CN105811121A - Multi-band antenna and combination and multiplexing method for implementing antenna - Google Patents
Multi-band antenna and combination and multiplexing method for implementing antenna Download PDFInfo
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- CN105811121A CN105811121A CN201610268910.7A CN201610268910A CN105811121A CN 105811121 A CN105811121 A CN 105811121A CN 201610268910 A CN201610268910 A CN 201610268910A CN 105811121 A CN105811121 A CN 105811121A
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- antenna
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- vhf
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- 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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- 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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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention discloses a multi-band antenna. The multi-band antenna is provided with: a plurality of antenna radiating elements comprising a VHF band antenna, an S band antenna, and an L band antenna, which are used to radiate radio electromagnetic energy to space and receive radio electromagnetic energy; an L band feeding unit, used to feed the L band antenna; an S band feeding unit, used to feed the S band antenna; an S band diplexer unit, used to achieve high isolation between receiving and sending by the S band antenna, wherein the VHF antenna element is electrically connected to the S band feeding unit; and a VHF antenna multi-frequency matching unit, used for multi-frequency matching of the VHF band antenna. The multi-band antenna disclosed by the present invention has the following advantages that the antennas are combined and arranged in vertical space according to radiation characteristics of the antennas, so that electromagnetic radiation of the antenna of each band is in a required spatial direction, signals of each frequency can be effectively transmitted and received, and a feed circuit of each band can perform effective feeding for each band, providing line-of-sight, middle-distance, and long-distance alerts, reports, and voice communication.
Description
Technical field
The present invention relates to marine emergency survival buoy radio communication technology field, it is specifically related to a kind of multiband aerial for realizing multifrequency point life-saving set and for realizing the combination multiplexing method of this antenna, its TELE COMMUNCATION SYSTEM being only applicable to carry multifrequency point communication equipment.
Background technology
The antenna that original buoy class communication equipment carries mainly has several as follows: one, frequency range is single, and the equipment namely carried is operating only at a frequency range, and antenna band is single, such as life-saving set and the SART of the frequency ranges such as VHF, UHF, 9GHz；Two, frequency range is various, but uses frequency different with technical scheme, such as " three-in-one " buoy antenna etc..Along with the development of communication technology, increasing means of communication goes for lifesaving category, and this just expands the working range of lifesaving communication further.
The combination multiplexing of multiband aerial, refer to together with the method integration that the multiple antenna of multiple frequency ranges, multiple frequency, different structure and purposes passes through to combine multiplexing, forming one pair of multiband combined antenna, this antenna is installed on the top of buoy, is carried free floating on sea by buoy during work.
Can individually use for L band antenna, S band antenna and VHF band antenna at present, realize sighting distance, in, remote signal transmission, VHF band antenna mainly realizes line-of-sight signal transmission, during L band antenna and S band antenna mainly realize, remote signal transmission, independent antenna and feed element is needed during use, very loaded down with trivial details.Again due to the demand of multiple antenna radiation units and multiple radiation polarization, in order to avoid disturbing each other, when the antenna of above-mentioned three's function is integrated in one pair of Multi-Function Antenna, need using antenna as the entirety considered to avoid each antenna and the impact of each frequency range feeding network, the composition between each antenna and the relation that influences each other must be taken into full account, and the composition of each frequency range feeding network and impact, there is no relevant report by literature search.
Therefore a kind of multiband aerial for realizing above three frequency range is needed badly and for realizing the combination multiplexing method of this antenna, meet this type of communication requirement, and can in conjunction with multifrequency point life-saving set for provide sighting distance, in, report to the police at a distance, message and Speech Communication.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of multiband aerial, be used for providing sighting distance, in, report to the police at a distance, message and Speech Communication.
For reaching above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is:
A kind of multiband aerial, it is characterised in that including:
Multiple antenna radiation units, for space radiation with receive radio electromagnetsm energy, separate VHF band antenna that described antenna radiation unit includes setting gradually from top to bottom, S band antenna, L band antenna；
L frequency range feed element, electrically connects with described L band antenna, for feeding to described L band antenna；
S frequency range feed element, electrically connects with described S band antenna, for feeding to described S band antenna；
S frequency range Duplexer Unit, electrically connects with described S frequency range feed element, for realizing the transmitting-receiving high-isolation of described S band antenna；
Described VHF antenna element electrically connects with described S frequency range feed element；
VHF antenna multifrequency matching unit, the multifrequency point for described VHF band antenna is mated.
Further, described L band antenna is right-handed circular polarization single-band antenna or left-hand circular polarization single-band antenna, is positioned at the bottom of described multiband aerial；Described S band antenna is left-hand circular polarization dual-band antenna or right-handed circular polarization dual-band antenna, is positioned at the middle part of described multiband aerial；Described VHF antenna is vertical polarization three-frequency antenna, is positioned at the top of described multiband aerial, and described L band antenna is oppositely oriented with the circular polarisation of described S band antenna.
Further, described L band antenna adopts the version of multi-layer microstrip antenna, and described S band antenna adopts decussation a period of time antenna, and described VHF band antenna adopts the version of helical antenna.
Further, it is additionally provided with barron structure between described S band antenna and described S frequency range feed element, described barron structure is arranged in described L band antenna, and described barron structure electrically connects with described S frequency range feed element, and described S band antenna electrically connects with described barron structure.
Further, described L frequency range feed element is for the orthogonal constant amplitude feed of the dual-port required for providing described L band antenna circular polarisation, and described S frequency range feed element is for the orthogonal constant amplitude feed of the dual-port required for providing described S band antenna circular polarisation.
Further, described decussation a period of time antenna is the radiation arm of the lamellar of decussation or for the pole of decussation.
Further, the cross section of described radiation arm is right-angled trapezium, triangle or rectangle.
Present invention also offers the combination multiplexing method of a kind of multiband aerial for realizing, it is characterised in that: comprise the following steps:
1) component relationship of multiple antenna radiation units, described L band antenna is the bottom that right-handed circular polarization antenna or left-hand circular polarization antenna are positioned at integrated antenna, adopts the version of multi-layer microstrip antenna；S band antenna is the middle part that left-hand circular polarization or right-handed circular polarization antenna dual-band antenna are positioned at integrated antenna, adopts the version of decussation a period of time antenna, and the circular polarisation of L band antenna and S band antenna adopts contrary rotation direction；VHF antenna is the top that vertical polarization three-frequency antenna is positioned at integrated antenna, adopts the version of helical antenna.
2) L frequency range feed element, it is provided that the orthogonal constant amplitude feed of dual-port required for L band antenna circular polarisation.
3) S frequency range feed element, it is provided that the orthogonal constant amplitude feed of dual-port required for S band antenna circular polarisation.
4) S frequency range Duplexer Unit, is positioned at the front end of S frequency range feed element, in conjunction with antenna module, it is achieved the high-isolation that the full duplex of this frequency range is required when working.
5) the feed Balun structure of the antenna multiplexed S frequency range of VHF, collectively constitutes with the helical antenna structure of VHF antenna, and combines described VHF antenna multifrequency matching unit, it is provided that the transmitting-receiving work of three frequencies.
Further, described step 1) in L band antenna and S band antenna use the left-handed and right-handed circular polarization by straight-through and coupling port phase place lead and lag relational implementation of 90 degree of electric bridges respectively.
Further, described step 1) in decussation a period of time antenna use the barron structure through L band antenna center to be supported and direct feed, the irradiation structure of crossed dipole antenna adopts the radiation arm of lamellar.
Technique scheme is adopted to provide the benefit that: to be combined arrangement by radiation feature according to each antenna on vertical space, make the electromagnetic radiation of each band antenna all at required direction in space, effectively launching and receiving of each frequency signal can be carried out, and the feed circuit of each frequency range can complete the effective feed to each frequency range, it is provided that sighting distance, in, report to the police at a distance, message and Speech Communication.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of each band antenna radiation space.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the schematic diagram of S band antenna entirety composition.
Fig. 4 is VHF frequency band match lattice network schematic diagram.
Fig. 5 is the circuit diagram of L frequency range feed.
Fig. 6 is the circuit diagram of S frequency range feed.
Fig. 7 is L band antenna and the schematic diagram of S antenna.
The title of numeral and the corresponding component represented by letter in figure:
101-L band antenna radiation space；201-S band antenna radiation space；301-VHF band antenna radiation space；1-L band antenna；2-S band antenna；3-VHF band antenna；4-L frequency range feed element；5-S frequency range duplexer；6-S frequency range feed element；7-barron structure；The orthogonal constant amplitude feed of 8-；9-decussation a period of time；10-distributing point；11-radiation fin；12-parasitic patch；13-radiation arm.
Detailed description of the invention
Below in conjunction with specific embodiment, present disclosure is described in further detail:
In order to reach the purpose of the present invention, as shown in the figure, some embodiments at a kind of multiband aerial of the present invention are, including: multiple antenna radiation units, for to space radiation with receive radio electromagnetsm energy, separate VHF band antenna 3 that antenna radiation unit includes setting gradually from top to bottom, S band antenna 2, L band antenna 1；L frequency range feed element 4, electrically connects with L band antenna 1, for feeding to L band antenna 1；S frequency range feed element 6, electrically connects with S band antenna 2, for feeding to S band antenna 2；S frequency range Duplexer Unit 5, electrically connects with S frequency range feed element 6, for realizing the transmitting-receiving high-isolation of S band antenna 2；VHF antenna element 3 electrically connects with S frequency range feed element 6；VHF antenna multifrequency matching unit, the multifrequency point for VHF band antenna is mated, in order to meet VHF band antenna multifrequency point and radiation demand, to which employs multiplex technique.
Technique scheme is adopted to provide the benefit that: to be combined arrangement by radiation feature according to each antenna on vertical space, make the electromagnetic radiation of each band antenna all at required direction in space, effectively launching and receiving of each frequency signal can be carried out, and the feed circuit of each frequency range can complete the effective feed to each frequency range, it is provided that sighting distance, in, report to the police at a distance, message and Speech Communication.
In some embodiments, in order to reach to solve L band antenna 1 and S band antenna 2 radiation needs, take into account the purpose of interference between two frequency ranges simultaneously, therefore the antenna of the two frequency range carries out comprehensive structure consider, it is additionally provided with barron structure 7 between described S band antenna 2 and described S frequency range feed element 3, barron structure 7 is arranged in described L band antenna 1, barron structure 7 electrically connects with S frequency range feed element 6, S band antenna 2 electrically connects with barron structure 7, L band antenna 1 is right-handed circular polarization single-band antenna or left-hand circular polarization single-band antenna, it is positioned at the bottom of described multiband aerial；S band antenna 2 is left-hand circular polarization dual-band antenna or right-handed circular polarization dual-band antenna, is positioned at the middle part of described multiband aerial；nullVHF band antenna 3 is vertical polarization three-frequency antenna，It is positioned at the top of multiband aerial，L band antenna 1 is oppositely oriented with the circular polarisation of S band antenna 2，L band antenna 1 adopts the version of multi-layer microstrip antenna，And adopt duplex feeding and parasitic method to realize the requirement of its circular polarisation and bandwidth，Including radiation fin 11、Parasitic patch 12 and distributing point 10，The micro-strip copper clad plate dielectric constant of its use is 6.15，S band antenna 2 radiating principal adopts decussation a period of time antenna，Radiating principal uses the barron structure 7 through L band antenna 1 center to be supported and direct feed，Barron structure 7 adopts diagonal angle to feed，Simultaneously in order to solve the radiation bandwidth problem of S band antenna 2，The irradiation structure in decussation a period of time adopts the radiation arm 13 of the lamellar of decussation or is the pole of decussation，It is preferably radiation arm，The cross section of radiation arm is right-angled trapezium、Triangle or rectangle，Radiation bandwidth is bigger，Described VHF band antenna 3 adopts the version of helical antenna.
In some embodiments, in order to reach to solve the purpose of L frequency range and S frequency range circular polarization radiation characteristic, L frequency range feed element 4 is for the orthogonal constant amplitude feed of the dual-port required for providing L band antenna 1 circular polarisation, L band antenna 1 and S band antenna 2 for the orthogonal constant amplitude feed of the dual-port required for providing S band antenna 2 circular polarisation, are used 90 degree electric bridges to pass through to lead directly to and the left-handed and right-handed circular polarization characteristic of phase place lead and lag relational implementation antenna of coupling port by S frequency range feed element 6 respectively.
In some embodiments, in order to reach the purpose of VHF band antenna multiplexing, VHF band antenna 3 is positioned at top, is the antenna presenting form in, and its top radiant body adopts helical structure, and bottom shares the barron structure 7 in S band antenna 2.By this multiplex technique, not only saving sky space of lines, problem walked by the feeder line simultaneously also solving VHF antenna.Problem in order to solve VHF frequency range multifrequency point employs multi-frequency impedance matching network, and the carrying out of VHF antenna is fed, to meet the demand of multifrequency point.
Present invention also offers the combination multiplexing method of a kind of multiband aerial for realizing, it is characterised in that: comprise the following steps:
1) component relationship of multiple antenna radiation units, described L band antenna is the bottom that right-handed circular polarization antenna or left-hand circular polarization antenna are positioned at integrated antenna, adopts the version of multi-layer microstrip antenna；S band antenna is the middle part that left-hand circular polarization or right-handed circular polarization antenna dual-band antenna are positioned at integrated antenna, adopts the version of decussation a period of time antenna, and the circular polarisation of L band antenna and S band antenna adopts contrary rotation direction；VHF antenna is the top that vertical polarization three-frequency antenna is positioned at integrated antenna, adopt the version of helical antenna, decussation a period of time antenna uses the barron structure through L band antenna center to be supported and direct feed, and the irradiation structure of crossed dipole antenna adopts the radiation arm of lamellar.
2) L frequency range feed element, it is provided that the orthogonal constant amplitude feed of dual-port required for L band antenna circular polarisation.
3) S frequency range feed element, the orthogonal constant amplitude feed of dual-port required for providing S band antenna circular polarisation, L band antenna and S band antenna use the left-handed and right-handed circular polarization by straight-through and coupling port phase place lead and lag relational implementation of 90 degree of electric bridges respectively.
4) S frequency range Duplexer Unit, is positioned at the front end of S frequency range feed element, in conjunction with antenna module, it is achieved the high-isolation that the full duplex of this frequency range is required when working.
5) the feed Balun structure of the antenna multiplexed S frequency range of VHF, collectively constitutes with the helical antenna structure of VHF antenna, and combines described VHF antenna multifrequency matching unit, it is provided that the transmitting-receiving work of three frequencies.
Above-described embodiment is only for illustrating technology design and the feature of the present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to be carried out; can not limit the scope of the invention with this; all equivalences made according to spirit of the invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (10)
1. a multiband aerial, it is characterised in that including:
Multiple antenna radiation units, for space radiation with receive radio electromagnetsm energy, separate VHF band antenna that described antenna radiation unit includes setting gradually from top to bottom, S band antenna, L band antenna；
L frequency range feed element, electrically connects with described L band antenna, for feeding to described L band antenna；
S frequency range feed element, electrically connects with described S band antenna, for feeding to described S band antenna；
S frequency range Duplexer Unit, electrically connects with described S frequency range feed element, for realizing the transmitting-receiving high-isolation of described S band antenna；
Described VHF antenna element electrically connects with described S frequency range feed element；
VHF antenna multifrequency matching unit, the multifrequency point for described VHF band antenna is mated.
2. a kind of multiband aerial according to claim 1, it is characterised in that: described L band antenna is right-handed circular polarization single-band antenna or left-hand circular polarization single-band antenna, is positioned at the bottom of described multiband aerial；Described S band antenna is left-hand circular polarization dual-band antenna or right-handed circular polarization dual-band antenna, is positioned at the middle part of described multiband aerial；Described VHF band antenna is vertical polarization three-frequency antenna, is positioned at the top of described multiband aerial, and described L band antenna is oppositely oriented with the circular polarisation of described S band antenna.
3. a kind of multiband aerial according to claim 1 and 2, it is characterized in that: described L band antenna adopts the version of multi-layer microstrip antenna, described S band antenna adopts decussation a period of time antenna, and described VHF band antenna adopts the version of helical antenna.
4. a kind of multiband aerial according to claim 3, it is characterized in that: between described S band antenna and described S frequency range feed element, be additionally provided with barron structure, described barron structure is arranged in described L band antenna, described barron structure electrically connects with described S frequency range feed element, and described S band antenna electrically connects with described barron structure.
5. a kind of multiband aerial according to claim 4, it is characterized in that: described L frequency range feed element is for the orthogonal constant amplitude feed of the dual-port required for providing described L band antenna circular polarisation, and described S frequency range feed element is for the orthogonal constant amplitude feed of the dual-port required for providing described S band antenna circular polarisation.
6. a kind of multiband aerial according to claim 5, it is characterised in that: described decussation a period of time antenna is the radiation arm of the lamellar of decussation or for the pole of decussation.
7. a kind of multiband aerial according to claim 6, it is characterised in that: the cross section of described radiation arm is right-angled trapezium, triangle or rectangle.
8. the combination multiplexing method being used for realizing multiband aerial as claimed in claim 7, it is characterised in that: comprise the following steps:
1) component relationship of multiple antenna radiation units, described L band antenna is the bottom that right-handed circular polarization antenna or left-hand circular polarization antenna are positioned at integrated antenna, adopts the version of multi-layer microstrip antenna；S band antenna is the middle part that left-hand circular polarization or right-handed circular polarization antenna dual-band antenna are positioned at integrated antenna, adopts the version of decussation a period of time antenna, and the circular polarisation of L band antenna and S band antenna adopts contrary rotation direction；VHF antenna is the top that vertical polarization three-frequency antenna is positioned at integrated antenna, adopts the version of helical antenna.
2) L frequency range feed element, it is provided that the orthogonal constant amplitude feed of dual-port required for L band antenna circular polarisation.
3) S frequency range feed element, it is provided that the orthogonal constant amplitude feed of dual-port required for S band antenna circular polarisation.
4) S frequency range Duplexer Unit, is positioned at the front end of S frequency range feed element, in conjunction with antenna module, it is achieved the high-isolation that the full duplex of this frequency range is required when working.
5) the feed Balun structure of the antenna multiplexed S frequency range of VHF, collectively constitutes with the helical antenna structure of VHF antenna, and combines described VHF antenna multifrequency matching unit, it is provided that the transmitting-receiving work of three frequencies.
9. combination multiplexing method according to claim 8, it is characterised in that: described step 1) in L band antenna and S band antenna use the left-handed and right-handed circular polarization by straight-through and coupling port phase place lead and lag relational implementation of 90 degree of electric bridges respectively.
10. combination multiplexing method according to claim 9, it is characterized in that: described step 1) in decussation a period of time antenna use and be supported and direct feed through the barron structure at L band antenna center, the irradiation structure of crossed dipole antenna adopts the radiation arm of lamellar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610268910.7A CN105811121B (en) | 2016-04-27 | 2016-04-27 | A kind of multiband aerial and the combination multiplexing method for realizing the antenna |
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| CN201610268910.7A CN105811121B (en) | 2016-04-27 | 2016-04-27 | A kind of multiband aerial and the combination multiplexing method for realizing the antenna |
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| CN105811121B CN105811121B (en) | 2018-11-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108550983A (en) * | 2018-06-08 | 2018-09-18 | 北京乾德永达科技有限公司 | A kind of three frequency range antenna structure of high-isolation ultrashort wave |
| WO2020011142A1 (en) * | 2018-07-12 | 2020-01-16 | Huawei Technologies Co., Ltd. | Combination sub-6 ghz and mmwave antenna system |
| CN116613513A (en) * | 2023-04-25 | 2023-08-18 | 西安电子科技大学 | Multi-frequency multifunctional combined multiplexing antenna |
| CN116632512A (en) * | 2022-07-28 | 2023-08-22 | 苏州市江海通讯发展实业有限公司 | A multi-band antenna integrated structure suitable for buoy narrow assembly space |
| CN117254263A (en) * | 2023-02-03 | 2023-12-19 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
| CN117293545A (en) * | 2023-02-03 | 2023-12-26 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
| WO2025001812A1 (en) * | 2023-06-28 | 2025-01-02 | 上海海积信息科技股份有限公司 | Composite antenna |
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| CN202423561U (en) * | 2011-12-31 | 2012-09-05 | 舟山雷大电子科技有限公司 | Feeder line duplex-combination communication antenna |
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| CN108550983A (en) * | 2018-06-08 | 2018-09-18 | 北京乾德永达科技有限公司 | A kind of three frequency range antenna structure of high-isolation ultrashort wave |
| CN108550983B (en) * | 2018-06-08 | 2024-04-26 | 北京乾德永达科技有限公司 | High-isolation ultrashort wave three-frequency-band integrated antenna structure |
| US11050138B2 (en) | 2018-07-12 | 2021-06-29 | Futurewei Technologies, Inc. | Combo sub 6GHz and mmWave antenna system |
| CN112385081A (en) * | 2018-07-12 | 2021-02-19 | 华为技术有限公司 | sub-6GHz and millimeter wave combined antenna system |
| CN112385081B (en) * | 2018-07-12 | 2021-12-28 | 华为技术有限公司 | sub-6GHz and millimeter wave combined antenna system |
| WO2020011142A1 (en) * | 2018-07-12 | 2020-01-16 | Huawei Technologies Co., Ltd. | Combination sub-6 ghz and mmwave antenna system |
| CN116632512A (en) * | 2022-07-28 | 2023-08-22 | 苏州市江海通讯发展实业有限公司 | A multi-band antenna integrated structure suitable for buoy narrow assembly space |
| CN117254263A (en) * | 2023-02-03 | 2023-12-19 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
| CN117293545A (en) * | 2023-02-03 | 2023-12-26 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
| CN117293545B (en) * | 2023-02-03 | 2024-11-29 | 苏州市江海通讯发展实业有限公司 | Multi-body multi-band composite antenna with integrated conducting function |
| CN116613513A (en) * | 2023-04-25 | 2023-08-18 | 西安电子科技大学 | Multi-frequency multifunctional combined multiplexing antenna |
| CN116613513B (en) * | 2023-04-25 | 2025-12-16 | 西安电子科技大学 | Multi-frequency multifunctional combined multiplexing antenna |
| WO2025001812A1 (en) * | 2023-06-28 | 2025-01-02 | 上海海积信息科技股份有限公司 | Composite antenna |
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| CN105811121B (en) | 2018-11-09 |
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