TW202318722A - Wide bandwidth antenna for 5g millimeter wave - Google Patents

Wide bandwidth antenna for 5g millimeter wave Download PDF

Info

Publication number
TW202318722A
TW202318722A TW110145542A TW110145542A TW202318722A TW 202318722 A TW202318722 A TW 202318722A TW 110145542 A TW110145542 A TW 110145542A TW 110145542 A TW110145542 A TW 110145542A TW 202318722 A TW202318722 A TW 202318722A
Authority
TW
Taiwan
Prior art keywords
antenna
line segment
frequency band
millimeter wave
band units
Prior art date
Application number
TW110145542A
Other languages
Chinese (zh)
Other versions
TWI774622B (en
Inventor
蘇祐生
林昌暐
李勇廷
簡瑞誌
Original Assignee
大陸商環旭(深圳)電子科創有限公司 518057中國廣東省深圳市南山區西麗街道松坪山社區松坪山北 環路高新北區環旭電子廠101
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大陸商環旭(深圳)電子科創有限公司 518057中國廣東省深圳市南山區西麗街道松坪山社區松坪山北 環路高新北區環旭電子廠101 filed Critical 大陸商環旭(深圳)電子科創有限公司 518057中國廣東省深圳市南山區西麗街道松坪山社區松坪山北 環路高新北區環旭電子廠101
Application granted granted Critical
Publication of TWI774622B publication Critical patent/TWI774622B/en
Publication of TW202318722A publication Critical patent/TW202318722A/en

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
    • 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
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

Landscapes

  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Inorganic Insulating Materials (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

A wide bandwidth antenna for 5G millimeter wave is proposed. The wide bandwidth antenna for 5G millimeter wave includes a base board, a first antenna, a second antenna, an impedance matching line and a ground layer. The base board includes a first surface and a second surface. The first antenna includes two first frequency band units, and the two first frequency band units are disposed on the first surface and the second surface, respectively. The second antenna includes two second frequency band units, and the two second frequency band units are disposed on the first surface and the second surface, respectively. The impedance matching line is electrically connected to one of the first frequency band units which is disposed on the first surface. The ground layer is electrically connected to another one of the first frequency band units which is disposed on the second surface. When the first antenna is operating, the second antenna is viewed as a director. When the second antenna is operating, the first antenna is viewed as a reflector. Thus, the wide bandwidth antenna for 5G millimeter wave of the present disclosure provides a bandwidth which can cover the 5G millimeter wave new radio frequency band.

Description

應用於5G毫米波的寬頻天線Broadband Antennas for 5G mmWave

本發明係關於一種寬頻天線，特別是關於一種應用於5G毫米波的寬頻天線。The present invention relates to a broadband antenna, in particular to a broadband antenna applied to 5G millimeter waves.

為了達成更高的傳輸速率，5G通信系統發展出了新空中介面(New Radio；NR)，而新空中介面NR的其中一頻率範圍為FR2(Frequency Range 2)，此頻率範圍FR2的低頻範圍是24.25GHz~29.5GHz，高頻範圍是37GHz~43.5GHz，FR2頻率範圍包含毫米波(Millimeter Wave；mmWave)範圍內的頻段。In order to achieve a higher transmission rate, the 5G communication system has developed a new air interface (New Radio; NR), and one of the frequency ranges of the new air interface NR is FR2 (Frequency Range 2), and the low frequency range of this frequency range FR2 is 24.25GHz~29.5GHz, the high frequency range is 37GHz~43.5GHz, and the FR2 frequency range includes the frequency band within the millimeter wave (Millimeter Wave; mmWave) range.

目前5G天線較多採用貼片天線，其具有較簡單的結構及較高的指向性，由於貼片天線之頻寬較窄，需仰賴饋入結構與介質設置實現寬頻效果。然而，饋入結構及介質設置之複雜度較高。At present, most 5G antennas use patch antennas, which have a relatively simple structure and high directivity. Due to the narrow bandwidth of patch antennas, it is necessary to rely on the feed-in structure and medium settings to achieve broadband effects. However, the complexity of the feeding structure and medium configuration is relatively high.

由此可知，目前市場上缺乏一種低複雜度、高指向性、尺寸較小之應用於5G毫米波的寬頻天線，故相關業者均在尋求其解決之道。It can be seen that there is currently a lack of a low-complexity, high-directivity, and small-sized broadband antenna for 5G millimeter wave applications in the market, so relevant companies are looking for solutions.

因此，本發明之目的在於提供一種應用於5G毫米波的寬頻天線，其在基板的第一表面及第二表面皆設有第一天線的第一頻帶單元及第二天線的第二頻帶單元，涵蓋較大的頻寬範圍。Therefore, the object of the present invention is to provide a broadband antenna applied to 5G millimeter wave, which is provided with the first frequency band unit of the first antenna and the second frequency band of the second antenna on the first surface and the second surface of the substrate unit, covering a large bandwidth range.

依據本發明的結構態樣之一實施方式提供一種應用於5G毫米波的寬頻天線，包含基板、第一天線、第二天線、阻抗匹配線段及接地層。基板包含第一表面及第二表面。第二表面與第一表面反向。第一天線包含二第一頻帶單元。二第一頻帶單元分別設置於第一表面及第二表面。第二天線與第一天線之間具有間隔，且包含二第二頻帶單元。二第二頻帶單元分別設置於第一表面及第二表面。阻抗匹配線段設置於第一表面，並電性連接設置於第一表面之其中一第一頻帶單元。接地層設置於第二表面，並電性連接設置於第二表面之另一第一頻帶單元。其中，當第一天線工作時，第二天線視為一導向器；當第二天線工作時，第一天線視為一反射器。One embodiment of the structural aspect according to the present invention provides a broadband antenna applied to 5G millimeter waves, including a substrate, a first antenna, a second antenna, an impedance matching line segment, and a ground layer. The substrate includes a first surface and a second surface. The second surface is opposite to the first surface. The first antenna includes two first frequency band units. The two first frequency band units are respectively arranged on the first surface and the second surface. There is an interval between the second antenna and the first antenna, and includes two second frequency band units. The two second frequency band units are respectively arranged on the first surface and the second surface. The impedance matching line segment is disposed on the first surface and electrically connected to one of the first frequency band units disposed on the first surface. The ground layer is disposed on the second surface and is electrically connected to another first frequency band unit disposed on the second surface. Wherein, when the first antenna is working, the second antenna is regarded as a director; when the second antenna is working, the first antenna is regarded as a reflector.

藉此，本發明之應用於5G毫米波的寬頻天線在基板的第一表面及第二表面皆設置第一頻帶單元及第二頻帶單元，具有尺寸小、寬頻大及指向性高的特性。Thus, the broadband antenna applied to 5G millimeter wave of the present invention is provided with a first frequency band unit and a second frequency band unit on both the first surface and the second surface of the substrate, and has the characteristics of small size, large bandwidth and high directivity.

請一併參照第1圖至第3圖，第1圖係繪示本發明一實施方式之應用於5G毫米波的寬頻天線100之透視示意圖；第2圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100之第一表面112的示意圖；及第3圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100之第二表面114的示意圖。應用於5G毫米波的寬頻天線100包含基板110、第一天線120、第二天線130、阻抗匹配線段140及接地層150。基板110包含第一表面112及第二表面114。第二表面114與第一表面112反向。第一天線120包含二第一頻帶單元122。二第一頻帶單元122分別設置於第一表面112及第二表面114。第二天線130與第一天線120之間具有間隔，且包含二第二頻帶單元132。二第二頻帶單元132分別設置於第一表面112及第二表面114。阻抗匹配線段140設置於第一表面112，並電性連接設置於第一表面112之其中一第一頻帶單元122。接地層150設置於第二表面114，並電性連接設置於第二表面114之另一第一頻帶單元122。其中，當第一天線120工作時，第二天線130可視為一導向器(Director)；當第二天線130工作時，第一天線120可視為一反射器(Reflector)。藉此，本發明之應用於5G毫米波的寬頻天線100在基板110的第一表面112及第二表面114皆設置第一頻帶單元122及第二頻帶單元132，具有尺寸小、寬頻大及指向性高的特性。Please refer to Figures 1 to 3 together. Figure 1 is a schematic perspective view of a broadband antenna 100 applied to 5G millimeter waves according to an embodiment of the present invention; A schematic diagram of the first surface 112 of the broadband antenna 100 applied to 5G millimeter waves; and FIG. 3 is a schematic diagram of the second surface 114 of the broadband antenna 100 applied to 5G millimeter waves according to the embodiment shown in FIG. 1 . The broadband antenna 100 applied to 5G millimeter wave includes a substrate 110 , a first antenna 120 , a second antenna 130 , an impedance matching segment 140 and a ground layer 150 . The substrate 110 includes a first surface 112 and a second surface 114 . The second surface 114 is opposite to the first surface 112 . The first antenna 120 includes two first frequency band units 122 . The two first frequency band units 122 are respectively disposed on the first surface 112 and the second surface 114 . There is a gap between the second antenna 130 and the first antenna 120 , and includes two second frequency band units 132 . The two second frequency band units 132 are respectively disposed on the first surface 112 and the second surface 114 . The impedance matching line segment 140 is disposed on the first surface 112 and electrically connected to one of the first frequency band units 122 disposed on the first surface 112 . The ground layer 150 is disposed on the second surface 114 and is electrically connected to another first frequency band unit 122 disposed on the second surface 114 . Wherein, when the first antenna 120 is working, the second antenna 130 can be regarded as a director; when the second antenna 130 is working, the first antenna 120 can be regarded as a reflector. In this way, the broadband antenna 100 applied to 5G millimeter waves of the present invention is provided with a first frequency band unit 122 and a second frequency band unit 132 on both the first surface 112 and the second surface 114 of the substrate 110, and has the advantages of small size, large bandwidth and directivity. high sex characteristics.

具體而言，當第一天線120發射訊號時，第二天線130可視為第一天線120之導向器，增加第一天線120於z軸方向的指向性；當第二天線130輻射時，第一天線120可視為第二天線130之反射器，提高增益。藉此，本發明之應用於5G毫米波的寬頻天線100同時將第一天線120與第二天線130設置於基板110，不僅增加第一天線120及第二天線130之頻帶寬度，亦提升z軸方向的指向性及增益。Specifically, when the first antenna 120 transmits a signal, the second antenna 130 can be regarded as a director of the first antenna 120, increasing the directivity of the first antenna 120 in the z-axis direction; when the second antenna 130 When radiating, the first antenna 120 can be regarded as a reflector of the second antenna 130 to increase the gain. In this way, the broadband antenna 100 applied to 5G millimeter waves of the present invention simultaneously arranges the first antenna 120 and the second antenna 130 on the substrate 110, which not only increases the frequency bandwidth of the first antenna 120 and the second antenna 130, but also It also improves the directivity and gain in the z-axis direction.

由第1圖至第3圖可知，第1圖及第2圖之x軸方向(出紙面方向)與第3圖之x軸方向(入紙面方向)相反。二第一頻帶單元122分別對稱設置於第一表面112及第二表面114，且二第一頻帶單元122部分彼此相對。二第二頻帶單元132分別對稱設置於第一表面112及第二表面114，且二第二頻帶單元132部分彼此相對。由第2圖可知，第一表面112上設有其中一第一頻帶單元122、其中一第二頻帶單元132及阻抗匹配線段140。阻抗匹配線段140可為一梯形，梯形之平行y軸之相對短邊與第一頻帶單元122連接；梯形之平行y軸之相對長邊連接基板110之邊緣。由第3圖可知，第二表面114上設有另一第一頻帶單元122、另一第二頻帶單元132及接地層150。接地層150自基板110之邊緣向第一頻帶單元122延伸而形成一長方形線段。It can be seen from Figures 1 to 3 that the x-axis direction (direction of the paper exit surface) in Figures 1 and 2 is opposite to the x-axis direction (direction of the paper entry surface) of Figure 3. The two first frequency band units 122 are symmetrically disposed on the first surface 112 and the second surface 114 respectively, and the two first frequency band units 122 are partially opposite to each other. The two second frequency band units 132 are symmetrically disposed on the first surface 112 and the second surface 114 respectively, and the two second frequency band units 132 are partially opposite to each other. It can be seen from FIG. 2 that one of the first frequency band units 122 , one of the second frequency band units 132 and the impedance matching line segment 140 are disposed on the first surface 112 . The impedance matching line segment 140 can be a trapezoid, the opposite short side of the trapezoid parallel to the y-axis is connected to the first frequency band unit 122 ; the relatively long side of the trapezoid parallel to the y-axis is connected to the edge of the substrate 110 . It can be seen from FIG. 3 that another first frequency band unit 122 , another second frequency band unit 132 and a ground layer 150 are disposed on the second surface 114 . The ground layer 150 extends from the edge of the substrate 110 to the first frequency band unit 122 to form a rectangular line segment.

詳細地說，第一天線120可更包含第一饋入點124，第一饋入點124貫穿基板110，並連接接地層150及阻抗匹配線段140。第一饋入點124由阻抗匹配線段140之相對長邊之中線位置沿x軸方向貫穿基板110，並連接至第二表面114之相對於第一表面112之位置。設置於第二表面114之第一頻帶單元122可更包含第一線段a、第二線段b、第三線段c、第四線段d、第五線段e及平行框線段f。第二線段b之一端連接第一線段a。第三線段c平行第一線段a，並連接第二線段b之另一端。第四線段d平行第三線段c。第五線段e垂直連接第三線段c及第四線段d，如第3圖所示。平行框線段f包含二長線段f1及二寬線段f2，二長線段f1平行第二線段b；二寬線段f2平行第一線段a，二長線段f1及二寬線段f2連接並形成一平行四邊形。其中第一線段a、第二線段b及第四線段d之延伸線交會形成一空間，平行框線段f位於空間。In detail, the first antenna 120 may further include a first feeding point 124 , the first feeding point 124 penetrates the substrate 110 and connects the ground layer 150 and the impedance matching line segment 140 . The first feeding point 124 penetrates the substrate 110 along the x-axis direction from the midline position of the opposite long side of the impedance matching line segment 140 , and is connected to the position of the second surface 114 relative to the first surface 112 . The first frequency band unit 122 disposed on the second surface 114 may further include a first line segment a, a second line segment b, a third line segment c, a fourth line segment d, a fifth line segment e, and a parallel frame line segment f. One end of the second line segment b is connected to the first line segment a. The third line segment c is parallel to the first line segment a and connects the other end of the second line segment b. The fourth line segment d is parallel to the third line segment c. The fifth line segment e vertically connects the third line segment c and the fourth line segment d, as shown in FIG. 3 . The parallel frame line segment f includes two long line segments f1 and two wide line segments f2, the second long line segment f1 is parallel to the second line segment b; the second wide line segment f2 is parallel to the first line segment a, the second long line segment f1 and the second wide line segment f2 are connected to form a parallel quadrilateral. Wherein the extension lines of the first line segment a, the second line segment b and the fourth line segment d intersect to form a space, and the parallel frame line segment f is located in the space.

進一步來說，第一線段a之長度L a小於其中一第二頻帶單元132之長度L 132。其中一第二頻帶單元132之長度L 132小於第二線段b之長度L b。第二線段b之長度L b小於第五線段e之長度L e。第五線段e之長度L e小於第四線段d之長度L d。具體而言，基板110的尺寸可為10mm×8mm；長度L 132可為1.2mm；長度L a可為1.12mm；長度L b可為1.62mm；長度L d可為2mm；長度L e可為1.7mm，但本發明不以此為限。 Furthermore, the length L a of the first line segment a is smaller than the length L 132 of one of the second frequency band units 132 . The length L 132 of one of the second frequency band units 132 is smaller than the length L b of the second line segment b. The length L b of the second line segment b is smaller than the length L e of the fifth line segment e. The length L e of the fifth line segment e is smaller than the length L d of the fourth line segment d. Specifically, the size of the substrate 110 can be 10 mm×8 mm; the length L 132 can be 1.2 mm; the length L a can be 1.12 mm; the length L b can be 1.62 mm; the length L d can be 2 mm; 1.7mm, but the present invention is not limited thereto.

第二天線130可為平面式偶極天線。第二天線130可更包含第二饋入點134，第二饋入點134貫穿基板110，並連接二第二頻帶單元132。第二饋入點134沿x軸方向貫穿基板110並連接二第二頻帶單元132部分彼此相對之處。The second antenna 130 can be a planar dipole antenna. The second antenna 130 may further include a second feed point 134 , the second feed point 134 passes through the substrate 110 and connects to the two second frequency band units 132 . The second feeding point 134 penetrates through the substrate 110 along the x-axis direction and connects parts of the two second frequency band units 132 opposite to each other.

請配合參照第1圖至第4圖，第4圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100之迴路損失的量測示意圖。第一天線120之頻率為28GHz。第二天線130之頻率為39GHz。第一天線120之頻率應用範圍大於等於23.8GHz，且小於等於30.64GHz。第二天線130之頻率應用範圍大於等於35.94GHz，且小於等於45GHz。第二天線130較第一天線120遠離接地層150。具體而言，第一天線120可為28GHz天線；第二天線130可為39GHz天線，第一天線120及第二天線130之迴路損失可如第4圖所示。量測點m1及m2表示第一天線120之迴路損失為-10dB時的頻率；量測點m3表示第二天線130之迴路損失為-10dB時的頻率。由第4圖可知，第一天線120在頻率為23.8GHz~30.64GHz時，迴路損失小於-10dB。第二天線130在頻率為35.94GHz~45GHz時，迴路損失小於-10dB。藉此，本發明之應用於5G毫米波的寬頻天線100利用第一天線120之偶極天線結構(即第一頻帶單元122之第一線段a、第二線段b、第三線段c、第四線段d及第五線段e)耦合至平行框線段f產生低頻共振，且第二天線130之偶極天線結構(即第二頻帶單元132)產生高頻共振，以達成寬頻及高指向性效果，涵蓋5G毫米波28GHz與39GHz之全頻段，進而供NR頻段之頻率範圍FR2之頻段n257、n258、n259、n260及n261使用。Please refer to FIG. 1 to FIG. 4 in conjunction with FIG. 4 . FIG. 4 is a schematic diagram illustrating the measurement of the loop loss of the broadband antenna 100 applied to 5G millimeter waves according to the embodiment shown in FIG. 1 . The frequency of the first antenna 120 is 28 GHz. The frequency of the second antenna 130 is 39 GHz. The frequency application range of the first antenna 120 is greater than or equal to 23.8 GHz and less than or equal to 30.64 GHz. The frequency application range of the second antenna 130 is greater than or equal to 35.94 GHz and less than or equal to 45 GHz. The second antenna 130 is farther away from the ground layer 150 than the first antenna 120 . Specifically, the first antenna 120 can be a 28GHz antenna; the second antenna 130 can be a 39GHz antenna, and the loop losses of the first antenna 120 and the second antenna 130 can be shown in FIG. 4 . The measurement points m1 and m2 indicate the frequency when the loop loss of the first antenna 120 is -10 dB; the measurement point m3 indicates the frequency when the loop loss of the second antenna 130 is -10 dB. It can be seen from FIG. 4 that the loop loss of the first antenna 120 is less than -10 dB when the frequency is 23.8 GHz-30.64 GHz. When the frequency of the second antenna 130 is 35.94GHz-45GHz, the loop loss is less than -10dB. Thereby, the broadband antenna 100 applied to 5G millimeter wave of the present invention utilizes the dipole antenna structure of the first antenna 120 (that is, the first line segment a, the second line segment b, the third line segment c, The fourth line segment d and the fifth line segment e) are coupled to the parallel frame line segment f to generate low-frequency resonance, and the dipole antenna structure of the second antenna 130 (ie, the second frequency band unit 132) generates high-frequency resonance to achieve broadband and high directivity Sexual effects, covering the full frequency bands of 5G millimeter wave 28GHz and 39GHz, and then used for frequency bands n257, n258, n259, n260 and n261 of the frequency range FR2 of the NR frequency band.

請配合參照第1圖至第6圖，第5圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100之第一天線120之史密斯圖；及第6圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100之第二天線130之史密斯圖。第5圖及第6圖中的圓形曲線為電壓駐波比(Voltage Standing Wave Ratio；VSWR)小於等於2(即電壓駐波比≤2)的範圍。由第5圖可知，量測點m1及m2的電壓駐波比VSWR小於等於2；由第6圖可知，量測點m3的電壓駐波比VSWR小於等於2。Please refer to FIG. 1 to FIG. 6. FIG. 5 shows the Smith diagram of the first antenna 120 of the broadband antenna 100 applied to 5G millimeter wave according to the embodiment shown in FIG. 1; and FIG. 6 shows the The Smith chart of the second antenna 130 of the broadband antenna 100 applied to 5G millimeter waves according to the embodiment shown in FIG. 1 . The circular curves in FIG. 5 and FIG. 6 are the range where the VSWR (Voltage Standing Wave Ratio; VSWR) is less than or equal to 2 (ie, VSWR≤2). It can be seen from Figure 5 that the voltage standing wave ratio VSWR of the measurement points m1 and m2 is less than or equal to 2; it can be seen from Figure 6 that the voltage standing wave ratio VSWR of the measurement point m3 is less than or equal to 2.

請配合參照第1圖、第7圖及第8圖，第7圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100在操作頻率為28GHz時之電流分布示意圖；及第8圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線100在操作頻率為39GHz時之電流分布示意圖。由第7圖可知，當應用於5G毫米波的寬頻天線100之操作頻率為28GHz時，電流分布於第一饋入點124、阻抗匹配線段140、第一天線120及第二饋入點134。由第8圖可知，當應用於5G毫米波的寬頻天線100之操作頻率為39GHz時，電流分布於第二饋入點134、第二天線130及第一饋入點124。Please refer to Figure 1, Figure 7 and Figure 8 in conjunction. Figure 7 is a schematic diagram of the current distribution of the broadband antenna 100 applied to 5G millimeter waves according to the embodiment of Figure 1 when the operating frequency is 28 GHz; and Figure 1 FIG. 8 is a schematic diagram showing the current distribution of the broadband antenna 100 applied to 5G millimeter waves according to the embodiment in FIG. 1 when the operating frequency is 39 GHz. It can be seen from FIG. 7 that when the operating frequency of the broadband antenna 100 applied to 5G millimeter waves is 28 GHz, the current is distributed in the first feeding point 124 , the impedance matching line segment 140 , the first antenna 120 and the second feeding point 134 . It can be seen from FIG. 8 that when the operating frequency of the broadband antenna 100 applied to 5G millimeter wave is 39 GHz, the current is distributed in the second feeding point 134 , the second antenna 130 and the first feeding point 124 .

由上述實施方式可知，本發明具有下列優點：其一，本發明之應用於5G毫米波的寬頻天線在基板的第一表面及第二表面皆設置第一頻帶單元及第二頻帶單元，具有尺寸小、寬頻大及指向性高的特性；其二，本發明之應用於5G毫米波的寬頻天線同時將第一天線與第二天線設置於基板，不僅增加第一天線及第二天線之頻帶寬度，亦提升z軸方向的指向性及增益；其三，本發明之應用於5G毫米波的寬頻天線利用第一天線之偶極天線結構(即第一頻帶單元之第一線段、第二線段、第三線段、第四線段及第五線段)耦合至平行框線段產生低頻共振，且第二天線之偶極天線結構(即第二頻帶單元)產生高頻共振，以達成寬頻效果，涵蓋5G毫米波28GHz與39GHz之全頻段，進而供NR頻段之頻率範圍FR2之頻段n257、n258、n259、n260及n261使用。It can be seen from the above embodiments that the present invention has the following advantages: First, the broadband antenna applied to 5G millimeter waves of the present invention is provided with a first frequency band unit and a second frequency band unit on the first surface and the second surface of the substrate, and has a size The characteristics of small size, large bandwidth and high directivity; second, the broadband antenna applied to 5G millimeter waves of the present invention simultaneously installs the first antenna and the second antenna on the substrate, which not only increases the first antenna and the second antenna The frequency bandwidth of the line also improves the directivity and gain in the z-axis direction; third, the broadband antenna applied to 5G millimeter wave of the present invention utilizes the dipole antenna structure of the first antenna (that is, the first line of the first frequency band unit segment, the second line segment, the third line segment, the fourth line segment and the fifth line segment) are coupled to the parallel frame segment to generate low-frequency resonance, and the dipole antenna structure of the second antenna (ie, the second frequency band unit) generates high-frequency resonance to Broadband effects are achieved, covering the full frequency bands of 5G millimeter wave 28GHz and 39GHz, and then used for frequency bands n257, n258, n259, n260 and n261 of the frequency range FR2 of the NR frequency band.

雖然本發明已以實施方式揭露如上，然其並非用以限定本發明，任何熟習此技藝者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤飾，因此本發明之保護範圍當視後附之申請專利範圍所界定者為準。Although the present invention has been disclosed above in terms of implementation, it is not intended to limit the present invention. Anyone skilled in this art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be defined by the appended patent application scope.

100:寬頻天線 110:基板 112:第一表面 114:第二表面 120:第一天線 122:第一頻帶單元 124:第一饋入點 130:第二天線 132:第二頻帶單元 134:第二饋入點 140:阻抗匹配線段 150:接地層 a:第一線段 b:第二線段 c:第三線段 d:第四線段 e:第五線段 f:平行框線段 f1:長線段 f2:寬線段 m1,m2,m3:量測點 L 132,L a,L b,L d,L e:長度 100: broadband antenna 110: substrate 112: first surface 114: second surface 120: first antenna 122: first frequency band unit 124: first feed point 130: second antenna 132: second frequency band unit 134: Second feed point 140: impedance matching line segment 150: ground layer a: first line segment b: second line segment c: third line segment d: fourth line segment e: fifth line segment f: parallel frame line segment f1: long line segment f2 : wide line segments m1, m2, m3: measuring points L 132 , L a , L b , L d , L e : length

第1圖係繪示本發明一實施方式之應用於5G毫米波的寬頻天線之透視示意圖； 第2圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線之第一表面的示意圖； 第3圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線之第二表面的示意圖； 第4圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線之迴路損失的量測示意圖； 第5圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線之第一天線之史密斯圖； 第6圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線之第二天線之史密斯圖； 第7圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線在操作頻率為28GHz時之電流分布示意圖；及 第8圖係繪示依照第1圖實施方式之應用於5G毫米波的寬頻天線在操作頻率為39GHz時之電流分布示意圖。 Figure 1 is a schematic perspective view of a broadband antenna applied to 5G millimeter waves according to an embodiment of the present invention; Fig. 2 is a schematic diagram showing the first surface of the broadband antenna applied to 5G millimeter wave according to the embodiment in Fig. 1; Fig. 3 is a schematic diagram showing the second surface of the broadband antenna applied to 5G millimeter wave according to the embodiment in Fig. 1; Fig. 4 is a schematic diagram showing the measurement of the loop loss of the broadband antenna applied to 5G millimeter wave according to the embodiment in Fig. 1; Fig. 5 is a Smith chart of the first antenna of the broadband antenna applied to 5G millimeter waves according to the embodiment in Fig. 1; Fig. 6 shows the Smith diagram of the second antenna of the broadband antenna applied to 5G millimeter wave according to the embodiment in Fig. 1; Fig. 7 is a schematic diagram showing the current distribution of the broadband antenna applied to 5G millimeter wave when the operating frequency is 28 GHz according to the embodiment in Fig. 1; and FIG. 8 is a schematic diagram showing the current distribution of the broadband antenna applied to 5G millimeter wave according to the embodiment in FIG. 1 when the operating frequency is 39 GHz.

100:寬頻天線 100: Broadband antenna

110:基板 110: Substrate

120:第一天線 120:First antenna

122:第一頻帶單元 122: the first frequency band unit

124:第一饋入點 124: The first feed point

130:第二天線 130: second antenna

132:第二頻帶單元 132: second frequency band unit

134:第二饋入點 134: Second feed point

140:阻抗匹配線段 140: Impedance matching line segment

150:接地層 150: ground plane

Claims (10)

一種應用於5G毫米波的寬頻天線，包含： 一基板，包含： 一第一表面；及 一第二表面，其與該第一表面反向； 一第一天線，包含： 二第一頻帶單元，分別設置於該第一表面及該第二表面； 一第二天線，其與該第一天線之間具有一間隔且包含： 二第二頻帶單元，分別設置於該第一表面及該第二表面； 一阻抗匹配線段，設置於該第一表面，並電性連接設置於該第一表面之其中一該第一頻帶單元；以及 一接地層，設置於該第二表面，並電性連接設置於該第二表面之另一該第一頻帶單元； 其中，當該第一天線工作時，該第二天線視為一導向器；當該第二天線工作時，該第一天線視為一反射器。 A broadband antenna applied to 5G millimeter waves, comprising: A substrate, comprising: a first surface; and a second surface opposite to the first surface; a first antenna, comprising: Two first frequency band units are respectively arranged on the first surface and the second surface; a second antenna spaced apart from the first antenna and comprising: two second frequency band units, respectively arranged on the first surface and the second surface; an impedance matching line segment, disposed on the first surface, and electrically connected to one of the first frequency band units disposed on the first surface; and a ground layer, disposed on the second surface, and electrically connected to another first frequency band unit disposed on the second surface; Wherein, when the first antenna is working, the second antenna is regarded as a director; when the second antenna is working, the first antenna is regarded as a reflector. 如請求項1所述的應用於5G毫米波的寬頻天線，其中該第一頻帶單元更包含： 一第一線段； 一第二線段，該第二線段之一端連接該第一線段； 一第三線段，平行該第一線段，並連接該第二線段之另一端； 一第四線段，平行該第三線段； 一第五線段，垂直連接該第三線段及該第四線段；及 一平行框線段，包含二長線段及二寬線段，該二長線段平行該第二線段，該二寬線段平行該第一線段，該二長線段及該二寬線段連接並形成一平行四邊形； 其中，該第一線段、該第二線段及該第四線段之延伸線交會形成一空間，該平行框線段位於該空間。 The broadband antenna applied to 5G millimeter waves as described in claim 1, wherein the first frequency band unit further includes: a first line segment; a second line segment, one end of which is connected to the first line segment; a third line segment parallel to the first line segment and connecting the other end of the second line segment; a fourth line segment parallel to the third line segment; a fifth line segment perpendicularly connecting the third line segment and the fourth line segment; and A parallel frame line segment, including two long line segments and two wide line segments, the two long line segments are parallel to the second line segment, the two wide line segments are parallel to the first line segment, the two long line segments and the two wide line segments are connected to form a parallelogram ; Wherein, the extension lines of the first line segment, the second line segment and the fourth line segment intersect to form a space, and the parallel frame line segment is located in the space. 如請求項2所述的應用於5G毫米波的寬頻天線，其中， 該第一線段之長度小於其中一該第二頻帶單元之長度； 其中一該第二頻帶單元之長度小於該第二線段之長度； 該第二線段之長度小於該第五線段之長度；及 該第五線段之長度小於該第四線段之長度。 The broadband antenna applied to 5G millimeter wave as described in claim 2, wherein, The length of the first line segment is less than the length of one of the second frequency band units; The length of one of the second frequency band units is less than the length of the second line segment; the length of the second line segment is less than the length of the fifth line segment; and The length of the fifth line segment is less than the length of the fourth line segment. 如請求項1所述的應用於5G毫米波的寬頻天線，其中該第二天線為一平面式偶極天線。The broadband antenna applied to 5G millimeter wave according to claim 1, wherein the second antenna is a planar dipole antenna. 如請求項1所述的應用於5G毫米波的寬頻天線，其中， 該第一天線更包含： 一第一饋入點，貫穿該基板，並連接該接地層及該阻抗匹配線段；及 該第二天線更包含： 一第二饋入點，貫穿該基板，並連接該二第二頻帶單元。 The broadband antenna applied to 5G millimeter wave as described in claim 1, wherein, This first antenna further includes: a first feeding point, passing through the substrate, and connecting the ground layer and the impedance matching line segment; and This second antenna further includes: A second feeding point runs through the substrate and connects the two second frequency band units. 如請求項1所述的應用於5G毫米波的寬頻天線，其中， 該二第一頻帶單元分別對稱設置於該第一表面及該第二表面；及 該二第二頻帶單元分別對稱設置於該第一表面及該第二表面。 The broadband antenna applied to 5G millimeter wave as described in claim 1, wherein, The two first frequency band units are respectively symmetrically arranged on the first surface and the second surface; and The two second frequency band units are symmetrically arranged on the first surface and the second surface respectively. 如請求項1所述的應用於5G毫米波的寬頻天線，其中該二第一頻帶單元部分彼此相對，該二第二頻帶單元部分彼此相對。The broadband antenna applied to 5G millimeter wave according to claim 1, wherein the two first frequency band unit parts are opposite to each other, and the two second frequency band unit parts are opposite to each other. 如請求項1所述的應用於5G毫米波的寬頻天線，其中該第二天線較該第一天線遠離該接地層。The broadband antenna applied to 5G millimeter wave according to claim 1, wherein the second antenna is farther away from the ground layer than the first antenna. 如請求項1所述的應用於5G毫米波的寬頻天線，其中該第一天線之頻率為28GHz，該第二天線之頻率為39GHz。The broadband antenna applied to 5G millimeter wave as described in Claim 1, wherein the frequency of the first antenna is 28GHz, and the frequency of the second antenna is 39GHz. 如請求項9所述的應用於5G毫米波的寬頻天線，其中， 該第一天線之頻率應用範圍大於等於23.8GHz且小於等於30.64GHz；及 該第二天線之頻率應用範圍大於等於35.94GHz且小於等於45GHz。 The broadband antenna applied to 5G millimeter wave as described in claim 9, wherein, The frequency application range of the first antenna is greater than or equal to 23.8GHz and less than or equal to 30.64GHz; and The frequency application range of the second antenna is greater than or equal to 35.94GHz and less than or equal to 45GHz.
TW110145542A 2021-10-27 2021-12-06 Wide bandwidth antenna for 5g millimeter wave TWI774622B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111253891.8A CN113823907A (en) 2021-10-27 2021-10-27 Broadband antenna applied to 5G millimeter waves
CN202111253891.8 2021-10-27

Publications (2)

Publication Number Publication Date
TWI774622B TWI774622B (en) 2022-08-11
TW202318722A true TW202318722A (en) 2023-05-01

Family

ID=78917458

Family Applications (1)

Application Number Title Priority Date Filing Date
TW110145542A TWI774622B (en) 2021-10-27 2021-12-06 Wide bandwidth antenna for 5g millimeter wave

Country Status (2)

Country Link
CN (1) CN113823907A (en)
TW (1) TWI774622B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6342867B1 (en) * 2000-03-31 2002-01-29 Navcom Technology, Inc. Nested turnstile antenna
CN102208717B (en) * 2010-03-31 2014-03-12 宏达国际电子股份有限公司 Planar dual-direction radiating antenna
CN108232422B (en) * 2017-12-29 2019-12-06 维沃移动通信有限公司 Antenna and wireless mobile terminal
CN108288757B (en) * 2017-12-29 2020-02-07 维沃移动通信有限公司 Wireless mobile terminal and antenna
TWI682587B (en) * 2018-12-19 2020-01-11 國立交通大學 Miniature high-gain field-type reconfigurable antenna
CN213692328U (en) * 2020-11-03 2021-07-13 深圳光启尖端技术有限责任公司 Microstrip antenna
CN113451768B (en) * 2021-08-30 2021-11-26 广东健博通科技股份有限公司 5G ultra-wideband antenna unit and 5G ultra-wideband dual-polarized antenna
CN216055168U (en) * 2021-10-27 2022-03-15 环旭(深圳)电子科创有限公司 Broadband antenna applied to 5G millimeter waves

Also Published As

Publication number Publication date
CN113823907A (en) 2021-12-21
TWI774622B (en) 2022-08-11

Similar Documents

Publication Publication Date Title
TW552742B (en) An integrated antenna for laptop applications
US20040017315A1 (en) Dual-band antenna apparatus
TWI245454B (en) Low sidelobes dual band and broadband flat endfire antenna
TW200405613A (en) Broadband couple-fed planar antennas with coupled metal strips on the ground plane
US20080024366A1 (en) Dual band flat antenna
TW201433000A (en) Antenna assembly and wireless communication device employing same
KR101829816B1 (en) Tri-band Double-dipole quasi-Yagi antenna using Dual Co-directional SRRs
TW201524001A (en) Multi-band antenna structure
Suganthi et al. Design and analysis of rectangular microstrip patch antenna for GSM application
US9698480B2 (en) Small antenna apparatus operable in multiple frequency bands
JP7285484B2 (en) antenna device
US6977613B2 (en) High performance dual-patch antenna with fast impedance matching holes
TWI747538B (en) Antenna system
CN216055168U (en) Broadband antenna applied to 5G millimeter waves
TWI832645B (en) Power divider
JP2011160405A (en) Bipolar antenna
TW202318722A (en) Wide bandwidth antenna for 5g millimeter wave
KR20010088496A (en) A wideband monopole antenna
KR20180123804A (en) Ultra wideband planar antenna
KR101309238B1 (en) Spidron fractal antenna for multiband
TWI467853B (en) Dual band antenna and wireless communication device using the same
TW201301662A (en) Multi-band antenna and electronic apparatus having the same
TW202131551A (en) Antenna structure
US11239560B2 (en) Ultra wide band antenna
Zhang et al. Wideband omnidirectional printed dipole antenna with coupling feed for wireless communication applications