 , Figure 4 is a perspective view of the millimeter wave dielectric resonator antenna module of the present application, Figure 5 is a perspective view of the millimeter wave dielectric resonator antenna module of the present application, Figure 9 is a variation diagram of the array gain of the millimeter wave dielectric resonator antenna module of the present application, Figure 10 is an E-plane pattern of the millimeter wave dielectric resonator antenna module of the present application after arraying.

[0039] The millimeter wave dielectric resonator antenna module provided by the present application comprises a first dielectric substrate 11, a second dielectric substrate 13 and a first grid cylinder 17 located on both sides of the first dielectric substrate 11 respectively, a ridge gap wave layer 12 located on one side of the second dielectric substrate 13, a second grid cylinder 16 detachably connected to the first grid cylinder 17, a dielectric ring 15 located on the first dielectric substrate and on the side of the first grid cylinder 17, a microstrip 19 located in the first dielectric substrate 11 and close to one side of the second dielectric substrate 13, and a radio frequency chip 20 located below the ridge gap wave layer 12. The first grid cylinder 17 is provided with 7 strip-shaped through slots, the second grid cylinder 16 is provided with 7 strip-shaped blocks clamped with the 7 strip-shaped through slots, the ridge gap wave layer 12 is a square, the ridge gap wave layer 12 comprises 121 square blocks, the first grid cylinder 17 is provided with 4, the second grid cylinder 16 is provided with 4, and the dielectric ring 15 is provided with 4 and the 4 dielectric rings 15 are connected.

[0040] Please refer to Figure 8 , Figure 8 is a frequency variation surface diagram of the antenna after arraying, and the gain can be as high as 17dBi, and the gain effect is very obvious.

[0041] Please refer to Figure 9 , Figure 9 is a normalized E-plane pattern of the antenna after arraying at 28GHz, and the E-plane side lobe is-15dBi. The low point after arraying can be used for communication radar equipment.

[0042] In summary, although the present application has been disclosed with preferred embodiments as above, the preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, and therefore the protection scope of the present application is defined by the scope of the claims.

Claims

1. A millimeter-wave dielectric resonator antenna module, characterized in that, The system includes a first dielectric substrate, a second dielectric substrate and a first grid cylinder located on both sides of the first dielectric substrate, a ridge gap waveguide layer located on the side of the second dielectric substrate away from the first dielectric substrate, and a second grid cylinder detachably connected to the first grid cylinder. Connecting the second grid cylinder to the first grid cylinder results in circular polarization, and removing the second grid cylinder from the first grid cylinder results in linear polarization. The first grid cylinder and the second grid cylinder are connected to form a complete cylinder. The first grid cylinder has 7 uniformly arranged strip-shaped through slots, and the second grid cylinder has 7 strip-shaped blocks that engage with the corresponding 7 strip-shaped through slots. The millimeter-wave dielectric resonator antenna module is further provided with a dielectric ring, which is located on the side of the first dielectric substrate close to the first grid cylinder, and the first grid cylinder is located inside the dielectric ring. The dielectric rings are configured as four, and the four dielectric rings are connected together; each of the four dielectric rings is provided with a first grid cylinder and a second grid cylinder that matches the first grid cylinder.

2. The millimeter-wave dielectric resonator antenna module according to claim 1, characterized in that, A microstrip is also provided on the side of the first dielectric substrate close to the second dielectric substrate.

3. The millimeter-wave dielectric resonator antenna module according to claim 1, characterized in that, The ridge gap waveguide layer is square, and the ridge gap waveguide layer includes 121 square blocks.

4. The millimeter-wave dielectric resonator antenna module according to claim 1, characterized in that, A radio frequency chip is also disposed below the ridge gap waveguide layer.

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