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WO2018032845A1 - 多系统共体天线 - Google Patents

多系统共体天线 Download PDF

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Publication number
WO2018032845A1
WO2018032845A1 PCT/CN2017/085504 CN2017085504W WO2018032845A1 WO 2018032845 A1 WO2018032845 A1 WO 2018032845A1 CN 2017085504 W CN2017085504 W CN 2017085504W WO 2018032845 A1 WO2018032845 A1 WO 2018032845A1
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WO
WIPO (PCT)
Prior art keywords
base station
station antenna
antenna
elements
array
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/085504
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English (en)
French (fr)
Inventor
孙善球
王强
李明超
黄立文
姜维维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Comba Telecom Technology Guangzhou Ltd
Tianjin Comba Telecom Systems Co Ltd
Comba Network Systems Co Ltd
Original Assignee
Comba Telecom Technology Guangzhou Ltd
Comba Telecom Systems China Ltd
Tianjin Comba Telecom Systems Co Ltd
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 Comba Telecom Technology Guangzhou Ltd, Comba Telecom Systems China Ltd, Tianjin Comba Telecom Systems Co Ltd filed Critical Comba Telecom Technology Guangzhou Ltd
Priority to EP17840821.7A priority Critical patent/EP3503300B1/en
Priority to BR112019003310-6A priority patent/BR112019003310B1/pt
Priority to US16/326,600 priority patent/US20200227812A1/en
Publication of WO2018032845A1 publication Critical patent/WO2018032845A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays

Definitions

  • the present invention relates to the field of communications, and in particular, to a multi-system common body antenna.
  • the multi-system common body antenna selected by the operator is usually effective in a smart antenna system (1880 ⁇ 1920MHz, 2010 ⁇ 2025MHz, 2575 ⁇ 2635MHz) and base station antenna system (880 ⁇ 960MHz, 1710 ⁇ 1880MHz) in a radome. integrated.
  • the commonly used antenna integration method is as shown in the patent CN 101465473 B (shown in FIG. 1 ), and the smart antenna array 1 and the base station antenna array 2 are mounted on the reflector 3, and the smart antenna array 1 is composed of four.
  • the column smart antenna elements 10 are constructed, and the base station antenna array 2 is composed of a row of four base station antenna elements 20.
  • the smart antenna array and the base station antenna array are vertically separated by a distance in the vertical direction shown in FIG.
  • the antenna can integrate the application functions of the smart antenna and the traditional base station antenna, realize the integration of the two antennas, reduce the difficulty of network planning and reduce the cost.
  • the selection range of the low frequency radiation array spacing is generally 250 mm to 300 mm
  • the selection range of the high frequency radiation array spacing is generally 105 mm to 115 mm
  • the length of the radome is The size is generally limited to 2 m or less, so the number of high frequency antenna elements and low frequency antenna elements is limited.
  • the antenna gain corresponding to the array antenna is also limited, so that a high-gain multi-system common body antenna cannot be realized in one radome.
  • the present invention provides the following technical solutions:
  • a multi-system common body antenna includes a reflector and a smart antenna array and a base station antenna array both mounted on the reflector; the smart antenna array is located at a lower end of the reflector, and includes a plurality of smart antenna sub-arrays, each The smart antenna sub-array is composed of a plurality of smart antenna array elements; the base station antenna array comprises a plurality of first base station antenna array elements and a second base station antenna array element, and the plurality of first base station antenna array elements are located An upper end of the reflector, the second base station antenna element is located at a lower end of the reflector and embedded in a gap of the plurality of smart antenna elements, and the plurality of smart antennas of the adjacent two smart antenna sub-arrays The array elements are located in it.
  • the smart antenna array comprises four columns of vertically arranged smart antenna sub-arrays.
  • a plurality of smart antenna elements of two adjacent smart antenna sub-arrays are arranged in parallel or in a misaligned arrangement.
  • the plurality of smart antenna elements of the adjacent two smart antenna sub-arrays surrounded by the second base station antenna element are arranged in a one-to-one correspondence.
  • the first base station antenna element and the second base station antenna element are both low frequency base station antenna elements
  • the base station antenna array further includes: the plurality of first base station antenna elements are disposed at the same end of the reflector a plurality of high frequency base station antenna elements, and the plurality of high frequency base station antenna elements are arranged longitudinally in parallel with the first base station antenna array, or the plurality of high frequency base station antenna elements and the first base station The antenna elements are arranged in a row.
  • the second base station antenna element is not in the same axial direction as the center of the first base station antenna element.
  • the first base station antenna element and the second base station antenna element are fed out in an unequal phase.
  • the low frequency base station antenna element operates at 880-960 MHz
  • the high frequency base station antenna element operates at 1710 to 1880 MHz
  • the smart antenna array operates at 1880-1920 MHz, 2010-2025 MHz, 2575-2635 MHz.
  • the first base station antenna element and the second base station antenna element are both low frequency base station antenna elements
  • the base station antenna array further includes: the plurality of first base station antenna elements are disposed at the same end of the reflector One or more high frequency base station antenna arrays composed of a plurality of high frequency base station antenna elements And the high frequency base station antenna array is arranged longitudinally in parallel with the first base station antenna element, or the high frequency base station antenna array and the first base station antenna element are arranged in a column.
  • the space enclosed by the plurality of smart antenna elements is similar to the space required by one of the second base station antenna elements.
  • the radiation structure of the base station antenna element is a ring, a rectangle or a polygon.
  • the smart antenna array and the base station antenna array are electrically or capacitively coupled to the reflector.
  • the second base station antenna element is installed near the first base station antenna element.
  • a multi-system common body antenna comprising: a reflective plate; and a smart antenna array and a base station antenna array both mounted on the reflective plate;
  • the smart antenna array is located at a lower end of the reflector, and includes a plurality of smart antenna sub-arrays, each of the smart antenna sub-arrays being composed of a plurality of smart antenna array elements;
  • the base station antenna array includes a plurality of first base station antenna arrays and a plurality of second base station antenna array elements, and the plurality of first base station antenna arrays are located at an upper end of the reflective board, and the plurality of second base station antenna arrays
  • the element is located at a lower end of the reflector and embedded in a gap of the plurality of smart antenna elements, and a plurality of the smart antenna elements of the plurality of non-adjacent smart antenna sub-arrays are enclosed therein.
  • the first base station antenna array and the second base station antenna array element are low frequency base station antenna array elements
  • the base station antenna array further includes one or the same end of the plurality of first base station antenna arrays disposed on the reflector a plurality of high frequency base station antenna arrays composed of a plurality of high frequency base station antenna elements, and the high frequency base station antenna arrays are arranged longitudinally in parallel with the first base station antenna array, or the high frequency base station antenna arrays and The first base station antenna array is arranged in a column.
  • the present invention sets the smart antenna array and the base station antenna array operating in different frequency bands at different ends of the reflector, and the array elements of at least one base station antenna array surround the array elements of the plurality of smart antenna arrays. Internally, by fully utilizing the gap between the antenna elements, one or more base station antenna elements are added while keeping the size of the radome and the reflector unchanged. And increase the gain of the antenna.
  • the design can not only utilize the space reasonably, but also ensure the embedded space.
  • the performance of the base station antenna array element is basically the same as that of the common base station antenna array element.
  • the smart antenna array and the base station antenna array of the present invention are respectively disposed at different ends of the reflector, only a few array elements of the smart antenna array are surrounded by the base station antenna elements of the smart antenna array, and have multiple intelligences.
  • the base station antenna array has less influence on it, and it is easier to obtain superior performance indicators.
  • FIG. 1 is a schematic structural view of a multi-system common body antenna related to a patent publication CN 101465473 B;
  • FIG. 2 is a schematic structural diagram of a multi-system common body antenna according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a multi-system common body antenna according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a three-system common-body antenna according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a four-system common-body antenna according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a five-system common-body antenna according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a six-system common-body antenna according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a seven-system common-body antenna according to an embodiment of the present invention.
  • the embodiment provides a multi-system common body antenna, including a reflector 3, and a smart antenna array 1 and a base station antenna array 2 both mounted on the reflector 3.
  • the smart antenna array 1 and the base station antenna array 2 respectively constitute a smart antenna and a base station antenna, thereby realizing an antenna common reflection plate of different systems (TD-LTE system and traditional cellular mobile system, such as GSM900MHz, CDMA800MHz) operating in different frequency bands.
  • the radome realizes multi-system common body design, which is beneficial to miniaturization of the antenna and saves installation space.
  • the reflector 3 serves as a common reflector of the smart antenna array 1 and the base station antenna array 2.
  • the smart antenna array 1 and the base station antenna array 2 are electrically connected to the reflector 3, respectively, preferably electrically or capacitively.
  • the smart antenna array 1 is located at a lower end of the reflector 3, and includes four smart antenna sub-arrays 11, 12, 13, and 14. Each smart antenna sub-array is vertically the same by four or more smart antenna elements. The axis is arranged in an array. In this embodiment, each smart antenna array includes 9 array elements.
  • the base station antenna array 2 includes at least two first base station antenna elements 21 and at least one second base station antenna element 20, and the first base station antenna element 21 is disposed at an upper end of the reflector 3, Two base station antenna elements 20 are disposed near the first base station antenna element 21 at the lower end of the reflector 3, and at least one of the second base station antenna elements 20 is embedded in the gap between the smart antenna elements, and the two columns are Two smart antenna elements (ie, four adjacent smart antenna elements) of the adjacent smart antenna sub-array are enclosed therein.
  • one of the second base station antenna elements 20 encloses four smart antenna elements 121, 122, 131, 132 of the middle two columns of smart antenna sub-arrays 12, 13.
  • a single second base station antenna element 20 is configured such that its required installation space is similar to the space occupied by the four smart antenna elements, such that one second base station antenna element 20 can have four smart antenna elements. Surrounded by it.
  • the smart antenna array 1 and the base station antenna array 2 are arranged at different ends of the reflector 3, and at least one second base station antenna element 20 enclosing a plurality of smart antenna elements therein,
  • the number of base station antenna array elements is increased without increasing the size of the radome and the reflector 3, thereby improving the gain of the base station antenna array, which is advantageous for the miniaturization design of the antenna.
  • the space occupied by the plurality of smart antenna array elements is similar to the space required by the single base station antenna element, the space can be reasonably utilized, and the base station antenna element (ie, the second base station antenna) embedded in the gap of the smart antenna array element can be ensured.
  • the performance of the array element 20 is basically the same as that of the ordinary base station antenna element (i.e., the first base station antenna element 21).
  • the second base station antenna element 20 embedded in the gap of the smart antenna array 1 is disposed close to the first base station antenna element 21, which is beneficial to both the base station antenna array and the embedded second base station antenna element 20 only.
  • the edge of each smart antenna sub-array has an impact on two or three antenna elements, and the overall impact of the performance of the smart antenna array 1 having more than eight elements per smart antenna sub-array is small.
  • the second base station antenna element as needed to enclose six or other numbers of smart antenna elements.
  • the smart antenna array elements of the middle two columns of smart antenna sub-arrays 12, 13 are arranged in parallel one another, and the smart antenna sub-arrays 11 and 14 on both sides and the smart antenna array of adjacent ones of the smart antenna sub-arrays 12, 13 are arranged in parallel.
  • the elements are misaligned or arranged in parallel.
  • the plurality of smart antenna elements of the adjacent two smart antenna sub-arrays surrounded by the second base station antenna element 20 are arranged in a one-to-one correspondence.
  • the second base station antenna element 20 and the first base station antenna element 21 are preferably low frequency base station antenna elements, and have the same radiation structure, and are all in a rectangular form.
  • the number of the second base station antenna elements 20 increases, the influence of the smart antenna array 1 is also aggravated. Therefore, those skilled in the art can appropriately set the second base station antenna array according to the gain requirements of the base station antenna and the smart antenna.
  • the number of yuan 20 In other words, in the present embodiment, the number of second base station antenna elements 20 embedded in the gaps of the plurality of array elements of the smart antenna array 1 is not limited to one.
  • the embodiment provides a multi-system common body antenna, and the main features are as follows:
  • the radiation structures of the second base station antenna element 22 and the first base station antenna element 23 are in the form of a ring. The rest is the same as the first embodiment.
  • the embodiment provides a multi-system common body antenna, and the main feature is that the base station antenna is in the form of a multi-frequency shared antenna, that is, the base station antenna array 2 further includes an antenna element with the first base station antenna.
  • 21 low-frequency base station antenna element
  • the high-frequency base station antenna element 200 is disposed on the left side of the first base station antenna element 21.
  • the first base station antenna element 21 and the second base station antenna element 20 operate at 880-960 MHz, and the high-frequency base station antenna element 200 operates at 1710 to 1880 MHz, and the two form a dual-frequency shared antenna.
  • the smart antenna array operates at 1880-1920 MHz, 2010-2025 MHz, and 2575-2635 MHz. The rest is the same as the first embodiment.
  • the high frequency base station antenna element 200 is added, and the center points of the first base station antenna element 21 and the second base station antenna element 20 are not in the same axial direction.
  • the first base station antenna element 21 and the second base station antenna element 20 are fed by an unequal phase, thereby making up for the first A spatially misaligned distribution of a base station antenna element 21 and a second base station antenna element 20.
  • the high frequency base station antenna element 200 may also be disposed on the right side of the first base station antenna element 21 or the plurality of high frequency base station antenna elements 200 and the first base station antenna element. 21 arranged in a column.
  • an embodiment of the present invention provides a multi-system common body antenna, wherein the first base station antenna element 21 is located on the right side of the reflector 3, and the second base station antenna element 20 is embedded on the right side. Within the gaps of the plurality of array elements of the two columns of smart antenna elements 13, 14. The rest is the same as the first embodiment.
  • the second base station antenna element 20 embeds four adjacent smart antenna elements 131, 132, 141, 142 therein, and four adjacent smart antenna elements 131, 132, 141 142 is evenly distributed in the two columns of smart antenna sub-arrays 13, 14 on the right.
  • the embodiment of the present invention provides a multi-system common body antenna, wherein the first base station antenna element 21 is located on the left side of the reflector 3, and the second base station antenna element 20 is embedded on the left side. Within the gaps of the plurality of array elements of the two columns of smart antenna sub-arrays 11, 12. The rest is the same as the first embodiment.
  • the second base station antenna element 20 embeds six adjacent smart antenna elements 111, 112, 113, 121, 122, 123 therein, and six adjacent smart antenna elements 111 , 112, 113, 121, 122, 123 are evenly distributed in the left two columns of smart antenna sub-arrays 11, 12.
  • the embodiment provides a multi-system common body antenna, and the main feature is that the base station antenna is in the form of a multi-frequency shared antenna, and can simultaneously support a dual-channel 900 MHz system, a four-channel 1800 MHz system, and eight channels.
  • the FA ⁇ D system that is, the base station antenna array 2 includes a plurality of high frequency base station antenna elements 201 disposed on the same axis and on the same axis as the first base station antenna element 21 (low frequency base station antenna element) and A plurality of high frequency base station antenna elements 200 on the left side of the first base station antenna element 21.
  • the plurality of high frequency base station elements 201 constitute a first high frequency base station array operable in the 1710-1880 MHz system.
  • a plurality of high frequency base station elements 200 form a second high frequency base station array operable in a 1710 - 1880 MHz system.
  • a plurality of first base station antenna elements 21 disposed at the upper end of the reflector 3 and at least one second base station antenna element 20 disposed at the lower end of the reflector 3 constitute a first low frequency base station array operable in the 880-960 MHz system.
  • the rest is the same as the third embodiment.
  • the first base station antenna array element is disposed on the left side or the right side of the reflective board end, and the effects are substantially the same.
  • the embodiment provides a multi-system common body antenna, and the main feature is that the base station antenna is in the form of a multi-frequency shared antenna, and can simultaneously support a four-channel 900 MHz system, a four-channel 1800 MHz system, and eight channels.
  • FA ⁇ D system that is, base station antenna array 2
  • a plurality of first base station antenna elements 23 on the left side of the upper end of the reflector 3 and at least one first base station antenna element 22 disposed on the left side of the lower end of the reflector 3 constitute a first low frequency base station array operable in the 880-960 MHz system. .
  • a plurality of first base station antenna elements 21 disposed on the right side of the upper end of the reflector 3 and at least one first base station antenna element 20 disposed on the right side of the lower end of the reflector 3 constitute a second low frequency operable in the 880-960 MHz system.
  • a plurality of high frequency base station antenna elements 200 disposed on the same axis as the first base station antenna element 23 constitute a first high frequency base station antenna array operable in a 1710 - 1880 MHz system.
  • the plurality of high-frequency base station antenna elements 201 disposed on the same axis as the first base station antenna element 21 constitute a second high-frequency base station antenna array that can operate in the 1710- 1880 MHz system, and the rest is the same as the sixth embodiment.
  • the second base station antenna element 20 embeds two adjacent smart antenna elements 141, 142 therein, and the second base station antenna element 22 has two adjacent smart antenna elements 111, 112 is embedded therein, and two adjacent smart antenna elements 141, 142 are distributed in the smart antenna sub-array 14, and two adjacent smart antenna elements 111, 112 are distributed in the smart antenna sub-array 11.
  • the first base station antenna element is disposed on the left side or the right side of the reflective board end, and the effect is substantially the same.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

本发明提供一种多系统共体天线，包括反射板以及均安装于所述反射板上智能天线阵列和基站天线阵列；智能天线阵列位于所述反射板下端，其包括多个智能天线子阵列，每个智能天线子阵列由多个智能天线阵元组成；基站天线阵列包括多个第一基站天线阵元和第二基站天线阵元，并且多个第一基站天线阵元位于所述反射板的上端，第二基站天线阵元嵌入多个智能天线阵元的间隙内，且将相邻两个智能天线子阵列的多个智能天线阵元围设于其内。通过至少一个第二基站天线阵元将多个智能天线阵元围在其内，充分利用了智能天线阵列的间隙，在不增大反射板尺寸情况下增加基站天线阵元的个数，进而提高天线增益的目的，有利于天线的小型化。

Description

多系统共体天线 技术领域
本发明涉及通信领域，尤其涉及一种多系统共体天线。
背景技术
随着移动通信网络制式的增多，多种通信制式并存，为了优化资源配置，节省站址和天馈资源，减小物业协调难度，降低投资成本，共站共址的系统共体天线逐渐成为运营商建网的首选。
目前，运营商选用的多系统共体天线通常是在一副天线罩内把智能天线系统(1880～1920MHz，2010～2025MHz，2575～2635MHz)和基站天线系统(880～960MHz，1710～1880MHz)有效集成。常用的天线集成方式如专利CN 101465473 B所给出的设计方案(如图1所示)，该方案将智能天线阵列1和基站天线阵列2装设在反射板3上，智能天线阵列1由四列智能天线阵元10构成，基站天线阵列2由一列四个基站天线阵元20构成。智能天线阵列和基站天线阵列在图1所示的垂直方向竖直相距一段距离。该天线能够综合智能天线和传统基站天线的应用功能，实现两种天线的集成化，减少网络规划难度并降低成本。
但是，由于为平衡增益和电下倾后的上旁瓣抑制等指标，低频段辐射阵列间距选择范围一般为250mm～300mm，高频段辐射阵列间距选择范围一般为105mm～115mm，而天线罩的长度尺寸一般被限定在2m以内，所以，高频天线阵元和低频天线阵元的个数都被受到限制。当阵列天线的阵元数量被限定，其阵列天线对应的天线增益也会受到限制，从而无法在一副天线罩内实现高增益的多系统共体天线。
发明内容
本发明的目的旨在提供一种在尺寸一定下增益较高的多系统共体天线。
为了解决上述问题，本发明提供以下技术方案：
一种多系统共体天线，包括反射板以及均安装于所述反射板上智能天线阵列和基站天线阵列；所述智能天线阵列位于所述反射板下端，其包括多个智能天线子阵列，每个所述智能天线子阵列由多个智能天线阵元组成；所述基站天线阵列包含多个第一基站天线阵元和第二基站天线阵元，并且所述多个第一基站天线阵元位于所述反射板的上端，所述第二基站天线阵元位于反射板下端并嵌入多个所述智能天线阵元的间隙内，且将相邻两个智能天线子阵列的多个所述智能天线阵元围设于其内。
优选地，所述智能天线阵列包含四列纵向并行排布的智能天线子阵列。
优选地，相邻两个所述智能天线子阵列的多个智能天线阵元之间平行排列或者错位排列。
优选地，被第二基站天线阵元围设于其内的相邻两个智能天线子阵列的多个智能天线阵元之间一一对应平齐排列。
进一步地，所述第一基站天线阵元和第二基站天线阵元均为低频基站天线阵元，所述基站天线阵列还包括与所述多个第一基站天线阵元设于反射板同一端的多个高频基站天线阵元，并且所述多个高频基站天线阵元与所述第一基站天线阵列纵向并行排布，或者所述多个高频基站天线阵元与所述第一基站天线阵元在一列上排布。
优选地，所述第二基站天线阵元与第一基站天线阵元的中心不在同一轴向上。
优选地，所述第一基站天线阵元和第二基站天线阵元之间不等相馈电。
优选地，所述低频基站天线阵元工作于880-960MHz，所述高频基站天线阵元工作于1710-1880MHz，所述智能天线阵列工作于1880-1920MHz、2010-2025MHz、2575-2635MHz。
优选地，所述第一基站天线阵元和第二基站天线阵元均为低频基站天线阵元，所述基站天线阵列还包括与所述多个第一基站天线阵元设于反射板同一端的一个或多个由多个高频基站天线阵元组成的高频基站天线阵 列，并且所述高频基站天线阵列与所述第一基站天线阵元纵向并行排布，或者所述高频基站天线阵列与所述第一基站天线阵元在一列上排布。
优选地，多个所述智能天线阵元所围成的空间与一个所述第二基站天线阵元所需的空间相近。
优选地，所述基站天线阵元的辐射结构为圆环、矩形或者多边形。
优选地，所述智能天线阵列和所述基站天线阵列与所述反射板导电连接或电容耦合连接。
优选地，所述第二基站天线阵元在靠近所述第一基站天线阵元处安装。
一种多系统共体天线，其特征在于，包括反射板以及均安装于所述反射板上智能天线阵列和基站天线阵列；
所述智能天线阵列位于所述反射板下端，其包括多个智能天线子阵列，每个所述智能天线子阵列由多个智能天线阵元组成；
所述基站天线阵列包含多个第一基站天线阵列和多个第二基站天线阵元，并且所述多个第一基站天线阵列位于所述反射板的上端，所述多个第二基站天线阵元位于反射板下端并嵌入多个所述智能天线阵元的间隙内，且将多个不相邻智能天线子阵列的多个所述智能天线阵元围设于其内。
优选地，所述第一基站天线阵列和第二基站天线阵元均为低频基站天线阵元，所述基站天线阵列还包括与所述多个第一基站天线阵列设于反射板同一端的一个或多个由多个高频基站天线阵元组成的高频基站天线阵列，并且所述高频基站天线阵列与所述第一基站天线阵列纵向并行排布，或者所述高频基站天线阵列与所述第一基站天线阵列在一列上排布。
本发明的方案具有以下优点：
1、本发明通过将工作于不同频段的智能天线阵列和基站天线阵列分别设于反射板不同的两端，并且至少一个基站天线阵列的阵元将多个智能天线阵列的阵元围设于其内，通过充分合理利用天线阵元间的间隙，在保持天线罩和反射板尺寸不变的情况下，增加一个或多个基站天线阵元，从 而提高天线的增益。
2、在本发明的多系统共体天线中，由于多个智能天线阵元所占空间大小与单个基站天线阵元所需空间大小相近，该种设计既能合理利用空间，又能保证嵌入的基站天线阵元性能与普通的基站天线阵元的性能基本一致。
3、由于本发明的智能天线阵列和基站天线阵列分别设于反射板不同的两端，仅有少数智能天线阵列的阵元被靠近智能天线阵列的基站天线阵元所包围，对于具有多个智能天线阵元的智能天线阵列来说，基站天线阵列对其影响较小，更易获取优越的性能指标。
本发明附加的方面和优点将在下面的描述中部分给出，这些将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明上述的和/或附加的方面和优点从下面结合附图对实施例的描述中将变得明显和容易理解，其中：
图1为中国CN 101465473 B号专利公告涉及的一种多系统共体天线的结构示意图；
图2为本发明实施例一多系统共体天线的结构示意图；
图3为本发明实施例二多系统共体天线的结构示意图；
图4为本发明实施例三多系统共体天线的结构示意图；
图5为本发明实施例四多系统共体天线的结构示意图；
图6为本发明实施例五多系统共体天线的结构示意图；
图7为本发明实施例六多系统共体天线的结构示意图；
图8为本发明实施例七多系统共体天线的结构示意图。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似 功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。
实施例一
如图2所示，本实施例提供一种多系统共体天线，包括反射板3，以及均安装于反射板3上的智能天线阵列1和基站天线阵列2。其中，智能天线阵列1、基站天线阵列2分别组成智能天线和基站天线，从而实现了工作于不同频段的不同系统(TD-LTE系统和传统蜂窝移动系统，比如GSM900MHz、CDMA800MHz)的天线共用反射板及天线罩，实现了多系统共体设计，有利于天线小型化，节省安装空间。
所述反射板3作为智能天线阵列1和基站天线阵列2的共同反射器，所述智能天线阵列1和基站天线阵列2分别与反射板3电连接，优选为导电连接或者电容耦合连接。
所述智能天线阵列1位于所述反射板3的下端，其包括四个智能天线子阵列11、12、13、14，每个智能天线子阵列由四个或四个以上智能天线阵元纵向同一轴线排列组成。本实施例中每个智能天线阵列包含9个阵元。
所述基站天线阵列2包括至少两个第一基站天线阵元21和至少一个第二基站天线阵元20，所述第一基站天线阵元21设于所述反射板3的上端，所述第二基站天线阵元20靠近所述第一基站天线阵元21设置在反射板3下端，并且至少一个所述第二基站天线阵元20嵌入智能天线阵元间的间隙内，并将两列相邻的智能天线子阵列的各两个智能天线阵元(即四个相邻的智能天线阵元)围设于其内。在本实施例中，一个所述第二基站天线阵元20将中间两列智能天线子阵列12、13的四个智能天线阵元121、122、131、132围在其内。
为此，单个第二基站天线阵元20被配置成其所需的安装空间与四个智能天线阵元共同占用的空间相近，使得一个第二基站天线阵元20可以将四个智能天线阵元围设于其内。
通过将智能天线阵列1和基站天线阵列2设在反射板3的不同端，并且至少一个第二基站天线阵元20将多个智能天线阵元围在其内，通过有 效利用智能天线阵元间的间隙，在不增加天线罩和反射板3尺寸的基础上增加基站天线阵元的个数，从而提高基站天线阵列的增益，有利于天线的小型化设计。
由于多个智能天线阵元所占空间大小与单个基站天线阵元所需空间大小相近，既能合理利用空间，又能保证嵌入智能天线阵元间隙中的基站天线阵元(即第二基站天线阵元20)性能与普通的基站天线阵元(即第一基站天线阵元21)的性能基本一致。
另外，嵌入智能天线阵列1间隙内的第二基站天线阵元20靠近第一基站天线阵元21设置，既有利于基站天线的组阵，又能保证嵌入的第二基站天线阵元20只对每个智能天线子阵列的最边沿两个或三个天线阵元产生影响，而对每个智能天线子阵列具有八个以上阵元的智能天线阵列1性能的整体影响较小。
在其他实施方式中，本领域技术人员可根据需要将第二基站天线阵元配置成可以将六个或其他数目的智能天线阵元围在其内。
优选地，中间两列智能天线子阵列12、13的智能天线阵元一一对应平行排列，而两侧的智能天线子阵列11、14与相邻一个智能天线子阵列12、13的智能天线阵元错位或平行排列。
优选地，被第二基站天线阵元20围设于其内的相邻两个智能天线子阵列的多个智能天线阵元之间一一对应平齐排列。
在本发明的多系统共体天线中，第二基站天线阵元20和第一基站天线阵元21优选为低频基站天线阵元，其辐射结构相同，均为矩形形式。
随着第二基站天线阵元20个数的增加，智能天线阵列1受到的影响也会加重，因此，本领域技术人员可根据基站天线和智能天线的增益需求，来适当设置第二基站天线阵元20的个数。换言之，在本实施例中，嵌入在智能天线阵列1的多个阵元的间隙内的第二基站天线阵元20的个数不局限于一个。
实施例二
如图3所示，本实施例提供一种多系统共体天线，其主要特点在于： 所述第二基站天线阵元22和所述第一基站天线阵元23的辐射结构采用圆环形式。其余同实施例一。
实施例三
如图4所示，本实施例提供一种多系统共体天线，其主要特点在于：基站天线采用的是多频共用天线的形式，即，基站天线阵列2还包括与第一基站天线阵元21(低频基站天线阵元)设于反射板3同一端的多个高频基站天线阵元200，并且所述高频基站天线阵元200设于所述第一基站天线阵元21的左侧。其中，所述第一基站天线阵元21、第二基站天线阵元20工作于880-960MHz，高频基站天线阵元200工作于1710-1880MHz，二者组成双频共用天线。所述智能天线阵列工作于1880-1920MHz、2010-2025MHz、2575-2635MHz。其余同实施例一。
在本实施例中，增加了高频基站天线阵元200，第一基站天线阵元21和第二基站天线阵元20的中心点不在同一轴向上。为了不影响第一基站天线阵元21和第二基站天线阵元20的组阵，将第一基站天线阵元21和第二基站天线阵元20采用不等相的馈电方式，从而弥补第一基站天线阵元21和第二基站天线阵元20空间上的错位分布。
在其他实施方式中，所述高频基站天线阵元200也可设于第一基站天线阵元21的右侧或者所述多个高频基站天线阵元200与所述第一基站天线阵元21在一列上排布。
实施例四
如图5所示，本发明实施例提供一种多系统共体天线，其主要特点在于：所述第一基站天线阵元21位于反射板3右侧，第二基站天线阵元20嵌于右边两列智能天线阵元13、14的多个阵元的间隙内。其余同实施例一。
在本实施例中，第二基站天线阵元20将四个相邻的智能天线阵元131、132、141、142嵌于其内，且四个相邻的智能天线阵元131、132、141、142平均分布在右边两列智能天线子阵列13、14中。
实施例五
如图6所示，本发明实施例提供一种多系统共体天线，其主要特点在于：所述第一基站天线阵元21位于反射板3左侧，第二基站天线阵元20嵌于左边两列智能天线子阵列11、12的多个阵元的间隙内。其余同实施例一。
在本实施例中，第二基站天线阵元20将六个相邻的智能天线阵元111、112、113、121、122、123嵌于其内，且六个相邻的智能天线阵元111、112、113、121、122、123平均分布在左边两列智能天线子阵列11、12中。
实施例六
如图7所示，本实施例提供一种多系统共体天线，其主要特点在于：基站天线采用的是多频共用天线的形式，可以同时支持双通道900MHz系统、四通道1800MHz系统和八通道FA\D系统，即基站天线阵列2包括与第一基站天线阵元21(低频基站天线阵元)设于反射板3同一端、同一轴线上的多个高频基站天线阵元201和设于第一基站天线阵元21左侧的多个高频基站天线阵元200。其中，多个高频基站阵元201构成可工作于1710-1880MHz系统的第一高频基站阵列。多个高频基站阵元200构成可工作于1710-1880MHz系统的第二高频基站阵列。设于反射板3上端的多个第一基站天线阵元21和设于反射板3下端的至少一个第二基站天线阵元20构成可工作于880-960MHz系统的第一低频基站阵列。其余同实施例三。本实施例中，所述第一基站天线阵元设置于反射板上端左侧或右侧，效果实质相同。
实施例七
如图8所示，本实施例提供一种多系统共体天线，其主要特点在于：基站天线采用的是多频共用天线的形式，可以同时支持四通道900MHz系统、四通道1800MHz系统和八通道FA\D系统，即基站天线阵列2由设 于反射板3上端左侧的多个第一基站天线阵元23和至少一个设于反射板3下端左侧的第一基站天线阵元22构成可工作于880-960MHz系统的第一低频基站阵列。由设于反射板3上端右侧的多个第一基站天线阵元21和至少一个设于反射板3下端右侧的第一基站天线阵元20构成可工作于880-960MHz系统的第二低频基站阵列。由设于与第一基站天线阵元23同一轴线的多个高频基站天线阵元200构成可工作于1710-1880MHz系统的第一高频基站天线阵列。由设于与第一基站天线阵元21同一轴线的多个高频基站天线阵元201构成可工作于1710-1880MHz系统的第二高频基站天线阵列组成，其余同实施例六。
在本实施例中，第二基站天线阵元20将两个相邻的智能天线阵元141、142嵌于其内，第二基站天线阵元22将两个相邻的智能天线阵元111、112嵌于其内，且两个相邻智能天线阵元141、142分布在智能天线子阵列14中，两个相邻智能天线阵元111、112分布在智能天线子阵列11中。
以上所有实施例中，所述第一基站天线阵元设置于反射板上端左侧或右侧，效果实质相同。
以上所述仅是本发明的部分实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (15)

  1. 一种多系统共体天线，其特征在于，包括反射板以及均安装于所述反射板上智能天线阵列和基站天线阵列；
    所述智能天线阵列位于所述反射板下端，其包括多个智能天线子阵列，每个所述智能天线子阵列由多个智能天线阵元组成；
    所述基站天线阵列包含多个第一基站天线阵元和多个第二基站天线阵元，并且所述多个第一基站天线阵元位于所述反射板的上端，所述第二基站天线阵元位于反射板下端并嵌入多个所述智能天线阵元的间隙内，且将相邻两个智能天线子阵列的多个所述智能天线阵元围设于其内。
  2. 根据权利要求1所述的多系统共体天线，其特征在于，所述智能天线阵列包含四列纵向并行排布的智能天线子阵列。
  3. 根据权利要求2所述的多系统共体天线，其特征在于，相邻两个所述智能天线子阵列的多个智能天线阵元之间平行排列或者错位排列。
  4. 根据权利要求1所述的多系统共体天线，其特征在于，被第二基站天线阵元围设于其内的相邻两个智能天线子阵列的多个智能天线阵元之间一一对应平齐排列。
  5. 根据权利要求1所述的多系统共体天线，其特征在于，所述第一基站天线阵元和第二基站天线阵元均为低频基站天线阵元，所述基站天线阵列还包括与所述多个第一基站天线阵元设于反射板同一端的多个高频基站天线阵元，并且所述多个高频基站天线阵元与所述多个第一基站天线阵元纵向并行排布，或者所述多个高频基站天线阵元与所述第一基站天线阵元在同一轴线上排布。
  6. 根据权利要求5所述的多系统共体天线，其特征在于，所述第二基站天线阵元与第一基站天线阵元的中心不在同一轴向上。
  7. 根据权利要求6所述的多系统共体天线，其特征在于，所述第一基站天线阵元和第二基站天线阵元之间不等相馈电。
  8. 根据权利要求5所述的多系统共体天线，其特征在于，所述低频基站天线阵元工作于880-960MHz，所述高频基站天线阵元工作于 1710-1880MHz，所述智能天线阵列工作于1880-1920MHz、2010-2025MHz、2575-2635MHz。
  9. 根据权利要求1所述的多系统共体天线，其特征在于，所述第一基站天线阵元和第二基站天线阵元均为低频基站天线阵元，所述基站天线阵列还包括与所述多个第一基站天线阵元设于反射板同一端的一个或多个由多个高频基站天线阵元组成的高频基站天线阵列，并且所述高频基站天线阵列与所述多个第一基站天线阵元纵向并行排布，或者所述高频基站天线阵列与所述多个第一基站天线阵元在同一轴线上排布。
  10. 根据权利要求1所述的多系统共体天线，其特征在于，多个所述智能天线阵元所围成的空间与一个所述第二基站天线阵元所需的空间相近。
  11. 根据权利要求1所述的多系统共体天线，其特征在于，所述基站天线阵元的辐射结构为圆环、矩形或者多边形。
  12. 根据权利要求1所述的多系统共体天线，其特征在于，所述智能天线阵列和所述基站天线阵列与所述反射板导电连接或电容耦合连接。
  13. 根据权利要求1所述的多系统共体天线，其特征在于，所述第二基站天线阵元在靠近所述第一基站天线阵元处安装。
  14. 一种多系统共体天线，其特征在于，包括反射板以及均安装于所述反射板上智能天线阵列和基站天线阵列；
    所述智能天线阵列位于所述反射板下端，其包括多个智能天线子阵列，每个所述智能天线子阵列由多个智能天线阵元组成；
    所述基站天线阵列包含多个基站天线子阵列，所述基站天线子阵列包括多个第一基站天线阵元和多个第二基站天线阵元，并且所述多个第一基站天线阵元位于所述反射板的上端，所述多个第二基站天线阵元位于反射板下端并嵌入多个所述智能天线阵元的间隙内，且将多个不相邻智能天线子阵列的多个所述智能天线阵元围设于其内。
  15. 根据权利要求14所述的多系统共体天线，其特征在于，所述第一基站天线阵元和第二基站天线阵元均为低频基站天线阵元，所述基站天线阵列还包括与所述多个第一基站天线阵元设于反射板同一端的一个或多 个由多个高频基站天线阵元组成的高频基站天线阵列，并且所述高频基站天线阵列与所述多个第一基站天线阵元纵向并行排布，或者所述高频基站天线阵列与所述多个第一基站天线阵元在同一轴线上排布。
PCT/CN2017/085504 2016-08-18 2017-05-23 多系统共体天线 Ceased WO2018032845A1 (zh)

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