CN104601230A - Wireless test instrument and test method thereof - Google Patents
Wireless test instrument and test method thereof Download PDFInfo
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Abstract
The invention discloses a wireless test instrument and a test method thereof. The wireless test instrument comprises a wireless interface unit, a wireless control unit, a data processing unit, a data storage unit and a test unit. The method comprises that a wireless interface unit sends test instructions to the test instrument; the wireless control unit receives test instructions transmitted through the wireless interface unit, converts the test instructions into data information and sends the data information to the data processing unit; the data processing unit receives the data information sent by the wireless control unit, converts the data information into operation instructions and sends the operation instructions to the test unit; the test unit receives the operation instructions sent by the data processing unit and performs test; the data storage unit stores test data. By means of the wireless test instrument and the test method, the objectives of remote control, integration of various detection, the simple structure, the low cost, the small power consumption and the capability to be moved freely by users, which cannot be achieved in the prior art are achieved.
Description
Technical field
The present invention relates to communication test field, specifically, relate to a kind of wireless test instrument, and method of testing.
Background technology
At present, along with the development that communication network technology makes rapid progress, in order to check whether transfer of data is complete and correct in program process, Various types of data transmission measuring set arises at the historic moment, for optical tests instrument, generally speaking, need to possess following requirement, the first, highly sensitive, namely represent that the efficiency that tester changes electric current into luminous power is high; The second, fast response time, after namely referring to incident light signal, just has the signal of telecommunication to export at once; Light signal one stops, and the signal of telecommunication also stops exporting, and does not postpone.Like this incoming signal could be reappeared; 3rd, noise is little, namely in order to improve the performance of fiber optic transmission system, requires that the noise requirements of each part of system is enough little; 4th, reliable and stable, namely require the main performance of tester not to be subject to as far as possible or be subject to the impact of ambient temperature change and environmental change less, to improve stability and the reliability of system.
For network tester, along with the universalness of network and complicated, reasonable erection and normal operation of network become abnormal important, and the normal operation of Logistics networks must be set about from two aspects.One, network construction quality directly affects the follow-up use of network, so construction quality can not be ignored, must be strict with, authentication check, prevent trouble before it happens.Its two, the investigation of network failure is most important, directly affects the operational efficiency of network, must pursue high efficiency, short time.Therefore network detects auxiliary equipment and become more and more important in network construction and network operation work.And the use of test instrumentation greatly can reduce the time that network manager investigates network failure, can provide the operating efficiency of comprehensive wiring workmen, accelerate project progress and project quality, be that network detects and requisite instrument in network construction process.
Test instrumentation of the prior art, primarily of compositions such as signal input part, A/D converter, central processor CPU, displays, test display can be carried out to all kinds of analog signal, the output switch parameter that can carry out relay controls, need to carry out transfer of data by wired mode, but in actual applications, because the situation of operating mode is changeable, often need the Signal transmissions of test instrumentation to long-range recording instrument in many ways or microcomputer.
Patent document 200880019519.7 discloses a kind of process measuring instrument being applicable to radio communication, and described process measuring instrument comprises: measuring unit, is configured to the measured value determining treatment variable; Memory, is configured to the current measurement value storing described treatment variable; Wireless communication unit, is configured to access described current measurement value, and transmits described current measurement value according to the agreement for intermittent activation communication by radio communication channel; And arbitrated logic, communicate with described wireless communication unit with described measuring unit, and be configured to guarantee that the activation period of described measuring unit occurs when described radio communication un-activation, measuring unit and communication unit can carry out shared information by the read/write access of order via common storage.But this measuring instrument complex structure, also need the agreement of intermittent activation communication to pass logical measured value, complicated operation, equipment requirement is high.
Therefore, how to research and develop a kind of wireless test instrument, and method of testing, solve the problem, just become technical problem urgently to be resolved hurrily.
Summary of the invention
The subject matter that the application solves is to provide a kind of wireless test instrument, and method of testing, with solve cannot realize Long-distance Control, realize multiplely being detected as one, structure is simple, cost is low, power consumption is little and user can move freely, and need not be limited to the technical problem of test instrumentation and cable.
In order to solve the problems of the technologies described above, the invention discloses a kind of wireless test instrument, comprising: radio interface unit, wireless energy control units, data processing unit, data storage cell and test cell, wherein,
Described radio interface unit, for receiving the test instruction that external equipment sends, and/or for receiving the test result that described wireless energy control units sends;
Described wireless energy control units, for receiving the test instruction that radio interface unit transmits, converts this test instruction to data message, and this data message is sent to data processing unit; And/or for receiving the optical tests that data processing unit sends, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit;
Described data processing unit, for receiving the data message of described wireless energy control units transmission and this data message being converted to operational order, is sent to described test cell; And/or for receiving the test result of described test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units and described data storage cell;
Described data storage cell, for storing optical tests, IP RAN/PTN tests, and synchronism detection data;
Described test cell, for test light test, IP RAN/PTN tests, and synchronism detection data, and test result is sent to described data processing unit.
Further, wherein, described test cell, is optical tests unit further, comprises: laser module, pulse generating module, photoelectric conversion module and analog-to-digital conversion module, wherein,
Pulse generating module, for being connected with described data processing unit, makes described data processing unit control impuls generation module send the signal of telecommunication of setting pulsewidth;
Laser module, is sent in optical fiber for converting the described signal of telecommunication to light signal;
Photoelectric conversion module, for converting the signal reflected in optical fiber to analog signal;
Analog-to-digital conversion module, is sent to data processing unit for converting described analog signal to digital signal, to obtain fiber lengths, and dynamic range, and the measurement data of blind area.
Further, wherein, described test cell, is further, and IP RAN/PTN test cell, comprising: state machine occurrence logic module and physical signalling modular converter, wherein,
State machine occurrence logic module, for being connected with data processing unit, produces the data message meeting IP RAN/PTN standard;
Physical signalling modular converter, for receiving described data message, and be sent in network, simultaneously, accept the signal in network, and send to state machine occurrence logic module to produce corresponding state variation, then, status change data is sent to data processing unit by state machine occurrence logic module, to obtain current network conditions measurement data.
Further, wherein, described test cell is further, and synchronism detection unit, comprising: temporal logic processing module, time service clock module and accurate clock, wherein,
Described temporal logic processing module, for the collection by time service clock module and accurate clock, obtains the current accuracy time and keeps;
Described time service clock module, the network clocking inputted by the clock input interface be connected with temporal logic processing module, calculates the accuracy of network clocking;
Described accurate clock, calculates the deviation of network time by the synchronous ethernet interface be connected with temporal logic processing module, and the calibration network time.
Further, wherein,
Described data processing unit, is further: single-chip microcomputer, cpu central processing unit or microprocessor;
Described radio interface unit, is further: GPRS wave point, blue tooth interface, gsm wireless interface, wifi wave point or WCDMA wave point;
Described data storage cell, is further: hard disk, ROM memory, RAM memory or CD.
Further, wherein, described test cell also comprises key controlled module and display module.
The invention discloses a kind of method of testing, comprise the following steps:
Step 1: data cube computation set up by external equipment and test instrumentation, sends test instruction by radio interface unit to test instrumentation;
Step 2: wireless energy control units receives the test instruction that radio interface unit transmits, and converts this test instruction to data message, and this data message is sent to data processing unit;
Step 3: described data processing unit receives the data message of described wireless energy control units transmission and this data message is converted to operational order, is sent to described test cell;
Step 4: described test cell receives the operational order that data processing unit sends, and tests;
Step 5: described data storage cell is to described optical tests, and IP RAN/PTN tests, and synchronism detection data store.
The invention also discloses another kind of method of testing, comprise the following steps:
Step one: test result is sent to data processing unit by described test cell;
Step 2: described data processing unit receives the test result of described test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units;
Step 3: described data processing unit is by this optical tests, and IP RAN/PTN tests, and synchronism detection data are sent to described data storage cell and store;
Step 4: described wireless energy control units receives described optical tests, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit;
Step 5: the described signal of telecommunication is sent to external equipment by described radio interface unit, described external equipment receives this signal of telecommunication, and shows test results.
Further, wherein, described step 5 also comprises: by described electric signal transmission on computer, mobile phone, panel computer or palmtop PC, and show test results.
In addition, the invention also discloses a kind of method of testing, comprising:
Data cube computation set up by external equipment and test instrumentation, sends test instruction by the first radio interface unit to test instrumentation;
First wireless energy control units receives the test instruction that described first radio interface unit transmits, and converts this test instruction to data message, and this data message is sent to the first data processing unit;
Described first data processing unit receives the data message of described first wireless energy control units transmission and this data message is converted to operational order, is sent to described first test cell;
Described first test cell receives the operational order that the first data processing unit sends, and tests.
Described first data storage cell is to described optical tests, and IP RAN/PTN tests, and synchronism detection data store;
Test result is sent to the second data processing unit by described second test cell;
Described second data processing unit receives the test result of described second test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described second wireless energy control units;
Described second data processing unit is by this optical tests, and IP RAN/PTN tests, and synchronism detection data are sent to described second data storage cell and store;
Described second wireless energy control units receives described optical tests, and IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to the second radio interface unit;
The described signal of telecommunication is sent to external equipment by described second radio interface unit, and described external equipment receives this signal of telecommunication, and shows test results.
Compared with prior art, a kind of wireless test instrument described in the application, and method of testing, reach following effect:
(1) described wireless test instrument, comprising: radio interface unit, wireless energy control units, data processing unit, data storage cell and test cell, and structure is simple, arranges conveniently, can realize radio communication.
(2) test cell structure is simple, comprising: laser module, pulse generating module, photoelectric conversion module and analog-to-digital conversion module, can Obtaining Accurate light optical tests, and IP RAN/PTN tests, and synchronism detection data; State machine occurrence logic module and physical signalling modular converter, can Obtaining Accurate IP RAN/PTN optical tests, and IP RAN/PTN tests, and synchronism detection data; Temporal logic processing module, time service clock module and accurate clock, can Obtaining Accurate synchrodata.
(3) a kind of radio test method of the present invention, its method of testing is simple, is convenient to layman and carries out specialized communication test, only need professional to configure wireless device, just can operate instrument by other laymans, simplify and use flow process.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural principle schematic diagram of wireless test instrument of the present invention;
Fig. 2 is the first example structure schematic diagram of test instrumentation shown in Fig. 1;
Fig. 3 is the second example structure schematic diagram of test instrumentation shown in Fig. 1;
Fig. 4 is the 3rd example structure schematic diagram of test instrumentation shown in Fig. 1;
Fig. 5 is the outward appearance embodiment schematic diagram of test instrumentation shown in Fig. 1;
Fig. 6 is the method for testing flow chart of wireless test instrument of the present invention;
Fig. 7 is another embodiment flow chart of illustrated method;
Fig. 8 is another embodiment flow chart of illustrated method.
Embodiment
As employed some vocabulary to censure specific components in the middle of specification and claim.Those skilled in the art should understand, and hardware manufacturer may call same assembly with different noun.This specification and claims are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " as mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and indirectly electric property coupling means at this.Therefore, if describe a first device in literary composition to be coupled to one second device, then represent described first device and directly can be electrically coupled to described second device, or be indirectly electrically coupled to described second device by other devices or the means that couple.Specification subsequent descriptions is implement the better embodiment of the application, and right described description is for the purpose of the rule that the application is described, and is not used to the scope limiting the application.The protection range of the application is when being as the criterion depending on the claims person of defining.
Below in conjunction with accompanying drawing, the application is described in further detail, but not as the restriction to the application.Embodiment 1
As shown in Figure 1, be a kind of wireless test instrument of the present invention, comprise: radio interface unit 104, wireless energy control units 103, data processing unit 102, data storage cell 105 and test cell 101, wherein,
Described radio interface unit 104, for receiving the test instruction of external equipment transmission and/or the test result for receiving the transmission of described wireless energy control units 103;
Described wireless energy control units 103, for receiving the test instruction that radio interface unit 104 transmits, convert this test instruction to data message, and this data message is sent to data processing unit, and/or for receiving the optical tests that data processing unit 102 sends, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit 104;
Described data processing unit 102, for receiving the data message of described wireless energy control units 103 transmission and this data message being converted to operational order, be sent to described test cell 101, and/or for receiving the test result of described test cell 101, and this test result is treated to optical tests, IPRAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units 103 and described data storage cell 105;
Described data storage cell 105, for storing optical tests, IP RAN/PTN tests, and synchronism detection data;
Described test cell 101, for test, and is sent to described data processing unit 102 by test result.
As shown in Figure 2, preferably, described test cell 101, is optical tests unit further, comprises: laser module 1103, pulse generating module 1102, photoelectric conversion module 1104 and analog-to-digital conversion module 1101, wherein,
Pulse generating module 1102, for being connected with described data processing unit 102, makes described data processing unit 102 control impuls generation module send the signal of telecommunication of setting pulsewidth;
Laser module 1103, is sent in optical fiber for converting the described signal of telecommunication to light signal;
Photoelectric conversion module 1104, for converting the signal reflected in optical fiber to analog signal;
Analog-to-digital conversion module 1101, is sent to data processing unit 102 for converting described analog signal to digital signal, to obtain fiber lengths, and dynamic range, and the measurement data of blind area.
The present embodiment one is mainly tested optical fiber, general principle is the structural loss utilizing the method analyzing rear orientation light or forward scattering light in optical fiber to measure fiber transmission attenuation because the reason such as scattering, absorption produces and various fault of construction to cause, when optical fiber is a bit by temperature or effect of stress, the scattering properties of this point will change, and therefore detect outer signals by display loss and the corresponding relation of fiber lengths and be distributed in disturbance information on sensor fibre.
Actual method of testing, utilizing emitted light pulse is in optical fiber, and the information then returned at OTDR port accepts is carried out.When light pulse is transmitted in optical fiber, can due to the character of optical fiber itself, connector, junction point, bending or other similar event and produce scattering, reflects.Wherein the scattering of a part will turn back in OTDR with reflection.The useful information returned is measured by the detector of OTDR, and they are just as the time on diverse location in optical fiber or curve segment.From transmitting signals to the inverse signal time used, then determining the speed of light in glass substance, just can calculate distance.It is how measuring distance that following formula just describes OTDR.
d＝(c×t)/2(IOR)
In this formula, c is light speed in a vacuum, and t after to be signal launch to the total time (two values are multiplied divided by the distance after 2 being exactly one way) receiving signal (round trip).Because light is slower than speed in a vacuum in glass, so in order to accurately measuring distance, tested optical fiber must indicate refractive index (IOR).IOR is indicated by optical fiber production business.
After given optical fiber parameter, the power of Rayleigh scattering just can be indicated out, if wavelength is known, it is just proportional with the pulse duration of signal: pulse duration is longer, and backscattering power is stronger.The power of Rayleigh scattering is also relevant with the wavelength transmitted, and the shorter then power of wavelength is stronger.The rayleigh backscattering of track that is can produce than 1550nm signal with the track that 1310nm signal produces is high.
Fresnel reflection is discrete reflection, and it is caused by the indivedual points in whole piece optical fiber, and these points are made up of the factor causing reverse parameter to change, the gap of such as glass and air.On these aspects, have very strong back-scattering light and be reflected back.Therefore, OTDR utilizes the information of Fresnel reflection to be located by connecting a little, fibre-optic terminus or breakpoint.
Data processing unit 102 control impuls generating unit 1102 sends the signal formulating pulsewidth, laser converts light signal to this signal of telecommunication and is sent in optical fiber, the signal reflected in a fiber converts analog signal by photoelectric conversion module to light signal, analog signal converted to digital signal through AD conversion unit 1101 again to deliver in data processing unit 102 and just can draw fiber lengths through process, dynamic range, the technical indicators such as blind area, to complete the measurement to closing optical fiber link.
Preferably, described data processing unit 102, is further: single-chip microcomputer, cpu central processing unit or microprocessor;
Preferably, described radio interface unit 104, is further: GPRS wave point, blue tooth interface, gsm wireless interface or WCDMA wave point;
Preferably, described data storage cell 105, is further: hard disk, ROM memory, RAM memory or CD.
Preferably, described test cell 101 also comprises key controlled module and display module.
Preferably, described test instrumentation adopts Intel Pentium M/ Celeron M processor and embedded Windows XP operating system, supports DDR internal memory, maximumly extend to 1GB, adopt ultrahigh speed bus, support multitasking ability, multiple network test can be completed simultaneously.
Preferably, described display module adopts 10.4 cun of antireflection TFT color touch screens, even if also can clearly show in the place that light is strong, is easy to read and operation, meets outdoor utility demand.
Embodiment 2
As shown in Figure 1, be a kind of wireless test instrument of the present invention, comprise: radio interface unit 104, wireless energy control units 103, data processing unit 102, data storage cell 105 and test cell 101, wherein,
Described radio interface unit 104, for receiving the test instruction of external equipment transmission and/or the test result for receiving the transmission of described wireless energy control units 103;
Described wireless energy control units 103, for receiving the test instruction that radio interface unit 104 transmits, convert this test instruction to data message, and this data message is sent to data processing unit 102, and/or for receiving the optical tests that data processing unit 102 sends, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit 103;
Described data processing unit 102, for receiving the data message of described wireless energy control units 103 transmission and this data message being converted to operational order, be sent to described test cell 101, and/or for receiving the test result of described test cell 101, and this test result is treated to optical tests, IPRAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units 103;
Described data storage cell 105, for storing optical tests, IP RAN/PTN tests, and synchronism detection data;
Described test cell 101, for test, and is sent to described data processing unit 102 by test result.
As shown in Figure 2, preferably, described test cell 101, is further, and IP RAN/PTN test cell, comprising: state machine occurrence logic module 1201 and physical signalling modular converter 1202, wherein,
State machine occurrence logic module 1201, for being connected with data processing unit 102, produces the data message meeting IPRAN/PTN standard;
Physical signalling modular converter 1202, for receiving described data message, and be sent in network, simultaneously, accept the signal in network, and send to state machine occurrence logic module 1201 to produce corresponding state variation, then, status change data is sent to data processing unit 102 by state machine occurrence logic module 1201, to obtain current network conditions measurement data.
Adopt T-MPLS or MSTP-TP standard, be applicable to the business transmission that two layers of Packet Service account for the dominated stage, can meet the mobile retransmission of whole 3G life cycle well, the PTN device with L3 function can solve the mobile retransmission in LTE period.
IP RAN adopts IP/MPLS standard, has more dynamic routing function, and applicable L3 business accounts for service bearer during larger specific gravity, not only can meet the mobile retransmission in 3G, LTE period, and can realize Full-Services access.
Test cell is linked in network, and a node in analog network, according to the consensus standard of IP RAN/PTN; send association message, receive the message in network, and can initiatively send amendment test packet; carry out the OAM to network with this, protection recovers, the tests such as QoS.
State machine occurrence logic module 1201 receives data processing unit 102 according to test intention, control to produce the data message meeting IP RAN/PTN relevant criterion, these data messages are connected by physical signalling modular converter 1202 and are sent in network, physical signalling modular converter 1202 can accept the signal in networking and be sent to by message state machine occurrence logic module 1201 to produce corresponding state variation simultaneously, and data processing unit 102 is according to the status data returned of state machine occurrence logic module 1201, can process further, to calculate current network conditions, complete the test to network.
Preferably, described data processing unit 102, is further: single-chip microcomputer, cpu central processing unit or microprocessor;
Preferably, described radio interface unit 104, is further: GPRS wave point, blue tooth interface, gsm wireless interface or WCDMA wave point;
Preferably, described data storage cell 105, is further: hard disk, ROM memory, RAM memory or CD.
Preferably, described test cell 101 also comprises key controlled module and display module.
Embodiment 3
As shown in Figure 1, be a kind of wireless test instrument of the present invention, comprise: radio interface unit 104, wireless energy control units 103, data processing unit 102, data storage cell 105 and test cell 101, wherein,
Described radio interface unit 104, for receiving the test instruction of external equipment transmission and/or the test result for receiving the transmission of described wireless energy control units 103;
Described wireless energy control units 103, for receiving the test instruction that radio interface unit 104 transmits, convert this test instruction to data message, and this data message is sent to data processing unit 102, and/or for receiving the optical tests that data processing unit 102 sends, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit 104;
Described data processing unit 102, for receiving the data message of described wireless energy control units 103 transmission and this data message being converted to operational order, be sent to described test cell 101, and/or for receiving the test result of described test cell 101, and this test result is treated to optical tests, IPRAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units 103;
Described data storage cell 105, for storing optical tests, IP RAN/PTN tests, and synchronism detection data;
Described test cell 101, for test, and is sent to described data processing unit 102 by test result.
Preferably, as shown in Figure 4, described test cell 101 is that synchrodata test cell, comprising further: temporal logic processing module 1301, time service clock module 1302 and accurate clock 1303, wherein,
Described temporal logic processing module 1301, for the collection by time service clock module 1302 and accurate clock 1303, obtains the current accuracy time and keeps;
Described time service clock module 1302, the network clocking inputted by the clock input interface 1305 be connected with temporal logic processing module 1301, calculates the accuracy of network clocking;
Described accurate clock 1303, calculates the deviation of network time by the synchronous ethernet interface 1304 be connected with temporal logic processing module 1301, and the calibration network time.
Synchronous physical significance refers to: two or more time dependent amount, is consistent or certain relativeness in change procedure.In the communications field, synchronously Frequency Synchronization and time synchronized two layers of meaning generally can be comprised.
Frequency Synchronization is exactly so-called clock synchronous, and refer to the particular kind of relationship that frequency between signal or phase place keep certain strict, its corresponding significant instant occurs with same Mean Speed, runs with identical speed to maintain equipment all in communication network.
What transmit in digital communication network is PCM (Pulse CodeModulation) discrete pulse obtained after encoding to information.If the clock frequency between two digital local exchange installations is inconsistent, or because digital bit stream is in the transmission because of interference damage, and superposed phase drift or jitter, loss or the repetition of code element will be produced in the buffer storage of digital exchange system, cause occurring damage of sliding in the bit stream of transmission.
Generally said " time " have two kinds of implications: moment and the time interval.The former refer to the time of continuously passage certain in a flash, the latter refers to that the interval between two moments is long.
The operation of time synchronized is exactly clock according to the time adjusting device inside received and moment.The principle of adjustment and control of time synchronized is similar to the principle of adjustment and control of Frequency Synchronization to clock, and it not only regulates and controls the frequency of clock but also regulates and controls the phase place of clock, simultaneously by the phase place of clock with numeric representation, i.e. the moment.With Frequency Synchronization unlike, time synchronized accepts discrete temporal information, discontinuous adjusting device clock, and the regulable control of equipment clock phase-locked loop is periodic.
Time synchronized has two main functions: time service is with punctual.Describe with popular voice, time service is exactly " his-and-hers watches ".By irregular his-and-hers watches action, by this locality moment and etalon time Phase synchronization; Punctual is exactly above-mentioned Frequency Synchronization, ensures in the gap of his-and-hers watches, the local moment and etalon time deviation not too big.
Synchronous ethernet is a kind of technology adopting ethernet link code stream recovered clock.
Because Ethernet is an asynchronous system, high precision clock is not needed can normally to work yet, so general ethernet device does not provide high precision clock.But this is not Ethernet can not provide high precision clock.In fact, in physical layer, adopt the same with SDH of Ethernet is that serial code stream mode is transmitted, and receiving terminal must possess clock recovery function, otherwise cannot communication.In other words, Ethernet has inherently possessed the ability of transmission clock in fact, does not just use before us.
From technical standpoint because physical layer encodes ethernet physical layer extract clock accuracy or even more than SDH's.We know, the prerequisite extracting clock from stream line is the clock transition information that code stream must keep enough, and code stream will avoid continuous print long 1 or long 0 in other words.The way of SDH technology does once random scrambler, and greatly can reduce like this and connect the probability that 1 connects 0, but this only reduces, continuous print 1 or 0 still there will be.And the physical layer encodes of Ethernet is 4B/5B (FE) and 8B/10B (GE), on average every 4 BIT will insert an added bit, can never occur continuous 41 or 40 like this, more be convenient to extract clock.
Synchronous ethernet network implements fairly simple, and system needs support clock module (clock board), and all ether interface cards given by unified output High Definition Systems clock; Data are sent by this high precision clock of PHY devices use on ether interface.At receiver side, the PHY device of Ethernet interface by clock recovery out, gives clock board on after frequency division.Clock board will judge the quality of time signal clock on each interface, selects a precision the highest, and system clock is synchronous with it.
In order to correctly select source, while transmission clock information, clock quality information (SSM) must be transmitted.Synchronous and the synchronous ether of SyncE of tradition SDH all adopts the protection of SSM protocol realization clock source, and the SSM agreement of SDH is in G.781 the inside definition, and the SSM agreement of the synchronous ether of SyncE defines in G.8264 the inside.
Synchronization Status Message (Synchronization Status Message, SSM), is transmitted by overhead byte S1 in the SSM information of traditional SDH sync cap STM-N; The SSM information of E1 is transmitted at the SA4-8bit of 0 time slot at E1, and any bit that can be configured in SA4 ~ SA8 transmits, and is generally defaulted as SA4; Synchronous ether transmits SSM information by the slow protocol massages of ESMC.SSM is used for the credit rating indicating timing signal in synchronization timing link, controls clock switch, avoids the formation of timing loop, and can prevent the synchronous high-level clock of low-grade clocks.
Temporal logic processing module 1301 processes the input and output correction etc. of associated clock.And carry out exchanges data with data processing unit 102.
The clock input that accurate clock 1303 provides accuracy very high.Time service clock module 1302 is generally and GPS, the satellite communications such as the Big Dipper, time signal that can be synchronously correct.
Clock input interface 1305, can input tested networking clock.
Synchronous ethernet interface 1304, connects synchronous ethernet, test or calibration network time.
Temporal logic processing module 1301 passes through the collection of time service clock module 1302 and accurate clock 1303, can obtain the current accuracy time and keep; Temporal logic processing module 1301, by the network clocking with clock input interface 1305 input, can calculate the accuracy of network clocking; Temporal logic processing module 1301 by and synchronous ethernet mutual, the deviation of network time can be tested out, and can the calibration network time.
Preferably, described data processing unit 102, is further: single-chip microcomputer, cpu central processing unit or microprocessor;
Preferably, described radio interface unit 104, is further: GPRS wave point, blue tooth interface, gsm wireless interface or WCDMA wave point;
Preferably, described data storage cell 105, is further: hard disk, ROM memory, RAM memory or CD.
Preferably, described test cell 101 also comprises key controlled module and display module.
Certainly, wireless test instrument of the present invention, can also collect described optical tests unit, described IPRAN/PTN test cell and described synchronism detection unit is on same test instrumentation, suitable test cell can be selected as required to test, with realize more convenient, test fast.
Embodiment 4
Another object of the present invention is also to provide a kind of method of testing, comprises the following steps:
Step 1: data cube computation set up by external equipment and test instrumentation, sends test instruction by radio interface unit to test instrumentation;
Step 2: wireless energy control units receives the test instruction that radio interface unit transmits, and converts this test instruction to data message, and this data message is sent to data processing unit;
Step 3: described data processing unit receives the data message of described wireless energy control units transmission and this data message is converted to operational order, is sent to described test cell;
Step 4: described test cell receives the operational order that data processing unit sends, and tests;
Step 5: described data storage cell is to described optical tests, and IP RAN/PTN tests, and synchronism detection data store.
Another object of the present invention is also to provide another kind of method of testing, comprises the following steps:
Step one: test result is sent to data processing unit by test cell;
Step 2: data processing unit receives the test result of described test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IPRAN/PTN tests, and synchronism detection data are sent to described wireless energy control units;
Step 3: data processing unit is by this optical tests, and IP RAN/PTN tests, and synchronism detection data are sent to described data storage cell and store;
Step 4: wireless energy control units receives described optical tests, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit;
Step 5: the described signal of telecommunication is sent to external equipment by radio interface unit, external equipment receives this signal of telecommunication, and shows test results.
Of the present invention also have an object to be a kind of method providing synchrodata to test, and comprising:
Data cube computation set up by external equipment and test instrumentation, sends test instruction by the first radio interface unit to test instrumentation;
First wireless energy control units receives the test instruction that described first radio interface unit transmits, and converts this test instruction to data message, and this data message is sent to the first data processing unit;
Described first data processing unit receives the data message of described first wireless energy control units transmission and this data message is converted to operational order, is sent to described first test cell;
Described first test cell receives the operational order that the first data processing unit sends, and tests.
Described first data storage cell is to described optical tests, and IP RAN/PTN tests, and synchronism detection data store;
Test result is sent to the second data processing unit by described second test cell;
Described second data processing unit receives the test result of described second test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described second wireless energy control units;
Described second data processing unit is by this optical tests, and IP RAN/PTN tests, and synchronism detection data are sent to described second data storage cell and store;
Described second wireless energy control units receives described optical tests, and IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to the second radio interface unit;
The described signal of telecommunication is sent to external equipment by described second radio interface unit, and described external equipment receives this signal of telecommunication, and shows test results.
Compared with prior art, a kind of wireless test instrument described in the application, and method of testing, reach following effect:
(1) described wireless test instrument, comprising: radio interface unit, wireless energy control units, data processing unit, data storage cell and test cell, and structure is simple, arranges conveniently, can realize radio communication.
(2) test cell structure is simple, comprising: laser module, pulse generating module, photoelectric conversion module and analog-to-digital conversion module, can Obtaining Accurate light optical tests, and IP RAN/PTN tests, and synchronism detection data; State machine occurrence logic module and physical signalling modular converter, can Obtaining Accurate IP RAN/PTN optical tests, and IP RAN/PTN tests, and synchronism detection data; Temporal logic processing module, time service clock module and accurate clock, can Obtaining Accurate synchrodata.
(3) a kind of radio test method of the present invention, its method of testing is simple, is convenient to layman and carries out specialized communication test, only need professional to configure wireless device, just can operate instrument by other laymans, simplify and use flow process.
Because method part has been described in detail the embodiment of the present application, the expansion of the System and method for corresponding part related in embodiment is described omit here, repeat no more.Description for particular content in system can the content of reference method embodiment, no longer specifically limits here.
Above-mentioned explanation illustrate and describes some preferred embodiments of the application, but as previously mentioned, be to be understood that the application is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in application contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the application, then all should in the protection range of the application's claims.
Claims (10)
1. a wireless test instrument, is characterized in that, comprising: radio interface unit, wireless energy control units, data processing unit, data storage cell and test cell, wherein,
Described radio interface unit, for receiving the test instruction that external equipment sends, and/or for receiving the test result that described wireless energy control units sends;
Described wireless energy control units, for receiving the test instruction that radio interface unit transmits, converts this test instruction to data message, and this data message is sent to data processing unit; And/or for receiving the optical tests that data processing unit sends, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit;
Described data processing unit, for receiving the data message of described wireless energy control units transmission and this data message being converted to operational order, is sent to described test cell; And/or for receiving the test result of described test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units and described data storage cell;
Described data storage cell, for storing optical tests, IP RAN/PTN tests, and synchronism detection data;
Described test cell, for test light test, IP RAN/PTN tests, and synchronism detection data, and test result is sent to described data processing unit.
2. wireless test instrument according to claim 1, is characterized in that, described test cell, is optical tests unit further, comprises: laser module, pulse generating module, photoelectric conversion module and analog-to-digital conversion module, wherein,
Pulse generating module, for being connected with described data processing unit, makes described data processing unit control impuls generation module send the signal of telecommunication of setting pulsewidth;
Laser module, is sent in optical fiber for converting the described signal of telecommunication to light signal;
Photoelectric conversion module, for converting the signal reflected in optical fiber to analog signal;
Analog-to-digital conversion module, is sent to data processing unit for converting described analog signal to digital signal, to obtain fiber lengths, and dynamic range, and the measurement data of blind area.
3. wireless test instrument according to claim 1 and 2, is characterized in that, described test cell is further, and IP RAN/PTN test cell, comprising: state machine occurrence logic module and physical signalling modular converter, wherein,
State machine occurrence logic module, for being connected with data processing unit, produces the data message meeting IP RAN/PTN standard;
Physical signalling modular converter, for receiving described data message, and be sent in network, simultaneously, accept the signal in network, and send to state machine occurrence logic module to produce corresponding state variation, then, status change data is sent to data processing unit by state machine occurrence logic module, to obtain current network conditions measurement data.
4. wireless test instrument according to claim 3, is characterized in that, described test cell is further, and synchronism detection unit, comprising: temporal logic processing module, time service clock module and accurate clock, wherein,
Described temporal logic processing module, for the collection by time service clock module and accurate clock, obtains the current accuracy time and keeps;
Described time service clock module, the network clocking inputted by the clock input interface be connected with temporal logic processing module, calculates the accuracy of network clocking;
Described accurate clock, calculates the deviation of network time by the synchronous ethernet interface be connected with temporal logic processing module, and the calibration network time.
5. wireless test instrument according to claim 1, is characterized in that,
Described data processing unit, is further: single-chip microcomputer, cpu central processing unit or microprocessor;
Described radio interface unit, is further: GPRS wave point, blue tooth interface, gsm wireless interface, wifi wave point or WCDMA wave point;
Described data storage cell, is further: hard disk, ROM memory, RAM memory or CD.
6. the wireless test instrument according to claim 2,3,4, is characterized in that, described test cell also comprises key controlled module and display module.
7. a method of testing, is characterized in that, comprises the following steps:
Step 1: data cube computation set up by external equipment and test instrumentation, sends test instruction by radio interface unit to test instrumentation;
Step 2: wireless energy control units receives the test instruction that radio interface unit transmits, and converts this test instruction to data message, and this data message is sent to data processing unit;
Step 3: described data processing unit receives the data message of described wireless energy control units transmission and this data message is converted to operational order, is sent to described test cell;
Step 4: described test cell receives the operational order that data processing unit sends, and tests;
Step 5: described data storage cell is to described optical tests, and IP RAN/PTN tests, and synchronism detection data store.
8. a method of testing, is characterized in that, comprises the following steps:
Step one: test result is sent to data processing unit by described test cell;
Step 2: described data processing unit receives the test result of described test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described wireless energy control units;
Step 3: described data processing unit is by this optical tests, and IP RAN/PTN tests, and synchronism detection data are sent to described data storage cell and store;
Step 4: described wireless energy control units receives described optical tests, IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to radio interface unit;
Step 5: the described signal of telecommunication is sent to external equipment by described radio interface unit, described external equipment receives this signal of telecommunication, and shows test results.
9. method of testing according to claim 8, is characterized in that, described step 5 also comprises: by described electric signal transmission on computer, mobile phone, panel computer or palmtop PC, and show test results.
10. a method of testing, is characterized in that, comprising:
Data cube computation set up by external equipment and test instrumentation, sends test instruction by the first radio interface unit to test instrumentation;
First wireless energy control units receives the test instruction that described first radio interface unit transmits, and converts this test instruction to data message, and this data message is sent to the first data processing unit;
Described first data processing unit receives the data message of described first wireless energy control units transmission and this data message is converted to operational order, is sent to described first test cell;
Described first test cell receives the operational order that the first data processing unit sends, and tests.
Described first data storage cell is to described optical tests, and IP RAN/PTN tests, and synchronism detection data store;
Test result is sent to the second data processing unit by described second test cell;
Described second data processing unit receives the test result of described second test cell, and this test result is treated to optical tests, IP RAN/PTN tests, and synchronism detection data, by this optical tests, IP RAN/PTN tests, and synchronism detection data are sent to described second wireless energy control units;
Described second data processing unit is by this optical tests, and IP RAN/PTN tests, and synchronism detection data are sent to described second data storage cell and store;
Described second wireless energy control units receives described optical tests, and IP RAN/PTN tests, and synchronism detection data, and by this optical tests, IP RAN/PTN tests, and synchronism detection data are converted to the signal of telecommunication and are sent to the second radio interface unit;
The described signal of telecommunication is sent to external equipment by described second radio interface unit, and described external equipment receives this signal of telecommunication, and shows test results.
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