A beam reconfigurable antenna and a port decoupling and beam reconfigurable regulation method thereof

Abstract

The application discloses a beam reconfigurable antenna and a port decoupling and beam reconfigurable regulation method thereof. The antenna comprises a radiation part, a grounding part, a plurality of feeding parts and a resonator. The grounding part is provided with feeding ports equal in number to the feeding parts. One end of each feeding part is connected with the radiation part, and the other end of each feeding part is connected with one feeding port. One end of the resonator is connected with the radiation part, and the other end of the resonator is connected with the feeding part. The size of the radiation part is adjustable, and the electrical elements in the resonator are replaceable to adjust the electrical parameters of the resonator. The application can realize continuous regulation of the antenna beam without loading additional electrically controlled switches, and can improve the port isolation in the antenna to realize efficient radiation and beam regulation, and can be widely applied in the technical field of antennas.

Description

Technical Field

[0001] This application relates to the field of antenna technology, and in particular to a beam-reconfigurable antenna and its port decoupling and beam-reconfigurable control method. Background Technology

[0002] With the rapid development of wireless communication, radar detection, and geographic remote sensing technologies, different application scenarios have different requirements for antenna beam shape and beam pointing. Therefore, beam-reconfigurable antennas have gradually become the preferred choice for multi-functional and multi-scenario applications. At the same time, to ensure high-efficiency antenna operation and avoid self-interference / mutual interference, higher requirements are placed on antenna port isolation. Existing beam-reconfigurable antenna technologies are mainly divided into three categories: the first category uses discrete adjustable electronic switches, such as diodes, to select and change the antenna radiation structure; the second category uses continuously adjustable electronic switches, such as varactor diodes, to select and change the antenna radiation structure; and the third category uses multiple co-located antennas to excite different radiation modes and superimpose them to construct different beam shapes and pointing directions.

[0003] Existing technologies have the following problems: The first type of technology is limited by the number of reconfigurable states due to the number of load switches; the second type of technology suffers from problems such as narrow bandwidth due to multi-state overlap and high system complexity; the third type of technology, due to its asymmetrical structure and feeding, leads to problems such as poor antenna cross-polarization and low port isolation, which degrade antenna radiation performance. For example, common co-located dielectric resonant antennas and patch antennas, as well as concentric patch and loop antennas, all have the aforementioned problems, and their relatively large size and high profile occupy a large amount of space. Summary of the Invention

[0004] In view of this, this application provides a beam-reconfigurable antenna and its port decoupling and beam-reconfigurable control method to achieve continuous antenna beam control without additional electronic control switch loading, and improve the internal port isolation of the antenna to achieve high-efficiency radiation and beam control.

[0005] One aspect of this application provides a beam reconfigurable antenna, including: a radiating part, a grounding part, a plurality of feeding parts, and a resonator; The grounding part is provided with a number of feed ports equal to the number of feed parts; One end of each of the feed sections is connected to the radiating section, and the other end of each of the feed sections is connected to a feed port. One end of the resonator is connected to the radiating part, and the other end is connected to the feeding part; The size of the radiating section is adjustable, and the electrical components in the resonator are replaceable to adjust the electrical parameters of the resonator.

[0006] Optionally, the resonator includes a first inductor, a second inductor, and a first capacitor; Wherein, the first end of the first capacitor is connected to the first end of the first inductor, and the second end of the first capacitor is connected to the first end of the second inductor; The second end of the first inductor is connected to the radiating part, and the second end of the second inductor is connected to the feeding part.

[0007] Optionally, the antenna further includes a first dielectric substrate, a second dielectric substrate, and a third dielectric substrate; The lower surface of the radiating part is arranged parallel to the upper surface of the grounding part; The first dielectric plate is attached to the lower surface of the radiating part; The second dielectric plate is bonded and connected to the upper surface of the grounding part; The resonator and each of the feed units are completely integrated into the third dielectric substrate.

[0008] Optionally, the resonator includes a first metal plate and a second metal plate of identical size, and a third metal plate; The radiating part, each of the feeding parts, and the first metal sheet and the second metal sheet are integrated into a single metal sheet as a first integrated part; the plane of the first integrated part is perpendicular to the plane of the grounding part, or the plane of the first integrated part is parallel to the plane of the grounding part. The first end of the first metal sheet and the first end of the second metal sheet are integrated on the radiating part, and the second end of the first metal sheet and the second end of the second metal sheet are circular. The first end of the third metal sheet is connected to the grounding part, and the second end of the third metal sheet is circular with an area equal to that of the second end of the first metal sheet; the second end of the third metal sheet is attached to the second end of the first metal sheet, or the second end of the third metal sheet is attached to the second end of the second metal sheet. The first end of each of the power feeding sections is integrated on the radiating section, and the second end of each of the power feeding sections is connected to the grounding section.

[0009] Optionally, when the plane of the first integrated portion is perpendicular to the plane of the ground portion, the antenna further includes a fourth dielectric substrate and a fifth dielectric substrate; The first integration unit is completely embedded in the fourth dielectric substrate; The upper surface of the grounding part is bonded and connected to the fifth dielectric plate.

[0010] Optionally, when the plane of the first integrated portion is parallel to the plane of the ground portion, the antenna further includes a sixth dielectric substrate; The first integration unit and the grounding unit are completely integrated into the sixth dielectric substrate.

[0011] Optionally, the grounding portion includes a base grounding portion, a first side grounding portion, a second side grounding portion, a first neutral grounding portion, a second neutral grounding portion, and a third neutral grounding portion; The first neutral grounding part, the second neutral grounding part, and the third neutral grounding part are integrated into a single metal sheet as the second integrated part, and the second integrated part is attached and connected to the radiating part. The first end of the second neutral grounding part is integrated on the first neutral grounding part, and the second end of the second neutral grounding part is connected to the first end of one of the power supply parts; The first end of the third neutral grounding part is integrated on the first neutral grounding part, and the second end of the third neutral grounding part is connected to the first end of one of the power supply parts; The first side grounding portion and the second side grounding portion are parallel to each other and both are perpendicular to the base grounding portion. The first end of the first side grounding portion and the second end of the second side grounding portion are both perpendicularly connected to the grounding portion. The second end of the first side grounding portion is connected to the first end of the first neutral grounding portion, and the second end of the second side grounding portion is connected to the second end of the first neutral grounding portion. The second end of each of the power supply units is connected to the power supply port on the grounding part of the substrate; The radiating part is arranged parallel to the grounding part of the substrate.

[0012] Optionally, the antenna further includes a seventh dielectric substrate, an eighth dielectric substrate, a ninth dielectric substrate, and a tenth dielectric substrate; The seventh dielectric plate is attached to the lower surface of the radiating part; The eighth dielectric plate is bonded and connected to the upper surface of the substrate grounding portion; The first side grounding portion is completely embedded in the ninth dielectric plate; The second side grounding portion is completely embedded in the tenth dielectric plate.

[0013] Optionally, each of the aforementioned dielectric substrates is a dielectric substrate covered with metal.

[0014] Another aspect of this application provides a port decoupling method applied to the aforementioned beam reconfigurable antenna, the decoupling method comprising: When the signal fed into the feed port of the antenna is a common-mode signal, the common-mode active reflection coefficient of the antenna is obtained; When the signal fed into the feed port is a differential mode signal, the differential mode active reflection coefficient of the antenna is obtained; Adjust the radiating element and / or resonator in the antenna so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold.

[0015] Optionally, adjusting the radiating element and / or resonator in the antenna to make the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient less than a preset threshold includes: Perform at least one of the following steps: The size of the radiating element is adjusted so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold. Alternatively, the metal strip in the resonator can be replaced with other metal strips with different inductance values ​​so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold. Alternatively, the lumped capacitor in the resonator can be replaced with other lumped capacitors of different values ​​so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold.

[0016] Another aspect of this application provides a beam reconfigurable control method applied to the aforementioned beam reconfigurable antenna, the control method comprising: When the signal fed into the antenna is a common-mode signal, the beam pointing of the antenna is adjusted to be horizontal omnidirectional. When the signal fed into the antenna is a differential mode signal, the beam pointing of the antenna is adjusted to the side-firing normal direction; When the signal fed into the antenna is between the common-mode signal and the differential-mode signal, the beam pointing of the antenna is adjusted to be between the side-firing normal pointing and the horizontal omnidirectional pointing.

[0017] Another aspect of this application provides an electronic device, including a processor and a memory; The memory is used to store programs; The processor executes the program to implement the method.

[0018] Another aspect of this application provides a computer-readable storage medium storing a program that is executed by a processor to implement the method.

[0019] This application also discloses a computer program product or computer program including computer instructions stored in a computer-readable storage medium. A processor of an electronic device can read the computer instructions from the computer-readable storage medium and execute the computer instructions, causing the electronic device to perform the method described above.

[0020] This application has at least the following beneficial effects: 1) By adjusting the size of the radiating part in the antenna of this application and / or replacing the electrical components in the resonator to adjust the electrical parameters of the resonator, it is possible to achieve pattern shaping without the need for additional switching devices such as PIN diodes / varactor diodes, thus solving the technical problem in the prior art that the number of reconfigurable beam states is limited by the number of electronically controlled switches.

[0021] 2) The number of reconfigurable beam states of the antenna in this application is not limited. When a signal is fed into the antenna of this application, the active reflection coefficient is obtained and the radiating part and / or resonator in the antenna are adjusted accordingly to perform port decoupling, thereby improving the port isolation of the antenna and achieving high-efficiency radiation. Then, the beam pointing of the antenna is adjusted according to the feed signal, which can realize continuous beam control. The beam covers any direction between the side-firing normal direction and the horizontal omnidirectional direction, and the beam pointing is not limited by the additional switching devices. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 An optional structural diagram of a beam reconfigurable antenna provided in an embodiment of this application; Figure 2 An example structural diagram of a beam-reconfigurable dual-port slot antenna provided for embodiments of this application; Figure 3 An example diagram illustrating the beam pointing control result provided in an embodiment of this application; Figure 4 An example structural diagram of a beam-reconfigurable electric dipole wire antenna provided for an embodiment of this application; Figure 5 An example structural diagram of another beam-reconfigurable electric dipole wire antenna provided in an embodiment of this application; Figure 6 This is an example structural diagram of a beam-reconfigurable magnetoelectric dipole aperture antenna provided in an embodiment of this application. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0025] It should be noted that although functional modules are divided in the device schematic diagram and the logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart.

[0026] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of this application only and is not intended to limit this application.

[0028] To facilitate understanding of the embodiments of this application, the keywords and related technologies that may be involved in the embodiments of this application are explained: Reconfigurable technology was proposed in the 1980s, and its development has accelerated rapidly in the 21st century with advancements in semiconductors, microelectromechanical systems (MEMS), and new materials. Reconfigurable technology is primarily implemented in several ways: based on MEMS, PIN diodes, varactor diodes, and special materials such as ferrites, liquid crystals, graphene, and plasma. The first three types are known as electrically reconfigurable antennas, which achieve reconfigurability of various characteristics by resetting the antenna surface current through switches or diodes. The latter types are known as material-reconfigurable antennas, which alter antenna characteristics by changing the permeability or dielectric constant of the material. As the background information above indicates, antenna pattern reconfigurability technology mainly adjusts the antenna's operating state by controlling the circuit's on / off state through external switches or diodes. However, this increases design costs, device RF losses, and design complexity, and the reconfigurable states are limited.

[0029] The following is an explanation of the hybrid mode: A mixed mode is any mode that is mixed with an even mode. An even mode is the most special and typical mixed mode. An odd mode corresponds to the mode generated when the phase difference between the two ports of the antenna is 180 degrees (corresponding to a differential mode signal), while an even mode corresponds to the mode generated when the phase difference between the two ports of the antenna is 0 degrees (corresponding to a common mode signal). The above terms are derived from the description of odd and even signals and are well-known in antenna design, telecommunications, signal processing and other fields.

[0030] The mixed mode is sandwiched between the odd and even modes, corresponding to the two-port phase difference between 0 and 180 degrees. There are countless modes in this range, and continuous mixed modes can be obtained by adjusting the phase difference.

[0031] Since the antenna pattern is closely related to the current carried on the antenna, and the surface current on the antenna is strongly affected by the excitation signal, this application can change the current on the upper and lower surfaces of the antenna by adjusting the excitation signal (that is, adjusting the phase difference), thus changing the antenna pattern.

[0032] In the embodiments of this application, the above series of operations are all implemented within one antenna element, not two closely spaced elements, nor in the form of an array subarray, but in the same antenna element.

[0033] The following problems exist with existing technologies: 1) The number of reconfigurable beam states is limited, constrained by the number of electronically controlled switches; 2) Adding active devices such as diodes and varactor diodes increases the complexity of the antenna system; 3) The asymmetrical structure of co-located multiple antennas and the problems of feed degradation affecting antenna cross-polarization and port isolation; 4) Existing beam reconfigurable antenna designs are complex, time-consuming, and difficult to implement.

[0034] This application provides a beam-reconfigurable antenna and its port decoupling and beam-reconfigurable control method that do not require switching / diode / special material loading. The purpose is to provide a solution that overcomes the above-mentioned problems and the lack of standard design guidelines for fast antenna design without increasing system complexity and cost, and without introducing additional switching losses and nonlinearities into the antenna array.

[0035] Next, refer to Figure 1 This application provides a detailed description of a beam reconfigurable antenna, which may include: a radiating part, a grounding part, multiple feeding parts, and a resonator; The grounding part is provided with a number of feed ports equal to the number of feed parts; One end of each of the feed sections is connected to the radiating section, and the other end of each of the feed sections is connected to a feed port. One end of the resonator is connected to the radiating part, and the other end is connected to the feeding part; The size of the radiating section is adjustable, and the electrical components in the resonator are replaceable to adjust the electrical parameters of the resonator.

[0036] Specifically, the radiating section can be a structurally symmetrical radiating section, including top-bottom symmetry and left-right symmetry. The grounding section can be a reflective ground plane or other optional structural forms. The feeding section can be a sheet-like metal strip or a metal pillar. The resonator can be composed of distributed or lumped resistance, inductance, and capacitance, wherein the resistance, inductance, and capacitance in the resonator can be any combination of these three.

[0037] Next, for Figure 1 The antenna with the following optional structure is illustrated: 1 is the radiating part, 2 is the grounding part, 3 is the left feed part, 4 is the right feed part, 5 and 7 are metal strips as distributed inductors, 6 is the lumped capacitor, 5, 6 and 7 together form a resonator, 8 and 10 are the left and right feed ports of the feed part, and 9 is a port on the grounding part.

[0038] It should be noted that all metal structures involved in the embodiments of this application can be made of metals such as copper or aluminum.

[0039] Furthermore, the resonator includes a first inductor, a second inductor, and a first capacitor; Wherein, the first end of the first capacitor is connected to the first end of the first inductor, and the second end of the first capacitor is connected to the first end of the second inductor; The second end of the first inductor is connected to the radiating part, and the second end of the second inductor is connected to the feeding part.

[0040] Furthermore, the antenna also includes a first dielectric substrate, a second dielectric substrate, and a third dielectric substrate; The lower surface of the radiating part is arranged parallel to the upper surface of the grounding part; The first dielectric plate is attached to the lower surface of the radiating part; The second dielectric plate is bonded and connected to the upper surface of the grounding part; The resonator and each of the feed units are completely integrated into the third dielectric substrate.

[0041] It should be noted that when the two structures in the embodiments of this application are arranged in parallel, the upper surface and the lower surface are two parallel and opposite surfaces.

[0042] As another alternative implementation, the resonator includes a first metal plate and a second metal plate of identical size, as well as a third metal plate; The radiating part, each of the feeding parts, and the first metal sheet and the second metal sheet are integrated into a single metal sheet as a first integrated part; the plane of the first integrated part is perpendicular to the plane of the grounding part, or the plane of the first integrated part is parallel to the plane of the grounding part. The first end of the first metal sheet and the first end of the second metal sheet are integrated on the radiating part, and the second end of the first metal sheet and the second end of the second metal sheet are circular. The first end of the third metal sheet is connected to the grounding part, and the second end of the third metal sheet is circular with an area equal to that of the second end of the first metal sheet; the second end of the third metal sheet is attached to the second end of the first metal sheet, or the second end of the third metal sheet is attached to the second end of the second metal sheet. The first end of each of the power feeding sections is integrated on the radiating section, and the second end of each of the power feeding sections is connected to the grounding section.

[0043] Furthermore, when the plane of the first integrated portion is perpendicular to the plane of the ground portion, the antenna further includes a fourth dielectric substrate and a fifth dielectric substrate; The first integration unit is completely embedded in the fourth dielectric substrate; The upper surface of the grounding part is bonded and connected to the fifth dielectric plate.

[0044] Furthermore, when the plane of the first integrated portion is parallel to the plane of the ground portion, the antenna further includes a sixth dielectric substrate; The first integration unit and the grounding unit are completely integrated into the sixth dielectric substrate.

[0045] As another optional implementation, the grounding portion includes a base grounding portion, a first side grounding portion, a second side grounding portion, a first neutral grounding portion, a second neutral grounding portion, and a third neutral grounding portion; The first neutral grounding part, the second neutral grounding part, and the third neutral grounding part are integrated into a single metal sheet as the second integrated part, and the second integrated part is attached and connected to the radiating part. The first end of the second neutral grounding part is integrated on the first neutral grounding part, and the second end of the second neutral grounding part is connected to the first end of one of the power supply parts; The first end of the third neutral grounding part is integrated on the first neutral grounding part, and the second end of the third neutral grounding part is connected to the first end of one of the power supply parts; The first side grounding portion and the second side grounding portion are parallel to each other and both are perpendicular to the base grounding portion. The first end of the first side grounding portion and the second end of the second side grounding portion are both perpendicularly connected to the grounding portion. The second end of the first side grounding portion is connected to the first end of the first neutral grounding portion, and the second end of the second side grounding portion is connected to the second end of the first neutral grounding portion. The second end of each of the power supply units is connected to the power supply port on the grounding part of the substrate; The radiating part is arranged parallel to the grounding part of the substrate.

[0046] Furthermore, the antenna also includes a seventh dielectric substrate, an eighth dielectric substrate, a ninth dielectric substrate, and a tenth dielectric substrate; The seventh dielectric plate is attached to the lower surface of the radiating part; The eighth dielectric plate is bonded and connected to the upper surface of the substrate grounding portion; The first side grounding portion is completely embedded in the ninth dielectric plate; The second side grounding portion is completely embedded in the tenth dielectric plate.

[0047] Furthermore, each of the aforementioned dielectric substrates is a dielectric substrate covered with metal.

[0048] Specifically, the dielectric substrate in this embodiment can be a copper-clad dielectric substrate or an aluminum-clad dielectric substrate.

[0049] This application also provides a port decoupling method applied to the aforementioned beam reconfigurable antenna, the decoupling method comprising: When the signal fed into the feed port of the antenna is a common-mode signal, the common-mode active reflection coefficient of the antenna is obtained; When the signal fed into the feed port is a differential mode signal, the differential mode active reflection coefficient of the antenna is obtained; Adjust the radiating element and / or resonator in the antenna so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold.

[0050] Specifically, the preset threshold can be freely set, such as -5dB, -10dB, or -20dB. Optionally, in this embodiment, -10dB can be used as the preset threshold.

[0051] Further, adjusting the radiating element and / or resonator in the antenna to make the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient less than a preset threshold includes: Perform at least one of the following steps: The size of the radiating element is adjusted so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold. Alternatively, the metal strip in the resonator can be replaced with other metal strips with different inductance values ​​so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold. Alternatively, the lumped capacitor in the resonator can be replaced with other lumped capacitors of different values ​​so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold.

[0052] This application also provides a beam reconfigurable control method, applied to the aforementioned beam reconfigurable antenna, the control method comprising: When the signal fed into the antenna is a common-mode signal, the beam pointing of the antenna is adjusted to be horizontal omnidirectional. When the signal fed into the antenna is a differential mode signal, the beam pointing of the antenna is adjusted to the side-firing normal direction; When the signal fed into the antenna is between the common-mode signal and the differential-mode signal, the beam pointing of the antenna is adjusted to be between the side-firing normal pointing and the horizontal omnidirectional pointing.

[0053] To facilitate a clearer understanding of this application, the following description will use two complete optional embodiments.

[0054] Example 1 Reference Figure 2 This embodiment provides a beam-reconfigurable dual-port slot antenna, corresponding to an implementation where the feed section includes two feed metal strips. Figure 2 From top to bottom are a top view, an example structural diagram, and a side view of the radiating section of the dual-port slot antenna.

[0055] Specifically, Figure 2 1 is the radiating part (the radiating part can be a metal patch), 2 is the grounding part, 3 is the left feed part, 4 is the right feed part, 5 and 7 are metal strips as distributed inductance, 6 is the lumped capacitance, 5, 6 and 7 together form a resonator, 8 and 10 are the left and right feed ports of the feed part, and 9 is a port on the grounding part.

[0056] In this embodiment, the beam-reconfigurable dual-port slot antenna may include three copper-clad dielectric substrates that support the various structures of the antenna. The antenna may include two feed sections and two feed ports, and its resonator may consist of a distributed inductor and a lumped capacitor formed by metal strips.

[0057] The port decoupling method provided in this application involves feeding common-mode and differential-mode signals from a signal source via a dual-port feeding section to obtain the common-mode active reflection coefficient and differential-mode active reflection coefficient of the antenna resonant frequency band. By adjusting the size of the radiator, or adjusting the size of the resonator metal strip to adjust the value of the distributed inductance, or adjusting the lumped capacitance with different values, or simultaneously adjusting the size and value of the radiator and the resonator, the common-mode and differential-mode active reflection coefficients within the resonant frequency band can be made to overlap and simultaneously be less than -10dB. It should be noted that the degree of overlap and the value of the common-mode and differential-mode active reflection coefficient curves determine the port isolation and also affect the antenna beam reconfigurability control efficiency and the overall efficiency of the antenna under each reconfigured beam.

[0058] The beam reconfigurable control method provided in this application adjusts the signal fed into the feed section of the signal source and adjusts the signal difference between the dual-port feed signals to achieve reconfigurable control of the antenna beam. The differential-mode feed signal corresponds to the antenna's side-firing normal beam, and the common-mode feed signal corresponds to the antenna's horizontal omnidirectional elevation beam at 45 degrees. An example diagram of the beam pointing control result can be referenced. Figure 3 .

[0059] Example 2 Reference Figure 4 This embodiment provides a beam-reconfigurable electric dipole wire antenna. Figure 4 The left side view shows the antenna from different perspectives, and the right side view shows the top view.

[0060] Specifically, the grounding part of the electric dipole antenna is perpendicular to the feeding part and the radiating part. Figure 4 1 is the radiating part, 2 and 6 are the left and right feed parts respectively, 3 is an overlapping circular sheet metal as a distributed capacitance, 4 is a metal strip as a distributed inductance, 3 and 4 together form a resonator, 5 and 7 are the feed ports of the left and right feed parts respectively, 8 is the ground part, and 9 and 10 are copper-clad dielectric boards.

[0061] In this embodiment, the beam-reconfigurable electric dipole antenna includes two copper-clad dielectric substrates, two feed sections and two feed ports; and a resonator consisting of a distributed inductor made of metal strips and a distributed capacitance composed of overlapping circular (not limited to circular) sheet metal.

[0062] The port decoupling method provided in this application obtains the common-mode and differential-mode active reflection coefficients of the antenna resonant frequency band by feeding common-mode and differential-mode signals from a signal source through a dual-port feeding section. By adjusting the size of the radiator, or adjusting the size of the resonator metal strip to adjust the value of the distributed inductance, or adjusting the size of the overlapping circular sheet metal to adjust the value of the distributed capacitance, or simultaneously adjusting the size of the radiator and the resonator, the common-mode and differential-mode active reflection coefficients within the resonant frequency band can be made to overlap and simultaneously be less than -10dB. It should be noted that the degree of overlap and the value of the common-mode and differential-mode active reflection coefficient curves determine the port isolation, and also affect the antenna beam reconfigurability control efficiency and the overall efficiency of the antenna under each reconfigured beam.

[0063] The control method provided in this application adjusts the signal fed into the feed section of the signal source and adjusts the signal difference of the dual-port feed signals to achieve reconfigurable control of the antenna beam. The differential mode feed signal corresponds to the antenna side-firing normal beam, and the common mode feed signal corresponds to the antenna horizontal omnidirectional elevation angle 40~50 degrees beam.

[0064] Example 3 Reference Figure 5 This embodiment provides another beam-reconfigurable electric dipole wire antenna. Figure 5 The left and right sides are side views of the antenna from different perspectives.

[0065] Specifically, Figure 5 The antenna shown has its grounding section, feed section, and radiating section parallel to each other. Figure 5 1 is the radiating part, 2 and 6 are the left and right feed parts respectively, 3 is an overlapping circular sheet metal as a distributed capacitance, 4 is a metal strip as a distributed inductance, 3 and 4 together form a resonator, 5 and 7 are the feed ports of the left and right feed parts respectively, 8 is the ground part, and 9 and 10 are copper-clad dielectric boards.

[0066] Example 4 Reference Figure 6 This embodiment provides a beam-reconfigurable magnetoelectric dipole aperture antenna. Figure 6 From top to bottom, these are the top view, example structural diagram, and side view of the antenna of this aperture.

[0067] Specifically, Figure 6 1 is the grounding part, 2 is the copper-clad dielectric substrate, 3 and 4 are the left and right side copper-clad dielectric substrates perpendicular to 2, 5 is the copper-clad dielectric substrate parallel to 2, 6 and 7 are the left and right grounding parts respectively, 8 is the radiating part, 9 is the first neutral grounding part connected to the grounding parts 6 and 7, 10 is the second neutral grounding part connected to the radiating part 8, and the other side has the same grounding part as 10, 11 is the power supply part, and the other side has the same power supply part as 11. At the same time, this embodiment has the same number of power supply ports as the power supply parts.

[0068] The embodiments of this application have at least the following beneficial effects: This application has at least the following beneficial effects: 1. The number of beam reconfigurable states implemented in this application embodiment is not limited and is determined by the signal source signal; (the relationship between the signal source signal and the phase difference between the feed port: the phase difference between the feed port refers to the phase difference between the signal source signals of the two ports respectively. When the phase difference is 180°, the signal is a differential mode (odd mode) signal, and when the phase difference is 0°, the signal is a common mode (even mode) signal). 2. The beam reconfigurable antenna provided in this application embodiment does not require the participation of active devices, effectively reducing the complexity of the antenna system; 3. The beam-reconfigurable antenna provided in this application embodiment has a polarization purity of over 40 dB and a common-polarization in-band port isolation of over 15 dB; 4. The beam-reconfigurable antenna provided in this application embodiment can be applied to any type of radiating element antenna, such as a wire antenna, a slot antenna, or an aperture antenna; 5. The port decoupling method and beam reconfigurable control method provided in the embodiments of this application can be applied to any type of radiating element antenna, such as a wire antenna, a slot antenna, or an aperture antenna.

[0069] This application also provides an electronic device, which includes a memory and a processor. The memory stores a computer program, and the processor executes the computer program to implement the above-described method.

[0070] Specifically, electronic devices can be user terminals or servers.

[0071] This application also provides a computer-readable storage medium storing a computer program that, when executed by a processor, implements the above-described method.

[0072] Memory, as a non-transitory computer-readable storage medium, can be used to store non-transitory software programs and non-transitory computer-executable programs. Furthermore, memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid-state storage device. In some embodiments, memory may optionally include memory remotely located relative to the processor, and these remote memories can be connected to the processor via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

[0073] This application also discloses a computer program product or computer program, which includes computer instructions stored in a computer-readable storage medium. A processor of an electronic device can read the computer instructions from the computer-readable storage medium and execute the computer instructions to cause the electronic device to perform the aforementioned method.

[0074] In some alternative embodiments, the functions / operations mentioned in the block diagrams may not occur in the order shown in the operation diagrams. For example, depending on the functions / operations involved, two consecutively shown blocks may actually be executed substantially simultaneously, or the blocks may sometimes be executed in reverse order. Furthermore, the embodiments presented and described in the flowcharts of this application are provided by way of example to provide a more comprehensive understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and sub-operations described as part of a larger operation are executed independently.

[0075] Furthermore, although this application is described in the context of functional modules, it should be understood that, unless otherwise stated, one or more of the described functions and / or features may be integrated into a single physical device and / or software module, or one or more functions and / or features may be implemented in a separate physical device or software module. It is also understood that a detailed discussion of the actual implementation of each module is unnecessary for understanding this application. Rather, given the properties, functions, and internal relationships of the various functional modules in the apparatus disclosed herein, the actual implementation of the module will be understood within the scope of conventional technology for an engineer. Therefore, those skilled in the art can implement the application set forth in the claims using ordinary techniques without excessive experimentation. It is also understood that the specific concepts disclosed are merely illustrative and not intended to limit the scope of this application, which is determined by the full scope of the appended claims and their equivalents.

[0076] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause an electronic device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0077] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by, or in conjunction with, an instruction execution system, apparatus, or device (such as a computer-based system, a processor-including system, or other system that can fetch and execute instructions from, an instruction execution system, apparatus, or device). For the purposes of this specification, "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transmit programs for use by, or in conjunction with, an instruction execution system, apparatus, or device.

[0078] More specific examples of computer-readable media (a non-exhaustive list) include: electrical connections (electronic devices) having one or more wires, portable computer disk drives (magnetic devices), random access memory (RAM), read-only memory (ROM), erasable and editable read-only memory (EPROM or flash memory), fiber optic devices, and portable optical disc read-only memory (CDROM). Furthermore, computer-readable media can even be paper or other suitable media on which the program can be printed, because the program can be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, interpreting, or otherwise processing as necessary, and then stored in computer memory.

[0079] It should be understood that various parts of this application can be implemented using hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented using software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented using any one or a combination of the following techniques known in the art: discrete logic circuits having logic gates for implementing logical functions on data signals, application-specific integrated circuits (ASICs) having suitable combinational logic gates, programmable gate arrays (PGAs), field-programmable gate arrays (FPGAs), etc.

[0080] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0081] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

[0082] The above is a detailed description of the preferred embodiments of this application, but this application is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this application, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A beam-reconfigurable antenna, characterized in that, include: Radiation section, grounding section, multiple power supply sections, and resonator; The grounding part is provided with a number of feed ports equal to the number of feed parts; One end of each of the feed sections is connected to the radiating section, and the other end of each of the feed sections is connected to a feed port. One end of the resonator is connected to the radiating part, and the other end is connected to the feeding part; The size of the radiating section is adjustable, and the electrical components in the resonator are replaceable to adjust the electrical parameters of the resonator; The resonator includes a first inductor, a second inductor, and a first capacitor; Wherein, the first end of the first capacitor is connected to the first end of the first inductor, and the second end of the first capacitor is connected to the first end of the second inductor; The second end of the first inductor is connected to the radiating part, and the second end of the second inductor is connected to the feeding part; The antenna also includes a first dielectric substrate, a second dielectric substrate, and a third dielectric substrate; The lower surface of the radiating part is arranged parallel to the upper surface of the grounding part; The first dielectric plate is attached to the lower surface of the radiating part; The second dielectric plate is bonded and connected to the upper surface of the grounding part; The resonator and each of the feed units are completely integrated into the third dielectric substrate.

2. The beam-reconfigurable antenna according to claim 1, characterized in that, The resonator includes a first metal plate and a second metal plate of identical size, and a third metal plate; The radiating part, each of the feeding parts, and the first metal sheet and the second metal sheet are integrated into a single metal sheet as a first integrated part; the plane of the first integrated part is perpendicular to the plane of the grounding part, or the plane of the first integrated part is parallel to the plane of the grounding part. The first end of the first metal sheet and the first end of the second metal sheet are integrated on the radiating part, and the second end of the first metal sheet and the second end of the second metal sheet are circular. The first end of the third metal sheet is connected to the grounding part, and the second end of the third metal sheet is circular with an area equal to that of the second end of the first metal sheet; the second end of the third metal sheet is attached to the second end of the first metal sheet, or the second end of the third metal sheet is attached to the second end of the second metal sheet. The first end of each of the power feeding sections is integrated on the radiating section, and the second end of each of the power feeding sections is connected to the grounding section.

3. A beam-reconfigurable antenna according to claim 2, characterized in that, When the plane of the first integrated portion is perpendicular to the plane of the ground portion, the antenna further includes a fourth dielectric plate and a fifth dielectric plate; The first integration unit is completely embedded in the fourth dielectric substrate; The upper surface of the grounding part is bonded and connected to the fifth dielectric plate.

4. A beam-reconfigurable antenna according to claim 2, characterized in that, When the plane of the first integrated portion is parallel to the plane of the ground portion, the antenna further includes a sixth dielectric substrate; The first integration unit and the grounding unit are completely integrated into the sixth dielectric substrate.

5. A beam-reconfigurable antenna according to claim 1, characterized in that, The grounding portion includes a base grounding portion, a first side grounding portion, a second side grounding portion, a first neutral grounding portion, a second neutral grounding portion, and a third neutral grounding portion; The first neutral grounding part, the second neutral grounding part, and the third neutral grounding part are integrated into a single metal sheet as the second integrated part, and the second integrated part is attached and connected to the radiating part. The first end of the second neutral grounding part is integrated on the first neutral grounding part, and the second end of the second neutral grounding part is connected to the first end of one of the power supply parts; The first end of the third neutral grounding part is integrated on the first neutral grounding part, and the second end of the third neutral grounding part is connected to the first end of one of the power supply parts; The first side grounding portion and the second side grounding portion are parallel to each other and both are perpendicular to the base grounding portion. The first end of the first side grounding portion and the second end of the second side grounding portion are both perpendicularly connected to the grounding portion. The second end of the first side grounding portion is connected to the first end of the first neutral grounding portion, and the second end of the second side grounding portion is connected to the second end of the first neutral grounding portion. The second end of each of the power supply units is connected to the power supply port on the grounding part of the substrate; The radiating part is arranged parallel to the grounding part of the substrate.

6. A beam-reconfigurable antenna according to claim 5, characterized in that, The antenna also includes a seventh dielectric substrate, an eighth dielectric substrate, a ninth dielectric substrate, and a tenth dielectric substrate; The seventh dielectric plate is attached to the lower surface of the radiating part; The eighth dielectric plate is bonded and connected to the upper surface of the substrate grounding portion; The first side grounding portion is completely embedded in the ninth dielectric plate; The second side grounding portion is completely embedded in the tenth dielectric plate.

7. A beam-reconfigurable antenna according to any one of claims 1, 3, 4, and 6, characterized in that, Each of the aforementioned dielectric substrates is a dielectric substrate covered with metal.

8. A port decoupling method, characterized in that, Applied to a beam-reconfigurable antenna as described in any one of claims 1 to 7, the decoupling method comprises: When the signal fed into the feed port of the antenna is a common-mode signal, the common-mode active reflection coefficient of the antenna is obtained; When the signal fed into the feed port is a differential mode signal, the differential mode active reflection coefficient of the antenna is obtained; Adjust the radiating element and / or resonator in the antenna so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold.

9. A port decoupling method according to claim 8, characterized in that, Adjusting the radiating element and / or resonator in the antenna to make the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient less than a preset threshold includes: Perform at least one of the following steps: The size of the radiating element is adjusted so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold. Alternatively, the metal strip in the resonator can be replaced with other metal strips with different inductance values ​​so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold. Alternatively, the lumped capacitor in the resonator can be replaced with other lumped capacitors of different values ​​so that the difference between the common-mode active reflection coefficient and the differential-mode active reflection coefficient is less than a preset threshold.

10. A beam reconfigurable control method, characterized in that, Applied to a beam-reconfigurable antenna as described in any one of claims 1 to 7, the control method comprises: When the signal fed into the antenna is a common-mode signal, the beam pointing of the antenna is adjusted to be horizontal omnidirectional. When the signal fed into the antenna is a differential mode signal, the beam pointing of the antenna is adjusted to the side-firing normal direction; When the signal fed into the antenna is between the common-mode signal and the differential-mode signal, the beam pointing of the antenna is adjusted to be between the side-firing normal pointing and the horizontal omnidirectional pointing.

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