CN113745836B - Single slot antenna for fifth generation mobile communication technology - Google Patents
Single slot antenna for fifth generation mobile communication technology Download PDFInfo
- Publication number
- CN113745836B CN113745836B CN202111042349.8A CN202111042349A CN113745836B CN 113745836 B CN113745836 B CN 113745836B CN 202111042349 A CN202111042349 A CN 202111042349A CN 113745836 B CN113745836 B CN 113745836B
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- slot
- bifurcation
- block
- mobile communication
- communication technology
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 33
- 238000005516 engineering process Methods 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- 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
- H01Q5/10—Resonant antennas
-
- 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
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- 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
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
Abstract
The invention discloses a single slot antenna for a fifth generation mobile communication technology, which comprises a metal sheet, a slot hole and a feed-in metal wire. The elongated slot is arranged on the planar metal sheet, the slot comprises a bifurcation part, an extension part and a bifurcation part, the bifurcation part extends into the slot from the short side of the slot to generate bifurcation, the bifurcation part is connected with the extension part, the extension part continues to extend the bifurcation, the bifurcation part and the extension part are parallel to the long side of the slot, and the connection part of the bifurcation part and the extension part is provided with a feed-in end. The branch part extends from the joint of the branch part and the extension part towards the direction opposite to the extension part. The feed-in metal wire is perpendicular to the long side and extends into the slot to connect the feed-in end, so that the feed-in metal wire is perpendicular to the extension part. The feeding metal wire is used for feeding and dividing the slot into a first block and a second block. The feed-in metal wire, the extension part and the bifurcation part divide the first block. The feed-in metal wire, the branch part and the bifurcation part are separated into a second block. Thus achieving the effect of multi-frequency operation.
Description
Technical Field
The present invention relates to a mobile communication antenna, and in particular, to a single slot antenna for a fifth generation mobile communication technology.
Background
The antennas of the existing mobile devices such as notebook computers or smart phones all need applications of multiple communication specifications and multiple frequency bands, and the fifth generation of mobile communication provides larger bandwidth and can improve the information response speed. Besides the improvement of the data transmission quantity, the method also provides new derivative application and realizes the information function which is difficult to realize in the past.
The existing fifth generation mobile communication is mainly divided into two frequency sections, one frequency section is an application of Sub-6 below 6GHz, and a new application frequency band and a new algorithm coding mode are provided. Secondly, a Millimeter Wave (mmWave) band is provided for huge data flow and higher information response capability. The application below 6GHz is a solution with lower cost and lower threshold of the prior manufacturer resource investment. However, the operating bandwidth required by the antennas is further increased compared to conventional wireless wide area networks (WWAN, wireless Wide Area Network), such that the number of antennas or the size of the antennas need to be increased, which creates new difficult challenges for antenna design in terms of new product design.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a single slot antenna for a fifth generation mobile communication technology, which solves the problem of increasing the bandwidth of the antenna to meet the application of multi-frequency operation without increasing the number or size of the antenna.
The technical scheme of the invention is that the single slot antenna for the fifth generation mobile communication technology comprises the following components:
the metal sheet is planar;
the slot is arranged on the metal sheet and is of an elongated shape, the slot comprises a bifurcation part, an extension part and a branching part, the bifurcation part extends into the slot from the short side edge of the slot so as to cause the slot to diverge, the bifurcation part is connected with the extension part, the extension part is used for continuing to prolong the bifurcation, the bifurcation part and the extension part are parallel to the long side edge of the slot, the connection part of the bifurcation part and the extension part is provided with a feed-in end, and the connection part of the bifurcation part and the extension part extends from the connection part of the bifurcation part and the extension part towards the direction opposite to the extension part; and
the feed-in metal wire is perpendicular to the long side edge and extends into the slotted hole to be connected with the feed-in end, so that the feed-in metal wire is perpendicular to the extension part;
the feeding metal wire is used for feeding and dividing the slot hole into a first block and a second block, wherein the feeding metal wire, the extension part and the branching part divide the slot hole into the first block, and the feeding metal wire, the branching part and the branching part divide the slot hole into the second block.
Further, the metal sheet has a first boundary and a second boundary, the first boundary and the second boundary are perpendicular to each other, the short side of the slot is parallel to the first boundary, the long side of the slot is parallel to the second boundary, and the slot is close to the first boundary and the second boundary.
Further, the first block is used for exciting a resonance mode of 2.4 GHz.
Further, the first block is used for exciting a resonance mode of 5 GHz.
Further, the second block is used for exciting a frequency band between 3.3GHz and 4.2GHz in a Sub-6 frequency band of a fifth generation mobile communication technology.
Further, the branching portion is used for exciting a resonance mode of a WiFi 6E frequency band, and the WiFi 6E frequency band comprises a frequency band from 5.925GHz to 7.125 GHz.
Further, the feeding metal wire is a central conductor of a coaxial cable, wherein an outer conductor of the coaxial cable is connected to the metal sheet for grounding, and the outer conductor of the coaxial cable is connected to the metal sheet at the long side of the slot hole.
Further, the branch portion connects the junction of the bifurcation portion and the extension portion, and the branch portion extends in a direction opposite to the extension portion, so that at least a portion of the branch portion is parallel to the bifurcation portion.
Further, the first block is substantially U-shaped and the second block is also substantially U-shaped.
Further, the length of the long side of the slot is between 53 mm and 57 mm, the dimension of the short side of the slot is 4 mm, and the width of the bifurcation part and the extension part is 1 mm.
The technical scheme provided by the invention has the advantages that under the condition of not increasing the original size of the antenna, a single slotted antenna is used for multi-frequency application, and is simultaneously suitable for WiFi-2G, wiFi-5G and WiFi 6E specifications, and can be used for Sub-6 frequency bands of fifth-generation mobile communication technology, so that the invention has the advantages of simple structure and wide frequency band application, and has high industrial application value.
Drawings
Fig. 1 is a schematic diagram of a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention, which does not include a feeding metal wire.
Fig. 2 is a schematic diagram of a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention, which includes a feeding metal wire.
Fig. 3 is a dimension diagram of a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a dual-port network S11 parameter of a single slot hole antenna for a fifth generation mobile communication technology according to a frequency variation in the present invention.
Fig. 5 is a schematic diagram of efficiency of a single slot aperture antenna for a fifth generation mobile communication technology 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, fig. 2 and fig. 3 together, fig. 1 is a schematic diagram of a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention, which does not include a feeding metal wire, fig. 2 is a schematic diagram of a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention, which includes a feeding metal wire, and fig. 3 is a dimension diagram of a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention. The present embodiment provides a single slot antenna for a fifth generation mobile communication technology, which includes a metal sheet 1, a slot 2, and a feeding metal wire 3, wherein the feeding metal wire 3 can be seen in fig. 2. The metal sheet 1 is planar. The slot 2 is provided in the metal sheet 1, and the slot 2 is elongated, for example, a slot having a substantially elongated rectangular shape. The slot 2 includes a bifurcation portion 21, an extension portion 22 and a branch portion 23, wherein the bifurcation portion 21 extends from a short side 201 of the slot 2 into the slot 2 to cause the slot 2 to diverge, the bifurcation portion 21 is connected with the extension portion 22, the extension portion 22 is used for continuing to lengthen the bifurcation, the bifurcation portion 21 and the extension portion 22 are parallel to a long side 202 of the slot 2, a connection portion between the bifurcation portion 21 and the extension portion 22 has a feed-in end 24, and the branch portion 23 extends from a connection portion between the bifurcation portion 21 and the extension portion 22 in a direction opposite to the extension portion 22. The feeding wire 3 is perpendicular to the long side 202 and extends into the slot 2 to connect the feeding end 24, so that the feeding wire 3 is perpendicular to the extension 22. The feeding wire 3 is used for feeding and dividing the slot 2 into a first block 25 and a second block 26, wherein the feeding wire 3, the extension portion 22 and the bifurcation portion 21 divide the slot 2 into the first block 25, and the feeding wire 3, the bifurcation portion 23 and the bifurcation portion 21 divide the slot 2 into the second block 26. The dimensions of the components of the single slot of the present embodiment are shown in fig. 3, which is only for example and not for limiting the invention.
In the practical application of the product, the metal sheet 1 has a first boundary 101 and a second boundary 102, the first boundary 101 and the second boundary 102 are perpendicular to each other, the short side 201 of the slot 2 is parallel to the first boundary 101, the long side 202 of the slot 2 is parallel to the second boundary 102, and the slot 2 is close to the first boundary 101 and the second boundary 102. It is understood that the single slot antenna of the present invention is suitable for use in the peripheral corners of a circuit board of a wireless communication device or in a wireless communication device having a metal housing near the edge of the housing.
Preferably, the example embodiment of the feeding wire 3 is as follows, the feeding wire 3 is a central conductor of a coaxial cable 300, wherein the outer conductor 301 of the coaxial cable 300 is connected to the metal sheet 1 for grounding (Ground), and the outer conductor 301 of the coaxial cable is connected to the metal sheet 1 at the long side 202 of the slot 2.
Preferably, the branch portion 23 connects the junction of the bifurcation portion 21 and the extension portion 22, and the branch portion 23 extends in a direction opposite to the extension portion 22, so that at least a portion of the branch portion 23 is parallel to the bifurcation portion 21. Preferably, the first block 25 is substantially U-shaped and the second block 26 is also substantially U-shaped. In the first block 25, the extension 22 is used to generate a U-shape for the first block 25. In the second block 26, the branching portion 23 is used to make the second block 26U-shaped. In this way, the path of resonance can be effectively prolonged in the same usage space. Referring to fig. 3 again, in terms of the preferred practical dimensions of the slot 2, the length of the long side 202 of the slot 2 is between 53 mm and 57 mm, and the dimension of the short side 201 of the slot 2 is 4 mm, wherein the width of the crotch 21 and the extension 22 is 1 mm.
Referring to fig. 4, fig. 4 is a schematic diagram showing a change of parameters of a dual-port network S11 with frequency for a single slot antenna for a fifth generation mobile communication technology according to an embodiment of the present invention. As for the resonant mode of operation, the first block 25 is used to excite the resonant mode of 2.4GHz, and the first block 25 is also used to excite the resonant mode of 5GHz, which can be used for WiFi-2G and WiFi-5G. The second block 26 is used for exciting a frequency band between 3.3GHz and 4.2GHz in the Sub-6 frequency band of the fifth generation mobile communication technology. The branching portion 23 is used to excite the resonance mode of the WiFi 6E frequency band, and the WiFi 6E frequency band includes a frequency band from 5.925GHz to 7.125 GHz. Referring to fig. 5, the efficiency of the single slot antenna of the present embodiment is good for consumer wireless communication products (especially wireless terminal devices) in the aforementioned frequency bands, and meets the industrial requirements.
In summary, the embodiment of the present invention provides a single slot antenna for the fifth generation mobile communication technology, which uses a single slot antenna as a multi-frequency application without specifically increasing the original size of the antenna, is simultaneously applicable to WiFi-2G, wiFi-5G and WiFi 6E specifications, and can be used for Sub-6 frequency bands of the fifth generation mobile communication technology, and has the advantages of simple structure and wide frequency band application, and has high industrial application value.
Claims (8)
1. A single slot antenna for use in fifth generation mobile communication technology, comprising:
the metal sheet is planar;
the slot is arranged on the metal sheet and is of an elongated shape, the slot comprises a bifurcation part, an extension part and a branching part, the bifurcation part extends into the slot from the short side edge of the slot so as to cause the slot to diverge, the bifurcation part is connected with the extension part, the extension part is used for continuing to prolong the bifurcation, the bifurcation part and the extension part are parallel to the long side edge of the slot, the connection part of the bifurcation part and the extension part is provided with a feed-in end, and the connection part of the bifurcation part and the extension part extends from the connection part of the bifurcation part and the extension part towards the direction opposite to the extension part; and
the feed-in metal wire is perpendicular to the long side edge and extends into the slotted hole to be connected with the feed-in end, so that the feed-in metal wire is perpendicular to the extension part;
the feeding metal wire is used for feeding and dividing the slot hole into a first block and a second block, wherein the feeding metal wire, the extension part and the bifurcation part divide the slot hole into the first block, the feeding metal wire, the bifurcation part and the bifurcation part divide the slot hole into the second block, the first block is approximately U-shaped, the second block is also approximately U-shaped, the feeding metal wire is a central conductor of a coaxial cable, an outer conductor of the coaxial cable is connected with the metal sheet for grounding, and the outer conductor of the coaxial cable is connected with the metal sheet at the long side of the slot hole.
2. The single slot antenna for a fifth generation mobile communication technology of claim 1, wherein said metal sheet has a first boundary and a second boundary, said first boundary and said second boundary being perpendicular to each other, said short side of said slot being parallel to said first boundary, said long side of said slot being parallel to said second boundary, said slot being proximate to said first boundary and said second boundary.
3. The single slot antenna for fifth generation mobile communication technology of claim 1, wherein the first block is configured to excite a resonant mode at 2.4 GHz.
4. The single slot antenna for fifth generation mobile communication technology of claim 1, wherein the first block is configured to excite a resonant mode at 5 GHz.
5. The single slot antenna for fifth generation mobile communication technology of claim 1, wherein the second block is configured to excite a frequency band between 3.3GHz and 4.2GHz in a Sub-6 frequency band of the fifth generation mobile communication technology.
6. The single slot antenna for fifth generation mobile communication technology of claim 1, wherein the branch is configured to excite a resonant mode of a WiFi 6E frequency band, the WiFi 6E frequency band comprising a frequency band from 5.925GHz to 7.125 GHz.
7. The single slot antenna for a fifth generation mobile communication technology of claim 1, wherein at least a portion of the branch is parallel to the bifurcation.
8. The single slot antenna for fifth generation mobile communication technology of claim 1, wherein the length of the long side of the slot is between 53 mm and 57 mm, the dimension of the short side of the slot is 4 mm, and wherein the width of the crotch and the extension is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042349.8A CN113745836B (en) | 2021-09-07 | 2021-09-07 | Single slot antenna for fifth generation mobile communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111042349.8A CN113745836B (en) | 2021-09-07 | 2021-09-07 | Single slot antenna for fifth generation mobile communication technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113745836A CN113745836A (en) | 2021-12-03 |
| CN113745836B true CN113745836B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111042349.8A Active CN113745836B (en) | 2021-09-07 | 2021-09-07 | Single slot antenna for fifth generation mobile communication technology |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002151939A (en) * | 2000-10-03 | 2002-05-24 | Internatl Business Mach Corp <Ibm> | Antenna system, information processing unit and mobile phone |
| CN101621153A (en) * | 2008-06-30 | 2010-01-06 | 鸿富锦精密工业（深圳）有限公司 | Multifrequency antenna |
| KR20100096380A (en) * | 2009-02-24 | 2010-09-02 | 금오공과대학교 산학협력단 | Open-ended folded slot antenna |
| CN103682583A (en) * | 2012-09-21 | 2014-03-26 | 宏碁股份有限公司 | Mobile device |
| JP2017073628A (en) * | 2015-10-06 | 2017-04-13 | 富士通株式会社 | Antenna device and information processor |
| TW201729464A (en) * | 2016-02-05 | 2017-08-16 | 和碩聯合科技股份有限公司 | Antenna module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9774073B2 (en) * | 2014-01-16 | 2017-09-26 | Htc Corporation | Mobile device and multi-band antenna structure therein |
| TWI568076B (en) * | 2014-03-17 | 2017-01-21 | 廣達電腦股份有限公司 | Antenna structure |
-
2021
- 2021-09-07 CN CN202111042349.8A patent/CN113745836B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002151939A (en) * | 2000-10-03 | 2002-05-24 | Internatl Business Mach Corp <Ibm> | Antenna system, information processing unit and mobile phone |
| CN101621153A (en) * | 2008-06-30 | 2010-01-06 | 鸿富锦精密工业（深圳）有限公司 | Multifrequency antenna |
| KR20100096380A (en) * | 2009-02-24 | 2010-09-02 | 금오공과대학교 산학협력단 | Open-ended folded slot antenna |
| CN103682583A (en) * | 2012-09-21 | 2014-03-26 | 宏碁股份有限公司 | Mobile device |
| JP2017073628A (en) * | 2015-10-06 | 2017-04-13 | 富士通株式会社 | Antenna device and information processor |
| TW201729464A (en) * | 2016-02-05 | 2017-08-16 | 和碩聯合科技股份有限公司 | Antenna module |
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| Publication number | Publication date |
|---|---|
| CN113745836A (en) | 2021-12-03 |
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