CN206743260U - A kind of phase-shifting amplitude-modulated matrix system - Google Patents
A kind of phase-shifting amplitude-modulated matrix system Download PDFInfo
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- CN206743260U CN206743260U CN201720496384.XU CN201720496384U CN206743260U CN 206743260 U CN206743260 U CN 206743260U CN 201720496384 U CN201720496384 U CN 201720496384U CN 206743260 U CN206743260 U CN 206743260U
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Abstract
The utility model provides a kind of phase-shifting amplitude-modulated matrix system,N number of power splitter of M power splitter and output end including input,Input signal energy is divided into N roads by each power splitter of input,Each power splitter of output end exports the synthesis of M roads signal energy all the way,M and N is the integer more than 1,On the M*N passage between M power splitter of input and N number of power splitter of output end,Each passage is connected with one in turn and is used for the numerical-control attenuator for realizing channel amplitude control and the digital phase shifter for realizing channel phases change,Phase-shifting amplitude-modulated matrix system provided by the utility model by control digital phase shifter and numerical-control attenuator to reach the amplitude of signal and phase on M*N passages individually controllable,It disclosure satisfy that beam forming (phase measurements) test experiments of the ultra-large aerial array of communication system.
Description
Technical field
It the utility model is related to radio communication base station multi-antenna beam shaping technical field of measurement and test, and in particular to a kind of phase shift
Amplitude modulation matrix system.
Background technology
Radio communication base station develops into 8 antennas, then 64 antennas till now, or even 128 antennas from 2 antennas.Extensive day
Linear array beam forming is 5G core technology, for the performance of simulating, verifying Beamforming technology, it is necessary to can be done more logical
The test equipment of road high-precision phase position synthesis.
At present, tested especially for the ultra-large aerial array base station multichannel Beam synthesis performances of 5G Massive MIMO
Card, industry does not have suitable system scheme, typically without the test side that in analog domain multi channel signals are done with phase measurements
Case.
Utility model content
The application is by providing a kind of phase-shifting amplitude-modulated matrix system, there is provided one kind disclosure satisfy that following 5G channel wireless radio multis base
Stand beam forming test request, and compatible 2G, 3G, the beam forming test of 4G base stations, to meet the ultra-large day of communication system
Beam forming (phase measurements) test experiments of linear array.
The application is achieved using following technical scheme：
A kind of phase-shifting amplitude-modulated matrix system, including M power splitter of input and N number of power splitter of output end, input
Input signal energy is divided into N roads by each power splitter at end, and each power splitter of output end synthesizes M roads signal energy all the way
Output, M and N are the integer more than 1, and M*N between M power splitter of input and N number of power splitter of output end are logical
On road, each passage is connected with one in turn and is used to realize the numerical-control attenuator of channel amplitude control and for realizing this
The digital phase shifter of channel phases change.
The signal work(that the port is come in is divided into N roads by the power splitter (Power Divider) of each port of input,
After digital phase shifter and the processing of numerical-control attenuator amplitude modulation and phase modulation, the power splitter for finally leading to output end again distinguishes M roads signal
Synthesize all the way, exported successively from N number of port；
On M*N passage, each passage has a numerical-control attenuator (Digital Step Attenuator), with
The amplitude control of the passage is realized, so as to reach the scene of simulation decline test；
On M*N passage, each passage has a digital phase shifter (Phase Shifter) to realize the passage
Phase place change, so as to reach the simulated scenario of Beam synthesis；
The phase-shifting amplitude-modulated matrix system reaches signal on M*N passages by controlling digital phase shifter and numerical-control attenuator
Amplitude and phase are individually controllable, meet the test application scenarios of Beam synthesis.
The numerical-control attenuator uses pe43705ds, pe43711ds, pe43712ds, pe43713ds or F1956；Institute
State digital phase shifter and use pe44820ds, MAPS-010164 or MAPS-010165.
Compared with prior art, the technical scheme that the application provides, the technique effect or advantage having are：The utility model
The phase-shifting amplitude-modulated matrix system provided by control digital phase shifter and numerical-control attenuator reach on M*N passages the amplitude of signal and
Phase is individually controllable, disclosure satisfy that beam forming (phase measurements) test experiments of the ultra-large aerial array of communication system, tool
Have the advantage that：
1st, up to M*N passages are supported, Massive MIMO base station beam forming test emulations is supported, there is scalability；
2 at the same can with emulation testing multichannel decline performance；
3rd, completely compatible 3G, 4G TDD base station testing framework beam forming testing requirements.
Brief description of the drawings
Fig. 1 is the structured flowchart of the system.
Embodiment
The embodiment of the present application is by providing a kind of phase-shifting amplitude-modulated matrix system, there is provided one kind disclosure satisfy that following 5G multichannels
Wireless base station beam forming test request, and compatible 2G, 3G, the beam forming test of 4G base stations, to meet communication system super large
Beam forming (phase measurements) test experiments of scale aerial array.
It is right below in conjunction with Figure of description and specific embodiment in order to be better understood from above-mentioned technical proposal
Above-mentioned technical proposal is described in detail.
Embodiment
A kind of phase-shifting amplitude-modulated matrix system, including M power splitter of input and N number of power splitter of output end, input
Input signal energy is divided into N roads by each power splitter at end, and each power splitter of output end synthesizes M roads signal energy all the way
Output, M and N are the integer more than 1, and M*N between M power splitter of input and N number of power splitter of output end are logical
On road, each passage is connected with one in turn and is used to realize the numerical-control attenuator of channel amplitude control and for realizing this
The digital phase shifter of channel phases change.
The signal work(that the port is come in is divided into N roads by the power splitter (Power Divider) of each port of input,
After digital phase shifter and the processing of numerical-control attenuator amplitude modulation and phase modulation, the power splitter for finally leading to output end again distinguishes M roads signal
Synthesize all the way, exported successively from N number of port；
On M*N passage, each passage has a numerical-control attenuator (Digital Step Attenuator), with
The amplitude control of the passage is realized, so as to reach the scene of simulation decline test；
On M*N passage, each passage has a digital phase shifter (Phase Shifter) to realize the passage
Phase place change, so as to reach the simulated scenario of Beam synthesis；
The phase-shifting amplitude-modulated matrix system reaches signal on M*N passages by controlling digital phase shifter and numerical-control attenuator
Amplitude and phase are individually controllable, meet the test application scenarios of Beam synthesis.
In the present embodiment, the numerical-control attenuator uses pe43705ds (producers：Peregrine), pe43711ds (factories
Family：), Peregrine pe43712ds (producers：), Peregrine pe43713ds (producers：), Peregrine F1956 (producers：
IDT) etc.；The digital phase shifter uses pe44820ds (producers：Peregrine), MAPS-010164 (producers：Macom),
MAPS-010165 (producers：Macom) etc..
In above-described embodiment of the application, by providing a kind of phase-shifting amplitude-modulated matrix system, include the M work(point of input
Input signal energy is divided into N roads by N number of power splitter of device and output end, each power splitter of input, output end it is every
Individual power splitter exports the synthesis of M roads signal energy all the way, and M and N are the integer more than 1, in M power splitter of input and defeated
Go out on M*N passage between N number of power splitter at end, each passage is connected with one in turn and is used to realize the channel amplitude control
The numerical-control attenuator of system and the digital phase shifter for realizing channel phases change, it is provided by the utility model phase-shifting amplitude-modulated
Matrix system by control digital phase shifter and numerical-control attenuator to reach the amplitude of signal and phase on M*N passages individually controllable,
It disclosure satisfy that beam forming (phase measurements) test experiments of the ultra-large aerial array of communication system.
It should be pointed out that it is that limitation of the present utility model, the utility model are also not limited to that described above, which is not,
The example above, what those skilled in the art were made in essential scope of the present utility model changes, is modified, adding
Add or replace, should also belong to the scope of protection of the utility model.
Claims (2)
- A kind of 1. phase-shifting amplitude-modulated matrix system, it is characterised in that N number of work(of M power splitter and output end including input Input signal energy is divided into N roads by point device, each power splitter of input, and each power splitter of output end is by M roads signal energy Amount synthesis exports all the way, and M and N are the integer more than 1, between M power splitter of input and N number of power splitter of output end M*N passage on, each passage be connected with turn one be used for realize the channel amplitude control numerical-control attenuator and For realizing the digital phase shifter of channel phases change.
- 2. phase-shifting amplitude-modulated matrix system according to claim 1, it is characterised in that the numerical-control attenuator uses Pe43705ds, pe43711ds, pe43712ds, pe43713ds or F1956；The digital phase shifter using pe44820ds, MAPS-010164 or MAPS-010165.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267720A (en) * | 2018-01-31 | 2018-07-10 | 中国电子科技集团公司第三十八研究所 | For multi-beam selecting switch while multiple target Search/Track and dispatching method |
| CN109104221A (en) * | 2018-06-19 | 2018-12-28 | 南京纳特通信电子有限公司 | Base station testing system, method and storage medium based on 3D Massive MIMO |
| CN110767985A (en) * | 2019-09-24 | 2020-02-07 | 深圳三星通信技术研究有限公司 | Base station antenna and base station |
| CN111817806A (en) * | 2020-07-09 | 2020-10-23 | 中国信息通信研究院 | Automobile air interface communication performance test method and system |
| CN112670713A (en) * | 2020-11-20 | 2021-04-16 | 南京天朗防务科技有限公司 | Active phased array antenna |
| US11496228B2 (en) | 2020-05-22 | 2022-11-08 | Keysight Technologies, Inc. | Beam aquisition and configuration device |
-
2017
- 2017-05-07 CN CN201720496384.XU patent/CN206743260U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267720A (en) * | 2018-01-31 | 2018-07-10 | 中国电子科技集团公司第三十八研究所 | For multi-beam selecting switch while multiple target Search/Track and dispatching method |
| CN108267720B (en) * | 2018-01-31 | 2021-08-13 | 中国电子科技集团公司第三十八研究所 | Simultaneous multi-beam selection switch for multi-target search and tracking and scheduling method |
| EP3584952A1 (en) * | 2018-06-19 | 2019-12-25 | RFlight Communication Electronic Co., Ltd. | Base station test system and method based on 3d massive mimo and storage medium |
| US20190386760A1 (en) * | 2018-06-19 | 2019-12-19 | Rflight Communication Electronic Co., Ltd. | Base Station Test System and Method Based on 3D Massive MIMO and Storage Medium |
| US10771172B2 (en) * | 2018-06-19 | 2020-09-08 | Rflight Communication Electronic Co., Ltd. | Base station test system and method based on 3D massive MIMO and storage medium |
| CN109104221B (en) * | 2018-06-19 | 2021-04-30 | 南京纳特通信电子有限公司 | Base station test system, method and storage medium based on 3D Massive MIMO |
| CN109104221A (en) * | 2018-06-19 | 2018-12-28 | 南京纳特通信电子有限公司 | Base station testing system, method and storage medium based on 3D Massive MIMO |
| CN110767985A (en) * | 2019-09-24 | 2020-02-07 | 深圳三星通信技术研究有限公司 | Base station antenna and base station |
| CN110767985B (en) * | 2019-09-24 | 2023-03-17 | 深圳三星通信技术研究有限公司 | Base station antenna and base station |
| US11496228B2 (en) | 2020-05-22 | 2022-11-08 | Keysight Technologies, Inc. | Beam aquisition and configuration device |
| CN111817806A (en) * | 2020-07-09 | 2020-10-23 | 中国信息通信研究院 | Automobile air interface communication performance test method and system |
| CN111817806B (en) * | 2020-07-09 | 2022-09-09 | 中国信息通信研究院 | Automobile air interface communication performance test method and system |
| CN112670713A (en) * | 2020-11-20 | 2021-04-16 | 南京天朗防务科技有限公司 | Active phased array antenna |
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