CN107634809A - A kind of autologous ageing testing method of Remote Radio Unit and system - Google Patents
A kind of autologous ageing testing method of Remote Radio Unit and system Download PDFInfo
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- CN107634809A CN107634809A CN201710830870.5A CN201710830870A CN107634809A CN 107634809 A CN107634809 A CN 107634809A CN 201710830870 A CN201710830870 A CN 201710830870A CN 107634809 A CN107634809 A CN 107634809A
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Abstract
The invention discloses a kind of autologous ageing testing method of Remote Radio Unit and system, set burn-in test pattern that device is set, RRU to be aging and power termination, burn-in test software module is set in RRU to be aging, device is set to set RRU to be aging to enter burn-in test pattern by burn-in test pattern, it is then based on burn-in test software module and performs one clock reference signal of generation, test is loaded into data source file, and produce time slot switching control number, configure AXC data, open radio-frequency channel and Working Status Monitoring task, base band data source data is output to power termination through downlink radio frequency delivery outlet, carry out burn-in test data record, judge RRU burn-in tests by whether.The present invention can realize the batch aging of Remote Radio Unit, using autologous aging techniques, enormously simplify the complexity of Remote Radio Unit ageing system, realize the raising of production capacity, have important market value.
Description
Technical field
The present invention relates to the Remote Radio Unit aging technology of mobile communication technology field, more particularly to a kind of radio frequency to draw
The remote autologous aging method of unit and system.
Background technology
In mobile communication technology field, the Essential Terms of base station system represent to be described as follows：
1st, RRU (Radio Remote Unit) Remote Radio Unit
2nd, BBU (Base Band Unit) baseband processing unit
3rd, LTE (Long Term Evolution) Long Term Evolution plan
4th, TD-LTE (Time Division Long Term Evolution) time-division Long Term Evolution
5th, FDD-LTE (Frequency Division Duplex Long Term Evolution) FDD is long-term
Evolution
6th, eNode B (Evolved NodeB) evolved Node B
7th, IR (Interface between the RRU and the BBU) BBU and RRU interface
8th, E-TM3.1 (Evolved UTRA Test Model 3.1) evolved UTRA test patterns 3.1
9th, AXC (Antenna Carrier) antenna carrier
With the acceleration of 4G LTE network construction, indoor BBU adds the distribution-type base station architecture of outdoor RRU compositions to flow extensively
OK, the networking scale of operator is all quite huge in the equipment of two kinds of standards of TDD-LTE and FDD-LTE, and requires to get over
Carry out faster networking and deliver speed.Huge device requirement amount and networking rate request, the production capacity of equipment vendors is proposed
Rigors, Remote Radio Unit (RRU) as a kind of outdoor equipment, it is necessary to there is a good environmental suitability, it is most
RRU is mounted remotely from the positions such as the roof of computer room, tower top, once breaking down, the event of access type can be carried out near equipment
Barrier investigation and maintenance will be extremely difficult；The purpose of burn-in test is before RRU project installation uses, and RRU is added
The test of electric plus signal, make each module in equipment, each part can pass through operating at full capacity for certain time, equipment dispatch from the factory with
Before, the defects of exposing equipment, so that it is guaranteed that the outgoing of equipment, is reduced after equipment is delivered due to work caused by quality problems
Journey maintenance load.
In the prior art, carrying out RRU agings has two kinds of conventional ways：One kind be build complete eNodeB systems as
Aging platform, BBU and RRU is attached by optical fiber, by BBU IR interfaces to the RRU of multi-stage cascade send data and
Configuration information so that RRU is in the state of signal transmitting so as to carrying out aging.This method, it is limited to BBU resource capacity
(such as BBU IR interface quantities are limited, and optical port speed is limited, and AXC resource impacts are limited etc.) and configuration complexity are (as completely
ENodeB system configuration workloads are huge, it is necessary to related wireless base system professional knowledge etc.), with the raising of RRU production capacities
A considerable amount of BBU are needed to build eNodeB systems to carry out burn-in test, typical products in mass production implements relatively difficult；It is another
To imitate BBU partial function, one base band data transceiver of design comes kind as aging frock by RRU cascade function
RRU agings are realized, the relative method for building complete eNodeB systems of this method improves, but designs base band data
Transceiver can undoubtedly increase workload and increase development cost as frock, the optical fiber used during burn-in test, optical transceiver module
Input cost Deng easy consume resource is also quite huge.
The content of the invention
It is an object of the invention to provide a kind of technical scheme of the autologous aging of Remote Radio Unit, it is intended to reduces remote radio
The complexity of units age test system, break production capacity " bottleneck ", on the basis of hardware cost is not increased, utilize remote radio
Unit own resource, appropriate optional configuration design is equipped with, realizes the autologous burn-in test of batch of Remote Radio Unit.
The technical scheme is that providing a kind of Remote Radio Unit autologous ageing testing method, burn-in test mould is set
Formula sets device, RRU to be aging and power termination, sets burn-in test software module in RRU to be aging, RRU is remote radio
Unit；RRU connections power termination to be aging, burn-in test pattern set device access RRU to be aging debugging serial ports；
Set device to set RRU to be aging to enter burn-in test pattern by burn-in test pattern, be then based on aging survey
Try software module and perform following processing,
Detection judges whether RRU to be aging enters burn-in test pattern；
After RRU enters burn-in test pattern by burn-in test mode setting unit, a clock reference signal is produced
Clock chip to RRU veneers, there is provided work clock；
The data that test is loaded into RRU to be aging with data source file from RRU to be aging flash memories send mould
Block, and time slot switch-over control signal is produced according to the data source types information of loading；
After data source generation, RRU to be aging correlation module is initialized, then configures AXC data, is opened
Radio-frequency channel and Working Status Monitoring task, base band data source data is output to power through downlink radio frequency delivery outlet and born
Carry, carry out burn-in test data record；
The data message recorded according to burn-in test, count the power information of RRU burn-in tests, state monitoring information and shape
State warning information, comprehensive descision RRU burn-in tests by whether, and support by the export aging of RRU to be aging debugging serial interface
Test record.
Moreover, burn-in test pattern sets device to be realized using RJ45 connectors.
Calculation machine is adjusted moreover, setting, adjusts calculation machine to connect RRU to be aging debugging serial interface, by RRU aging
Test data and test result lead to debugging serial interface and export to tune calculation machine, and the storage for test data is analyzed.
Moreover, when 3 power information of burn-in test, state monitoring information and state warning information conditions all meet,
Judge that RRU burn-in tests pass through.
Moreover, carry out batch aging test for RRU to be aging to more.
The present invention also provides a kind of Remote Radio Unit autologous aging testing system, including burn-in test pattern sets dress
Put, RRU to be aging and power termination, burn-in test software module is set in RRU to be aging, and RRU is Remote Radio Unit；Treat old
Change RRU connection power terminations；
Burn-in test pattern sets device, and for setting RRU to be aging to enter burn-in test pattern, burn-in test pattern is set
Put the debugging serial ports that device accesses RRU to be aging；
The burn-in test software module include burn-in test mode setting unit, clock generating unit, data source and when
Gap generation unit, burn-in test data record unit and ageing test result identifying unit；
Burn-in test mode setting unit, judge whether RRU to be aging enters burn-in test pattern for detecting；
Clock generating unit, for after RRU enters burn-in test pattern by burn-in test mode setting unit, producing
Clock chip of one clock reference signal to RRU veneers, there is provided work clock；
Data source and time slot generation unit, for test data source file to be carried from RRU to be aging flash memories
Enter the data transmission blocks to RRU to be aging, and time slot switch-over control signal is produced according to the data source types information of loading；
Burn-in test data record unit, after being produced in data source, RRU to be aging correlation module is carried out just
Beginningization, AXC data are then configured, radio-frequency channel and Working Status Monitoring task are opened, by base band data source data through descending chain
Road radio frequency delivery outlet is output to power termination, carries out burn-in test data record；
Ageing test result identifying unit, for the data message recorded according to burn-in test, count RRU burn-in tests
Power information, state monitoring information and state warning information, comprehensive descision RRU burn-in tests by whether, and support by treating
Aging RRU debugging serial interface export burn-in test record.
Moreover, burn-in test pattern sets device to be realized using RJ45 connectors.
Calculation machine is adjusted moreover, setting, adjusts calculation machine to connect RRU to be aging debugging serial interface, by RRU aging
Test data and test result lead to debugging serial interface and export to tune calculation machine, and the storage for test data is analyzed.
Moreover, when 3 power information of burn-in test, state monitoring information and state warning information conditions all meet,
Judge that RRU burn-in tests pass through.
Moreover, when carrying out batch aging test to more RRU to be aging, dress is set only with a burn-in test pattern
Put, set each RRU to be aging to enter burn-in test pattern in turn.
The present invention utilizes equipment itself part, is equipped with appropriate optional configuration design, enormously simplify remote radio list
The complexity of first aging testing system, can solve conventional radio frequency extension unit aging on the basis of hardware cost is not increased
Test system framework is complicated, production capacity " bottleneck " caused by reason such as testing cost height.The present invention have it is following the advantages of and actively
Effect：
1st, the batch aging of Remote Radio Unit can be realized, using the method for autologous aging, enormously simplify radio frequency drawing
The complexity of remote units age system, without increasing other subtest resource, it is only necessary to using inside Remote Radio Unit
There is resource, increase the raising that production capacity can be achieved in a small amount of Computer Aided Design, there is important market value；
2nd, can be used with simple realization different systems, different frequency range, the mixed connection aging of different port number Remote Radio Unit
Autologous aging scheme, operate, do not limit while the Remote Radio Unit quantity of aging independent of external testing platform and configuration.
Brief description of the drawings
Fig. 1 is the autologous aging testing system entire block diagram of Remote Radio Unit of the embodiment of the present invention.
Fig. 2 is the autologous ageing testing method workflow diagram of Remote Radio Unit of the embodiment of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Referring to Fig. 1, system that the embodiment of the present invention proposes a kind of autologous aging of Remote Radio Unit, including burn-in test
Pattern sets device, RRU to be aging, power termination, burn-in test software module is set in RRU to be aging.Further, may be used also
Calculation machine is adjusted to set, adjusts calculation machine connection RRU debugging serial interface.It can use and adjust calculation machine, by RRU's
Burn-in test data and test result export to tune calculation machine by RRU debugging serial interface, the storage for test data
Analysis.
It is external tool that burn-in test pattern, which sets device, and preferred embodiment is by the RJ45 connectors of a standard
The short circuit of inner pin 7,8, insert in RRU debugging serial ports to be aging, for setting RRU to be aging to enter burn-in test pattern.
RRU startups to be aging need RRU prevention at radio-frequency port with standard radio frequency power termination being one by one connected before sending signal.
RRU abbreviations RRU to be aging below.
The burn-in test software module of technical solution of the present invention includes burn-in test mode setting unit, and clock produces single
Member, data source and time slot generation unit, burn-in test data record unit and ageing test result identifying unit.Specific implementation
When, burn-in test software module can use software mode to realize, modular mode can also be used to realize.
1, burn-in test mode setting unit, for a part of burn-in test software module, external weathering test
After pattern sets device to insert RRU debugging serial ports, a RRU input pin can will be connected from the high level state of acquiescence
(normal mode of operation) is pulled down to low level state, and burn-in test mode setting unit detects the level state of this pin, as
Judge whether RRU enters the foundation of burn-in test pattern, when RRU starts, detect that high level is then judged as normal mode of operation,
Detect that low level then judges to enter burn-in test pattern.
2, clock generating unit, for after RRU enters burn-in test pattern by burn-in test mode setting unit, grasping
Make interface FPGA (Field Programmable Gate Array, field programmable gate array) frequency multiplication inside RRU and produce one
Clock chip of the individual clock reference signal to RRU veneers, clock chip produce each device need of work inside RRU it is a variety of when
Clock, such as ADC (analog-digital converter), DAC (digital analog converter), the work clock of local oscillator device, obtain each when needing inside RRU
Clock driving device can normal work get up.
3, data source and time slot generation unit, after each component working gets up inside RRU, according to the systems of RRU in itself
The information such as formula, frequency range, full power will accordingly test and be loaded into RRU DDR from RRU flash memories with E-TM3.1 data source files
SDRAM (Double Data Rate synchronous DRAM) data transmission blocks, and according to the data source types information (system of loading
Formula, time slot proportion etc.) produce time slot switch-over control signal；
4, burn-in test data record unit, after being produced in data source, RRU correlation modules are initialized,
The module for needing to initialize includes frequency setting module, link gain setup module, data signal switch module, then configures
AXC data, radio-frequency channel and Working Status Monitoring task are opened, base band data source data is defeated through downlink radio frequency delivery outlet
Go out to power termination, carry out burn-in test data record；
5, the data message that ageing test result identifying unit records according to burn-in test, whether statistics critical power ratio is in threshold
It is worth in threshold range, if having a warning information, the conditions such as whether equipment running status are normal, integrate as judging this
RRU burn-in tests can be exported burn-in test by RRU to be aging debugging serial interface and be recorded by whether foundation.
Based on system above, the course of work is：
Burn-in test pattern sets device to set Remote Radio Unit to debug the vacant pin level shape on serial port connector
State is low, and as the foundation judged whether into burn-in test pattern, Remote Radio Unit software systems read this electricity after starting
Flat state, low level is found to be, then into burn-in test pattern.
Into after burn-in test pattern, Remote Radio Unit internal programmable logic array produces reference clock, during configuration
Clock chip, Remote Radio Unit internal components plate level work clock is produced, and will be corresponding according to the standard and bandwidth information of itself
The test data sources of E-TM 3.1 be loaded into hair digital-to-analogue block.
The AXC acquisition of information base band according to corresponding to Remote Radio Unit standard and bandwidth information automatically configure each channel carrier
Data source data, base band data source data is output to power termination, burn-in test pattern work through downlink radio frequency delivery outlet
After work, Remote Radio Unit is periodically inquired about in the form of journal file records and records the pass of each passage of Remote Radio Unit
Key power information, monitor state information, alarm status information etc., form burn-in test data record.
After aging terminates, according to burn-in test record data as the foundation for judging aging success or not, and export to penetrate
The burn-in test record data of frequency extension unit Serial No. title.
A kind of method of the autologous burn-in test of Remote Radio Unit provided by the invention, workflow is as shown in Fig. 2 implement
For example using RRU device to be aging as CHINAUNICOM's D frequency ranges (2535M-2555M Hz), standard is TD-LTE standards, and radio frequency output is full
Power is 46dBm, and port number is 2 passage RRU devices, exemplified by illustrate, specifically comprise the following steps：
Step 1, device is set to insert RRU debugging serial ports, software aging during RRU electrifying startups burn-in test pattern
Test pattern setting unit can detect the low and high level state of 1 unused pin in debugging serial port connector, and non-setting aging is surveyed
Under the normal operation of die trial formula, this level is high level, and RRU directly skips follow-up burn-in test step, performs normal fortune
Row state, it is low level (external weathering test device drags down this level short) such as to detect this level, then RRU enters aging
Test pattern, start to start follow-up burn-in test mode of operation step；
Step 2, RRU to be aging is arranged to burn-in test pattern, then produces single into aging operational mode state, clock
Interface FPGA (Field Programmable Gate Array, field programmable gate array) frequency multiplication production inside atom operation RRU
Clock chip of the raw 61.44MHz clock reference signal to RRU veneers, clock chip is on the basis of this reference signal, production
The multiple clock frequency of each device need of work inside raw RRU so that each inside RRU to need clock-driven device be
Normal work is got up under same reference clock, so as to support to complete the initial configuration work of RRU internal modules；
Step 3, data source and time slot generation unit will be tested accordingly according to information such as RRU itself standards, frequency range, full powers
Read with the data sources of E-TM 3.1 in FLASH memory inside the RRU and be loaded into RRU DDR (Double Data Rate synchronous dynamic with
Machine memory) sending module, and time slot switching control is produced according to the data source types information (standard, time slot proportion etc.) of loading
Signal.With reference to this specific embodiment, it should choose TDD standards, 20M Hz bandwidth, 3:The test sources of E-TM 3.1 of 8 time slot proportions
It is loaded into DDR modules.
Step 4, burn-in test data record unit, after data source generation, RRU correlation modules are initialized,
Then the information such as standard, bandwidth supported according to RRU, is initially configured AXC, opens downlink, feedback link, up-link,
DDR data source sending modules are opened, burn-in test brings into operation.With reference to this specific embodiment, it is necessary to configure RRU antennas 1 from
AXC0~7 obtain data, and configuration antenna 2 obtains data, the up-downgoing of 2 passages of opening and feedback link from AXC 8~15, opened
Beginning burn-in test；
Step 5, after burn-in test pattern is started working, with RRU device Serial No. title generation burn-in test record text
Part, burn-in test logger task is periodically by the data-source digital power received, RRU antenna openings power output, feedback link
State monitoring information and the standing-wave ratio such as the RRU such as the digital power on road power informations and equipment running status, cpu resource usage amount
The state warning information such as alarm, temperature warning, channel gain fault warning are stored in the burn-in test note of RRU internal file systems
Record on file.Burn-in test logger task periodically records the survey such as RRU power information, state monitoring information, warning information
Information is tried to burn-in test log file, is easy to ageing test result to judge the archive management with burn-in test log file；
Step 6, after burn-in test, sentencing for this burn-in test success or not is carried out according to the information that burn-in test records
It is fixed, specify ageing test result.With reference to this specific embodiment, it is necessary to judge antenna opening data-source digital power -14.0 ±
Between 1.0dBfs, RRU antenna opening power outputs between 46 ± 1.5dBm, the digital power of feedback link -17.0 ±
Between 2.0dBfs.If 3 power information conditions all meet that the power information condition of RRU burn-in tests passes through above；
Likewise, also need to meet state monitoring information condition without exception, state warning information no alarm condition.Only RRU agings are surveyed
The power information of examination, 3 conditions of state monitoring information and state warning information all meet, just can determine that this RRU burn-in test
By specifying ageing test result；Burn-in test log file and test result can be exported by network interface, for burn-in test
The file record of data；
Step 7, so far, the autologous burn-in test work of RRU is fully completed.
Technical scheme is not required to increase other subtest resource, independent of external testing platform and configuration
Operation, it is therefore particularly suited for realizing the batch aging of Remote Radio Unit, improves production capacity.Burn-in test mould proposed by the present invention
Formula, which is set, only to be needed to set it to use when entering burn-in test pattern in startup RRU, therefore only needs a burn-in test pattern to set
Device is put, sets each RRU to be aging to enter burn-in test pattern in turn, further saves cost.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences for not running counter to the present invention with made under principle change, modification, replacement, combine, simplify it is equal
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
- A kind of 1. autologous ageing testing method of Remote Radio Unit, it is characterised in that：Set burn-in test pattern that device is set, treated Aging RRU and power termination, burn-in test software module is set, and RRU is Remote Radio Unit in RRU to be aging；RRU to be aging Power termination is connected, burn-in test pattern sets device access RRU to be aging debugging serial ports；Set device to set RRU to be aging to enter burn-in test pattern by burn-in test pattern, it is soft to be then based on burn-in test Part module performs following processing,Detection judges whether RRU to be aging enters burn-in test pattern；After RRU enters burn-in test pattern by burn-in test mode setting unit, a clock reference signal is produced to RRU The clock chip of veneer, there is provided work clock；Test is loaded into RRU to be aging data transmission blocks with data source file from RRU to be aging flash memories, and Time slot switch-over control signal is produced according to the data source types information of loading；After data source generation, RRU to be aging correlation module is initialized, then configures AXC data, opens radio frequency Passage and Working Status Monitoring task, base band data source data is output to power termination through downlink radio frequency delivery outlet, entered Row burn-in test data record；The data message recorded according to burn-in test, counts the power information of RRU burn-in tests, and state monitoring information and state are accused Alert information, comprehensive descision RRU burn-in tests by whether, and support to export burn-in test by RRU to be aging debugging serial interface Record.
- 2. the autologous ageing testing method of Remote Radio Unit according to claim 1, it is characterised in that：Burn-in test pattern is set Device is put to realize using RJ45 connectors.
- 3. the autologous ageing testing method of Remote Radio Unit according to claim 1, it is characterised in that：Set and adjust measuring and calculation Machine, calculation machine is adjusted to connect RRU to be aging debugging serial interface, by the logical debugging net of RRU burn-in test data and test result Mouth exports to tune calculation machine, and the storage for test data is analyzed.
- 4. according to the autologous ageing testing method of Remote Radio Unit of claim 1 or 2 or 3, it is characterised in that：When aging is surveyed 3 power information, state monitoring information and state warning information conditions of examination all meet, judge that RRU burn-in tests pass through.
- 5. according to the autologous ageing testing method of Remote Radio Unit of claim 1 or 2 or 3, it is characterised in that：For to more Platform RRU to be aging carries out batch aging test.
- A kind of 6. autologous aging testing system of Remote Radio Unit, it is characterised in that：Device is set including burn-in test pattern, treated Aging RRU and power termination, burn-in test software module is set, and RRU is Remote Radio Unit in RRU to be aging；RRU to be aging Connect power termination；Burn-in test pattern sets device, and for setting RRU to be aging to enter burn-in test pattern, burn-in test pattern sets dress Put the debugging serial ports for accessing RRU to be aging；The burn-in test software module includes burn-in test mode setting unit, clock generating unit, data source and time slot life Into unit, burn-in test data record unit and ageing test result identifying unit；Burn-in test mode setting unit, judge whether RRU to be aging enters burn-in test pattern for detecting；Clock generating unit, for after RRU enters burn-in test pattern by burn-in test mode setting unit, producing one Clock chip of the clock reference signal to RRU veneers, there is provided work clock；Data source and time slot generation unit, for test to be loaded into data source file from RRU to be aging flash memories RRU to be aging data transmission blocks, and time slot switch-over control signal is produced according to the data source types information of loading；Burn-in test data record unit, after being produced in data source, RRU to be aging correlation module is carried out initial Change, then configure AXC data, radio-frequency channel and Working Status Monitoring task are opened, by base band data source data through downlink Radio frequency delivery outlet is output to power termination, carries out burn-in test data record；Ageing test result identifying unit, for the data message recorded according to burn-in test, the power of statistics RRU burn-in tests Information, state monitoring information and state warning information, comprehensive descision RRU burn-in tests by whether, and support by be aging RRU debugging serial interface export burn-in test record.
- 7. the autologous aging testing system of Remote Radio Unit according to claim 6, it is characterised in that：Burn-in test pattern is set Device is put to realize using RJ45 connectors.
- 8. the autologous aging testing system of Remote Radio Unit according to claim 6, it is characterised in that：Set and adjust measuring and calculation Machine, calculation machine is adjusted to connect RRU to be aging debugging serial interface, by the logical debugging net of RRU burn-in test data and test result Mouth exports to tune calculation machine, and the storage for test data is analyzed.
- 9. according to the autologous aging testing system of Remote Radio Unit of claim 6 or 7 or 8, it is characterised in that：When aging is surveyed 3 power information, state monitoring information and state warning information conditions of examination all meet, judge that RRU burn-in tests pass through.
- 10. according to the autologous aging testing system of Remote Radio Unit of claim 6 or 7 or 8, it is characterised in that：When to more When platform RRU to be aging carries out batch aging test, device is set only with a burn-in test pattern, set in turn each to be aging RRU enters burn-in test pattern.
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| CN111371514B (en) * | 2018-12-26 | 2022-06-07 | 上海原动力通信科技有限公司 | Load device and system for aging test of base station radio frequency channel |
| CN111427732A (en) * | 2020-03-12 | 2020-07-17 | 东莞市金锐显数码科技有限公司 | Aging test method, aging test device, terminal and computer-readable storage medium |
| CN113726456A (en) * | 2020-05-26 | 2021-11-30 | 大唐移动通信设备有限公司 | Detection method of radio remote unit and radio remote unit |
| CN113125938A (en) * | 2021-03-17 | 2021-07-16 | 东莞市金锐显数码科技有限公司 | Aging test monitoring method and system |
| CN113125938B (en) * | 2021-03-17 | 2024-04-02 | 东莞市金锐显数码科技有限公司 | Aging test monitoring method and system |
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