CN107820268A - Throughput testing approach and test system based on multi-probe WIFI MIMO equipment - Google Patents
Throughput testing approach and test system based on multi-probe WIFI MIMO equipment Download PDFInfo
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- CN107820268A CN107820268A CN201610815961.7A CN201610815961A CN107820268A CN 107820268 A CN107820268 A CN 107820268A CN 201610815961 A CN201610815961 A CN 201610815961A CN 107820268 A CN107820268 A CN 107820268A
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 239000000523 sample Substances 0.000 title claims abstract description 25
- 238000013459 approach Methods 0.000 title claims abstract description 20
- 238000004088 simulation Methods 0.000 claims abstract description 16
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
Abstract
The invention discloses a kind of throughput testing approach and test system based on multi-probe WIFI MIMO equipment.The test philosophy of the present invention is that multichannel WIFI signal caused by WIFI MIMO equipment is input into wireless channel simulation instrument, and radio channel emulator is according to pre-defined channel model come analog wireless channel；The subsequent signal is separated inside channel simulator, each probe being assigned to after amplifier amplifies in darkroom, and radiation independently of one another enters darkroom；The multiple signals most radiated, which are distributed in, produces required wireless channel environment around WIFIMIMO equipment under tests；WIFI MIMO equipment under tests amplify after receiving the multichannel WIFI signal in wireless channel environment through amplifier, input WIFI MIMO equipment.Handling capacity of the system acquisition WIFI MIMO equipment under tests under MIMO working environments shows, and has the characteristics of measurement is accurate, test rate is fast, energy real simulation environment.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to one kind is based on multi-probe WIFI MIMO
The throughput testing approach and test system of equipment.
Background technology
As network technology and cellphone subscriber are growing day by day to the demand of wireless telecommunications, WiFi is in Internet era as one
The technology application of kind short range wireless transmission, the concern of all circles is enjoyed with its exclusive advantage.WiFi transmission rates are always big
The emphasis of family's concern, more passed from WIFI equipment after the appearance of 802.11n agreements using technology (MIMO) WIFI of multiple antennas
Defeated speed is greatly improved.
MIMO (Multiple-Input Multiple-Output) technology refers in transmitting terminal and receiving terminal respectively using more
Individual transmitting antenna and reception antenna, signal is set to transmit and receive by multiple antennas of transmitting terminal and receiving terminal, it is logical so as to improve
Believe quality.It can make full use of space resources, and MIMO is realized by multiple antennas, not increase frequency spectrum resource and antenna hair
In the case of penetrating power, system channel capacity can be increased exponentially, obvious advantage is shown, is considered as of future generation mobile logical
The core technology of letter.
MIMO technology using it is multiple send and receive data path dramatically increase handling capacity, expand link coverage and nothing
Need extra bandwidth or increase transmission power, the increase used with MIMO technology in WIFI equipment, the throughput performance of equipment
Get growing concern for.Traditional WIFI throughput testing approach does not support MIMO testing throughputs, on test rate not
Go, can not realize the interference of actual communication environment, multipath channel model simulation.Exist in real communication environment more
Footpath, interference signal influence.So in order to assess the performance of WIFI MIMO equipment, it is necessary to which channel model is carried out in the lab
Real reproduction.
Have the testing requirement that multiple commercial vendors propose the handling capacity of WIFI MIMO equipment at present, but lack phase on the market
Method of testing is closed, there is an urgent need to a kind of throughput testing approach of conscientiously available WIFI MIMO equipment.
Therefore, how to provide it is a kind of have measurement is accurate, test rate is fast, can real simulation environmental quality visited based on more
The problem of throughput testing approach and test system of the WIFI MIMO equipment of head are those skilled in the art's urgent need to resolve.
The content of the invention
In view of this, have that measurement is accurate, test rate is fast, can real simulation environmental quality the invention provides a kind of
Throughput testing approach and test system based on multi-probe WIFI MIMO equipment.
To achieve the above object, the present invention provides following technical scheme：
Throughput testing approach and test system based on multi-probe WIFI MIMO equipment, it is characterised in that specific
Step includes：
(1) model is built：Build test environment；
(2) test signal：Control WIFI MIMO equipment to produce multichannel WIFI signal during test and be input to wireless channel simulation
Instrument, radio channel emulator is according to pre-defined channel model come analog wireless channel；
(3) Signal separator：Signal is separated inside channel simulator, is assigned to after amplifier amplifies in darkroom
Each probe, independently of one another radiation enter darkroom；
(4) gather：The multiple signals of radiation, which are distributed in, produces required wireless channel around WIFI MIMO equipment under tests
Environment, WIFI MIMO equipment under tests are passed to after receiving the multichannel WIFI signal in wireless channel environment after amplifier amplifies
WIFI MIMO equipment, handling capacity performance of the system acquisition WIFI MIMO equipment under tests under MIMO working environments.
Preferably, in the above-mentioned throughput testing approach based on multi-probe WIFI MIMO equipment and test system,
Build equipment needed for environment and include software carrier, channel simulator instrument, WIFI MIMO equipment, amplifier, linear transducer array.
Preferably, in the above-mentioned throughput testing approach based on multi-probe WIFI MIMO equipment and test system,
Include software carrier, channel simulator instrument, WIFI MIMO equipment, amplifier, linear transducer array；The software and channel simulator instrument
Between communicate connection, channel simulator instrument is connected by amplifier with linear transducer array, and linear transducer array forms nothing around equipment under test
Line channel circumstance, software carrier collection equipment under test handling capacity performance data.
Preferably, in the above-mentioned throughput testing approach based on multi-probe WIFI MIMO equipment and test system,
The amplifier is used using two-way amplifier or PA amplifiers and LNA amplifier combinations.Preferably, it is based on Multi probe above-mentioned
WIFI MIMO equipment throughput testing approach and test system in, software carrier control WIFI MIMO equipment is transmitted more
Road WIFI signal and control channel emulating instrument set predetermined channel model；WIFI MIMO equipment is producing multichannel WIFI
Signal is separately input to wireless channel simulation instrument；Radio channel emulator simulates wireless communication according to pre-defined channel model
Road, multichannel WIFI signal are separated inside channel simulator；PA amplifiers to amplify separation after multichannel WIFI signal,
The linear transducer array being assigned in darkroom；Radiation enters darkroom to each probe independently of one another；LNA amplifiers set to amplify to be tested
The standby multiple signals received in wireless channel environment, two-way amplifier are realized simultaneously to realize the Bi-directional amplifier of signal
The function of LNA amplifiers and PA amplifiers；Software carrier is analyzing the multiple signals received and display is handled up performance data
Amount.
Understood via above-mentioned technical scheme, compared with prior art, the present invention is complicated under true environment by simulating
Wireless environment, WIFI MIMO device throughputs can be accurately tested, and establish mimo channel model, make test rate faster,
With the characteristics of measurement is accurate, test rate is fast, energy real simulation environment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 accompanying drawings are WIFI mimo channel Principle of Communication schematic diagrames of the invention.
Fig. 2 accompanying drawings are survey WIFI MIMO mobile phone connection diagrams of the invention.
Fig. 3 accompanying drawings are the interference needed for the system simulation WIFI MIMO tests of the present invention, multi-path environment schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of with measurement is accurate, test rate is fast, the base of energy real simulation environmental quality
In the throughput testing approach and test system of multi-probe WIFI MIMO equipment.
Accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 are referred to, is disclosed by the invention a kind of based on multi-probe WIFI MIMO equipment
Throughput testing approach, specifically include：
(1) model is built：Build test environment；
(2) test signal：Control WIFI MIMO equipment to produce multichannel WIFI signal during test and be input to wireless channel simulation
Instrument, radio channel emulator is according to pre-defined channel model come analog wireless channel；
(3) Signal separator：Signal is separated inside channel simulator, is assigned to after amplifier amplifies in darkroom
Each probe, independently of one another radiation enter darkroom；
(4) gather：The multiple signals of radiation, which are distributed in, produces required wireless channel around WIFI MIMO equipment under tests
Environment, WIFI MIMO equipment under tests are passed to after receiving the multichannel WIFI signal in wireless channel environment after amplifier amplifies
WIFI MIMO equipment, handling capacity performance of the system acquisition WIFI MIMO equipment under tests under MIMO working environments.
The present invention can accurately test WIFI MIMO equipment and gulp down by simulating wireless environment complicated under true environment
The amount of telling, and mimo channel model is established, make test rate faster, with measurement is accurate, test rate is fast, can real simulation environment
The characteristics of.
In order to further optimize above-mentioned technical proposal, build equipment needed for environment include software carrier, channel simulator instrument,
WIFI MIMO equipment, amplifier, linear transducer array.
In order to further optimize above-mentioned technical proposal, include software carrier, channel simulator instrument, WIFI MIMO equipment, put
Big device, linear transducer array；Connection is communicated between software and the channel simulator instrument, channel simulator instrument passes through amplifier and linear transducer array
Connection, linear transducer array form wireless channel environment, software carrier collection equipment under test handling capacity performance number around equipment under test
According to.
In order to further optimize above-mentioned technical proposal, the amplifier uses PA amplifiers and LNA amplifiers, software carrier
Circulator is connected between signal simulation instrument.
In order to further optimize above-mentioned technical proposal, software carrier control WIFI MIMO equipment transmits multichannel WIFI signal
And control channel emulating instrument sets predetermined channel model；WIFI MIMO equipment passes through respectively to produce multichannel WIFI signal
Wireless channel simulation instrument is input to after circulator；Radio channel emulator simulates wireless communication according to pre-defined channel model
Road, multichannel WIFI signal are separated inside channel simulator；PA amplifiers to amplify separation after multichannel WIFI signal,
The linear transducer array being assigned in darkroom；
Radiation enters darkroom to each probe independently of one another；LNA amplifiers are amplifying equipment under test in wireless channel ring
The multiple signals received in border, two-way amplifier can realize LNA amplifiers and PA simultaneously to realize the Bi-directional amplifier of signal
The function of amplifier；Software carrier is analyzing the multiple signals received and display is handled up performance data volume.
In order to further optimize above-mentioned technical proposal, specific embodiment is：
WIFI MIMO equipment under tests are mobile phone, and WIFI MIMO test equipments are binary channels router, and amplifier is from single
To amplifier PA and LNA；Process is during the testing mobile phone wifi handling capacities of the present invention：Connection instrument as shown in Figure 3, router
Multi-channel port after two circulators respectively by being connected on channel simulator instrument.(two road ports of router are not supported to send out simultaneously
Penetrate with reception signal and closed, it is necessary to will be launched by circulator with reception signal on the way.) establish 2X2MOMO channel models.
Control router or wireless network card generation multichannel WIFI signal are input to wireless channel respectively after circulator and imitated
True instrument, radio channel emulator is according to pre-defined channel model come analog wireless channel；The subsequent signal is in channel simulator
Separated inside device, each probe being assigned to after PA amplifies in darkroom, radiation independently of one another enters darkroom；It is finally
The multiple signals of radiation, which are distributed in, produces required wireless channel environment around mobile phone.
Mobile phone amplifies after receiving the multichannel WIFI signal in wireless channel environment through LNA, will be received by circulator respectively
Signal and close on the way, after pass through the port of router or wireless network card and input.System acquisition mobile phone is in MIMO building rings
Handling capacity performance under border.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (5)
1. throughput testing approach and test system based on multi-probe WIFI MIMO equipment, it is characterised in that specific step
Suddenly include：
(1) model is built：Build test environment；
(2) test signal：Control WIFI MIMO equipment to produce multichannel WIFI signal during test and be input to wireless channel simulation instrument,
Radio channel emulator is according to pre-defined channel model come analog wireless channel；
(3) Signal separator：Signal is separated inside channel simulator, is assigned to after amplifier amplifies each in darkroom
Probe, independently of one another radiation enter darkroom；
(4) gather：The multiple signals of radiation, which are distributed in, produces required wireless channel ring around WIFI MIMO equipment under tests
Border, WIFI MIMO equipment under tests are passed to after receiving the multichannel WIFI signal in wireless channel environment after amplifier amplifies
WIFI MIMO equipment, handling capacity performance of the system acquisition WIFI MIMO equipment under tests under MIMO working environments.
2. throughput testing approach and test system according to claim 1 based on multi-probe WIFI MIMO equipment
System, it is characterised in that build equipment needed for environment include software carrier, channel simulator instrument, WIFI MIMO equipment, amplifier,
Linear transducer array.
3. throughput testing approach and test system according to claim 1 based on multi-probe WIFI MIMO equipment
System, it is characterised in that include software carrier, channel simulator instrument, WIFI MIMO equipment, amplifier, linear transducer array；It is described soft
Connection is communicated between part and channel simulator instrument, channel simulator instrument is connected by amplifier with linear transducer array, and linear transducer array is tested
Wireless channel environment, software carrier collection equipment under test handling capacity performance data are formed around equipment.
4. throughput testing approach and test system according to claim 3 based on multi-probe WIFI MIMO equipment
System, the amplifier are used using two-way amplifier or PA amplifiers and LNA amplifier combinations.
5. throughput testing approach and test system according to claim 4 based on multi-probe WIFI MIMO equipment
System, software carrier control WIFI MIMO equipment transmits multichannel WIFI signal and control channel emulating instrument sets predetermined channel
Model；
WIFI MIMO equipment is separately input to wireless channel simulation instrument to produce multichannel WIFI signal；
Radio channel emulator is according to pre-defined channel model come analog wireless channel, and multichannel WIFI signal is in channel simulator
Separated inside device；
PA amplifiers to amplify separation after multichannel WIFI signal, the linear transducer array being assigned in darkroom；Each probe is respective
Independent eradiation enters darkroom；
LNA amplifiers to amplify the multiple signals that equipment under test receives in wireless channel environment,
Two-way amplifier realizes the function of LNA amplifiers and PA amplifiers to realize the Bi-directional amplifier of signal；
Software carrier is analyzing the multiple signals received and display is handled up performance data volume.
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| CN201610815961.7A CN107820268A (en) | 2016-09-12 | 2016-09-12 | Throughput testing approach and test system based on multi-probe WIFI MIMO equipment |
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Cited By (1)
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Address after: 518109 Second Floor of Hualian Feng Innovation Industrial Park, No. 91 Huaning Road, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. Address before: 518000 Guangzhou Nanshan District Nanhai Avenue Xiguimiao Road North Sunshine Huayi Building 6B, 6C-27 Applicant before: SHENZHEN XINYI TECHNOLOGY Co.,Ltd. |
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