CN201063809Y - Connection device of base station testing - Google Patents
Connection device of base station testing Download PDFInfo
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- CN201063809Y CN201063809Y CNU2007201033949U CN200720103394U CN201063809Y CN 201063809 Y CN201063809 Y CN 201063809Y CN U2007201033949 U CNU2007201033949 U CN U2007201033949U CN 200720103394 U CN200720103394 U CN 200720103394U CN 201063809 Y CN201063809 Y CN 201063809Y
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Abstract
The utility model discloses a connecting device of the base station testing for connecting the base station and the testing instrument in the testing process of the base station. The device builds testing links between the base station and the frequency spectrograph, and between the signal source instrument and frequency spectrograph by the shunting/jointing unit and the gating switch. In the testing process, the certain links can be gated and blocked conveniently by adjusting the gating switch, repeatedly removing and building of the testing links are needless, and the device raises the testing efficiency and the utilization ratio of the testing instrument, and reduces the testing working strength.
Description
Technical field
The utility model relates to the measuring technology in the moving communicating field, is specifically related to the jockey of a kind of base station (NodeB) test.
Background technology
The indoor test of base station need adopt a lot of auxiliary test instrumentations usually, and these instrument comprise signal source class instrument and frequency spectrograph class instrument.Wherein, above-mentioned signal source class instrument is mainly used in test signal is provided in test process, this class instrument comprises SMU, AMIQ/SMIQ, E4438, E4432, and base station testing device (NBT, Node B Tester), wherein, NBT can pseudo-terminal (mobile phone) function, for example, send upstream data to the base station, and carry out power adjustment, signal Synchronization etc. according to the signal that the base station issues; Above-mentioned frequency spectrum class instrument is mainly used in measured signal power, observation signal time slot etc.
When the base station is tested, need the base station be connected to build test environment according to testing requirement with above-mentioned test instrumentation according to test purpose.Figure 1 shows that the connection diagram of the base station testing of prior art, except base station 10 and test instrumentation, also comprise adjustable attenuator 11, power splitter 12, universal test system 17 (GTS among Fig. 1, General Test System) and the local operation maintenance terminal 18 of base station (LMT-B, Local Maintenance Terminal for NodeB).Wherein, adjustable attenuator 11 is used to regulate the attenuation degree through the signal of himself.Power splitter 12 is used for one tunnel radiofrequency signal demultiplexing radiofrequency signal, or with synthetic one tunnel radiofrequency signal of multi-channel rf signal.Usually, a side of power splitter 12 has 1 to close road port, and opposite side has a plurality of minutes road ports, promptly, closed Lu Houcong from the signal of minute road port input and closed road port output, and in the opposite direction, from the signal that closes the road port input by back along separate routes from each minute road port output.For obsolete minute road port, can adopt the matched load mode to give shutoff usually.Universal test system 17 is the test controlling platform of base station, and local operation maintenance terminal 18 is used in situations such as the alarm of test process monitored base stations, operation, configurations.As shown in Figure 1, by adjustable attenuator 11 and power splitter 12 base station 10 is connected with signal source class instrument (being signal source class instrument 1, signal source class instrument 2 and signal source class instrument 3 among Fig. 1), the while, 10 sides also were connected with the local operation maintenance terminal 18 of universal test system 17 and base station in the base station.During test, the downstream signal that the base station sends to signal source class instrument at first passes through adjustable attenuator 11, be divided into multiple signals via power splitter 12 again, at this moment, can observe by the signal after the road shunt is wherein inserted frequency spectrograph 13 test of downstream signal.And send to the observation of the upward signal of base station for signal source class instrument, and then need carry out according to connected mode shown in Figure 2, promptly at first remove original link to connect, again frequency spectrograph 13 is connected with adjustable attenuator 11.And radio-frequency radiation or radio-frequency echo wave in test process damage human body or equipment, need 10 sides delete the sub-district by GTS in the base station usually before removing former link.After the observation of upward signal is finished, then need the test environment (being test environment shown in Figure 1) that recovers just to be removed again, further carry out operations such as setting up the sub-district, and then carry out next step test.
Obviously, owing to adopt fixing link to build mode, have following shortcoming and defect in the above-mentioned test process:
1) after test environment is set up, can only be applicable to single testing requirement.When testing requirement changes, need to remove and build again link, and when test instrumentation changes tested object, the operation that also needs to repeat to remove and build test link;
2) using frequency spectrograph to measure in the process of signal of each test instrumentation, need to remove the link between former frequency spectrograph and the test instrumentation, the injury or the radio-frequency echo wave that leak health for fear of link dismounting back radio-frequency radiation cause damage to equipment, and the tester must elder generation carry out the operation of deletion sub-district before removing link.And before the deletion sub-district, the base station may have multistep operation, such as: set up Common transport channel, send out broadcasting, set up Radio Link, send piling message, send test post etc., these operation big city are because of the deletion of sub-district revival not.After the signal measurement of test instrumentation was finished, what often need to remove frequency spectrograph and tested instrument again was connected, recovers former test environment, sets up the sub-district once more, sends broadcasting and waits sequence of operations, the base station is returned to the former state in deletion sub-district.The operating procedure that these are additional has strengthened tester's work, greatly reduces testing efficiency simultaneously;
3) same test instrumentation can only be used by single base station, can't be multiplexing, and the instrument utilance is low;
4) because some signal source class instrument as NBT, only could keep out-of-step free normal operating conditions when keeping normal the connection with the base station.And need to disconnect being connected of this instrument and base station in the above-mentioned test process, therefore can't use frequency spectrograph that these signal source class instrument are effectively tested.
The utility model content
Technical problem to be solved in the utility model provides a kind of jockey of base station testing, is used for simplifying the operation of removing, building test link repeatedly in the base station testing process, improves testing efficiency.
For solving the problems of the technologies described above, the utility model provides scheme as follows:
A kind of jockey of base station testing comprises at least three shunt/combiner units, and at least two gating switches,
The described first shunt/combiner unit receives the signal that send outside base station, this signal is divided into two paths of signals at least, and road signal that will be wherein is sent to the 3rd shunt/combiner unit behind first gating switch, another road signal is sent to the signal source class instrument of outside behind the second shunt/combiner unit;
The described second shunt/combiner unit receives the signal that outside signal source class instrument is sent, this signal is divided into two paths of signals at least, and road signal that will be wherein is sent to the 3rd shunt/combiner unit behind second gating switch, another road signal is sent to the base station of outside behind the first shunt/combiner unit;
Described the 3rd shunt/combiner unit is with the above-mentioned frequency spectrograph class instrument that is sent to the outside through first gating switch with after the signal behind second gating switch closes the road.
In the jockey of the present utility model, further include at least one shunt/combiner unit between the signal source of described second shunt/combiner unit and outside,
Described at least one shunt/combiner unit, be used for being sent to the second shunt/combiner unit after signal that each signal source class instrument of the outside that will receive sends closes the road, and be sent to each signal source class instrument after the signal shunt that is used for to receive from the second shunt/combiner unit.
In the jockey of the present utility model, also include at least one and outside other signal source class instrument shunt/combiner unit and gating switch one to one, be used for receiving respectively the signal that each signal source class instrument sends, the signal that receives is shunted to two-way, and road signal that will be wherein is sent to the 3rd shunt/combiner unit behind gating switch, and another road signal is sent to the first shunt/combiner unit;
The described first shunt/combiner unit is sent to the base station after being further used for the signal that the signal source class instrument after its shunt that receives sends closed the road, and the signal of base station that is used for receiving is along separate routes after be sent to each signal source class instrument behind the pairing shunt/combiner unit of each signal source instrument;
After being further used for its signal through behind each gating switch that receives closed the road, described the 3rd shunt/combiner unit is sent to outside frequency spectrum class instrument.
In the jockey of the present utility model, further include at least one newly-increased shunt/combiner unit between described first shunt/combiner unit and base station, this newly-increased shunt/combiner unit is by being connected with each base station with gating switch that outside each base station connects one to one;
Described newly-increased shunt/combiner unit, be used to receive the signal that the first shunt/combiner unit sends, with above-mentioned signal along separate routes, and each the road signal after will be along separate routes is sent to each base station behind the gating switch through described with external base station respectively one to one, and each base station signal behind each gating switch of process that is used for receiving is sent to the first shunt/combiner unit after closing the road.
In the jockey of the present utility model, the described gating switch corresponding with the base station further is connected with the base station by the loop device, and described loop device is used for when the connectivity port of change itself and base station, the signal attenuation degree of adjusting base station uplink and downlink link.
In the jockey of the present utility model, described shunt/combiner unit is a power splitter.
In the jockey of the present utility model, described gating switch is an adjustable attenuator.
The jockey of base station testing described in the utility model, between base station and frequency spectrograph, build test link between signal source class instrument and the frequency spectrograph, in test process by the adjustable attenuator gating or block specific test link, thereby need not to remove repeatedly, build the test that can realize under the situation of test link to certain test link; Adopt adjustable attenuator and power splitter to connect a plurality of base stations or test instrumentation, thereby realize test, improved testing efficiency and test instrumentation reusability a plurality of base stations; Simultaneously, by adopting the loop device to realize the asymmetric test environment of uplink and downlink link.
Description of drawings
Fig. 1 is the connection diagram of the base station testing of prior art;
Fig. 2 is the connection diagram of transmission signal of the testing source class instrument of prior art;
Fig. 3 is the structural representation of the utility model embodiment 1;
Fig. 4 is the structural representation of the utility model embodiment 2;
Fig. 5 is the structural representation of the utility model embodiment 3;
Fig. 6 is the structural representation of the utility model embodiment 4;
Fig. 7 is the structural representation of the utility model embodiment 5;
Fig. 8 is the structural representation of the utility model embodiment 6.
Embodiment
The utility model utilization shunt/combiner unit and gating switch are built test link between signal source class instrument and the frequency spectrograph between base station and frequency spectrograph.In test process, by regulating gating switch gating or block specific link easily, thereby need not to remove and build test link repeatedly, improved testing efficiency, reduced the intensity of test job.
The adoptable concrete device of shunt/combiner unit has power splitter in the utility model, and gating switch can adopt adjustable attenuator.
Below in conjunction with drawings and the specific embodiments the utility model scheme is done detailed explanation.
Embodiment 1:
Fig. 3 is the structural representation of embodiment 1 of the jockey of base station testing described in the utility model, and as shown in Figure 3, this device 30 comprises power splitter 1～3, adjustable attenuator 20～21.Wherein, the uplink and downlink signal of communication between signal source class instrument and the base station 10 transmits by the link of being made up of power splitter 1 and power splitter 21; The downstream signal that the base station sends is sent to frequency spectrograph 13 through the link of being made up of power splitter 1, adjustable attenuator 20 and power splitter 32 simultaneously; The upward signal that signal source class instrument sends is sent to frequency spectrograph 13 through the link of being made up of power splitter 2, adjustable attenuator 21 and power splitter 33 simultaneously.
During test, at first power splitter 1 is connected to outside base station, power splitter 2 is connected to outside signal source class instrument, and power splitter 3 is connected to outside frequency spectrograph 13.When the downstream signal of testing base station 10, adjustable attenuator 21 is transferred to than the high attenuation value, block the upward signal that signal source class instrument is sent on the link 3, get rid of of the interference of this upward signal to measuring; Simultaneously adjustable attenuator 20 is transferred to less pad value, gating link 2, thus frequency spectrograph measured signal 13 this moment is the downstream signal that base station 10 sends.Similarly, when the upward signal that testing source class instrument sends, regulate adjustable attenuator 20 to than the high attenuation value, adjustable attenuator 20 is to less pad value, thereby the signal that frequency spectrograph 13 is measured is the upward signal that signal source class instrument is sent.
The jockey of the foregoing description all is connected to frequency spectrograph 13 by adjustable attenuator respectively with the link of all needs tests, in test process by regulating adjustable attenuator 20 or this link of being tested of 21 gatings, block other links simultaneously, thereby in test process, need not to remove repeatedly, build the operation of link, the base station also can keep normal operating condition, need not to delete, rebuild the operation of sub-district, improved testing efficiency; Simultaneously, owing to need not being connected of cut-off signal source class instrument and base station, this device can be used for testing some and require the test process link still to keep the signal source class instrument of normal connection, for example NBT etc.; Simultaneously, because in most actual environment, the decay of the uplink and downlink link between terminal and the base station is roughly the same, and power splitter 1 and power splitter 2 symmetry each other in the present embodiment, make that the decay of the uplink and downlink signal on the link 1 is roughly the same, thereby be similar to actual test environment, be very beneficial for the test of base station.
In the test of base station, the base station need be connected to a plurality of signal source class instrument simultaneously usually.Fig. 4 is the structural representation of the utility model embodiment 2, compares with Fig. 3, and present embodiment has increased power splitter 4 between power splitter 2 and signal source class instrument.The branch road port of power splitter 4 is connected to outside a plurality of signal source class instrument respectively, be sent to power splitter 2 after being used for the signal that a plurality of signal source class instrument are sent closed the road, and be used for receiving be sent to each signal source class instrument from the signal of power splitter 2 after along separate routes; By power splitter 4, the jockey 40 of the base station testing of present embodiment can connect a plurality of signal source class instrument simultaneously to be measured, and for example, power splitter 4 has connected 3 signal source class instrument among Fig. 4, and promptly signal source class instrument 1 to 3.
The test and the embodiment 1 of 40 pairs of uplink and downlink signals of jockey of the base station testing of present embodiment are roughly the same, just when the upward signal of certain signal source class instrument is tested, need at first close and treat other signal source class instrument, for example, among Fig. 4, when testing source class instrument 1, need earlier signal source class instrument 2 and signal source class instrument 3 to be closed.
Fig. 5 is the structural representation of the utility model embodiment 3, compares with Fig. 3, and the jockey 50 of the base station testing of present embodiment has increased power splitter 5～6, adjustable attenuator 22～23.3 signal source class instrument are arranged among Fig. 5, and the signal that each signal source class instrument sends is sent to power splitter 3 by power splitter (power splitter 2,5,6) and adjustable attenuator (adjustable attenuator 21～23) respectively, enters frequency spectrograph 13 after power splitter 3 closes the road; Simultaneously, the signal of each signal source class instrument transmission is sent to power splitter 1 by power splitter (power splitter 2,5,6) respectively.
Because each signal source class instrument all is to be connected to frequency spectrograph by adjustable attenuator respectively, thereby when certain signal source class instrument of test, only need the test link of this instrument of gating, blocking other test links simultaneously can measure the signal that this signal source class instrument sends, and need not shutdown signal source class instrument.
Embodiment 4
Fig. 6 is the structural representation of the utility model embodiment 4, compares with Fig. 4, and the jockey 60 of the base station testing of present embodiment has increased power splitter 7, adjustable attenuator 24～25.By power splitter 7, the jockey 60 of base station testing can link to each other with a plurality of base stations of outside simultaneously, is base station 1 and base station 2 among Fig. 6.And, by regulating the adjustable attenuator 24 between base station and the power splitter 7, can gating or the connection of obstruction base station 1, similarly, regulate adjustable attenuator 25, can gating or the connection of blocking base station 2, thus can test respectively or simultaneously each base station according to the test needs.According to this structure of present embodiment, in test process, can test a plurality of base stations.
For example, under the situation about inserting simultaneously in a plurality of base stations, can be adopted as each base station different subdistrict frequency points is set, use different test instrumentations respectively independent test to be carried out in a plurality of base stations.For example, use the signal of signal source class instrument 1 transmission frequency as the subdistrict frequency point of base station 1, signal source class instrument 2 transmission frequency are the signal of the subdistrict frequency point of base station 2, just can observe all signals that receive by frequency spectrograph 13, thereby a plurality of base stations are tested simultaneously.Because the subdistrict frequency point difference of each base station, certain signal of base station just is equivalent to increase noise for other base stations, and less to the influence of the test of other base stations.
According to said structure, the jockey 60 of the base station testing of present embodiment has further been realized the multiplexing of test instrumentation, improves the utilance of test instrumentation.Simultaneously, power splitter 7,1 and power splitter 2,4 be symmetrical structure each other, thereby is similar to actual test environment, helps the test of base station.
Embodiment 5
Fig. 7 is the structural representation of the utility model embodiment 4, compares with Fig. 6, and Fig. 7 has further increased loop device 27 between base station 1 and adjustable attenuator 24.27 ports havings 1～3 of loop device are totally three ports, and the signal of different directions has the decay of different sizes between loop device 27 each port, for example, by port one to 2, port 2 to 3, the signal attenuation of port 3 to 1 directions is less; And by port 2 to 1, port one to 3, the signal attenuation of port 3 to 2 directions is bigger.Therefore adopt loop device 27 can realize the asymmetric test environment of uplink and downlink link.The port 3 of present embodiment intermediate ring road device 27 links to each other with adjustable attenuator 24, when needing the test environment that the up link decay is less, the down link decay is bigger, then the port one of base station with loop device 27 can be linked to each other; When needing the test environment that the up link decay is big, the down link decay is less, then the base station can be linked to each other with the port 2 of loop device 27.Thereby realized the asymmetric test environment of uplink and downlink link.
Obviously, the base station that also can be respectively each access in the utility model increases corresponding loop device, is used to each base station to realize the asymmetric test environment of uplink and downlink link respectively.
Embodiment 6
Fig. 8 is the structural representation of embodiment 6 of the present utility model, and as shown in Figure 8, the jockey 80 of this base station testing combines the part-structure of Fig. 5 and Fig. 7: be connected to base station 1 and base station 2 by power splitter 7; Be connected to signal source class instrument 1 to 3 respectively by power splitter 2,5,6, thereby can connect outside a plurality of base stations and a plurality of test instrumentation.The jockey 80 of this base station testing can carry out independent test to a plurality of base stations simultaneously, and can realize the asymmetric test environment of uplink and downlink link, has improved testing efficiency and instrument reusability.And, the jockey 80 of present embodiment is in test process, by being serially connected in the adjustable attenuator gating on the test link or blocking corresponding test link, thereby need not to close any base station or test instrumentation, only need to finish test by regulating corresponding adjustable attenuator.
In sum, the jockey of base station testing described in the utility model is being used for the process of base station testing, need not to remove repeatedly, build the operation of test link, thereby has reduced test job intensity, has improved testing efficiency; And the jockey of base station testing described in the utility model is tested when having realized a plurality of base station, and has improved the utilance of test instrumentation; Simultaneously, the jockey of this base station testing has further been realized the asymmetric test environment of uplink and downlink link by the loop device.
The above only is embodiment of the present utility model, in order to restriction the utility model, all any modifications of being made, is not equal to replacement, improvement etc. within spirit of the present utility model and principle, all should be included within the protection range of the present utility model.
Claims (7)
1. the jockey of a base station testing is characterized in that, comprises at least three shunt/combiner units, and at least two gating switches,
The described first shunt/combiner unit receives the signal that send outside base station, this signal is divided into two paths of signals at least, and road signal that will be wherein is sent to the 3rd shunt/combiner unit behind first gating switch, another road signal is sent to the signal source class instrument of outside behind the second shunt/combiner unit;
The described second shunt/combiner unit receives the signal that outside signal source class instrument is sent, this signal is divided into two paths of signals at least, and road signal that will be wherein is sent to the 3rd shunt/combiner unit behind second gating switch, another road signal is sent to the base station of outside behind the first shunt/combiner unit;
Described the 3rd shunt/combiner unit is with the above-mentioned frequency spectrograph class instrument that is sent to the outside through first gating switch with after the signal behind second gating switch closes the road.
2. jockey as claimed in claim 1 is characterized in that, further includes at least one shunt/combiner unit between the signal source of described second shunt/combiner unit and outside,
Described at least one shunt/combiner unit, be used for being sent to the second shunt/combiner unit after signal that each signal source class instrument of the outside that will receive sends closes the road, and be sent to each signal source class instrument after the signal shunt that is used for to receive from the second shunt/combiner unit.
3. jockey as claimed in claim 1, it is characterized in that also including at least one and outside other signal source class instrument shunt/combiner unit and gating switch one to one, be used for receiving respectively the signal that each signal source class instrument sends, the signal that receives is shunted to two-way, and road signal that will be wherein is sent to the 3rd shunt/combiner unit behind gating switch, and another road signal is sent to the first shunt/combiner unit;
The described first shunt/combiner unit is sent to the base station after being further used for the signal that the signal source class instrument after its shunt that receives sends closed the road, and the signal of base station that is used for receiving is along separate routes after be sent to each signal source class instrument behind the pairing shunt/combiner unit of each signal source instrument;
After being further used for its signal through behind each gating switch that receives closed the road, described the 3rd shunt/combiner unit is sent to outside frequency spectrum class instrument.
4. jockey as claimed in claim 1, it is characterized in that further including between described first shunt/combiner unit and base station at least one newly-increased shunt/combiner unit, this newly-increased shunt/combiner unit is by being connected with each base station with gating switch that outside each base station connects one to one;
Described newly-increased shunt/combiner unit, be used to receive the signal that the first shunt/combiner unit sends, with above-mentioned signal along separate routes, and each the road signal after will be along separate routes is sent to each base station behind the gating switch through described with external base station respectively one to one, and each base station signal behind each gating switch of process that is used for receiving is sent to the first shunt/combiner unit after closing the road.
5. jockey as claimed in claim 4, it is characterized in that, the described gating switch corresponding with the base station further is connected with the base station by the loop device, and described loop device is used for when the connectivity port of change itself and base station, the signal attenuation degree of adjusting base station uplink and downlink link.
6. as each described jockey of claim 1 to 5, it is characterized in that described shunt/combiner unit is a power splitter.
7. as each described jockey of claim 1 to 5, it is characterized in that described gating switch is an adjustable attenuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201033949U CN201063809Y (en) | 2007-01-30 | 2007-01-30 | Connection device of base station testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201033949U CN201063809Y (en) | 2007-01-30 | 2007-01-30 | Connection device of base station testing |
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| CN201063809Y true CN201063809Y (en) | 2008-05-21 |
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| CNU2007201033949U Expired - Lifetime CN201063809Y (en) | 2007-01-30 | 2007-01-30 | Connection device of base station testing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547803A (en) * | 2012-01-30 | 2012-07-04 | 中兴通讯股份有限公司 | System, method and multiplexer for testing radio frequency for base station |
| CN108075843A (en) * | 2016-11-11 | 2018-05-25 | ***通信有限公司研究院 | A kind of device and method of scytoblastema station test |
| CN109413686A (en) * | 2018-10-19 | 2019-03-01 | 京信通信***（中国）有限公司 | Base station automatization test system, method and apparatus |
| CN112738836A (en) * | 2019-10-28 | 2021-04-30 | 普天信息技术有限公司 | Communication system capacity test equipment, cabinet and system |
-
2007
- 2007-01-30 CN CNU2007201033949U patent/CN201063809Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547803A (en) * | 2012-01-30 | 2012-07-04 | 中兴通讯股份有限公司 | System, method and multiplexer for testing radio frequency for base station |
| WO2013113205A1 (en) * | 2012-01-30 | 2013-08-08 | 中兴通讯股份有限公司 | System, method and multiplexer for testing radio frequency of base station |
| CN108075843A (en) * | 2016-11-11 | 2018-05-25 | ***通信有限公司研究院 | A kind of device and method of scytoblastema station test |
| CN109413686A (en) * | 2018-10-19 | 2019-03-01 | 京信通信***（中国）有限公司 | Base station automatization test system, method and apparatus |
| CN109413686B (en) * | 2018-10-19 | 2022-07-29 | 京信网络***股份有限公司 | Base station automatic test system, method and device |
| CN112738836A (en) * | 2019-10-28 | 2021-04-30 | 普天信息技术有限公司 | Communication system capacity test equipment, cabinet and system |
| CN112738836B (en) * | 2019-10-28 | 2022-08-09 | 普天信息技术有限公司 | Communication system capacity test equipment, cabinet and system |
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