CN111600126A - Miniaturized antenna - Google Patents
Miniaturized antenna Download PDFInfo
- Publication number
- CN111600126A CN111600126A CN202010622979.1A CN202010622979A CN111600126A CN 111600126 A CN111600126 A CN 111600126A CN 202010622979 A CN202010622979 A CN 202010622979A CN 111600126 A CN111600126 A CN 111600126A
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- CN
- China
- Prior art keywords
- cavity
- phase shifter
- miniaturized antenna
- radiating element
- phase
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/106—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using two or more intersecting plane surfaces, e.g. corner reflector antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
Abstract
The invention provides a miniaturized antenna which comprises a reflecting plate, a first radiation unit and a first phase shifter, wherein the first radiation unit and the first phase shifter are respectively arranged on two opposite surfaces of the reflecting plate, the first radiation unit comprises a radiation arm and a feed sheet used for feeding to the radiation arm, the first phase shifter comprises a cavity and a phase-shifting circuit arranged in the cavity, the feed sheet penetrates through the reflecting plate and penetrates into the cavity to be connected with the phase-shifting circuit, and a gap is formed between the cavity and the reflecting plate. In the miniaturized antenna provided by the invention, the first radiation unit is directly connected with the first phase shifter without an external coaxial cable, so that the assembly process can be effectively simplified, the dielectric loss caused by the coaxial cable can be avoided, and the antenna gain is improved. And secondly, because a gap is formed between the cavity and the reflecting plate, the coupling influence between different frequency bands can be reduced, so that the antenna can be configured with a multi-band radiation unit, and the applicability is improved.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to a miniaturized antenna.
Background
With the rapid development of mobile communication networks, a base station antenna needs to integrate multiple frequency bands to meet the co-construction and sharing requirements of various operators or multiple operators, and particularly in the 5G network era, a pair of antennas is required to integrate all 4G network antennas. In order to meet the reliability of the multi-frequency antenna after the antenna is placed on the tower, the wind load of the antenna needs to be designed to be as small as possible on the cross section of the antenna, so that the layout space among all accessories inside the antenna is very compact, the structure is complex, and the mass production is difficult.
At present, in current base station antenna, its radiating element and looks shifter regard as two core component parts, and the accessory that generally designs for mutual independence adopts coaxial cable to connect again when the assembly, and this structure can be along with the increase of antenna frequency channel, need set up a large amount of coaxial cable in the antenna is inside, leads to the antenna assembly complicacy and be difficult to realize compact overall arrangement, is unfavorable for the antenna miniaturization.
Disclosure of Invention
The invention aims to provide a miniaturized antenna which is simple and compact in structure and good in performance.
In order to achieve the purpose, the invention provides the following technical scheme:
a miniaturized antenna comprises a reflecting plate, a first radiating element and a first phase shifter, wherein the first radiating element and the first phase shifter are respectively arranged on two opposite surfaces of the reflecting plate, the first radiating element comprises a balun, a radiating arm supported by the balun and a feed sheet arranged in the balun and used for feeding the radiating arm, the first phase shifter comprises a cavity and a phase-shifting circuit arranged in the cavity, a mounting hole is formed in the mounting position of the reflecting plate at the first radiating element, the feed sheet penetrates through the mounting hole and penetrates into the cavity to be connected with the phase-shifting circuit, and a gap is formed between the cavity and the reflecting plate.
Preferably, the distance between the cavity and the reflector plate is greater than one fifth of the height of the balun.
Preferably, the miniaturized antenna further includes a mounting structure made of an insulating material, and the first phase shifter is mounted on the reflection plate through the mounting structure and insulated from the reflection plate.
More preferably, the first radiation unit is insulated from the reflection plate.
Preferably, the first phase shifter further includes a main feed circuit for feeding power to the phase shift circuit, the cavity includes a first cavity and a second cavity arranged side by side, the phase shift circuit is disposed in the first cavity, and the main feed circuit is disposed in the second cavity.
More preferably, the transmission line of the main feed circuit is provided as an air strip line and/or an air coaxial line.
Further, the cavity is close to the confession has been seted up to the one side of reflecting plate the feed piece penetrates the inside first hole of dodging of cavity, the cavity is kept away from the one side of reflecting plate has been seted up and has been supplied welding equipment to penetrate the cavity is inside will the feed piece weld in the hole is dodged to the last second of phase shift circuit.
Furthermore, the miniaturized antenna further comprises a positioning seat arranged between the first radiation unit and the first phase shifter, and the bottom end of the first radiation unit is embedded in the positioning seat.
Preferably, the first radiation unit further comprises a support seat arranged on the radiation arm and a guide sheet supported above the radiation arm through the support seat.
Preferably, the miniaturized antenna further includes a second radiation unit disposed on the same plane of the reflection plate together with the first radiation unit, and a second phase shifter disposed on a surface of the reflection plate opposite to the second radiation unit and electrically connected to the second radiation unit.
Compared with the prior art, the scheme of the invention has the following advantages:
1. in the miniaturized antenna provided by the invention, the feed sheet of the first radiation unit penetrates into the cavity of the first phase shifter to be directly connected with the phase shift circuit, and an external coaxial cable is not needed, so that the assembly process can be effectively simplified, the dielectric loss caused by the coaxial cable can be avoided, and the antenna gain is improved. And secondly, because a gap is formed between the cavity and the reflecting plate, the coupling influence between different frequency bands can be reduced, so that the miniaturized antenna can be configured with a multi-band radiation unit, and the applicability is improved.
2. In the miniaturized antenna provided by the invention, the first radiation unit and the first phase shifter are insulated relative to the reflecting plate, so that common-mode signals of other frequency bands can be effectively inhibited, and the radiation index of the miniaturized antenna is improved.
3. In the miniaturized antenna provided by the invention, the first phase shifter is respectively provided with the phase shifting circuit and the main feed circuit through the two cavities, and the main feed circuit feeds power to the phase shifting circuit, so that the phase shifting circuit does not need to be externally connected with a coaxial cable, the use of the coaxial cable is further reduced, the layout of the internal structure of the antenna is better optimized, and the miniaturization of the antenna is realized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a miniaturized antenna provided by an embodiment of the present invention;
FIG. 2 is a perspective view of the miniaturized antenna of FIG. 1 from another angle;
fig. 3 is a partially exploded view of the miniaturized antenna shown in fig. 1 with respect to a connection structure of a first radiation unit and a first phase shifter;
fig. 4 is a partial sectional view of the miniaturized antenna shown in fig. 1 with respect to a connection structure of a first radiation unit and a first phase shifter.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
It will be understood by those within the art that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
As shown in fig. 1, a miniaturized antenna 1000 according to an embodiment of the present invention includes a reflector 1, and a plurality of first radiation units 2 and second radiation units 3 both on a front surface of the reflector 1, where the first radiation units 2 are high-frequency radiation units, the second radiation units 3 are low-frequency radiation units, that is, the first radiation units 2 form a high-frequency array of the miniaturized antenna 1000, and the second radiation units 3 form a low-frequency array of the miniaturized antenna 1000, and respectively provide radiation and reception of high-frequency and low-frequency signals for the miniaturized antenna 1000.
As shown in fig. 2, the miniaturized antenna 1000 further includes a first phase shifter 4 and a second phase shifter 5 both disposed on the back surface of the reflection plate 1, where the first phase shifter 4 is connected to the first radiation element 2 and is configured to adjust the phase of the first radiation element 2, and the second phase shifter 5 is connected to the second radiation element 3 and is configured to adjust the phase of the second radiation element 3.
Referring to fig. 3 and 4, the first radiation unit 2 includes a balun 21, a radiation arm 22 supported by the balun 21, and a feeding tab 23 disposed in the balun 21 and used for feeding power to the radiation arm 22, the first phase shifter 4 includes a cavity 41 and a phase shift circuit 42 disposed in the cavity 41, a mounting hole 11 is formed in the reflection plate 1 at a position corresponding to a mounting position of the first radiation unit 2, and the feeding tab 23 of the first radiation unit 2 penetrates through the mounting hole 11 and the cavity 41 to be connected to the phase shift circuit 42.
As can be seen from the above, in the miniaturized antenna 1000, the first radiation unit 2, the reflection plate 1 and the first phase shifter 4 are stacked, and the feeding sheet 23 of the first radiation unit 2 extends into the cavity 41 of the first phase shifter 4 and is directly connected to the phase shift circuit 42, so that no external coaxial cable is required between the first radiation unit 2 and the first phase shifter 4, the assembly process of the antenna can be effectively simplified, the solder joints can be reduced, the hidden danger caused by the problem of weak solder joints can be avoided, and the dielectric loss caused by the coaxial cable can be avoided, thereby improving the antenna gain.
Fig. 4 shows that a gap is formed between the cavity 41 and the reflector 1, and the distance between the cavity 41 and the reflector 1 is greater than one fifth of the height of the balun 21, and the first phase shifter 4 and the reflector 1 are arranged at an interval, so that absolute insulation between the first phase shifter 4 and the reflector 1 is achieved, coupling and grounding of the first phase shifter 4 through the reflector 1 is effectively avoided, mutual coupling influence between the first radiation unit 2 and the second radiation unit 3 is reduced, the miniaturized antenna 1000 can be configured with radiation units in multiple frequency bands, the distance between arrays in different frequency bands can be reduced, and the applicability is improved.
It should be noted that, when the gap between the cavity 41 and the reflection plate 1 is larger, the insulation effect of the phase shift circuit 42 is better, but in order to avoid that the length of the balun 21 is too large to be easily matched, and to avoid that other structures are difficult to be arranged due to the first phase shifter 4 occupying too large installation space on the back surface of the reflection plate 1, which is not beneficial to realizing miniaturization of the antenna, the distance between the phase shift circuit 42 and the reflection plate 1 can be controlled to be between 0.2 and 0.3 times the height of the balun 21.
Preferably, the first radiation unit 2 is also insulated from the reflector 1, the balun 21 of the first radiation unit is directly fixed to the cavity 41 after passing through the mounting hole 11, and the balun 21 is not in contact with the reflector 1, that is, the first radiation unit 2 and the first phase shifter 4 are both insulated from the reflector 1, so that common-mode signals in other frequency bands can be effectively suppressed, and radiation indexes of the miniaturized antenna 1000 are improved.
Referring to fig. 2 and fig. 3, a first avoiding hole 411 (shown in fig. 3) is formed in a surface of the cavity 41 close to the reflection plate 1, through which the feeding plate 23 penetrates, and a second avoiding hole 412 (shown in fig. 2) is formed in a surface of the cavity 41 far from the reflection plate 1, through which a welding device penetrates, so as to weld the feeding plate 23 to the phase shift circuit 42. When assembling, feed piece 23 passes through first hole 411 of dodging penetrates after the cavity 41 is inside penetrate phase shift circuit 42 and with the solder joint that corresponds on the phase shift circuit 42 is connected, then adopts welding equipment to pass through hole 412 of dodging of second penetrates in the cavity 41 will feed piece 23 weld in on the phase shift circuit 42, this structure is convenient feed piece 23's welding and joint strength are high, and stability is strong.
Referring to fig. 3 and 4, a first connection hole 211 (shown in fig. 4) is formed at a bottom end of the balun 21, a second connection hole 413 (shown in fig. 3) is formed at a position of the cavity 41 corresponding to the first connection hole 211, and after the balun 21 abuts against the cavity 41, a screw 6 is screwed into the second connection hole 413 and the first connection hole 211 to fix the balun 21 relative to the cavity 41, so that the first radiation unit 2 is stably fixed on the first phase shifter 4, and an electroplating process on a surface of the cavity 41 can be further reduced by fixing the screw 6, so as to reduce a process requirement and improve intermodulation stability.
Preferably, the projection of the second connection hole 413 on the surface of the cavity 41 far from the reflection plate 1 is located within the range of the second avoiding hole 412, and the screw 6 and the corresponding screwing tool of the screw 6 can be more conveniently penetrated through the second avoiding hole 412, so that the convenience of the screw 6 assembling process is improved.
Further, the miniaturized antenna 1000 further includes a positioning seat 7 disposed between the first radiation unit 2 and the first phase shifter 4, the positioning seat 7 includes a positioning groove 71, the bottom end of the balun 21 is embedded in the positioning groove 71, and the positioning seat 7 fixes and positions the first radiation unit 2, so that the mounting accuracy of the first radiation unit 2 can be improved.
As shown in fig. 4, the miniaturized antenna 1000 further includes a mounting structure 8 made of an insulating material, the mounting structure 8 may be a clamp made of a plastic material, a thickness of the structure between the first phase shifter 2 and the reflector 1 is set according to a requirement of a distance between the first phase shifter 2 and the reflector 1, the first phase shifter 2 is mounted on the reflector 1 through the mounting structure 8 and insulated from the reflector 1, and the first phase shifter 2 maintains a preset distance between the mounting structure 8 and the reflector 1.
Referring to fig. 3 and 4, the first phase shifter 4 further includes a main feed circuit 43 for feeding the phase shift circuit 42, the cavity 41 includes a first cavity 41a and a second cavity 41b that are arranged side by side, the phase shift circuit 42 is disposed in the first cavity 41a, the main feed circuit 43 is disposed in the second cavity 41b, and the phase shift circuit 42 is fed by the main feed circuit 43, so that the phase shift circuit 42 does not need to be connected to an external coaxial cable, the use of the coaxial cable is further reduced, the layout of the internal structure of the antenna is better optimized, and the antenna is miniaturized.
Preferably, the transmission line of the main feed circuit 43 is an air strip line and/or an air coaxial line, which has the advantages of small volume, light weight, wide frequency band, low cost, and the like compared with a coaxial cable, so that the cost can be reduced and the working efficiency of the first phase shifter 4 can be improved.
In another embodiment, the phase shift circuits 42 may be disposed in the first cavity 41a and the second cavity 41b, the first radiation unit 2 includes two feeding sheets 23 respectively located in the polarization directions of ± 45 degrees, the two feeding sheets 23 penetrate into the first cavity 41a and the second cavity 41b in a one-to-one correspondence manner to be connected to the corresponding phase shift circuits 42, and the phases of the first radiation unit 2 in the two polarization directions can be adjusted by the two phase shift circuits 42.
Preferably, the first radiation unit 2 further includes a support seat 24 disposed on the radiation arm 22 and a guiding sheet 25 supported above the radiation arm 22 through the support seat 24, a signal of the first radiation unit 2 can be coupled from the radiation arm 22 to the guiding sheet 25, and then radiated outwards through the guiding sheet 25, and the bandwidth of the first radiation unit 2 can be increased through the guiding sheet 25, so as to improve performance parameters of the first radiation unit 2.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A miniaturized antenna comprises a reflecting plate, a first radiating element and a first phase shifter, wherein the first radiating element and the first phase shifter are respectively arranged on two opposite surfaces of the reflecting plate, the first radiating element comprises a balun, a radiating arm supported by the balun and a feed sheet arranged in the balun and used for feeding the radiating arm, the first phase shifter comprises a cavity and a phase-shifting circuit arranged in the cavity, and the miniaturized antenna is characterized in that a mounting hole is formed in the mounting position of the reflecting plate on the first radiating element, the feed sheet penetrates through the mounting hole and penetrates into the cavity to be connected with the phase-shifting circuit, and a gap is formed between the cavity and the reflecting plate.
2. The miniaturized antenna of claim 1 wherein a spacing between the cavity and the reflector plate is greater than one fifth of a height of the balun.
3. The miniaturized antenna of claim 2 further comprising a mounting structure made of an insulating material, wherein the first phase shifter is mounted on the reflection plate through the mounting structure and insulated from the reflection plate.
4. The miniaturized antenna of claim 3 wherein the first radiating element is insulated from the reflector plate.
5. The miniaturized antenna of claim 1 wherein the first phase shifter further comprises a main feed for feeding the phase shifting circuit, the cavities comprising a first cavity and a second cavity arranged side by side, the phase shifting circuit disposed within the first cavity, the main feed disposed within the second cavity.
6. The miniaturized antenna of claim 5 wherein the transmission line of the main feed is provided as an air stripline and/or an air coaxial line.
7. The miniaturized antenna of claim 1, wherein a first avoiding hole for the feeding plate to penetrate into the cavity is formed in a surface of the cavity close to the reflection plate, and a second avoiding hole for a welding device to penetrate into the cavity to weld the feeding plate on the phase shift circuit is formed in a surface of the cavity far from the reflection plate.
8. The miniaturized antenna of claim 1 further comprising a positioning seat disposed between the first radiating element and the first phase shifter, wherein a bottom end of the first radiating element is embedded in the positioning seat.
9. The miniaturized antenna of claim 1 wherein the first radiating element further comprises a support base disposed on the radiating arm and a guide piece supported above the radiating arm by the support base.
10. The miniaturized antenna of claim 1 further comprising a second radiating element disposed on the same plane of the reflector plate as the first radiating element, and a second phase shifter disposed on a surface of the reflector plate opposite to the second radiating element and electrically connected to the second radiating element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010622979.1A CN111600126A (en) | 2020-06-30 | 2020-06-30 | Miniaturized antenna |
| PCT/CN2020/141625 WO2022001068A1 (en) | 2020-06-30 | 2020-12-30 | Miniaturized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010622979.1A CN111600126A (en) | 2020-06-30 | 2020-06-30 | Miniaturized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111600126A true CN111600126A (en) | 2020-08-28 |
Family
ID=72189774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010622979.1A Pending CN111600126A (en) | 2020-06-30 | 2020-06-30 | Miniaturized antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111600126A (en) |
| WO (1) | WO2022001068A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346251A (en) * | 2021-04-26 | 2021-09-03 | 广东通宇通讯股份有限公司 | Antenna setting method based on height and frequency band of radiation unit and antenna |
| CN113437488A (en) * | 2021-06-07 | 2021-09-24 | 京信通信技术(广州)有限公司 | Multi-frequency array antenna, radiation structure and assembly method of radiation structure |
| WO2022001068A1 (en) * | 2020-06-30 | 2022-01-06 | 京信通信技术(广州)有限公司 | Miniaturized antenna |
| WO2023078121A1 (en) * | 2021-11-03 | 2023-05-11 | 华为技术有限公司 | Antenna and base station device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206992306U (en) * | 2017-04-28 | 2018-02-09 | 广州司南天线设计研究所有限公司 | A kind of 10 oscillator space solid phase shifters and its component for antenna for base station |
| CN109841963B (en) * | 2017-11-28 | 2021-06-15 | 华为技术有限公司 | Feed system, antenna system and base station |
| CN209329161U (en) * | 2019-01-30 | 2019-08-30 | 京信通信技术(广州)有限公司 | Phase shift feeder equipment and antenna for base station |
| CN111048896A (en) * | 2019-12-25 | 2020-04-21 | 京信通信技术(广州)有限公司 | Communication system, antenna and feeding structure thereof |
| CN212162083U (en) * | 2020-06-30 | 2020-12-15 | 京信通信技术(广州)有限公司 | Miniaturized antenna |
| CN111600126A (en) * | 2020-06-30 | 2020-08-28 | 京信通信技术(广州)有限公司 | Miniaturized antenna |
-
2020
- 2020-06-30 CN CN202010622979.1A patent/CN111600126A/en active Pending
- 2020-12-30 WO PCT/CN2020/141625 patent/WO2022001068A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022001068A1 (en) * | 2020-06-30 | 2022-01-06 | 京信通信技术(广州)有限公司 | Miniaturized antenna |
| CN113346251A (en) * | 2021-04-26 | 2021-09-03 | 广东通宇通讯股份有限公司 | Antenna setting method based on height and frequency band of radiation unit and antenna |
| CN113437488A (en) * | 2021-06-07 | 2021-09-24 | 京信通信技术(广州)有限公司 | Multi-frequency array antenna, radiation structure and assembly method of radiation structure |
| WO2022257531A1 (en) * | 2021-06-07 | 2022-12-15 | 京信通信技术(广州)有限公司 | Multi-frequency array antenna, radiation structure and method for assembling radiation structure |
| WO2023078121A1 (en) * | 2021-11-03 | 2023-05-11 | 华为技术有限公司 | Antenna and base station device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022001068A1 (en) | 2022-01-06 |
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