Antenna system and electronic equipment

Abstract

The antenna system comprises a first group of MIMO antenna units and a second group of MIMO antenna units, wherein the first group of MIMO antenna units comprises a first dual-frequency antenna arranged at a first corner of a base; the second dual-frequency antenna is arranged on the side edge of the base; the first single-frequency antenna is vertically arranged at a second corner of the base; the second single-frequency antenna is parallel to the base; the second group of MIMO antenna units comprises a third single-frequency antenna arranged at a third corner of the base; the fourth single-frequency antenna is arranged at the fourth corner of the base; the fifth single-frequency antenna is of a planar structure; the sixth single-frequency antenna is located between the first single-frequency antenna and the third single-frequency antenna; the first dual-frequency antenna, the first single-frequency antenna, the third single-frequency antenna and the fourth single-frequency antenna are vertically polarized antennas; the second dual-frequency antenna, the second single-frequency antenna, the fifth single-frequency antenna and the sixth single-frequency antenna are horizontally polarized antennas; the first isolation element is located between the second dual-frequency antenna and the fifth single-frequency antenna; and the second isolation element is positioned between the second single-frequency antenna and the sixth single-frequency antenna, so that the problems of low isolation degree, signal receiving dead angles and the like of an antenna system are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of wireless communications, and in particular to an antenna system and electronic equipment. Background Art

[0002] The development of wireless local area network (WLAN) is most popular with the Wi-Fi protocol developed by the Wi-Fi Alliance. The development of the Wi-Fi protocol has evolved from IEEE 802.11a, b, g, n, ax to the upcoming 802.11be, which is also called Wi-Fi 7. It has made great progress in bandwidth and throughput. However, when using such electronic devices in application scenarios such as airports or commercial buildings, there are problems such as low isolation, large noise interference, uneven signal coverage, and dead spots. Summary of the invention

[0003] In view of this, it is necessary to provide an antenna system to solve the above problems. An embodiment of the present invention provides an antenna system, which is arranged on a base and includes a first group of MIMO antenna units and a second group of MIMO antenna units, wherein

[0004] The first group of MIMO antenna units includes:

[0005] A first dual-frequency antenna having a high-frequency resonance structure perpendicular to the base and disposed at a first corner of the base;

[0006] A second dual-band antenna is a planar structure and is parallel to the base, disposed on a first side of the base and adjacent to the first dual-band antenna;

[0007] A first single-frequency antenna is vertically arranged at a second corner of the base, wherein the first corner and the second corner are in a diagonal relationship;

[0008] a second single-frequency antenna, which is a planar structure and is parallel to the base, and is disposed on a second side of the base and adjacent to the first single-frequency antenna, wherein the first dual-frequency antenna and the first single-frequency antenna are vertically polarized antennas, and the second dual-frequency antenna and the second single-frequency antenna are horizontally polarized antennas;

[0009] The second group of MIMO antenna units includes:

[0010] A third single-frequency antenna, vertically arranged at the third corner of the base;

[0011] a fourth single-frequency antenna, vertically disposed at a fourth corner of the base and adjacent to the second single-frequency antenna, the third corner and the fourth corner being in a diagonal relationship;

[0012] a fifth single-frequency antenna, which is a planar structure and parallel to the base, and is disposed between the first dual-frequency antenna and the third single-frequency antenna;

[0013] a sixth single-frequency antenna, which is a planar structure and is parallel to the base, and is disposed between the first single-frequency antenna and the third single-frequency antenna, wherein the third single-frequency antenna and the fourth single-frequency antenna are vertically polarized antennas, and the fifth single-frequency antenna and the sixth single-frequency antenna are horizontally polarized antennas;

[0014] A first isolation element, in the shape of an elongated strip, is disposed between the second dual-frequency antenna and the fifth single-frequency antenna;

[0015] The second isolation element is in a long strip shape and is arranged between the second single-frequency antenna and the sixth single-frequency antenna.

[0016] Preferably, it also includes:

[0017] a first SC antenna, arranged on a side of the fifth single-frequency antenna;

[0018] A second SC antenna, arranged on a side of the second single-frequency antenna;

[0019] The IoT antenna is arranged between the first single-frequency antenna and the third single-frequency antenna.

[0020] Preferably, the first dual-band antenna includes:

[0021] A first grounding structure, in a convex shape, is disposed on the base;

[0022] A first connecting portion, in a shape of П, vertically connected to the first grounding structure and forming a first narrow gap with the first grounding structure;

[0023] The high-frequency resonance structure includes a first part and a second part, wherein the first part is trapezoidal and vertically connected to the first connecting part, and the second part is strip-shaped, with one side connected to the first connecting part through the second connecting part and the third connecting part, and the second part, the second connecting part and the third connecting part have a gap with the first part.

[0024] Preferably, the two dual-band antennas are arranged on the first substrate, and include:

[0025] Four first upwind model radiation patches are arranged on the upper surface of the first substrate, are centrally symmetrically arranged and distributed on a first circumference;

[0026] Four first downwind vehicle type radiation patches are arranged on the lower surface of the first substrate, are centrally symmetrically arranged and distributed on a second circle, wherein the radius of the first circle is greater than the radius of the second circle.

[0027] Preferably, each first upwind vehicle type radiation patch and each downwind vehicle type patch are in an F shape;

[0028] The orientations of the four first upwind vehicle type radiation patches are different from the orientations of the four first downwind vehicle type radiation patches.

[0029] Preferably, the first single-frequency antenna, the third single-frequency antenna and the fourth single-frequency antenna have the same structure, including:

[0030] A metal bottom sheet fixed to the base;

[0031] A planar inverted F antenna is printed on a second substrate, the second substrate is vertically fixed on the metal bottom sheet, and the planar inverted F antenna includes:

[0032] The third part is in a strip shape and is disposed on the first surface of the second substrate;

[0033] Part 4, Presentation shape, one end of which is vertically connected to one end of the third portion, and the other end of which is vertically connected to the second substrate;

[0034] The fifth part is in a strip shape and is disposed on the second surface of the second substrate;

[0035] The sixth portion is in a strip shape and is disposed on the second surface of the second substrate. The projections of the fifth portion and the sixth portion on the first surface of the second substrate are distributed on both sides of the third portion.

[0036] Preferably, the second single-frequency antenna, the fifth single-frequency antenna and the sixth single-frequency antenna have the same structure and are respectively arranged on the third substrate, including:

[0037] Four second upwind model radiation patches are arranged on the upper surface of the third substrate, are centrally symmetrically arranged and distributed on the third circumference;

[0038] Four second downwind vehicle radiation patches are arranged on the lower surface of the third substrate, are centrally symmetrically arranged and distributed on a fourth circle, wherein the radius of the third circle is equal to the radius of the fourth circle, and each first upwind vehicle radiation patch and each downwind vehicle patch are in a 7 shape; the orientation of the four second upwind vehicle radiation patches is different from that of the four second downwind vehicle radiation patches.

[0039] Preferably, the first SC antenna and the second SC antenna include:

[0040] The seventh part is in a long strip shape and is fixed to the base, and the eighth part and the ninth part are vertically arranged at one end of one side of the seventh part;

[0041] a fourth connecting portion, one end of which is vertically and electrically connected to the other end of one side of the seventh portion;

[0042] The tenth part is in a long strip shape and has a T-shaped slot, and is electrically connected to the other end of the fourth connecting part;

[0043] The eleventh part is in a convex shape, one end of which is vertically connected to the eighth part and the other end is suspended in the air. The eighth part and the ninth part are arranged on both sides of the eleventh part.

[0044] Preferably, the IoT antenna comprises:

[0045] A second grounding structure, in a convex shape, is disposed on the base;

[0046] a fifth connecting portion, which is in a shape of P, vertically connected to the second grounding structure, and forms a second narrow gap with the second grounding structure;

[0047] The sixth connecting portion is trapezoidal and vertically connected to the center of the fifth connecting portion;

[0048] The twelfth part is disc-shaped, and its center is vertically connected to the sixth connecting part.

[0049] In view of this, it is necessary to provide an electronic device to solve the above problems. Another embodiment of the present invention provides an electronic device, including any of the antenna systems described above.

[0050] Compared with the prior art, the first group of MIMO antenna units and the second group of MIMO antenna units of the antenna system provided in the embodiment of the present invention both include two vertically polarized antennas and two horizontally polarized antennas, avoiding reception blind spots and ensuring reception effects. The first dual-frequency antenna and the first single-frequency antenna in the vertically polarized antenna are arranged at diagonal corners of the base, and the third single-frequency antenna and the fourth single-frequency antenna are arranged at another diagonal corner of the base, so that the isolation between the antennas reaches more than 30 dB. The first isolation element is set between the second dual-frequency antenna and the fifth single-frequency antenna in the horizontally polarized antenna, and the second isolation element 40 is set between the second single-frequency antenna and the sixth single-frequency antenna, so that the isolation between the antennas reaches more than 30 dB, which meets the isolation requirements between the antennas and solves the problems of low isolation, uneven signal coverage, and reception blind spots in the high-throughput antenna system in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 It is a structural schematic diagram of an embodiment of an antenna system of the present invention;

[0052] Figure 2 It is a schematic diagram of an optional structure of a first dual-frequency antenna of an antenna system of the present invention;

[0053] Figure 3It is a schematic diagram of an optional structure of a second dual-frequency antenna of an antenna system of the present invention;

[0054] Figure 4 It is a schematic diagram of an optional structure of a first single-frequency antenna of an antenna system of the present invention;

[0055] Figure 5 It is a schematic diagram of an optional structure of a second single-frequency antenna of the antenna system of the present invention;

[0056] Figure 6 This is a schematic diagram of an optional structure of another embodiment of the antenna system of the present invention;

[0057] Figure 7 It is a schematic diagram of an optional structure of a first SC antenna of an antenna system of the present invention;

[0058] Figure 8 This is an optional structural diagram of an IoT antenna of an antenna system of the present invention;

[0059] Fig.9A It is a schematic diagram of the isotropic radiation pattern of the first dual-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 2.4G frequency band;

[0060] Fig. 9B It is a schematic diagram of the isotropic radiation pattern of the first dual-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 5G frequency band;

[0061] Fig. 10A It is a schematic diagram of the isotropic radiation pattern of the second dual-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 2.4G frequency band;

[0062] Fig. 10B It is a schematic diagram of the isotropic radiation pattern of the second dual-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 5G frequency band;

[0063] Fig.11 It is a schematic diagram of the isotropic radiation pattern of the first single-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 5G frequency band;

[0064] Fig.12 It is a schematic diagram of the isotropic radiation pattern of the second single-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 5G frequency band;

[0065] Fig.13 It is a schematic diagram of the isotropic radiation pattern of the third single-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 6G frequency band;

[0066] Fig.14 It is a schematic diagram of the isotropic radiation pattern of the fourth single-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 6G frequency band;

[0067] Fig.15 It is a schematic diagram of the isotropic radiation pattern of the fifth single-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 6G frequency band;

[0068] Fig.16 It is a schematic diagram of the isotropic radiation pattern of the sixth single-frequency antenna of the antenna system of the present invention in the XY-60° plane of the 6G frequency band;

[0069] Fig.17A It is a schematic diagram of the isotropic radiation pattern of the first SC antenna of the antenna system of the present invention in the XY-60° plane of the 2.4G frequency band;

[0070] Fig. 17B It is a schematic diagram of the isotropic radiation pattern of the first SC antenna of the antenna system of the present invention in the XY-60° plane of the 5G frequency band;

[0071] Fig. 17C It is a schematic diagram of the isotropic radiation pattern of the first SC antenna of the antenna system of the present invention in the XY-60° plane of the 6G frequency band;

[0072] Fig.18A It is a schematic diagram of the isotropic radiation pattern of the second SC antenna of the antenna system of the present invention in the XY-60° plane of the 2.4G frequency band;

[0073] Fig.18B It is a schematic diagram of the isotropic radiation pattern of the second SC antenna of the antenna system of the present invention in the XY-60° plane of the 5G frequency band;

[0074] Fig.18C It is a schematic diagram of the isotropic radiation pattern of the second SC antenna of the antenna system of the present invention in the XY-60° plane of the 6G frequency band;

[0075] Fig.19 Schematic diagram of the isotropic radiation pattern of the IoT antenna of the antenna system of the present invention in the XY-60° plane of the 2.4G frequency band.

[0076] Main component symbols

[0077] 1- Antenna system

[0078] 2- Base

[0079] 10-The first set of MIMO antenna units

[0080] 20-Second group of MIMO antenna units

[0081] 101-The first dual-band antenna

[0082] 102-Second dual-band antenna

[0083] 103-First single frequency antenna

[0084] 104-Second single frequency antenna

[0085] 201-Third single frequency antenna

[0086] 202-Fourth Single Frequency Antenna

[0087] 203-Fifth Single Frequency Antenna

[0088] 204-Sixth Single Frequency Antenna

[0089] 30-First isolation element

[0090] 40- Second isolation element

[0091] 50-First SC Antenna

[0092] 60-Second SC Antenna

[0093] 70-IoT Antenna

[0094] G1-First grounding structure

[0095] L1~L5-First connecting part~Fifth connecting part

[0096] S1-First narrow gap

[0097] S2-Second narrow gap

[0098] Z1-high frequency resonance structure

[0099] A1~A12-Part 1~Part 12

[0100] J1~J3-First substrate~Third substrate

[0101] F1-The first wind model radiation patch

[0102] F2-First downwind model radiation patch

[0103] F3-The second most popular model radiation patch

[0104] F4-2nd downwind model radiation patch

[0105] M1-Metal film

[0106] Ant1-Planar Inverted F Antenna

[0107] Via1 - first via

[0108] Via2 - Second via

[0109] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0110] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific implementation methods and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0111] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0112] See also Figure 1 , Figure 1 1 is an optional structural diagram of an embodiment of the antenna system 1 of the present invention. The antenna system 1 is mainly used in wireless switch electronic devices, such as AP (Access Point). In this embodiment, the antenna system 1 is arranged on the base 2, and may include a first group of MIMO (Multiple Input Multiple Output) antenna units 10, a second group of MIMO antenna units 20, a first isolation element 30 and a second isolation element 40. The first group of MIMO antennas 10 and the second group of MIMO antennas 20 are mainly used for WiFi communication.

[0113] The first MIMO antenna unit 10 comprises a first dual-frequency antenna 101, a second dual-frequency antenna 102, a first single-frequency antenna 103 and a second single-frequency antenna 104. The first dual-frequency antenna 101 has a high-frequency resonance structure Z1 perpendicular to the base 2 and is disposed at a first corner of the base 2.

[0114] Specifically, combined Figure 2 , Figure 2The first dual-frequency antenna 101 of the antenna system 1 of the present invention is an optional structural diagram of an embodiment. As shown in the figure, the first dual-frequency antenna 101 operates in the 2.4G and 5G frequency bands, and includes a first grounding structure G1, a first connecting portion A1 and a high-frequency resonant structure Z1. The first grounding structure G1 is in a convex shape and is arranged on the base 2. The first connecting portion L1 is in a П shape, vertically connected to the first grounding structure G1, and forms a first narrow and long gap S1 with the first grounding structure G1. The high-frequency resonant structure Z1 includes a first portion A1 and a second portion A2. The first portion A1 is trapezoidal and vertically connected to the first connecting portion L1; the second portion A2 is in a long strip shape, and one side is connected to the first connecting portion L1 through the second connecting portion L2 and the third connecting portion L3. The second portion A2, the second connecting portion L2 and the third connecting portion L3 have a gap with the first portion A1.

[0115] The second dual-frequency antenna 102 operates in the 2.4G and 5G frequency bands, is a planar structure and is parallel to the base 2. The second dual-frequency antenna 102 is disposed on the first side of the base 2 and adjacent to the first dual-frequency antenna 101. Figure 3 , Figure 3 It is a schematic diagram of an optional structure of an implementation manner of the second dual-frequency antenna 102 of the antenna system 1 of the present invention.

[0116] As shown in the figure, the second dual-band antenna 102 is arranged on the first substrate J1, and the first substrate J1 is supported and fixed on the base 2 by hot-melt through a plastic column and is parallel to the base 2. In other embodiments, it can also be fixed to the base 2 by a support column with a preset height, which is not limited here. The second dual-band antenna 102 includes a first upwind model radiation patch F1 and a first downwind model radiation patch F2. In this embodiment, four first upwind model radiation patches and four first downwind model radiation patches are used as examples, but it is not limited to this.

[0117] In this embodiment, four first upwind model radiation patches F1 are arranged on the upper surface of the first substrate J1, are arranged in a central symmetric manner and are distributed on the first circumference. Four first downwind model radiation patches F2 are arranged on the lower surface of the first substrate J1, are arranged in a central symmetric manner and are distributed on the second circumference. Among them, the radius of the first circumference is greater than the radius of the second circumference, and there is a first through hole via1 in the middle of the first circumference and the second circumference. The positive wire of the transmission line (not shown) passes through the first through hole via1 to connect the first upwind model radiation patch F1, and the negative wire of the transmission line connects the first downwind model radiation patch F2. The blades of the first upwind model radiation patch F1 and the first downwind model radiation patch F2 are mirror images, and the projections of the blade connecting rods of the first upwind model radiation patch F1 and the first downwind model radiation patch F2 on the first substrate J1 coincide. Specifically, each first upwind vehicle radiation patch F1 and each downwind vehicle patch F2 are in an F shape, and the orientation of the four first upwind vehicle radiation patches F1 is different from the orientation of the four first downwind vehicle radiation patches F2. The second dual-band antenna 102 adopts a mirror-image windward radiation patch design with four equal directional structures, so that the antenna radiation pattern of the second dual-band antenna 102 is isotropic, thereby avoiding communication blind spots.

[0118] In this embodiment, the first single-frequency antenna 103 operates in the 5G frequency band and is vertically arranged at the second corner of the base 2, wherein the first angle and the second angle are in a diagonal relationship.

[0119] In this embodiment, the second single-frequency antenna 104 operates in the 5G frequency band, is a planar structure and is parallel to the base 2, and is arranged on the second side of the base 2 and adjacent to the first single-frequency antenna 103. Among them, the first dual-frequency antenna 101 and the first single-frequency antenna 103 are vertically polarized antennas, and the second dual-frequency antenna 102 and the second single-frequency antenna 104 are horizontally polarized antennas. The polarizations of the two antennas in the first group of MIMO antenna units 10 are orthogonal, thereby avoiding communication blind spots.

[0120] In this embodiment, the second group of MIMO antenna units 20 includes a third single-frequency antenna 201, a fourth single-frequency antenna 202, a fifth single-frequency antenna 203 and a sixth single-frequency antenna 204. The third single-frequency antenna 201, the fourth single-frequency antenna 202, the fifth single-frequency antenna 203 and the sixth single-frequency antenna 204 all operate in the 6G frequency band. The third single-frequency antenna 301 is vertically arranged at the third corner of the base 2. The fourth single-frequency antenna 202 is vertically arranged at the fourth corner of the base 2 and adjacent to the second single-frequency antenna 104. The third corner and the fourth corner are in a diagonal relationship. The fifth single-frequency antenna 203 is a planar structure and is parallel to the base 2, and is arranged between the first dual-frequency antenna 101 and the third single-frequency antenna 201. The sixth single-frequency antenna 204 is a planar structure and is parallel to the base 2, and is disposed between the first single-frequency antenna 103 and the third single-frequency antenna 201, wherein the third single-frequency antenna 201 and the fourth single-frequency antenna 202 are vertically polarized antennas, and the fifth single-frequency antenna 203 and the sixth single-frequency antenna 204 are horizontally polarized antennas. The polarizations of the antennas in the first group of MIMO antenna units 10 are orthogonal to each other, thereby avoiding communication blind spots.

[0121] In this embodiment, the first single-frequency antenna 103, the third single-frequency antenna 201 and the fourth single-frequency antenna 202 have the same structure. Figure 4 , Figure 4 The first single-frequency antenna 103 of the antenna system 1 of the present invention is an optional structural diagram of an embodiment. As shown in the figure, the first single-frequency antenna 103 includes a metal base M1 and a planar inverted F antenna Ant1. The metal base M1 is fixed to the base 2. The planar inverted F antenna Ant1 is printed on the second substrate J2, and the second substrate J2 is vertically fixed to the metal base M1. In this embodiment, the planar inverted F antenna Ant1 includes: a third part A3, which is in the shape of a long strip and is arranged on the first surface of the second substrate J2; a fourth part A4, which is in the shape of a The fifth part A5 is in the shape of a strip, one end of which is vertically connected to one end of the third part, and the other end is perpendicular to the second substrate J2; the fifth part A5 is in the shape of a strip and is arranged on the second surface of the second substrate J2; the sixth part A6 is in the shape of a strip and is arranged on the second surface of the second substrate J2. Among them, the projections of the fifth part A5 and the sixth part A6 on the first surface of the second substrate J2 are distributed on both sides of the third part A3. It can be understood that in other embodiments of the present invention, the sizes of the first single-frequency antenna 103, the third single-frequency antenna 201 and the fourth single-frequency antenna 202 can be adjusted according to actual applications. For example, the size of each antenna metal bottom plate M1 and the planar inverted F antenna Ant1, and the thickness of the second substrate J2 can be the same or different, which is not limited here.

[0122] In this embodiment, the second single-frequency antenna 104, the fifth single-frequency antenna 203 and the sixth single-frequency antenna 204 have the same structure. Figure 5 , Figure 5 1 is a schematic structural diagram of an optional embodiment of the second single-frequency antenna 104 of the antenna system 1 of the present invention. The second single-frequency antenna 104 is arranged on the third substrate J3, and the third substrate J3 can be fixed to the base 2 by screws and is parallel to the base 2. It includes a second upwind vehicle radiation patch F3 and a second downwind vehicle radiation patch F4. In this embodiment, 4 second upwind vehicle radiation patches and 4 second downwind vehicle radiation patches are used as examples, but it is not limited to this. It can be understood that in other embodiments of the present invention, the sizes of the second single-frequency antenna 104, the fifth single-frequency antenna 203 and the sixth single-frequency antenna 204 can be adjusted according to actual applications. For example, the length of the second upwind vehicle radiation patch F3 and the second downwind vehicle radiation patch F4 of each antenna, and the thickness of the third substrate J3 can be the same or different, which is not limited here.

[0123] In this embodiment, four second upwind model radiation patches F3 are arranged on the upper surface of the third substrate J3, are arranged in a central symmetric manner and are distributed on the third circumference. Four second downwind model radiation patches F4 are arranged on the lower surface of the third substrate J3, are arranged in a central symmetric manner and are distributed on the fourth circumference. Wherein, the radius of the third circumference is equal to the radius of the fourth circumference, and there is a second through hole via2 in the middle of the third circumference and the fourth circumference, through which the positive wire of the transmission line (not shown) passes through the through hole to connect the second upwind model radiation patch F3, and the negative wire of the transmission line connects the second downwind model radiation patch F4. The blades of the second upwind model radiation patch F3 and the second downwind model radiation patch F4 are mirror images, and the projections of the blade connecting rods of the second upwind model radiation patch F3 and the second downwind model radiation patch F4 on the third substrate J3 overlap. Specifically, each second upwind vehicle radiation patch F3 and each downwind vehicle patch F4 are in the shape of a figure 7, and the orientation of the four second upwind vehicle radiation patches F3 is different from the orientation of the four second downwind vehicle radiation patches F4. The design of the mirror windshield radiation patches with equal directional structures makes the antenna radiation patterns of the first single-frequency antenna 103, the third single-frequency antenna 201 and the fourth single-frequency antenna 202 is isotropic, thereby avoiding communication blind spots.

[0124] In this embodiment, the first isolation element 30 is in a strip shape and is disposed between the second dual-frequency antenna 103 and the fifth single-frequency antenna 203. The second isolation element 40 is in a strip shape and is disposed between the second single-frequency antenna 104 and the sixth single-frequency antenna 204.

[0125] In this embodiment, the second dual-band antenna 102 is fixed on the base 2 by hot-melt support through a plastic column and is parallel to the base 2. In other embodiments, it can also be fixed to the base 2 by a support column with a preset height, which is not limited here, so that the second dual-band antenna 102 is higher than other antennas to improve the isolation between antennas.

[0126] In this embodiment, the first dual-frequency antenna 101 and the first single-frequency antenna 103 are arranged at diagonal corners of the base 2, and the third single-frequency antenna 201 and the fourth single-frequency antenna 202 are arranged at another diagonal corner of the base 2, so that the isolation between the antennas reaches more than 30 dB.

[0127] In this embodiment, a first isolation element 30 is disposed between the second dual-frequency antenna 102 and the fifth single-frequency antenna 203, and a second isolation element 40 is disposed between the second single-frequency antenna 104 and the sixth single-frequency antenna 204, so that the isolation between the antennas reaches more than 30 dB.

[0128] See also Figure 6 , Figure 6 This is a schematic diagram of the structure of another optional embodiment of the antenna system 1 of the present invention. The antenna system 1 is mainly used in wireless switch electronic devices, such as AP (Access Point). In this embodiment, the antenna system 1 is arranged on a base 2, including a first group of MIMO antenna units 10, a second group of MIMO antenna units 20, a first isolation element 30, a second isolation element 40, a first SC antenna 50, a second SC antenna 60 and an IoT antenna 70. The first SC antenna 50 and the second SC antenna 60 operate in the 2.4G, 5G and 6G frequency bands, and the IoT antenna 70 operates in the 2.4G frequency band. The structure and principle of the first group of MIMO antenna units 10, the second group of MIMO antenna units 20, the first isolation element 30 and the second isolation element 40 are similar to those of the above-mentioned embodiments, and are not repeated here.

[0129] In this embodiment, the first SC (Scan Radio) antenna 50 is disposed on the side of the fifth single-frequency antenna 203, and the second SC antenna 60 is disposed on the side of the second single-frequency antenna 104. The first SC antenna 50 and the second SC antenna 60 are mainly used to detect whether there are other available Wi-Fi signals in the adjacent area, and the distance between them is greater than 60 mm to achieve spatial diversity and field diversity.

[0130] Specifically, in combination with Figure 7 , Figure 71 is a schematic diagram of an optional structure of an embodiment of the first SC antenna 50 of the antenna system 1 of the present invention. The first SC antenna 50 and the second SC antenna 60 have the same structure, and the first SC antenna 50 is used as an example for explanation. The first SC antenna 50 includes a seventh portion A7, an eighth portion A8, a ninth portion A9, a fourth connecting portion L4, a tenth portion A10, and an eleventh portion A11. The seventh portion A7 is in the shape of an elongated strip and is fixed to the base 2. The eighth portion A8 and the ninth portion A9 are vertically arranged at one end of one side of the seventh portion A7. The fourth connecting portion L4 has one end vertically electrically connected to the other end of one side of the seventh portion A7. The tenth portion A10 is in the shape of an elongated strip and has a T-shaped slot, which is electrically connected to the other end of the fourth connecting portion L4. The eleventh portion A11 is in the shape of a convex letter, one end of which is vertically connected to the eighth portion A8, and the other end is suspended. The eighth portion A8 and the ninth portion A9 are arranged on both sides of the eleventh portion A11.

[0131] In this embodiment, the IoT antenna 70 is disposed between the first single-frequency antenna 103 and the third single-frequency antenna 201. Figure 8 , Figure 8 This is a schematic diagram of an optional structural embodiment of an IoT antenna 70 of the antenna system 1 of the present invention. As shown in the figure, the IoT antenna 70 includes a second grounding structure G2, a fifth connection portion L5 and a twelfth portion A12. The second grounding structure G2 is in a convex shape and is disposed on the base 2. The fifth connection portion L5 is in a П shape and is vertically connected to the second grounding structure G2, and forms a second narrow gap S2 with the second grounding structure G2. The sixth connection portion, L6, is trapezoidal and vertically connected to the center position of the fifth connection portion L5. The twelfth portion A12 is disc-shaped, and its center position is vertically connected to the sixth connection portion L6. Combined with the attached Figure 6 The IoT antenna 70 is configured at the outermost edge of the base 2, and its relative position is exactly matched with the highest point of the curved surface of the base 2, so that the IoT antenna 70 can have the largest clearance area.

[0132] See also Fig.9A and Fig. 9B , Fig.9A and Fig. 9B Schematic diagrams of isotropic radiation patterns of the first dual-frequency antenna 101 in the 2.4G frequency band and the 5GXY-60° plane are shown respectively. As shown in the figure, the radiation pattern is nearly circular, and the first dual-frequency antenna 101 meets the isotropic requirement of the antenna.

[0133] See also Fig. 10A and Fig. 10B , Fig. 10A and Fig. 10B Schematic diagrams of isotropic radiation patterns of the second dual-band antenna 102 in the XY-60° plane of the 2.4G and 5G frequency bands, respectively. As shown in the figures, the radiation pattern is nearly circular, and the second dual-band antenna 102 meets the isotropic requirement of the antenna.

[0134] See also Figure 11-Figure 12 , Figure 11-Figure 12 Schematic diagrams of isotropic radiation patterns of the first single-frequency antenna 103 and the second single-frequency antenna 104 in the XY-60° plane of the 5G frequency band are shown respectively. As shown in the figure, the radiation patterns are nearly circular, and the first single-frequency antenna 103 and the second single-frequency antenna 104 meet the isotropic requirements of the antenna.

[0135] See also Figure 13-Figure 16 , Figure 13-Figure 16 Schematic diagrams of the isotropic radiation patterns of the fourth single-frequency antenna 201 to the sixth single-frequency antenna 204 in the XY-60° plane of the 6G frequency band are shown respectively. As shown in the figure, the radiation patterns of the fourth single-frequency antenna 201 to the sixth single-frequency antenna 204 are nearly circular, satisfying the isotropic requirement of the antenna.

[0136] See also Figure 17A-Figure 17C , Figure 17A-Figure 17C Schematic diagrams of the isotropic radiation pattern of the first SC antenna 50 in the XY-60° plane for 2.4G, 5G and 6G frequency bands, respectively. As shown in the figure, the radiation pattern of the first SC antenna 50 is nearly circular, meeting the isotropic requirement of the antenna.

[0137] See also Figures 18A-18C , Figures 18A-18C Schematic diagrams of isotropic radiation patterns of the second SC antenna 60 in the XY-60° plane for 2.4G, 5G and 6G frequency bands, respectively. As shown in the figure, the radiation pattern of the second SC antenna 60 is nearly circular, meeting the isotropic requirement of the antenna.

[0138] See also Fig.19 , Fig.19 Schematic diagram of the isotropic radiation pattern of the IoT antenna 70 in the XY-60o plane in the 2.4G frequency band. As shown in the figure, the radiation pattern of the IoT antenna 70 is nearly circular, meeting the isotropic requirement of the antenna.

[0139] Compared with the prior art, the first group of MIMO antenna units and the second group of MIMO antenna units of the antenna system provided in the embodiment of the present invention both include two vertically polarized antennas and two horizontally polarized antennas, avoiding reception blind spots and ensuring reception effects. The first dual-frequency antenna and the first single-frequency antenna in the vertically polarized antenna are arranged at diagonal corners of the base, and the third single-frequency antenna and the fourth single-frequency antenna are arranged at another diagonal corner of the base, so that the isolation between the antennas reaches more than 30 dB. The first isolation element is set between the second dual-frequency antenna and the sixth single-frequency antenna in the horizontally polarized antenna, and the second isolation element 40 is set between the second single-frequency antenna and the sixth single-frequency antenna, so that the isolation between the antennas reaches more than 30 dB, which meets the isolation requirements between the antennas and solves the problems of low isolation, uneven signal coverage, and reception blind spots in the high-throughput antenna system in the prior art.

[0140] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection claimed by the present invention.

Claims

1. An antenna system, arranged on a base, comprising a first group of MIMO antenna units and a second group of MIMO antenna units, wherein The first group of MIMO antenna units includes: A first dual-frequency antenna having a high-frequency resonance structure perpendicular to the base and disposed at a first corner of the base; A second dual-band antenna is a planar structure and is parallel to the base, disposed on a first side of the base and adjacent to the first dual-band antenna; A first single-frequency antenna is vertically arranged at a second corner of the base, wherein the first corner and the second corner are in a diagonal relationship; a second single-frequency antenna, which is a planar structure and is parallel to the base, and is disposed on a second side of the base and adjacent to the first single-frequency antenna, wherein the first dual-frequency antenna and the first single-frequency antenna are vertically polarized antennas, and the second dual-frequency antenna and the second single-frequency antenna are horizontally polarized antennas; The second group of MIMO antenna units includes: A third single-frequency antenna, vertically arranged at the third corner of the base; a fourth single-frequency antenna, vertically disposed at a fourth corner of the base and adjacent to the second single-frequency antenna, the third corner and the fourth corner being in a diagonal relationship; a fifth single-frequency antenna, which is a planar structure and parallel to the base, and is disposed between the first dual-frequency antenna and the third single-frequency antenna; a sixth single-frequency antenna, which is a planar structure and is parallel to the base, and is disposed between the first single-frequency antenna and the third single-frequency antenna, wherein the third single-frequency antenna and the fourth single-frequency antenna are vertically polarized antennas, and the fifth single-frequency antenna and the sixth single-frequency antenna are horizontally polarized antennas; A first isolation element, in the shape of an elongated strip, is disposed between the second dual-frequency antenna and the fifth single-frequency antenna; The second isolation element is in a long strip shape and is arranged between the second single-frequency antenna and the sixth single-frequency antenna.

2. The antenna system according to claim 1, characterized in that Also includes: a first SC antenna, arranged on a side of the fifth single-frequency antenna; A second SC antenna, arranged on a side of the second single-frequency antenna; The IoT antenna is arranged between the first single-frequency antenna and the third single-frequency antenna.

3. The antenna system according to claim 1, characterized in that The first dual-frequency antenna comprises: A first grounding structure, in a convex shape, is disposed on the base; A first connecting portion, in a shape of П, vertically connected to the first grounding structure and forming a first narrow gap with the first grounding structure; The high-frequency resonance structure includes a first part and a second part, wherein the first part is trapezoidal and vertically connected to the first connecting part, and the second part is strip-shaped, with one side connected to the first connecting part through the second connecting part and the third connecting part, and the second part, the second connecting part and the third connecting part have a gap with the first part.

4. The antenna system according to claim 1, characterized in that The second dual-frequency antenna is disposed on the first substrate and includes: Four first upwind model radiation patches are arranged on the upper surface of the first substrate, are centrally symmetrically arranged and distributed on a first circumference; Four first downwind vehicle type radiation patches are arranged on the lower surface of the first substrate, are centrally symmetrically arranged and distributed on a second circle, wherein the radius of the first circle is greater than the radius of the second circle.

5. The antenna system according to claim 4, characterized in that: Each first upwind model radiation patch and each downwind model patch are in an F shape; The orientations of the four first upwind vehicle type radiation patches are different from the orientations of the four first downwind vehicle type radiation patches.

6. The antenna system according to claim 1, characterized in that The first single-frequency antenna, the third single-frequency antenna and the fourth single-frequency antenna have the same structure, including: A metal bottom sheet fixed to the base; A planar inverted F antenna is printed on a second substrate, the second substrate is vertically fixed on the metal bottom sheet, and the planar inverted F antenna includes: The third part is in a strip shape and is disposed on the first surface of the second substrate; Part 4, Presentation shape, one end of which is vertically connected to one end of the third portion, and the other end of which is vertically connected to the second substrate; The fifth part is in a strip shape and is disposed on the second surface of the second substrate; The sixth portion is in a strip shape and is disposed on the second surface of the second substrate. The projections of the fifth portion and the sixth portion on the first surface of the second substrate are distributed on both sides of the third portion.

7. The antenna system according to claim 1, characterized in that: The second single-frequency antenna, the fifth single-frequency antenna and the sixth single-frequency antenna have the same structure and are respectively arranged on the third substrate, including: Four second upwind model radiation patches are arranged on the upper surface of the third substrate, are centrally symmetrically arranged and distributed on the third circumference; Four second downwind vehicle radiation patches are arranged on the lower surface of the third substrate, are centrally symmetrically arranged and distributed on a fourth circle, wherein the radius of the third circle is equal to the radius of the fourth circle, and each first upwind vehicle radiation patch and each downwind vehicle patch are in a 7 shape; the orientation of the four second upwind vehicle radiation patches is different from that of the four second downwind vehicle radiation patches.

8. The antenna system according to claim 1, characterized in that The first SC antenna and the second SC antenna include: The seventh part is in a long strip shape and is fixed to the base, and the eighth part and the ninth part are vertically arranged at one end of one side of the seventh part; a fourth connecting portion, one end of which is vertically and electrically connected to the other end of one side of the seventh portion; The tenth part is in a long strip shape and has a T-shaped slot, and is electrically connected to the other end of the fourth connecting part; The eleventh part is in a convex shape, one end of which is vertically connected to the eighth part and the other end is suspended in the air. The eighth part and the ninth part are arranged on both sides of the eleventh part.

9. The antenna system according to claim 1, characterized in that: The IoT antenna comprises: A second grounding structure, in a convex shape, is disposed on the base; a fifth connecting portion, which is in a shape of P, vertically connected to the second grounding structure, and forms a second narrow gap with the second grounding structure; The sixth connecting portion is trapezoidal and vertically connected to the center of the fifth connecting portion; The twelfth part is disc-shaped, and its center is vertically connected to the sixth connecting part.

10. An electronic device comprising the antenna system according to any one of claims 1 to 9.

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