CN202856990U - Access point performance test system of wireless local area network - Google Patents
Access point performance test system of wireless local area network Download PDFInfo
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- CN202856990U CN202856990U CN 201220356144 CN201220356144U CN202856990U CN 202856990 U CN202856990 U CN 202856990U CN 201220356144 CN201220356144 CN 201220356144 CN 201220356144 U CN201220356144 U CN 201220356144U CN 202856990 U CN202856990 U CN 202856990U
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Abstract
The utility model discloses an access point performance test system of a wireless local area network. The system comprises a throughput test server, two metal machines, two adjustable attenuators, two measuring antennas, and a throughput test client-side. The throughput test server is connected with the two metal machines, and the two metal machines are respectively connected with the two measuring antennas through the two adjustable attenuators. The throughput test client-side is connected with a tested access point AP. The access point performance test system of the wireless local area network can test wireless coverage performance on the whole, and comprehensively test wireless coverage performance and directional performance of products from spots to surfaces.
Description
Technical field
The utility model belongs to the wireless communication technique field, relates to a kind of access point test macro, relates in particular to a kind of wireless local network connecting point Performance Test System.
Background technology
Along with the develop rapidly of Global Internet technology, radio network technique is develop rapidly also.Wherein 802.11 standards and wireless local area network technology (WLAN) are main forces wherein.Wireless LAN Equipments has spread all over each corner of people's life at present, and particularly the average family online generally all is to carry out internet surfing by the ADLS network that wireless local network connecting point accesses such as operators such as telecommunications.Although WLAN (wireless local area network) makes huge numbers of families request the trouble of backguy online, but WLAN (wireless local area network) is to carry out the transmitting-receiving of network signal by air medium after all, this just increases the possibility that it is subject to the interference of extraneous other signals greatly, and air is also much bigger than wire transmission to the decay of its wireless signal.So the operators such as telecommunications consider to seek some measures of quantization standards the household wireless LAN access point of its existing network collection is carried out its wireless coverage performance test, require tested access point on the basis of the prerequisite that has satisfied Chinese radio committee's standard detection and Chinese CCC authentication, the quantizating index that satisfies in addition any guarantees its wireless coverage performance, thereby makes telecommunications family wireless Internet user have good wireless network to experience.
The product of considering each manufacturer may adopt different WLAN chip solution, different Base-Band Processing and RF radio frequency design and different antenna operational versions (built-in or external).In this metric system, some performance differences that may cause for these differences, the targetedly test of respectively these points being carried out comprises the RF performance test, antenna 3D non-source test, Wi-Fi interoperation test.But a certain the performance index of reflection equipment under test that these tests all can only be unilateral, can not be the comprehensively comprehensive analysis and comparison that carries out.Such as, the RF performance of the reflection test products PCB radio-frequency front-end (not containing antenna) that the RF performance test is main, antenna 3D non-source test can only reflect separately the product antenna performance, the Wi-Fi interoperation test mainly is the compatibility of reflection product; Above 3 tests can only be unilateral the performance of reflection test product.And real energy concentrated expression test product mixed mulch energy, also need the product overall performance is tested, at this time complete machine coverage aptitude tests item just can carry out a more comprehensively comprehensive test to equipment under test, the result that test draws also can directly reflect the correlation with other three test results, by correlation analysis, judge finally whether the complete machine covering performance of test product meets the demands.
At present in the world in the test specification for the covering performance of wlan device, what usage comparison was many is the common testing scheme for Wi-Fi device RF Performance Evaluation of promulgating of CTIA and Wi-Fi alliance, also is the Wi-Fi OTA test that people are commonly called as.This testing scheme mainly is radiation-emitting and the receptivity of the complete machine of test wlan device.Although this testing scheme can comprehensively be tested overall space radio-frequency radiation characteristic and the receiving sensitivity of wlan device, but the method can not simulation test wlan device characteristic in actual use, the network performance of paying special attention to such as us comprises: connectivity, throughput, the situations such as bandwidth and time-delay.
In sum, need a kind of integrated test system, whole wireless coverage performance is tested, the wireless coverage performance of integration test product that can be from point to face.
The utility model content
Technical problem to be solved in the utility model is: a kind of wireless local network connecting point Performance Test System is provided, can carries out on the whole the wireless coverage performance test, the wireless coverage performance of the integration test product from point to face.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of wireless local network connecting point Performance Test System, described system comprises: testing throughput server, two golden machines, adjustable attenuator, measurement antenna, testing throughput client;
Described testing throughput server connects two golden machines, and two golden machines connect by adjustable attenuator respectively measures antenna; Described testing throughput client connects tested access point AP.
As a kind of preferred version of the present utility model, described system comprises two measurement antennas, two adjustable attenuators; Tested AP is placed on the turntable table of test antenna setpoint distance, and the antenna of tested AP and test antenna are on same level;
Described testing throughput server, two golden machines, two adjustable attenuators are arranged in the shielded enclosure, and testing throughput client, turntable table, two measurement antennas are arranged in the anechoic chamber.
As a kind of preferred version of the present utility model, two prevention at radio-frequency port of two golden machines link to each other with a pair of test antenna in the anechoic chamber by radio frequency cable respectively; Set two golden machines and be operated in different frequency ranges.
The beneficial effects of the utility model are: the wireless local network connecting point Performance Test System that the utility model proposes, can carry out the wireless coverage performance test, wireless coverage performance, the directional performance of the integration test product from point to face on the whole.Used professional applied in network performance test instrument among the embodiment of the present utility model, it can be used stream by Reality simulation and assess the network equipment under the real loading condition and the performance of system, thereby more can truly reflect the performance of wlan device under true environment for use, meet telecommunications and formulated originally the original intention of this testing standard, reach good customer experience.
Description of drawings
Fig. 1 is the composition schematic diagram of the utility model access point covering performance test macro.
Fig. 2 is the schematic diagram of conduction transmitting power test.
Fig. 3 is the schematic diagram of antenna radiation performance test.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
This good darkroom of utility model utilization environment, formulating one can the whole wireless coverage performance test of concentrated expression household wireless LAN access point.
See also Fig. 1, the utility model has disclosed a kind of wireless local network connecting point Performance Test System, and described system comprises: testing throughput server 21, two golden machines 22, two adjustable attenuators 23, two measurement antennas 14, testing throughput client 11.Wherein, the selection of golden machine is to choose the wireless LAN card that has 802.11abgn and possess the 2X2MIMO characteristic that is widely used on the market and passed through the Wi-Fi Alliance authentication as the golden machine of test.
Described testing throughput server 21 connects two golden machines 22, set two golden machines 22 be operated in different frequency ranges (as a golden machine be operated in the 2.4GHz frequency range, a golden machine is operated in the 5GHz frequency range), two golden machines 22 connect two measurement antennas 14 by two adjustable attenuators 23 respectively; In the present embodiment, two prevention at radio-frequency port of two golden machines 22 link to each other with a pair of measurement antenna 14 in the anechoic chamber 10 by radio frequency cable, adjustable attenuator 23 respectively.Described testing throughput client 11 connects tested access point AP 12.
As shown in Figure 1, tested AP12 is placed on the turntable table of test antenna 14 setpoint distances, and the antenna 13 of tested AP and test antenna 14 are on same level; Described testing throughput server 21, two golden machines 22, two adjustable attenuators 23 are arranged in the shielded enclosure 20, and testing throughput client 11, turntable table, two measurement antennas 14 are arranged in the anechoic chamber 10.
In the present embodiment, test environment is selected is 3 meters method fully anechoic chambers 10 of standard of 9 meters * 6 meters * 6 meters and adjacent shielded enclosure 20 with it.As shown in Figure 1, tested AP 12 is placed on the turntable table of 3 meters of test antennas, tested AP antenna 13 and test antenna 14 are on same level, and tested AP 12 is connected with a computer (testing throughput client 11) that testing throughput software I xiaChariot Endpoint is housed by Ethernet interface.The single polarization horn antenna of a pair of standard of tested antenna 13 usefulness.Gold machine 22 selects that usage comparison is general on the market, performance wireless network card more stable and that support 802.11n MIMO 2X2.As shown in Figure 1, golden machine 22 is installed on the well behaved computer (testing throughput server 21), the testing throughput software I xiaChariot that this computer is installed.Two prevention at radio-frequency port of gold machine 22 link to each other with a pair of test antenna 14 in 3 meters method fully anechoic chambers by radio frequency cable respectively.Directly added adjustable attenuator 23(0-100dB at test antenna 14 and golden machine 22) change the RF signal strength signal intensity, in simulation strong and weak signals situation, carry out the aptitude tests of complete machine coverage.
In test cases, turntable all can have 0 degree and 90 tests of spending under two kinds of RF signal environments, also can comprehensive consideration equipment under test complete machine adds directivity and the spreadability of antenna by this point.
The utility model wireless local network connecting point Performance Test System be used for the performance test of test wireless local network connecting point, its method comprises the steps:
Testing throughput under [step S10] good RF signal environment, under good RF signal environment, carry out testing throughput, consider tested AP its wireless network data transmission performance under desirable signal environment, logging test results is for the testing throughput under the weak signal environment of back provides judging basis.
Described step S10 can comprise the steps:
Step S11, adjustable attenuator is transferred to set point, so that the RF signal is good;
Step S12, the channel value of tested AP is set, and sets bandwidth;
Step S13, the golden machine of use and tested AP establish a communications link, and guarantee network-in-dialing;
The testing throughput software of step S14, operation testing throughput server allows tested AP send setting data stream to golden machine, operation setting-up time, and logging test results;
Step S15, turntable is rotated set angle, repeating step S13, S14;
Step S16, change the channel value of tested AP, repeating step S13, S14, S15 as required.
In the present embodiment, described step S10 comprises the steps:
Step S11, adjustable attenuator is transferred to 30dB;
Step S12, the channel that tested AP is set are 1, and bandwidth is 20MHz, and other are default setting;
Step S13, the golden machine of use and tested AP establish a communications link, and Sampling network is communicated with;
The testing throughput software I xia Chairot of step S14, operation testing throughput server allows tested AP send some data flow to golden machine, and script adopts " Throughput ", and be 60 seconds running time, and logging test results;
Step S15, turntable is rotated 90 °, repeating step S13, S14;
Step S16, the channel that changes tested AP respectively are 6 and 11, repeating step S13, S14, S15.
Testing throughput under [step S20] weak RF signal environment carries out testing throughput under weak RF signal environment, simulate tested AP wireless network data transmission performance under the remote RF RST, logging test results by adjustable attenuator.
Described step S20 can comprise the steps:
Step S21, adjustable attenuator is transferred to set point, so that the RF signal is small and weak;
Step S22, the channel value of tested AP is set, and sets bandwidth;
Step S23, the golden machine of use and tested AP establish a communications link, and guarantee network-in-dialing;
The testing throughput software of step S24, operation testing throughput server allows tested AP send setting data stream to golden machine, operation setting-up time, and logging test results;
Step S25, turntable is rotated set angle, repeating step S23, S24;
Step S26, the channel that changes tested AP respectively are 6 and 11, repeating step S23, S24, S25.
In the present embodiment, described step S20 comprises the steps:
Step S21, adjustable attenuator is transferred to 60dB;
Step S22, the channel that tested AP is set are 1, and bandwidth is 20MHz, and other are default setting;
Step S23, the golden machine of use and tested AP establish a communications link, and can lead to by PING;
The testing throughput software I xia Chairot of step S24, operation testing throughput server allows tested AP send 4 data flow to golden machine, and script adopts " Throughput ", and be 60 seconds running time, and logging test results;
Step S25, turntable is rotated 90 °, repeating step S23, S24;
Step S26, the channel that changes tested AP respectively are 6 and 11, repeating step S23, S24, S25.
[step S30] is according to the testing throughput result of tested AP under good RF signal environment, the testing throughput result of tested AP judges the wireless coverage performance of tested AP under weak RF signal environment.
Test result has reflected that it judges with the data traffic transmission performance of golden machine equipment whether the up-downgoing index of test throughput all reaches the data transmission rate of 50Mbps to tested AP when closely using under the good RF signal.
Test result has reflected tested AP and golden machine its data transmission performance under long distance environment under the weak RF signal, judges whether the up-downgoing index of test throughput all reaches the data transmission rate of 5Mbps.
If under good RF signal, the up-downgoing index of test throughput reaches the data transmission rate of 50Mbps, and the up-downgoing index of test throughput reaches the data transmission rate of 5Mbps under weak RF signal, thinks that then wireless coverage is functional.
Both guarantee the data transmission performance stability of the tested AP under the strong signal by the test of these two kinds simulation unlike signal network environments, and also can guarantee to satisfy under the weak signal user's experience reliability of surfing the Net.
Described step S10 is or/and among the step S20, test tested AP difference towards the time the wireless network data transmission performance, and logging test results; Among the described step S30, according to tested AP difference towards the time test result judge the directivity of tested AP.
The testing throughput of having selected 0 degree and 90 degree both directions to carry out in the test of the present embodiment, so-called 0 degree is exactly to be to face between test antenna and the tested AP antenna, between do not have angle, like this test be the data processing performance that is in maximum coupling situation in order to test tested AP antenna and test antenna.And angle is 90 when spending, tested AP antenna and the test antenna data-handling capacity in minimum coupling situation.Test result by two extreme antenna-coupled angles reflects the wireless coverage performance of tested AP under this 360 degree environment.
Embodiment two
The difference of the present embodiment and embodiment one is, also comprises RF conductive performance test process, antenna radiation performance (passive and active) test process etc. in the present embodiment.Concrete method of testing is as follows:
[test of RF conductive performance]
1, conduction transmitting power test
Test purpose: mainly come to provide judging basis for other test results of back as the basis by test conduction transmission power level.
Testing process (as shown in Figure 2):
1) tested AP is set and is operated in the 802.11b pattern, speed is 11Mbps, and channel is followed successively by 1,6,11, launches continuously and Maximum Power Output, measures the power output of tested AP with VSA.
2) tested AP is set and is operated in the 802.11g pattern, speed is 6,12,24,36,54Mbps, and channel is followed successively by 1,6,11, launches continuously and Maximum Power Output, measures the power output of tested AP with VSA.
3) tested AP is set and is operated in the 802.11a pattern, speed is 6,12,24,36,54Mbps, and channel is followed successively by low, in, height is launched and Maximum Power Output continuously, measures the power output of tested AP with VSA.
Decision rule: see Table 1 standard limited value requirement.
Table 1 standard limited value requires table
[antenna radiation performance (passive and active)]
1, antenna gain and efficient (non-source test 3D) test
Test purpose: antenna type and the specification of producing usefulness in view of distinct device manufacturer are had nothing in common with each other, and cause the gain of antenna itself and efficient also to be had nothing in common with each other, and this also can have a significant impact the covering performance of equipment under test integral body.
Testing procedure:
1) according to connecting test equipment shown in Figure 3;
2) use the network vector analyzer to be connected with tested antenna, turntable and support bar rotate take 15 ° as step-length, and angle of every rotation is carried out a radiant power test;
3) test finish after, record tested AP on each test point of three-dimensional sphere test result and the three-dimensional radiological of transmitting power;
4) change network vector analyzer output frequency repeating step 3,4.
Decision rule: see Table the standard limited value requirement in 2.
Table 2 standard limited value requires table
2, the total active test of isotropically radiated power TRP(3D) test
Test purpose: by to the test of complete machine in three dimensions all directions radiated transmission power, understand and reflect the radiance of complete machine.
Testing procedure:
1) according to connecting test equipment shown in Figure 3;
2) channel that tested AP is set is 6, and speed is 11Mbps, and Maximum Power Output;
3) use WLAN (wireless local area network) OTA test macro and tested AP to establish a communications link, turntable and support bar rotate take 15 ° as step-length, and angle of every rotation is carried out a radiant power test;
4) test finish after, record tested AP on each test point of three-dimensional sphere test result and the three-dimensional radiological of transmitting power;
5) speed of the tested AP of change is 54Mbps, Maximum Power Output, repeating step 3,4.
Decision rule: see Table the standard limited value requirement in 3.
Table 3 standard limited value requires table
3, the total active test of omnidirectional radiation receiving sensitivity TIS(3D) test
Test purpose: by to the test of complete machine in three dimensions all directions receiving sensitivity, understand and reflect the radiation receiving sensitivity of complete machine.
Testing procedure:
1) according to connecting test equipment shown in Figure 3;
2) channel that tested AP is set is 6, and speed is 11Mbps;
3) use WLAN (wireless local area network) OTA test macro and tested AP to establish a communications link, turntable and support bar rotate take 30 ° as step-length, whenever rotate to an angle and carry out a receiver sensitivity test;
4) after test is finished, record test result and the receiver sensitivity of tested AP on each test point of three-dimensional sphere;
5) speed of the tested AP of change is 54Mbps, repeating step 3,4.
Decision rule: see Table the standard limited value requirement in 4.
Table 4 standard limited value requires table
In sum, wireless local network connecting point Performance Test System and the method for testing thereof that the utility model proposes can be carried out the wireless coverage performance test on the whole, wireless coverage performance, the directional performance of the integration test product from point to face.Used professional applied in network performance test instrument among the embodiment of the present utility model, it can be used stream by Reality simulation and assess the network equipment under the real loading condition and the performance of system, thereby more can truly reflect the performance of wlan device under true environment for use, meet telecommunications and formulated originally the original intention of this testing standard, reach good customer experience.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (3)
1. a wireless local network connecting point Performance Test System is characterized in that, described system comprises: testing throughput server, two golden machines, adjustable attenuator, measurement antenna, testing throughput client;
Described testing throughput server connects two golden machines, and two golden machines connect by adjustable attenuator respectively measures antenna; Described testing throughput client connects tested access point AP.
2. wireless local network connecting point Performance Test System according to claim 1 is characterized in that:
Described system comprises two measurement antennas, two adjustable attenuators;
Tested AP is placed on the turntable table of test antenna setpoint distance, and the antenna of tested AP and test antenna are on same level;
Described testing throughput server, two golden machines, two adjustable attenuators are arranged in the shielded enclosure, and testing throughput client, turntable table, two measurement antennas are arranged in the anechoic chamber.
3. wireless local network connecting point Performance Test System according to claim 1 and 2 is characterized in that:
Two prevention at radio-frequency port of two golden machines link to each other with a pair of test antenna in the anechoic chamber by radio frequency cable respectively; Set two golden machines and be operated in different frequency ranges.
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| CN 201220356144 CN202856990U (en) | 2012-07-23 | 2012-07-23 | Access point performance test system of wireless local area network |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102790991A (en) * | 2012-07-23 | 2012-11-21 | 上海同耀通信技术有限公司 | System and method for testing performance of AP in WLAN |
| CN103619041A (en) * | 2013-12-13 | 2014-03-05 | 南京智微亚通信科技有限公司 | Method for testing handling capacity of CPE (customer premises equipment) |
| CN104113856A (en) * | 2014-07-24 | 2014-10-22 | 工业和信息化部通信计量中心 | Equipment performance testing system and testing method applicable to WLAN (Wireless Local Area Network) network |
| CN104144444A (en) * | 2014-07-24 | 2014-11-12 | 工业和信息化部通信计量中心 | WLAN network performance testing method and system |
| CN105281846A (en) * | 2014-07-17 | 2016-01-27 | ***通信集团公司 | Test method and device for throughput of terminal |
| CN105898781A (en) * | 2016-05-13 | 2016-08-24 | 上海斐讯数据通信技术有限公司 | System and method for testing optimal throughput of wireless AP (Access Point) |
| CN106255143A (en) * | 2016-09-30 | 2016-12-21 | 深圳市吉祥腾达科技有限公司 | A kind of wireless performance test system of wireless device |
| CN106332108A (en) * | 2016-09-30 | 2017-01-11 | 深圳市吉祥腾达科技有限公司 | Constructing method for domestic wireless product anti-interference testing environment |
| CN106507395A (en) * | 2016-11-18 | 2017-03-15 | 上海斐讯数据通信技术有限公司 | A kind of Performance Test System of wireless extensions device and its method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102790991A (en) * | 2012-07-23 | 2012-11-21 | 上海同耀通信技术有限公司 | System and method for testing performance of AP in WLAN |
| CN103619041A (en) * | 2013-12-13 | 2014-03-05 | 南京智微亚通信科技有限公司 | Method for testing handling capacity of CPE (customer premises equipment) |
| CN105281846A (en) * | 2014-07-17 | 2016-01-27 | ***通信集团公司 | Test method and device for throughput of terminal |
| CN105281846B (en) * | 2014-07-17 | 2018-03-23 | ***通信集团公司 | A kind of method of testing and equipment of terminal throughput performance |
| CN104113856A (en) * | 2014-07-24 | 2014-10-22 | 工业和信息化部通信计量中心 | Equipment performance testing system and testing method applicable to WLAN (Wireless Local Area Network) network |
| CN104144444A (en) * | 2014-07-24 | 2014-11-12 | 工业和信息化部通信计量中心 | WLAN network performance testing method and system |
| CN104144444B (en) * | 2014-07-24 | 2017-09-22 | 工业和信息化部通信计量中心 | A kind of WLAN network performance test method and system |
| CN104113856B (en) * | 2014-07-24 | 2017-09-29 | 工业和信息化部通信计量中心 | Suitable for the equipment performance test system and method for testing of wlan network |
| CN105898781A (en) * | 2016-05-13 | 2016-08-24 | 上海斐讯数据通信技术有限公司 | System and method for testing optimal throughput of wireless AP (Access Point) |
| CN106255143A (en) * | 2016-09-30 | 2016-12-21 | 深圳市吉祥腾达科技有限公司 | A kind of wireless performance test system of wireless device |
| CN106332108A (en) * | 2016-09-30 | 2017-01-11 | 深圳市吉祥腾达科技有限公司 | Constructing method for domestic wireless product anti-interference testing environment |
| CN106507395A (en) * | 2016-11-18 | 2017-03-15 | 上海斐讯数据通信技术有限公司 | A kind of Performance Test System of wireless extensions device and its method |
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