CN102281111B - The antenna performance method of testing of a kind of LME and system - Google Patents
The antenna performance method of testing of a kind of LME and system Download PDFInfo
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- CN102281111B CN102281111B CN201010207488.7A CN201010207488A CN102281111B CN 102281111 B CN102281111 B CN 102281111B CN 201010207488 A CN201010207488 A CN 201010207488A CN 102281111 B CN102281111 B CN 102281111B
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Abstract
The invention discloses the antenna performance method of testing of a kind of LME, the method mainly comprises: be communicated with the system simulator being used for analog network base station by the computer being mounted with the LME to be measured being placed in darkroom; Carry out in the process that communicate by described LME to be measured with described system simulator at described computer, record the antenna performance parameters of described LME to be measured.The invention also discloses the antenna performance test macro of a kind of LME, what the present invention can guarantee that LME antenna performance tests completes smoothly, and effective impact reducing computer and LME antenna performance is tested, record LME antenna performance parameters accurately, thus realize the accurate evaluation of LME antenna performance.
Description
Technical field
The present invention relates to antenna performance measuring technology, particularly relate to antenna performance method of testing and the system of a kind of LME.
Background technology
In recent years, along with the technology of WLAN (wireless local area network) is fast-developing, product is ripe gradually, and the application of WLAN (wireless local area network) also becomes increasingly abundant.Increasing domestic consumer brings into use WAP (wireless access point) to set up conveniently family wireless broadband network; Many enterprises are also numerous and confused lays WLAN (wireless local area network), for employee provides efficient wireless broadband Internet access in the office block of oneself; Meanwhile, telecom operators also give very big concern to WLAN (wireless local area network), domestic and international each large operation commercial city energetically on airport, hotel, the public domain such as coffee shop lay public wireless lan, for vast telecommunication user provides wireless broadband access service.For some limitation of WLAN (wireless local area network), IEEE proposes WLAN standard---the 802.11n of a new generation.802.11n is compared with the WLAN standard such as 802.11a/b/g in the past, and performance has had and very significantly improves, and network transfer speeds reaches as high as 600Mbit/s, and this allows WLAN (wireless local area network) one jump and enters the ranks of express network.In addition, intelligent antenna technology also makes the coverage of WLAN (wireless local area network) extend to several square kilometres.The more important thing is, 802.11n makes WLAN (wireless local area network) obtain larger adaptive capacity to environment.
Due to popularizing of WLAN (wireless local area network), though the necessaries of WLAN (wireless local area network)---wireless network card is little, but a huge market is involved, as long as load onto a wireless network card at notebook computer (laptop), as long as the region covered there being wireless network, can untrammeled online working or surfing.Thisly seem the component that unreachable dream becomes the modern life just silently.Now, a lot of manufacturer is all using the powerful mean of wireless network card as self laptop scientific and technological content of lifting.
Therefore, in the wireless network epoch, destiny and the wireless network card of laptop are closely bound up, the occasion that any application laptop surfs the Net, nearly all wireless network card will be used, the demand of wireless network card and day are increased severely, also more and more higher to the requirement of the quality of wireless network card, thus caused the research and development of wireless network card and manufactured overbearing tide.
At present, including wireless network card interior all computer auxiliary devices (LME, LaptopMountedEquipment), is the focus of recent Ge great operator and manufacturer's research.
In the R&D process of LME, need to test LME.The test of the radio-frequency performance of LME, the test of the antenna performance of LME, the test etc. of LME software merit rating are mainly comprised to the test of LEM.In the test process of LME, need LME to be carried in laptop to carry out.In actual test, the various materials of laptop, various model, internal structure are different, the arrangement of each port on laptop surface is also different, these can have an impact to the result of LME test, and whether laptop carries attached device such as the subtended angle of the equipment such as charger, USB flash disk, mouse and laptop screen and light and shade is arranged, and also can have an impact to LME test.Therefore, need to consider in the test process of LME the impact that the performance characteristics of laptop is brought, the various performances of LME could be measured more accurately and effectively.
At present, in existing antenna performance measuring technology, only propose the antenna performance method of testing being applicable to mobile terminal such as mobile phone, the method is mainly: in darkroom, terminal to be measured is connected with the system simulator being used for anolog base station by radio, when terminal to be measured and system simulator are conversed, measured the antenna performance parameters of terminal to be measured in communication process by system simulator.In test process, terminal to be measured does not need carrier.Therefore, the method does not consider the impact of carrier on terminal antenna performance test to be measured.If the method to be used for the antenna performance test of LME, will due to the impact that laptop cannot be avoided to test LME antenna performance, and the result causing LME antenna performance to be tested is inaccurate, and then the antenna performance of LME cannot be gone out by accurate evaluation.
Therefore, need propose a kind of LME of being applicable to and accurately can test the new method of LME antenna performance.
Summary of the invention
In view of this, the method and system that main purpose of the present invention is to provide the antenna performance of a kind of LME to test, to solve the problem that the test of existing antenna performance can not be applicable to the antenna performance test of LME.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of antenna performance method of testing of computer auxiliary device (LME), described method comprises:
By being mounted with the computer of the LME to be measured being placed in darkroom, be communicated with the system simulator for analog network base station;
Carry out in the process that communicate by described LME to be measured with described system simulator at described computer, record the antenna performance parameters of described LME to be measured.
Described the computer being mounted with LME to be measured to be communicated with the system simulator being used for analog network base station, specifically to comprise: the running parameter that described system simulator is set; Described LME to be measured is loaded on described computer, and is described computer power supply; Described LME in described darkroom and described system simulator are passed through radio connectivity.
The concrete mode that described LME to be measured is loaded on described computer comprises: be inserted on described computer by described LME to be measured by interface; Or, described LME to be measured is connected on described computer by connecting line.
Described is inserted into described LME to be measured on described computer by interface, is specially: described LME to be measured is inserted by USB interface is horizontal or perpendicular is inserted or mode that folding is inserted is inserted on described computer.
Described connecting line is specially: the connecting line being surrounded by anti-electromagnetic radiation material outward, or, adopt the connecting line that the little raw material of electromagnetic radiation is made.
For the concrete mode of described computer power supply comprises: described computer is powered by external power line external power supply; By being equipped with battery for described computer, come for described computer power supply.
Carry out in the process that communicate by described LME to be measured with described system simulator at described computer, record the antenna performance parameters of described LME to be measured, comprising: the running parameter that described computer is set; By described system simulator adjustment under loopback mode; Described computer carries out successional network data exchange between being simulated by described LME to be measured and described base station, records the antenna performance parameters of described LME to be measured.
The running parameter arranging described computer includes but not limited to: arrange the network state parameters of computer, operating system and background light parameter.
An antenna performance test macro of LME, described system comprises: computer, system simulator and LME to be measured, and described LME to be measured is loaded on described computer, and described computer is communicated with described system simulator, wherein,
Computer, for communicating with described system simulator by described LME to be measured;
System simulator, for analog network base station, and is carrying out in the process communicated with described computer, is recording the antenna performance parameters of described LME to be measured.
Described LME to be measured is inserted on described computer by interface, or, be loaded on described computer by connecting line.
Described LME to be measured is specially network interface card to be measured.
Described computer, specifically also comprises: for the external power supply line of external power supply, and/or for the battery for described computer power supply.
The present invention proposes a kind of the antenna performance method of testing and the system that are applicable to LME, by LME to be measured is loaded on computers, and computer is communicated with system simulator, when computer is communicated with system simulator by LME to be measured, recorded the antenna performance parameters of described LME to be measured in darkroom by system simulator.The present invention be also loaded in by arranging LME to be measured computer mode, arrange computer running parameter and by system simulator adjustment at loopback mode, guarantee that the test of LME antenna performance can complete smoothly, the impact that effective minimizing computer is tested LME antenna performance, record LME antenna performance parameters accurately, thus realize the accurate evaluation of LME antenna performance.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of LME antenna performance test macro of the present invention;
Fig. 2 is the realization flow figure of LME antenna performance method of testing of the present invention;
Fig. 3 is that network interface card to be measured is inserted into a kind of mode of computer by USB interface;
Fig. 4 is that network interface card to be measured is inserted into the another kind of mode of computer by USB interface;
Fig. 5 is that network interface card to be measured is inserted into the another kind of mode of computer by USB interface;
Fig. 6 is that network interface card to be measured is inserted into the another kind of mode of computer by USB interface.
Embodiment
The antenna performance method of testing of a kind of LME of the present invention, with reference to shown in Fig. 1, mainly comprises the following steps:
Step 101: by being mounted with the computer of the LME to be measured being placed in darkroom, be communicated with the system simulator for analog network base station;
Step 102: carry out in the process communicated by described LME to be measured with described system simulator at described computer, records the antenna performance parameters of described LME to be measured.
The antenna performance test macro of a kind of LME of the present invention, with reference to shown in Fig. 2, mainly comprises: computer 21, system simulator 22 and LME23 to be measured, wherein, LME23 to be measured is loaded on computer 21, and system simulator 22 is communicated with computer 21, for analog network base station.During test, computer 21 is communicated with system simulator 22 by LME23 to be measured, records the antenna performance parameters of described LME23 to be measured.Wherein, described computer, specifically can also comprise: for the external power supply line of external power supply, and/or for the battery for described computer power supply.
Here, described computer can be specifically: can carry out by LME to be measured and system simulator any one equipment of communicating, can be general laptop computer, desktop computer, palmtop PC, also can be that this equipment can be similar to electromagnetic radiation from computer characteristic specially for the test of LME antenna performance manufactures, has the equipment of the simplification of above-mentioned functions.Other, as customer terminal equipment (CPE, CustomerPremiseEquipment) etc.
Here, described LME can be specifically network interface card, also can be the computer auxiliary device that data card etc. has antenna.
Wherein, in darkroom, before the computer being mounted with LME to be measured is communicated with the system simulator being used for analog network base station, need first to arrange initial test environment, particularly, the running parameter in described darkroom is set, as the parameter such as temperature, voltage in darkroom, with the demand making described darkroom can reach actual test.
Afterwards, described LME to be measured and/or the computer that is used for loading described LME to be measured are placed in described darkroom.In described darkroom, be communicated with the system simulator being used for analog network base station by the computer being mounted with LME to be measured, detailed process is as follows: arrange the running parameters such as the physical channel parameters of described system simulator, voltage, frequency; Then, be loaded at the LME described to be measured being placed in darkroom on described computer, and be described computer power supply; Finally, described computer and described system simulator are passed through radio connectivity, makes can communicate between described computer with described system simulator; .
In actual test process, described LME to be measured is loaded on described computer, specifically can be realized by following two kinds of modes: be inserted on described computer, by connecting line by interface and be connected on described computer.Wherein, described interface can be USB interface, also can be that special LME interface is as network card interface etc., particularly, adopt mode LME to be measured being inserted into computer by interface, when testing, the computer being mounted with LME to be measured is needed to be placed on the testing stand in darkroom, at this moment, need to select suitable inserted mode, with the impact better avoiding computer to test LME antenna performance to be measured; LME to be measured is connected to the mode on described computer by employing connecting line, when testing, can only LME to be measured be placed on the testing stand in darkroom, computer is placed on outside darkroom, like this, effectively can avoid the impact that electromagnetic radiation from computer is tested LME antenna performance to be measured, but need to choose the connecting line that the little raw material of electromagnetic radiation is made or the material wrapping anti-electromagnetic radiation outside connecting line, like this, the electromagnetic radiation of connecting line can be avoided to have an impact to LME antenna performance test to be measured.Such as, the inside of described connecting line can be specifically general conventional wire rope, and as copper cable, the outer wrap of connecting line has insulating material as rubber etc.
In practical application, the antenna performance for network interface card is tested, and different inserted mode can affect the test result of network interface card antenna performance.Therefore, when network interface card to be measured being inserted into described computer by USB interface, need to choose suitable USB inserted mode.The USB inserted mode of existing network interface card comprise horizontally to insert, perpendicularly to insert, folding inserts, and particularly, before test, by testing various different inserted mode, can find the USB inserted mode of applicable current testing requirement.
Such as, table 1 lists network interface card to be measured when adopting variant USB inserted mode to be connected with computer, the antenna performance parameters of the network interface card to be measured recorded, and wherein, as shown in Figure 3, Case1 represents that network interface card to be measured and computer keyboard plane parallel insert the upper right corner; As shown in Figure 4, Case2 represents the network interface card to be measured slotting lower left corner parallel with keyboard plan; As shown in Figure 5, Case3 represents that network interface card to be measured and computer keyboard plane orthogonal insert the upper right corner; As shown in Figure 6, Case4 represents that network interface card to be measured and computer keyboard plane orthogonal insert the lower left corner.
| Case1 | Case2 | Case3 | Case4 | |
| TRP | 21.637dbm | 21.723dbm | 20.579dbm | 20.617dbm |
| TRS | -103.568dbm | -103.553dbm | -102.533dbm | -102.605dbm |
Table 1
In Table 1, average radiating power (TRP, and radiosusceptibility (TRS TotalRadiatedPower), TotalRadiatedSensitivity) be the antenna performance parameters of the network interface card to be measured finally recorded respectively, from the data of table 1, the different impact of network interface card modes of emplacement on result is different, wherein, the test result that Case1 and Case2 obtains is similar, and the test result that Case3 and Case4 obtains is similar.Therefore, in USB inserted mode, be parallel or perpendicular to the Influence on test result of computer keyboard plane to test larger, and the where inserting in described computer is little on test result impact, in actual test, according to the above results, the USB inserted mode of applicable current testing requirement can be determined.
Generally, in prior art, the antenna performance test of mobile phone does not need the problem considering power supply, because the stand-by time of battery of mobile phone is longer, can not cause test midway circut breaking.But, computer battery stand-by time is shorter, and the time that antenna performance test continues is general longer, therefore, be computer power supply by common computer battery, probably can cause power-off in the midway of test, the process of impact test, so in the antenna performance test of LME, need the supply power mode problem considering computer.
In actual test, for the concrete mode of described computer power supply can comprise: described computer is powered by external power line external power supply; For described computer is equipped with high power capacity, high performance battery, be described computer power supply by battery.
Wherein, when being powered by the mode of external power supply line, if needing computer to be placed in darkroom tests, then need for suitable putting position selected by external power line, impact LME antenna performance tested with the electromagnetic radiation reducing power line as far as possible.Particularly, during actual test, external power line can be vertically arrange along the important actor of testboard in darkroom; Also vertically around the important actor surface of testboard, or also power line can be dragged the earth's surface in darkroom, the earth's surface along darkroom distributes.In addition, when the length of power line is shorter, the extended line by having retractility can also be connected with power line.
Wherein, being described computer power supply by being equipped with the mode of battery, needing inspection institute to be before testing equipped with the sustainable time of battery.Generally, the antenna performance for network interface card is tested, and needs the stand-by time of battery can reach 10 hours or more, therefore, in the antenna performance test of LME, needs to be equipped with high power capacity, high-performance, the battery in long cruising time.
Wherein, carry out in the process communicated at described computer by described LME to be measured with described system simulator, record the antenna performance parameters of described LME to be measured, detailed process is as follows: the work in every parameter arranging computer; Adjust described system simulator and be operated in loopback mode; Computer, by carrying out successional exchanges data between LME to be measured and system simulator, records the antenna performance parameters of described LME to be measured.
Particularly, the work in every parameter of computer can comprise: the network state parameters of computer, operating system and background light parameter.
During actual test, the setting up procedure of computer work in every parameter comprises: the operating system of seletion calculation machine, existing major operating system is: Windows, Linux, Android, the impact tested LME antenna performance to be measured due to variant operating system is different, can select an operating system according to actual testing requirement; The brightness of regulating calculation machine background light is to the brightest, and generally when background light brightness is the brightest, the impact that computer is tested LME antenna performance to be measured is less; The network state parameters of computer is set, computer is made to be in automatic coupling net state, like this, when communication network between test process Computer and system simulator interrupts, computer by Automatic-searching network and interconnection network again, thus ensure that the continuity that LME antenna performance to be measured is tested and integrality.
After the running parameter of computer is provided with, under system simulator is adjusted to loopback mode, described computer carries out successional network data exchange by LME to be measured and described system simulator, here, the network exchange mode between system simulator and computer can be set to circuit switching or packet switching.
Wherein, system simulator records the antenna performance parameters of LME to be measured, detailed process is as follows: carrying out in network data exchange process with computer, the position of computer is set, make the antenna of LEM to be measured be in the direction tested in plane, here, the diverse location of computer makes the antenna of LME to be measured can have two different directions in test plane, needing the position by arranging computer during test, testing the transmitting power of LME to be measured on these two different directions respectively.Afterwards, when system simulator detects that LME to be measured reaches maximum transmission power, send test massage, after computer receives described test signal by LME to be measured, return described test signal to described system simulator and in this test signal, carry transmitting power when described LME to be measured returns test signal, so, system simulator obtains transmitting power when LME to be measured returns test signal for many times, again according to following formula (1) and formula (2), calculate the antenna performance parameters such as TRP, TRS of LME to be measured.
Formula (1), P is the transmitting power of LME that system simulator obtains, to be measured when returning test signal for many times in (2), wherein, for left_low, left_mid, left_high, right_low, right_mid, right_high be LME antenna to be measured be positioned at two different directions time, the different frequency of set system simulator, here low, mid, high be respectively system simulator frequency low in high-grade, Left, right are two different directions of LME antenna to be measured.This process is prior art, and the present invention repeats no more.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an antenna performance method of testing for computer auxiliary device (LME), is characterized in that, described method comprises:
By being mounted with the computer of the LME to be measured being placed in darkroom, be communicated with the system simulator for analog network base station;
Carry out in the process that communicate by described LME to be measured with described system simulator at described computer, record the antenna performance parameters of described LME to be measured; Wherein,
Described connection with the system simulator being used for analog network base station by the computer being mounted with LME to be measured comprises: the running parameter comprising physical channel parameters, voltage, frequency arranging described system simulator; Described LME to be measured is loaded on described computer, and is described computer power supply; Described LME in described darkroom and described system simulator are passed through radio connectivity.
2. the antenna performance method of testing of LME according to claim 1, is characterized in that, the concrete mode that described LME to be measured is loaded on described computer comprises: be inserted on described computer by described LME to be measured by interface; Or, described LME to be measured is connected on described computer by connecting line.
3. the antenna performance method of testing of LME according to claim 2, it is characterized in that, described is inserted into described LME to be measured on described computer by interface, is specially: described LME to be measured is inserted by USB interface is horizontal or perpendicular is inserted or mode that folding is inserted is inserted on described computer.
4. the antenna performance method of testing of LME according to claim 2, is characterized in that, described connecting line is specially: the connecting line being surrounded by anti-electromagnetic radiation material outward, or, adopt the connecting line that the little raw material of electromagnetic radiation is made.
5. the antenna performance method of testing of LME according to claim 1, is characterized in that, for the concrete mode of described computer power supply comprises: powered by external power line external power supply by described computer; By being equipped with battery for described computer, come for described computer power supply.
6. the antenna performance method of testing of LME according to claim 1, it is characterized in that, carry out in the process that communicate by described LME to be measured with described system simulator at described computer, record the antenna performance parameters of described LME to be measured, comprising: the running parameter that described computer is set; By described system simulator adjustment under loopback mode; Described computer carries out successional network data exchange between being simulated by described LME to be measured and described base station, records the antenna performance parameters of described LME to be measured.
7. the antenna performance method of testing of LME according to claim 6, is characterized in that, the running parameter arranging described computer includes but not limited to: arrange the network state parameters of computer, operating system and background light parameter.
8. an antenna performance test macro of LME, is characterized in that, described system comprises: computer, system simulator and LME to be measured, and described LME to be measured is loaded on described computer, and described computer is communicated with described system simulator, wherein,
Computer, for communicating with described system simulator by described LME to be measured;
System simulator, for analog network base station, and is carrying out in the process communicated with described computer, is recording the antenna performance parameters of described LME to be measured; Wherein,
Described computer is communicated with described system simulator and comprises: the running parameter comprising physical channel parameters, voltage, frequency arranging described system simulator; Described LME to be measured is loaded on described computer, and is described computer power supply; Described LME in darkroom and described system simulator are passed through radio connectivity.
9. the antenna performance test macro of LME according to claim 8, is characterized in that, described LME to be measured is inserted on described computer by interface, or, be loaded on described computer by connecting line.
10. the antenna performance test macro of LME according to claim 8 or claim 9, it is characterized in that, described LME to be measured is specially network interface card to be measured.
The antenna performance test macro of 11. LME according to claim 8 or claim 9, it is characterized in that, described computer, specifically also comprises: for the external power supply line of external power supply, and/or for the battery for described computer power supply.
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| CN101635599A (en) * | 2008-07-21 | 2010-01-27 | 深圳富泰宏精密工业有限公司 | Bluetooth test system and method |
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| GB2378091B (en) * | 2001-07-24 | 2003-07-09 | Motorola Inc | Network element system method computer program and data carrier for network optimisation |
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Patent Citations (3)
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|---|---|---|---|---|
| EP1871133A1 (en) * | 2005-08-24 | 2007-12-26 | Huawei Technologies Co., Ltd. | Measurement method, method for determining measurement capability requirement and selecting service cell and terminal therefore |
| CN101415194A (en) * | 2007-10-18 | 2009-04-22 | 中兴通讯股份有限公司 | System and method for testing network card coupling |
| CN101635599A (en) * | 2008-07-21 | 2010-01-27 | 深圳富泰宏精密工业有限公司 | Bluetooth test system and method |
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