CN119923765A - Multi-band antenna assembly and device having the same - Google Patents
Multi-band antenna assembly and device having the same Download PDFInfo
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- CN119923765A CN119923765A CN202280100169.7A CN202280100169A CN119923765A CN 119923765 A CN119923765 A CN 119923765A CN 202280100169 A CN202280100169 A CN 202280100169A CN 119923765 A CN119923765 A CN 119923765A
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- antenna assembly
- ground
- antenna
- ground plane
- point
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
- H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength
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Abstract
An antenna assembly and an electronic device having the same are disclosed. The antenna assembly includes a ground element configured to be electrically connected to the ground plane at a ground point and a feed element configured to be electrically connected to the radio signal circuitry at a feed point. The ground element is physically separated and disconnected from the feed element, and at least a portion of the feed element extends substantially parallel to at least a portion of the ground element to provide capacitive coupling between the feed element and the ground element during operation of the antenna assembly. An antenna assembly according to the present disclosure may be manufactured to have a small size and a thin thickness while ensuring performance and antenna efficiency of the antenna assembly.
Description
Technical Field
The present disclosure relates generally to an antenna apparatus suitable for a mobile terminal, and more particularly, to a multi-band antenna assembly and an electronic device having the same.
Background
Mobile devices such as mobile phones, personal Digital Assistant (PDA) devices, gaming devices, and Augmented Reality (AR)/Virtual Reality (VR) devices are becoming increasingly popular. Such electronic devices typically have wireless communication capabilities and are integrated with antennas for wireless communication. Due to the small size of such mobile devices, the space for the antenna in the mobile device is limited.
In the industry, various antennas built into mobile devices are provided. For example, a planar inverted-F antenna is proposed as a multiband internal antenna capable of operating in a plurality of frequency bands. But the conventional planar inverted-F antenna has a reduced transmission range due to space complexity.
Loop antennas are widely used in high frequency applications. Conventional loop antennas suffer from complex matching circuitry, relatively large distances from the ground plane, and large radiation efficiency losses.
In this regard, an antenna suitable for a built-in mobile device having a simple structure and good performance is required.
Disclosure of Invention
The antenna assembly is small in size, thin in thickness, simple in structure and good in performance. In order to achieve the above object, at least the following technical solutions are provided:
In one aspect, an antenna assembly is provided that includes an antenna radiator, wherein the antenna radiator includes a ground element configured to be electrically connected to a ground plane at a ground point, and a feed element configured to be electrically connected to a radio signal circuit at a feed point. The ground element is physically separated and disconnected from the feed element, and at least a portion of the feed element extends substantially parallel to at least a portion of the ground element to provide capacitive coupling between the feed element and the ground element during operation of the antenna assembly.
In one embodiment, the antenna assembly further comprises a first matching element configured to connect the ground element to the ground plane at the ground point, and a second matching element configured to connect the feed element to the radio signal circuitry at the feed point.
In one embodiment, the first mating element extends substantially parallel to the second mating element, and the length of the first mating element is substantially the same as the length of the second mating element.
In one embodiment, the first mating element extends substantially parallel to the second mating element, and the length of the first mating element is shorter than the length of the second mating element.
In one embodiment, the first mating element and the second mating element form an angle therebetween that is greater than 0 degrees and less than 30 degrees.
In one embodiment, the antenna assembly further comprises a dielectric carrier (carrier) for supporting the antenna radiator.
In one embodiment, the antenna radiator is planar.
In one embodiment, the planar antenna radiator is arranged in the same plane as the ground plane.
In one embodiment, the planar antenna radiator is arranged in a plane spaced apart from and substantially parallel to the ground plane.
In one embodiment, the first matching element and the second matching element are arranged in a plane perpendicular to the ground plane.
In one embodiment, the ground point is located in a central portion of the ground plane and the antenna radiator protrudes outwardly relative to the ground point, at least a portion of the antenna radiator facing the ground plane.
In one embodiment, the ground point is located at an edge of the ground plane and the antenna radiator protrudes into the interior of the ground plane relative to the ground point, at least a portion of the antenna radiator facing the ground plane.
In one embodiment, the ground point is located at an edge of the ground plane and the antenna radiator protrudes outside the ground plane with respect to the ground point, no portion of the antenna radiator facing the ground plane.
In one embodiment, the antenna assembly further comprises a first branch, wherein the first branch extends from the ground element and has an open end.
In one embodiment, the antenna assembly further comprises a second branch, wherein the second branch extends from the feed element and has an open end.
In one embodiment, the antenna assembly further comprises a third branch, wherein the third branch protrudes from the feed element and has an open end, and the third branch extends in a direction perpendicular to the second branch.
In one embodiment, the antenna assembly is a multi-band antenna assembly.
In one embodiment, the ground plane and the antenna radiator are formed on different layers of the printed circuit board.
In a second aspect, an electronic device is provided comprising the antenna assembly of any of the above embodiments.
In the present disclosure, an antenna assembly includes a ground element configured to be electrically connected to a ground plane at a ground point and a feed element configured to be electrically connected to radio signal circuitry at a feed point. The ground element is physically separated and disconnected from the feed element, and at least a portion of the feed element extends substantially parallel to at least a portion of the ground element to provide capacitive coupling between the feed element and the ground element during operation of the antenna assembly. The overall physical length of the antenna assembly may be reduced by physical separation and disconnection between the ground element and the feed element, and the capacitive coupling between the feed element and the ground element during operation of the antenna assembly contributes to the function of the antenna assembly and ensures good performance of the antenna assembly. Accordingly, the antenna assembly according to the present disclosure can be manufactured to have a small size and a thin thickness while ensuring performance and antenna efficiency of the antenna assembly. Thus, the antenna assembly according to the present disclosure can provide good wireless connectivity for a device mounted with the antenna assembly, and facilitate miniaturization of the device. For example, in a mobile device such as a game device having bluetooth technology for communicating with a wireless controller, for example, in the case where there are many wireless devices using the same frequency such as bluetooth, wireless LAN, microwave oven, etc., if the antenna performance is good, these game devices do not have any connection problem between the master device and the controller in a poor environment even with a high noise floor.
Drawings
In order to more clearly illustrate the technical scheme or conventional technology according to the embodiments of the present disclosure, drawings applied to the embodiments or conventional technology of the present disclosure are briefly described below. It is evident that the figures in the following description are only some embodiments of the present disclosure and that other figures may be obtained by a person skilled in the art based on the provided figures without inventive effort.
Fig. 1 is a schematic diagram of a pattern of an antenna assembly according to an embodiment of the present disclosure;
Fig. 2 is a schematic diagram illustrating an exemplary electrical arrangement of a multi-band antenna assembly according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a pattern of a multi-band antenna assembly according to another embodiment of the present disclosure;
Fig. 4a to 4e are schematic diagrams of exemplary patterns of a multi-band antenna according to other embodiments of the present disclosure;
fig. 5 is a simulated return loss plot of a multi-band antenna assembly provided in accordance with an embodiment of the present disclosure;
fig. 6 is a graph of simulated antenna efficiency for a multi-band antenna assembly provided in accordance with an embodiment of the present disclosure;
Fig. 7 is a schematic structural view of a multiband antenna assembly according to an embodiment of the present disclosure;
Fig. 8 is a schematic diagram illustrating another arrangement of a multi-band antenna assembly according to an embodiment of the present disclosure;
fig. 9 is a schematic diagram illustrating yet another arrangement of a multi-band antenna assembly according to an embodiment of the present disclosure;
fig. 10 is a schematic diagram of a mobile device provided with a multi-band antenna assembly according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure are described below with reference to the drawings in the embodiments of the present disclosure. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present disclosure. Any other embodiments obtained based on the embodiments of the present disclosure without inventive effort by those skilled in the art are within the scope of the present disclosure.
It should be noted that the terms "first," "second," "third," "fourth," and the like are merely used to distinguish one entity or operation from another entity or operation and do not necessarily or implicate an actual relationship or sequence between such entities or operations. Furthermore, terms such as "comprising," "including," or any other variation thereof, are intended to be non-exclusive. Thus, a process, method, article, or apparatus that comprises a list of elements does not include only those elements disclosed, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless clearly limited, the expression "comprising" does not exclude the presence of other similar elements in a process, method, article or apparatus that may exist in addition to those listed.
In addition, the present disclosure is described in connection with schematic diagrams. When describing embodiments of the present disclosure in detail, cross-sectional views showing the structure of the apparatus are partially exaggerated and not drawn to scale for convenience of illustration. The drawings are exemplary and are not intended to limit the scope of the present disclosure. In addition, in the actual manufacturing process, three dimensional dimensions, i.e., length, width, and depth, should be considered.
It should be noted that reference to a first feature being "on" or "over" a second feature includes both the case where the first feature is in direct contact with the second feature and the case where there are other features between the first feature and the second feature, i.e., the first feature and the second feature may not be in direct contact.
Referring to fig. 1, the multiband antenna assembly 1 includes an antenna radiator 101, among other components. Specifically, the antenna radiator 101 includes a ground element 111 and a feed element 121. The ground element 111 is configured to be electrically connected to a ground plane (not shown) at the ground point 104. The feeding element 121 is configured to be electrically connected to a radio signal circuit (RF) at the feeding point 105. The feed point 105 is arranged adjacent to the ground point 104.
As shown, the ground element 111 is physically separated and disconnected from the feeding element 121. In other words, there is no direct electrical connection between the feeding element 121 and the grounding element 111. Furthermore, the feeding element 121 is disconnected from the ground plane.
The grounding element 111 may be of various shapes. In an embodiment, the grounding element 111 may be a strip and may have multiple portions connected end-to-end. In some embodiments, the ground element 111 may be an elongated conductive strip folded at one or more points to form a loop shape to save space required for the antenna assembly. For example, the ground element 111 may comprise at least a first portion extending in a first direction, a second portion extending in a second direction perpendicular to the first direction, and a third portion extending in a third direction substantially parallel to and opposite to the first direction, and the resulting U-shape retains the long antenna element and thus the lowest resonant frequency available to the antenna assembly.
Although the grounding element 111 shown in fig. 1 forms an almost symmetrical structure, the present disclosure is not limited thereto. The ground element 111 may also be in an asymmetric configuration for a substantial portion.
Although the grounding element 111 is shown in fig. 1 as including a portion connected end-to-end, it should be noted that the structure of the grounding element 111 is not limited thereto, and the grounding element 111 may include more than two open ends, as will be described in detail later. Furthermore, although the grounding element 111 is shown in fig. 1 as having portions with substantially the same width, the respective portions of the grounding element 111 may have different widths as needed, which will be described later.
Similarly, the feeding element 121 may be of various shapes. The feeding element 121 may also be a folded or unfolded conductive strip. For example, the feeding element 121 may be formed in an L shape as shown in the drawing.
The ground element 111 and the feed element 121 may be made of sheet metal, metal tracks on a carrier, or may be made of a flexible or rigid substrate, a Metallized Interconnect Device (MID), etc. The ground element 111 and the feeding element 121 may be made of various conductive materials including, but not limited to, silver, copper, etc., transparent conductive oxide (e.g., indium tin oxide ITO), carbon nanotubes, graphene, etc.
As shown in fig. 1, at least a portion 1111 of the ground element 111 extends in the same direction substantially parallel to a portion 1211 of the feed element 121. A portion 1111 of the ground element 111 is disposed proximate to a portion 1211 of the feed element 121, with a slit or gap formed between the two portions 1111 and 1211. In such a configuration, a portion 1211 of the feed element 121 is arranged to form a capacitive slot/gap that provides for capacitive coupling between the feed element 121 and the ground element 111 during operation of the antenna assembly. For this purpose, the width of the slit or gap between the portions 1111 and 1211 is appropriately selected. In a preferred embodiment, the width of the slit or gap between sections 1111 and 1211 is in the range of 0.1mm to 5 mm.
In a preferred embodiment, a portion 1211 of the feeding element 121 has a length sufficient to provide a usable coupling capacitance. In some embodiments, in addition to requiring a portion 1211 of the feeding element 121 to be long enough to ensure effective coupling capacitance, it is preferable to require that the total length of the feeding element 121 be shorter than the shortest resonant length at the lowest operating frequency of the antenna assembly.
By the arrangement of the antenna radiator 101 of the antenna assembly, the available frequency bandwidth of the antenna assembly is improved, the multi-band characteristic of the antenna assembly is enhanced, and the size of the antenna assembly is more compact. The overall physical length of the antenna assembly may be reduced, for example, by physical separation and disconnection between the ground element and the feed element, and the capacitive coupling between the feed element and the ground element during operation of the antenna assembly contributes to the function of the antenna assembly and ensures good performance of the antenna assembly. Accordingly, the antenna assembly according to the present disclosure can be manufactured to have a small size and a thin thickness while ensuring performance and antenna efficiency of the antenna assembly. Thus, the antenna assembly according to the present disclosure can provide good wireless connectivity for a device mounted with the antenna assembly, and facilitate miniaturization of the device.
In one embodiment, the antenna assembly may further comprise a first matching element 102 and a second matching element 103. The first matching element 102 is configured to connect the ground element 111 to a ground plane at the ground point 104. The second matching element 103 is configured to connect the feeding element 121 to the RF circuit at the feeding point 105.
The first matching element 102 and the second matching element 103 may be parallel to each other as shown in fig. 1. In other embodiments, the first matching element 102 and the second matching element 103 may have an included angle, for example, greater than 0 degrees and less than 30 degrees. The lengths of the two matching elements 102 and 103 may be the same or different.
According to embodiments of the present disclosure, by adjusting the lengths of the matching elements 102 and 103, and the distance between the first matching element 102 and the second matching element 103, the input impedance of the antenna assembly may be changed.
With proper placement of the matching elements 102 and 103, the antenna assembly may be impedance matched when assembled for an end user environment to achieve maximum efficiency when operating in a desired frequency band. Optimal efficiency results in maximum range, minimum power consumption, reduced heating, and reliable data throughput.
Fig. 2 is a schematic diagram illustrating an exemplary electrical arrangement of a multi-band antenna assembly according to an embodiment of the present disclosure. As shown, the antenna assembly includes an antenna radiator 202 and a dielectric carrier 203 for supporting the antenna radiator 202. The dielectric carrier 203 also serves to dielectrically separate the antenna radiator from the ground plane 201.
The antenna radiator 202 includes a ground element 212 and a feed element 222. The ground element 212 of the antenna assembly is connected to the ground plane 201 at the ground point 204. Further, the feeding element 222 is connected to the RF circuit at the feeding point 205.
The ground element 212 is physically separated and disconnected from the feeding element 222. In a configuration where a capacitive coupling is formed between the feeding element 222 and the ground element 212 during operation of the antenna assembly, at least a portion of the ground element 212 is disposed adjacent to at least a portion of the feeding element 222.
As shown in fig. 2, the ground plane 201 and the antenna assembly are formed as a planar structure. The planar structure may be formed by etching a Printed Circuit Board (PCB), stamping metal, or by other schemes.
The dielectric carrier 203 may be formed as a frame, support platform, or the like. The dielectric carrier 203 may be made of plastic, resin, ceramic, or any other suitable material.
In some embodiments, the ground plane 201 and the antenna radiator 202 are formed on different layers of a Printed Circuit Board (PCB).
The ground element 212 and the feeding element 222 may be realized by a number of different manufacturing methods, for example, stamped metal parts, conductors etched on a flexible insulating layer (FPC) and attached to the dielectric carrier 203 using an adhesive layer, or Laser Direct Structuring (LDS) techniques.
It should be noted that the design parameters of the arrangement shown in fig. 2 may be appropriately determined as needed. For example, the lowest resonant frequency of the antenna assembly may be determined by the total length of the ground element 212, the width of a portion of the ground element 212, and the distance from the ground plane 201. As an example, the antenna assembly depicted in fig. 3 may provide a first resonance in the 2.4GHz to 2.48GHz band, a second resonance in the 5.15GHz to 5.85GHz band, and a third resonance in the 5.925GHz to 7125GHz band for Wi-Fi 6E/7. It should be noted that antenna assemblies may be designed to operate in other frequency bands or for other communication standards, as the disclosure is not limited in this respect. For example, the antenna assembly may operate according to a wireless communication standard (e.g., 2G, 3G, 4G, or 5G standard) for a cellular network. The antenna assembly may alternatively or additionally operate in a frequency band in the range of 2.4GHz to 2.48GHz according to a wireless communication standard for bluetooth.
In addition, the length of the conductive feed element 222 and the width of the capacitive gap between the feed element 222 and the ground element 212 may be appropriately determined as needed to optimize the impedance value of the antenna assembly at the resonant frequency and the relative bandwidth of the antenna assembly.
Under the inventive concepts set forth in the present disclosure, the antenna assemblies may have different patterns that fall within the scope of the present disclosure. Fig. 3 is a schematic diagram of a pattern of a multi-band antenna assembly according to another embodiment of the present disclosure.
Similar to the antenna assembly shown in fig. 1, the antenna radiator 301 of the antenna assembly comprises a ground element 311 and a feed element 321. The ground element 311 is configured to be electrically connected to a ground plane. The feeding element 321 is configured to be electrically connected to RF circuitry. The ground element 311 is physically separated and disconnected from the feed element 321 and a capacitive coupling is formed between the feed element 321 and the ground element 311 during operation of the antenna assembly.
The antenna assembly according to the present embodiment differs from the antenna assembly of fig. 1 in that each of the ground element and the feed element may comprise one or more branches. For example, as shown in fig. 3, the ground member 311 includes, in addition to the elongated conductive strip 3110 that is folded a plurality of times, a first branch 3112, the first branch 3112 extending from a portion of the strip 3110 and having an open end. The first branch 3112 is L-shaped, with a majority parallel to a portion of the ground element 311. The feeding element 321 includes, in addition to the L-shaped strip 3210, a second branch 3212 and a third branch 3213, the second branch 3212 extending from one portion of the strip 3210 and having an open end, and the third branch 3213 extending from another portion of the strip 3210 and having an open end.
By introducing one or more branches, additional resonance and enhanced frequency bandwidth may be provided for the antenna assembly in at least one resonance frequency band. Furthermore, by introducing one or more branches, the coupling between the ground element 311 and the feeding element 321 is enhanced.
It should be noted that the number of branches of the antenna element shown in fig. 3 is exemplary, and the present disclosure is not limited thereto. For example, the ground element 311 and/or the feeding element 321 may or may not include other branches. It should be noted that the extending directions of the branches shown in fig. 3 are exemplary, and the present disclosure is not limited thereto. For example, the first branch 3112, the second branch 3212, and the third branch 3212 may extend in the same direction, or at least one of the first branch 3112, the second branch 3212, and the third branch 3212 may extend in a different direction than the other branches.
By providing one or more branches for the ground element 311 and/or the feed element 321, the antenna assembly can be scalable in terms of operating frequency band, can have a wider frequency band, and can achieve better antenna performance.
Several exemplary structures and configurations of antenna assemblies according to the present disclosure are described above. It should be noted that some modifications may be made without departing from the essence of the present disclosure, and these modifications fall within the scope of the present disclosure. Fig. 4a to 4e are schematic diagrams of exemplary patterns of multi-band antennas according to other embodiments of the present disclosure.
As shown in fig. 4a, the antenna assembly comprises a ground element 411 connected to the ground plane and a feed element 422 connected to the RF circuitry. The grounding element 411 is physically separated and disconnected from the feeding element 422. The grounding element 411 is formed as a folded strip, some portions of which extend in a first direction and some other portions extend in a second direction perpendicular to the first direction. The feeding element 421 is formed in an inverted F shape. A portion 4111 of the ground element 411 extends substantially parallel to a portion 4211 of the feed element 421 and a gap is formed between the portions 4111 and 4211. The width of the gap enables capacitive coupling to be formed between the feed element 421 and the ground element 411 during operation of the antenna assembly. Further, a portion 4112 of the ground element 411 extends substantially parallel to a portion 4212 of the feed element 421, and a gap is formed between the portions 4112 and 4212 to provide capacitive coupling.
As shown in fig. 4b, the antenna assembly may have matching elements of different lengths, unlike the embodiment of fig. 4 a. For example, the matching element connecting the ground element to the ground plane is shorter than the matching element connecting the feed element to the RF circuit.
It should be noted that the grounding element may be formed in other structures than folded strips. As shown in fig. 4c, 4d and 4e, the grounding element may comprise at least one portion that is wider than the other portions. The wider portion may be formed of sheet metal or the like. The one or more wider portions may be arranged near the feeding element or not near the feeding element. In the case of a plurality of wider portions, the wider portions may be symmetrically or asymmetrically arranged.
It should be noted that the ground element and the feed element may be any shape or combination of different shapes, including square, triangle, chamfered rectangle, chamfered square, L-shape, or T-shape, without limitation.
Fig. 5 is a simulated return loss plot for a multi-band antenna assembly provided in accordance with an embodiment of the present disclosure. Fig. 5 shows three characteristic valleys, each representing a corresponding frequency range. It should be noted that although an exemplary frequency band is shown, the present disclosure is not limited in this respect. In other words, an antenna assembly according to the present disclosure may operate in other frequency bands and may operate in compliance with other communication standards.
Fig. 6 is a graph of simulated antenna efficiency for a multi-band antenna assembly provided in accordance with an embodiment of the present disclosure. It can be seen that the antenna assembly proposed by the present disclosure has good antenna efficiency.
The antenna assembly disclosed by the invention is simple in structure, compact in structure and good in antenna performance under a plurality of frequency bands. Thus, an antenna assembly according to the present disclosure may provide good wireless connectivity for a device. For example, in a case where there are many wireless devices such as bluetooth, wireless LAN, microwave oven, etc. using the same frequency, for example, in a case where a mobile device such as a game device having bluetooth technology for communicating with a wireless controller, these game devices do not have any connection problem between a master device and a controller in a poor environment even having a high noise floor if the antenna performance is good.
Fig. 7 is a schematic structural diagram of a multiband antenna assembly according to an embodiment of the present disclosure. In this embodiment, the antenna radiator including the ground element and the feed element is disposed on a plane different from the ground plane and forms a three-dimensional structure. The ground element and the feed element may be supported by a dielectric carrier (not shown). It should be appreciated that the dielectric carrier may be made of plastic, resin, ceramic, or any other suitable material. The grounding element and the feeding element may be realized by a number of different manufacturing methods. The antenna radiator (including the ground element and the feed element) is formed together with the dielectric carrier (if any) as a planar structure lying in a plane parallel to the ground plane, and the matching element is arranged between the antenna radiator and the ground plane in a plane perpendicular to the ground plane. One of the matching elements connects the ground element of the antenna radiator to the ground plane at the ground point. In the structure shown in fig. 7, the ground point is located within the ground plane, i.e. away from the edge of the ground plane, and the antenna radiator protrudes outwards relative to the ground point, the edge of the antenna radiator being flush with the edge of the ground plane. In such a configuration, the antenna radiator of the antenna assembly faces the ground plane. In the structure shown in fig. 7, the height h1 measured from the antenna radiator to the ground plane needs to have a predetermined value due to the characteristics of the antenna. Furthermore, the height h1 may also depend on the mechanical design of the device to which the antenna assembly is to be mounted. In a preferred embodiment, the height h1 is greater than 2mm, and preferably in the range of 2mm to 10 mm.
Fig. 8 is a schematic diagram illustrating another arrangement of a multi-band antenna assembly according to an embodiment of the present disclosure. In this embodiment. In the structure shown in fig. 8, the ground point is located at an edge of the ground plane, and the planar antenna radiator protrudes into the interior of the ground plane with respect to the ground point. Furthermore, the edges of the antenna radiator are flush with the edges of the ground plane, and the matching element is connected to both edges. Further, in such a configuration, the antenna radiator of the antenna assembly faces the ground plane. In the structure shown in fig. 8, the height h2 measured from the antenna radiator to the ground plane needs to have a predetermined value due to the characteristics of the antenna.
Fig. 9 is a schematic diagram illustrating yet another arrangement of a multi-band antenna assembly according to an embodiment of the present disclosure. In the structure shown in fig. 9, the ground point is located at an edge of the ground plane, and the antenna radiator protrudes outside the ground plane with respect to the ground point such that at least a large part of the antenna radiator does not face the ground plane. In the structure shown in fig. 9, the height h3 measured from the antenna radiator to the ground plane may be small. For example, the height h3 may be less than h1, and the height h3 may be less than h2. In an extreme case, by using the arrangement shown in fig. 9, the antenna radiator can be located at the same height as the ground plane, i.e. h2=0. Therefore, when assembled in a housing of a mobile device, there is no limitation on the thickness of the housing of the mobile device due to the antenna assembly.
Referring to fig. 10, an electronic device including an antenna assembly according to an embodiment of the present disclosure is shown. The electronic device 1000 of fig. 10 may be a portable computer such as a notebook computer, portable tablet computer, mobile phone with media player functionality, handheld computer, remote control, game console, global Positioning System (GPS) device, desktop computer, music player, multi-touch electronic device, augmented Reality (AR) glasses, head Mounted Display (HMD), a combination of such devices, or any other suitable electronic device. As shown in fig. 10, an electronic device 1000 may include an input-output circuit 1100, a processor 1200, and a memory 1300.
Processor 1200 may be a microprocessor and other suitable integrated circuits. The processor 1200 and the memory 1300 may be configured to control the operation of the electronic device 1000. In an exemplary embodiment, the processor 1200 may run software stored in the memory 1300 of the electronic device 1000, such as operating system functions, telephone call applications, internet browsing, email applications, media playback applications, control functions for controlling radio frequency power amplifiers and other radio frequency transceivers, and so forth.
Memory 1300 may include one or more different types of memory, such as hard drive storage, non-volatile memory (e.g., flash or other electrically programmable read-only memory), volatile memory (e.g., static or dynamic random access memory).
Communication protocols that may be implemented by processor 1200 include internet protocol, cellular telephone protocol, wireless local area network protocol (e.g., IEEE 802.11 protocol, referred to as) Protocols for other short range wireless communication links, e.gProtocols, etc.
The input-output circuit 1100 is configured to implement input and output functions of the electronic device 1000. The input-output circuit 1100 may include input-output devices and a wireless communication circuit 1120. The input-output device 1111 may be a touch screen and other user input devices such as buttons, levers, click wheels, scroll wheels, touch pads, keypads, keyboards, microphones, cameras, and the like. In addition, input-output devices 1111 may include displays and audio devices such as Liquid Crystal Display (LCD) screens, light Emitting Diodes (LEDs), organic Light Emitting Diodes (OLEDs), and other components that present visual information and status data.
The wireless communication circuit 1120 may include a Radio Frequency (RF) transceiver circuit 1121 formed of one or more integrated circuits, power amplifier circuits, low noise input amplifiers, passive RF components, and other circuits for processing RF wireless signals. For example, the RF transceiver circuitry 1121 may include cellular transceiver circuitry 1122 for handling wireless communications in cellular frequency bands (e.g., frequency bands of 600MHz, 850MHz, 900MHz, 1800MHz and 1900MHz, and 2100 MHz data bands). The RF transceiver circuitry 1121 may also include Wi-Fi and Bluetooth transceiver circuitry 1123 that handles the 2.4GHz to 2.48GHz, 5.15GHz to 5.85GHz, and 5.925GHz to 7.125GHz frequency bands for Wi-Fi6E/7 communications, and the Bluetooth communications band of 2.4 GHz. The wireless communication circuitry 1120 may include circuitry for other short-range and long-range wireless links, if desired. For example, the wireless communication circuitry 1120 may include a Global Positioning System (GPS) receiver device, wireless circuitry for receiving radio and television signals, paging circuitry, and the like.
RF transceiver circuitry 1121 may be implemented using one or more integrated circuits and associated components (e.g., switching circuitry, matching network components (e.g., discrete inductors, capacitors, and resistors), and an integrated circuit filter network, etc.). These devices may be mounted on any suitable mounting structure. By one suitable arrangement, the transceiver integrated circuit may be mounted on a printed circuit board.
The wireless communication circuit 1120 may include an antenna assembly 1124, such as the antenna assemblies described above by reference to fig. 1,2, 3, 4 a-4 e, and 7-9, or variations thereof. As described above, the antenna assembly 1124 may be a multi-band antenna. For example, a multi-band antenna may be used to cover multiple cellular telephone communications bands, wi-Fi communications bands, bluetooth communications bands, etc.
In addition, the wireless communication circuit 1120 may also include other circuits for implementing different communication-related functions. For example, the wireless communication circuit 1120 may include a proximity sensing circuit (not shown). In addition, the wireless communication circuit 1120 may also include a power adjustment circuit (not shown) for adjusting the power of the RF transceiver circuit 1121 in response to a detection result from the proximity sensing circuit.
Connections within RF circuitry 1121 may include any suitable conductive path upon which radio frequency signals may be transmitted, including transmission line path structures such as coaxial cables, microstrip transmission lines, stripline transmission lines, and the like.
During data transfer operations, control signals from the processor 1200 may be transferred to the RF circuitry 1121 to adjust the output power in real time. For example, when data is being transmitted, the RF circuitry 1121 may be directed to increase or decrease the power level of the radio frequency signal provided to the antenna assembly 1124 via a transmission line to ensure regulatory limits for electromagnetic radiation emissions are met.
If the proximity sensing circuit has not detected the presence of an external object, power may be provided at the level of normal power control. However, if the proximity measurement indicates that the user's finger or other body part or other external object is in close proximity to the antenna assembly (e.g., within a range of 20mm or less, within a range of 15mm or less, within a range of 10mm or less, etc.), the processor 1200 may respond accordingly by directing the RF circuit 1121 to transmit a radio frequency signal through the transmission line at a reduced power.
In addition to the components shown, the electronic device 1000 may include other components for different functions. For example, electronic device 1000 typically includes a housing that can be formed to serve as a ground plane for antenna assembly 1124.
Additional details of the electronic device 1000 may be referred to the foregoing description of the antenna assembly according to embodiments of the present disclosure, and are not described in detail herein.
The embodiments of the present disclosure are described in a progressive manner, and each embodiment focuses on differences from the other embodiments. Thus, one embodiment may refer to other embodiments of the same or similar components. Since the method disclosed in the embodiment corresponds to the apparatus disclosed in the embodiment, the description of the method is simple, and reference may be made to relevant parts of the apparatus.
Those skilled in the art may make or use the present disclosure in light of the description of the disclosed embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (20)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2022/128605 WO2024092398A1 (en) | 2022-10-31 | 2022-10-31 | Multi-band antenna assembly and device provided with the antenna assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119923765A true CN119923765A (en) | 2025-05-02 |
Family
ID=90929232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202280100169.7A Pending CN119923765A (en) | 2022-10-31 | 2022-10-31 | Multi-band antenna assembly and device having the same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN119923765A (en) |
| WO (1) | WO2024092398A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3678167B2 (en) * | 2001-05-02 | 2005-08-03 | 株式会社村田製作所 | ANTENNA DEVICE AND RADIO COMMUNICATION DEVICE HAVING THE ANTENNA DEVICE |
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled Multiband Antennas |
| WO2008059509A2 (en) * | 2006-11-16 | 2008-05-22 | Galtronics Ltd | Compact antenna |
| GB2509297A (en) * | 2012-10-11 | 2014-07-02 | Microsoft Corp | Multiband antenna |
-
2022
- 2022-10-31 CN CN202280100169.7A patent/CN119923765A/en active Pending
- 2022-10-31 WO PCT/CN2022/128605 patent/WO2024092398A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024092398A1 (en) | 2024-05-10 |
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