CN106452620A - Method and system of testing receptivity of wireless terminal - Google Patents

Method and system of testing receptivity of wireless terminal Download PDF

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Publication number
CN106452620A
CN106452620A CN201610959159.5A CN201610959159A CN106452620A CN 106452620 A CN106452620 A CN 106452620A CN 201610959159 A CN201610959159 A CN 201610959159A CN 106452620 A CN106452620 A CN 106452620A
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China
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signal
test
wireless
wireless terminal
testing
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CN201610959159.5A
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CN106452620B (en
Inventor
吴敏
韦泽垠
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Shenzhen TCL New Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/20Monitoring; Testing of receivers
    • H04B17/29Performance testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/391Modelling the propagation channel
    • H04B17/3912Simulation models

Abstract

The invention discloses a method and system of testing receptivity of a wireless terminal. The method of testing receptivity of a wireless terminal includes the steps: disposing a wireless terminal to be tested at a preset position with preset open environment; disposing a wireless route terminal or a wireless access node at strong, intermediate and weak signal testing positions in the open environment respectively; when the wireless terminal receives a signal, measuring the maximum receive data rate of the wireless terminal when the wireless route terminal is arranged at the current testing position; determining that the wireless terminal is qualified when the wireless route terminal or the wireless access node is arranged at the strong, intermediate and weak signal testing positions, all the maximum receive data rates of the wireless terminal are greater than the corresponding preset qualified quantitative value; if not, determining that the wireless terminal is not qualified. For the method and system of testing receptivity of wireless terminal, as the open testing environment approaches to the operating environment of the wireless terminal and the interference borne by the signal during the test is equal to the interference borne by the signal during the using process, the method and system of testing receptivity of wireless terminal can simulate a real WiFi operating environment and can improve the accuracy of the wireless terminal receptivity test.

Description

The method of testing of wireless terminal reception performance and system
Technical field
The present invention relates to technical field of radio frequency test, more particularly, to a kind of method of testing of wireless terminal reception performance and be System.
Background technology
What the maturation with wireless communication technology and development, wireless product and wireless application emerged in an endless stream occurs in people's In the visual field, such as WiFi, bluetooth Bluetooth, zifeng modular Zigbee, near-field communication NFC (Near Field Communication) etc..And WiFi, this communication era wireless technology the most popular also increasingly presses close to our life.As Set up the equipment of WLAN:Wireless router (WiFi Router), wireless aps (WiFi Access Point, wireless visit Ask node), bridger (Network Bridge) etc.;Various intelligent terminal (the WiFi that need to be connected into wireless LAN communication STA):Intelligent television Smart TV, intelligent television box TV box, mobile phone mobile phone, panel computer Tablet PC, pen Remember this Notebook etc..
How so abundant WiFi product, go to weigh and test its performance and qualification is necessary work before volume production, Otherwise underproof WiFi product will bring poor wireless application to experience, and brings stronger negative effect to whole machine.At present, exist Before volume production, it is (fixed according to the theory of WiFi or 802.11 that manufacturer typically can do single hardware performance test first to WiFi module Justice), such as basic parameter:Operating frequency range, transmission power, transmission signal frequency spectrum, frequency error, error vector magnitude, miscellaneous Distribute penetrate, receiving sensitivity, receive maximum input signal level, adjacent channel suppression etc., this tests as most basic guarantee The qualified indispensable process of WiFi module underlying hardware performance, ordinary supplier can do strict test to it.Then can do and reflect The test of the radio throughput of WiFi software and hardware its communication ability, this test is also necessary, because WiFi module itself is hard Part measures and can not reflect overall WiFi performance, and the use of WiFi module needs the loading of total system to coordinate, such as WiFi mould Firmware, WiFi driving, WiFi upper-layer configured and the application using inside block.
In order to weigh out the WiFi serviceability based on whole system, need a kind of measuring method on based on system, Up to the present, the amount measurement means of handling up of instrument are generally received and dispatched using analogue datas such as Iperf Dian Ixchariot, based on system On, run through WiFi software and hardware layer passage, for WiFi STA product, such as intelligent television, smart mobile phone etc. are wirelessly gulped down Tell amount measurement, typically can be under dark room conditions, the radio-frequency head launching equipment (such as WiFi Router) to WiFi carries out pressure and declines Subtract, under WiFi weak signal strength【RSSIR (the signal strength signal intensity that Received Signal Strength Indication receives Instruction, the optional part of wireless transmission layer, for judging link quality, and whether increase broadcast transmission intensity) generally- 70dbm about】, measure its maximum receiving data speed.
Through separate modular hardware basic parameter conformity testing and run through WiFi software and hardware layer data throughout simulation Test is it is already possible to basic guarantee WiFi's experiences no big risk sex chromosome mosaicism, but also has a lot of WiFi correlations to ask on market Topic.Topmost problem is, existing test is substantially and carries out under enclosed environment, and WiFi's using scene is all It is in and carry out under various open environment (outdoor street etc. spreads for family, office), for WiFi STA receiving-end product, its The wireless signal receiving, can be interfered, and because test environment is different from use environment, directly result in the accuracy of test Relatively low.
Content of the invention
Present invention is primarily targeted at providing a kind of method of testing of wireless terminal reception performance and device it is intended to true The use environment of simulation WiFi, improves the accuracy of wireless terminal reception performance test.
For achieving the above object, a kind of method of testing of wireless terminal reception performance that the present invention provides includes following step Suddenly:
Place the wireless terminal treating side in the predetermined position of default open environment;
The wireless routing end or wireless access node that forward wireless signal are individually positioned in strong in described open environment Signal testing position, middle signal testing position, weak signal test position;
When the signal of wireless terminal reception to wireless routing end or wireless access node forwarding, measure wireless routing end position The maximum receiving data speed of wireless terminal when current test position;
When wireless routing end or wireless access node are located at strong signal testing position, middle signal testing position, weak signal survey When the maximum receiving data speed of wireless terminal is all higher than test position corresponding default qualified quantitative values during examination position, judge institute State wireless terminal qualified;Otherwise, it is determined that described wireless terminal is unqualified.
Preferably, the described wireless routing end by forwarding wireless signal or wireless access node are individually positioned in described opening Strong signal testing position in environment, middle signal testing position, include before the step of weak signal test position:
According to three decay factors in signal attenuation model, choose candidate's test position of described open environment;
Between described wireless terminal and described wireless routing end, or in described wireless terminal and described wireless access node Between build radio throughput test structure, connect with measuring maximum under the transmitting terminal at candidate's test position for the wireless terminal Receive data rate;
According to maximum receiving data speed under the transmitting terminal at candidate's test position for the measured wireless terminal, determine Strong signal testing position, middle signal testing position, weak signal test position.
Preferably, described open environment can meet wireless signal air line distance is weak, barrier decay and multipath effect Should.
Preferably, the described predetermined position in default open environment is wrapped before placing the step of wireless terminal treating side Include:
Whether the sighting distance judging open space is in preset range, and whether has multiple rooms in described open space;
If so, then check the behaviour in service of the frequency spectrum shared by WiFi signal of setting frequency range;
When the transmission signal number not receiving transmission signal or receive is less than predetermined number, determine described open empty Between be open environment.
Preferably, described default qualified quantitative values are the metric data in described current test position for the qualified products 70%.
Additionally, for achieving the above object, the present invention also provides a kind of test system of wireless terminal reception performance to include:
Radio throughput test module, builds between described wireless routing end and described wireless terminal, or in described nothing Between line accessed node and described wireless terminal;It is placed on strong signal testing for measuring wireless routing end or wireless access node It is located at the nothing of predeterminated position during arbitrary selected current test position in position, weak signal test position and middle signal testing position The maximum receiving data speed of line terminal;Described strong signal testing position, middle signal testing position, weak signal test position and pre- If position is respectively positioned in open environment;
First judge module, for when the maximum receiving data speed of wireless terminal, to be all higher than test position corresponding qualified During quantitative values, judge that described wireless terminal is qualified;Otherwise, it is determined that described wireless terminal is unqualified.
Preferably, the test system of described wireless terminal reception performance also includes position determination module, and described position determines Module includes:
Choose module, for according to three decay factors in signal attenuation model, choosing the candidate of described open environment Test position;
Position measurement module, for measuring maximum reception number under the transmitting terminal at candidate's test position for the wireless terminal According to speed;
First determining module, for the maximum under the transmitting terminal at candidate's test position according to measured wireless terminal Receiving data speed, determines strong signal testing position, middle signal testing position, weak signal test position.
Preferably, in described position determination module, the air line distance that described open environment can meet wireless signal is weak, barrier Hinder thing decay and multipath effect.
Preferably, the test system of described wireless terminal reception performance also includes environment confirmation module, and described environment confirms Module includes:
Second judge module, for judging the sighting distance of open space whether in preset range, and in described open space Whether there are multiple rooms;
Check module, for the sighting distance in described open space in preset range, and have multiple in described open space During room, check the behaviour in service of frequency spectrum shared by the WiFi signal of setting frequency range;
Second determining module, for being less than predetermined number in the transmission signal number not receiving transmission signal or receive When, determine that described open space is open environment.
Preferably, in described first judge module, described default qualified quantitative values are qualified products in described current test The 70% of the metric data of position.
Technical scheme, selectes an open environment first, then selects predeterminated position in open environment, Fixed placement wireless terminal;Strong signal testing position, weak signal test position and middle signal testing is selected in open environment Position, for placing wireless routing end or wireless access node, is wherein placed in by force at wireless routing end or wireless access node end During signal testing position, wireless link between wireless routing end or wireless access node and wireless terminal, now wireless terminal connect Receive the signal through wireless routing end or wireless access node forward mainly to decay via air line distance, signal strength signal intensity and quality are all Higher, receptivity under strong signal condition for the wireless terminal is tested by radio throughput test module;Wireless routing end or When wireless access node is placed in weak signal test position, the signal that wireless terminal reception arrives is through wireless routing end or accessing wirelessly section The signal that point forwards mainly is decayed via barrier, and signal strength signal intensity and quality are all relatively low, are surveyed by radio throughput test module Examination receptivity under weak signal state for the wireless terminal;Wireless routing end or wireless access node are placed in middle signal testing position When, wireless terminal reception is mainly decayed via multipath effect to through the signal that wireless routing end or wireless access node forward, letter Number intensity and quality between above-mentioned between the two, wireless terminal is tested under middle signal condition by radio throughput test module Receptivity;Because open test environment is closer to the use environment of wireless terminal product, wireless terminal product receives To the interference that is subject in test process of wireless signal with use during the interference that is subject to about the same, therefore by above-mentioned The use environment of true simulation WiFi of method energy, improves the accuracy of wireless terminal reception performance test.
Brief description
Fig. 1 is the schematic flow sheet of the method for testing first embodiment of wireless terminal reception performance of the present invention;
Fig. 2 be wireless terminal reception performance of the present invention method of testing first embodiment in open environment and test position Arrangement;
Fig. 3 is data transmitting terminal, less radio-frequency in the method for testing first embodiment of wireless terminal reception performance of the present invention Connection diagram between end and wireless terminal;
Fig. 4 is the schematic flow sheet of the method for testing second embodiment of wireless terminal reception performance of the present invention;
Fig. 5 is the schematic flow sheet of the method for testing 3rd embodiment of wireless terminal reception performance of the present invention;
Fig. 6 is the high-level schematic functional block diagram of the test system first embodiment of wireless terminal reception performance of the present invention;
Fig. 7 is the refinement work(of position determination module in the test system second embodiment of wireless terminal reception performance of the present invention Can module diagram;
Fig. 8 is the refinement work(of environment determination module in the test system 3rd embodiment of wireless terminal reception performance of the present invention Can module diagram.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of method of testing of wireless terminal reception performance, with reference to Fig. 1, in one embodiment, the method Comprise the following steps:
Step S40, places wireless terminal to be measured in the predetermined position of default open environment;
May be selected about 15 meters about sighting distances space, this space be fully meet wireless signal air line distance weak, Barrier decay and the comprehensive ecotopia of multipath effect test;This interior volume can also comprise multiple less skies Between;Closer to actual use environment (home dwelling, office, retail shop etc.), default open environment is chosen one fixing Position is as predeterminated position, and places wireless terminal in predetermined position.
Step S80, the wireless routing end or wireless access node that forward wireless signal are individually positioned in described open loop Strong signal testing position in border, middle signal testing position, weak signal test position;
In an embodiment of the present invention, the air line distance between predeterminated position and strong signal testing position is at 3.5~4.5 meters Between;It is provided with two wall walls, between predeterminated position and strong signal testing position between predeterminated position and weak signal test position Line pass through two block up described walls;Be provided with a wall wall between predeterminated position and middle signal testing position, predeterminated position with Line between described middle signal testing position passes through described wall;Middle signal testing position is more than to distance between the walls 3.5 rice.
Wireless signal straightline propagation between predeterminated position and strong signal testing position, WiFi STA receipt signal mainly by The remaining electromagnetic wave energy after air line distance decay that WiFi Router forwards, because air line distance decay is less, for WiFi Qualitative assessment test under strong signal reception state for the STA;Wireless signal between predeterminated position and weak signal test position is worn Obstacle-overpass thing, the remaining electromagnetic wave energy penetrating through wall that WiFi STA receipt signal is mainly forwarded by WiFi Router, Because barrier passes through, decay is larger, can be used for qualitative assessment test under weak signal reception state for the WiFi STA;Predeterminated position Radio signal propagation and middle signal testing position between has neutralized above-mentioned two situations, and wireless signal is on straightline propagation direction There is barrier, but barrier is not reaching to degree or the thickness that barrier passes through;WiFi STA receipt signal is mainly by WiFi The stack power through multipath reflection that Router forwards, can be used for qualitative assessment under msp signal state for the WiFi STA and surveys Examination, available predeterminated position is tested with middle signal testing position.
Fig. 2 is an optional space household structure meeting condition, and wherein solid line is body of wall, and dotted line is glass, and chain-dotted line is Door, wherein predeterminated position 1 are located at parlor, and WiFi STA fixed placement is selected in visitor in predeterminated position 1, strong signal testing position 2 In the Room and at 4 meters of predeterminated position 1 air line distance;Weak signal test position 3 is selected and is located at the master bedroom being spaced two wall walls with parlor Interior, middle signal testing position 4 is optional, and to be positioned relative secondary room oblique with parlor doorway indoor, also optional is positioned and parlor One wall every hollow indoor.
Select any position as current in strong signal testing position, weak signal test position and middle signal testing position Test position, places wireless routing end or wireless access node in described current test position;Wireless routing end or accessing wirelessly Node is used for forwarding the wireless signal sending through wireless transmitting terminals, in the present embodiment with wireless routing end (WiFi Router) is Example is described in detail.
The position of itself at wireless routing end selects not order, for example, wireless routing end can be placed sequentially in strong letter Number test position, middle signal testing position, weak signal test position;Successively wireless routing end can also be placed sequentially in strong letter Number test position, weak signal test position, middle signal testing position;Weak signal test position, middle letter can also be placed sequentially in Number test position, strong signal testing position.
Wireless terminal can be intelligent television, intelligent television box, mobile phone, panel computer or notebook etc..
Step S90, when wireless terminal reception is to the signal forwarding through wireless routing end or wireless access node, measurement is no Circuit by hold positioned at current test position when wireless terminal maximum receiving data speed;
Build radio throughput test structure between wireless terminal WiFi STA and WiFi Router (wirelessly to handle up Amount test module), using Ixchairot/Endpoint testing throughput software.With further reference to Fig. 3, wireless aps (are equivalent to Wireless routing end 30) correspond to strong signal testing position 2 (the A point with reference in Fig. 2), weak signal test position 3 (with reference to the B in Fig. 2 Point), the transmission signal position of middle signal testing position 4 (with reference to the C point in Fig. 2, D point, E point), PC2 is equivalent to WiFi STA, Wireless Card by usb access PC2 (being equivalent to wireless terminal 20), PC1 as the transmitting terminal of data, through wireless aps Forwarding, then PC2 is sent to by WiFi, the corresponding transmitting terminal of WiFi STA can be measured in A, B, C, D, E by this framework Maximum under the corresponding various signal qualitys (RSSI can be as one of reference factor) of point accepts data rate (Mbps).
Step S100, wireless routing end or wireless access node are located at strong signal testing position, middle signal testing position, weak When during signal testing position, the maximum receiving data speed of wireless terminal is all higher than test position corresponding default qualified quantitative values, Judge that described wireless terminal is qualified;Otherwise, it is determined that described wireless terminal is unqualified.
Accept signal strength signal intensity RSSI value in WiFi STA record when wireless aps 5 are in A, B, C, D, E point, can use When Inssider radio scan tool detection goes out corresponding A, B, C, D, E point transmission signal point, WiFi STA can receive Big signal strength values.
When the maximum receiving data speed of wireless terminal is more than the qualified quantitative values of current test position normal data, sentence Fixed described wireless terminal is qualified, otherwise, it is determined that described wireless terminal is unqualified.
The qualified quantitative values of current test position normal data can be set according to the measurement data of qualified products, example As selected strong signal testing position to be current location, then test is mainly to lead to after decay by air line distance, and wireless terminal produces The receptivity of product, receiving metric data needs with (the conjunction of the normal data after line correspondence range attenuation under strong signal condition Lattice quantitative values) the qualified quantitative values of normal data are compared, and are more than current test position normal data when receiving metric data Qualified quantitative values when, judge described wireless terminal qualified, otherwise, it is determined that described wireless terminal is unqualified.
Technical scheme, selectes one open environment meeting test request, first then in open ring Predeterminated position 1, fixed placement wireless terminal is selected in border;Select strong signal testing position 2, weak signal test position 3 and middle letter Number test position 4, for placing wireless routing end or wireless access node, wherein puts at wireless routing end or wireless access node When strong signal testing position 2, between wireless routing end and wireless terminal or wireless between wireless access node and wireless terminal Link, the wireless signal through wireless routing end or wireless access node forwarding that now wireless terminal reception arrives is mainly via straight line Range attenuation, signal strength signal intensity and quality are all higher, test wireless terminal in strong signal condition by radio throughput test module Under receptivity;When wireless routing end or wireless access node are placed in weak signal test position 3, the warp that wireless terminal reception arrives The wireless signal of wireless routing end or wireless access node forwarding is mainly decayed via barrier, and signal strength signal intensity and quality are all relatively Low, receptivity under weak signal state for the wireless terminal is tested by radio throughput test module;Wireless routing end or nothing When line accessed node is placed in middle signal testing position 4, wireless terminal reception to turn through wireless routing end or wireless access node The wireless signal sent out is decayed mainly due to multipath effect, signal strength signal intensity and quality between above-mentioned between the two, by wirelessly handling up Amount test module test receptivity under middle signal condition for the wireless terminal;Because open test environment is closer to wireless The use environment of end product, the interference that the wireless signal that wireless terminal product receives is subject in test process with used The interference being subject in journey is about the same, therefore by the use environment of true simulation WiFi of said method energy, improves wirelessly eventually End receives the accuracy of performance test.
As embodiment two
On the basis of embodiment one, referring to Fig. 4, include before step S80:
Step S50, according to three decay factors in signal attenuation model, chooses candidate's test position of described open environment Put;
According to three decay factors (air line distance decay, barrier decay, multipath effect) in signal attenuation model:
A point can also will explain from WiFi signal communication theory as Wi-Fi hotspot strong signal testing point, A point is completely The line signals mode of horizon range, air line distance is probably at 4 meters about;
B point can also will be explained from WiFi signal communication theory, its WiFi completely as Wi-Fi hotspot weak signal test point The signal that STA receives is mainly to carry out spontaneous emission radio magnetic wave and penetrate remaining energy after two wall walls, after this decay Dump energy all will be weaker;
C point, D point, E point will be used as Wi-Fi hotspot msp signal test points, can also be complete from WiFi signal communication theory Explain, the signal section that its WiFi STA receives carrys out self-gating and sees the later energy of wall, and major part is from multipath transmissions Superposed signal.
3 points of A, B, C be completely covered transmission signal strong in weak state, the major part that can cover outdoor bad border can be normal The state of communication.
Step S60, between described wireless terminal and described wireless routing end or wireless with described in described wireless terminal Radio throughput test structure is built, to measure wireless terminal under the transmitting terminal at candidate's test position between accessed node Maximum receiving data speed;
Obtain the behaviour in service of the frequency spectrum shared by WiFi signal of setting frequency range;2.4G frequency range and 5G frequency is selected in the present embodiment The WiFi signal of section, can be obtained using WiFi scanning software and check shared by 2.4G frequency range WiFi signal and 5G frequency range WiFi signal The behaviour in service of frequency spectrum;
Periphery WiFi environment is substantially noiseless or interference is less, can check WiFi2.4G frequency range using WiFi scanning software Behaviour in service with frequency spectrum shared by 5G frequency range WiFi signal.From for 2.4G frequency range Wi-Fi hotspot (signal transmitting equipment Router or AP available in channel occupancy distribution situation), RSSI is that the transmission signal of -80dbm is relatively more, is all the weaker transmitting of signal Point (RSSI be less than -70dbm), interference little to being negligible, SSID (Service Set Identifier, hereinafter referred to as SSID, the general concept being, contain ESSID and BSSID, for distinguishing different networks, wireless network card is provided with difference SSID just can enter heterogeneous networks, SSID is generally broadcast out by AP, the scan function being carried by XP can check work as SSID in forefoot area, for security consideration can not Broadcast SSIDs, now user SSID will be set by hand and could enter phase The network answered.Briefly, SSID is exactly the title of a LAN, is only set to the computer ability of the value of the identical SSID of title Communicating) focus for R7000-2.4G is the 2.4G signal of WiFi Router that will select in model, so entirely 2.4G frequency range only has the strong signal that 1 SSID is zxy, illustrates that this WiFi environment is the very little open space of interference.From 5G Can obtain in the channel occupancy distribution situation of frequency range Wi-Fi hotspot, 5G frequency range only one of which SSID is the focus letter of R7000-5G Number, it is also the 5G signal of the WiFi Router that will select in model, illustrate that this environment does not have any interference signal.
Step S70, according to maximum receiving data under the transmitting terminal at candidate's test position for the measured wireless terminal Speed, determines strong signal testing position 2, middle signal testing position 4, weak signal test position 3.
Select the focus that SSID is R7000~setting frequency range to be model, described model selects signal conduct the strongest The transmission signal at wireless routing end;
Available from the channel occupancy distribution situation of 2.4G frequency range Wi-Fi hotspot, RSSI is the transmission signal ratio of -80dbm More, be all the weaker launch point of signal, interference little to being negligible, SSID is the focus of R7000-2.4G is in model The 2.4G signal of the WiFi Router that will select, whole 2.4G frequency range only has the strong signal that 1 SSID is zxy.From 5G frequency range Can obtain in the channel occupancy distribution situation of Wi-Fi hotspot, 5G frequency range only one of which SSID is the focus signal of R7000-5G, It is also the 5G signal of the WiFi Router that will select in model.
Record all metric data of currently selected test point with data form, so that decision-making goes out fixing WiFi STA position Three kinds of different signal strength signal intensities and quality five standard testing points, be shown in Table 1;With this, using A point as strong signal testing position 2, B points as weak signal test position 3,3 points of C, D, E all as in signal testing position 4.
Table 1:Wireless terminal is in the metric data of A, B, C, D, E point
Embodiment three
On the basis of above-described embodiment, referring to Fig. 5, also include before step S40:
Step S10, whether whether the sighting distance judging open space is in preset range, and have multiple in described open space Room;
The sighting distance selecting space typically requires 15 meters of satisfaction, specifically can be measured by distance measuring sensor, in conjunction with software In determining program judged;Need the room of more than three in open space, specifically by camera and journey can be judged Sequence is completing;If meet above-mentioned condition to carry out following step more simultaneously, this is similar with true environment, and the accuracy of test is more High;
Step S20, if so, then checks the behaviour in service of frequency spectrum shared by the WiFi signal of setting frequency range;
If in the case of meeting above-mentioned two condition simultaneously, call frequency spectrum shared by the WiFi signal of setting frequency range further, And check behaviour in service;
Step S30, when the transmission signal number not receiving transmission signal or receive is less than predetermined number, determines institute Stating open space is open environment.
First, with respect to closed environment, in open environment, radio signal attenuation is more severe;Secondly in open environment In, for WiFi STA receiving-end product, the wireless signal that it receives is more susceptible to disturb;For example, in open space When having room, with respect to not having room, wireless signal needs to pass through barrier in communication process, and decay is more severe;Therefore, Set a predetermined number or predetermined number scope, when the signal number receiving is less than predetermined number scope, determines and open Space is open environment.
Further, on the basis of embodiment three, referring to table 2, described current test position normal data qualified fixed Value be qualified products described current test position metric data 70%.
Because it is contemplated that the potential interference of the whole machine software and hardware of actual measurement WiFi STA equipment, throughput data can be measured number According to loss 30% as the qualified quantitative values of normal data, all WiFi STA equipment to be measured are needed to do performance in this model During measurement, all cannot be below this qualified quantitative values, be otherwise designated as unqualified, illustrate to need to do the whole of software and hardware to its WiFi further Change.Qualified quantitative criterion value only need to take handling capacity TP (throughput), as shown in table 1, table 2.
Table 2:Three kinds of signal strength signal intensities and the corresponding metric data of quality
Can also be tested by the way, be selected the WiFi Router that better performances have been approved by market With Wireless Card, fully ensure that the no any WiFi that is related in sending and receiving end receives and dispatches performance and the problem of connective stability.For data The confirmation of model and standard signal test point position is done and is the most effectively ensured, then the measurement data of corresponding test position 70% as qualified quantitative values.
The present invention also provides a kind of test system of wireless terminal reception performance, with reference to Fig. 3, Fig. 6, in one embodiment, Corresponding with the first embodiment of the method for testing of above-mentioned wireless terminal reception performance, the wireless terminal reception performance that the present invention provides Test system include radio throughput test module 40 and the first judge module 50.
Radio throughput test module 40, builds between described wireless routing end 30 and wireless terminal 20, or wireless Between accessed node and wireless terminal 20;It is placed on strong signal testing position for measuring wireless routing end 30 or wireless access node Put, be located at the wireless of predeterminated position during arbitrary selected current test position in weak signal test position and middle signal testing position The maximum receiving data speed of terminal 20;Described strong signal testing position, middle signal testing position, weak signal test position and pre- If position is respectively positioned in open environment;
The air line distance that open environment can meet wireless signal is weak, barrier is decayed and multipath effect;Wherein said Test transmission signal wireless terminal reception under air line distance attenuation state is met between predeterminated position and strong signal testing position The requirement of performance, meets test transmission signal and is penetrating barrier decay shape between described predeterminated position and weak signal test position The requirement of wireless terminal reception performance under state, meets test transmission signal and exists between described predeterminated position and middle signal testing position The requirement of wireless terminal reception performance under multipath effect attenuation state;Between wherein said predeterminated position and strong signal testing position Meet the requirement of test transmission signal wireless terminal reception performance under air line distance attenuation state, described predeterminated position and weak letter The requirement of test transmission signal wireless terminal reception performance under penetrating barrier attenuation state, institute is met between number test position State satisfaction test transmission signal wireless terminal under multipath effect attenuation state between predeterminated position and middle signal testing position to connect Receive the requirement of performance;
The space of about 15 meters about sighting distances may be selected, this space is fully to meet the weak Dian of wireless signal air line distance Barrier decay and the comprehensive ecotopia of multipath effect test;This interior volume can also comprise multiple less skies Between;Closer to actual use environment (home dwelling, office, retail shop etc.), in an embodiment of the present invention, described default position Put air line distance and described strong signal testing position between 3.5~4.5 meters;Described predeterminated position and described weak signal It is provided with two wall walls, the line between described predeterminated position and strong signal testing position is stifled described through two between test position Wall;Be provided with a wall wall between described predeterminated position and described middle signal testing position, described predeterminated position with described in Line between signal testing position passes through described wall;Described middle signal testing position is more than to described distance between the walls 3.5 rice.
Test WiFi STA receipt signal is met essentially from WiFi between predeterminated position and strong signal testing position The straightline propagation of Router transmission signal, for qualitative assessment test under strong signal reception state for the WiFi STA;WiFi If the remaining electromagnetic wave energy that STA receipt signal penetrates through wall essentially from WiFi Router transmission signal, can be used for Qualitative assessment test under WiFi STA weak signal reception state;Available predeterminated position is surveyed with strong signal testing position Examination;If WiFi STA receipt signal, can use through the stack power of multipath reflection essentially from WiFi Router transmission signal Qualitative assessment test under WiFi STA msp signal state, available predeterminated position is surveyed with middle signal testing position Examination.
Fig. 2 is an optional space household structure meeting condition, and wherein predeterminated position 1 is located at parlor, and WiFi STA fixes Be positioned over predeterminated position 1, strong signal testing position 2 select in the parlor with 4 meters of predeterminated position 1 air line distance at;Weak signal is surveyed Examination position 3 is selected and is located at the master bedroom interior being spaced two wall walls with parlor, and middle signal testing position 4 is optional to be positioned and parlor door Mouthful oblique relative secondary room is indoor, also optional be positioned with parlor one wall every hollow interior.
Wireless terminal 20, is arranged on described predeterminated position 1, for receiving wireless signal;Wireless terminal can be intelligent electricity Depending on, intelligent television box, mobile phone, panel computer or notebook etc..
Wireless routing end 30 or wireless access node, be placed on strong signal testing position 2, weak signal test position 3 and in Arbitrary selected current test position in signal testing position 4, for forwarding wireless signal;
The position of itself of wireless routing end 30 or wireless access node selects also not order, for example, can wirelessly be penetrated Route end 30 or wireless access node are placed sequentially in strong signal testing position 2, middle signal testing position 4, weak signal test position Put 3;Successively wireless routing end 30 can also be placed sequentially in strong signal testing position 2, weak signal test position 3, middle signal Test position 4;Weak signal test position 3, middle signal testing position 4, strong signal testing position 2 can also be placed sequentially in.
Build radio throughput test structure between wireless terminal WiFi STA and wireless routing end WiFi Router (i.e. radio throughput test module), using Ixchairot/Endpoint testing throughput software.With further reference to Fig. 3, no The strong signal testing position of line AP5 (can also be wireless router) correspondence 2 (the A point with reference in Fig. 2), weak signal test position 3 The transmission signal position of (the B point with reference in Fig. 2), middle signal testing position 4 (with reference to the C point in Fig. 2, D point, E point), PC2 phase When in WiFi STA, Wireless Card accesses PC2 by usb, PC1 as the transmitting terminal of data, through the forwarding of AP5, so Afterwards PC2 is sent to by WiFi, the corresponding transmitting terminal of WiFi STA can be measured by this framework various in A, B, C, D, E point correspondence Maximum under signal quality (RSSI can be as one of reference factor) accepts data rate (Mbps).
First judge module 50, for when the maximum receiving data speed of wireless terminal 20, to be all higher than test position corresponding During qualified quantitative values, judge that described wireless terminal 20 is qualified;Otherwise, it is determined that described wireless terminal 20 is unqualified.
Accept signal strength signal intensity RSSI value in WiFi STA record when wireless aps are in A, B, C, D, E point, can use When Inssider radio scan tool detection goes out corresponding A, B, C, D, E point transmission signal point, WiFi STA can receive Big signal strength values.
The qualified quantitative values of current test position normal data can be set according to the measurement data of qualified products, example As selected strong signal testing position to be current location, then test is mainly to lead to after decay by air line distance, and wireless terminal produces The receptivity of product, receiving metric data needs with (the conjunction of the normal data after line correspondence range attenuation under strong signal condition Lattice quantitative values) the qualified quantitative values of normal data are compared, and are more than current test position normal data when receiving metric data Qualified quantitative values when, judge described wireless terminal qualified, otherwise, it is determined that described wireless terminal is unqualified.
Technical scheme, selectes one open environment meeting test request, first then in open ring Predeterminated position 1, fixed placement wireless terminal is selected in border;Select strong signal testing position 2, weak signal test position 3 and middle letter Number test position 4, for placing wireless routing end or wireless access node, wherein puts at wireless routing end or wireless access node When strong signal testing position 2, between wireless routing end and wireless terminal or wireless between wireless access node and wireless terminal Link, the wireless signal through wireless routing end or wireless access node forwarding that now wireless terminal reception arrives is mainly via straight line Range attenuation, signal strength signal intensity and quality are all higher, test wireless terminal in strong signal condition by radio throughput test module Under receptivity;When wireless routing end or wireless access node are placed in weak signal test position 3, the warp that wireless terminal reception arrives The wireless signal of wireless routing end or wireless access node forwarding is mainly decayed via barrier, and signal strength signal intensity and quality are all relatively Low, receptivity under weak signal state for the wireless terminal is tested by radio throughput test module;Wireless routing end or nothing When line accessed node is placed in middle signal testing position 4, wireless terminal reception to turn through wireless routing end or wireless access node The wireless signal sent out is decayed mainly due to multipath effect, signal strength signal intensity and quality between above-mentioned between the two, by wirelessly handling up Amount test module test receptivity under middle signal condition for the wireless terminal;Because open test environment is closer to wireless The use environment of end product, the interference that the wireless signal that wireless terminal product receives is subject in test process with used The interference being subject in journey is about the same, therefore by the use environment of true simulation WiFi of said method energy, improves wirelessly eventually End receives the accuracy of performance test.
Embodiment two
Referring to Fig. 7, corresponding with the second embodiment of the method for testing of above-mentioned wireless terminal reception performance, system also includes position Put determining module 10, in open environment, determine predeterminated position, strong signal testing position, weak signal test position and in Signal testing position;No position determination module 10 includes:
Choose module 11, for according to three decay factors in signal attenuation model, choosing the time of described open environment Select test position;
According to three decay factors (air line distance decay, barrier decay, multipath effect) in signal attenuation model:
A point can also will explain from WiFi signal communication theory as Wi-Fi hotspot strong signal testing point, A point is completely The line signals mode of horizon range, air line distance is probably at 4 meters about;
B point can also will be explained from WiFi signal communication theory, its WiFi completely as Wi-Fi hotspot weak signal test point The signal that STA receives is mainly to carry out spontaneous emission radio magnetic wave and penetrate remaining energy after two wall walls, after this decay Dump energy all will be weaker;
C point, D point, E point will be used as Wi-Fi hotspot msp signal test points, can also be complete from WiFi signal communication theory Explain, the signal section that its WiFi STA receives carrys out the later energy of self-gating one wall, and major part is from multipath transmissions Superposed signal.
3 points of A, B, C be completely covered transmission signal strong in weak state, the major part that can cover outdoor bad border can be normal The state of communication.
Position measurement module 12, for measuring maximum reception under the transmitting terminal at candidate's test position for the wireless terminal Data rate;
Obtain the behaviour in service of the frequency spectrum shared by WiFi signal of setting frequency range;2.4G frequency range and 5G frequency is selected in the present embodiment The WiFi signal of section, can be obtained using WiFi scanning software and check shared by 2.4G frequency range WiFi signal and 5G frequency range WiFi signal The behaviour in service of frequency spectrum;
Periphery WiFi environment is substantially noiseless or interference is less, can check WiFi2.4G frequency range using WiFi scanning software Behaviour in service with frequency spectrum shared by 5G frequency range WiFi signal.From 2.4G frequency range Wi-Fi hotspot (signal launches equipment Router or AP) Channel occupancy distribution situation in available, RSSI is that the transmission signal of -80dbm is relatively more, is all the weaker launch point of signal (RSSI be less than -70dbm), interference little to being negligible, SSID (Service Set Identifier, hereinafter referred to as SSID, the general concept being, contain ESSID and BSSID, for distinguishing different networks, wireless network card is provided with difference SSID just can enter heterogeneous networks, SSID is generally broadcast out by AP, the scan function being carried by XP can check work as SSID in forefoot area, for security consideration can not Broadcast SSIDs, now user SSID will be set by hand and could enter phase The network answered.Briefly, SSID is exactly the title of a LAN, is only set to the computer ability of the value of the identical SSID of title Communicating) focus for R7000-2.4G is the 2.4G signal of WiFi Router that will select in model, so entirely 2.4G frequency range only has the strong signal that 1 SSID is zxy, illustrates that this WiFi environment is the very little open space of interference.From 5G Can obtain in the channel occupancy distribution situation of frequency range Wi-Fi hotspot, 5G frequency range only one of which SSID is the focus letter of R7000-5G Number, it is also the 5G signal of the WiFi Router that will select in model, illustrate that this environment does not have any interference signal.
First determining module 13, for according to measured wireless terminal under the transmitting terminal at candidate's test position Big receiving data speed, determines strong signal testing position, middle signal testing position, weak signal test position.
Select the focus that SSID is R7000~setting frequency range to be model, described model selects signal conduct the strongest The transmission signal at less radio-frequency end;
Available from the channel occupancy distribution situation of 2.4G frequency range Wi-Fi hotspot, RSSI is the transmission signal ratio of -80dbm More, be all the weaker launch point of signal, interference little to being negligible, SSID is the focus of R7000-2.4G is in model The 2.4G signal of the WiFi Router that will select, whole 2.4G frequency range only has the strong signal that 1 SSID is zxy.From 5G frequency range Can obtain in the channel occupancy distribution situation of Wi-Fi hotspot, 5G frequency range only one of which SSID is the focus signal of R7000-5G, It is also the 5G signal of the WiFi Router that will select in model.
Record all metric data of currently selected test point with data form, so that decision-making goes out fixing WiFi STA position Three kinds of different signal strength signal intensities and quality five standard testing points, be shown in Table 2.
Embodiment three
Corresponding with the 3rd embodiment of the method for testing of above-mentioned wireless terminal reception performance, referring to Fig. 8, described system is also wrapped Include environment and confirm module 60, environment confirms that module 60 includes:
Second judge module 61, for judging the sighting distance of open space whether in preset range, and described open space Inside whether there are multiple rooms;The sighting distance selecting space typically requires 15 meters of satisfaction, specifically can be measured by distance measuring sensor, Judged in conjunction with the determining program in software;Need the room of more than three in open space, specifically can pass through camera To complete with determining program;If meet above-mentioned condition to carry out following step more simultaneously, this is similar with true environment, the standard of test Really property is higher;
Check module 62, for the sighting distance in described open space in preset range, and have many in described open space During individual room, check the behaviour in service of frequency spectrum shared by the WiFi signal of setting frequency range;If meet the feelings of above-mentioned two condition simultaneously Under condition, call frequency spectrum shared by the WiFi signal of setting frequency range further, and check behaviour in service;
Second determining module 63, for being less than default in the transmission signal number not receiving transmission signal or receive During number, determine that described open space is open environment.First, with respect to closed environment, in open environment, wireless signal declines Subtract more severe;Secondly, in open environment, for WiFi STA receiving-end product, the wireless signal that it receives is more susceptible to To interference;For example, when having room in open space, with respect to not having room, wireless signal needs to pass through in communication process Barrier, decay is more severe;Therefore, a predetermined number or predetermined number scope are set, low in the signal number receiving When predetermined number scope, determine that open space is open environment.
Corresponding with the 3rd embodiment of the method for testing of above-mentioned wireless terminal reception performance, described first determining module 50 In, described preset qualified quantitative values be qualified products described current test position metric data 70%.
Because it is contemplated that the potential interference of the whole machine software and hardware of actual measurement WiFi STA equipment, throughput data can be measured number According to loss 30% as the qualified quantitative values of normal data, all WiFi STA equipment to be measured are needed to do performance in this model During measurement, all cannot be below this qualified quantitative values, be otherwise designated as unqualified, illustrate to need to do the whole of software and hardware to its WiFi further Change.Qualified quantitative criterion value only need to take handling capacity TP (throughput), referring to table 2.
Can also be tested by the way, be selected the WiFi Router that better performances have been approved by market With Wireless Card, fully ensure that the no any WiFi that is related in sending and receiving end receives and dispatches performance and the problem of connective stability.For data The confirmation of model and standard signal test point position is done and is the most effectively ensured, then the measurement data of corresponding test position 70% as qualified quantitative values.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of method of testing of wireless terminal reception performance is it is characterised in that the method comprising the steps of:
Place the wireless terminal treating side in the predetermined position of default open environment;
The wireless routing end or wireless access node that forward wireless signal are individually positioned in the strong signal in described open environment Test position, middle signal testing position, weak signal test position;
When the signal of wireless terminal reception to wireless routing end or wireless access node forwarding, measurement wireless routing end is located at works as The maximum receiving data speed of wireless terminal during front test position;
When wireless routing end or wireless access node are located at strong signal testing position, middle signal testing position, weak signal test position When the maximum receiving data speed of wireless terminal is all higher than test position corresponding default qualified quantitative values when putting, judge described nothing Line terminal is qualified;Otherwise, it is determined that described wireless terminal is unqualified.
2. the method for testing of wireless terminal reception performance as claimed in claim 1 will be it is characterised in that described will forward wireless communication Number wireless routing end or wireless access node is individually positioned in strong signal testing position in described open environment, middle signal is surveyed Include before examination position, the step of weak signal test position:
According to three decay factors in signal attenuation model, choose candidate's test position of described open environment;
Between described wireless terminal and described wireless routing end, or between described wireless terminal and described wireless access node Build radio throughput test structure, to measure maximum reception number under the transmitting terminal at candidate's test position for the wireless terminal According to speed;
According to maximum receiving data speed under the transmitting terminal at candidate's test position for the measured wireless terminal, determine strong letter Number test position, middle signal testing position, weak signal test position.
3. the method for testing of wireless terminal reception performance as claimed in claim 1 is it is characterised in that described open environment can be full The air line distance of sufficient wireless signal is weak, barrier is decayed and multipath effect.
4. wireless terminal reception performance as claimed in claim 3 method of testing it is characterised in that described in default opening The predetermined position of environment includes before placing the step of wireless terminal treating side:
Whether the sighting distance judging open space is in preset range, and whether has multiple rooms in described open space;
If so, then check the behaviour in service of the frequency spectrum shared by WiFi signal of setting frequency range;
When the transmission signal number not receiving transmission signal or receive is less than predetermined number, determine that described open space is Open environment.
5. the method for testing of wireless terminal reception performance according to claim 1 is it is characterised in that described default qualified fixed Value be qualified products described current test position metric data 70%.
6. a kind of test system of wireless terminal reception performance is it is characterised in that described system includes:
Radio throughput test module, builds between described wireless routing end and described wireless terminal, or in described wireless visit Ask between node and described wireless terminal;It is placed on strong signal testing position for measuring wireless routing end or wireless access node Put, be located at the wireless of predeterminated position during arbitrary selected current test position in weak signal test position and middle signal testing position The maximum receiving data speed of terminal;Described strong signal testing position, middle signal testing position, weak signal test position and default Position is respectively positioned in open environment;
First judge module, for when the maximum receiving data speed of wireless terminal, to be all higher than test position corresponding default qualified During quantitative values, judge that described wireless terminal is qualified;Otherwise, it is determined that described wireless terminal is unqualified.
7. the test system of wireless terminal reception performance according to claim 6 is it is characterised in that described wireless terminal connects The test system receiving performance also includes position determination module, and described position determination module includes:
Choose module, for according to three decay factors in signal attenuation model, choosing candidate's test of described open environment Position;
Position measurement module, for measuring maximum receiving data speed under the transmitting terminal at candidate's test position for the wireless terminal Rate;
First determining module, for the maximum reception under the transmitting terminal at candidate's test position according to measured wireless terminal Data rate, determines strong signal testing position, middle signal testing position, weak signal test position.
8. the test system of wireless terminal reception performance according to claim 7 is it is characterised in that described position determines mould In block, the air line distance that described open environment can meet wireless signal is weak, barrier is decayed and multipath effect.
9. the test system of wireless terminal reception performance according to claim 8 is it is characterised in that described wireless terminal connects The test system receiving performance also includes environment confirmation module, and described environment confirms that module includes:
Whether the second judge module, for judging the sighting distance of open space whether in preset range, and in described open space There are multiple rooms;
Check module, for the sighting distance in described open space in preset range, and in described open space, have multiple rooms When, check the behaviour in service of frequency spectrum shared by the WiFi signal of setting frequency range;
Second determining module, during for being less than predetermined number in the transmission signal number not receiving transmission signal or receive, Determine that described open space is open environment.
10. the test system of wireless terminal reception performance according to claim 6 is it is characterised in that described first judges In module, described preset qualified quantitative values be qualified products described current test position metric data 70%.
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