CN209016261U - A kind of digital multiple beam magnetic dipole array realization device for mobile terminal - Google Patents
A kind of digital multiple beam magnetic dipole array realization device for mobile terminal Download PDFInfo
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- CN209016261U CN209016261U CN201822031824.1U CN201822031824U CN209016261U CN 209016261 U CN209016261 U CN 209016261U CN 201822031824 U CN201822031824 U CN 201822031824U CN 209016261 U CN209016261 U CN 209016261U
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Abstract
The utility model discloses a kind of digital multiple beam magnetic dipole array realization devices for mobile terminal, including numeric field beam shaping network, magnetic-dipole antenna battle array is printed in analog-digital converter/digital analog converter, multichannel transmitting/receiving radio frequency front end.The utility model can form magnetic-dipole antenna phased array, characteristic with low profile, the covering of the easy of integration and face E broad beam, it is fed using the different phase-shift characterisitcs of numeric field beam shaping network, the beam scanning and multi-beam characteristic in the available face H, terminal device can satisfy using the scheme of Third Mate's magnetic-dipole antenna array and cover demand more than the three-dimensional space signal of hemisphere, wherein main space region meets dual polarization.
Description
Technical field
The utility model relates to a kind of millimeter wave digital multiple beam magnetic dipole array realization device for mobile terminal,
Belong to wireless communication technology field.
Background technique
Millimeter wave can provide extensive usable spectrum in future broadband wireless communication systems, for supporting wide signal bandwidth
Resource reaches the requirement of high data throughput in communication system.Although millimeter wave honeycomb has huge potentiality, millimeter wave
Electromagnetic wave under frequency can be by highly attenuating caused by free space path loss.Fortunately, shorter millimeter-wave signal
Wavelength can use aerial array in a smaller space, to obtain higher antenna gain, and by advanced multi-beam or
Beam scanning technology realizes the flexibilities of millimeter-wave systems.
Digital multi-beam technology uses advanced numeric field beam shaping technology, and precoding MIMO communication system can be simultaneously
Multiple wave beams are generated, or complete the dynamic scan of multiple wave beams, single user and the data of the MIMO of multi-user is supported to spread
It is defeated, better signal coverage rate is completed, the efficiency of millimeter wave cellular communication is improved.
For application scenarios such as mobile terminals such as mobile phone, tablet computer, laptop, the comprehensive of signal radiation is covered
Lid ability is also of practical significance very much.However single digital multiple beam array is used, limited coverage area is scanned, is not able to satisfy
The demand that hand-held terminal device signal is covered all around in entire three-dimensional space upper half spherical surface.For this practical problem, industry
Up to the present there are no specific solutions, but with the quickly development of millimeter-wave communication system, propose that a kind of terminal is set
Standby signal radiation cover all around solution necessity and practical significance it is self-evident.
Utility model content
The purpose of this utility model is exactly to solve the immature of prior art and what is provided a kind of can be integrated in
Digital multiple beam array realization device in terminal device has end-fire radiation, beam scanning, multi-beam antenna special in performance
Property has many advantages, such as low profile, lightweight material, easy of integration and conformal convenient in structure；Particularly, it sets being applied to mobile phone terminal
When standby upper, making terminal device is more than the three-dimensional space signal covering demand of hemisphere, and wherein main space region meets dual polarization spy
Property.
In order to solve the above technical problems, the utility model provides a kind of digital multiple beam magnetic dipole for mobile terminal
Subarray realization device, including numeric field beam shaping network, analog-digital converter/digital analog converter, multichannel hair
Penetrate/receive radio frequency and magnetic-dipole antenna array；The magnetic-dipole antenna array includes several based on semi open model substrate collection
At the magnetic-dipole antenna unit of waveguide resonant cavity.
Further, the magnetic-dipole antenna unit includes top dielectric plate and layer dielectric plate, is situated between on the upper layer
The upper and lower surfaces of scutum are equipped with metal floor, and the metallization VIA group being contained in top dielectric plate constitutes semi-open
The lower surface of formula substrate integration wave-guide resonant cavity, the layer dielectric plate is equipped with microstrip line, and the semi open model substrate integrates wave
It leads and is equipped with feed probes in resonant cavity, the signal transmitted in microstrip line is coupled into semi open model substrate by feed probes and integrates
Waveguide resonant cavity.
Further, the metallization VIA group being contained in top dielectric plate constitutes semi open model substrate collection open on one side
At waveguide resonant cavity.
Further, adjacent one row's metallization VIA of magnetic-dipole antenna units shared, as semi open model substrate collection
The one side being closed at waveguide resonant cavity.
Further, the feed probes are respectively positioned on metallization VIA group and constitute semi open model substrate integration wave-guide resonance
The central axis of chamber position on the upper side.
Further, in the metal floor of the lower surface of the top dielectric plate, and feed probes position corresponding section,
It is greater than the area of knockout of feed probes projected area equipped with one piece of area.
Further, the multichannel emittor/receiver include local oscillator frequency multiplier, passive frequency mixer, power amplifier,
Low-noise amplifier, two substrate integration wave-guide bandpass filters.
The utility model has the advantages that a kind of digital multiple beam magnetic dipole array for mobile terminal of the utility model realizes dress
It sets, it has the following characteristics that
1, there is end-fire antenna pattern.Because it, which is radiated, is generated by the opening side of integrated wave guide resonance chamber,
It is able to achieve the directed radiation in the waveguide direction of propagation.
2, there is wider beam angle in the face E, it is easy to accomplish the wide-angle of signal covers；Further, Third Mate is utilized
The signal covering of the entire upper half spherical surface of terminal device may be implemented in aerial array.
3, wave beam can scan.Aerial array is fed using the out of phase characteristic that numeric field is formed, may be implemented
The effect of beam scanning.
4, simultaneous multiple beams.Aerial array is presented using multiple and different phase characteristics that numeric field is formed simultaneously
The effect of multi-beam may be implemented in electricity.
5, structure is simple, handling ease, and because being made on dielectric substrate, using PCB technology, so antenna profile
It is low, light-weight, be conducive to mass production, easy of integration in terminal device.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model digital multiple beam array；
Fig. 2 is the transmitting of the utility model millimeter wave digital multiple beam array and reception circuit structure diagram；
Fig. 3 is the utility model digital multiple beam array antenna array structure figure；
In figure, 1 it is top dielectric plate, 2 is metal floor, 3 is layer dielectric plate, 4 is metallization VIA group, 5 is feed
Probe, 6 be microstrip line, 7 be microstrip line, 8 be microstrip line, 9 be microstrip line, 10 be array antenna；
Fig. 4 is that mobile phone terminal utilizes the utility model digital multiple beam array (Third Mate) to realize that millimetre-wave attenuator signal is more than
The scheme of the three-dimensional space covering of hemisphere；
Fig. 5 is the face the actual measurement directional diagram E result of the utility model individual antenna unit；
Fig. 6 is the face the actual measurement directional diagram H result of the utility model individual antenna unit；
Fig. 7 is the utility model digital multiple beam array E surface wave beam scanning design result；
Fig. 8 is the face the utility model digital multiple beam array E multi-beam design result；
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Present embodiment discloses a kind of number for mobile terminal (such as mobile phone, tablet computer, laptop) is more
Beam array realization device includes numeric field beam shaping network, then arrives analog-digital converter/digital analog converter first
It is finally magnetic-dipole antenna array with multichannel transmitting/receiving radio frequency front end.The present embodiment uses four magnetic-dipole antennas
Unit has end-fire feature.
The magnetic-dipole antenna array of Fig. 3, including several magnetic-dipole antenna units, the magnetic-dipole antenna unit upper layer
Dielectric-slab 1 and layer dielectric plate 3, wherein the material of top dielectric plate 1 is Taconic TLY-5, with a thickness of 1.52mm, on upper layer
The upper and lower surfaces of dielectric-slab 1 are equipped with metal floor 2, and the metallization VIA group 4 being contained in top dielectric plate 1 is constituted
One side semi open model substrate integration wave-guide resonant cavity, the hole period of metallization VIA group 4 are 0.75mm, the semi open model of composition
Substrate integration wave-guide resonant cavity width is 6.4mm, constitutes the metallization VIA diameter of semi open model substrate integration wave-guide resonant cavity
For 0.5mm, the substrate integrated waveguide medium where resonant cavity is with a thickness of 1.575mm.The layer dielectric plate 3, material upper layer are situated between
As scutum 1, with a thickness of 0.254mm.There is microstrip line in the lower surface of layer dielectric plate 3, the signal transmitted in microstrip line passes through
Feed probes 5 are coupled into semi open model substrate integration wave-guide resonant cavity.In the metal floor of 1 lower surface of top dielectric plate,
With 5 position corresponding section of feed probes, there is one piece of area of knockout for being slightly larger than 5 projected area of feed probes, it is short to avoid signal
Road.
The feed probes 5 of the present embodiment are realized by the metallization VIA that diameter is 0.5mm, and are 1mm, medium by width
Microwave adapter is linked to a thickness of the microstrip line of 0.254mm, All Media material selects Taconic TLY-5.
In the present embodiment, adjacent one row's metallization VIA of magnetic-dipole antenna units shared, as semi open model substrate collection
The one side being closed at waveguide resonant cavity.
The feed probes of each antenna element are respectively positioned on metallization VIA group, and to constitute semi open model substrate integration wave-guide humorous
Shake the central axis position on the upper side of chamber, specially the central axis of semi open model substrate integration wave-guide resonant cavity and apart from resonant cavity bottom edge
At 3.95mm, to reach good impedance matching performance.
The emittor/receiver of the present embodiment includes RF switch/duplexer, local oscillator frequency multiplier, passive frequency mixer, power
Amplifier, low-noise amplifier and radio frequency band filter.
Passive frequency mixer is used to intermediate-freuqncy signal being converted into radiofrequency signal, since passive frequency mixer needs high-frequency high-power
Local oscillator driving, therefore the local oscillator with good noise performance is provided using a local oscillator frequency multiplier (integrated with driving amplifier)
Signal, power amplifier complete transmitting signal amplification, and low-noise amplifier is for receiving signal amplification, RF switch/duplexer
It completes transmitting and receives switching, radio frequency band filter is for inhibiting radio-frequency transmissions and received harmonic wave and spuious.
The numeric field of the present embodiment realizes beam shaping network, i.e., by handling in numeric field signal, Ke Yiling
Work obtains different phase-shift characterisitcs, finally feeds to magnetic-dipole antenna array, and then obtain the inclined of antenna array beam
Turn and scan, or obtains multiple wave beams simultaneously.
As shown in figure 4, when this aerial array is applied to the communication of millimeter wave terminal, the present embodiment proposed adoption Third Mate's antenna array
Column are mounted on upper side, left side and the right side of terminal device, are respectively intended to realize top, the left and right of terminal device
The signal covering in three directions.Broad beam characteristic by means of magnetic-dipole antenna array pattern in its face H, is able to achieve one kind
It solves the three-dimensional space that terminal device is more than hemisphere and covers demand, wherein main space region meets dual polarization characteristic.
Antenna impedance bandwidth test is as a result, cover 24.75GHz to the 27.5GHz range of 5G frequency range as seen from Figure 5.
Fig. 6,7 be the face antenna element E and the face H directional diagram, it can be seen that the antenna its face H have good big angle
Spend covering power.
Fig. 8 show the face the E directional diagram of the digital multiple beam magnetic dipole array, it can be seen that it is with scanning beam
Ability.
Claims (7)
1. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal, it is characterised in that: successively include number
Word domain beam shaping network, analog-digital converter/digital analog converter, multichannel emittor/receiver and magnetic dipole
Aerial array；
The numeric field beam shaping network, is handled signal in numeric field, different phase-shift characterisitcs is obtained, to magnetic dipole
Sub-antenna array is fed；
The signal received is carried out modulus or digital-to-analogue conversion by the analog-digital converter/digital analog converter；
The multichannel emittor/receiver emits radiofrequency signal or receives radiofrequency signal；
The magnetic-dipole antenna array carries out wave beam deflection and scanning by the radiofrequency signal received, or generates simultaneously more
A wave beam；
The magnetic-dipole antenna array includes several magnetic-dipole antennas based on semi open model substrate integration wave-guide resonant cavity
Unit.
2. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal according to claim 1,
Be characterized in that: the magnetic-dipole antenna unit includes top dielectric plate and layer dielectric plate, in the upper of the top dielectric plate
Surface and lower surface are equipped with metal floor, and the metallization VIA group being contained in top dielectric plate constitutes semi open model substrate collection
At waveguide resonant cavity, the lower surface of the layer dielectric plate is equipped with microstrip line, the semi open model substrate integration wave-guide resonant cavity
Interior to be equipped with feed probes, the signal transmitted in microstrip line is coupled into semi open model substrate integration wave-guide resonance by feed probes
Chamber.
3. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal according to claim 2,
Be characterized in that: it is humorous that the metallization VIA group being contained in top dielectric plate constitutes semi open model substrate integration wave-guide open on one side
Shake chamber.
4. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal according to claim 2,
It is characterized in that: adjacent one row's metallization VIA of magnetic-dipole antenna units shared, it is humorous as semi open model substrate integration wave-guide
The one side for chamber closure of shaking.
5. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal according to claim 2,
Be characterized in that: the feed probes are located at metallization VIA group and constitute the central axis of semi open model substrate integration wave-guide resonant cavity
Position on the upper side.
6. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal according to claim 2,
It is characterized in that: in the metal floor of the lower surface of the top dielectric plate, with feed probes position corresponding section, being equipped with one piece
Area is greater than the area of knockout of feed probes projected area.
7. a kind of digital multiple beam magnetic dipole array realization device for mobile terminal according to claim 1,
Be characterized in that: the multichannel emittor/receiver includes RF switch/duplexer, local oscillator frequency multiplier, passive frequency mixer, function
Rate amplifier, low-noise amplifier and radio frequency band filter；The local oscillator frequency multiplier provides local oscillation signal to passive frequency mixer
Carrying out local oscillator driving makes intermediate-freuqncy signal be converted to radiofrequency signal；The RF switch/duplexer realizes the transmitting and reception of signal
Switching, the power amplifier complete amplification transmitting signal；The low-noise amplifier receives signal for amplifying；The radio frequency
Bandpass filter is used to inhibit to emit signal and the reception harmonic wave of signal and spuious；
When carrying out signal transmitting, the radiofrequency signal that passive frequency mixer generates successively passes through power amplifier and radio frequency bandpass filtering
Device feeds magnetic-dipole antenna array；
When carrying out signal reception, by the signal of antenna array receiver, it is sent to multichannel receiving radio frequency front end, into simulation number
Word converter is handled finally by numeric field Wave-packet shaping network.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822031824.1U CN209016261U (en) | 2018-12-05 | 2018-12-05 | A kind of digital multiple beam magnetic dipole array realization device for mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822031824.1U CN209016261U (en) | 2018-12-05 | 2018-12-05 | A kind of digital multiple beam magnetic dipole array realization device for mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638423A (en) * | 2018-12-05 | 2019-04-16 | 东南大学 | A kind of digital multiple beam magnetic dipole array realization device for mobile terminal |
| CN112490687A (en) * | 2020-10-30 | 2021-03-12 | 西安空间无线电技术研究所 | Method for realizing single-aperture multi-feed-source multi-beam feed source assembly |
-
2018
- 2018-12-05 CN CN201822031824.1U patent/CN209016261U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638423A (en) * | 2018-12-05 | 2019-04-16 | 东南大学 | A kind of digital multiple beam magnetic dipole array realization device for mobile terminal |
| CN109638423B (en) * | 2018-12-05 | 2024-05-17 | 东南大学 | Digital multi-beam magnetic dipole array implementation device for mobile terminal |
| CN112490687A (en) * | 2020-10-30 | 2021-03-12 | 西安空间无线电技术研究所 | Method for realizing single-aperture multi-feed-source multi-beam feed source assembly |
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