CN201131038Y - Transmission-receive path automatic switchover apparatus for testing base station system - Google Patents
Transmission-receive path automatic switchover apparatus for testing base station system Download PDFInfo
- Publication number
- CN201131038Y CN201131038Y CNU2007201990837U CN200720199083U CN201131038Y CN 201131038 Y CN201131038 Y CN 201131038Y CN U2007201990837 U CNU2007201990837 U CN U2007201990837U CN 200720199083 U CN200720199083 U CN 200720199083U CN 201131038 Y CN201131038 Y CN 201131038Y
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Abstract
The utility model relates to an automatic switching device of a sending and receiving channel used for the system test of a base station, which is provided with a receiving and sending signal routing switching box for and is characterized in that the receiving and sending signal routing switching box comprises an antenna array switching unit with a GPIB bus interface and a functional test switching unit with a GPIB bus interface. The antenna array switching unit is provided with three radio frequency cable interfaces which connect the receiving and sending channels at three sectors of the base station. The functional test switching unit is provided with a plurality of radio frequency cable interfaces for connecting the test instrument. Eight receiving and sending channels are connected between the antenna array switching unit and the functional test switching unit. The signals from all receiving and sending channels of the base station are connected with the test instrument through the receiving and sending signal routing switching box. A computer is used to connect the switching box through the GPIB bus, so as to realize automatic switching of receiving and sending channels, overcome various problems brought about by manual switching and greatly improve test efficiency, safety and reliability.
Description
[technical field]
The utility model is a transmitting-receiving path automatic switching control equipment that is used for the mobile communication base station system test.
[background technology]
Usually base station system is the system of a multiple-input and multiple-output, and many transmitting-receiving paths are arranged.In the TD-SCDMA base station as one of 3G standard,, nearly 24 groups of transmission duplex paths are arranged usually owing to used smart antenna.Are the modes that adopt manual switchover to all transmitting-receiving path measurements of the base station of having assembled at present, the signal of individual channel are connected to measuring system one by one get on that though simple, it must cause following a plurality of problems in factory:
Need the operator about testboard, to monitor from start to finish and carry out necessary handover operation, thereby reduced testing efficiency, increased labour cost;
Therefore environment when base station system test needs the many on-the-spot real work of simulation all will add some measuring elements on every transmitting-receiving path, and the transfer of measurement environment and verification will spend many times;
Because the measurement of base station transceiver path mostly is the radio-frequency performance test, if misoperation when carrying out craft and switching can cause transmitting-receiving path open circuit, this can produce infringement to operator's health, and the fail safe of measurement is difficult to assurance;
Manual switchover very easily causes the open circuit or the string road of transmitting-receiving path, has increased the transmitting-receiving path greatly and has reflected the probability that damages the module amplifier circuit because of transmitting, and therefore, the base station system internal module can't be effectively protected;
Sometimes the fail safe in order to guarantee to measure under the manual switchover condition, need be after the measurement that finishes one tunnel transmitting-receiving path, close whole base station system, after waiting to finish manual path switching, again open whole base station system again, so will cause environment that each transmitting-receiving path measures and inconsistent, be unfavorable for the defective that the discovery system is potential, measurement with a low credibility.
[summary of the invention]
The purpose of this utility model designs a kind of transmitting-receiving path automatic switching control equipment exactly, can instead of manual switch the realization automatic switchover in the mobile communication base station system test, thereby overcome above-mentioned every defective.
The utility model adopts following technical proposal: a kind of transmitting-receiving path automatic switching control equipment of base station system test usefulness, has a receiving and transmitting signal route a-b box, it is characterized in that: receiving and transmitting signal route a-b box is made up of aerial array switch unit that is provided with the gpib bus interface and the functional test switch unit that is provided with the gpib bus interface, the aerial array switch unit is provided with three transceiver channel radio frequency cable interfaces that are used to connect three sectors, base station, the functional test switch unit is provided with several radio frequency cable interfaces that is used to connect tester, has eight transceiver channels to connect between aerial array switch unit and the functional test switch unit.
Further, described aerial array switch unit contains by one that eight hilted broadswords four are thrown the radio-frequency switch array of radio-frequency (RF) switch, first data acquisition and switch unit and one first power supply constitutes; Radio-frequency switch array has three groups of Chang Kaiduan, one group of common port, three groups of control ends and one group of earth terminal, wherein: three groups of corresponding three transceiver channel radio frequency cable interfaces that connect three sectors, described connection base station of Chang Kaiduan, one group of common port connects described eight transceiver channels that are connected with the functional test switch unit, three groups of control ends connect three control signal interfaces of first data acquisition and switch unit by three control lines, and one group of earth terminal connects the earth connection of first power supply; The power supply output line of first power supply is connected to the input of first data acquisition and switch unit, is connected in series a matched load respectively between three control lines and power line and the earth connection and a LED shows; The gpib bus interface of described aerial array switch unit is located at first data acquisition and switch unit; The 220V civil power inserts first data acquisition and the switch unit and first power supply.
Further, the radio-frequency (RF) switch of the described functional test switch unit radio-frequency (RF) switch of being thrown by a hilted broadsword eight, a single-pole double throw, second data acquisition and switch unit, a second source and one the 3rd power supply are formed; The Chang Kaiduan of the radio-frequency (RF) switch that hilted broadsword eight is thrown connects described eight transceiver channels that are connected with the aerial array switch unit, and its common port connects the common port of the radio-frequency (RF) switch of single-pole double throw; A Chang Kaiduan of the radio-frequency (RF) switch of single-pole double throw connects the transmitter unit testing apparatus of peripheral hardware, and another Chang Kaiduan connects the receiving element testing apparatus of peripheral hardware; Nine signaling interfaces of second data acquisition and switch unit, eight radio-frequency (RF) switch of throwing with hilted broadsword eight are connected, and one is connected with the radio-frequency (RF) switch of single-pole double throw; The gpib bus interface of described functional test switch unit is located at second data acquisition and switch unit; The power supply output line of second source is connected to an input of second data acquisition and switch unit, the radio-frequency (RF) switch that its earth connection connection hilted broadsword eight is thrown and the radio-frequency (RF) switch of single-pole double throw; The power supply output line of the 3rd power supply is connected to another input of second data acquisition and switch unit, and its earth connection connects the transmitter unit testing apparatus and the receiving element testing apparatus of peripheral hardware; The 220V civil power inserts second data acquisition and switch unit, second source and the 3rd power supply.
Operation principle of the present utility model is: the aerial array switch unit converts three sectors, 20 four road transceiver channels to a sector eight road transceiver channels, throw radio-frequency (RF) switch through the hilted broadsword eight of functional test switch unit and from eight road transceiver channels, select one road transceiver channel, the road transmission duplex radio-frequency channel that to be selected by single-pole double-throw switch (SPDT) converts the radio-frequency channel that transmitting-receiving separates to, last according to the external measuring element that is used to simulate actual working environment of the measurement demand of transmitter and receiver, as filter, attenuator, coupler, power splitters etc. carry out the test of base station radio-frequency performance.Technique effect is embodied in: the signal of all transmitting-receiving paths of base station system is connected with measuring instrument by receiving and transmitting signal route a-b box, connect a-b box by computer by gpib bus, realize that the transmitting-receiving path switches automatically, overcome the variety of issue that manual switchover brought, improved efficiency of measurement, fail safe and reliability greatly.
[description of drawings]
Fig. 1 is connection side's block diagram of receiving and transmitting signal route a-b box and base station to be measured and measuring instrument.
Fig. 2 is the electrical schematic diagram of aerial array switch unit.
Fig. 3 is the block diagram of functional test switch unit.
[embodiment]
Elaborate below in conjunction with embodiment of the present utility model and accompanying drawing.
As shown in Figure 1, the utility model is a kind of transmitting-receiving path automatic switching control equipment of base station system test usefulness, its physical aspect is a receiving and transmitting signal route a-b box 10, and inside is made up of aerial array switch unit 30 circuit (english abbreviation ASU) and functional test switch unit 20 circuit (english abbreviation FTSU).Aerial array switch unit 30 connects the transceiver channel radio frequency cable of three sectors, tested base station by three radio frequency cables, and every radio frequency cable has eight transceiver channels.Functional test switch unit 20 connects the instrument that is used to test by some radio frequency cables, as spectrum analyzer, various signal sources etc.The gpib bus of test computer 80 is connected to aerial array switch unit 30, functional test switch unit 20 and tester.Base station controller simulation unit 90 1 sides of simulation actual working environment connect tested base station 100, and opposite side connects test computer 80, and test computer 80 plug-ins are the whole test processs of control automatically.There are eight transceiver channels to connect between aerial array switch unit 30 and the functional test switch unit 20, aerial array switch unit 30 converts 100 3 sectors, base station, 20 four road transceiver channels to a sector eight road transceiver channels and is connected with functional test switch unit 20, functional test switch unit 20 is selected one road transceiver channel and is converted thereof into the radio-frequency channel that transmitting-receiving separates from eight road transceiver channels, issue/receive the measuring instrument signal by test request.The signal of all transmitting-receiving paths of base station 100 systems is connected with measuring instrument by receiving and transmitting signal route a-b box 10, switch by the signal route of gpib bus control antenna array switch unit 30 and functional test switch unit 20 by computer 80, realized that automatic transmitting-receiving path switches, finished the radio-frequency performance test of base station.
As shown in Figure 2, described aerial array switch unit 30 contains eight hilted broadswords four by one throws the radio-frequency switch array of radio-frequency (RF) switch U1, U2, U3, U4, U5, U6, U7, U8, first data acquisition and switch unit U9 (Data Acquisition Switch Unit adopts the Agilent34970 device) and one first power supply U10 formation.Radio-frequency switch array has three groups of Chang Kaiduan, and (1 end of radio-frequency (RF) switch U1-U8 is one group, 2 ends are one group, 3 ends are one group), one group of common port (the c end of radio-frequency (RF) switch U1-U8), three groups of control ends (not marking among the figure) and one group of earth terminal (not marking among the figure), wherein: three groups of corresponding three transceiver channel radio frequency cable interface S1 that connect three sectors, described connection base station of Chang Kaiduan, S2, S3, one group of common port connects described eight transceiver channels that are connected with functional test switch unit 20, three groups of control ends connect three control signal interface CH101 of first data acquisition and switch unit U9 by three control lines, CH102, CH103, one group of earth terminal connects the earth connection GND of first power supply; Power line+12VDC of the first power supply U10 is connected to the input of first data acquisition and switch unit U9, respectively is connected in series matched load R1, a R2, R3, R4 and a LED between three control line CH101, CH102, CH103 and power line+12VDC and the earth connection GND and shows D1, D2, D3, D4.The gpib bus interface of described aerial array switch unit 30 is located at first data acquisition and switch unit U9; The 220V civil power inserts first data acquisition and the switch unit U9 and the first power supply U10.
First data acquisition and switch unit U9 are controlled by test computer 80 autotest programs by gpib bus, offer the radio-frequency switch array control signal by Agilent34970, finish 24 and select 8 function.LED shows that D1, D2, D3, D4 can place on the front panel of aerial array switch unit, can demonstrate intuitively current selected sector and controlling and driving signal required+whether the 12VDC power supply normal, if any can in time manually intervening unusually.
When needs are measured sector S1 aerial array, need only by testing software (Agilent 34970) the pairing path 10s 1 of U9 in this unit (CH101) closure.+ 12VDC is communicated to common port by the Chang Kaiduan of the relay of path 10 1 (CH101), and at this moment 1 end of radio frequency array switch U1-U8 and common port c have set up the radio-frequency channel.The radiofrequency signal of No. eight antennas of sector S1 can be communicated with the functional test switch unit by the common port c of U1-U8.Equally, closed U9 (Agilent 34970) pairing path 10s 2 (CH102), the radiofrequency signal of No. eight antennas of sector S2 can be communicated with functional test switch unit (FTSU) by 2 ends and the common port c of U1-U8.When U9 (Agilent 34970) pairing path 10s 3 (CH103) were closed, the radiofrequency signal of No. eight antennas of sector S3 can be communicated with the functional test switch unit by 3 ends and the common port of U1-U8.
As shown in Figure 3, the radio-frequency (RF) switch U11 that described functional test switch unit 20 (FTSU, adopt Agilent34970 device) is thrown by a hilted broadsword eight, the radio-frequency (RF) switch U12 of a single-pole double throw, second data acquisition and switch unit U13, a second source U14 and one the 3rd power supply U15 form; The Chang Kaiduan of the radio-frequency (RF) switch U11 that hilted broadsword eight is thrown (1 to 8 end) connects described eight transceiver channels that are connected with aerial array switch unit 30, and its common port (c end) connects the common port (c end) of the radio-frequency (RF) switch U12 of single-pole double throw; The Chang Kaiduan (being set at 1 end) of the radio-frequency (RF) switch U12 of single-pole double throw connects the transmitter unit testing apparatus 40 of peripheral hardware, and another Chang Kaiduan (being set at 2 ends) connects the receiving element testing apparatus 50 of peripheral hardware; Nine signaling interface CH101-109 of second data acquisition and switch unit U13, wherein eight CH101-108 are connected with the radio-frequency (RF) switch that hilted broadsword eight is thrown, and a CH109 is connected with the radio-frequency (RF) switch U12 of single-pole double throw; The gpib bus interface of described functional test switch unit 20 is located at second data acquisition and switch unit U13; Power supply output line+12VDC of second source U14 is connected to the input of second data acquisition and switch unit U13, the radio-frequency (RF) switch U11 that its earth connection GND connection hilted broadsword eight is thrown and the radio-frequency (RF) switch U12 of single-pole double throw; Power supply output line+15VDC of the 3rd power supply U15 is connected to another input of second data acquisition and switch unit U13, and its earth connection GND connects the transmitter unit testing apparatus 40 and the receiving element testing apparatus 50 of peripheral hardware; The 220V civil power inserts second data acquisition and switch unit U13, second source U14 and the 3rd power supply U15.
The major function of functional test switch unit 20 is passages that special use is provided for the radio-frequency performance test of base station transceiver.Through aerial array switch unit 30, three-sector 24 road transceiver channel is converted into a sector 8 road transceiver channels, and the radio-frequency (RF) switch U11 that is thrown by a hilted broadsword eight finishes eight and selects a function again.Select the radiofrequency signal behind 1 switch to convert the radio-frequency channel of transmission duplex to radio-frequency channel that transmitting-receiving separates by 8 by a single-pole double-throw switch (SPDT) U12.According to the measurement demand of transmitter and receiver, throw radio-frequency (RF) switch U11 and U12 and radio frequency amplifier, various filter, attenuator, mixer, directional coupler, isolator etc. by hilted broadsword more and form designated lane, finish the test of various radio frequency parameters.
Here U13 (Agilent 34970) is a radio-frequency (RF) switch, also is the controller of amplifier.By gpib bus, the switching of autotest program control radio-frequency (RF) switch and the power supply of each amplifier.Second source U14+12V DC power supply provides the servo voltage of all radio-frequency (RF) switch.The 3rd power supply U15+15V DC power supply provides the bias supply of amplifier.
When testing software with this unit in the pairing channel C H101 of U13 (Agilent 34970) when closed, the radiofrequency signal of antenna ANT1 is linked emission function test cell 40 by U11 and U12 so, carries out the functional test of transmit direction.When passage ch102 was closed, the radiofrequency signal of antenna ANT1 also can be linked emission function test cell 40 by U11 and U12, carries out the functional test of transmit direction, and the like carry out the functional test of the transmit direction of eight passages.In like manner, when testing software with CH101-108 in any one passage and ch109 passage simultaneously after the closure, the radiofrequency signal of antenna ANT1 is linked emission function test cell 50 by U11 and U12, can carry out the functional test of the receive direction of eight passages.Second source U14U14 is the power supply of an alternating current 220V AC input, direct current+12VDC output, and the servo power supply that provides radio-frequency (RF) switch to switch is provided.The 3rd power supply U15 then is the power supply of an alternating current 220V AC input, direct current+15VDC output, the bias supply of used amplifier when being used to transmit and receive common the test.
Claims (3)
1. a base station system is tested the transmitting-receiving path automatic switching control equipment of usefulness, has a receiving and transmitting signal route a-b box, it is characterized in that: receiving and transmitting signal route a-b box is made up of aerial array switch unit that is provided with the gpib bus interface and the functional test switch unit that is provided with the gpib bus interface, the aerial array switch unit is provided with three transceiver channel radio frequency cable interfaces that are used to connect three sectors, base station, the functional test switch unit is provided with several radio frequency cable interfaces that is used to connect testing apparatus, has eight transceiver channels to connect between aerial array switch unit and the functional test switch unit.
2. according to the transmitting-receiving path automatic switching control equipment of the described base station system test of claim 1 usefulness, it is characterized in that:
Described aerial array switch unit contains by one that eight hilted broadswords four are thrown the radio-frequency switch array of radio-frequency (RF) switch, first data acquisition and switch unit and one first power supply constitutes; Radio-frequency switch array has three groups of Chang Kaiduan, one group of common port, three groups of control ends and one group of earth terminal, wherein: three groups of corresponding three transceiver channel radio frequency cable interfaces that connect three sectors, described connection base station of Chang Kaiduan, one group of common port connects described eight transceiver channels that are connected with the functional test switch unit, three groups of control ends connect three control signal interfaces of first data acquisition and switch unit by three control lines, and one group of earth terminal connects the earth connection of first power supply; The power supply output line of first power supply is connected to the input of first data acquisition and switch unit, is connected in series a matched load respectively between three control lines and power line and the earth connection and a LED shows; The gpib bus interface of described aerial array switch unit is located at first data acquisition and switch unit; The 220V civil power inserts first data acquisition and the switch unit and first power supply.
3. according to the transmitting-receiving path automatic switching control equipment of the described base station system of claim 1 test usefulness, it is characterized in that: the radio-frequency (RF) switch that described functional test switch unit is thrown by a hilted broadsword eight, the radio-frequency (RF) switch of a single-pole double throw, second data acquisition and switch unit, a second source and one the 3rd power supply are formed; The Chang Kaiduan of the radio-frequency (RF) switch that hilted broadsword eight is thrown connects described eight transceiver channels that are connected with the aerial array switch unit, and its common port connects the common port of the radio-frequency (RF) switch of single-pole double throw; A Chang Kaiduan of the radio-frequency (RF) switch of single-pole double throw connects the transmitter unit testing apparatus of peripheral hardware, and another Chang Kaiduan connects the receiving element testing apparatus of peripheral hardware; Nine signaling interfaces of second data acquisition and switch unit, eight radio-frequency (RF) switch of throwing with hilted broadsword eight are connected, and one is connected with the radio-frequency (RF) switch of single-pole double throw; The gpib bus interface of described functional test switch unit is located at second data acquisition and switch unit; The power supply output line of second source is connected to an input of second data acquisition and switch unit, the radio-frequency (RF) switch that its earth connection connection hilted broadsword eight is thrown and the radio-frequency (RF) switch of single-pole double throw; The power supply output line of the 3rd power supply is connected to another input of second data acquisition and switch unit, and its earth connection connects the transmitter unit testing apparatus and the receiving element testing apparatus of peripheral hardware; The 220V civil power inserts second data acquisition and switch unit, second source and the 3rd power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201990837U CN201131038Y (en) | 2007-12-11 | 2007-12-11 | Transmission-receive path automatic switchover apparatus for testing base station system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201990837U CN201131038Y (en) | 2007-12-11 | 2007-12-11 | Transmission-receive path automatic switchover apparatus for testing base station system |
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| Publication Number | Publication Date |
|---|---|
| CN201131038Y true CN201131038Y (en) | 2008-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201990837U Expired - Lifetime CN201131038Y (en) | 2007-12-11 | 2007-12-11 | Transmission-receive path automatic switchover apparatus for testing base station system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950266A (en) * | 2010-09-21 | 2011-01-19 | 中国人民解放军63961部队 | Adaptive detection routing switching method |
| CN104898548A (en) * | 2015-06-11 | 2015-09-09 | 陈奕铭 | Test instrument switching device |
| CN106788474A (en) * | 2016-12-08 | 2017-05-31 | 广州海格通信集团股份有限公司 | Switch the device of receiving and transmitting signal path |
| CN109188234A (en) * | 2018-09-18 | 2019-01-11 | 中国工程物理研究院应用电子学研究所 | A kind of automation integrated device of the injection of multi-path large power microwave and S parameter measurement |
| CN109983351A (en) * | 2016-11-23 | 2019-07-05 | 法国大陆汽车公司 | The diagnostic method of bias supply for the acquisition system including array interface device |
-
2007
- 2007-12-11 CN CNU2007201990837U patent/CN201131038Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950266A (en) * | 2010-09-21 | 2011-01-19 | 中国人民解放军63961部队 | Adaptive detection routing switching method |
| CN101950266B (en) * | 2010-09-21 | 2012-04-11 | 中国人民解放军63961部队 | Adaptive detection routing switching method |
| CN104898548A (en) * | 2015-06-11 | 2015-09-09 | 陈奕铭 | Test instrument switching device |
| CN109983351A (en) * | 2016-11-23 | 2019-07-05 | 法国大陆汽车公司 | The diagnostic method of bias supply for the acquisition system including array interface device |
| CN109983351B (en) * | 2016-11-23 | 2021-11-02 | 法国大陆汽车公司 | Diagnostic method for a bias power supply of an acquisition system comprising an array interface device |
| CN106788474A (en) * | 2016-12-08 | 2017-05-31 | 广州海格通信集团股份有限公司 | Switch the device of receiving and transmitting signal path |
| CN109188234A (en) * | 2018-09-18 | 2019-01-11 | 中国工程物理研究院应用电子学研究所 | A kind of automation integrated device of the injection of multi-path large power microwave and S parameter measurement |
| CN109188234B (en) * | 2018-09-18 | 2020-12-29 | 中国工程物理研究院应用电子学研究所 | Automatic integrated device for multi-path high-power microwave injection and S parameter measurement |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NOKIA SIEMENS NETWORKS (SHANGHAI) CO., LTD. Free format text: FORMER NAME OR ADDRESS: SHANGHAI SIEMENS MOBILE COMMUNICATION CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: Shanghai, Pudong, Sichuan Road, No. 777, zip code: 201206 Patentee after: Siemens Mobile Communication Co., Ltd., Shanghai Address before: Shanghai, Pudong, Sichuan Road, No. 777, zip code: 201206 Patentee before: Shanghai Siemens Mobile Communication Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: NOKIA COMMUNICATION (SHANGHAI) CO., LTD. Free format text: FORMER NAME: NOKIA SIEMENS NETWORKS SHANGHAI CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 777 Bridge Patentee after: NOKIA COMMUNICATION (SHANGHAI) CO., LTD. Address before: 201206, Shanghai, Pudong, Sichuan Road, No. 777 Bridge Patentee before: Nokia Siemens Networks (Shanghai) Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081008 |