CN103346850B - Terminal testing device based on LTE230 system - Google Patents
Terminal testing device based on LTE230 system Download PDFInfo
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- CN103346850B CN103346850B CN201310290973.9A CN201310290973A CN103346850B CN 103346850 B CN103346850 B CN 103346850B CN 201310290973 A CN201310290973 A CN 201310290973A CN 103346850 B CN103346850 B CN 103346850B
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Abstract
The invention provides a terminal testing device based on an LTE230 system, which is used for testing an LTE230 terminal in the LTE230 system and comprises the following components: a terminal testing notebook and a terminal testing machine; the terminal test notebook is connected with the terminal test machine through a serial port line, and the terminal test notebook is connected with the LTE230 terminal through a serial port; the terminal testing machine is connected with the LTE230 terminal through a radio frequency cable. Through the terminal testing device, the signal quality of the LTE230 terminal before leaving the factory can be tested, the device is simple to operate, the testing process is completely automatic, the testing speed is high, the device is light and concise, and the production line is convenient to install and use.
Description
Technical field
The present invention relates to intelligent power grid technology, particularly relate to a kind of terminal test based on novel 230MHz Wireless Broadband Communication Systems (being called for short LTE230 system).
Background technology
Along with the high speed development of national economy and the continuous growth of power load, the electric power system of China particularly area power grid obtains significant progress.The structure of area power grid is increasingly sophisticated, and the change of operational mode is also more and more frequent, and dispatcher also increases along with the complicated of power system operating mode increasingly to the difficulty that operation of power networks monitors.
With the development of national information industry, and the development trend requirement of intelligent grid, the demand of each large electric power networks to the direction such as intelligent meter data recording, power distribution automation is more and clearer and more definite.
The communication mode that optical fiber communication uses comparatively extensively as current intelligent grid, business transmittability is stronger is the first-selection of building all the time.But in a lot of place and each suburban county in city, especially old town and mountain area, the erection of optical cable has sizable restriction condition, and difficulty of construction is very big, cannot build, cause optical fiber communication can not meet the communication requirement of power business completely even at all.
Adapted electrical network website at present adopt rent telecom operators and provide GPRS, cdma service is as the wireless access means of the business such as information gathering.Not only operating cost is higher, can not meet the needs of security information for power system, real-time and service quality.
Forth generation mobile communication system LTE is the communication system of international mainstream exploitation, LTE230 electric power wireless communication system is based on forth generation (4G) mobile communication technology (TD-LTE), in conjunction with the existing 230MHz of electric power negative control frequency spectrum resource and intelligent grid development new demand, for electric power system provides high performance radio communication private network solution, meet communication and the Informatization Development demand of sturdy power grid.For being applicable to the application demand of electric power system industry better, LTE230 electric power radio communication private network relies on the contemporary state-of-the-art 4G communication technology, and the degree of depth customizes multinomial power business.The wireless communication technology that LTE230 adopts discrete spectrum polymerization, frequency spectrum perception etc. advanced, significantly improves the service efficiency of radio frequency resources (230MHz frequency range), narrow band spectrum realizes broadband data transmission.For electric power system industry provides wireless broadband communication connecting system.
Occur that a kind of novel 230MHz Wireless Broadband Communication Systems (is called for short LTE230 system now, or intelligent grid), it carries out wireless broadband communication by adopting 230MHz frequency spectrum, the attendant of electrical network, by the automation using LTE230 terminal can realize electric power data, increases work efficiency greatly.But detecting before dispatching from the factory to LTE230 terminal in prior art is generally by manually completing, and test speed is very low, need to spend long time (usually needing to send out the expense time of several hours).
Summary of the invention
The present invention, mainly for the problems referred to above, provides a kind of terminal test device based on LTE230 system, can improve the detection efficiency to LTE230 terminal.
For solving the problems of the technologies described above, a kind of terminal test device based on LTE230 system of the technical solution adopted in the present invention for providing, for testing the LTE230 terminal in LTE230 system, comprising:
Terminal test notebook, for sending the test command tested the relevant parameter of LTE230 terminal to be measured to described terminal test machine, and collects test result;
Terminal test machine, for resolving the test command from described terminal test notebook, and tests the relevant parameter of described LTE230 terminal;
Wherein, be connected by Serial Port Line between described terminal test notebook with described terminal test machine, be connected by serial ports between described terminal test notebook with described LTE230 terminal; Be connected by RF cable between described terminal test machine with described LTE230 terminal;
Wherein, described terminal test notebook comprises further:
Test script generation module, for generating the test script tested described LTE230 terminal, described test script comprises the test command tested the various parameters of LTE230 terminal;
Test result display module, shows for the test result fed back described terminal test machine, and this test result adopts the form of word or image to present;
Described terminal test machine comprises further:
Script module, for analyzing the test script from described terminal test notebook, obtains test command wherein;
Test signal generation module, for the test command obtained according to described script module, generate a test signal, and this test signal is sent to described LTE230 terminal, described test signal is packaged into the protocol signal of LTE230 reference format, and described test signal is carried in the sub-frame of uplink of synchronous subband signal;
Feedback signal reception module, for receiving the feedback signal from described LTE230 terminal, described feedback signal is carried in the descending sub frame of synchronous subband signal;
Test result generation module, for according to receive feedback signal from LTE230 terminal, carry out analyzing and generating test result, and this test result replied to described terminal test notebook.
Preferably, described LTE230 terminal comprises further:
Test signal analysis module, for receiving and analyzing the test signal from described terminal test machine, knows the parameter needing to carry out testing;
Testing execution module, for the analysis result according to described test signal analysis module, tests accordingly relevant parameter, obtains corresponding feedback signal;
Feedback signal generation module, the feedback signal for described testing execution module being obtained sends to described terminal test machine.
Preferably, described test result comprises: the test result of at least one parameter in transmitting power, transmitted bandwidth, Error Vector Magnitude, planisphere, power control commands or Block Error Rate.
Preferably, described test signal and feedback signal are carried in the uplink/downlink subframe of synchronous subband signal.
Implement the present invention, there is following beneficial effect:
Implement the terminal test device based on LTE230 system of the present invention, owing to being provided with corresponding test script in terminal test notebook, automatically can test the LTE230 terminal before dispatching from the factory by the effect of terminal test machine, which raises the efficiency of test, in actual applications, complete whole tests to a LTE230 terminal, its time can taper to a few minutes.
Equipment operating of the present invention is simple, the whole automation of test process, and test speed is high, and equipment is lightly succinct, is convenient to production line and installs and uses.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings;
The connection diagram of an embodiment of a kind of terminal test device based on LTE230 system of Fig. 1 the present invention;
Fig. 2 is the structural representation of a kind of terminal test device based on LTE230 system of the present invention;
Fig. 3 is the data structure diagram of a kind of synchronous subband signal sub-frame of uplink in a kind of terminal test device based on LTE230 system of the present invention.
Embodiment
Below with reference to diagram, describe the specific embodiment of the invention in detail.
As shown in Figure 1, be the connection diagram of an embodiment of a kind of terminal test device based on LTE230 system of the present invention.In the present embodiment, should based on the terminal test device of LTE230 system, for testing LTE230 terminal 3, it comprises:
Terminal test notebook 1, it for sending the test command tested LTE230 terminal 3 relevant parameter to terminal test machine 2, and collects test result;
Terminal test machine 2, for resolving the test command from terminal test notebook 1, and tests the relevant parameter of LTE230 terminal 3;
Wherein, be connected between terminal test notebook 1 with terminal test machine 2 by Serial Port Line, terminal test is taken down notes between 1 with LTE230 terminal 3 and is connected by serial ports; Be connected by RF cable between terminal test machine 2 with LTE230 terminal 3;
Wherein, this terminal test device ties up to before LTE230 terminal 3 dispatches from the factory, and detects LTE230 terminal 3.This LTE230 terminal 3 is the wireless communication terminals for intelligent grid, may be used for the work such as metering automation, power distribution automation, wireless video monitoring.
As shown in Figure 2, be the structural representation of a kind of terminal test device based on LTE230 system of the present invention.In the present embodiment, terminal test notebook 1 comprises further:
Test script generation module 10, for generating the test script tested described LTE230 terminal, described test script comprises the test command tested the various parameters of LTE230 terminal 3;
Test result display module 12, show for the test result fed back described terminal test machine 2, this test result can be that the form of such as word or image presents.
Terminal test machine 2 comprises further:
Script module 20, for analyzing the test script from terminal test notebook 1, obtains test command wherein;
Test signal generation module 22, for the test command obtained according to script module 20, generate a test signal, and this test signal is sent to LTE230 terminal 3, this test signal is packaged into the protocol signal of LTE230 reference format; Particularly, in an example, this test signal can be synchronous subband signal, and synchronous subband signal major function is carried out the synchronous of uplink/downlink and sets up broadcast channel, by the uplink/downlink subframe of synchronous subband signal, may be used for testing LTE230 terminal;
Feedback signal reception module 24, for receiving the feedback signal from LTE230 terminal 3;
Test result generation module 26, for according to receive feedback signal from LTE230 terminal 3, carry out analyzing (such as analyzing the signal quality of feedback signal) and generating test result, and this test result is replied to test notebook 1, wherein, this test result comprises the test result of at least one parameter in transmitting power, transmitted bandwidth, Error Vector Magnitude (EVM), planisphere, power control commands or Block Error Rate.
Described LTE230 terminal 3 comprises further:
Test signal analysis module 30, for receiving and analyzing the test signal from terminal test machine 2, knows the parameter needing to carry out testing;
Testing execution module 32, for the analysis result according to test signal analysis module 30, tests accordingly to relevant parameter, obtains corresponding feedback signal;
Feedback signal generation module 34, feedback signal for testing execution module 32 being obtained sends to terminal test machine 2, particularly, Stochastic accessing (RA) subsegment that LTE230 terminal can be carried by the sub-frame of uplink of synchronous subband signal carries above-mentioned feedback signal.
Terminal test machine 2, by receiving the sub-frame of uplink from the synchronous subband signal of LTE230 terminal 3, carries out analyzing (such as analyzing the signal quality of feedback signal) and generating test result according to feedback signal entrained in Stochastic accessing subsegment in this sub-frame of uplink.
As shown in Figure 3, be the data structure diagram of a kind of synchronous subband signal sub-frame of uplink in a kind of terminal test device based on LTE230 system of the present invention.In the present embodiment, adopt two frame synchronization subband signal sub-frame of uplink to carry test signal and feedback signal.In each frame synchronization subband signal, have in its each master sync signal/auxiliary synchronous signals (PSS/SSS) four time resource blocks (in figure one shared by Stochastic accessing RA, other three for subsequent use), two frames are totally eight pieces of time resources, in actual applications, each community can account for one piece of resource wherein, this one piece of data sets multiple detection window (as 8 or 16, each detection window is a random access resource of this community), and during detection before LTE230 terminal is dispatched from the factory, LTE230 terminal just can carry test signal or feedback signal in this detection window.Wherein, show in the drawings, in first time block, carry feedback signal by Stochastic accessing.In addition, in this synchronous subband signal, also comprise Physical Broadcast Channel (PBCH) subsegment, can be used for equally carrying test signal or feedback signal.
The present invention in actual applications, generally can complete the detection before the dispatching from the factory of LTE230 terminal according to following step:
Step one, terminal test notebook 1, terminal test machine 2 to be connected according to the mode of Fig. 1 with LTE230 terminal 3 to be measured;
Step 2, startup terminal test notebook 1 and terminal test machine 2;
Step 3, the corresponding test script run on terminal test notebook 1, by the work of terminal test machine 2, thus obtain test result.
Step 4, according to test result judge terminal whether can use.
Implement the terminal test device based on LTE230 system of the present invention, owing to being provided with corresponding test script in terminal test notebook, automatically can test the LTE230 terminal before dispatching from the factory by the effect of terminal test machine, which raises the efficiency of test, in actual applications, complete whole tests to a LTE230 terminal, its time can taper to a few minutes; Equipment operating of the present invention is simple, the whole automation of test process, and test speed is high, and equipment is lightly succinct, is convenient to production line and installs and uses.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (3)
1., based on a terminal test device for LTE230 system, for testing the LTE230 terminal in LTE230 system, it is characterized in that, comprise:
Terminal test notebook, for sending the test command tested the relevant parameter of LTE230 terminal to be measured to described terminal test machine, and collects test result;
Terminal test machine, for resolving the test command from described terminal test notebook, and tests the relevant parameter of described LTE230 terminal;
Wherein, be connected by Serial Port Line between described terminal test notebook with described terminal test machine, be connected by serial ports between described terminal test notebook with described LTE230 terminal; Be connected by RF cable between described terminal test machine with described LTE230 terminal;
Wherein, described terminal test notebook comprises further:
Test script generation module, for generating the test script tested described LTE230 terminal, described test script comprises the test command tested the various parameters of LTE230 terminal;
Test result display module, shows for the test result fed back described terminal test machine, and this test result adopts the form of word or image to present;
Described terminal test machine comprises further:
Script module, for analyzing the test script from described terminal test notebook, obtains test command wherein;
Test signal generation module, for the test command obtained according to described script module, generate a test signal, and this test signal is sent to described LTE230 terminal, described test signal is packaged into the protocol signal of LTE230 reference format, and described test signal is carried in the sub-frame of uplink of synchronous subband signal;
Feedback signal reception module, for receiving the feedback signal from described LTE230 terminal, described feedback signal is carried in the descending sub frame of synchronous subband signal;
Test result generation module, for according to receive feedback signal from LTE230 terminal, its signal quality is analyzed and generates test result, and this test result is replied to described terminal test notebook.
2., as claimed in claim 1 based on the terminal test device of LTE230 system, it is characterized in that, described LTE230 terminal comprises further:
Test signal analysis module, for receiving and analyzing the test signal from described terminal test machine, knows the parameter needing to carry out testing;
Testing execution module, for the analysis result according to described test signal analysis module, tests accordingly relevant parameter, obtains corresponding feedback signal;
Feedback signal generation module, the feedback signal for described testing execution module being obtained sends to described terminal test machine.
3. as claimed in claim 1 or 2 based on the terminal test device of LTE230 system, it is characterized in that, described test result comprises: the test result of at least one parameter in transmitting power, transmitted bandwidth, Error Vector Magnitude, planisphere, power control commands or Block Error Rate.
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| CN115580360A (en) * | 2021-06-21 | 2023-01-06 | 中兴通讯股份有限公司 | EVM detection method, transmitter and computer-readable storage medium |
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| CN101854218A (en) * | 2010-06-03 | 2010-10-06 | 北京天碁科技有限公司 | System and method for testing radio-frequency performance of wireless terminal |
| CN101931477A (en) * | 2010-09-02 | 2010-12-29 | 湖北众友科技实业股份有限公司 | System and method for automatically testing performance of TD-LTE (Time Division-Long Term Evolution) terminal |
| CN101958757A (en) * | 2010-09-02 | 2011-01-26 | 湖北众友科技实业股份有限公司 | Method and device for testing radio-frequency performance of TD-LTE terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101854218A (en) * | 2010-06-03 | 2010-10-06 | 北京天碁科技有限公司 | System and method for testing radio-frequency performance of wireless terminal |
| CN101931477A (en) * | 2010-09-02 | 2010-12-29 | 湖北众友科技实业股份有限公司 | System and method for automatically testing performance of TD-LTE (Time Division-Long Term Evolution) terminal |
| CN101958757A (en) * | 2010-09-02 | 2011-01-26 | 湖北众友科技实业股份有限公司 | Method and device for testing radio-frequency performance of TD-LTE terminal |
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