WO2012100567A1 - Microstrip antenna and method for improving angle diversity effect - Google Patents
Microstrip antenna and method for improving angle diversity effect Download PDFInfo
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- WO2012100567A1 WO2012100567A1 PCT/CN2011/081142 CN2011081142W WO2012100567A1 WO 2012100567 A1 WO2012100567 A1 WO 2012100567A1 CN 2011081142 W CN2011081142 W CN 2011081142W WO 2012100567 A1 WO2012100567 A1 WO 2012100567A1
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- 239000004020 conductor Substances 0.000 claims abstract description 69
- 230000005855 radiation Effects 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000005562 fading Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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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
- H01Q9/06—Details
- H01Q9/065—Microstrip dipole antennas
Definitions
- the present invention relates to a microstrip antenna technology in a wireless communication system, and more particularly to a microstrip antenna and method for improving an angle diversity effect.
- angle diversity is one of the more widely used in multi-antenna systems. Angle diversity uses different antenna pattern directions to separate signals from different directions.
- the existing microstrip antenna is composed of a conductor vibrator, a dielectric substrate and a ground plate as shown in Fig. 1, wherein the dielectric substrate is interposed between the conductor vibrator and the ground plate.
- the existing microstrip antenna has only the main mode radiation, and the antenna wave speed width is narrow. Summary of the invention
- the main object of the present invention is to provide a microstrip antenna and method for improving the angle diversity effect, which realizes a change in the maximum radiation direction of the antenna pattern and broadens the beam width of the antenna.
- the present invention provides a microstrip antenna for improving an angle diversity effect, the microstrip antenna comprising: a conductor vibrator, a dielectric substrate, a ground plate, and a conductor device; wherein
- a conductor vibrator connected to the ground plate by a conductor device for receiving an azimuth incoming wave; a dielectric substrate interposed between the conductor vibrator and the ground plate;
- a ground plate for providing ground in the circuit
- a conductor device for exciting at least one high-order mode radiation, the maximum radiation of the radiation
- the direction of the shot deviates from the zenith direction.
- the dielectric substrate has a dielectric constant of 4.5 and a thickness of 0.5 to 2 mm.
- the conductor device is a metal through hole.
- the metal through hole has at least one.
- the metal through holes have four corners at four corners of the conductor vibrator, and the metal through hole has the same depth as the dielectric substrate.
- the four metal through holes are symmetric with respect to the center of the conductor vibrator, and the shapes of the four metal through holes are exactly the same, and the aperture is between 0.1 and 1 mm.
- the center position of the metal through hole at the corner of each conductor element is 0.5 mm from both sides of the corner.
- the length of the long side of the conductor vibrator is 12 mm
- the length of the wide side is 10 mm
- the length of the microstrip side feed transmission line is 5 mm.
- the invention provides a method for improving an angle diversity effect, the method comprising:
- the conductor element is coupled to the ground plate through the conductor means; at least one of the higher order modes of radiation is excited by the conductor means, the direction of maximum radiation of the radiation being offset from the zenith direction.
- the present invention provides a microstrip antenna and method for improving an angle diversity effect, connecting a conductor vibrator to a ground plate through a conductor device; and exciting at least one high-order mode radiation by the conductor device, the maximum radiation direction deviation of the radiation The zenith direction; thus, under different modes of radiation superposition, different beam directions and beam widths can be obtained, the maximum radiation direction of the antenna pattern can be changed, and the maximum radiation direction deviating from the zenith direction and the conductor vibrator The maximum radiation direction of the main mode is superimposed, which can widen the beam width of the antenna.
- 1 is a schematic structural view of a conventional microstrip antenna
- FIG. 2 is a schematic structural diagram of a microstrip antenna for improving an angle diversity effect according to an embodiment of the present invention
- 3 is a schematic structural view of a microstrip antenna using a metal through hole as a conductor device according to an embodiment of the present invention
- FIG. 4 is a schematic diagram of radiation directions of different modes of a microstrip antenna according to an embodiment of the present invention
- FIG. 5 is a schematic diagram of radiation directions of a vibrator antenna
- FIG. 7 is a schematic diagram of a standing wave ratio of a microstrip antenna according to an embodiment of the present invention.
- FIG. 8 is a schematic flowchart diagram of a method for improving an angle diversity effect according to an embodiment of the present invention. detailed description
- the basic idea of the invention is to: connect the conductor element to the ground plate through the conductor means; to excite at least one of the higher order modes of radiation by the conductor means, the maximum radiation direction of said radiation being offset from the zenith direction.
- the present invention realizes a microstrip antenna for improving the angle diversity effect, as shown in FIG. 2, comprising: a conductor vibrator, a dielectric substrate, a grounding plate, and a conductor device; wherein
- a conductor vibrator connected to the ground plate by a conductor device for receiving an azimuth incoming wave; a dielectric substrate interposed between the conductor vibrator and the ground plate;
- a ground plate for providing ground in the circuit
- a conductor device for exciting at least one of the higher order modes of radiation, the maximum radiation direction of the radiation being offset from the zenith direction;
- the dielectric substrate may have a dielectric constant of 4.5 and a thickness of generally 0.5 to 2 mm, which is 1 mm in this embodiment;
- the conductor device is generally a metal through hole
- the metal through holes have at least one, generally four, as shown in FIG. 3, respectively, at the four corners of the conductor vibrator, the metal through hole depth is the same as the thickness of the dielectric substrate, such as the medium of the embodiment.
- the thickness of the substrate is 1 mm;
- the four metal through holes are symmetric with respect to the center of the conductor vibrator, and the shapes of the four metal through holes are exactly the same, and the aperture is generally between 0.1 and 1 mm;
- center position of the metal through hole at the corner of each of the conductor vibrators is 0.5 mm from both sides of the corner;
- the length of the long side of the conductor vibrator is 12 mm
- the length of the wide side is 10 mm
- the length of the microstrip side feed transmission line is 5 mm.
- the radiation directions of different modes of the microstrip antenna of this embodiment are as shown in FIG. 4, wherein the solid line is the radiation direction of the TM11 mode, the sparse dotted line is the radiation direction of the TM21 mode, and the dense dotted line is the radiation direction of the TM31 mode, Different beam directions and beamwidths can be obtained under different modes of radiation superposition.
- the four metal through-holes of the microstrip antenna of this embodiment correspond to the vibrator antenna, and the radiation direction of the vibrator antenna is as shown in FIG. 5, and it can be seen that the maximum radiation direction is the horizontal direction, and the maximum radiation direction of the main mode of the conductor vibrator is the day. In the top direction, the two are perpendicular. When the amplitudes of the two are comparable, the superposition of the two can broaden the beamwidth of the antenna.
- the beam width comparison between the microstrip antenna of the present embodiment and the existing microstrip antenna is as shown in FIG. 6, wherein the block identification curve is the radiation pattern of the microstrip antenna of the embodiment, and the triangular identification curve is the existing microstrip antenna. As shown in the radiation pattern, the beam width of the microstrip antenna of this embodiment is much larger than that of the existing microstrip antenna, and reaches 170 degrees in the 3 dB beam.
- the standing wave ratio of the microstrip antenna of this embodiment is as shown in Fig. 7, and the standing wave ratio is the smallest at 10.5 GHz.
- the present invention also provides a method for improving the angle diversity effect, As shown in Figure 8, the method includes the following steps:
- Step 101 connecting the conductor vibrator to the ground plate through the conductor device
- the conductor vibrator and the ground plate are separated by a dielectric substrate
- the dielectric substrate may have a dielectric constant of 4.5 and a thickness of generally 0.5 to 2 mm, which is 1 mm in this embodiment;
- the conductor device is generally a metal through hole
- the metal through-holes have at least one, generally four, respectively, at the four corners of the conductor vibrator, the metal through-hole depth is the same as the thickness of the dielectric substrate, such as the thickness of the dielectric substrate of the embodiment, is lmm;
- the four metal through holes are symmetric with respect to the center of the conductor vibrator, and the shapes of the four metal through holes are exactly the same, and the aperture is generally between 0.1 and 1 mm;
- center position of the metal through hole at the corner of each conductor vibrator is 0.5 mm from both sides of the corner;
- the length of the long side of the conductor vibrator is 12 mm
- the length of the wide side is 10 mm
- the length of the microstrip side feed transmission line is 5 mm;
- the step further includes: improving a beam width of the microstrip antenna by adjusting a thickness of the dielectric substrate;
- the thickness of the dielectric substrate at the maximum beam width at the operating frequency of the microstrip antenna is determined by a simulation test.
- Step 102 Exciting at least one high-order mode of radiation by the conductor device, the maximum radiation direction of the radiation deviating from the zenith direction.
- At least one high-order mode radiation is excited by the conductor device, and different beam directions and beam widths can be obtained under different modes of radiation superposition, thereby realizing the maximum radiation direction change of the antenna pattern, and , superimposing the maximum radiation direction deviating from the zenith direction with the maximum radiation direction of the main mode of the conductor vibrator, and widening the beam width of the antenna.
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Abstract
Disclosed is a microstrip antenna for improving angle diversity effect, comprising: a conductor dipole, a dielectric substrate, a ground plate and a conductor element, wherein the conductor dipole connected to the ground plate via the conductor element is used to receive the incoming waves from the azimuth direction; the dielectric substrate is between the conductor dipole and the ground plate; the ground plate is used to provide the ground for the circuit; the conductor element is used for exciting radiation of at least one higher order mode, with the maximum radiation direction of the radiation deviating from the zenith; and also disclosed is a method for improving angle diversity effect, wherein by way of the solution of the present invention, the change of the maximum radiation direction in the antenna direction pattern is realized and the beam width of the antenna can be broadened by superimposing the maximum radiation direction deviating from the zenith with the maximum radiation direction of the dominant mode of the conductor dipole.
Description
一种提高角度分集效果的微带天线及方法 技术领域 Microstrip antenna and method for improving angle diversity effect
本发明涉及无线通信系统中的微带天线技术， 尤其涉及一种提高角度 分集效果的微带天线及方法。 背景技术 The present invention relates to a microstrip antenna technology in a wireless communication system, and more particularly to a microstrip antenna and method for improving an angle diversity effect. Background technique
与有线通信相比， 无线通信的不可靠性主要是由无线衰落信道的时变 和多径特性引起的。 在不增加发送功率或系统带宽的情况下， 克服多径衰 落影响、 提高信道可靠性的有效方法是采用各种分集技术。 其中， 角度分 集是多天线系统中应用较多的一种， 角度分集即是利用不同的天线方向图 指向来分离来自不同方向的信号。 现有的微带天线如图 1 所示， 由导体振 子、 介质基片和接地板组成， 其中， 介质基片介于导体振子与接地板之间。 现有的微带天线只有主模辐射， 天线波速宽度较窄。 发明内容 Compared with wired communication, the unreliability of wireless communication is mainly caused by the time-varying and multipath characteristics of the wireless fading channel. An effective method for overcoming the effects of multipath fading and improving channel reliability without increasing transmission power or system bandwidth is to employ various diversity techniques. Among them, angle diversity is one of the more widely used in multi-antenna systems. Angle diversity uses different antenna pattern directions to separate signals from different directions. The existing microstrip antenna is composed of a conductor vibrator, a dielectric substrate and a ground plate as shown in Fig. 1, wherein the dielectric substrate is interposed between the conductor vibrator and the ground plate. The existing microstrip antenna has only the main mode radiation, and the antenna wave speed width is narrow. Summary of the invention
有鉴于此， 本发明的主要目的在于提供一种提高角度分集效果的微带 天线及方法， 实现天线方向图最大辐射方向的变化， 展宽天线的波束宽度。 In view of the above, the main object of the present invention is to provide a microstrip antenna and method for improving the angle diversity effect, which realizes a change in the maximum radiation direction of the antenna pattern and broadens the beam width of the antenna.
为达到上述目的， 本发明的技术方案是这样实现的： In order to achieve the above object, the technical solution of the present invention is achieved as follows:
本发明提供的一种提高角度分集效果的微带天线， 该微带天线包括： 导体振子、 介质基片、 接地板、 导体器件； 其中， The present invention provides a microstrip antenna for improving an angle diversity effect, the microstrip antenna comprising: a conductor vibrator, a dielectric substrate, a ground plate, and a conductor device; wherein
导体振子， 通过导体器件连接接地板， 用于接收方位向的来波； 介质基片， 介于导体振子与接地板之间； a conductor vibrator connected to the ground plate by a conductor device for receiving an azimuth incoming wave; a dielectric substrate interposed between the conductor vibrator and the ground plate;
接地板， 用于提供电路中的地； a ground plate for providing ground in the circuit;
导体器件， 用于激励起至少一种高次模式的辐射， 所述辐射的最大辐
射方向偏离天顶方向。 a conductor device for exciting at least one high-order mode radiation, the maximum radiation of the radiation The direction of the shot deviates from the zenith direction.
上述方案中， 所述介质基片的介电常数为 4.5 , 厚度在 0.5~2mm之间。 上述方案中， 所述导体器件为金属通孔。 In the above solution, the dielectric substrate has a dielectric constant of 4.5 and a thickness of 0.5 to 2 mm. In the above solution, the conductor device is a metal through hole.
上述方案中， 所述金属通孔至少有一个。 In the above solution, the metal through hole has at least one.
上述方案中， 所述金属通孔有四个， 分别在导体振子的四个边角， 金 属通孔深度与介质基片厚度相同。 In the above solution, the metal through holes have four corners at four corners of the conductor vibrator, and the metal through hole has the same depth as the dielectric substrate.
上述方案中， 四个金属通孔对于导体振子中心对称， 四个金属通孔的 形状完全相同， 孔径在 0.1~lmm之间。 In the above solution, the four metal through holes are symmetric with respect to the center of the conductor vibrator, and the shapes of the four metal through holes are exactly the same, and the aperture is between 0.1 and 1 mm.
上述方案中， 每个导体振子边角的金属通孔的中心位置距离边角的两 边均为 0.5mm。 In the above solution, the center position of the metal through hole at the corner of each conductor element is 0.5 mm from both sides of the corner.
上述方案中， 所述导体振子长边长度为 12mm, 宽边长度为 10mm, 微 带侧馈传输线的长度为 5mm。 In the above solution, the length of the long side of the conductor vibrator is 12 mm, the length of the wide side is 10 mm, and the length of the microstrip side feed transmission line is 5 mm.
本发明提供的一种提高角度分集效果的方法， 该方法包括： The invention provides a method for improving an angle diversity effect, the method comprising:
将导体振子与接地板通过导体器件连接； 通过导体器件激励起至少一 种高次模式的辐射， 所述辐射的最大辐射方向偏离天顶方向。 The conductor element is coupled to the ground plate through the conductor means; at least one of the higher order modes of radiation is excited by the conductor means, the direction of maximum radiation of the radiation being offset from the zenith direction.
本发明提供了一种提高角度分集效果的微带天线及方法， 将导体振子 与接地板通过导体器件连接； 通过导体器件激励起至少一种高次模式的辐 射， 所述辐射的最大辐射方向偏离天顶方向； 如此， 在不同模式的辐射叠 加下， 能够获得不同的的波束指向和波束宽度， 实现天线方向图最大辐射 方向的变化， 并且， 将偏离天顶方向的最大辐射方向与导体振子的主模最 大辐射方向叠加， 能够展宽天线的波束宽度。 附图说明 The present invention provides a microstrip antenna and method for improving an angle diversity effect, connecting a conductor vibrator to a ground plate through a conductor device; and exciting at least one high-order mode radiation by the conductor device, the maximum radiation direction deviation of the radiation The zenith direction; thus, under different modes of radiation superposition, different beam directions and beam widths can be obtained, the maximum radiation direction of the antenna pattern can be changed, and the maximum radiation direction deviating from the zenith direction and the conductor vibrator The maximum radiation direction of the main mode is superimposed, which can widen the beam width of the antenna. DRAWINGS
图 1为现有的微带天线的结构示意图； 1 is a schematic structural view of a conventional microstrip antenna;
图 2为本发明实施例的一种提高角度分集效果的微带天线的结构示意 图；
图 3 为本发明实施例的采用金属通孔作为导体器件的微带天线的结构 示意图； 2 is a schematic structural diagram of a microstrip antenna for improving an angle diversity effect according to an embodiment of the present invention; 3 is a schematic structural view of a microstrip antenna using a metal through hole as a conductor device according to an embodiment of the present invention;
图 4为本发明实施例的微带天线不同模式的辐射方向示意图； 图 5为振子天线的辐射方向示意图； 图； 4 is a schematic diagram of radiation directions of different modes of a microstrip antenna according to an embodiment of the present invention; FIG. 5 is a schematic diagram of radiation directions of a vibrator antenna;
图 7为本发明实施例的微带天线的驻波比示意图； 7 is a schematic diagram of a standing wave ratio of a microstrip antenna according to an embodiment of the present invention;
图 8为本发明实施例的一种提高角度分集效果的方法的流程示意图。 具体实施方式 FIG. 8 is a schematic flowchart diagram of a method for improving an angle diversity effect according to an embodiment of the present invention. detailed description
本发明的基本思想是： 将导体振子与接地板通过导体器件连接； 通过 导体器件激励起至少一种高次模式的辐射 , 所述辐射的最大辐射方向偏离 天顶方向。 The basic idea of the invention is to: connect the conductor element to the ground plate through the conductor means; to excite at least one of the higher order modes of radiation by the conductor means, the maximum radiation direction of said radiation being offset from the zenith direction.
下面通过附图及具体实施例对本发明做进一步的详细说明。 The invention will be further described in detail below with reference to the drawings and specific embodiments.
本发明实现一种提高角度分集效果的微带天线， 如图 2所示， 包括： 导体振子、 介质基片、 接地板、 导体器件； 其中， The present invention realizes a microstrip antenna for improving the angle diversity effect, as shown in FIG. 2, comprising: a conductor vibrator, a dielectric substrate, a grounding plate, and a conductor device; wherein
导体振子， 通过导体器件连接接地板， 用于接收方位向的来波； 介质基片， 介于导体振子与接地板之间； a conductor vibrator connected to the ground plate by a conductor device for receiving an azimuth incoming wave; a dielectric substrate interposed between the conductor vibrator and the ground plate;
接地板， 用于提供电路中的地； a ground plate for providing ground in the circuit;
导体器件， 用于激励起至少一种高次模式的辐射， 所述辐射的最大辐 射方向偏离天顶方向； a conductor device for exciting at least one of the higher order modes of radiation, the maximum radiation direction of the radiation being offset from the zenith direction;
所述介质基片的介电常数可以为 4.5 ,厚度一般在 0.5~2mm之间，本实 施例选 lmm; The dielectric substrate may have a dielectric constant of 4.5 and a thickness of generally 0.5 to 2 mm, which is 1 mm in this embodiment;
进一步的， 调整所述介质基片的厚度改善微带天线的波束宽度； 具体的， 通过模拟试验确定微带天线工作频率处最大波束宽度时的介 质基片的厚度；
所述导体器件一般为金属通孔； Further, adjusting the thickness of the dielectric substrate improves the beam width of the microstrip antenna; specifically, determining the thickness of the dielectric substrate at the maximum beam width at the operating frequency of the microstrip antenna through a simulation test; The conductor device is generally a metal through hole;
进一步的， 所述金属通孔至少有一个， 一般有四个， 如图 3 所示， 分 别在导体振子的四个边角， 金属通孔深度与介质基片厚度相同， 如本实施 例的介质基片厚度， 为 1mm; Further, the metal through holes have at least one, generally four, as shown in FIG. 3, respectively, at the four corners of the conductor vibrator, the metal through hole depth is the same as the thickness of the dielectric substrate, such as the medium of the embodiment. The thickness of the substrate is 1 mm;
进一步的， 所述四个金属通孔对于导体振子中心对称， 所述四个金属 通孔的形状完全相同， 孔径一般在 0.1~lmm之间； Further, the four metal through holes are symmetric with respect to the center of the conductor vibrator, and the shapes of the four metal through holes are exactly the same, and the aperture is generally between 0.1 and 1 mm;
进一步的， 每个所述导体振子边角的金属通孔的中心位置距离边角的 两边均为 0.5mm; Further, the center position of the metal through hole at the corner of each of the conductor vibrators is 0.5 mm from both sides of the corner;
进一步的， 所述导体振子长边长度为 12mm, 宽边长度为 10mm, 微带 侧馈传输线的长度为 5mm。 Further, the length of the long side of the conductor vibrator is 12 mm, the length of the wide side is 10 mm, and the length of the microstrip side feed transmission line is 5 mm.
本实施例的微带天线不同模式的辐射方向如图 4 所示， 其中实线为 TM11模式的的辐射方向，稀疏虚线为 TM21模式的的辐射方向， 密集虚线 为 TM31模式的的辐射方向， 这样， 在不同模式的辐射叠加下， 能够获得 不同的的波束指向和波束宽度。 The radiation directions of different modes of the microstrip antenna of this embodiment are as shown in FIG. 4, wherein the solid line is the radiation direction of the TM11 mode, the sparse dotted line is the radiation direction of the TM21 mode, and the dense dotted line is the radiation direction of the TM31 mode, Different beam directions and beamwidths can be obtained under different modes of radiation superposition.
本实施例的微带天线的四个金属通孔相当于振子天线， 振子天线的辐 射方向如图 5 所示， 可以看出最大辐射方向为水平方向， 而导体振子的主 模最大辐射方向为天顶方向， 二者垂直， 当二者的幅度可以相比拟时， 二 者叠加就可以展宽天线的波束宽度。 The four metal through-holes of the microstrip antenna of this embodiment correspond to the vibrator antenna, and the radiation direction of the vibrator antenna is as shown in FIG. 5, and it can be seen that the maximum radiation direction is the horizontal direction, and the maximum radiation direction of the main mode of the conductor vibrator is the day. In the top direction, the two are perpendicular. When the amplitudes of the two are comparable, the superposition of the two can broaden the beamwidth of the antenna.
本实施例的微带天线与现有微带天线的波束宽度比较如图 6所示， 其 中， 方块标识曲线为本实施例微带天线的辐射方向图， 三角标识曲线为现 有微带天线的辐射方向图， 可以看出， 本实施例的微带天线波束宽度比现 有微带天线的波束宽度要大很多， 在 3dB波束达到了 170度。 The beam width comparison between the microstrip antenna of the present embodiment and the existing microstrip antenna is as shown in FIG. 6, wherein the block identification curve is the radiation pattern of the microstrip antenna of the embodiment, and the triangular identification curve is the existing microstrip antenna. As shown in the radiation pattern, the beam width of the microstrip antenna of this embodiment is much larger than that of the existing microstrip antenna, and reaches 170 degrees in the 3 dB beam.
本实施例的微带天线的驻波比， 如图 7所示， 在 10.5GHz时驻波比最 小。 The standing wave ratio of the microstrip antenna of this embodiment is as shown in Fig. 7, and the standing wave ratio is the smallest at 10.5 GHz.
基于上述的微带天线， 本发明还提供一种提高角度分集效果的方法，
如图 8所示， 该方法包括以下几个步驟： Based on the above microstrip antenna, the present invention also provides a method for improving the angle diversity effect, As shown in Figure 8, the method includes the following steps:
步驟 101 : 将导体振子与接地板通过导体器件连接； Step 101: connecting the conductor vibrator to the ground plate through the conductor device;
这里， 所述导体振子与接地板之间由介质基片间隔； Here, the conductor vibrator and the ground plate are separated by a dielectric substrate;
所述介质基片的介电常数可以为 4.5 ,厚度一般在 0.5~2mm之间，本实 施例选 lmm; The dielectric substrate may have a dielectric constant of 4.5 and a thickness of generally 0.5 to 2 mm, which is 1 mm in this embodiment;
所述导体器件一般为金属通孔； The conductor device is generally a metal through hole;
进一步的， 所述金属通孔至少有一个， 一般有四个， 分别在导体振子 四个边角， 金属通孔深度与介质基片厚度相同， 如本实施例的介质基片厚 度， 为 lmm; Further, the metal through-holes have at least one, generally four, respectively, at the four corners of the conductor vibrator, the metal through-hole depth is the same as the thickness of the dielectric substrate, such as the thickness of the dielectric substrate of the embodiment, is lmm;
进一步的， 所述四个金属通孔对于导体振子中心对称， 四个金属通孔 的形状完全相同， 孔径一般在 0.1~lmm之间； Further, the four metal through holes are symmetric with respect to the center of the conductor vibrator, and the shapes of the four metal through holes are exactly the same, and the aperture is generally between 0.1 and 1 mm;
进一步的， 每个导体振子边角的金属通孔的中心位置距离边角的两边 均为 0.5mm; Further, the center position of the metal through hole at the corner of each conductor vibrator is 0.5 mm from both sides of the corner;
进一步的， 所述导体振子长边长度为 12mm, 宽边长度为 10mm, 微带 侧馈传输线的长度为 5mm; Further, the length of the long side of the conductor vibrator is 12 mm, the length of the wide side is 10 mm, and the length of the microstrip side feed transmission line is 5 mm;
进一步的， 本步驟还包括： 通过调整所述介质基片的厚度改善微带天 线的波束宽度； Further, the step further includes: improving a beam width of the microstrip antenna by adjusting a thickness of the dielectric substrate;
具体的， 通过模拟试验确定微带天线工作频率处最大波束宽度时的介 质基片的厚度。 Specifically, the thickness of the dielectric substrate at the maximum beam width at the operating frequency of the microstrip antenna is determined by a simulation test.
步驟 102: 通过导体器件激励起至少一种高次模式的辐射， 所述辐射的 最大辐射方向偏离天顶方向。 Step 102: Exciting at least one high-order mode of radiation by the conductor device, the maximum radiation direction of the radiation deviating from the zenith direction.
通过本发明的方案， 由导体器件激励起至少一种高次模式的辐射， 在 不同模式的辐射叠加下， 能够获得不同的的波束指向和波束宽度， 实现天 线方向图最大辐射方向的变化， 而且， 将偏离天顶方向的最大辐射方向与 导体振子的主模最大辐射方向叠加， 能够展宽天线的波束宽度。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围， 凡在本发明的精神和原则之内所作的任何修改、 等同替换和改进 等， 均应包含在本发明的保护范围之内。
With the solution of the present invention, at least one high-order mode radiation is excited by the conductor device, and different beam directions and beam widths can be obtained under different modes of radiation superposition, thereby realizing the maximum radiation direction change of the antenna pattern, and , superimposing the maximum radiation direction deviating from the zenith direction with the maximum radiation direction of the main mode of the conductor vibrator, and widening the beam width of the antenna. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included. Within the scope of protection of the present invention.
Claims
1、 一种提高角度分集效果的微带天线， 其特征在于，该微带天线包括： 导体振子、 介质基片、 接地板、 导体器件； 其中， A microstrip antenna for improving the angle diversity effect, wherein the microstrip antenna comprises: a conductor vibrator, a dielectric substrate, a ground plate, and a conductor device; wherein
导体振子， 通过导体器件连接接地板， 用于接收方位向的来波； 介质基片， 介于导体振子与接地板之间； a conductor vibrator connected to the ground plate by a conductor device for receiving an azimuth incoming wave; a dielectric substrate interposed between the conductor vibrator and the ground plate;
接地板， 用于提供电路中的地； a ground plate for providing ground in the circuit;
导体器件， 用于激励起至少一种高次模式的辐射， 所述辐射的最大辐 射方向偏离天顶方向。 A conductor device for exciting at least one of the higher order modes of radiation, the maximum radiation direction of the radiation being offset from the zenith direction.
2、 根据权利要求 1所述的微带天线， 其特征在于， 所述介质基片的介 电常数为 4.5 , 厚度在 0.5~2mm之间。 The microstrip antenna according to claim 1, wherein the dielectric substrate has a dielectric constant of 4.5 and a thickness of between 0.5 and 2 mm.
3、 根据权利要求 1或 2所述的微带天线， 其特征在于， 所述导体器件 为金属通孔。 The microstrip antenna according to claim 1 or 2, wherein the conductor device is a metal through hole.
4、 根据权利要求 3所述的微带天线， 其特征在于， 所述金属通孔至少 有一个。 The microstrip antenna according to claim 3, wherein at least one of the metal through holes is provided.
5、 根据权利要求 4所述的微带天线， 其特征在于， 所述金属通孔有四 个， 分别在导体振子的四个边角， 金属通孔深度与介质基片厚度相同。 The microstrip antenna according to claim 4, wherein the metal through holes have four corners at four corners of the conductor vibrator, and the metal through hole has the same thickness as the dielectric substrate.
6、 根据权利要求 5所述的微带天线， 其特征在于， 所述四个金属通孔 对于导体振子中心对称， 所述四个金属通孔的形状完全相同， 孔径在 The microstrip antenna according to claim 5, wherein the four metal through holes are symmetric with respect to a center of the conductor, and the shapes of the four metal through holes are exactly the same, and the aperture is
0.1~lmm之间。 Between 0.1~lmm.
7、 根据权利要求 6所述的微带天线， 其特征在于， 每个所述导体振子 边角的金属通孔的中心位置距离边角的两边均为 0.5mm。 The microstrip antenna according to claim 6, wherein a center of the metal through hole of each of the conductor elements is 0.5 mm from both sides of the corner.
8、 根据权利要求 7所述的微带天线， 其特征在于， 所述导体振子长边 长度为 12mm, 宽边长度为 10mm, 微带侧馈传输线的长度为 5mm。 The microstrip antenna according to claim 7, wherein the length of the long side of the conductor vibrator is 12 mm, the length of the wide side is 10 mm, and the length of the microstrip side feed transmission line is 5 mm.
9、 一种提高角度分集效果的方法， 其特征在于， 该方法包括： 将导体振子与接地板通过导体器件连接； 通过导体器件激励起至少一 种高次模式的辐射， 所述辐射的最大辐射方向偏离天顶方向。 9. A method for improving an angle diversity effect, the method comprising: connecting a conductor element to a ground plate through a conductor device; and exciting at least one by a conductor device A high-order mode of radiation whose maximum radiation direction deviates from the zenith direction.
10、 根据权利要求 9所述的方法， 其特征在于， 所述导体器件为金属 通孔。 10. The method of claim 9, wherein the conductor device is a metal via.
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| CN109390663A (en) * | 2017-08-08 | 2019-02-26 | 京信通信系统（中国）有限公司 | A kind of micro-strip radiating element and its antenna |
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| CN2857244Y (en) * | 2005-08-03 | 2007-01-10 | 深圳国瑞通讯有限公司 | Combined mini-band patch antenna for mobile satellite communicator |
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