CN1929667A - Automatic testing device and method for GSM multiple carrier frequency base station - Google Patents

Automatic testing device and method for GSM multiple carrier frequency base station Download PDF

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CN1929667A
CN1929667A CNA2005100987423A CN200510098742A CN1929667A CN 1929667 A CN1929667 A CN 1929667A CN A2005100987423 A CNA2005100987423 A CN A2005100987423A CN 200510098742 A CN200510098742 A CN 200510098742A CN 1929667 A CN1929667 A CN 1929667A
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base station
controller
tested
signal
carrier frequency
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CN100473202C (en
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王国强
杨祥春
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ZTE Corp
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ZTE Corp
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Abstract

This invention discloses one automatic test device and method of GSM multi-load frequency station, wherein the device comprises the following parts: wireless control unit, analogue station controller, radio process unit, main control unit, result process unit, wherein the main control unit is to control and monitor station control status, wireless control unit and radio switch controller and test results; the said results process unit is to test result of analysis, memory and inquire; the said wireless control unit is to fulfill main radio antenna interface to process radio emission index, main receive error codes and interface door codes test.

Description

A kind of automatic testing equipment of GSM multiple carrier frequency base station and method thereof
Technical field
The present invention relates to a kind of communication test device and method of mobile communication system, the automated production testing apparatus and the automatic test approach thereof of base station (BTS) complete machine of in particular a kind of GSM (global system for mobile communications) and base station transceiver module (TRM also claims carrier frequency).
Background technology
In the GSM mobile radio communications system, wireless signal conversion, transmitting-receiving, the modulation of baseband signal and the transmission of service signal are realized in the base station, simultaneously, also will receive the signaling from switching network, finish the control of base station system.In whole gsm mobile communication system, the output of base station and carrier frequency is more much bigger than the miscellaneous equipment.Therefore, in production field, how improving the production efficiency of base station equipment effectively, is the key that improves whole gsm communication system production efficiency.
In China Patent No. is CN ZL 97126132.6, applicant: LG Information ﹠ Communications Ltd., disclosing in " test circuit of base station of mobile radio communications system " patent documentation of inventor: Quan Puzhong, Jin Dayuan mainly is the circuit arrangement that is applied in the test of wireless channel, its adopt the portable terminal simulated mode to the signaling of the wireless signal of output, call out control, voltage standing wave ratio etc. and test.This technology mainly is applicable to the test of calling out control and signaling aspect, does not relate to A.BIS (base station with the base station controller between) interface of base station and tests cooperating of wave point, and the radiofrequency signal index of air interface is tested.
In " GSM master's diversity single carrier frequency base station testing apparatus " patent of limited company of disclosed ZTE Corporation, base station testing device to a kind of single carrier frequency of GSM master's diversity has been proposed, this device is made up of wireless channel control module, index/control module and master control module, and it adopts the A.BIS interface control unit in control and the index test unit to control.This testing apparatus is applicable to the main diversity base station testing of the single carrier frequency of GSM, if but be used for the automatic test of multiple carrier frequency base station and overloading frequency module, have following defective:
1) this testing apparatus can not be realized the test of overloading power temporal envelope index frequently.
2) the various states of base station can not be simulated, be controlled to the base station controller of this testing apparatus employing well, and make corresponding processing at the different running status in base station.
3) this testing apparatus can not be realized the automatic test of multiple carrier frequency base station.
Therefore, there is defective in prior art, and awaits improving and development.
Summary of the invention
Purpose of the present invention is exactly automatic testing equipment and the method thereof that proposes a kind of GSM multiple carrier frequency base station, and overloading frequency, the main diversity base station that can be applied to GSM base station and module are tested automatically.
Technical scheme of the present invention comprises:
A kind of automatic testing equipment of GSM multiple carrier frequency base station, wherein, it comprises wireless energy control units, anolog base station controller, RF processing unit, main control unit, result treatment unit;
Described main control unit is the control unit of whole system, is used to control the state with monitoring base station control simulator, the radio-frequency (RF) switch controller of control wireless energy control units, reads the test result of result treatment unit;
Described result treatment unit is used to realize analysis, storage and the query function of test result, improves automatic test efficient;
Described wireless energy control units is used to finish the main diversity radio-frequency antenna interface with tested base station, and the different antennae signal allocation of base station to different transmission, main collection receive, the diversity reception passage, launch the test that index, main collection receive error code and diversity reception error code respectively; Described tested base station is delivered to described RF processing unit to the radiofrequency signal of described wireless energy control units and is handled, and tests the emission index of tested base station; Described RF processing unit emission standard GSM signal carries out the test of reception error code of the main diversity of tested base station to wireless energy control units.
Described device, wherein, described anolog base station controller is controlled the base station by interface anolog base station controller between base station and the base station controller, to realize to the resetting of base station, initialization, parameter configuration, to the activation and the deexcitation function in carrier frequency channel and certain time slot, half crack and full-time crack.
Described device, wherein, described anolog base station controller is connected to interface between the base station of tested base station and the base station controller by the E1 interface.
Described device wherein, is connected with serial ports by network interface between described anolog base station controller and the described main control unit, and described network interface is used for anolog base station controller is downloaded and communication function, and transmitting control commands; Described serial ports is used for monitoring the running status of anolog base station controller, and realizes the communication function of main control unit and anolog base station controller.
Described device, wherein, described wireless energy control units comprises first radio-frequency (RF) switch, second radio-frequency (RF) switch, the 3rd radio frequency switch and corresponding on-off controller, duplexer; Described first and second radio-frequency (RF) switch are finished the switching of base station/master's collection reception antenna, and its handoff functionality is subjected to the control of corresponding on-off controller, delivers to described duplexer through the radiofrequency signal after switching through the radio frequency cable; Described on-off controller is subjected to the control of described main control unit; Described duplexer be used to finish transmit with received signal separate and synthetic;
Described the 3rd radio frequency switch and corresponding on-off controller are controlled the switching of main diversity signal; The signal of main collection receive path sends back to tested base station after duplexer, radio-frequency (RF) switch.
Described device, wherein, described wireless energy control units also comprises an attenuator, described base station transmit signals is delivered to this attenuator through behind the duplexer; Described attenuator decays to suitable power to the radiofrequency signal from duplexer, and passes to described RF processing unit, carries out rf signal analysis and processing.
Described device, wherein, described RF processing unit comprises signal analysis and processing unit and signal transmitting unit, described signal analysis and processing unit are used to receive the radiofrequency signal that comes from described attenuator, carry out rf signal analysis and processing; Described signal transmitting unit is used for to described the 3rd radio frequency switch emission standard GSM signal through leading collection receive path and the diversity reception passage main diversity antenna to the base station.
A kind of automatic test approach of GSM multiple carrier frequency base station, it may further comprise the steps:
A) its main control unit is downloaded test program to anolog base station controller, and the control anolog base station controller resets to tested multiple carrier frequency base station; Described main control unit carries out the parameter setting to RF processing unit;
B) described main control unit is controlled first on-off controller and the 3rd on-off controller, and the antenna of selecting a carrier frequency place in the tested multiple carrier frequency base station is to corresponding transmission channel;
C) described anolog base station controller activates by interface between base station and the base station controller and different states is arrived in the tested base station of deexcitation, comprise single time slot, half crack and full-time crack, tested signal of base station enters transmission channel by transmitting antenna, obtains the radio-frequency transmissions index of tested carrier frequency by signal analysis and processing unit analysis and processing;
D) described the 3rd on-off controller selects the antenna at tested carrier frequency place to receive path to corresponding main collection, send test signal by signal transmitting unit and get back to signal analysis and processing unit through the emission path of tested base station correspondence then to tested base station, the main collection that carries out tested carrier frequency receives error code testing and analysis;
E) switch described the 3rd on-off controller and second switch controller, the diversity reception error code of tested carrier frequency is tested and analyzed to the antenna that switches tested carrier frequency to corresponding diversity reception path;
F) repeating step B) to E), each carrier frequency of test multiple carrier frequency base station;
G) test result of described all carrier frequency of result treatment element analysis is for described main control unit analysis, inquiry or printing.
The automatic testing equipment of a kind of GSM multiple carrier frequency base station provided by the present invention and method thereof, compared with prior art, functional units such as the analysis of the automatic configuration by test parameter is set, the automatic switchover of radio-frequency (RF) switch, test result unit, storage, inquiry, printing, guarantee the automation of testing from hardware and software, improved testing efficiency.
Description of drawings
Fig. 1 is the interface schematic diagram of GSM multiple carrier frequency base station in the automatic testing equipment of the present invention and multiple carrier frequency base station testing apparatus;
Fig. 2 is the multiple carrier frequency base station testing apparatus internal frame diagram of automatic testing equipment of the present invention;
Fig. 3 is the theory diagram of the wireless energy control units of automatic testing equipment of the present invention.
Embodiment
Below in conjunction with accompanying drawing apparatus of the present invention are described in further detail.
The automatic testing equipment of GSM multiple carrier frequency base station of the present invention, be the external interface schematic diagram of GSM multiple carrier frequency base station as shown in Figure 1, the tested object that tested main diversity multiple carrier frequency base station is apparatus of the present invention, its antenna is connected respectively to the antenna 1a of multiple carrier frequency base station testing apparatus of the present invention, antenna 1b, antenna 2a, antenna 2b, antenna Na, antenna Nb, (N is the antenna number more than or equal to 2), antenna 1a wherein, antenna 2a, antenna Na is transmission/master's collection reception antenna, antenna 1b, antenna 2b, antenna Nb is the diversity reception antenna, and the A.BIS interface of base station is connected to multiple carrier frequency base station automatic testing equipment of the present invention by E1.
The external interface of described multiple carrier frequency base station is made up of two parts: the air interface that the A.BIS interface that is connected with base station controller of network side, wireless side are connected with portable terminal or travelling carriage connects by antenna.Main diversity base station is by much forming antenna, and each is to all comprising two strip antennas.Wherein one receives usefulness as main collection again both as transmitting antenna usefulness, and another strip antenna is used as diversity reception.
The emission of indication referred to from the base station to the portable terminal direction during the present invention hereinafter described, receive to refer to send to the base station from portable terminal, and be to be object of reference with the base station.
As shown in Figure 2, the automatic testing equipment of GSM multiple carrier frequency base station of the present invention comprises wireless energy control units 201, anolog base station controller 202, RF processing unit 203, main control unit 204, result treatment unit 205 compositions.
Described wireless energy control units 201 is finished the main diversity radio-frequency antenna interface with tested base station, and the different antennae signal allocation of base station to different transmission, main collection receive, the diversity reception passage, launch the test that index, main collection receive error code and diversity reception error code respectively.Described wireless energy control units 201 receives radio-frequency (RF) switch control, the handoff functionality of described main control unit 204.Tested base station is delivered to described RF processing unit 203 to the radiofrequency signal of described wireless energy control units 201 through radio frequency cable and is handled, and tests the emission index of tested base station; Described RF processing unit 203 emission standard GSM signals carry out the test of reception error code of the main diversity of tested base station to described wireless energy control units 201.
Described wireless energy control units 201 also comprises the first radio-frequency (RF) switch A, the second radio-frequency (RF) switch B, the 3rd radio frequency switch C and corresponding on-off controller A, B, C, duplexer 2011, attenuator 2012, as shown in Figure 3.The described first radio-frequency (RF) switch A finishes the switching of base station/master's collection reception antenna, and its handoff functionality is subjected to the control of the corresponding first on-off controller A, delivers to duplexer 2011 through the radiofrequency signal after switching through the radio frequency cable; The first on-off controller A is subjected to the control of main control unit; Duplexer 2011 be used to finish transmit with received signal separate and synthetic.
Transmitting of described base station delivered to attenuator 2012 through behind the described duplexer 2011; Described attenuator 2012 decays to suitable power to the radiofrequency signal from duplexer 2011, passes to signal analysis and processing unit 2031 then, carries out rf signal analysis and processing.Described signal transmitting unit emission standard GSM signal arrives the main diversity antenna of base station through main collection receive path and diversity reception passage; The 3rd radio frequency switch C and the radio-frequency (RF) switch control C that controlled by main control unit control the switching of main diversity signal; The signal of main collection receive path sends back to tested base station behind duplexer 2011, the first radio-frequency (RF) switch A.
Described anolog base station controller 202 is controlled the base station by A.BIS interface anolog base station controller (BSC), can realize to the resetting of base station, initialization, parameter configuration, to the activation and the deexcitation function in carrier frequency channel and certain time slot, half crack and full-time crack.Anolog base station controller is connected to the A.BIS interface of tested base station by the E1 interface.Be connected with serial ports by network interface between anolog base station controller and the main control unit, network interface can be used for anolog base station controller being downloaded and communication function transmitting control commands etc.; Serial ports can be used for monitoring the running status of anolog base station controller, also can be used for realizing the communication function of main control unit and anolog base station controller.
Described RF processing unit 203 is made up of described signal analysis and processing unit 2031 and signal transmitting unit 2032.Described signal analysis and processing unit receive the radiofrequency signal that the wireless energy control units of hanging oneself is handled the back base station, and it is analyzed and handles, and obtain performance index such as phase error, range error, average power, modulation spectrum, switching spectrum.The main diversity reception path that signal transmitting unit refers to the picture base station sends the error code testing signal, then by loop being set in tested base station, respectively from master, the path of diversity antenna after wireless energy control units 201 is handled, master, the diversity reception error rate of testing tested base station.
Described main control unit 204 is control units of whole system, it controls the carrying out of whole testing process, as the state of control and monitoring base station control simulator 202, control wireless energy control units 201 the radio-frequency (RF) switch controller, read the test result of result treatment unit etc.
Analysis, storage and the query function of test result realized in described result treatment unit 205, improves automatic test efficient.
The block diagram of the master's diversity base station testing device of the present invention that provides as Fig. 2.Among Fig. 2 201 is wireless energy control units, and the interface of it and base station mainly contains transmission channel/master and collects receive path and diversity reception passage, and physical connection is a radio frequency cable.With the two parts that are connected with of RF processing unit 203, connect by the radio frequency cable, a part is connected to the signal analysis and the processing unit 2031 of RF processing unit, and another part is connected to radiofrequency signal transmitting element 2032, and radiofrequency signal is analyzed and handled.Main control unit provides the control signal of wireless energy control units, finishes the controlled function of radio-frequency (RF) switch.
The 202nd, anolog base station controller, it provides an E1 interface to be connected with the A.BIS interface of tested base station, simulated the function of base station controller (BSC) in the base station sub-system, the configuration feature of the various parameters (as carrier frequency, channel) of control base station resets, startup, activation, base station etc., can also read the state of tested base station, and take different controlled function according to different states.The base stations control simulator is subjected to the control of main control unit with adopting network interface or serial ports to connect between the main control unit.
Described RF processing unit 203 is made up of signal analysis and processing unit 2031 and signal transmitting unit 2032.Signal analysis and processing unit receive to the radiofrequency signal of base station after the wireless energy control units processing, and it is analyzed and handle, obtain performance index such as phase error, range error, power temporal envelope, average power, modulation spectrum, switching spectrum.The main diversity reception path that signal transmitting unit refers to the picture base station sends the error code testing signal, then by loop being set in tested base station, respectively from master, the path of diversity antenna after wireless energy control units 201 is handled, master, the diversity reception error rate of testing tested base station.
Described main control unit 204 is control units of whole system.It with anolog base station controller between be connected with serial ports by network interface, can carry out that program is downloaded to anolog base station controller, the state of monitoring anolog base station controller, control analog controller realize control and status poll function to tested base station; Its control switch controller A, B, C realize the switching control function of the first radio-frequency (RF) switch A, the second radio-frequency (RF) switch B, the 3rd radio frequency switch C, and control signal can adopt level, pulse, voltage etc. according to the difference of actual conditions.It also extracts test result from the result treatment unit in addition.
The test result of 205 analyses of described result treatment unit and processing signals analysis and processing unit, and test result is saved in automatically the network data base of local and far-end, realize remote data library inquiry and test result printing function, improved automation efficient.
Be illustrated in figure 3 as the theory diagram of the wireless energy control units of automatic testing equipment of the present invention, this wireless energy control units is according to the path of emission, master, diversity, be divided into first via transmission channel, first via master collects receive path, first via diversity reception passage, the second road transmission channel, the second road main collection receive path, the second tunnel diversity reception passage, N road transmission channel, the main collection receive path in N road, N road diversity reception passage.Below with n to main diversity antenna (antenna na, nb, n are any natural number of 1-N) for example introduce signal flow that the emission path of the composition structure of wireless energy control units and every pair of antenna, main collection receive path, diversity reception path to.
N road transmission channel comprises that the process radio-frequency antenna na that transmits that exports from tested GSM base station transmitter carries out the first radio-frequency (RF) switch A, the radio-frequency (RF) switch controller is under the control of main control unit, antenna na switching is outputed to the duplexer 2011 that transmits and separate and synthesize with received signal, because the transmitting power of different base station is inconsistent, need a controlled attenuator 2012 to delivering to signal analysis after power output decays to appropriate power and processing unit is handled.
The main collection receive path in n road comprises from send test massage the 3rd radio frequency switch C of main diversity reception switching controls of signal transmitter unit, be subjected to the 3rd on-off controller C of main control unit control, the duplexer 2011 that realization transmits and separates and synthesize with received signal, the first radio-frequency (RF) switch A and the first on-off controller A that the main collection of control received signal is switched, the main collection reception antenna na that is switched to tested base station then enters the receiver of tested base station, at tested inside of base station loopback after transmitter is delivered to transmitting antenna 1a, after the switching of signal of radio-frequency antenna na, deliver to duplexer 2011 through the first radio-frequency (RF) switch A and the first on-off controller A, deliver to signal analysis and processing unit through after the power attenuation of attenuator 2012 then, carry out signal analysis and processing.
Diversity reception passage in n road comprises from send test massage the 3rd radio frequency switch C of main diversity reception switching controls of signal transmitter unit, deliver to the second radio-frequency (RF) switch B of switched diversity reception antenna behind the 3rd on-off controller C that controlled by main control unit, under the control of second switch controller B, switch to the receiver that antenna nb delivers to tested base station then, at tested inside of base station loopback after transmitter is delivered to transmitting antenna 1a, after the switching of signal of radio-frequency antenna na, deliver to duplexer 2011 through the first radio-frequency (RF) switch A and the first on-off controller A, deliver to signal analysis and processing unit through after the power attenuation of attenuator 2012 then, carry out signal analysis and processing.
The base station system test step of automatic testing equipment of the present invention is as follows:
Test with a multiple carrier frequency base station is an example, below from the operation principle of external declaration GSM multiple carrier frequency base station automatic testing equipment:
1) described main control unit 204 is downloaded test program to anolog base station controller 202, controls anolog base station controller then tested multiple carrier frequency base station is resetted; Described main control unit carries out the parameter setting to RF processing unit.
2) described main control unit is controlled the first on-off controller A and the 3rd on-off controller C, and the antenna of selecting a carrier frequency place in the tested multiple carrier frequency base station is to corresponding transmission channel.
3) anolog base station controller activates with the tested base station of deexcitation by the A.BIS interface and arrives different states, as single time slot, half crack and full-time crack, tested signal of base station enters transmission channel by transmitting antenna, analyzes and handle the radio-frequency transmissions index that obtains tested carrier frequency by signal analysis and processing unit 2031.
4) control the 3rd on-off controller C, select the antenna at tested carrier frequency place to receive path to corresponding main collection, send test signal by signal transmitting unit and get back to signal analysis and processing unit through the emission path of tested base station correspondence then to tested base station, the main collection that carries out tested carrier frequency receives error code testing and analysis.
5) switch the 3rd on-off controller C and second switch controller B then, the diversity reception error code of tested carrier frequency is tested and analyzed to the antenna that switches tested carrier frequency to corresponding diversity reception path.
6) repeating step 2)-5), other carrier frequency of test multiple carrier frequency base station.
7) test result of described all carrier frequency of result treatment element analysis is for described main control unit analysis, inquiry or printing.
In sum, the automatic switchover of the automatic configuration of automatic testing equipment of the present invention by test parameter, radio-frequency (RF) switch, the analysis of test result unit, storage, inquiry, printing etc., guaranteed the automation of testing from hardware and software, testing efficiency is provided.
But should be understood that above-mentioned description at specific embodiment is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.

Claims (8)

1, a kind of automatic testing equipment of GSM multiple carrier frequency base station is characterized in that, it comprises wireless energy control units, anolog base station controller, RF processing unit, main control unit, result treatment unit; Described main control unit is the control unit of whole system, is used to control the state with monitoring base station control simulator, the radio-frequency (RF) switch controller of control wireless energy control units, reads the test result of result treatment unit;
Described result treatment unit is used to realize analysis, storage and the query function of test result, improves automatic test efficient;
Described wireless energy control units is used to finish the main diversity radio-frequency antenna interface with tested base station, and the different antennae signal allocation of base station to different transmission, main collection receive, the diversity reception passage, launch the test that index, main collection receive error code and diversity reception error code respectively; Described tested base station is delivered to described RF processing unit to the radiofrequency signal of described wireless energy control units and is handled, and tests the emission index of tested base station; Described RF processing unit emission standard GSM signal carries out the test of reception error code of the main diversity of tested base station to wireless energy control units.
2, device according to claim 1, it is characterized in that, described anolog base station controller is controlled the base station by interface anolog base station controller between base station and the base station controller, to realize to the resetting of base station, initialization, parameter configuration, to the activation and the deexcitation function in carrier frequency channel and certain time slot, half crack and full-time crack.
3, device according to claim 2 is characterized in that, described anolog base station controller is connected to interface between the base station of tested base station and the base station controller by the E1 interface.
4, device according to claim 3 is characterized in that, is connected with serial ports by network interface between described anolog base station controller and the described main control unit, and described network interface is used for anolog base station controller is downloaded and communication function, and transmitting control commands; Described serial ports is used for monitoring the running status of anolog base station controller, and realizes the communication function of main control unit and anolog base station controller.
5, device according to claim 4 is characterized in that, described wireless energy control units comprises first radio-frequency (RF) switch, second radio-frequency (RF) switch, the 3rd radio frequency switch and corresponding on-off controller, duplexer; Described first and second radio-frequency (RF) switch are finished the switching of base station/master's collection reception antenna, and its handoff functionality is subjected to the control of corresponding on-off controller, delivers to described duplexer through the radiofrequency signal after switching through the radio frequency cable; Described on-off controller is subjected to the control of described main control unit; Described duplexer be used to finish transmit with received signal separate and synthetic;
Described the 3rd radio frequency switch and corresponding on-off controller are controlled the switching of main diversity signal; The signal of main collection receive path sends back to tested base station after duplexer, radio-frequency (RF) switch.
6, device according to claim 5 is characterized in that, described wireless energy control units also comprises an attenuator, and described base station transmit signals is delivered to this attenuator through behind the duplexer; Described attenuator decays to suitable power to the radiofrequency signal from duplexer, and passes to described RF processing unit, carries out rf signal analysis and processing.
7, device according to claim 6, it is characterized in that, described RF processing unit comprises signal analysis and processing unit and signal transmitting unit, and described signal analysis and processing unit are used to receive the radiofrequency signal that comes from described attenuator, carries out rf signal analysis and processing; Described signal transmitting unit is used for to described the 3rd radio frequency switch emission standard GSM signal through leading collection receive path and the diversity reception passage main diversity antenna to the base station.
8, a kind of automatic test approach of GSM multiple carrier frequency base station, it may further comprise the steps:
A) its main control unit is downloaded test program to anolog base station controller, and the control anolog base station controller resets to tested multiple carrier frequency base station; Described main control unit carries out the parameter setting to RF processing unit;
B) described main control unit is controlled first on-off controller and the 3rd on-off controller, and the antenna of selecting a carrier frequency place in the tested multiple carrier frequency base station is to corresponding transmission channel;
C) described anolog base station controller activates by interface between base station and the base station controller and different states is arrived in the tested base station of deexcitation, comprise single time slot, half crack and full-time crack, tested signal of base station enters transmission channel by transmitting antenna, obtains the radio-frequency transmissions index of tested carrier frequency by signal analysis and processing unit analysis and processing;
D) described the 3rd on-off controller selects the antenna at tested carrier frequency place to receive path to corresponding main collection, send test signal by signal transmitting unit and get back to signal analysis and processing unit through the emission path of tested base station correspondence then to tested base station, the main collection that carries out tested carrier frequency receives error code testing and analysis;
E) switch described the 3rd on-off controller and second switch controller, the diversity reception error code of tested carrier frequency is tested and analyzed to the antenna that switches tested carrier frequency to corresponding diversity reception path;
F) repeating step B) to E), each carrier frequency of test multiple carrier frequency base station;
G) test result of described all carrier frequency of result treatment element analysis is for described main control unit analysis, inquiry or printing.
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CN101141205B (en) * 2007-07-04 2011-07-13 中兴通讯股份有限公司 TD-SCDMA radio frequency index testing system and method
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* Cited by examiner, † Cited by third party
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CN101141205B (en) * 2007-07-04 2011-07-13 中兴通讯股份有限公司 TD-SCDMA radio frequency index testing system and method
CN101834678A (en) * 2010-03-31 2010-09-15 华为技术有限公司 Radio frequency indication test system and control method thereof
CN101834678B (en) * 2010-03-31 2013-08-14 华为技术有限公司 Radio frequency indication test system and control method thereof
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CN102437887A (en) * 2011-10-18 2012-05-02 大唐移动通信设备有限公司 Monitoring equipment and application method thereof
WO2017016051A1 (en) * 2015-07-30 2017-02-02 中兴通讯股份有限公司 Method and device for optimizing terminal signals

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