CN106507462A - A kind of detection method of radio frequency remote unit RRU descending power and device - Google Patents
A kind of detection method of radio frequency remote unit RRU descending power and device Download PDFInfo
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- CN106507462A CN106507462A CN201510564843.9A CN201510564843A CN106507462A CN 106507462 A CN106507462 A CN 106507462A CN 201510564843 A CN201510564843 A CN 201510564843A CN 106507462 A CN106507462 A CN 106507462A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/143—Downlink power control
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Abstract
A kind of detection method of radio frequency remote unit RRU descending power and device is embodiments provided, there is the radio frequency remote unit RRU passage for being used for carrying out radio communication, methods described to include：Obtain the descending power of each passage；The average descending power that each passage is obtained respectively using the descending power of each passage；Obtain the link real-time gain of the radio frequency remote unit RRU；Average descending power and the descending power of the link real-time gain acquisition radio frequency remote unit RRU using each passage.Descending power of the embodiment of the present invention in order to real reflection equipment comprehensively.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of radio frequency remote unit RRU
The detection method of descending power and a kind of detection means of radio frequency remote unit RRU descending power.
Background technology
As the consciousness of energy-saving and emission-reduction increasingly gos deep into the every aspect of people's life, for the energy of equipment
Consumption, is also increasingly valued by the people.By counting the descending power of equipment, user can be allowed
The ruuning situation of RRU (Remote Radio Unit, remote radio unit (RRU)) these equipment is solved, from
And user can adjusting device configuration parameter in time, solve potential problems.
Equipment in a wireless communication system is communicated using radio frames.With reference to shown in Fig. 1 one
The schematic diagram of wireless frame structure is planted, field of the radio frames by two length for 5ms is constituted, each
Field is made up of for the subframe (Subframe) of 1ms 5 length, subframe include conventional subframe with
Special subframe, wherein, time slot of the conventional subframe by two length for 0.5ms is constituted, and total length is
1ms, special subframe is by three special time slot DwPTS (descending pilot frequency time slot, 96chips), GP
(protection time slot, 96chips) and UpPTS (descending pilot frequency time slot, 160chips) are constituted, always
Length is 1ms.Switching point are switching point.At present, in existing document not to descending work(
Rate is described in detail, so the descending power statistical project of main flow is predominantly following several：
Scheme one：Training sequence using the rated power sent in GP, will used as virtual pilot frequency
The radiofrequency signal of the delivery outlet of PA (Power Amplifier, power amplifier) is coupled, decays to conjunction
Suitable performance number, by ADC (Analog to Digital Converter, analog-digital converter)
FPGA (Field Programmable Gate Array, field programmable gate array) is arrived in sampling output,
FPGA counts the descending power value of numeric field.Software reads the statistics descending power value in FPGA,
The real-time gain of OPD (Output Power Detector, output are detected) link is added, instead
Push back the actual downstream power realization that RRU eats dishes without rice or wine.LTE (Long Term Evolution,
Long Term Evolution) in, the descending power value for obtaining can only reflect the situation of link, it is impossible to which reflection is eated dishes without rice or wine
Real descending power.
Scheme two：The pilot power sent in DwPTS using detection, by the radio frequency of PA delivery outlets
Signal is coupled, decays to suitable performance number, arrives FPGA, FPGA by ADC sampling outputs
Count the descending power value of numeric field.Software reads the statistics descending power value in FPGA, then
Plus the real-time gain of OPD links, counter push back what the actual downstream power that RRU eats dishes without rice or wine was realized.
In TD-SCDMA (Time Division-Synchronization Code Division Multiple
Access, the code division multiple access system of time division synchronous) in, the descending power for obtaining also is DwPTS
Power, and the power of DwPTS cell foundation after just secure, will not be with portfolio
Change and change, so comparison is unilateral, it is impossible to reflect the power of whole subframe, cannot more reflect sky
The real descending power of mouth.
The either descending power detection scheme of operational version one or scheme two, or other are existing
Have a scheme, all simply unilateral reflect the descending power that RRU eats dishes without rice or wine, and cannot be comprehensively real
The descending power that reflection RRU eats dishes without rice or wine.Therefore, those skilled in the art's problem in the urgent need to address
One of be, propose a kind of inspection policies of descending power, in order to real reflection equipment comprehensively
Descending power.
Content of the invention
Embodiment of the present invention technical problem to be solved there is provided a kind of radio frequency remote unit RRU
The detection method of descending power and a kind of detection means of radio frequency remote unit RRU descending power.
In order to solve the above problems, the invention discloses a kind of radio frequency remote unit RRU descending power
Detection method, the radio frequency remote unit RRU has for carrying out the passage of radio communication, institute
The method that states includes：
Obtain the descending power of each passage；
The average descending power that each passage is obtained respectively using the descending power of each passage；
Obtain the link real-time gain of the radio frequency remote unit RRU；
Obtain the radio frequency and draw using the average descending power and link real-time gain of each passage
The descending power of remote unit R RU.
Preferably, the passage is configured with corresponding time slot by baseband processing unit BBU, described penetrates
Frequency extension unit RRU includes depositor and intervalometer, the depositor be stored with passage time slot under
Row power；
The step of descending power of each passage of acquisition, includes：
From the depositor, after the intervalometer expires, obtain the descending work(of time slot of each passage
Rate；
Time slot descending power by the time slot descending power of each passage and each first passage
Added up, obtained the descending power of each passage.
Preferably, the time slot descending power is the descending work(of time slot counted according to default measurement period
The step of rate, descending power of each passage of acquisition, includes：
Judge that the task of whether having high priority on the passage is currently running；
If so, then will be all according to default statistics for upper one for the time slot descending power statistics of the passage
The time slot descending power of phase statistics, and trigger the radio frequency remote unit RRU next one channel slot
The statistics of descending power.
Preferably, the descending power of the employing passage obtains the average descending power of each passage
Step includes：
The number of times that each passage under according to default measurement period count time slot descending power is obtained respectively；
The descending power and the number of times of each passage is respectively adopted, each passage is obtained
Average descending power.
Preferably, it is stored with the radio frequency remote unit RRU by baseband processing unit BBU
The cell information of configuration, described obtain each passage descending power the step of before, also include：
Judge on the passage, whether have cell to set up using the cell information；
If so, the step of then executing the descending power for obtaining each passage；
If it is not, then removing the time slot descending power of the passage stored in the depositor.
Preferably, methods described also includes：
When the radio frequency remote unit RRU accesses the baseband processing unit BBU again, clearly
Time slot descending power except the passage of storage in the depositor.
Preferably, the cell includes timesharing Long Term Evolution TDL cells and TD SDMA
TDS cells, described method also include：
If be simultaneously configured with the radio frequency remote unit RRU timesharing Long Term Evolution TDL cells and
TD SDMA TDS cells, then adopt the timesharing Long Term Evolution TDL cells.
Preferably, the task of the high priority includes：Output detection OPD, reflection power
Detection RPD, the process DPD of digital pre-distortion；The link real-time gain includes that FPGA is counted
Power, mainboard gain, power amplifier gain, filter gain.
The embodiment of the invention also discloses a kind of detection dress of radio frequency remote unit RRU descending power
Put, the radio frequency remote unit RRU has the passage for being used for carrying out radio communication, described device
Including：
Descending power acquisition module, for obtaining the descending power of each passage；
Average descending power obtains module, for being obtained using the descending power of each passage respectively
Obtain the average descending power of each passage；
Link real-time gain acquisition module, for obtaining the link reality of the radio frequency remote unit RRU
Shi Zengyi；
RRU descending powers obtain module, for adopt each passage average descending power and
Link real-time gain obtains the descending power of the radio frequency remote unit RRU.
Preferably, the passage is configured with corresponding time slot by baseband processing unit BBU, described penetrates
Frequency extension unit RRU includes depositor and intervalometer, the depositor be stored with passage time slot under
Row power；The descending power acquisition module includes：
Time slot descending power acquisition submodule, for after the intervalometer expires, from the deposit
The time slot descending power of each passage is obtained in device；
Passage descending power obtain submodule, for the time slot descending power by each passage with
The time slot descending power of each first passage is added up, and obtains the descending power of each passage.
Preferably, the time slot descending power is the descending work(of time slot counted according to default measurement period
Rate, the descending power acquisition module include：
Task priority judging submodule, for judging whether there be appointing for high priority on the passage
Business is currently running；If so, descending power is then called to update submodule；
Passage descending power updates submodule, for the time slot descending power statistics by the passage is
The upper one time slot descending power counted according to default measurement period, and trigger the remote radio list
The statistics of first RRU next ones channel slot descending power.
Preferably, the average descending power obtains module and includes：
Statistics number submodule, count according to default measurement period under each passage for obtaining respectively
The number of times of time slot descending power；
Average descending power calculating sub module, for be respectively adopted the passage descending power and
The number of times, obtains the average descending power of each passage.
Preferably, it is stored with the radio frequency remote unit RRU by baseband processing unit BBU
The cell information of configuration, described device also include：
Cell sets up judge module, for judging whether have on the passage using the cell information
Cell is set up；If so, descending power acquisition module is then called；If it is not, then calling the first depositor
Remove module；
Module removed by first depositor, for removing under the passage stored in the depositor
Row power.
Preferably, described device also includes：
Module removed by second depositor, described in being accessed when the radio frequency remote unit RRU again
During baseband processing unit BBU, the descending work(of the time slot of the passage of storage in the removing depositor
Rate.
Preferably, the cell includes timesharing Long Term Evolution TDL cells and TD SDMA
TDS cells, described device also include：
Cell information determining module, if for being configured with the radio frequency remote unit RRU point simultaneously
When Long Term Evolution TDL cells and TD SDMA TDS cells, then long using the timesharing
Phase evolution TDL cells.
Compared with prior art, the embodiment of the present invention includes advantages below：
The descending power of each passage of statistics radio frequency remote unit RRU in the embodiment of the present invention, and adopt
The average descending power of passage is obtained with the descending power of each passage, finally according to the average of passage
Descending power and link real-time gain obtain the descending power of eating dishes without rice or wine of radio frequency remote unit RRU.This
The descending power of each passage has been counted in inventive embodiments, is then overlapped and is obtained the flat of passage
Descending power, due to including the power of descending time slot in the descending power of passage, obtained
Power is comparatively close to real descending power, more comprehensively real can reflect remote radio list
The descending power of first RRU.The descending power of the passage that the embodiment of the present invention can be detected with basis,
And the descending power of eating dishes without rice or wine of radio frequency remote unit RRU is analyzed, to solve the drawing of single antenna radio frequency
Remote unit R RU and the channel failure test problems of multiple antennas radio frequency remote unit RRU.
In the embodiment of the present invention, if the task of running into high priority is currently running, now stop
Carry out the statistics of the descending power of passage under default measurement period, and upper one will preset measurement period
The descending power of lower statistics can avoid Gao You as the descending power of the passage in current statistic cycle
First level task, such as output detection OPD these needs to send the Complicated Flows such as training sequence
Task, saves these flow processs system resource to be taken, and more can reflect intuitively and clearly
The running status of radio frequency remote unit RRU.
Description of the drawings
Fig. 1 is a kind of schematic diagram of wireless frame structure；
Fig. 2 is a kind of detection method embodiment of radio frequency remote unit RRU descending power of the present invention
The step of flow chart；
Fig. 3 is a kind of TD SDMA TDS data of the invention storage in a register
The schematic diagram of order；
Fig. 4 is a kind of timesharing Long Term Evolution TDL data of the invention storage order in a register
Schematic diagram；
Fig. 5 is that a kind of process of the detection of radio frequency remote unit RRU descending power of the present invention is illustrated
Figure；
Fig. 6 is a kind of detection means embodiment of radio frequency remote unit RRU descending power of the present invention
Structured flowchart.
Specific embodiment
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, with reference to
The present invention is further detailed explanation for the drawings and specific embodiments.
With reference to Fig. 2, a kind of detection of radio frequency remote unit RRU descending power of the present invention is shown
The step of embodiment of the method flow chart, state radio frequency remote unit RRU can have wireless for carrying out
The passage of communication, specifically may include steps of：
Step 101, obtains the descending power of each passage；
In implementing, radio frequency remote unit RRU can include one or many with passage, radio frequency
Extension unit RRU can carry out radio communication using radio frames using passage.Wherein, under radio frames
Subframe can be included, time slot under subframe, can be included.
In one preferred embodiment of the invention, the passage is configured by baseband processing unit BBU
There are corresponding time slot, the radio frequency remote unit RRU to include depositor and intervalometer, the deposit
Device is stored with the time slot descending power of passage；The step 101 can include following sub-step：
Sub-step S11, after the intervalometer expires, obtains each passage from the depositor
Time slot descending power；
Sub-step S13, by the time slot descending power of each passage and each first passage when
Gap descending power is added up, and obtains the descending power of each passage.
In embodiments of the present invention, the hardware of radio frequency remote unit RRU enters to the descending power of passage
Row real-time detection, but only after the trigger for receiving software, by current preset measurement period
Testing result is stored in depositor.
After the intervalometer of radio frequency remote unit RRU expires, radio frequency remote unit RRU is received
Start software after software trigger signal, start afterwards Remote Radio Unit to be carried out according to predetermined period
The statistics of the descending power of the upper every passage of RRU.Such as, predetermined period can be set as 30s, then
The descending power for counting every passage in radio frequency remote unit RRU will be triggered as the cycle with 30s.
In embodiments of the present invention, in order to improve the accuracy of downlink business power statistic, can be by
The default measurement period of the descending power of passage is set as 3S, calculates the average work(of the downlink business in 3S
Rate.In order to improve software efficiency, using FPGA, (Field Programmable Gate Array show
Field programmable gate array) method of taking asynchronous reading,.
The embodiment of the present invention after each intervalometer expires, channel number according to passage to be inquired about,
The information such as time slot, frequency, read the descending power counted under the default measurement period of the passage.Ginseng
A kind of TD SDMA TDS data depositing in a register according to the present invention shown in Fig. 3
The schematic diagram of storage order, and a kind of timesharing Long Term Evolution TDL data of the present invention shown in Fig. 4
The schematic diagram of storage order in a register, in embodiments of the present invention, can be by according to default
Measurement period, for example, be respectively present according to each time slot descending power that 3s is cycle statistics different
Address, triggering FPGA statistics remove the whole time slot descending powers of passage, specifically according to base band at
The configuration proportioning of the time slot of reason unit B BU configuration, finds the descending time slot and special subframe in time slot
Descender in time slot is counted.
In one preferred embodiment of the invention, the time slot descending power can be according to default
The time slot descending power of measurement period statistics, the step 101 can also include following sub-step：
Sub-step S11-1, judges that the task of whether having high priority on the passage is currently running；If
It is then to execute sub-step S11-2；
Sub-step S11-2, then count as upper one the time slot descending power of the passage according to default
The time slot descending power of measurement period statistics, and it is next logical to trigger the radio frequency remote unit RRU
The statistics of road time slot descending power.
In implementing, according to default measurement period count passage time slot descending power when, have
When be possible to run into and be carrying out on the passage of radio frequency remote unit RRU, or touch
The task of executing some high priorities is sent out, (Digital Pre-Distortion, numeral are pre- for such as DPD
Distortion), OPD (Output Power Detector, output are detected) and RPD (Return Power
Detector, reflection power are detected) these tasks, now, output detects these tasks of OPD
Need to send the Complicated Flow such as training sequence, in embodiments of the present invention in order to save these flow process institutes
System resource to be taken, the time slot of the passage that can be counted on using upper one default measurement period are descending
Power, as the time slot descending power of the passage in this default measurement period, and triggers remote radio
The inquiry of the time slot descending power of next passage of unit R RU.
In the embodiment of the present invention, counted by triggering automatically the time slot descending power of next passage,
Can ensure that when arriving in the next cycle, FPGA has been counted on needs next of inquiry to lead to
The time slot descending power in road, so that improve treatment effeciency.
In embodiments of the present invention, the maximum power value of the passage for counting at present can also be carried out
Record, for follow-up for the analyzing and processing of radio frequency remote unit RRU.
Step 102, the average descending power that each passage is obtained using the descending power of the passage；
In one preferred embodiment of the invention, the step 102 can include following sub-step：
Sub-step S21, is obtained under each passage respectively according to the descending work(of default measurement period statistics time slot
The number of times of rate；
Sub-step S22, is respectively adopted the descending power and the number of times of each passage, obtains
The average descending power of each passage.
In embodiments of the present invention, the passage of radio frequency remote unit RRU is counted on each default system
The time slot descending power of the passage in meter cycle is overlapped, then again divided by according to default measurement period
Enter the number of times of the time slot descending power statistics of row of channels, so as to obtain the average descending power of the passage.
In the example of concrete application of the present invention, each antenna for radio frequency remote unit RRU,
Each carrier wave, the descending power of all subframes in default measurement period is added divided by number of sub frames,
A smooth descent power is calculated, because which includes the power of all descending time slots, institute
The descending power for obtaining is comparatively close to real descending power.
In embodiments of the present invention, using radio frequency remote unit RRU hardware in DAC
Before (Digital-to-Analog Converter, digital analog converter) module, for each antenna,
Each carrier wave, according to default measurement period (such as 3 seconds), under detecting in 3s in all radio frames
The power calculation of row time slot obtains the average descending power of a smooth passage, and obtained is average
Descending power is close to real descending power.
In implementing, the passage of radio frequency remote unit RRU can include TDS
(Time Division-Synchronous Code Division Multiple Access, time division synchronization code
Point multiple access) under passage, and TDL (Time Division Long Term Evolution, timesharing
Long Term Evolution) under passage.Channel number is corresponded with antenna；Each radio frequency remote unit RRU
Multiple carrier waves are held, which passage is cell can be set up at during baseband processing unit BBU configuration cells,
Which carrier wave, and the information configuration such as time slot is to radio frequency remote unit RRU.
The signal of timesharing Long Term Evolution TDL is broadband signal, can regard only 1 carrier wave as.Its nothing
Line frame length 10ms, including 10 subframes, by taking 8 antenna rf extension unit RRU as an example,
Need altogether to count 80 groups of performance numbers.Due to Remote Radio Unit measurement period be 3s, therefore this 80
Group performance number is 300 radio frames respective antennas, the average descending power of corresponding time slot.
TD SDMA TDS volume signals are wireless frame length 5ms, (includes including 10 time slots
Special time slot gp, up, dw), 12 loads are set up with 8 antenna rf extension unit RRU
As a example by ripple, need altogether to count 960 groups of performance numbers.As default measurement period is 3s, therefore this 960
Group performance number be 600 radio frames respective antennas, corresponding carrier wave, corresponding descending time slot average under
Row power.
It should be noted that multiple cells, example can be configured due to radio frequency remote unit RRU simultaneously
Such as timesharing Long Term Evolution TDL cells and TD SDMA TDS cells etc., therefore, sheet
Inventive embodiments in actual applications, can be according to actual radio frequency remote unit RRU and base band
The configuration information of processing unit BBU is calculating the descending power in the embodiment of the present invention.
Step 103, obtains the link real-time gain of the radio frequency remote unit RRU；
Step 104, obtains institute using the average descending power and link real-time gain of each passage
State the descending power of radio frequency remote unit RRU.
In embodiments of the present invention, the hardware of radio frequency remote unit RRU is carried out to descending power in real time
Detection, but only after the trigger for receiving software, by the testing result of current preset measurement period
It is stored in depositor.By software combine current area time slot proportion, will be all from depositor under
The power of row time slot reads out calculating meansigma methodss, and junction link real-time gain, releases radio frequency and draws
The descending power of eating dishes without rice or wine of remote unit R RU.
Link real-time gain=FPGA statistics power (dbfs)+(mainboard gain+power amplifier gain+
Filter gain)
Wherein, mainboard gain, power amplifier gain and filter gain are fixed gains, can fix and deposit
Be placed on EEPROM (Electrically Erasable Programmable Read-Only Memory,
Electrically erasable read-only memory) or other memorizeies in.
The embodiment of the present invention need reporting radio frequency extension unit RRU eat dishes without rice or wine descending power when, meeting
After by the descending power average computation of each passage for counting on, obtain in conjunction with link real-time gain
The descending power of eating dishes without rice or wine of radio frequency remote unit RRU reports baseband processing unit BBU.
In one preferred embodiment of the invention, can deposit in the radio frequency remote unit RRU
Contain and cell information can be configured with by baseband processing unit BBU, before the step 101,
Can also comprise the steps：
Judge on the passage, whether have cell to set up using the cell information；
If so, the step of then executing the descending power for obtaining the passage；
If it is not, then removing the descending power of the passage stored in the depositor.
In implementing, after cell is set up, it is stored with by base band in radio frequency remote unit RRU
The contents such as the cell information of processing unit BBU configurations, passage, power and time slot, if cell
Set up, then can will put cell in radio frequency remote unit RRU and be masked as setting up.By traversal
Whether the little distinctive emblem for setting up cell is set up, you can inquire the passage of radio frequency remote unit RRU
Whether there is cell.
In embodiments of the present invention, start triggering statistics in radio frequency remote unit RRU software to lead to per root
Before the descending power in road, determine whether that cell is set up, if advised without cell on passage,
From the beginning the descending power of radio frequency remote unit RRU is so counted, to prevent for remote radio list
The descending power of first RRU passages counts on half, and cell is deleted.In addition, if will inquire about
Passage on without cell set up, then the descending power of this root passage can be updated to 0.
In one preferred embodiment of the invention, described method can also comprise the steps：
When the radio frequency remote unit RRU accesses the baseband processing unit BBU again, clearly
Descending power except the passage of storage in the depositor.
When radio frequency remote unit RRU accesses the baseband processing unit BBU again, by
Change is had occurred that in configuration information, all global variables is reset, that is, is removed institute in a register
There is the descending power of the passage of first statistics, to re-start the descending work(of radio frequency remote unit RRU
The statistics of rate.
In one preferred embodiment of the invention, the cell can include timesharing Long Term Evolution
TDL cells and TD SDMA TDS cells, described method can also include following step
Suddenly：
If be simultaneously configured with the radio frequency remote unit RRU timesharing Long Term Evolution TDL cells and
TD SDMA TDS cells, then adopt the timesharing Long Term Evolution TDL cells.
In implementing, if timesharing Long Term Evolution TDL cells and TD SDMA
TDS cells simultaneously and are deposited, then using the intermediate-frequency channel number and time slot of timesharing Long Term Evolution TDL cells
Configuration.If TD SDMA TDS cells do not have dominant frequency point, acquiescence to use first
The intermediate-frequency channel number of carrier wave and time slot configuration.
Intermediate-frequency channel number is that channel number is the sequence number of physical channel to the sequence number after carrier wave sequence.When
Point S-CDMA-Synchronous Code Division Multiple Access TDS has multiple carrier waves, and each carrier wave has a center frequency point, but actually
The center frequency point of dominant frequency point is generally used, timesharing Long Term Evolution TDL is general, and described frequency is exactly institute
(carrier wave of timesharing Long Term Evolution TDL is relative to TD SDMA the center frequency point of carrier wave
Less for TDS, at most there is 3 simultaneously at present).Although actually dominant frequency point and frequency
Two conceptive somewhat gaps, but practical application in embodiments of the present invention is the same.
When in embodiments of the present invention, for there is multiple carrier waves, for convenience subsequently to carrying
Ripple is processed, and can be ranked up for the carrier wave having built up, while generating to each carrier wave
One sequence number, this sequence number is exactly intermediate-frequency channel number, therefore using the intermediate-frequency channel of first carrier wave
Number the meaning be exactly sequence number using first carrier wave.
In embodiments of the present invention, can by the unit of other for the channel level for counting on descending power,
And the unit of the unit and other data of the descending power of radio frequency remote unit RRU rank is carried out
Conversion.For example, by the Conversion of measurement unit of other for channel level descending power be W, for calculate radio frequency drawing
The descending power of remote unit R RU rank.In order to preserve precision, finally calculated can put down
Power and peak power Conversion of measurement unit are mw.
Certainly, when the embodiment of the present invention is implemented, different units can be selected according to the actual requirements
The process such as statistics and calculating of power is carried out, the embodiment of the present invention need not be any limitation as to this.
In order that those skilled in the art more fully understand the embodiment of the present invention, below for the present invention
Embodiment carries out the detection process of radio frequency remote unit RRU descending power and is briefly described.
In implementing, in order to improve the standard of radio frequency remote unit RRU downlink business power statistic
Really default measurement period is set as 3S by property, calculates the mean power of the downlink business in 3S；For
Raising software efficiency, the method for taking asynchronous reading, with reference to one kind of the present invention shown in Fig. 5
The process schematic of the detection of radio frequency remote unit RRU descending power, specific detection process can be with
For：
Statistics initiated by software in step 1, radio frequency remote unit RRU；
Whether step 2, detection have output to detect on the passage in radio frequency remote unit RRU
OPD, reflection power detection RPD, the task of process DPD these high priorities of digital pre-distortion
Trigger；If so, then return to step 1；If it is not, then execution step 3；
Whether output detection OPD, reflection are had in step 3, the default measurement period (3s) of detection
Power detection RPD, the task of process DPD these high priorities of digital pre-distortion are triggered；If
It is, then execution step 5；If it is not, then execution step 4；
Step 4, the descending power for obtaining passage in default measurement period；
Step 5, the descending power for reading the passage of statistics in last default measurement period, and trigger
The statistics of the descending power of next passage；
Step 6, the software junction link real-time gain calculating of radio frequency remote unit RRU are eated dishes without rice or wine descending
Power.
The embodiment of the present invention adopts the hardware of radio frequency remote unit RRU for institute in default measurement period
The power statistic of the descending time slot having in radio frames, and junction link real-time gain calculate true
Descending power, when link real-time gain is calculated, need to use feedback channel, can consider current
Statistical flowsheet with high-priority task for the demand of feedback channel conflicts, in addition, soft in order to improve
Part efficiency, the method that the asynchronous descending power for reading passage can be taken in the embodiment of the present invention.
It should be noted that for embodiment of the method, in order to be briefly described, therefore which is all expressed as
A series of combination of actions, but those skilled in the art should know, and the embodiment of the present invention is not
Limited by described sequence of movement, because according to the embodiment of the present invention, some steps can be adopted
Carry out with other orders or simultaneously.Secondly, those skilled in the art should also know, description
Described in embodiment belong to preferred embodiment, involved action is not necessarily of the invention
Necessary to embodiment.
With reference to Fig. 6, a kind of detection dress of radio frequency remote unit RRU descending power of the invention is shown
Put radio frequency remote unit RRU described in the structured flowchart of embodiment to have for carrying out the logical of radio communication
Road, specifically can include such as lower module：
Descending power acquisition module 201, for obtaining the descending power of each passage；
Average descending power obtains module 202, for adopting the descending power difference of each passage
Obtain the average descending power of each passage；
Link real-time gain acquisition module 203, for obtaining the chain of the radio frequency remote unit RRU
Road real-time gain；
RRU descending powers obtain module 204, for adopting the average descending work(of each passage
Rate and link real-time gain obtain the descending power of the radio frequency remote unit RRU.
In one preferred embodiment of the invention, the passage is configured by baseband processing unit BBU
There are corresponding time slot, the radio frequency remote unit RRU to include depositor and intervalometer, the deposit
Device is stored with the time slot descending power of passage；The descending power acquisition module 201 can include as
Lower submodule：
Time slot descending power acquisition submodule, for after the intervalometer expires, from the deposit
The time slot descending power of each passage is obtained in device；
Passage descending power obtain submodule, for the time slot descending power by each passage with
The time slot descending power of each first passage is added up, and obtains the descending power of each passage.
In one preferred embodiment of the invention, the time slot descending power can be according to default
Measurement period statistics time slot descending power, the descending power acquisition module 201 can include as
Lower submodule：
Task priority judging submodule, for judging whether there be appointing for high priority on the passage
Business is currently running；If so, descending power is then called to update submodule；
Passage descending power updates submodule, for the time slot descending power statistics by the passage is
The upper one time slot descending power counted according to default measurement period, and trigger the remote radio list
The statistics of first RRU next ones channel slot descending power.
In one preferred embodiment of the invention, the average descending power acquisition module 202 can
To include following submodule：
Statistics number submodule, count according to default measurement period under each passage for obtaining respectively
The number of times of time slot descending power；
Average descending power calculating sub module, for being respectively adopted the descending power of each passage
And the number of times, obtain the average descending power of each passage.
In one preferred embodiment of the invention, it is stored with the radio frequency remote unit RRU
The cell information configured by baseband processing unit BBU, described device can also be included such as lower module：
Cell sets up judge module, for judging whether have on the passage using the cell information
Cell is set up；If so, descending power acquisition module is then called；If it is not, then calling the first depositor
Remove module；
Module removed by first depositor, for removing under the passage stored in the depositor
Row power.
In one preferred embodiment of the invention, described device can also be included such as lower module：
Module removed by second depositor, described in being accessed when the radio frequency remote unit RRU again
During baseband processing unit BBU, the descending work(of the time slot of the passage of storage in the removing depositor
Rate.
In one preferred embodiment of the invention, the cell includes that timesharing Long Term Evolution TDL is little
Area and TD SDMA TDS cells, described device can also be included such as lower module：
Cell information determining module, if for being configured with the radio frequency remote unit RRU point simultaneously
When Long Term Evolution TDL cells and TD SDMA TDS cells, then long using the timesharing
Phase evolution TDL cells.
In one preferred embodiment of the invention, the task of the high priority can include：Defeated
Go out power detection OPD, reflection power detection RPD, the process DPD of digital pre-distortion；The chain
Road real-time gain includes FPGA statistics power, mainboard gain, power amplifier gain, filter gain.
For device embodiment, due to itself and embodiment of the method basic simlarity, so description
Fairly simple, related part is illustrated referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of going forward one by one, each embodiment emphasis
Illustrated is all the difference with other embodiment, identical similar part between each embodiment
Mutually referring to.
Those skilled in the art it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method,
Device or computer program.Therefore, the embodiment of the present invention can adopt complete hardware embodiment,
Complete software embodiment or with reference to software and hardware in terms of embodiment form.And, this
Bright embodiment can be adopted in one or more computers for wherein including computer usable program code
Usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) is upper real
The form of the computer program that applies.
The embodiment of the present invention be with reference to method according to embodiments of the present invention, terminal unit (system) and
The flow chart and/or block diagram of computer program is describing.It should be understood that can be by computer journey
Each flow process and/or square frame and flow chart in sequence instruction flowchart and/or block diagram
And/or the combination of the flow process in block diagram and/or square frame.These computer program instructions can be provided
Arrive general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
The processor of equipment is producing a machine so that processed by computer or other programmable datas
The instruction of the computing device of terminal unit is produced for realization in one flow process of flow chart or multiple streams
The device of the function of specifying in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide at computer or other programmable datas
In the computer-readable memory that reason terminal unit is worked in a specific way so that be stored in the calculating
Instruction in machine readable memory produces the manufacture for including command device, and the command device is realized
Specify in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames
Function.
These computer program instructions can also be loaded into computer or other programmable data processing terminals
On equipment so that on computer or other programmable terminal equipments execute series of operation steps with
Computer implemented process is produced, so as to executed on computer or other programmable terminal equipments
Instruction is provided for realization in one square frame of one flow process of flow chart or multiple flow processs and/or block diagram
Or specify in multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art
Once knowing basic creative concept, then other change and modification can be made to these embodiments.
So, claims are intended to be construed to include preferred embodiment and fall into the embodiment of the present invention
Scope had altered and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relation
Term is used merely to make a distinction an entity or operation with another entity or operation, and not
Necessarily to require or imply and there is any this actual relation or suitable between these entities or operation
Sequence.And, term " including ", "comprising" or its any other variant are intended to nonexcludability
Comprising so that a series of process, method, article or terminal unit including key elements is not only
Including those key elements, but also other key elements including being not expressly set out, or also include for
The intrinsic key element of this process, method, article or terminal unit.Without more restrictions
In the case of, the key element that limited by sentence "including a ...", it is not excluded that including the key element
Also there is other identical element in process, method, article or terminal unit.
Above to a kind of detection method of radio frequency remote unit RRU descending power provided by the present invention
With a kind of detection means of radio frequency remote unit RRU descending power, it is described in detail, herein
In apply specific case to the present invention principle and embodiment be set forth, above example
Explanation be only intended to help and understand the method for the present invention and its core concept；Simultaneously for ability
The those skilled in the art in domain, the thought of the foundation present invention, in specific embodiments and applications
Will change, in sum, this specification content should not be construed as limiting the invention.
Claims (15)
1. a kind of detection method of radio frequency remote unit RRU descending power, it is characterised in that institute
There is the passage for being used for carrying out radio communication, described method to include to state radio frequency remote unit RRU：
Obtain the descending power of each passage；
The average descending power that each passage is obtained respectively using the descending power of each passage；
Obtain the link real-time gain of the radio frequency remote unit RRU；
Obtain the radio frequency and draw using the average descending power and link real-time gain of each passage
The descending power of remote unit R RU.
2. method according to claim 1, it is characterised in that the passage is by Base-Band Processing
Unit B BU is configured with corresponding time slot, and the radio frequency remote unit RRU includes depositor and determines
When device, the depositor is stored with the time slot descending power of passage；
The step of descending power of each passage of acquisition, includes：
From the depositor, after the intervalometer expires, obtain the descending work(of time slot of each passage
Rate；
Time slot descending power by the time slot descending power of each passage and each first passage
Added up, obtained the descending power of each passage.
3. method according to claim 1 and 2, it is characterised in that the descending work(of the time slot
Rate be according to default measurement period count time slot descending power, each passage of acquisition descending
The step of power, includes：
Judge that the task of whether having high priority on the passage is currently running；
If so, then will be all according to default statistics for upper one for the time slot descending power statistics of the passage
The time slot descending power of phase statistics, and trigger the radio frequency remote unit RRU next one channel slot
The statistics of descending power.
4. method according to claim 3, it is characterised in that the employing passage descending
The step of power obtains the average descending power of each passage includes：
The number of times that each passage under according to default measurement period count time slot descending power is obtained respectively；
The descending power and the number of times of each passage is respectively adopted, each passage is obtained
Average descending power.
5. method according to claim 1 and 2, it is characterised in that in the remote radio
Be stored with unit R RU the cell information configured by baseband processing unit BBU, in the acquisition
Before the step of descending power of each passage, also include：
Judge on the passage, whether have cell to set up using the cell information；
If so, the step of then executing the descending power for obtaining each passage；
If it is not, then removing the time slot descending power of the passage stored in the depositor.
6. method according to claim 1 and 2, it is characterised in that also include：
When the radio frequency remote unit RRU accesses the baseband processing unit BBU again, clearly
Time slot descending power except the passage of storage in the depositor.
7. method according to claim 1, it is characterised in that the cell includes that timesharing is long
Phase evolution TDL cells and TD SDMA TDS cells, described method also include：
If be simultaneously configured with the radio frequency remote unit RRU timesharing Long Term Evolution TDL cells and
TD SDMA TDS cells, then adopt the timesharing Long Term Evolution TDL cells.
8. method according to claim 3, it is characterised in that the task of the high priority
Including：Output detection OPD, reflection power detection RPD, the process DPD of digital pre-distortion；
The link real-time gain includes FPGA statistics power, mainboard gain, power amplifier gain, wave filter
Gain.
9. a kind of detection means of radio frequency remote unit RRU descending power, it is characterised in that institute
There is the passage for being used for carrying out radio communication, described device to include to state radio frequency remote unit RRU：
Descending power acquisition module, for obtaining the descending power of each passage；
Average descending power obtains module, for being obtained using the descending power of each passage respectively
Obtain the average descending power of each passage；
Link real-time gain acquisition module, for obtaining the link reality of the radio frequency remote unit RRU
Shi Zengyi；
RRU descending powers obtain module, for adopt each passage average descending power and
Link real-time gain obtains the descending power of the radio frequency remote unit RRU.
10. device according to claim 9, it is characterised in that the passage is by base band
Reason unit B BU is configured with corresponding time slot, the radio frequency remote unit RRU include depositor and
Intervalometer, the depositor are stored with the time slot descending power of passage；The descending power obtains mould
Block includes：
Time slot descending power acquisition submodule, for after the intervalometer expires, from the deposit
The time slot descending power of each passage is obtained in device；
Passage descending power obtain submodule, for the time slot descending power by each passage with
The time slot descending power of each first passage is added up, and obtains the descending power of each passage.
11. devices according to claim 9 or 10, it is characterised in that the time slot is descending
Power be according to default measurement period count time slot descending power, the descending power acquisition module
Including：
Task priority judging submodule, for judging whether there be appointing for high priority on the passage
Business is currently running；If so, descending power is then called to update submodule；
Passage descending power updates submodule, for the time slot descending power statistics by the passage is
The upper one time slot descending power counted according to default measurement period, and trigger the remote radio list
The statistics of first RRU next ones channel slot descending power.
12. devices according to claim 11, it is characterised in that the average descending power
Obtaining module includes：
Statistics number submodule, count according to default measurement period under each passage for obtaining respectively
The number of times of time slot descending power；
Average descending power calculating sub module, for be respectively adopted the passage descending power and
The number of times, obtains the average descending power of each passage.
13. devices according to claim 9 or 10, it is characterised in that draw in the radio frequency
Be stored with remote unit R RU the cell information configured by baseband processing unit BBU, described dress
Putting also includes：
Cell sets up judge module, for judging whether have on the passage using the cell information
Cell is set up；If so, descending power acquisition module is then called；If it is not, then calling the first depositor
Remove module；
Module removed by first depositor, for removing under the passage stored in the depositor
Row power.
14. devices according to claim 9 or 10, it is characterised in that also include：
Module removed by second depositor, described in being accessed when the radio frequency remote unit RRU again
During baseband processing unit BBU, the descending work(of the time slot of the passage of storage in the removing depositor
Rate.
15. devices according to claim 9, it is characterised in that the cell includes timesharing
Long Term Evolution TDL cells and TD SDMA TDS cells, described device also include：
Cell information determining module, if for being configured with the radio frequency remote unit RRU point simultaneously
When Long Term Evolution TDL cells and TD SDMA TDS cells, then long using the timesharing
Phase evolution TDL cells.
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| CN201510564843.9A CN106507462B (en) | 2015-09-07 | 2015-09-07 | A kind of detection method and device of radio frequency remote unit RRU descending power |
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| CN201510564843.9A CN106507462B (en) | 2015-09-07 | 2015-09-07 | A kind of detection method and device of radio frequency remote unit RRU descending power |
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| CN111669810A (en) * | 2020-05-12 | 2020-09-15 | 中国联合网络通信集团有限公司 | Energy-saving method and device for digital indoor distribution system |
| CN113795047A (en) * | 2021-09-15 | 2021-12-14 | 深圳市佳贤通信设备有限公司 | Downlink energy-saving method, system, computer equipment and storage medium |
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| CN106507462B (en) | 2019-11-29 |
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