CN205051691U - Radiofrequency signal auto -change over device of DTRU basic station carrier frequency - Google Patents
Radiofrequency signal auto -change over device of DTRU basic station carrier frequency Download PDFInfo
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- CN205051691U CN205051691U CN201520830008.0U CN201520830008U CN205051691U CN 205051691 U CN205051691 U CN 205051691U CN 201520830008 U CN201520830008 U CN 201520830008U CN 205051691 U CN205051691 U CN 205051691U
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Abstract
The utility model provides a radiofrequency signal auto -change over device of DTRU basic station carrier frequency, include: signal switching module and RF route switch control module, between signal switching module and the RF relay drive unit to and between RF relay drive unit and the RF relay the control unit all the signal through the DP0 port drive control carries out, the control command of II forms of ASIC that RF relay the control unit receiving system bus was provided makes RF relay the control unit's DP0 port output signal, and send the port to RF relay drive unit DP0 with output signal, thereby drive two radiofrequency signal's between the radio frequency route switching through the action of RF relay drive unit control relay DP0, realized to the rapidity among the basic station carrier frequency maintenance test procedure, the demand of reliability and punctuality nature, and simplifies the operation process, the efficiency of the test is improved mistake survey rate has been reduced, and avoided the high frequency high power radiofrequency signal who leads to because of human error to damage noble test instrument.
Description
Technical field
The technical field of measurement and test that the radio frequency that the utility model relates to communication apparatus switches, particularly relates to the radiofrequency signal switching device shifter of a kind of DTRU base station carrier in DTRU base station carrier test process.
Background technology
Base station and public mobile communication base station are a kind of forms of radio station, refer in certain area of radio coverage, pass through mobile switching center, and radio station is believed in the transceiving carrying out information transmission between mobile telephone terminal, for GSM network, comprise base station transceiver (carrier frequency) and base station controller (BSC), carrier frequency is exactly briefly a functional module inside base station, the modulation /demodulation of primary responsibility processing signals; Transceiver unit (TRX), is called for short carrier frequency general introduction TRX and have employed modular construction, both comprised baseband processing unit, and also comprised RF processing unit.These information separated from travelling carriage Received signal strength, become signaling information and voice messaging also upwards transmit by demodulation by antenna by TRX.Descending signaling information and voice messaging, by delivering to antenna after TRX process, re-send to travelling carriage.TRX also receives the various management and configuration information that TMU base station controller issues, and reports self various state and warning information to TMU.The normal work of service behaviour to communication base station of baseband signal processing unit (TBPU) and radiofrequency signal process radio-frequency module has material impact.Therefore, at radio-frequency module after fabrication or before reprocessing installation, all need radio frequency module to test.
DTRU (DoubleTrans-ReceiverUnit) is the carrier frequency equipment used in Ericsson RBS2206 equipment, its major advantage has: integrated 2 transceivers, 2 traditional TRU (Trans-ReceiverUnit) before being equivalent to; Supporting EDGE, without the need to increasing Y-link cable, without the need to increasing STRU (SingleTrans-ReceiverUnit), can easily open EDGE function.
In the prior art, when switch test multi-channel radio frequency module being carried out to radiofrequency signal relies on the mode of manual plug radio frequency connector to complete usually.There is following defect in the technical scheme of this manual detection: first: the possibility that there is misoperation during manual plug radio frequency connector likely causes the damage of valuable tester; Secondly, there is complex operation, reliability is low, survey ratio high by mistake.
In view of this, be necessary to be improved DTRU radiofrequency signal switching device shifter of the prior art, to solve the problem.
Utility model content
The purpose of this utility model is the radiofrequency signal switching device shifter of openly a kind of DTRU base station carrier, in order to realize the radiofrequency signal switch test to multi-channel radio frequency unit, and effectively prevent testing equipment to be damaged, improve efficiency and the reliability of radiofrequency signal switch test, and reduce false failure rate.
For achieving the above object, the utility model provides a kind of radiofrequency signal switching device shifter of DTRU base station carrier, comprising:
Signal switching module and RF path switching controls module;
Described RF path switching controls module is made up of RF relay drive unit and RF relay control unit;
Described signal switching module by port be arranged on two base station comprehensive testers, two RF power meters, between RF spectrum instrument and DTRU carrier frequency;
Between described signal switching module and RF relay drive unit, and the DP0 port all by each unit between RF relay drive unit and RF relay control unit carries out drived control, described RF relay control unit is connected by gpib interface with between host computer;
The order of ASIC II form that described RF relay control unit receiving system bus provides makes the DP0 port of control unit export control signal, and output signal is sent to the DP0 port of RF relay drive unit, export drive control signal control relay by the DP0 port of RF relay drive unit and drive the radiofrequency signal between two radio frequency paths to switch.
In some embodiments, system bus is IEEE-488 bus.
In some embodiments, the DP0 port of RF relay control unit is the IEEE1394 port device of reconfigurable DIO.
In some embodiments, the port CMU1PORT1 of signal switching module and port CMU1PORT3 is connected to port PO RT1 and the port PO RT3 of base station comprehensive tester respectively;
The port CMU2PORT1 of described signal switching module and port CMU2PORT3 is connected to port PO RT1 and the port PO RT3 of base station comprehensive tester respectively;
Port PM1 and the port PM2 of described signal switching module are connected to RF power meter respectively;
The port SA of described signal switching module is connected with RF spectrum instrument;
Port M1, D1, M2, D2, C1, C2 of described signal switching module are connected with TXB with port RXA, RXADIV, RXB, RXBDIV, TXA of DTRU carrier frequency respectively.
Compared with prior art, the beneficial effects of the utility model are: in the utility model, control signal signal is exported by the DP0 port of control RF relay control module, and signal is sent to RF relay drive unit, the action of relay driver element output drive signal control radio-frequency relay achieves the radiofrequency signal switch test to multi-channel radio frequency unit, and effectively prevent the tester caused because of misoperation and be damaged, improve efficiency and the reliability of radiofrequency signal switch test, and reduce false failure rate.
Accompanying drawing explanation
Fig. 1 is the entire block diagram of the radiofrequency signal switching device shifter of a kind of DTRU base station carrier of the utility model;
Fig. 2 is the circuit diagram of signal switching module;
Fig. 3 is the circuit diagram of RF relay drive DP0.
Embodiment
Below in conjunction with each execution mode shown in the drawings, the utility model is described in detail; but should be noted that; these execution modes are not limitation of the utility model; those of ordinary skill in the art are according to these execution mode institute work energy, method or structural equivalent transformations or substitute, and all belong within protection range of the present utility model.
Please refer to the drawing 1 is to a kind of embodiment of the radiofrequency signal switching device shifter of a kind of DTRU of the utility model illustrated in fig. 3 base station carrier.
In the present embodiment, the radiofrequency signal switching device shifter of this DTRU base station carrier, comprising: signal switching module 10 and RF path switching controls module 20.Concrete, this RF path switching controls module 20 is made up of RF relay drive unit 21 and RF relay control unit 22.Signal switching module 10 by port be arranged on two base station comprehensive testers, 41,42, two RF power meters 43,44, between RF spectrum instrument 45 and DTRU carrier frequency 30.Drived control is carried out by port DP0 between this signal switching module 10 and RF relay drive unit 21; Drived control is carried out by port DP0 between RF relay drive unit 21 and RF relay control unit 22.
Be connected by gpib interface between this RF relay control unit 22 with host computer 50.Concrete, the order of this ASIC II form given by RF relay control unit 22 receiving system bus exports control signal with the DP0 port of control RF relay control unit 22, and output signal is sent to RF relay drive unit 21, make the RF actuating of relay by being exported drive control signal by RF relay drive unit 21 thus realize the radiofrequency signal switching between two radio frequency paths.Preferably, this system bus is IEEE-488 bus.Meanwhile, this RF relay control unit DP0 port is the IEEE1394 port device of reconfigurable DIO.
Port CMU1PORT1 and the port CMU1PORT3 of signal switching module 10 are connected port PO RT1 and the port PO RT3 of base station comprehensive tester 41 respectively.The port CMU2PORT1 of signal switching module 10 and port CMU2PORT3 is connected to port PO RT1 and the port PO RT3 of base station comprehensive tester 42 respectively.The port PM1 of signal switching module 10 and port PM2 is connected to RF power meter 43,44 respectively.The port SA of signal switching module 10 is connected with RF spectrum instrument 45.Port M1, D1, M2, D2, C1, C2 of signal switching module 10 are connected with TXB with port RXA, RXADIV, RXB, RXBDIV, TXA of DTRU carrier frequency 30 respectively.
This signal switching module 10 mainly comprises multiple radio-frequency (RF) switch (SW1, SW2, SW3, SW4, SW5, SW6), radio frequency attenuator (specification: 10db10w), radio frequency attenuator (specification: 10db150w) and power divider (Dc1, Dc2, Dc3, Dc4).The signal that the path handoff functionality of radiofrequency signal is provided by IEEE-488 bus realizes.All IEEE-488 bus control signals are provided by a digital I/O interface board (i.e. RF relay control unit DP0 port).The controlling functions of signal switching module 10 realizes by drive for the IEEE1394 port device of this reconfigurable DIO just.Radio-frequency relay driver element DP0 port driver control signal is provided by IEEE-488 bus, the order of the ASCII text formatting that IEEE-DI040 controller receiving system bus issues exports control signal to the DP0 port of control RF relay control unit, and the output signal radio frequency relay drive plate DP0 port be given in control module exports drive control signal and then drives the actuating of relay to complete the radiofrequency signal handoff functionality of RF signal path.
The radiofrequency signal switching control function of the DTRU radiofrequency signal switching device shifter in present embodiment is by the control realization of the digital I/O interface board being referred to as IEEE-DIO40.This digital I/O interface board exports drive control signal to RF relay drive unit, make the actuating of relay by RF relay drive unit DP0 output port output drive signal thus the radiofrequency signal realizing different radio frequency path switches, and IEEE-DIO40 controller is driven by IEEE-488 bus (GPIB).The instruction of ASCII command format is keyed at the computer control end possessing client software and configuration software, the digital I/O port that IEEE-DIO40 controller receives instruction control IEEE-DIO40 after compiling that bus sends here to the DP0 port of radio-frequency relay driver element and then the action of driving radio-frequency relay, for consistent with required by ANSI/IEEE-488 standard of the instruction that controls.IEEE-DIO40 drived control plate comprises five eight-digit number word I/O ports and DP0, DP1, DP2, DP3, DP4, and each port can be arranged to input or output state by instruction.In the present embodiment, the DP0 in radio-frequency relay control port has only been used.
A series of detailed description listed is above only illustrating for feasibility execution mode of the present utility model; they are also not used to limit protection range of the present utility model, all do not depart from the utility model skill equivalent implementations of doing of spirit or change all should be included within protection range of the present utility model.
To those skilled in the art, obvious the utility model utility patent is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1. a radiofrequency signal switching device shifter for DTRU base station carrier, is characterized in that, comprising:
Signal switching module (10) and RF path switching controls module (20);
Described RF path switching controls module (20) is made up of RF relay drive unit (21) and RF relay control unit (22);
Described signal switching module (10) by port be arranged on two base station comprehensive testers (41,42), two RF power meters (43,44), between RF spectrum instrument (45) and DTRU carrier frequency (30);
Between described signal switching module (10) and RF relay drive unit (21), and all controlled by the signal of the DP0 port of each unit between RF relay drive unit (21) and RF relay control unit (22), described RF relay control unit (22) is connected by gpib interface with between host computer (50);
The order of ASIC II form given by described RF relay control unit (22) receiving system bus makes the DP0 port output signal of control unit, and output signal is sent to the DP0 port of RF relay drive unit (21), switched to drive the radiofrequency signal between two radio frequency paths by RF relay drive unit (21) DP0 port controlling relay DP0 action.
2. the radiofrequency signal switching device shifter of DTRU base station carrier according to claim 1, is characterized in that, described system bus is IEEE-488 bus.
3. the radiofrequency signal switching device shifter of DTRU base station carrier according to claim 1, is characterized in that, the DP0 port of described RF relay control unit is the IEEE1394 port device of reconfigurable DIO.
4. the radiofrequency signal switching device shifter of DTRU base station carrier according to claim 1, it is characterized in that, port CMU1PORT1 and the port CMU1PORT3 of described signal switching module (10) are connected port PO RT1 and the port PO RT3 of base station comprehensive tester (41) respectively;
The port CMU2PORT1 of described signal switching module (10) and port CMU2PORT3 is connected to port PO RT1 and the port PO RT3 of base station comprehensive tester (42) respectively;
The port PM1 of described signal switching module (10) and port PM2 is connected to RF power meter (43,44) input;
The port SA of described signal switching module (10) is connected with RF spectrum instrument (45);
Port M1, D1, M2, D2, C1, C2 of described signal switching module (10) are connected with TXB with port RXA, RXADIV, RXB, RXBDIV, TXA of DTRU carrier frequency (30) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830008.0U CN205051691U (en) | 2015-10-22 | 2015-10-22 | Radiofrequency signal auto -change over device of DTRU basic station carrier frequency |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520830008.0U CN205051691U (en) | 2015-10-22 | 2015-10-22 | Radiofrequency signal auto -change over device of DTRU basic station carrier frequency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983617A (en) * | 2020-07-15 | 2020-11-24 | 中国人民解放军国防科技大学 | Dual-polarization phased array weather radar |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111983617A (en) * | 2020-07-15 | 2020-11-24 | 中国人民解放军国防科技大学 | Dual-polarization phased array weather radar |
| CN111983617B (en) * | 2020-07-15 | 2023-02-03 | 中国人民解放军国防科技大学 | Dual-polarization phased array weather radar |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Radiofrequency signal auto -change over device of DTRU basic station carrier frequency Effective date of registration: 20170313 Granted publication date: 20160224 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI ANOSI TELECOM TECHNOLOGIES Co.,Ltd. Registration number: 2017990000184 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170331 Address after: 100142 Beijing, Haidian District North Road, building No. 45, a layer of floor, No. 14 Patentee after: Beijing Anoxin Technology Co.,Ltd. Address before: 214000 Jiangsu Province, Wuxi City Linghu Wuxi national hi tech Industrial Development Zone, Road No. 200 Chinese Sensor Network International Innovation Park building G7 layer Patentee before: WUXI ANOSI TELECOM TECHNOLOGIES Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |