CN107317097B - Millimeter wave array and non-millimeter wave integrated antenna - Google Patents
Millimeter wave array and non-millimeter wave integrated antenna Download PDFInfo
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- CN107317097B CN107317097B CN201710534187.7A CN201710534187A CN107317097B CN 107317097 B CN107317097 B CN 107317097B CN 201710534187 A CN201710534187 A CN 201710534187A CN 107317097 B CN107317097 B CN 107317097B
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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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
- H01Q5/20—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
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Abstract
The invention discloses a millimeter wave array and non-millimeter wave integrated antenna, which comprises strip branches made of metal materials and a plurality of millimeter wave antennas distributed along the strip branches, wherein the length of each strip branch is about 10mm, the width of each millimeter wave antenna is 0.5-1mm, the distance between every two adjacent millimeter wave antennas is less than 1mm, a first connecting piece is vertically arranged at the end part of each strip branch, and a feed point is formed at the end part of each first connecting piece. According to the invention, the millimeter wave array antenna is integrated on the branch or strip with the length of about 10mm in the non-millimeter wave antenna structure, so that the integrated design of the millimeter wave array and the non-millimeter wave antenna is realized, the feed network design of the array is optimized, and the cost is saved.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a millimeter wave array and non-millimeter wave integrated antenna.
Background
The electromagnetic wave with wavelength of 1 ~ 10mm is called millimeter wave, which is located in the overlapping wavelength range of microwave and far infrared wave, so that it has two wave spectrum characteristics, and is the main frequency band of next generation communication.
The fifth generation mobile communication (5G) system gradually moves into the human vision as the next stage of technology and standard development in the field of mobile communication. In recent years, the 5G technology has been noted with a very high degree of attention and has entered a substantial research stage. The millimeter wave communication technology is a key technology in 5G communication, so that the communication speed can be greatly improved, the time delay can be reduced, and the system capacity can be improved.
The important research in millimeter wave communication is limited in the research of millimeter wave antennas, and the characteristics of small volume and easy array formation of the millimeter wave antennas are widely researched and applied at present. When the millimeter wave antenna array is applied to a mobile phone terminal, good beam forming can be realized. In the prior art, the scheme related to the combination of the millimeter wave array antenna and the mobile terminal is less, and in a limited scheme, the millimeter wave array antenna and the non-millimeter wave antenna are separately arranged, the scheme brings quite complex requirements to a radio frequency network at the rear end, the radio frequency network is divided into a plurality of links, and the use of radio frequency devices and the loss of the links are overlapped in multiples.
Patent No. 201621122875.X in the prior art discloses an electronic device, and the millimeter wave array mentioned in this scheme can only radiate through a dielectric gap of a metal case, and for the metal case with a smaller gap or a special slit position, the placement and application of the millimeter wave array inside the terminal are greatly affected.
Therefore, it is necessary to provide a new millimeter wave array and non-millimeter wave integrated antenna to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a millimeter wave array and non-millimeter wave integrated antenna, which realizes the integrated integration of a non-millimeter wave band and a millimeter wave array, optimizes the design of a feed network of the array and saves the cost.
The invention realizes the purpose through the following technical scheme: the millimeter wave array and non-millimeter wave integrated antenna comprises strip branches made of metal materials and a plurality of millimeter wave antennas distributed along the strip branches in an array mode, wherein the length of each strip branch is about 10mm, the width of each millimeter wave antenna is 0.5-1mm, the distance between every two adjacent millimeter wave antennas is smaller than 1mm, a first connecting piece is vertically arranged at the end portion of each strip branch, and the end portion of each first connecting piece forms a feed point.
Further, the non-millimeter wave is an antenna in a PIFA form, an LOOP form, or a monopole antenna.
Furthermore, a second connecting strip is arranged on the strip-shaped branch knot and perpendicular to the strip-shaped branch knot, and the end part of the second connecting strip forms a feed point.
Furthermore, a third connecting strip is further arranged in the middle of the strip-shaped branch knot and perpendicular to the strip-shaped branch knot, and the second connecting strip is located between the first connecting strip and the third connecting strip.
Furthermore, strip-shaped branch knots are arranged on the strip-shaped branch knots in parallel, the strip-shaped branch knots are communicated with the strip-shaped branch knots through the third connecting strips, a plurality of millimeter wave antennas are distributed on the strip-shaped branch knots in an array mode, and the millimeter wave antennas on the strip-shaped branch knots form a millimeter wave antenna array with multiple rows and multiple columns.
Further, the distance between the feed point and the feed point is 5-8 mm.
Furthermore, the second connecting strip is arranged at the other end part of the strip-shaped branch knot, which is opposite to the end part where the first connecting strip is arranged.
Further, the strip-shaped branch nodes comprise a first branch node and a second branch node which are distributed in parallel, a fourth connecting strip communicated with the middle of the second branch node is arranged at the end part of the first branch node, and the fourth connecting strip is perpendicular to the first branch node and the second branch node.
Furthermore, the first connecting strip is arranged at the end part of the second branch knot, and the other end of the second branch knot is provided with a low-frequency branch knot parallel to the second branch knot in a bent manner.
Further, the millimeter wave antenna is arranged on the first branch.
Compared with the prior art, the millimeter wave array and non-millimeter wave integrated antenna has the beneficial effects that: the millimeter wave array is integrated, and meanwhile, the array and the non-millimeter wave band antenna are designed into a whole without additionally designing an independent array, so that the integration of the non-millimeter wave band and the millimeter wave array is realized, meanwhile, a power divider and a phase shifter are not used for realizing array grouping, the characteristic that electromagnetic waves propagate in metal is utilized, the arrangement position of an array element is properly selected for realizing the integration of the millimeter wave array and the non-millimeter wave antenna, the feed network design of the array is optimized, and the cost is saved; the millimeter wave array antenna is integrated on the branch or strip with the length of about 10mm in the non-millimeter wave antenna structure, so that the integrated design of the millimeter wave array and the non-millimeter wave antenna is realized.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of the present invention;
the figures in the drawings represent:
10. 20, 30 millimeter wave array and non-millimeter wave integrated antenna;
1 strip branch, 11 first connecting strips, 12 second connecting strips, 13 third connecting strips, 14 feed points, 15 feed points and 16 fourth connecting strips; 2 millimeter wave antenna; 3, a branch knot is formed in a strip shape; 4, a first branch knot; 5 second branch knot; 6 low frequency minor matters.
Detailed Description
The first embodiment is as follows:
the size of a traditional non-millimeter wave antenna of a mobile terminal is large, according to the electromagnetic field theory, when the requirement below a low frequency band (1 GHz) of voice communication is generally met, the non-millimeter wave does not need branches or strips with the whole length of about 10mm, and the strips with the length can be completely used for integrating millimeter wave array antennas.
Referring to fig. 1, the present embodiment is an integration of a non-millimeter wave antenna in the form of a PIFA with a millimeter wave array. The present embodiment is an integrated antenna 10 of millimeter wave array and non-millimeter wave, which includes a strip-shaped branch 1 made of metal material, and a plurality of millimeter wave antennas 2 distributed along the strip-shaped branch 1 in an array. The non-millimeter wave antenna is a PIFA type non-millimeter wave antenna.
The end part of the strip-shaped branch knot 1 is provided with a first connecting strip 11, and the middle part of the strip-shaped branch knot is provided with a second connecting strip 12 and a third connecting strip 13. The third connecting strip 13, the second connecting strip 12 and the first connecting strip 11 are arranged perpendicular to the strip-shaped branch 1. The end of the first connecting bar 11 forms a feeding point 14, the end of the second connecting bar 12 forms a feeding point 15, the whole length of the strip-shaped branch 1 correspondingly forms a low-frequency section L1 of a non-millimeter wave band, the length from one end of the strip-shaped branch to the third connecting bar 13 correspondingly forms a high-frequency section L2 of the non-millimeter wave band, and the metal branch section L3 is formed at the part of the strip-shaped branch 1 between the second connecting bar 12 and the first connecting bar 11.
The optimal number of the millimeter wave antennas 2 on the strip-shaped branch 1 is 4, the millimeter wave antennas 2 are distributed on the section of the high-frequency section L2, the strip-shaped branch 1 is provided with the strip-shaped branch 3 in parallel, and the strip-shaped branch 3 is communicated with the strip-shaped branch 1 through the third connecting strip 13. A plurality of millimeter wave antennas 2 are distributed on the strip-shaped branch knot 3 in an array manner. In this embodiment, one strip-shaped branch segment 3 is provided, in other embodiments, a plurality of strip-shaped branch segments 3 may be provided, and each strip-shaped branch segment 3 is provided with the millimeter wave antenna 2 in an array manner, so as to form a millimeter wave antenna array of an array such as 1 × 4, 2 × 4, 1 × 8, 2 × 8, and the like.
In this embodiment, the millimeter wave antenna 2 is a rectangular monopole, and the shape thereof is a rectangular strip structure, and in other embodiments, the millimeter wave antenna 2 may be designed to be L-shaped, or may be a microstrip, a slot antenna, or the like.
In order to adapt to the antenna in the millimeter wave band, and the distance between two adjacent millimeter wave antennas 2 may significantly affect the coupling characteristics between the units, the overall pattern of the final array and the beam forming effect (beam forming is a signal preprocessing technique based on an antenna array, and beam forming generates a directional beam by adjusting the weighting coefficient of each array element in the antenna array, so as to obtain an obvious array gain) are affected, therefore, in this embodiment, the width of a single millimeter wave antenna 2 is 0.5-1mm, and the distance L4 between two adjacent millimeter wave antennas 2 should be less than 1mm, so that the radiation resonance frequency generated by the millimeter wave antenna 2 can be ensured to be in the corresponding millimeter wave band. By adjusting the distance of the L4, the optimization of the millimeter wave array directional diagram can be realized, so as to achieve the best performance state of the antenna.
The distance between the feeding point 14 and the feeding point 15 is 5-8mm, in this embodiment, the whole antenna system shares one feeding point 14, and the matching condition of the whole antenna system can be optimized by properly selecting the feeding point and the feeding point. When the antenna system feeds at the feeding point 14, electromagnetic waves form corresponding lower-frequency band and higher-frequency band (non-millimeter wave band) resonances on the L1 and L2 branches, and in the transmission process of current in the metal branch L3, the phase of the current changes periodically according to the distance from a specific point on the metal branch L3 to the feeding point, so that the phase requirements of the units needed by people can be met by reasonably designing the distance between the millimeter wave antennas 2 (the distance between the units can be unequal). In addition, because metal has no loss (or the loss is very small), when the current is transmitted in a short distance (1 mm), the amplitude change of the current is not large, and the constant-amplitude feeding of the millimeter wave array can be realized. Appropriate selection of the specific position of the millimeter wave antenna 2 on the high frequency band L2 enables a set synthesized millimeter wave array pattern to be obtained.
The millimeter wave array and non-millimeter wave integrated antenna has the advantages that: the millimeter wave array is integrated, and meanwhile, the array and the non-millimeter wave band antenna are designed into a whole without additionally designing an independent array, so that the integration of the non-millimeter wave band and the millimeter wave array is realized, meanwhile, a power divider and a phase shifter are not used for realizing array grouping, the characteristic that electromagnetic waves propagate in metal is utilized, the arrangement position of an array element is properly selected for realizing the integration of the millimeter wave array and the non-millimeter wave antenna, the feed network design of the array is optimized, and the cost is saved; the millimeter wave array antenna is integrated on the branch or strip with the length of about 10mm in the non-millimeter wave antenna structure, so that the integrated design of the millimeter wave array and the non-millimeter wave antenna is realized.
Example two:
referring to fig. 2, the present embodiment is an integration of a non-millimeter wave antenna in the form of a LOOP and a millimeter wave array, and the present embodiment is an integrated millimeter wave array and non-millimeter wave antenna 20, which includes a strip-shaped branch 1 made of a metal material, and a plurality of millimeter wave antennas 2 distributed along the strip-shaped branch 1 in an array. The non-millimeter wave antenna is a LOOP form non-millimeter wave antenna. Two ends of the strip-shaped branch 1 are respectively provided with a first connecting strip 11 and a second connecting strip 12, and the first connecting strip 11 and the second connecting strip 12 are perpendicular to the strip-shaped branch 1. The millimeter-wave antenna 2 forms a 1 × 8 millimeter-wave array antenna. The millimeter wave antennas 2 are strip-shaped structures, the width of each millimeter wave antenna 2 is 0.5-1mm, and the distance L4 between every two adjacent millimeter wave antennas 2 is smaller than 1 mm. The end of the first connecting strip 11 forms a feed point 14 and the end of the second connecting strip 12 forms a feed point 15.
Example three:
referring to fig. 3, the present embodiment is an integration of a monopole antenna and a millimeter wave array, and the present embodiment is a millimeter wave array and non-millimeter wave integrated antenna 30, which includes a strip-shaped branch 1 made of a metal material, and a plurality of millimeter wave antennas 2 distributed along the strip-shaped branch 1 in an array. The non-millimeter wave antenna is a monopole antenna. The strip-shaped branch 1 comprises a first branch 4 and a second branch 5 which are distributed in parallel, and a fourth connecting strip 16 communicated with the middle of the second branch 5 is arranged at the end part of the first branch 4. One end part of the second branch 5 is provided with a first connecting bar 11, and the end part of the first connecting bar 11 forms a feeding point 14; the other end of the second branch 5 is bent and provided with a low-frequency branch 6 parallel to the second branch 5. The millimeter-wave antenna 2 is arranged on the first limb 4.
The first connecting strip 11 and the fourth connecting strip 16 are arranged perpendicular to the second branch 5. The millimeter-wave antenna 2 forms a 1 × 4 millimeter-wave array antenna. The millimeter wave antennas 2 are of strip structures, the width of each millimeter wave antenna 2 is 0.5-1mm, and the distance between every two adjacent millimeter wave antennas 2 is smaller than 1 mm.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (1)
1. The utility model provides a millimeter wave array and non-millimeter wave integration antenna which characterized in that: the millimeter wave antenna comprises strip-shaped branches made of metal materials and a plurality of millimeter wave antennas distributed along the strip-shaped branches in an array mode, wherein the length of each strip-shaped branch is 10mm, the width of each single millimeter wave antenna is 0.5-1mm, the distance between every two adjacent millimeter wave antennas is smaller than 1mm, a first connecting piece is vertically arranged at the end part of each strip-shaped branch, the end part of each first connecting piece forms a feeding point, a second connecting piece is arranged on each strip-shaped branch and is perpendicular to the corresponding strip-shaped branch, the end part of each second connecting piece forms a feeding point, a third connecting piece is further arranged in the middle of each strip-shaped branch and is perpendicular to the corresponding strip-shaped branch, each second connecting piece is located between the corresponding first connecting piece and the corresponding third connecting piece, and strip-shaped branches are arranged in parallel on the corresponding strip-shaped branches, the strip-shaped branch knot is communicated with the strip-shaped branch knot through the third connecting strip, a plurality of millimeter wave antennas are distributed on the strip-shaped branch knot in an array mode, and the millimeter wave antennas on the strip-shaped branch knot form a millimeter wave antenna array with multiple rows and multiple columns.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108321498B (en) * | 2018-02-06 | 2023-10-13 | 深圳市信维通信股份有限公司 | Antenna structure and handheld device with 5G MIMO antenna and millimeter wave antenna array coexisting |
| JP6885359B2 (en) * | 2018-02-28 | 2021-06-16 | トヨタ自動車株式会社 | Array antenna |
| CN108987944B (en) | 2018-07-24 | 2021-04-23 | 维沃移动通信有限公司 | Terminal equipment |
| CN108987945B (en) * | 2018-07-24 | 2020-08-04 | 维沃移动通信有限公司 | Terminal equipment |
| CN110233328A (en) * | 2019-05-29 | 2019-09-13 | 维沃移动通信有限公司 | Mobile terminal |
| CN111541032B (en) * | 2020-04-30 | 2021-08-06 | 深圳市睿德通讯科技有限公司 | Millimeter wave and non-millimeter wave antenna integration module system and electronic equipment |
| CN113675603B (en) * | 2021-09-28 | 2022-04-19 | 深圳市睿德通讯科技有限公司 | Flexible antenna structure and electronic equipment |
| CN114530694B (en) * | 2022-04-24 | 2022-07-05 | 云谷（固安）科技有限公司 | Wireless communication structure, display panel and wireless communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9531087B2 (en) * | 2013-10-31 | 2016-12-27 | Sony Corporation | MM wave antenna array integrated with cellular antenna |
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| TW200908440A (en) * | 2007-08-03 | 2009-02-16 | Hon Hai Prec Ind Co Ltd | Antenna |
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Address after: 215300 Room 009, No. 55, Shengchuang Road, Yushan Town, Kunshan, Suzhou, Jiangsu Province Patentee after: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 215300 No. 268, Deng Yun Road, Kunshan hi tech Zone, Suzhou, Jiangsu. Patentee before: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Country or region before: China |