CN110535488A - A kind of millimeter-wave communication system of the directive antenna fixed based on direction - Google Patents
A kind of millimeter-wave communication system of the directive antenna fixed based on direction Download PDFInfo
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- CN110535488A CN110535488A CN201910904380.4A CN201910904380A CN110535488A CN 110535488 A CN110535488 A CN 110535488A CN 201910904380 A CN201910904380 A CN 201910904380A CN 110535488 A CN110535488 A CN 110535488A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/247—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching by switching different parts of a primary active element
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
A kind of millimeter-wave communication system of directive antenna fixed based on direction disclosed by the invention, including the transmitter for generating transmitting antenna signal, output end is connected to mutiple antennas；A switch is provided on the connecting path of the output end of each antenna and the transmitter；For the receiver of receiving antenna signal, input terminal is connected to multiple switches to be connected to the multiple antenna；The multiple antenna includes the fixed directive antenna of multiple directions, and the fixed directive antenna in the multiple direction is arranged to fixed towards multiple and different directions.Millimeter-wave communication system disclosed in the present invention has structure simple, the characteristic of track algorithm simplicity and power saving, and communication system signal-to-noise ratio can be improved and increase communication coverage.
Description
Technical field
The invention belongs to millimetre-wave attenuator technical fields, and in particular to a kind of milli of the directive antenna fixed based on direction
Metric wave communication system.
Background technique
The method that traditional millimeter-wave communication system mostly uses antenna beam to form and track, which reaches, finds peak signal simultaneously
The method kept in communication, structure is general as shown in Figure 1, it generally uses AIP (encapsulation built-in antenna) antenna array scheme (example
Such as microstrip antenna, dipole antenna), emit signal by shifting to device, antenna is reached with different phases, such out of phase
The effect for enhance or being slackened on transmitting signal skyborne some or certain directions synthesizes in the angle enhanced in multi signal
Wave beam is formed, antenna gain is formed, energy is converged in into this direction.When receiving path works, mechanism is similar.
But this traditional aerial array method requires multichannel millimetre-wave circuit to work at the same time, because it uses power distribution
Device and digital phase shifter, circuit fabrication is at high cost, and the amplitude-phase between each channel is calibrated also extremely complex, power consumption also compared with
Greatly.In addition, beamforming algorithm is also more complicated.In short, traditional complete beam forming and tracking by aerial array
Method, it is larger that there are power consumptions, and circuit is complicated, and calibration is complicated, the disadvantage of algorithm complexity.
Meanwhile the method for general AiP (encapsulation built-in antenna), this method is unfavorable for integrator, and (such as mobile phone is integrated
Quotient) flexible design.For example, double-sided screen designs, the design problem of millimeter wave antenna, which just compares, in metal edge frame design is difficult to solve.
If antenna is the design based on screen, traditional phased array mode is due to the higher high light transmission difficult to realize of line density, thin sky
Between under phase shift array, furthermore AiP antenna is located at interior of mobile phone, and it is linear that the loss of shell and shape inconsistency also will affect day
Energy.
Summary of the invention
In order to overcome the above technical defects, the millimeter wave that the present invention provides a kind of directive antenna fixed based on direction leads to
Letter system, simple with structure, track algorithm is easy and the characteristic of power saving and can easily realize while receive multiple directions
Signal and the performance that synthesizes, can be used for improving communication system signal-to-noise ratio, increase communication coverage.
To solve the above-mentioned problems, the present invention is achieved by following technical scheme:
A kind of millimeter-wave communication system of the directive antenna fixed based on direction, comprising:
For generating the transmitter of transmitting antenna signal, output end is connected to mutiple antennas；Each antenna and institute
It states and is provided with a switch on the connecting path of the output end of transmitter；
For the receiver of receiving antenna signal, input terminal is connected to multiple switches to be connected to the multiple day
Line；
The multiple antenna includes the fixed directive antenna of multiple directions, the fixed directive antenna in the multiple direction
It is arranged to fixed towards multiple and different directions, specifically, considering the occlusion effect of manpower, some antennas should be provided with
Direction carries out part direction to repeat covering.
Compared with the existing technology, the invention has the benefit that
A kind of millimeter-wave communication system of directive antenna fixed based on direction disclosed by the invention, does not include antenna
Only has single access with the part of switch, no phase shifter has structure simple, tracking without traditional phased array antenna calibration
Algorithm simplicity and the characteristic of power saving, also, after increase access, it can easily realize while receive signal and the synthesis of multiple directions
Technical effect, can be improved communication system signal-to-noise ratio and increase communication coverage.
As a further improvement of the present invention, the transmitter is super-heterodyne architecture or Direct Conversion structure, the reception
Machine is super-heterodyne architecture or Direct Conversion structure.
As a further improvement of the present invention, the transmitter includes:
For exporting the upconverter of intermediate-freuqncy signal, output end is connected to the input terminal of the first frequency mixer；
For exporting the transmitting local oscillator of transmitting local oscillation signal, output end is connected to the input terminal of first frequency mixer；
First frequency mixer, output end are connected to the input terminal of the power amplifier；
The power amplifier, output end are connected to multiple switches to be connected to the multiple antenna；
The receiver includes:
For the low-noise amplifier of receiving antenna signal, it is described to be connected to that input terminal is connected to multiple switches
Mutiple antennas；
Second frequency mixer, input terminal are connected to the output end of the low-noise amplifier；
For exporting the reception local oscillator for receiving local oscillation signal, output end is connected to the input terminal of second frequency mixer；
Low-converter, input terminal are connected to the output end of second frequency mixer.
As a further improvement of the present invention, this system further includes a duplexer；
Connecting path between the power amplifier and the switch of the low-noise amplifier and the antenna is equal
Pass through the duplexer.
As a further improvement of the present invention, this system further includes a power divider and a power combiner；
The output end of first frequency mixer is connected to the input terminal of the power divider, the power divider it is defeated
Outlet is connected to multiple switches by a plurality of transmitting path to be connected to the multiple antenna；In each transmitting path
It is provided with phase shifter and power amplifier；
The input terminal of second frequency mixer is connected to the output end of the power combiner, the power combiner it is defeated
Enter end and multiple switches are connected to be connected to the multiple antenna by a plurality of receiving path；In each receiving path
It is provided with phase shifter and low-noise amplifier.
As a further improvement of the present invention, the fixed directive antenna in the direction is electromagnetic horn, gradual change fluting day
Line, to opening up the fixed antenna array in antenna, micro-strip antenna array, slot antenna array or dipole antenna array or other directions.
As a further improvement of the present invention, the multiple antenna further includes in phased array antenna and moderate directivity antenna
It is one or two kinds of.
As a further improvement of the present invention, it is provided with frequency multiplier between the transmitting local oscillator and first frequency mixer, institute
It states to receive and is provided with frequency multiplier between local oscillator and second frequency mixer.
As a further improvement of the present invention, the multiple antenna is arranged before multiple radio-frequency front-ends, the multiple radio frequency
End is connected to the receiver by multiple-pole switch.
As a further improvement of the present invention, the fixed directive antenna in the direction is to enhance direction using left-handed material
The antenna of property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional millimeter-wave communication system described in background technology of the invention；
Fig. 2 is the millimetre-wave attenuator system based on the fixed directive antenna in direction described in the specific embodiment of the invention
The structural schematic diagram of system；
Fig. 3 is the concrete structure schematic diagram of transmitter and receiver described in the specific embodiment of the invention；
Fig. 4 is the structural representation of further improved millimeter-wave communication system described in the specific embodiment of the invention
Figure；
Fig. 5 is in the both direction of further improved millimeter-wave communication system described in the specific embodiment of the invention
Signal simultaneously received schematic diagram.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Fig. 2, the millimeter wave that present embodiment discloses a kind of directive antenna fixed based on direction is logical
Letter system, including transmitter, receiver and mutiple antennas.Specifically, the output of the transmitter for generating transmitting antenna signal
End is connected to mutiple antennas；A switch is provided on the connecting path of the output end of each antenna and transmitter.Specifically, being used for
The input terminal of the receiver of receiving antenna signal is connected to multiple switch to be connected to mutiple antennas.Specifically, mutiple antennas packet
The fixed directive antenna of multiple directions is included, the fixed directive antenna of multiple directions is arranged to fixed towards multiple and different
Direction.
By system disclosed above, only has single access, no phase shifter is calibrated without traditional phased array, tool
Have that structure is simple, track algorithm is easy and the characteristic of power saving, after increasing access, communication system signal-to-noise ratio can be improved and increase logical
Believe coverage area.
Specifically, transmitter described in the present embodiment can use super-heterodyne architecture, Direct Conversion knot can also be used
Structure, similarly, receiver can use super-heterodyne architecture or Direct Conversion structure, and those skilled in the art can be according to actual need
It asks and is selected, regardless of using any structure, should all be considered including among the protection scope of the application.
Physical circuit structure below with reference to Fig. 3 to the millimeter-wave communication system in the present embodiment when using super-heterodyne architecture
At being further elaborated, as shown in figure 3, transmitter includes upconverter, transmitting local oscillator, the first frequency mixer and power amplification
Device, receiver include low-noise amplifier, the second frequency mixer, receive local oscillator and low-converter.
Specifically, the output end of upconverter and the output end of transmitting local oscillator are connected to the first frequency mixer in transmitter
Input terminal, emit and be provided with frequency multiplier between local oscillator and the first frequency mixer, the output end of the first frequency mixer is connected to power amplification
The output end of the input terminal of device, power amplifier is connected to multiple switches by duplexer to be connected to the multiple day
Line；The transmitter being arranged in this way, the base band I/Q signal to be emitted pass through upconverter first and upconvert on intermediate frequency and become
Intermediate-freuqncy signal, intermediate-freuqncy signal enter the first frequency mixer, with transmitting local oscillator output transmitting local oscillation signal in the first frequency mixer into
Row mixing generates the millimeter wave modulated signal to be emitted, and millimeter wave modulated signal is transmitted after being amplified by power amplifier
To duplexer, the transmitting signal for reaching duplexer passes to the fixed directionality day in a best direction of effect by switching group
Line.
Specifically, the input terminal of the low-noise amplifier for receiving antenna signal is by duplexer to connect in receiver
Multiple switch is connected to be connected to mutiple antennas, the input terminal of the second frequency mixer is connected to the output end of low-noise amplifier, uses
It is connected to the input terminal of the second frequency mixer in the output end that output receives the reception local oscillator of local oscillation signal, local oscillator and second is received and mixes
Frequency multiplier is provided between frequency device, the output end of the second frequency mixer is connected to the input terminal of low-converter.What is be arranged in this way connects
Receipts machine, low-noise amplifier amplify the aerial signal received by duplexer first, and are transmitted to the second frequency mixer,
It carries out being mixed in the second frequency mixer with the reception local oscillation signal for receiving local oscillator output and generates receiving intermediate frequency signal, receive intermediate frequency letter
Number passing through low-converter carries out frequency conversion and demodulation.
It should be noted that the present invention is not only suitable for Frequency Division Duplex FDD, also it is suitble to Time Division Duplex TDD, i.e. appropriate bands duplex
The scene of device is also suitble to the scene without duplexer, such as duplexer can not be used under conditions of Time Division Duplex TDD, or logical
Low-noise amplifier and power amplification can be allowed by crossing in the case that aerial array isolation obtains relatively good transceiver insulation effect
Device is directly connect with the switch of antenna, and is not provided with duplexer.
Specifically, a further improvement of the present invention is that, this system further includes a power divider and a power combiner；
The output end of first frequency mixer is connected to the input terminal of power divider, and the output end of power divider passes through a plurality of transmitting path
Multiple switch is connected to be connected to mutiple antennas；Phase shifter and power amplifier are provided in each transmitting path；Second is mixed
The input terminal of frequency device is connected to the output end of power combiner, and the input terminal of power combiner is connected to by a plurality of receiving path
Multiple switch is to be connected to mutiple antennas；Phase shifter and low-noise amplifier are provided in each receiving path.
Fig. 4 shows above-mentioned improved a kind of situation of the invention, as shown in figure 4, the output end of power divider passes through
Two transmitting paths are connected to multiple switch to be connected to mutiple antennas；It is provided with phase shifter in each transmitting path and power is put
Big device；The input terminal of power combiner is connected to multiple switch by two receiving paths to be connected to mutiple antennas；It is each to connect
It receives and is provided with phase shifter and low-noise amplifier on access.Specifically, each transmitting path and a receiving path pass through one simultaneously
A duplexer is to carry out signal isolation, as previously mentioned, obtaining relatively good transceiver insulation effect by aerial array isolation
In the case of can be not provided with duplexer.
Circuit in Fig. 4 is realized by power divider and power combiner while receiving and emitting the mesh of two paths of signals
's.An Antenna Operation, the function that system is simultaneously scanned other antennas may be implemented in this way.It should be noted that In
It realizes an Antenna Operation, when the function that system is simultaneously scanned other antennas, can not also be set with the circuit in Fig. 4
Set duplexer.
Another benefit of structure in Fig. 4 can be achieved on while receiving the signal in both direction, as shown in figure 5,
The signal of antenna for base station reflects to form two signals by building 3 and building 2, and the equipment for being equipped with this system is same
When receive, while receiving signal and needing to carry out phase measurements, Fig. 4 has marked the position of phase shifter, likewise, can also be by phase shift
Device is put into late-class circuit, such as base band combiner circuit, and system signal noise ratio can be improved in this way, increases coverage area.
Based on the thinking in Fig. 4, those skilled in the art, which have, successively designs more transmitting paths and to receive access same
When the structure received and dispatched, the number the more more help to improve system signal noise ratio, increase coverage area.But balance power consumption is needed, cost,
Algorithm complexity.
As further improvement of this embodiment, direction in this system it is fixed directive antenna can there are many choosings
It selects, such as the electromagnetic horn in aperture antenna, gradual change slot antenna or to opening up the single ports high-gain aerial such as antenna, or serial feedback
Electric microstrip antenna or slot antenna or dipole antenna, or be parallel feed microstrip antenna or slot antenna or dipole day
Line, goes here and there and the array of microstrip antenna or slot antenna or dipole antenna combined or other kinds of direction
Property antenna.Specifically, the directive antenna that the direction in this system is fixed may be that left-handed material is utilized to enhance directionality
Antenna.Further, the case where scheme in the present invention covers the single or a variety of mixing of above-mentioned antenna type.
As further improvement of this embodiment, mutiple antennas further includes one in phased array antenna and moderate directivity antenna
Kind or two kinds, i.e., the fixed directive antenna of mutiple antennas coverage direction in this system, moderate directivity antenna or phased array
The case where array antenna is used alone or be used in mixed way, in such cases, this system at least will include that one group of direction is fixed
Directive antenna.Specifically, mutiple antennas can be used cooperatively in this system for low gain wide cut valve antenna and narrow beam antenna,
Low-gain antenna can be first passed through and slightly find strong signal direction, then sense is accurately positioned by narrow beam antenna.Specifically,
When this system receiving antenna signal, each high-gain aerial (for example is preferentially switched in certain sequence by switch and closes on angle
Antenna on) be connected in receiving path by turns, receiver can according to the size of the signal that every directive antenna receives or
Quality, to judge which root antenna switch should be connected on.
Further, the wider antenna in utilization orientation angle or the less phased array antenna rough estimate strong signal of unit
Best angle, thin choosing then is carried out to determine which root antenna receiver should be connected to the directive antenna of fixed angle again
On.
It can in order to meet the dispersibility of multiple directions antenna spatially as the further improvement of the present embodiment
Multiple radio-frequency front-ends to be arranged in the equipment of this system to be arranged, mutiple antennas is separately positioned on multiple radio-frequency front-ends, more
A radio-frequency front-end is connected to receiver by multiple-pole switch.Multipole switch can be used for the multiple directions in multiple radio-frequency front-ends
Property antenna is selected, in order to which receiver screens mutiple antennas.
It can be by the low-noise amplifier and function of front end to reduce transmission loss as the further improvement of the present embodiment
Rate amplifier is put near each antenna, to shorten the distance between they.It further, is to reduce transmission loss, it can be with
Using intermediate-freuqncy signal as long distance transmission signal, and switching circuit is added to carry out route choosing in intermediate-freuqncy signal.
Specifically, the fixed antenna in direction in the present embodiment can have a different polarization directions, for example, vertical polarization and
Horizontal polarization, at this time to realize mostly into the effect for having more (MIMO), receiving terminal may at least two-way, transmitting terminal also will at least two
Road is respectively used to the reception of different polarization direction signals.
Millimeter-wave communication system disclosed in the present embodiment, it is suitable for: laptop, robot, monitor, camera shooting
Head, embedded computer, tablet computer, mobile phone, media player, projector, video camera, film shooting machine or other are portable
Equipment, wrist strap, watch, earphone, intelligent glasses, Flying Camera or other electronic products that can be dressed, TV, display screen, navigation
Equipment, automobile mounted equipment (sensor, communication, radar, car networking), Internet of Things telecommunication circuit, base station antenna system, game
Machine, the electronic equipments such as AR, VR.Millimeter-wave communication system in the present embodiment, by simply switch realize beam forming with
On the one hand wave beam tracking reduces complex work and circuit that power consumption saves circuit calibration again, is on the other hand very suitable to set
Standby designer flexibly carries out equipment design according to different specific appearance demands, in addition, can be obtained more using multi-passage design
High signal-to-noise ratio and coverage area.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
Without departing from the technical solutions of the present invention, according to the technical essence of the invention it is to the above embodiments it is any modification,
Equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of millimeter-wave communication system of the directive antenna fixed based on direction characterized by comprising
For generating the transmitter of transmitting antenna signal, output end is connected to mutiple antennas；Each antenna and the hair
It penetrates on the connecting path of the output end of machine and is provided with a switch；
For the receiver of receiving antenna signal, input terminal is connected to multiple switches to be connected to the multiple antenna；
The multiple antenna includes the fixed directive antenna of multiple directions, and the fixed directive antenna in the multiple direction is set
It is set to fixed towards multiple and different directions.
2. the millimeter-wave communication system according to claim 1 based on the fixed directive antenna in direction, which is characterized in that institute
Stating transmitter is super-heterodyne architecture or Direct Conversion structure, and the receiver is super-heterodyne architecture or Direct Conversion structure.
3. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 1, which is characterized in that
The transmitter includes:
For exporting the upconverter of intermediate-freuqncy signal, output end is connected to the input terminal of the first frequency mixer；
For exporting the transmitting local oscillator of transmitting local oscillation signal, output end is connected to the input terminal of first frequency mixer；
First frequency mixer, output end are connected to the input terminal of the power amplifier；
The power amplifier, output end are connected to multiple switches to be connected to the multiple antenna；
The receiver includes:
For the low-noise amplifier of receiving antenna signal, it is the multiple to be connected to that input terminal is connected to multiple switches
Antenna；
Second frequency mixer, input terminal are connected to the output end of the low-noise amplifier；
For exporting the reception local oscillator for receiving local oscillation signal, output end is connected to the input terminal of second frequency mixer；
Low-converter, input terminal are connected to the output end of second frequency mixer.
4. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 3, which is characterized in that
It further include a duplexer；
Connecting path between the power amplifier and the switch of the low-noise amplifier and the antenna passes through
The duplexer.
5. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 3, which is characterized in that
It further include a power divider and a power combiner；
The output end of first frequency mixer is connected to the input terminal of the power divider, the output end of the power divider
Multiple switches are connected to by a plurality of transmitting path to be connected to the multiple antenna；It is arranged in each transmitting path
There are phase shifter and power amplifier；
The input terminal of second frequency mixer is connected to the output end of the power combiner, the input terminal of the power combiner
Multiple switches are connected to by a plurality of receiving path to be connected to the multiple antenna；It is arranged in each receiving path
There are phase shifter and low-noise amplifier.
6. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 1, which is characterized in that
The fixed directive antenna in the direction is electromagnetic horn, gradual change slot antenna, to opening up antenna, slot array, microstrip antenna
Battle array or antenna dipole array.
7. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 1, which is characterized in that
The multiple antenna further includes one or both of phased array antenna and moderate directivity antenna.
8. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 7, which is characterized in that
It is provided with frequency multiplier between the transmitting local oscillator and first frequency mixer, is arranged between the reception local oscillator and second frequency mixer
There is frequency multiplier.
9. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 1, which is characterized in that
The multiple antenna is arranged in multiple radio-frequency front-ends, and the multiple radio-frequency front-end is connected to the receiver by multiple-pole switch.
10. the millimeter-wave communication system of the directive antenna fixed based on direction according to claim 1, feature exist
In the fixed directive antenna in the direction is the antenna for enhancing directionality using left-handed material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904380.4A CN110535488A (en) | 2019-09-24 | 2019-09-24 | A kind of millimeter-wave communication system of the directive antenna fixed based on direction |
| PCT/CN2019/112235 WO2021056642A1 (en) | 2019-09-24 | 2019-10-21 | Millimeter-wave communication system based on directional antennas facing fixed directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904380.4A CN110535488A (en) | 2019-09-24 | 2019-09-24 | A kind of millimeter-wave communication system of the directive antenna fixed based on direction |
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| CN110535488A true CN110535488A (en) | 2019-12-03 |
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| WO (1) | WO2021056642A1 (en) |
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| CN111313153A (en) * | 2020-02-28 | 2020-06-19 | 维沃移动通信有限公司 | Antenna unit, antenna and electronic equipment |
| CN112152656A (en) * | 2020-08-21 | 2020-12-29 | 浙江卓盛科技有限公司 | Intelligent antenna system |
| CN113268140A (en) * | 2021-05-06 | 2021-08-17 | 青岛小鸟看看科技有限公司 | Virtual reality equipment and virtual reality system |
| CN114628919A (en) * | 2022-03-11 | 2022-06-14 | 上海旷通科技有限公司 | 5G active antenna assembly |
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