CN118040291A - Antenna structure and electronic equipment - Google Patents

Abstract

The embodiment of the disclosure discloses an antenna structure and electronic equipment, the antenna structure includes: the antenna cover, the reflecting plate and the antenna element; the antenna element is positioned in a closed space formed by the antenna housing and the reflecting plate; the antenna oscillator comprises a vertical polarized oscillator and an annular horizontal polarized oscillator, and the vertical polarized oscillator penetrates through the annular horizontal polarized oscillator. By the antenna structure, extra space is not required, and the height of the antenna structure can be reduced.

Description

Antenna structure and electronic equipment

Technical Field

The disclosure relates to the field of antenna technology, and in particular, to an antenna structure and an electronic device.

Background

With the continuous development of wireless Network (NR) technology in the fifth generation mobile communication technology (5th Generation Mobile Communication Technology,5G), high-definition video, virtual Reality (VR), augmented Reality (Augmented Reality, AR) and other large-bandwidth service applications are continuously increased, the experience perception requirements of users on services are continuously improved, an innovative passive frequency conversion scheme is presented in the current 5G indoor coverage solution, a traditional single-channel passive Distributed antenna system (Distributed ANTENNA SYSTEM, DAS) is realized to rapidly improve the dual-flow signal effect and meet the requirements of users on network rate, but the antenna structure deployed in the existing wireless network is difficult to match with the dual-flow performance required by the passive frequency conversion scheme to meet the requirements.

Disclosure of Invention

In order to solve the existing technical problems, an embodiment of the disclosure provides an antenna structure and electronic equipment.

In order to achieve the above object, the technical solution of the embodiments of the present disclosure is implemented as follows:

in a first aspect, embodiments of the present disclosure provide an antenna structure, the antenna structure comprising: the antenna cover, the reflecting plate and the antenna element; wherein,

The antenna oscillator is positioned in a closed space formed by the antenna housing and the reflecting plate;

The antenna oscillator comprises a vertical polarized oscillator and an annular horizontal polarized oscillator, and the vertical polarized oscillator penetrates through the annular horizontal polarized oscillator.

In some embodiments, the vertically polarized vibrator is disposed through a center of a ring of the horizontally polarized vibrator.

In some embodiments, the antenna element includes a plurality of annular horizontal polarized elements for radiating different frequency bands, and the different annular horizontal polarized elements are arranged in parallel.

In some embodiments, the antenna element includes a first horizontal polarized element, where the first horizontal polarized element is a ring array formed by a plurality of array elements, and a feed amplitude and a feed phase of each array element are the same.

In some embodiments, the antenna element comprises a second horizontally polarized element, wherein the second horizontally polarized element is an electrically small loop antenna element.

In some embodiments, the radiation frequency band of the first horizontally polarized vibrator is higher than the radiation frequency band of the second horizontally polarized vibrator.

In some embodiments, the vertical polarization vibrator is a linear array formed by a plurality of array elements along the axial direction of the horizontal polarization vibrator.

In some embodiments, the feeding phase of each array element is the same, or a serial feeding mode is adopted for a plurality of array elements.

In some embodiments, the radiation frequency band of the vertically polarized vibrator is different from the radiation frequency band of the horizontally polarized vibrator.

In a second aspect, an embodiment of the present disclosure provides an electronic device, including a circuit board and the antenna structure of the first aspect, where the antenna structure further includes a plurality of feed lines; wherein,

One end of the feeder is connected with the vertical polarized vibrator, and the other end of the feeder is connected with the circuit board; one end of the other feeder is connected with the horizontal polarized vibrator, and the other end of the other feeder is connected with the circuit board.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:

by adopting the technical scheme of the embodiment of the disclosure, in the antenna structure, the vertical polarization vibrator penetrates through the annular horizontal polarization vibrator, the vertical polarization vibrator and the horizontal polarization vibrator can be well integrated in the horizontal direction, extra space is not required to be occupied, and meanwhile, the horizontal polarization vibrator does not need to occupy extra space in the vertical direction, so that the height of the antenna structure can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present disclosure, and other drawings may be obtained according to the provided drawings without inventive effort to those of ordinary skill in the art.

FIG. 1 is a schematic diagram of a system architecture of a passive frequency shifting chamber subsystem according to an embodiment of the disclosure;

Fig. 2 is a schematic diagram of a discone monopole omnidirectional antenna in accordance with an embodiment of the present disclosure;

fig. 3 is a schematic diagram of a discone high-gain single polarized omnidirectional antenna in an embodiment of the present disclosure;

fig. 4 is a schematic diagram of an omni-directional dual polarized antenna according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of a high gain antenna according to an embodiment of the disclosure;

fig. 6 is a second schematic diagram of a high gain antenna according to an embodiment of the disclosure;

fig. 7 is a third schematic diagram of a high gain antenna according to an embodiment of the present disclosure;

fig. 8 is a schematic diagram of a high gain antenna according to an embodiment of the present disclosure;

fig. 9 is a schematic diagram of an antenna structure according to an embodiment of the disclosure;

Fig. 10 is a schematic diagram of an antenna structure according to an embodiment of the disclosure;

FIG. 11 is a schematic diagram of a first horizontally polarized vibrator according to an embodiment of the present disclosure;

FIG. 12 is a schematic diagram of a second horizontally polarized vibrator according to an embodiment of the present disclosure;

fig. 13 is a schematic diagram of a composition structure of an electronic device according to an embodiment of the present disclosure.

Detailed Description

The present disclosure will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the related art, most indoor distribution systems deployed in a wireless network are single-channel coaxial cable distribution systems, that is, DAS, and with the continuous development of 5G services, it is difficult for a passive single-channel DAS system to meet the requirement of users on network rate. Therefore, when deploying a 5G indoor network, redeploying a single-way indoor partition into a two-way indoor partition to support a higher service rate becomes a problem to be solved.

In the related art, a passive frequency-shift chamber division scheme can be adopted to realize the conversion from a single-path chamber to a double-path chamber, and the method specifically comprises the following steps: in the deployed passive single-channel DAS system, the existing indoor antenna is replaced, the existing devices such as a single-channel feeder line and a coupler are utilized, a remote radio frequency unit (Remote Radio Unit, RRU) device is newly added as a signal source, and a newly added combiner combines the input multi-frequency-band signals together and inputs the signals into the DAS system. Fig. 1 is a schematic system architecture diagram of a passive frequency-shifting indoor subsystem according to an embodiment of the disclosure, as shown in fig. 1, in which a remote unit is an antenna. The signal source RRU outputs two channels of signals, wherein one channel is a non-frequency-shifting channel, and the output signals are directly radiated through a remote unit (antenna) in the DAS system without frequency change; the other channel is a frequency shift channel, the output signal realizes the frequency shift of the signal by a frequency shift technology, the frequency shifted signal is transmitted in the original distribution system device and feeder line, and the frequency recovery is needed by a passive mixer before the radiation is carried out by a remote unit (antenna). Because the signal after frequency shift has a large loss of transmitting power after passing through the passive mixer, in order to compensate the inherent loss of the passive mixer, designing a two-channel gain unbalanced antenna becomes a key point for determining the performance of the scheme.

In the related art, in order to ensure indoor coverage performance, a passive DAS system generally needs to use an antenna having an omni-directional radiation characteristic, for example, a discone mono-polarized omni-directional antenna, which has a good omni-directional radiation characteristic and low production and processing costs. Fig. 2 is a schematic diagram of a discone monopole omni-directional antenna according to an embodiment of the present disclosure, as shown in fig. 2, wherein the discone monopole omni-directional antenna is similar to a monopole antenna, and generates vertically polarized radiation with better omni-directional characteristics. However, conventional discone monopole omni-directional antennas have relatively low maximum gain values of about 3dBi to about 4dBi while maintaining a relatively low profile (typically 80 mm in height).

In order to improve the gain characteristic of the omni-directional antenna and enhance the coverage performance of the passive DAS system, an improved discone high-gain single-polarized omni-directional antenna is generated. Fig. 3 is a schematic diagram of a discone high-gain single-polarized omnidirectional antenna according to an embodiment of the present disclosure, as shown in fig. 3, where the discone high-gain single-polarized omnidirectional antenna has good omnidirectional radiation characteristics of a dipole antenna, and meanwhile, the discone structure makes currents on arms of the dipole not completely symmetrical, and current components in a horizontal direction make a radiation pattern have downtilt and beam compression characteristics, so that the antenna radiation pattern is realized from a "fat" standard dipole pattern to a high-gain omnidirectional pattern optimized to beam downtilt, and gain improvement of the antenna is realized by about 4 to 5dBi. It should be noted that, with the enhancement of the radiation characteristics of the antenna, the size of the antenna is also increased, and the typical height of the discone high-gain single-polarized omnidirectional antenna is 120 mm, which is increased by about 50% compared with the height of the discone single-polarized omnidirectional antenna.

The omni-directional antennas adopted by the two passive DAS systems are all single-polarized antennas and only support one radio frequency channel, so that the passive DAS system using the single-polarized omni-directional antennas can only work according to a single-input single-output mode of signals, namely, wireless signals can only realize a single-flow effect. In order to meet the characteristic requirements of signal multiple-in multiple-out (Multiple Input Multiple Output, MIMO), an omni-directional dual-polarized antenna is produced.

Fig. 4 is a schematic diagram of an omni-directional dual-polarized antenna according to an embodiment of the present disclosure, as shown in fig. 4, where a plurality of horizontal polarized vibrators are added on the basis of a discone high-gain single-polarized omni-directional antenna, the plurality of horizontal polarized vibrators form an annular array, and the plurality of horizontal polarized vibrators adopt a feeding form with equal amplitude and same phase, so that characteristics of horizontal polarization and omni-directional radiation can be achieved, and meanwhile MIMO can also be achieved by the antenna. However, because the cross section of the horizontal polarized vibrator is lower (i.e. the height from the ground is lower), the horizontal polarized vibrator has difficulty in realizing better omnidirectional radiation characteristics, in addition, the roundness of the directional pattern of the array antenna is strongly related to the number of array units, and under the condition of less array units, symmetrical pits appear on the horizontal plane of the radiation directional pattern of the antenna, so that the omnidirectional coverage performance is reduced; further, if the number of array elements is increased, the size of the antenna will also be significantly increased. Thus, considering the factors of antenna size and radiation performance in combination, a circular array having 4 to 6 array elements is generally used to achieve horizontally polarized omnidirectional radiation. It is also noted that current horizontally polarized vibrators operate in a frequency band above 1.7 gigahertz (GHz), not supporting 900 megahertz (MHz) and lower.

In order to achieve the omnidirectional antenna high-gain radiation characteristic, in the related art, the horizontal polarization high-gain is achieved by means of grouping in the vertical dimension. Fig. 5 is a schematic diagram of a high-gain antenna according to an embodiment of the present disclosure, as shown in fig. 5, in which four omni-directional horizontal polarization units are vertically arranged to realize a horizontal polarization high gain. Because the typical gain of the horizontal polarization unit is 2dBi, the antenna can realize the omnidirectional high-gain characteristic of 6.5dBi to 7.9dBi under the antenna height condition of 3.2 times of wavelength (the wavelength represents the free space wavelength corresponding to the working frequency band of the antenna).

In the related art, the staggered gaps on the coaxial metal cylinder can be used for realizing the omnidirectional circular polarization radiation characteristic; in order to obtain high gain radiation characteristics on the vertical plane, the antenna array can also be formed by adopting the antenna with the vertical dimension. Fig. 6 is a schematic diagram of a second high-gain antenna according to an embodiment of the disclosure, as shown in fig. 6, in which four sets of omni-directional circularly polarized vibrators are interleaved to form an array of slots. The antenna can realize the omnidirectional high-gain radiation characteristic of 5dBi to 6.5dBi under the condition that the height of the antenna is 4.3 times of the wavelength.

Fig. 7 is a schematic diagram of a high-gain antenna according to an embodiment of the present disclosure, as shown in fig. 7, the antenna unit used is the omni-directional dual-polarized antenna in the foregoing embodiment, the vertical polarization unit uses the omni-directional array element of the discone antenna, and the horizontal polarization uses the four-unit dipole ring array in the horizontal direction. By performing array in the vertical dimension, the omnidirectional high-gain characteristic of horizontal polarization/vertical polarization is realized, and the omnidirectional high-gain characteristic of 6.5 dBi-9 dBi can be finally realized under the condition that the antenna height is 6.4 times of wavelength.

Fig. 8 is a schematic diagram of a high-gain antenna according to an embodiment of the present disclosure, as shown in fig. 8, a directional dual-polarized dipole antenna is used to symmetrically form a triple linear array, so as to implement an omni-directional dual-polarized high-gain characteristic of ±45 degrees, and the antenna implements an omni-directional high-gain characteristic of 9.4dBi to 11.2dBi under an antenna height condition of 8.4 times of wavelength.

Because the maximum gain values of the two paths of the omni-directional dual-polarized antenna in the related technology are not different in the vertical plane, the basic requirement of unbalanced gain of the two paths of the indoor antenna after the passive single-path DAS is upgraded and transformed into the passive frequency-shifting indoor subsystem cannot be met. Meanwhile, the omnidirectional high-gain antennas in the related technology are large in height of the vertical dimension of the antennas, and indoor scenes generally do not have enough height space for installing the omnidirectional high-gain antennas. Therefore, how to achieve high gain characteristics of antennas at smaller sizes still presents a significant challenge in antenna design. Meanwhile, the related technology has no good technical proposal, and one channel of the double-channel antenna can simultaneously realize the omnidirectional high-gain characteristic, and the other channel can maintain the conventional gain characteristic.

Based on this, the embodiment of the disclosure discloses an antenna structure, fig. 9 is a schematic diagram of the antenna structure of the embodiment of the disclosure, and as shown in fig. 9, the antenna structure includes: radome 101, reflecting plate 102, and antenna element 103; wherein,

The antenna element 103 is located in the enclosed space formed by the radome 101 and the reflecting plate 102;

the antenna element 103 includes a vertical polarized element 1031 and an annular horizontal polarized element 1032, and the vertical polarized element 1031 penetrates through the annular horizontal polarized element 1032.

In the embodiment of the present disclosure, the antenna structure includes a radome 101, a reflecting plate 102 and an antenna element 103, wherein the reflecting plate 102 is located at the end of the vertically polarized element 1031, and is connected to the radome 101, and the antenna element 103 is located in an enclosed space formed by the radome 101 and the reflecting plate 102. It should be noted that, the radome 103 may be made of any nonmetallic material, such as polyethylene; the same reflecting plate 102 may be made of any metal material, such as aluminum; the present invention is not particularly limited herein.

In the embodiment of the present disclosure, the antenna element 103 includes a horizontally polarized element 1032 and a vertically polarized element 1031, where the radiation frequencies of the horizontally polarized element 1032 and the vertically polarized element 1031 may be the same or different. It should be noted that, the specific implementation manner of the antenna element 103 may be a printed circuit board (Printed Circuit Board, PCB) structure, a sheet metal structure, a die-casting structure, a plastic electroplating structure, and the like, which is not limited herein.

In the embodiment of the present disclosure, the horizontally polarized vibrator 1032 has an omnidirectional radiation characteristic; the horizontal polarization element 1032 may be any antenna element having a loop structure, for example, an electrical small loop antenna element; the horizontal polarization vibrator 1032 may be in any one of a circular ring, a square ring, a regular polygon ring, an irregular ring, etc.; the number of horizontal polarization vibrators 1032 may be one or more. When the number of the horizontal polarization vibrators 1032 is plural, the shapes of the respective horizontal polarization vibrators 1032 may be the same or may be different from each other; the types of the horizontal polarization vibrators 1032 may be the same or different from each other; meanwhile, the radiation frequency bands of the horizontal polarization vibrators 1032 may be the same or different from each other.

In the embodiment of the present disclosure, the vertically polarized vibrator 1031 has an omnidirectional radiation characteristic; the vertical polarization element 1031 may be any antenna element that may be penetrated by the annular horizontal polarization element 1032, for example, a linear array formed by a plurality of array elements along the axis direction of the horizontal polarization element, which is not particularly limited herein.

It can be appreciated that, by adopting the technical solution of the embodiment of the present disclosure, in the antenna structure, the vertical polarized vibrator 1031 penetrates through the annular horizontal polarized vibrator 1032, and the vertical polarized vibrator 1031 and the horizontal polarized vibrator 1032 can be well integrated in the horizontal direction, so that no additional space is required to be occupied, and meanwhile, no additional space is required to be occupied by the horizontal polarized vibrator 1032 in the vertical direction, so that the height of the antenna structure can be reduced.

In some embodiments, the vertically polarized vibrator is disposed through a center of a ring of the horizontally polarized vibrator.

In the embodiment of the disclosure, the vertical polarized vibrator and the horizontal polarized vibrator both have omnidirectional radiation characteristics, when the horizontal polarized vibrator is in an annular structure, the vertical polarized vibrator is a circle of symmetrical metal environment around the vertical polarized vibrator relative to the vertical polarized vibrator when penetrating through the annular center of the horizontal polarized vibrator, and the vertical polarized vibrator is a metal environment on the central axis of the horizontal polarized vibrator relative to the horizontal polarized vibrator. The vertical polarized vibrator radiates electromagnetic waves with vertical polarization, and the horizontal polarized vibrator radiates electromagnetic waves with horizontal polarization, which are mutually orthogonal and have zero mutual coupling. Therefore, the vertical polarized vibrator is arranged in the center of the ring of the horizontal polarized vibrator in a penetrating way, namely, the vertical polarized vibrator and the horizontal polarized vibrator are arranged coaxially, so that the vertical polarized vibrator and the horizontal polarized vibrator can keep good omnidirectional radiation characteristics, and meanwhile, the antenna structure can have dual polarization characteristics under a smaller size.

In some embodiments, the antenna element includes a plurality of annular horizontal polarized elements for radiating different frequency bands, and the horizontal polarized elements of the different frequency bands are arranged in parallel.

In the embodiment of the present disclosure, since the antenna element is located in the enclosed space formed by the radome and the reflecting plate, the working bandwidth of the horizontally polarized element may be limited by the height of the antenna, and therefore, in the embodiment of the present disclosure, according to the radiation frequency band of the antenna element, a plurality of annular horizontally polarized elements may be included in the antenna element, and each horizontally polarized element is used for radiating different frequency bands. For example, the antenna element may include three annular horizontal polarization elements, where the three horizontal polarization elements are used to radiate 800-900 MHz, 1.8-2.3 GHz, and 2.5GHz, respectively, so that the horizontal polarization elements can cover multiple frequency band signals at the same time.

In the embodiment of the present disclosure, in order to reduce interference between horizontal polarization oscillators in a plurality of different frequency bands, the horizontal polarization oscillators in the different frequency bands are arranged in parallel.

Fig. 10 is a schematic diagram of a second antenna structure according to an embodiment of the disclosure, as shown in fig. 10, where the antenna structure includes: the radome 101, the reflection plate 102, and the antenna element 103 includes a vertical polarization element 1031, a circular horizontal polarization element 10321, and a circular horizontal polarization element 10322. The annular horizontal polarization vibrator 10321 and the annular horizontal polarization vibrator 10322 are used for radiating different frequency bands, and the annular horizontal polarization vibrator 10321 and the annular horizontal polarization vibrator 10322 are arranged in parallel.

It can be appreciated that, by adopting the technical scheme of the embodiment of the disclosure, the antenna oscillator comprises a plurality of annular horizontal polarization oscillators, the plurality of annular horizontal polarization oscillators are used for radiating different frequency bands, and the horizontal polarization oscillators in different frequency bands are arranged in parallel, so that the horizontal polarization oscillators radiate a plurality of frequency bands, and meanwhile, each horizontal polarization oscillator can also have good port isolation.

In some embodiments, the antenna element includes a first horizontal polarized element, where the first horizontal polarized element is a ring array formed by a plurality of array elements, and a feed amplitude and a feed phase of each array element are the same.

In the embodiment of the present disclosure, the antenna element includes a first horizontal polarization element, where the first horizontal polarization element may be formed by a plurality of array elements according to different format sizes and roundness requirements of the directional diagram, and in general, the larger the number of array elements, the larger the format size of the first horizontal polarization element, and the better the roundness of the first horizontal polarization element. When the feeding amplitude and the feeding phase of each array element are the same, the first horizontal polarization vibrator can realize omnidirectional horizontal polarization radiation.

It should be noted that, in the embodiment of the present disclosure, the array element may be any antenna array element, for example, a wideband oscillator; the annular array formed by the array elements can be a circular array or a regular polygon array and the like; the number of array elements constituting the annular array may be 3 or more, and the specific number may be selected according to the radiation performance, the size, and the like of the first horizontally polarized vibrator. For example, 5 array elements are adopted to form a circular array, so that good omnidirectional and broadband radiation characteristics can be obtained under the condition of smaller antenna size. Fig. 11 is a schematic diagram of a first horizontal polarized vibrator according to an embodiment of the disclosure, and as shown in fig. 11, the first horizontal polarized vibrator is a circular ring array composed of 4 wideband vibrators.

It can be appreciated that, by adopting the technical scheme of the embodiment of the disclosure, the horizontal polarization vibrator includes a first horizontal polarization vibrator, where the first horizontal polarization vibrator is an annular array formed by a plurality of array elements, and the feeding amplitude and the feeding phase of each array element are the same. Therefore, the first horizontal polarization vibrator can have good omnidirectional horizontal polarization radiation characteristics under the condition of smaller antenna size; meanwhile, the first horizontal polarized vibrator is further provided with a space through which the vertical polarized vibrator can penetrate, so that the vertical polarized vibrator can penetrate through the first horizontal polarized vibrator conveniently.

In some embodiments, the antenna element comprises a second horizontally polarized element, wherein the second horizontally polarized element is an electrically small loop antenna element.

In an embodiment of the disclosure, the antenna element comprises a second horizontally polarized element, wherein the second horizontally polarized element is an electrically small loop antenna element. Due to the characteristics of the electric small loop antenna element, the size (radius or 1/2 maximum diagonal length) of the electric small loop antenna element is smaller than 1/4 wavelength, and the area is smaller. It should be noted that, the electrical small loop antenna element may be a circular loop, a square loop, a regular polygon loop, or an irregular loop, and the embodiments of the present disclosure are not limited in particular. Fig. 12 is a schematic diagram of a second horizontally polarized dipole according to an embodiment of the present disclosure, and as shown in fig. 12, the electrical small loop antenna element is in a circular shape.

In the embodiment of the disclosure, in order to make the electric small loop antenna element present the omnidirectional radiation characteristic in the working frequency band, a technology of loading on a loop (including a mode of loading a lumped element and the like) may be adopted, so that currents distributed on the electric small loop antenna element present the characteristics of equal amplitude and identical phase, and thus, symmetrical currents in the axial direction of the electric small loop antenna element may cancel each other, thereby realizing good omnidirectional radiation characteristic.

It can be appreciated that, by adopting the technical scheme of the embodiment of the disclosure, the second horizontal polarized oscillator included in the antenna oscillator is an electric small loop antenna oscillator, so that the low-frequency omni-directional coverage of the horizontal polarized oscillator can be realized, and meanwhile, the electric small loop antenna oscillator also has a space through which the vertical polarized oscillator can be penetrated, so that the vertical polarized oscillator is convenient to penetrate through the second horizontal polarized oscillator.

In some embodiments, the radiation frequency band of the first horizontally polarized vibrator is higher than the radiation frequency band of the second horizontally polarized vibrator.

In the embodiment of the disclosure, the horizontal polarized oscillators include a first horizontal polarized oscillator and a second horizontal polarized oscillator, wherein the first horizontal polarized oscillator is an annular array, and the second horizontal polarized oscillator is an electric small loop antenna oscillator. The radiation frequency band of the first horizontal polarized vibrator is higher than that of the second horizontal polarized vibrator, namely, the electric small loop antenna is used for realizing low-frequency signal coverage, and the annular array is used for realizing medium-high frequency signal coverage, so that the horizontal polarized vibrator can simultaneously realize horizontal polarized omnidirectional radiation of the low frequency band, the medium frequency band and the high frequency band under the antenna structure with a low profile and a low breadth.

In some embodiments, the vertical polarization vibrator is a linear array formed by a plurality of array elements along the axial direction of the horizontal polarization vibrator.

It should be noted that in the embodiment of the present disclosure, the array element may be a vertical dipole antenna element with various forms, such as a dipole antenna adopting loading and bending technologies. Dipole antenna elements employing loading and bending techniques are capable of producing omni-directional vertically polarized radiation in a particular operating frequency band at lower profile conditions.

In the embodiment of the disclosure, a plurality of array elements form a linear array along the axial direction of the horizontal polarized vibrator, so that omnidirectional vertical polarized radiation can be generated, that is, the vertical polarized vibrator can generate omnidirectional vertical polarized radiation; meanwhile, a plurality of array elements form a linear array along the axis direction of the horizontal polarized vibrator, so that the vertical polarized vibrator can conveniently penetrate through the annular horizontal polarized vibrator, and the small size and the low profile of the antenna structure are realized. It should be noted that, in the embodiment of the present disclosure, an omni-directional vertical polarized antenna is implemented by using a mode of grouping a plurality of array elements along the axis direction of the horizontal polarized oscillator. The number of array elements may be different according to different gain requirements, for example, a high gain of 7dBi may be achieved by using a three-unit array.

It can be appreciated that, by adopting the technical scheme of the embodiment of the disclosure, the plurality of array elements form the vertical polarization array along the axis direction of the horizontal polarization oscillator, so that the vertical polarization oscillator can realize the high gain characteristic of the vertical polarization oscillator on the premise of keeping the omnidirectional radiation and the vertical polarization characteristic, thereby realizing the conventional gain of the horizontal polarization oscillator and the high gain of the vertical polarization oscillator in the antenna structure, and further obtaining the antenna structure with unbalanced gain of two channels.

In some embodiments, the feeding phase of each array element is the same, or a serial feeding mode is adopted for a plurality of array elements.

In the embodiment of the present disclosure, when the feeding phase of each array element in the vertically polarized vibrator is the same, or a serial feeding mode is adopted for a plurality of array elements, the vertically polarized vibrator can realize omnidirectional radiation in a vertical plane. That is, in the embodiment of the present disclosure, the vertical polarization vibrator is an omni-directional vertical polarization vibrator, and at the same time, the omni-directional vertical polarization vibrator is a linear array formed by a plurality of array elements along the axis direction of the horizontal polarization vibrator; because the maximum gain direction of the omnidirectional vertical polarized vibrator is side-shooting, the side-shooting array is assembled along the axis direction of the horizontal polarized vibrator, so that the maximum radiation direction of the array factor is close to the maximum radiation direction of the array element, gain superposition in the side-shooting direction can be realized, and the vertical polarized vibrator can realize high-gain omnidirectional radiation.

In some embodiments, the radiation frequency band of the vertically polarized vibrator is different from the radiation frequency band of the horizontally polarized vibrator.

Based on the foregoing embodiment, when the original single-channel DAS system is modified into a passive frequency-shift indoor subsystem supporting dual-channel signals, the system needs to use a new omni-directional dual-polarized antenna, and the new antenna needs to have two channels to realize signal coverage of full frequency band, but the conventional omni-directional dual-polarized antenna usually uses a vertically polarized vibrator to radiate a low frequency band, and the horizontally polarized vibrator only radiates a middle and high frequency bands.

In the embodiment of the present disclosure, the radiation frequency band of the vertical polarized vibrator may be any frequency band, and at the same time, the radiation frequency band of the horizontal polarized vibrator may also be any frequency band, where the radiation frequency band of the vertical polarized vibrator is different from the radiation frequency band of the horizontal polarized vibrator. For example, the radiation frequency band of the vertical polarization vibrator can be the frequency shift channel working frequency band (such as about 1.4 GHz) of the passive frequency shift room subsystem, and the horizontal polarization vibrator can simultaneously realize signal coverage of low (such as 800 MHz-900 MHz), medium (such as 1.8 GHz-2.3 GHz) and high frequency bands (such as more than 2.5 GHz). Thus, the antenna structure in the embodiment of the disclosure can simultaneously realize full-band radiation.

The embodiment of the disclosure also provides electronic equipment. Fig. 13 is a schematic diagram of a composition structure of an electronic device according to an embodiment of the present disclosure. As shown in fig. 13, the electronic apparatus 200 includes a circuit board 205 and the antenna structure in the foregoing embodiment, and further includes a plurality of power supply lines in the antenna structure, wherein one end of one power supply line 2042 is connected to the vertically polarized vibrator 2031 and the other end is connected to the circuit board 205; one end of the other power feed line 2041 is connected to the horizontally polarized vibrator 2032, and the other end is connected to the circuit board 205.

In the embodiment of the present disclosure, it is to be noted that the number of feed lines in the antenna structure corresponds to the number of antenna elements. Illustratively, the antenna structure includes a radome 201, a reflecting plate 202, a vertically polarized element 2031, and a horizontally polarized element 2032. The antenna structure further includes two power feeding lines, wherein one end of one power feeding line 2042 is connected to the vertically polarized vibrator 2031, and the other end is connected to the circuit board 205; one end of the other power feed line 2041 is connected to the horizontally polarized vibrator 2032, and the other end is connected to the circuit board 205. Each antenna element is connected with the circuit board by introducing a feeder line, different feeding modes can be selected according to different antenna elements, and the radiation performance of the antenna structure can be further improved.

The methods disclosed in the several method embodiments provided in the present disclosure may be arbitrarily combined without collision to obtain a new method embodiment.

The features disclosed in the several product embodiments provided in the present disclosure may be combined arbitrarily without conflict to obtain new product embodiments.

The features disclosed in the several method or apparatus embodiments provided in the present disclosure may be arbitrarily combined without any conflict to obtain new method embodiments or apparatus embodiments.

In the several embodiments provided in the present disclosure, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.

The units described as separate units may or may not be physically separate, and units displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present disclosure may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (10)

1. An antenna structure, the antenna structure comprising: the antenna cover, the reflecting plate and the antenna element; wherein,

The antenna oscillator is positioned in a closed space formed by the antenna housing and the reflecting plate;

The antenna oscillator comprises a vertical polarized oscillator and an annular horizontal polarized oscillator, and the vertical polarized oscillator penetrates through the annular horizontal polarized oscillator.

2. The antenna structure according to claim 1, wherein the vertically polarized element is provided through a center of a loop of the horizontally polarized element.

3. An antenna arrangement according to claim 1 or 2, characterized in that the antenna element comprises a plurality of ring-shaped horizontally polarized elements for radiating different frequency bands, the different ring-shaped horizontally polarized elements being arranged in parallel.

4. The antenna structure of claim 3, wherein the antenna element comprises a first horizontally polarized element, wherein the first horizontally polarized element is a ring array formed by a plurality of array elements, and a feed amplitude and a feed phase of each array element are the same.

5. The antenna structure of claim 4, wherein the antenna element comprises a second horizontally polarized element, wherein the second horizontally polarized element is an electrically small loop antenna element.

6. The antenna structure of claim 5, wherein the radiating band of the first horizontally polarized element is higher than the radiating band of the second horizontally polarized element.

7. The antenna structure according to claim 1 or 2, wherein the vertical polarization element is a linear array formed by a plurality of array elements along an axis direction of the horizontal polarization element, and a feeding phase of each array element is the same, or a serial feeding mode is adopted for the plurality of array elements.

8. The antenna structure of claim 7, wherein each of the array elements has the same feeding phase, or a plurality of the array elements are fed in series.

9. The antenna structure according to claim 1, wherein a radiation frequency band of the vertically polarized element is different from a radiation frequency band of the horizontally polarized element.

10. An electronic device comprising a circuit board and the antenna structure of any one of claims 1 to 9, the antenna structure further comprising a plurality of feed lines; wherein,

One end of the feeder is connected with the vertical polarized vibrator, and the other end of the feeder is connected with the circuit board; one end of the other feeder is connected with the horizontal polarized vibrator, and the other end of the other feeder is connected with the circuit board.