CN102378234A - Testing system for base station performance - Google Patents
Testing system for base station performance Download PDFInfo
- Publication number
- CN102378234A CN102378234A CN201010250577XA CN201010250577A CN102378234A CN 102378234 A CN102378234 A CN 102378234A CN 201010250577X A CN201010250577X A CN 201010250577XA CN 201010250577 A CN201010250577 A CN 201010250577A CN 102378234 A CN102378234 A CN 102378234A
- Authority
- CN
- China
- Prior art keywords
- receiver
- transmitter
- information bit
- base station
- detecting information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The invention discloses a testing system for a performance of a base station, wherein the system is connected with a transmitter and a receiver of the base station. The testing system comprises: an analog signal generation subsystem, which is connected to a transmitter of a base station and is used for generating a test information bit and is transmitted by the transmitter after modulation and spread spectrum processes; a transmitter performance testing subsystem, which is connected with the analog signal generation subsystem and the transmitter and is used for testing the transmitting performance of the transmitter; an analog signal receiving subsystem, which is connected with a receiver of the base station; and a receiver performance testing subsystem, which is connected with the analog signal receiving subsystem and the receiver and is used for testing the performance of the receiver; besides, according to the analog signal receiving subsystem, the receiver is used to receive the test information bit that has been processed by the modulation and the spread spectrum processes; and after a dispreading process and a demodulation process, a test information bit is restored.
Description
?
Technical field
The present invention relates to wireless communication technology field, relate in particular to a kind of base station performance test macro.
Background technology
A complete base station is made up of transmitter and antenna transmission system two parts.A lot of physical point of attachments are arranged between from the transmitter to the antenna; Like the output of transmitter, the input of mixer/filter, the output of mixer/filter, the optional position of feeder line, the input of antenna etc., the matched well between each link is the key of assurance system operate as normal.
Transmitter and antenna are the keys of decision whole system operate as normal, and these two parts have very strong relevance.This relating dot is exactly the RF output end of transmitter, just the input of antenna.If the output standing-wave ratio of transmitter is very desirable, and antenna is in mismatch Conditions, the power of system just can not effectively be radiated in the air so.On the contrary, if antenna is in the ideal matching state, and the standing-wave ratio of transmitter is very poor, equally effectively radiation of system power.
Meet the requirement of correlation technique standard in order to ensure the base station operation.Need test the base station running quality.
Summary of the invention
The present invention is intended to propose a kind of system that base station performance is tested.
According to the present invention, a kind of base station performance test macro is proposed, be connected to the transmitter and receiver of base station, this base station performance test macro comprises:
The analogue signal generating subsystem is connected to the transmitter of base station, and the analogue signal generating subsystem produces the detecting information bit, through modulate and spread spectrum after launch by transmitter;
The transmitter performance test subsystems is connected to analogue signal generating subsystem and transmitter, the emitting performance of test receiver;
The analog signal receiving subsystem is connected to the receiver of base station, receives the detecting information bit through modulation and spread spectrum by receiver, after despreading and demodulation, reduces the detecting information bit;
The receiver performance test subsystems is connected to analog signal receiving subsystem and receiver, the performance of test receiver.
The analogue signal generating subsystem comprises:
The test signal generating apparatus generates the detecting information bit;
Modulator is connected to the test signal generating apparatus, and the detecting information bit is modulated;
Frequency multiplier is connected to modulator, expands the frequency spectrum of modulated detecting information bit with pseudo random sequence.
Corresponding, the analog signal receiving subsystem comprises:
Despreader is connected to receiver, uses the pseudo random sequence identical with frequency multiplier that the detecting information bit that receives is carried out despreading;
Demodulator is connected to despreader, and the detecting information bit after the despreading is carried out demodulation.
Perhaps, the analogue signal generating subsystem comprises:
The test signal generating apparatus generates the detecting information bit;
Frequency multiplier is connected to the test signal generating apparatus, with the frequency spectrum of pseudo random sequence extend testing information bit.
Modulator is connected to frequency multiplier, and the detecting information bit through spread spectrum is modulated.
Corresponding, the analog signal receiving subsystem comprises:
Demodulator is connected to receiver, and the detecting information bit that receives is carried out demodulation;
Despreader is connected to demodulator, and the detecting information bit after using the pseudo random sequence identical with frequency multiplier to demodulation carries out despreading.
The transmitter performance test subsystems comprises:
The peak power testing apparatus, the peak power output of detection transmitter;
The PCDE testing apparatus, the PCDE of detection transmitter;
The frequency error testing apparatus, the frequency error of detection transmitter;
The common pilot channel power accuracy test device, the common pilot channel power of detection transmitter;
The adjacent channel leakage testing apparatus, the adjacent channel leakage ratio of detection transmitter.
The receiver performance test subsystems comprises:
Sensibility testing arrangement, the relative sensitivity and the absolute sensitivity of detection receiver;
The dynamic range testing apparatus, the dynamic range of detection receiver;
Up link broadband power testing apparatus, the up link broadband power of detection receiver.
Base station performance test macro of the present invention can be to the main performance of the transmitter and receiver of base station; Comprise that maximum output, PCDE, frequency error, common pilot channel power precision and adjacent channel leakage ratio, relative sensitivity, dynamic range, up link broadband power (detect with absolute sensitivity, guarantee effective work of base station.
Description of drawings
Fig. 1 has disclosed the structure chart of base station performance test macro of the present invention.
Fig. 2 has disclosed the structure chart of the analogue signal generating subsystem under a kind of the configuration.
Fig. 3 has disclosed the structure chart of the analog signal receiving subsystem under a kind of the configuration.
Fig. 4 has disclosed the structure chart of the analogue signal generating subsystem under the another kind of configuration.
Fig. 5 has disclosed the structure chart of the analog signal receiving subsystem under the another kind of configuration.
Fig. 6 has disclosed the structure chart of transmitter performance test subsystems of the present invention.
Fig. 7 has disclosed the structure chart of receiver performance test subsystems of the present invention.
Embodiment
With reference to shown in Figure 1, the present invention has disclosed a kind of base station performance test macro, and this base station performance test macro is connected to the transmitter and receiver of base station, and this test macro comprises following parts:
Analogue signal generating subsystem 10 is connected to the transmitter 60 of base station, and analogue signal generating subsystem 10 produces the detecting information bits, through modulate and spread spectrum after launch by transmitter.
Transmitter performance test subsystems 11 is connected to analogue signal generating subsystem 10 and transmitter 60, the emitting performance of test receiver 60.
Analog signal receiving subsystem 12 is connected to the receiver 70 of base station, receives the detecting information bit through modulation and spread spectrum by receiver 70, after despreading and demodulation, reduces the detecting information bit.
Receiver performance test subsystems 13 is connected to analog signal receiving subsystem 12 and receiver 70, the performance of test receiver 70.
The basic functional principle of analogue signal generating subsystem 10 is following: at transmitting terminal, at first produce the detecting information bit, through ovennodulation and two generating step spread-spectrum signals of spread spectrum.In one implementation, with the detecting information bit carrier wave is modulated earlier, used the frequency spectrum of pseudo random sequence spread signal again.In another kind of implementation, multiply each other (frequency spectrum of extend information) with frequency expansion sequence and information bit earlier, again carrier wave is modulated.
The basic functional principle of analog signal receiving subsystem 12 is following: after receiving terminal receives spread-spectrum signal, recover prime information through despreading and two steps of demodulation.Accordingly; Analog signal receiving subsystem 12 also has two kinds of implementations; One of them is first despreading; Despreading is exactly a receiver to multiply each other with transmitter identical pseudo random sequence of using and the spread-spectrum signal that receives, and also claims correlation reception, and the signal after the despreading promptly recovers the detecting information bit through conventional demodulation again.Another kind of implementation is to carry out demodulation earlier, is carrying out the despreading answer except that the detecting information bit afterwards.
The implementation of analogue signal generating subsystem 10 and analog signal receiving subsystem 12 is corresponding.
Fig. 2, Fig. 3 and Fig. 4, Fig. 5 have disclosed analogue signal generating subsystem 10 and the implementation of analog signal receiving subsystem 12 under two kinds of different configurations respectively.
At first adopt the implementation of modulation earlier, back expansion referring to figs. 2 and 3, analogue signal generating subsystem 10, analog signal receiving subsystem 12 adopts the implementation of first despreading, back demodulation.
With reference to shown in Figure 2, analogue signal generating subsystem 10 comprises:
Test signal generating apparatus 101 generates the detecting information bit.
Modulator 102 is connected to test signal generating apparatus 101, and the detecting information bit is modulated.
With reference to shown in Figure 3, analog signal receiving subsystem 12 comprises:
Despreader 121 is connected to receiver 70, uses the pseudo random sequence identical with frequency multiplier that the detecting information bit that receives is carried out despreading.
Fig. 4 and Fig. 5 have disclosed other a kind of configuration, and analogue signal generating subsystem 10 adopts the implementation of expansion earlier, back modulation, and analog signal receiving subsystem 12 adopts the implementation of first demodulation, back despreading.
With reference to shown in Figure 4, analogue signal generating subsystem 10 comprises:
Test signal generating apparatus 101 generates the detecting information bit.
Modulator 102 is connected to frequency multiplier 103, and the detecting information bit through spread spectrum is modulated.
With reference to shown in Figure 5, analog signal receiving subsystem 12 comprises:
Fig. 6 has disclosed the structure chart of transmitter performance test subsystems of the present invention.This transmitter performance test subsystems 11 comprises peak power testing apparatus 110, PCDE testing apparatus 111, frequency error testing apparatus 112, common pilot channel power accuracy test device 113 and adjacent channel leakage testing apparatus 114.Peak power testing apparatus 110 detects the peak power output of transmitter.PCDE testing apparatus 111 detects the PCDE of transmitter.Frequency error testing apparatus 112 detects the frequency error of transmitter.Common pilot channel power accuracy test device 113 detects the common pilot channel power of transmitter.Adjacent channel leakage testing apparatus 114 detects the adjacent channel leakage ratio of transmitter.
Fig. 7 has disclosed the structure chart of receiver performance test subsystems of the present invention.This receiver performance test subsystems 13 comprises: sensibility testing arrangement 130, dynamic range testing apparatus 131 and up link broadband power testing apparatus 132.Sensibility testing arrangement 130 detects the relative sensitivity and the absolute sensitivity of receiver.Dynamic range testing apparatus 131 detects the dynamic range of receiver.Up link broadband power testing apparatus 132 detects the up link broadband power of receiver.
Base station performance test macro of the present invention can be to the main performance of the transmitter and receiver of base station; Comprise that maximum output, PCDE, frequency error, common pilot channel power precision and adjacent channel leakage ratio, relative sensitivity, dynamic range, up link broadband power (detect with absolute sensitivity, guarantee effective work of base station.
Claims (7)
1. base station performance test macro is connected to the transmitter and receiver of base station, it is characterized in that this base station performance test macro comprises:
The analogue signal generating subsystem is connected to the transmitter of base station, and the analogue signal generating subsystem produces the detecting information bit, through modulate and spread spectrum after launch by transmitter;
The transmitter performance test subsystems is connected to said analogue signal generating subsystem and transmitter, the emitting performance of test receiver;
The analog signal receiving subsystem is connected to the receiver of base station, receives the detecting information bit through modulation and spread spectrum by receiver, after despreading and demodulation, reduces the detecting information bit;
The receiver performance test subsystems is connected to said analog signal receiving subsystem and receiver, the performance of test receiver.
2. base station performance test macro as claimed in claim 1 is characterized in that, said analogue signal generating subsystem comprises:
The test signal generating apparatus generates the detecting information bit;
Modulator is connected to said test signal generating apparatus, and the detecting information bit is modulated;
Frequency multiplier is connected to said modulator, expands the frequency spectrum of modulated detecting information bit with pseudo random sequence.
3. base station performance test macro as claimed in claim 2 is characterized in that, said analog signal receiving subsystem comprises:
Despreader is connected to receiver, uses the pseudo random sequence identical with frequency multiplier that the detecting information bit that receives is carried out despreading;
Demodulator is connected to despreader, and the detecting information bit after the despreading is carried out demodulation.
4. base station performance test macro as claimed in claim 1 is characterized in that, said analogue signal generating subsystem comprises:
The test signal generating apparatus generates the detecting information bit;
Frequency multiplier is connected to said test signal generating apparatus, with the frequency spectrum of pseudo random sequence extend testing information bit;
Modulator is connected to said frequency multiplier, and the detecting information bit through spread spectrum is modulated.
5. base station performance test macro as claimed in claim 4 is characterized in that, said analog signal receiving subsystem comprises:
Demodulator is connected to receiver, and the detecting information bit that receives is carried out demodulation;
Despreader is connected to demodulator, and the detecting information bit after using the pseudo random sequence identical with frequency multiplier to demodulation carries out despreading.
6. like claim 2 or 4 described base station performance test macros, it is characterized in that said transmitter performance test subsystems comprises:
The peak power testing apparatus, the peak power output of detection transmitter;
The PCDE testing apparatus, the PCDE of detection transmitter;
The frequency error testing apparatus, the frequency error of detection transmitter;
The common pilot channel power accuracy test device, the common pilot channel power of detection transmitter;
The adjacent channel leakage testing apparatus, the adjacent channel leakage ratio of detection transmitter.
7. like claim 3 or 5 said base station performance test macros, it is characterized in that said receiver performance test subsystems comprises:
Sensibility testing arrangement, the relative sensitivity and the absolute sensitivity of detection receiver;
The dynamic range testing apparatus, the dynamic range of detection receiver;
Up link broadband power testing apparatus, the up link broadband power of detection receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010250577XA CN102378234A (en) | 2010-08-11 | 2010-08-11 | Testing system for base station performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010250577XA CN102378234A (en) | 2010-08-11 | 2010-08-11 | Testing system for base station performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102378234A true CN102378234A (en) | 2012-03-14 |
Family
ID=45796040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010250577XA Pending CN102378234A (en) | 2010-08-11 | 2010-08-11 | Testing system for base station performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102378234A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199893A (en) * | 2013-04-03 | 2013-07-10 | 国家电网公司 | Low-voltage orthogonal frequency division multiplexing (OFDM) carrier physical layer communication performance detecting system |
| CN107222887A (en) * | 2017-06-19 | 2017-09-29 | 京信通信系统（中国）有限公司 | The communication performance method of testing and device of base station radio side transmission path |
| CN109600824A (en) * | 2019-01-14 | 2019-04-09 | 深圳市华智芯联科技有限公司 | Node address coding method, wireless communication system and the equipment of wireless communication system |
-
2010
- 2010-08-11 CN CN201010250577XA patent/CN102378234A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199893A (en) * | 2013-04-03 | 2013-07-10 | 国家电网公司 | Low-voltage orthogonal frequency division multiplexing (OFDM) carrier physical layer communication performance detecting system |
| CN103199893B (en) * | 2013-04-03 | 2014-10-15 | 国家电网公司 | Low-voltage orthogonal frequency division multiplexing (OFDM) carrier physical layer communication performance detecting system |
| CN107222887A (en) * | 2017-06-19 | 2017-09-29 | 京信通信系统（中国）有限公司 | The communication performance method of testing and device of base station radio side transmission path |
| CN109600824A (en) * | 2019-01-14 | 2019-04-09 | 深圳市华智芯联科技有限公司 | Node address coding method, wireless communication system and the equipment of wireless communication system |
| CN109600824B (en) * | 2019-01-14 | 2019-10-25 | 深圳市华智芯联科技有限公司 | Node address coding method, wireless communication system and the equipment of wireless communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3782012B2 (en) | Support for multi-user detection in the downlink | |
| US7697590B2 (en) | Communicating apparatus and communicating method | |
| US9917661B2 (en) | System and method for test and/or calibration of multi-channel RF communication devices | |
| CN101517942B (en) | Active receiver detection and ranging | |
| CN103458424B (en) | Based on the self-interference removing method that power detection and loop delay calculate | |
| US9614696B2 (en) | Alternating phase filter for increasing communication speeds, spectral efficiency and enabling other benefits | |
| US8300721B2 (en) | Pseudorandom noise code acquisition in direct sequence spread spectrum systems | |
| Xu et al. | From demodulation to decoding: Toward complete lora phy understanding and implementation | |
| WO2005053094A1 (en) | Wideband antenna and receiver calibration | |
| CN104393891A (en) | Communication method for driving frequency spreading/frequency hopping of direct sequence by adopting information | |
| CN102624470A (en) | Real-time calibration method and real-time calibration device for multi-channel transmitter radio frequency response | |
| US20230009403A1 (en) | Method for antenna calibration and active antenna system for use in antenna calibration | |
| CN102378234A (en) | Testing system for base station performance | |
| RU2172070C1 (en) | Device and method for linkage of signals controlling power in mobile communication system | |
| CN104914453B (en) | A kind of multichannel pseudo range measurement device and method based on carrier phase | |
| CN113031032B (en) | Zero-value signal self-closed loop processing method of satellite navigation equipment | |
| US20090184860A1 (en) | E-Band Receiver And Bit Error Measurement | |
| CN103618560B (en) | A kind of underground coal mine spread spectrum precision ranging method synchronous without the need to essence and device | |
| US7933321B2 (en) | Measuring system with a reference signal between a signal generator and a signal analyzer | |
| CN101015156A (en) | Mimo transmitting apparatus, mimo receiving apparatus, and pilot symbol transmission method | |
| CN108494438A (en) | A kind of generation method, generating means and the sending device of hybrid spread spectrum signal | |
| Tabatabaefar et al. | A secure telecommunication link using spread spectrum technique for 5G applications | |
| US8401053B2 (en) | Active RFID apparatus for improving PN code generation | |
| US11483027B2 (en) | Sub-thermal spread spectrum data-link | |
| CN102111185A (en) | Method and system for multi-user all-digital broadband wireless communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |