CN108461932A - A kind of analog beam shaped aerial array of low complex degree - Google Patents
A kind of analog beam shaped aerial array of low complex degree Download PDFInfo
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- CN108461932A CN108461932A CN201810090680.9A CN201810090680A CN108461932A CN 108461932 A CN108461932 A CN 108461932A CN 201810090680 A CN201810090680 A CN 201810090680A CN 108461932 A CN108461932 A CN 108461932A
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- phase shifter
- phase
- subarray
- digital phase
- analog beam
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- 230000005855 radiation Effects 0.000 claims abstract description 21
- 230000010363 phase shift Effects 0.000 claims abstract description 8
- 230000010287 polarization Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000003491 array Methods 0.000 abstract description 5
- 230000001934 delay Effects 0.000 abstract description 3
- 238000010295 mobile communication Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 230000000155 isotopic effect Effects 0.000 abstract 1
- 239000000306 component Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- 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
Abstract
The present invention discloses a kind of analog beam shaped aerial array of low complex degree, it is related to field of communication technology, including one or more has the subarray of independent analog beam figuration function, each subarray includes metallic reflection plate, antenna radiation unit array and digital phase shifter；Directly either unit group is connected at least one digital phase shifter with different digits or with the total range of different delays to the digital phase shifter with radiating element, can reduce its complexity by reducing the amount of phase shift of part phase shifter.Analog beam figuration scheme according to the ... of the embodiment of the present invention, pass through being applied in combination for the digital phase shifter of not isotopic number or the total range of different delays, reduce the complexity of Massive mimo antenna arrays, power consumption and cost are reduced, a kind of economic and more practical solution is provided for large-scale deployment 5G mobile communication system.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of analog beam shaped aerial arrays of low complex degree.
Background technology
5th Generation Mobile Communication System (5G) uses large-scale Multiinputoutput (Massive MIMO) technology, base station day
Line side disposes up to 64 or more antenna elements, while arranging mutiple antennas in mobile terminal, and space has been greatly enhanced
Multiplexing capacity realizes breakthrough innovation in Radio Transmission Technology, increases substantially spectrum efficiency and power efficiency.
Theoretically the Massive mimo systems with digital beamforming approach are with optimal performance, but need
Expensive digital-to-analogue/analog-to-digital conversion module, there are the problems such as of high cost, data transmission and treating capacity be excessive.Number combines simulation
Digital-to-analogue/analog-to-digital conversion module is placed in public passage by mixed-beam figuration mode, drastically reduces digital-to-analogue/analog-to-digital conversion module
Quantity, to reduce the complexity of system.
Mixed-beam figuration has become a research hotspot of 5G, and digital phase shifter is as its core component, then by more
Come more scholars and Corporation R ＆ D technical staff concern.Digital phase shifter applied in existing 5G technologies, using returning
One form, i.e., digit and amount of phase shift having the same；Phase shifters' digit is more, and the precision of beam-scanning angles is higher, but moves
Phase device itself and its control circuit are also more complicated, and cost and loss are obviously increased with the increase of digit and amount of phase shift.To work
In the dynamic beam shaped aerial of radio frequency, the digit and its amount of phase shift that reduce digital phase shifter as best one can are needed.
Invention content
The present invention, using beam form-endowing method problem encountered is mixed, is carried for 5G Massive mimo antenna arrays
For a kind of analog beam shaped aerial array of low complex degree；By radiating element or radiating element group match different digits or
The digital phase shifter of the total range of person's different delays reduces the phase shift digit or the total range of delay of part number phase shifter.This
Invention can locally simplify phase shifter design, reduce the complexity and cost of Massive mimo antenna arrays, to solve
Or alleviate the above-mentioned problems in the prior art at least partly.
To achieve the goals above, the present invention proposes a kind of analog beam shaped aerial array of low complex degree, including one
A or multiple subarrays for having separate analogue wave beam forming function, each subarray include metallic reflection plate, aerial radiation
Cell array and digital phase shifter, the subarray are connected with the radio-frequency front-end component positioned at public passage, the radio-frequency front-end
Component includes power amplifier (PA), low-noise amplifier (LNA) and filter；
The digital phase shifter is delayer or phase shifter form, and the phase pushing figure of delayer is linear with working frequency
Variation, the phase pushing figure of phase shifter are constant within the scope of working band；
The digital phase shifter directly in antenna radiation unit array radiating element or radiating element group be connected,
For the subarray that digital phase shifter is phase shifter, at least one digital phase shifter has different digits；Number is moved
Phase device uses the subarray of delayer, at least one digital phase shifter to have the different total ranges of delay.
Preferably, the radiating element is the antenna element of dual polarization or single polarization.
Preferably, each subarray includes the number of digital phase shifter, is less than or equal to the number of radiating element.
Preferably, each subarray is connected with one end of corresponding public passage, the other end and the number of public passage
Domain wave beam network connection, the public passage include at least power amplifier, frequency mixer and digital-to-analogue/analog-to-digital conversion module.
Preferably, the antenna radiation unit array of the subarray is in horizontal vertical two-dimensional arrangements, and line number and columns are big
In or equal to 2.
Preferably, the columns of the subarray radiation cell array is 4, line number 2.
Preferably, the digital phase shifter in the subarray is the phase shifter form of constant phase offset, it includes 4 and
3 two kinds of digital phase shifters, 4 bit digital phase shifters are by 0 °/22.5 °, 0 °/45 °, 0 °/90 ° and 0 °/180 ° four kinds of phase shifter lists
Member cascades, each phase shifter element includes two kinds of phase states；3 bit digital phase shifters are by three in 4 bit digital phase shifters
Kind phase shifter element cascades.
Preferably, the 4 bit digital phase shifters, wherein 0 °/22.5 ° phase shifter elements include 0 ° and 22.5 ° of two kinds of phases
Position state, 0 °/45 ° phase shifter elements include 0 ° and 45 ° of two kinds of phase states, and 0 °/90 ° phase shifter elements include 0 ° and 90 ° two
Kind phase state, 0 °/180 ° phase shifter elements include 0 ° and 180 ° of two kinds of phase states；Each phase shifter element can pass through radio frequency
Switch the amount of phase shift of control selections one of which.
Preferably, radiating element or radiating element group in subarray, a part 4 bit digital phase shifters of connection, remaining part
Divide connection 3 bit digital phase shifters.
Preferably, the radiating element horizontal distance in antenna radiation unit array is between working frequency range center frequency wavelength
Within the scope of 0.4~0.65 times；Radiating element vertical range is within the scope of 0.5~0.8 times of working frequency range center frequency wavelength.
The present invention proposes a kind of analog beam shaped aerial array of low complex degree, analog beam figuration according to the present invention
Scheme reduces answering for Massive mimo antenna arrays by reducing the digit or the total range of delay of part number phase shifter
Miscellaneous degree, reduces power consumption and cost, is provided for large-scale deployment 5G mobile communication system a kind of economical and more real
Solution.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the analog beam shaped aerial array structure schematic diagram of low complex degree in an embodiment of the present invention；
Fig. 2 is the antenna radiation unit array arrangement figure of an embodiment of the present invention neutron array；
The block diagram of 4 bit digital phase shifters in an embodiment of the present invention of the positions Fig. 3；
The block diagram of 3 bit digital phase shifters in an embodiment of the present invention of the positions Fig. 4.
Label declaration：
101 indicate sub-array antenna, and 102 indicate public passage, and 103 indicate numeric field wave beam network, and 110 indicate that radiation is single
Member, 111 indicate metallic reflection plate, and 112 indicate antenna radiation unit array, and 113 indicate that digital phase shifter, 114 expression power are put
Big device, 115 indicate frequency mixer, and 116 indicate that D/A converter module, 110-1 indicate that No. 1 radiating element, 110-2 indicate No. 2 radiation
Unit, 110-3 indicate that No. 3 radiating elements, 110-4 indicate that No. 4 radiating elements, 110-5 indicate that No. 5 radiating elements, 110-6 indicate
No. 6 radiating elements, 110-7 indicate that No. 7 radiating elements, 110-8 indicate that No. 8 radiating elements, 113-1 indicate 4 bit digital phase shifters,
113-2 indicates 3 bit digital phase shifters, and 201 indicate the first phase-shifting unit, and 202 indicate second of phase-shifting unit, and 203 indicate the
Three kinds of phase-shifting units, 204 indicate the 4th kind of phase-shifting unit；
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of analog beam shaped aerial array of low complex degree；
In a kind of preferred embodiment of the present invention, by taking downlink as an example, as shown in Figure 1, the analog wave of low complex degree
Beam shaped aerial array includes the M subarrays 101 for having independent analog beam figuration function, M corresponding public passages
102 and numeric field beam-forming network 103；Each subarray includes metallic reflection plate 111,112 and of antenna radiation unit array
Digital phase shifter 113；The digital phase shifter 113 is the phase shifter form with constant phase offset, is directly arranged at day
The rear end of beta radiation cell array 112.
In a kind of preferred embodiment of the present invention, the working frequency range ranging from 3.3-5.0GHz of digital phase shifter 113, jayrator
Number >=3；
In the embodiment of the present invention, as shown in Figure 1, the radio-frequency front-end of subarray 101 is placed on public passage 102, each radio frequency
Subchannel only retains digital phase shifter 113, is connect with radiating element 110；Public passage 102 includes power amplifier 114, mixing
Device 115 and D/A converter module 116；One end of public passage 102 is connected with subarray 101, and other end connects numeric field wave
Beam forms network 103.
In a kind of preferred embodiment of the present invention, number M >=2 of subarray 106；
In a kind of preferred embodiment of the present invention, the antenna radiation unit array 112 includes the radiating element of P rows Q row
110, wherein line number P >=2, columns Q >=2, preferred line number Q=2, columns P=4, as shown in Fig. 2, in figure, 110-1 to 110-
8 indicate that 8 radiating elements, radiating element working frequency range are 3.3-5.0GHz respectively；
In a kind of preferred embodiment of the present invention, the radiating element 110 is the antenna element of single polarization.
In a kind of preferred embodiment of the present invention, the digital phase shifter 113 is the modular phase shifter for being operated in radio frequency
Or distributed phase shifters.
In a kind of preferred embodiment of the present invention, the radiating element, horizontal distance is working frequency range center frequency wavelength
0.5 times；Vertical range is 0.75 times of working frequency range center frequency wavelength.
In a kind of preferred embodiment of the present invention, the digital phase shifter includes two kinds, and one is 4 bit digital phase shifters
, another is 3 bit digital phase shifters.4 bit digital phase shifter 113-1 include four kinds of phase-shifting units, as shown in figure 3, the
A kind of phase-shifting unit 201 includes 0 ° and 22.5 ° of two kinds of phase states, and second of phase-shifting unit 202 includes 0 ° and 45 ° of two kinds of phases
State, the third phase-shifting unit 203 include 0 ° and 90 ° of two kinds of phase states, and the 4th kind of phase-shifting unit 204 includes 0 ° and 180 ° two
Kind phase state.3 bit digital phase shifter 113-2 include three kinds of phase-shifting units, as shown in figure 4, including second of phase-shifting unit
202, the third phase-shifting unit 203 and the 4th kind of phase-shifting unit 204.
In a kind of preferred embodiment of the present invention, in the radiation cell array of subarray shown in Fig. 2,110-1,110-4,
110-5, No. 110-8 single polarization oscillator 3 bit digital phase shifter 113-1 of connection for being distributed in both sides, and 110-2,110-3,110-
6, No. 110-7 is distributed in intermediate 4 bit digital phase shifter 113-2 of single polarization oscillator connection.The embodiment of the present invention can maintain to sweep
The complexity of digital phase shifter is reduced while retouching angular range.
In another embodiment of the invention, 3 bit digital phase shifter 113-2 include following three kinds of phase-shifting units, the first
Phase-shifting unit 201, second of phase-shifting unit 202 and the third phase-shifting unit 203.Similar, the radiation of subarray shown in Fig. 2
In cell array, 110-1,110-4,110-5, No. 110-8 single polarization oscillator for being distributed in both sides connect 3 bit digital phase shifters
107-1, and 110-2,110-3,110-6, No. 110-7 single polarization oscillator for being distributed in centre connect 4 bit digital phase shifter 113-
2.The embodiment of the present invention can reduce the complexity of digital phase shifter while maintaining scanning angle precision.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of analog beam shaped aerial array of low complex degree, which is characterized in that have independence comprising one or more
The subarray of analog beam figuration function, each subarray include metallic reflection plate, antenna radiation unit array and digital phase shift
Device, the subarray are connected with the radio-frequency front-end component positioned at public passage, and the radio-frequency front-end component includes PA, LNA and filter
Wave device；
The digital phase shifter is delayer or phase shifter, and the phase pushing figure of delayer is moved with working frequency linear change
The phase pushing figure of phase device is constant within the scope of working band；
The digital phase shifter directly in antenna radiation unit array radiating element or radiating element group be connected, for number
Word phase shifter is the subarray of phase shifter, at least one digital phase shifter has different digits；It is for digital phase shifter
The subarray of delayer, at least one digital phase shifter have the different total ranges of delay.
2. the analog beam shaped aerial array of low complex degree according to claim 1, which is characterized in that the radiation
Unit is the antenna element of dual polarization or single polarization.
3. the analog beam shaped aerial array of low complex degree according to claim 1, which is characterized in that each subarray
Include the number of digital phase shifter, is less than or equal to the number of radiating element.
4. the analog beam shaped aerial array of low complex degree according to claim 1, which is characterized in that each subarray
It is connected with one end of corresponding public passage, the other end and the numeric field wave beam network connection of public passage, described is public
Channel includes at least power amplifier, frequency mixer and digital-to-analogue/analog-to-digital conversion module.
5. the analog beam shaped aerial array of low complex degree according to claim 1, which is characterized in that the subarray
Antenna radiation unit array be in horizontal vertical two-dimensional arrangements, line number and columns are all higher than or are equal to 2.
6. the analog beam shaped aerial array of low complex degree according to claim 5, which is characterized in that the subarray
Antenna radiation unit array columns be 4, line number 2.
7. the analog beam shaped aerial array of low complex degree according to claim 6, which is characterized in that the subarray
In digital phase shifter be constant phase offset phase shifter, it includes 4 and 3 two kinds of digital phase shifters, 4 bit digital phase shifts
Device is cascaded by 0 °/22.5 °, 0 °/45 °, 0 °/90 ° and 0 °/180 ° of four kinds of phase shifter elements, each phase shifter element packet
Containing two kinds of phase states；3 bit digital phase shifters are cascaded by three kinds of phase shifter elements in 4 bit digital phase shifters.
8. the analog beam shaped aerial array of low complex degree according to claim 7, which is characterized in that described 4
Digital phase shifter, wherein 0 °/22.5 ° phase shifter elements include 0 ° and 22.5 ° of two kinds of phase states, 0 °/45 ° phase shifter elements
Including 0 ° and 45 ° of two kinds of phase states, 0 °/90 ° phase shifter elements include 0 ° and 90 ° of two kinds of phase states, 0 °/180 ° phase shifters
Unit includes 0 ° and 180 ° of two kinds of phase states；Each phase shifter element can pass through the phase of RF switch control selections one of which
Position offset.
9. the analog beam shaped aerial array of low complex degree according to claim 8, which is characterized in that spoke in subarray
Unit or radiating element group, a part 4 bit digital phase shifters of connection are penetrated, rest part connects 3 bit digital phase shifters.
10. the analog beam shaped aerial array of low complex degree according to claim 5, which is characterized in that the son
Radiating element horizontal distance in the antenna radiation unit array of array is between the 0.4~0.65 of working frequency range center frequency wavelength
Within the scope of times；Radiating element vertical range is within the scope of 0.5~0.8 times of working frequency range center frequency wavelength.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090680.9A CN108461932B (en) | 2018-01-30 | 2018-01-30 | Low-complexity analog beam forming antenna array |
| PCT/CN2018/075514 WO2019148512A1 (en) | 2018-01-30 | 2018-02-07 | Analog beamforming antenna array having low complexity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090680.9A CN108461932B (en) | 2018-01-30 | 2018-01-30 | Low-complexity analog beam forming antenna array |
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| CN108461932A true CN108461932A (en) | 2018-08-28 |
| CN108461932B CN108461932B (en) | 2024-01-30 |
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| CN201810090680.9A Active CN108461932B (en) | 2018-01-30 | 2018-01-30 | Low-complexity analog beam forming antenna array |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109298669A (en) * | 2018-11-12 | 2019-02-01 | 北京航空航天大学 | A kind of modularization high-precision control system and method suitable for large scale array wave beam forming |
| CN111224701A (en) * | 2018-11-27 | 2020-06-02 | 华为技术有限公司 | Beam forming device, method, device and equipment for controlling beam forming |
| CN111416643A (en) * | 2019-01-07 | 2020-07-14 | 中国移动通信有限公司研究院 | Beam forming architecture, method and base station |
| CN113675614A (en) * | 2021-08-20 | 2021-11-19 | 重庆两江卫星移动通信有限公司 | High-gain wide-angle scanning satellite-borne antenna based on luneberg lens framework |
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| CN111416643A (en) * | 2019-01-07 | 2020-07-14 | 中国移动通信有限公司研究院 | Beam forming architecture, method and base station |
| CN113675614A (en) * | 2021-08-20 | 2021-11-19 | 重庆两江卫星移动通信有限公司 | High-gain wide-angle scanning satellite-borne antenna based on luneberg lens framework |
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|---|---|
| CN108461932B (en) | 2024-01-30 |
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