CN114465022B - Dual antenna module for fifth generation mobile communication technology - Google Patents
Dual antenna module for fifth generation mobile communication technology Download PDFInfo
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- CN114465022B CN114465022B CN202210121133.9A CN202210121133A CN114465022B CN 114465022 B CN114465022 B CN 114465022B CN 202210121133 A CN202210121133 A CN 202210121133A CN 114465022 B CN114465022 B CN 114465022B
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- radiator
- frequency band
- coupling
- mobile communication
- antenna module
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- 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
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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
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
本发明公开了一种双天线模块，包括基底、第一天线及第二天线。第一天线具有第一馈入端、第一辐射体、第二辐射体及第一耦合辐射体，第一馈入端连接第一辐射体与第二辐射体，第一辐射体成U字型，其第一部与第二辐射体朝相反方向延伸，第二辐射体的第二末端靠近第二部的第一末端。第一耦合辐射体具有第一接地部、第一连接部与第一耦合部，第一耦合部靠近第一末端与第二末端以耦合能量。第二天线具有第二馈入端、第三辐射体与第二耦合辐射体，第二耦合辐射体具有第二接地部、第二连接部与第二耦合部，第二连接部连接于第二接地部与第二耦合部之间，第二耦合部靠近第三辐射体的第三末端以耦合能量。如此，达到第五代移动通信技术的多频操作。
The present invention discloses a dual antenna module, including a substrate, a first antenna and a second antenna. The first antenna has a first feeding end, a first radiator, a second radiator and a first coupling radiator, the first feeding end connects the first radiator and the second radiator, the first radiator is U-shaped, the first part and the second radiator extend in opposite directions, and the second end of the second radiator is close to the first end of the second part. The first coupling radiator has a first grounding part, a first connecting part and a first coupling part, and the first coupling part is close to the first end and the second end to couple energy. The second antenna has a second feeding end, a third radiator and a second coupling radiator, the second coupling radiator has a second grounding part, a second connecting part and a second coupling part, the second connecting part is connected between the second grounding part and the second coupling part, and the second coupling part is close to the third end of the third radiator to couple energy. In this way, multi-frequency operation of the fifth generation mobile communication technology is achieved.
Description
Technical Field
The present invention relates to an antenna, and more particularly, to a dual antenna module for a fifth generation mobile communication technology.
Background
The notebook computer has the advantages of gradually strong performance, convenient data processing and irreplaceable efficiency compared with the smart phone. Since current smartphones have been able to use larger wireless transmission rates (4G and 5G), notebook computers are also required to have wider wireless transmission capabilities.
Common wireless communication technologies for existing mobile devices are included in the category of Wireless Local Area Networks (WLANs) and Wireless Wide Area Networks (WWANs). The wireless local area network is a requisite wireless specification of the existing notebook computer, the wireless wide area network comprises 2G, 3G, 4G LTE and 5G, and the antenna operation bandwidth is further increased under the condition that the notebook computer brand manufacturer uses the performance specification of 5G.
However, existing designs have been very demanding for isolation where the antenna module is required for Multiple Input Multiple Output (MIMO) without including the 5G sub-6 band, and create great design difficulties for the concealed antenna, and increasing bandwidth and maintaining isolation requirements with maintaining the same limitations of antenna size if the 5G sub-6 band is added newly is a serious challenge.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a double-antenna module for a fifth generation mobile communication technology, which further improves the disassembly and replacement efficiency of the graphite boat clamping point.
The technical scheme of the invention is as follows, a double-antenna module for a fifth generation mobile communication technology is characterized by comprising:
A substrate;
A first antenna arranged on the substrate and having a first feed-in end, a first radiator, a second radiator and a first coupling radiator, wherein the first feed-in end connects the first radiator and the second radiator, the first radiator has a first part and a second part, the first part and the second part are connected with each other to form a U-shape, the first part and the second radiator extend in opposite directions, the second part has a first end, the second radiator has a second end, the second end of the second radiator is close to the first end, the first coupling radiator has a first grounding part, a first connecting part and a first coupling part, the first connecting part is connected between the first grounding part and the first coupling part, the first coupling part is close to the first end and the second end to couple energy, and
The second antenna is arranged on the substrate and is provided with a second feed-in end, a third radiator and a second coupling radiator, the second feed-in end is connected with the third radiator, the second coupling radiator is provided with a second grounding part, a second connecting part and a second coupling part, the second connecting part is connected between the second grounding part and the second coupling part, and the second coupling part is close to the third tail end of the third radiator to couple energy.
Further, the dual-antenna module comprises a first coaxial cable and a second coaxial cable, wherein a center conductor of the first coaxial cable is connected with the first feed-in end, an outer conductor of the first coaxial cable is connected with the first grounding part, a center conductor of the second coaxial cable is connected with the second feed-in end, and an outer conductor of the second coaxial cable is connected with the second grounding part.
Further, the first feeding end is located between the first grounding portion and the second grounding portion, and the second grounding portion is located between the first feeding end and the second feeding end.
Further, the first coupled radiator operates in a first low frequency band, the first radiator operates in a second low frequency band, and the second low frequency band has a frequency higher than the first low frequency band.
Further, the second radiator operates in a first high frequency band and a second high frequency band, the second high frequency band being a high order resonant frequency of the first high frequency band.
Further, the U-shape of the first radiator enables the first radiator to operate in a third high frequency band, and the frequency of the third high frequency band is higher than that of the second high frequency band.
Further, the first low frequency band and the second low frequency band together cover a frequency range of 699MHz to 960 MHz.
Further, the first high frequency band encompasses a frequency range of 1710MHz to 1990 MHz.
Further, the operating frequency of the second antenna covers a frequency range of 1710MHz to 4700 MHz.
Further, the third high frequency band encompasses a frequency range of 5100MHz-5900 MHz.
Compared with the prior art, the invention has the advantages that:
Compared with the traditional antenna, the antenna module has more available frequency bands, can simultaneously meet the specifications of a wireless local area network, a wireless wide area network and multiple input and multiple output functions by only using double antennas, can be simultaneously suitable for the 5G sub-6 frequency bands of the fifth generation mobile communication technology, achieves the effects of reducing the number of antennas and reducing the occupied space of the antennas, and has high industrial application value.
Drawings
Fig. 1 is a schematic perspective view of a dual antenna module for a fifth generation mobile communication technology according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a front view of a dual-antenna module for a fifth-generation mobile communication technology according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a rear view of a dual-antenna module for a fifth-generation mobile communication technology according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of an upper view of a dual-antenna module for a fifth generation mobile communication technology according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a lower view of a dual antenna module for a fifth generation mobile communication technology according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a dual-antenna module for a fifth generation mobile communication technology according to an embodiment of the present invention fed with two coaxial cables.
Fig. 7 is a SWR diagram of a first antenna according to an embodiment of the present invention.
Fig. 8 is a SWR diagram of a second antenna according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated, but is not limited, by the following examples.
Referring to fig. 1 to 5, the present embodiment provides a dual-antenna module for a fifth generation mobile communication technology, which includes a substrate 10, a first antenna 1 and a second antenna 2. The shape of the substrate 10 in the figures is suitable for illustration, for example, but not limited to, a structural design whose shape is intended to fit the assembly. The dual antenna module is implemented by, for example, a laser engraving process, but not limited to, this. The first antenna 1 is disposed on a substrate 10, and has a first feeding end 101, a first radiator 11, a second radiator 12, and a first coupling radiator 13, wherein the first feeding end 101 is connected to the first radiator 11 and the second radiator 12, the first radiator 11 has a first portion 111 and a second portion 112, and the first portion 111 and the second portion 112 are connected to each other to form a U-shape. The first portion 111 and the second radiator 12 extend in opposite directions, the second portion 112 has a first end 112a, the second radiator 12 has a second end 12a, and the second end 12a of the second radiator 12 is close to the first end 112a. The first feeding end 101, the first radiator 11 and the second radiator 12 can be seen in the front view of fig. 2 and the perspective view of fig. 1, and it can be seen that the first feeding end 101, the first radiator 11 and the second radiator 12 can be located on substantially the same plane (front) of the substrate 10, but not limited thereto.
Referring to fig. 1 to 5, the first coupling radiator 13 has a first ground portion 131, a first connection portion 132, and a first coupling portion 133, the first connection portion 132 is connected between the first ground portion 131 and the first coupling portion 133, and the first coupling portion 133 is adjacent to the first end 112a and the second end 12a to couple energy. In detail, the first coupling radiator starts from the lower view (the first grounding portion 131) of fig. 5, extends to the rear view (the first connecting portion 132, the first coupling portion 133) of fig. 3, and the first coupling portion 133 further extends to the upper view of fig. 4, so that the front view of fig. 1. It can be seen that the first coupling portions 13 are distributed on four sides of the substrate 10 to form a longer extension path, and obtain the energy fed by the rf signal in a coupling manner.
The second antenna 2 is disposed on the substrate 10, and has a second feeding end 201, a third radiator 21 and a second coupling radiator 22, the second feeding end 201 is connected to the third radiator 21, the second coupling radiator 22 has a second grounding portion 221, a second connecting portion 222 and a second coupling portion 223, the second connecting portion 222 is connected between the second grounding portion 221 and the second coupling portion 223, and the second coupling portion 223 is close to the third end 21a of the third radiator 21 to couple energy. The second antenna 2 of the present embodiment is mainly located on the same surface (front surface) of the substrate 10 except for the feeding and grounding portions, and the main portion of the second feeding end 201 and the second grounding portion 221 are located on the other surface (see the lower view of fig. 5), but the present invention is not limited thereto.
Further, referring to fig. 6, the dual-antenna module further includes a first coaxial cable 3 and a second coaxial cable 4, a center conductor 31 of the first coaxial cable 3 is connected to the first feeding end 101, and an outer conductor 32 of the first coaxial cable 3 is connected to the first grounding portion 131. In other words, in practice, the first radiator 12 and the second radiator 13 are fed by the central conductor 31 of the first coaxial cable 3, and the first coupled radiator 13 is grounded by the outer conductor 32 of the first coaxial cable 3.
In addition, the central conductor 41 of the second coaxial cable 4 is connected to the second feeding end 201, and the outer conductor 42 of the second coaxial cable 4 is connected to the second grounding portion 221. In other words, the third radiator 21 is fed by the central conductor 41 of the second coaxial cable 4, and the second coupling radiator 22 is grounded by the outer conductor 42 of the second coaxial cable 4.
Preferably, the first feeding end 101 is located between the first grounding portion 131 and the second grounding portion 221, and the second grounding portion 221 is located between the first feeding end 101 and the second feeding end 201. In terms of physical structure, the first feeding end 101, the first grounding portion 131, the second grounding portion 221 and the second feeding end 201 may be distributed on the bottom surface of the substrate 10, as shown in fig. 5 and fig. 6, but not limited thereto.
Depending on the multiple frequency bands required for the 5G sub-6 frequency band and for a conventional Wireless Wide Area Network (WWAN), wireless Local Area Network (WLAN). Referring to fig. 7, it is preferable that the first coupling radiator 13 operates in a first low frequency band LB1, and the first radiator 11 operates in a second low frequency band LB2, and the second low frequency band LB2 has a higher frequency than the first low frequency band LB1. The first low frequency band LB1 and the second low frequency band LB2 cover a frequency range of 699MHz to 960 MHz. The second radiator 13 operates in a first high frequency band HB1 and a second high frequency band HB2, and the second high frequency band HB2 is a high-order resonance frequency of the first high frequency band HB 1. The first high-frequency band HB1 covers a frequency range of 1710MHz to 1990 MHz. The frequency range of the second high-frequency band HB2 falls between 1990MHz to 2690 MHz. The U-shape of the first radiator 11 causes the first radiator 12 to operate in the third high frequency band HB3, and the third high frequency band HB3 has a higher frequency than the second high frequency band HB2. The third high frequency band HB3 encompasses the frequency range 5100MHz-5900 MHz. In addition to the above basic operation modes, the frequency range 3300MHz-4900MHz required for the first antenna 1 is supported by the first radiator 11, the second radiator 12 and other higher order modes of the first coupling radiator 13, and particularly, the impedance matching in this frequency range is adjusted by the coupling between the first portion 111 of the first radiator 11 and the adjacent portion of the first coupling radiator 13. The multipath coupling can provide larger operation bandwidth, better impedance matching and radiation efficiency improvement.
In addition, referring to fig. 8, the operating frequency of the second antenna 2 covers a frequency range of 1710MHz to 4700 MHz. The fundamental mode and the higher order mode of each of the third radiator 21 and the second coupled radiator 22 are sufficient to cover the above frequency range. For example, the first antenna 1 and the second antenna 2 can be used for at least the transmission requirements of the 802.11n and 802.11ax specifications when Multiple Input Multiple Output (MIMO) is performed.
Furthermore, in the antenna efficiency portion, the operating frequency is 699MHz to 960MHz, the antenna efficiency is-6.5 dB or better, 1700MHz to 2690MHz, the antenna efficiency is-5 dB or better, 3400MHz to 4700MHz, the antenna efficiency is-8 dB or better, and 5150MHz to 5925MHz, the antenna efficiency is-6 dB or better. Furthermore, the dual antenna operation of the dual antenna module conforms to the SAR specifications of the existing WWAN, WLAN and 5G sub-6 frequency bands for multiple input multiple output operation. In particular, the antenna design is very competitive with conventional designs in that the space occupation is less than 100.66 mm by 7 mm by 3.5 mm in length by width. According to the prior art, the conventional antenna cannot achieve the above effects of the present invention at the same time under the same size limitation.
In summary, the dual-antenna module for the fifth-generation mobile communication technology provided by the embodiment of the invention has more available frequency bands compared with the traditional antenna, and can simultaneously meet the specifications of a wireless local area network, a wireless wide area network and multiple input multiple output functions by only using the dual-antenna, and meanwhile, the dual-antenna module can be suitable for the 5G sub-6 frequency band of the fifth-generation mobile communication technology, achieves the effects of reducing the number of antennas and reducing the occupied space of the antennas, and has high industrial application value.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121133.9A CN114465022B (en) | 2022-02-09 | 2022-02-09 | Dual antenna module for fifth generation mobile communication technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210121133.9A CN114465022B (en) | 2022-02-09 | 2022-02-09 | Dual antenna module for fifth generation mobile communication technology |
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| CN114465022A CN114465022A (en) | 2022-05-10 |
| CN114465022B true CN114465022B (en) | 2024-12-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740852A (en) * | 2008-11-05 | 2010-06-16 | 启碁科技股份有限公司 | broadband planar antenna |
| CN103779649A (en) * | 2012-10-23 | 2014-05-07 | 启碁科技股份有限公司 | Portable electronic device and antenna structure thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200835059A (en) * | 2007-02-15 | 2008-08-16 | Advanced Connectek Inc | Coupling antenna |
| TW200913380A (en) * | 2007-09-07 | 2009-03-16 | Advanced Connectek Inc | Integrated multiple antenna module |
| WO2009154417A2 (en) * | 2008-06-18 | 2009-12-23 | 주식회사 아모텍 | Multiband antenna for portable terminal unit and portable terminal unit equipped with the same |
| TWI528640B (en) * | 2012-11-20 | 2016-04-01 | 啟碁科技股份有限公司 | Wideband antenna and wireless communication device |
| TWI521789B (en) * | 2013-07-08 | 2016-02-11 | 華碩電腦股份有限公司 | Electronic device |
| CN107317104A (en) * | 2017-06-27 | 2017-11-03 | 普联技术有限公司 | A kind of antenna assembly and Wireless Telecom Equipment |
| CN113922044A (en) * | 2021-10-14 | 2022-01-11 | 常熟市泓博通讯技术股份有限公司 | Active regulation type long-term evolution antenna |
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- 2022-02-09 CN CN202210121133.9A patent/CN114465022B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740852A (en) * | 2008-11-05 | 2010-06-16 | 启碁科技股份有限公司 | broadband planar antenna |
| CN103779649A (en) * | 2012-10-23 | 2014-05-07 | 启碁科技股份有限公司 | Portable electronic device and antenna structure thereof |
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| CN114465022A (en) | 2022-05-10 |
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