CN107889204A - A kind of ascending power dynamic adjusting method and device - Google Patents
A kind of ascending power dynamic adjusting method and device Download PDFInfo
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- CN107889204A CN107889204A CN201610870457.7A CN201610870457A CN107889204A CN 107889204 A CN107889204 A CN 107889204A CN 201610870457 A CN201610870457 A CN 201610870457A CN 107889204 A CN107889204 A CN 107889204A
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- power
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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
- H04W52/146—Uplink power control
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- Mobile Radio Communication Systems (AREA)
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Abstract
The present invention provides a kind of ascending power dynamic adjusting method and device, belongs to communication technical field, methods described includes：The up target power of base station is obtained, target gear corresponding to the up target power is inquired about in predetermined power gear table；When the target gear is without departing from current gear scope, current ascending power is adjusted by numeric field；When the target gear exceeds current gear scope, then current power gear is adjusted, current ascending power is adjusted by radio frequency domains.The present invention can realize that BM ascending powers dynamically adjust on a large scale, meet base station power scheduling requirement.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of ascending power dynamic adjusting method and device.
Background technology
LTE Relay systems include passback module (BM) and relay base station (ReNB) two parts, and wherein BM is responsible for relaying
The user data of base station returns to host base station (DeNB) by eating dishes without rice or wine.For host base station, BM is a kind of user equipment, its
Ascending power by host base station control, it is necessary to which a wide range of dynamic adjusts.
At present, uplink power control is mainly realized by numeric field and radio frequency domains.Wherein, numeric field is due to by I/Q data
The limitation of bit wide can not realize that larger power dynamic adjusts.Adjust excessive, signal often distortion.The link gain of radio frequency domains
The state that must take into consideration power amplifier is set, that is, ensures that power amplifier is operated in linear zone, once link gain is too big, power amplifier will enter full
And area, in the case of small-power, if increasing the decay of power amplifier front end signal, chain noise factor can be poor, the letter of transmitting chain
Make an uproar more serious than that will deteriorate, signal quality can equally be deteriorated.
Inventor has found that individually the gain of adjustment numeric field or radio frequency domains can not be real in the prior art by above-mentioned analysis
Existing BM ascending powers dynamically adjust on a large scale.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is to provide a kind of ascending power dynamic adjusting method and device, uses
To solve the problems, such as not realizing that BM ascending powers dynamically adjust on a large scale in the prior art.
The present invention solves above-mentioned technical problem by the following technical programs：
One aspect of the present invention provides a kind of ascending power dynamic adjusting method, including：
The up target power of base station is obtained, mesh corresponding to the up target power is inquired about in predetermined power gear table
Mark gear；
When the target gear is without departing from current gear scope, current ascending power is adjusted by numeric field；
When the target gear exceeds current gear scope, then current power gear is adjusted, worked as by radio frequency domains adjustment
Preceding ascending power.
Further, the predetermined power gear table is determined by following steps：
Radio frequency link is calibrated under nominal power, obtains reference decay value；
Radio frequency link gain is divided according to the reference decay value and radio frequency domains dynamic range, generated described default
Power gear table.
Further, the radio frequency domains dynamic range is the difference of ascending power dynamic range and numeric field dynamic range.
Further, the predetermined power gear table includes gear value, the pad value of current gear adjustable attenuator and
Power amplifier bypass state.
Further, it is described to adjust current ascending power by radio frequency domains and include：
Obtain the pad value of adjustable attenuator corresponding to power gear and power amplifier bypass state after adjusting；
Radio frequency link gain is configured according to the pad value of the adjustable attenuator and the power amplifier bypass state.
Further,
When up target power from large to small when, current power gear is directly adjusted to work(corresponding to up target power
Rate gear；
When up target power changes from small to big, current power gear is adjusted to work(corresponding to up target power step by step
Rate gear.
Another aspect of the present invention, there is provided a kind of ascending power dynamic adjusting device, including：
Enquiry module, for obtaining the up target power of base station, the up mesh is inquired about in predetermined power gear table
Mark target gear corresponding to power；
Adjusting module, for when the target gear is without departing from current gear scope, being adjusted by numeric field on current
Row power；When the target gear exceeds current gear scope, then current power gear is adjusted, adjusted by radio frequency domains current
Ascending power.
Further, described device also includes：
Predetermined power gear table generation module, for calibrating under nominal power radio frequency link, obtain benchmark and decline
Depreciation；Radio frequency link gain is divided according to the reference decay value and radio frequency domains dynamic range, generates the default work(
Rate gear table.
Further, the predetermined power gear table includes gear value, the pad value of current gear adjustable attenuator and
Power amplifier bypass state.
Further, the adjusting module includes the first adjusting module and the second adjusting module,
First adjusting module, for when up target power from large to small when, current power gear is directly adjusted
To power gear corresponding to up target power；
Second adjusting module, for when up target power changes from small to big, current power gear to be adjusted step by step
To power gear corresponding to up target power.
Compared with prior art, ascending power dynamic adjusting method provided in an embodiment of the present invention and device, according to up
The gain to radio frequency domains carries out power stepping to the size of target power in advance, and it is corresponding can to obtain current up target power in real time
Target gear, according to the relation of current gear and target gear, realized using numeric field by the way of radio frequency domains are combined pair
Current ascending power dynamically adjusts on a large scale, meets base station power scheduling requirement.
Brief description of the drawings
Fig. 1 shows a kind of flow chart for ascending power dynamic adjusting method that the embodiment of the present invention one provides；
Fig. 2 shows a kind of structural representation for ascending power dynamic adjusting device that the embodiment of the present invention two provides.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, the technical scheme in the present invention is carried out below
Clear, complete description, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are not on the premise of creative work is made, the institute that is obtained
There is other embodiment, belong to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one provides a kind of ascending power dynamic adjusting method, and this method is applied to mainly by adjustable damping
The hardware unit of device (abbreviation Att) and power amplifier (abbreviation PA) and power amplifier bypass switch (abbreviation SW) circuit composition.Such as Fig. 1 institutes
Show, this method includes：
S101, the up target power for obtaining base station, inquire about the up target power pair in predetermined power gear table
The target gear answered；
Preferably, the predetermined power gear table includes gear value, current gear adjustable attenuator Att pad value and
Power amplifier bypass state.
In this step, the up target power of base station is obtained in real time, when the up target power change of base station scheduling,
Target gear corresponding to the up target power is inquired about in predetermined power gear table, obtain current Att setting and power amplifier
Bypass condition is configured.
Wherein, the predetermined power gear table is determined by following steps：
S11, radio frequency link is calibrated under nominal power, obtain reference decay value；
Specifically, radio frequency domains use autonomous data source, radio frequency link is calibrated under nominal power, obtains power point
A benchmark Att pad value needed for shelves.In calibration process, power amplifier bypass switch closure, power amplifier is in conducting state, passed through
The pad value for adjusting Att demarcates the gain of link, ensures the precision of link gain.
Exemplary, the up target power dynamic ranges of passback module BM are that -43dBm arrives 27dBm, and revolution module BM is initial
During change, data field is calibrated radio frequency link using autonomous data source, obtains the benchmark Att pad values under rated power, false
Vatt=10 after the completion of setting mark, i.e., when benchmark Att pad values are arranged to 10, up target power is 27dBm.
S12, according to the reference decay value and radio frequency domains dynamic range radio frequency link gain is divided, described in generation
Predetermined power gear table.
In a preferable embodiment, the radio frequency domains dynamic range is that ascending power dynamic range is moved with numeric field
The difference of state scope.Wherein, ascending power dynamic range is stood by host and determined, the dynamic range of numeric field is according to the bit wide of I/Q data
And signal quality determines.
Exemplary, the up target power dynamic ranges of passback module BM are that -43dBm arrives 27dBm, the i.e. up work(of 70dB
Rate dynamic range, numeric field dynamic range are that -13dBfs arrives -33dBfs, i.e. the numeric field dynamic orientation of 20dB, the gain of power amplifier
For 40dB.
Then as shown in table 1, the dynamic range of numeric field is in each power gear of predetermined power gear table in this example
20dB, the gain of radio frequency domains are made up of benchmark Att pad values and power amplifier gain, such as the rf gain of the first power gear is work(
Amplification gain 40dB subtracts benchmark Att pad value 10dB, i.e. 30dB；Similarly, the rf gain of the second power gear is 13dB；3rd work(
Rf gain is -4dB after rate gear power amplifier bypass；Rf gain is -21dB after 4th power gear power amplifier bypass, four power
Gear numeric field and radio frequency domains combination adjustment can realize 70dB dynamic.
The predetermined power gear table of table 1
S102, when the target gear is without departing from current gear scope, current ascending power is adjusted by numeric field；
Referring to table 1, if current gear is 1 grade, current gear scope is 7dBm to 27dBm, and up target power is 20dBm
Without departing from current gear scope, then current ascending power is adjusted by numeric field, current gear does not change.
S103, when the target gear exceeds current gear scope, then adjust current power gear, adjusted by radio frequency domains
Whole current ascending power.
It is described to adjust current ascending power by radio frequency domains and include in a preferable embodiment：
Obtain the pad value of adjustable attenuator corresponding to power gear and power amplifier bypass state after adjusting；
Radio frequency link gain is configured according to the pad value of the adjustable attenuator and the power amplifier bypass state.
Exemplary, referring to table 1, if current gear is 1 grade, current gear scope is 7dBm to 27dBm, up target work(
Rate is that -8dBm exceeds current gear scope, then it is 2 grades to adjust current gear, and 2 grades of corresponding adjustable attenuator Att pad value is
27th, power amplifier bypass state is do not bypass, then using attenuator Att pad value be 27 and power amplifier not bypass condition to radio frequency link increasing
Benefit is configured.
Preferably, because radio-frequency devices have certain non-linear, the gain superposition of adjacent power gear, ascending power is prevented
There is vacancy, avoid ascending power from becoming other equipment in big interfered cell suddenly, when adjusting current power gear：
When up target power from large to small when, current power gear is directly adjusted to work(corresponding to up target power
Rate gear；
When up target power changes from small to big, current power gear is adjusted to work(corresponding to up target power step by step
Rate gear.
Exemplary, referring to table 1, if current gear is 3 grades, up target power changes from small to big, current up target work(
Target gear corresponding to rate is 1, that is, needs current gear being adjusted to 1 grade from 3 grades, be then first adjusted to 2 grades, then is adjusted to 1 grade,
Gear raises step by step；
If current gear is 1 grade, from large to small, target gear corresponding to current up target power is up target power
3, that is, need current gear being adjusted to 3 grades from 1 grade, then do not transferred the files step by step directly from 1 when being adjusted to 3 grades.
Ascending power dynamic adjusting method provided in an embodiment of the present invention, according to the size of up target power in advance to penetrating
The gain of frequency domain carries out power stepping, target gear corresponding to current up target power can be obtained in real time, according to current shelves
Position and the relation of target gear, are realized by the way of radio frequency domains are combined using numeric field and current ascending power are moved on a large scale
State adjusts, and meets base station power scheduling requirement.
Embodiment two
The embodiment of the present invention two provides a kind of ascending power dynamic adjusting device 2, as shown in Fig. 2 the device 2 includes：
Predetermined power gear table generation module 20, for calibrating under nominal power radio frequency link, obtain benchmark
Pad value；Radio frequency link gain is divided according to the reference decay value and radio frequency domains dynamic range, generated described default
Power gear table.
Wherein, the predetermined power gear table includes gear value, the pad value and power amplifier of current gear adjustable attenuator
Bypass condition.
Enquiry module 21, for obtaining the up target power of base station, inquired about in predetermined power gear table described up
Target gear corresponding to target power；
Adjusting module 22, for when the target gear is without departing from current gear scope, being adjusted by numeric field current
Ascending power；When the target gear exceeds current gear scope, then current power gear is adjusted, worked as by radio frequency domains adjustment
Preceding ascending power.
Wherein, adjusting module 22 is mainly made up of adjustable attenuator Att and power amplifier PA and power amplifier bypass switch SW circuits.
Further, the adjusting module 22 includes the first adjusting module and the second adjusting module,
First adjusting module, for when up target power from large to small when, current power gear is directly adjusted
To power gear corresponding to up target power；
Second adjusting module, for when up target power changes from small to big, current power gear to be adjusted step by step
To power gear corresponding to up target power.
It will be understood by those skilled in the art that these structure charts and/or block diagram can be realized with computer program instructions
And/or the combination of each frame and these structure charts and/or the block diagram in block diagram and/or flow chart in flow chart.It can incite somebody to action
These computer program instructions are supplied to the processor of programmable data processing method to generate machine, so as to pass through programmable number
According to the processor of processing method the frame or more for being used for realizing structure chart and/or block diagram and/or flow chart is created come the instruction performed
The method specified in individual frame.
It should be noted that：Each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Above to a kind of ascending power dynamic adjusting method provided by the present invention and device, it is described in detail, this
Apply specific case in text to be set forth the principle and embodiment of the present invention, the explanation of above example is only intended to
Help to understand method and its core concept of the invention；Meanwhile for those of ordinary skill in the art, the think of according to the present invention
Think, in specific embodiments and applications there will be changes, in summary, this specification content should not be construed as pair
The limitation of the present invention.
Claims (10)
- A kind of 1. ascending power dynamic adjusting method, it is characterised in that including：The up target power of base station is obtained, target shift corresponding to the up target power is inquired about in predetermined power gear table Position；When the target gear is without departing from current gear scope, current ascending power is adjusted by numeric field；When the target gear exceeds current gear scope, then current power gear is adjusted, by radio frequency domains adjustment currently Row power.
- 2. according to the method for claim 1, it is characterised in that the predetermined power gear table is determined by following steps：Radio frequency link is calibrated under nominal power, obtains reference decay value；Radio frequency link gain is divided according to the reference decay value and radio frequency domains dynamic range, generates the predetermined power Gear table.
- 3. according to the method for claim 2, it is characterised in that：The radio frequency domains dynamic range is ascending power dynamic range And the difference of numeric field dynamic range.
- 4. according to the method for claim 2, it is characterised in that：The predetermined power gear table includes gear value, current shelves The pad value and power amplifier bypass state of position adjustable attenuator.
- 5. according to the method for claim 4, it is characterised in that：It is described to adjust current ascending power by radio frequency domains and include：Obtain the pad value of adjustable attenuator corresponding to power gear and power amplifier bypass state after adjusting；Radio frequency link gain is configured according to the pad value of the adjustable attenuator and the power amplifier bypass state.
- 6. according to any described methods of claim 1-5, it is characterised in that：When up target power from large to small when, current power gear is directly adjusted to power shelves corresponding to up target power Position；When up target power changes from small to big, current power gear is adjusted to power shelves corresponding to up target power step by step Position.
- A kind of 7. ascending power dynamic adjusting device, it is characterised in that including：Enquiry module, for obtaining the up target power of base station, the up target work(is inquired about in predetermined power gear table Target gear corresponding to rate；Adjusting module, for when the target gear is without departing from current gear scope, current up work(to be adjusted by numeric field Rate；When the target gear exceeds current gear scope, then current power gear is adjusted, adjusted by radio frequency domains current up Power.
- 8. device according to claim 7, it is characterised in that also include：Predetermined power gear table generation module, for calibrating under nominal power radio frequency link, obtain reference decay value； Radio frequency link gain is divided according to the reference decay value and radio frequency domains dynamic range, generates the predetermined power gear Table.
- 9. device according to claim 8, it is characterised in that：The predetermined power gear table includes gear value, the pad value and power amplifier bypass state of current gear adjustable attenuator.
- 10. according to any described devices of claim 7-9, it is characterised in that：The adjusting module includes the first adjusting module and the second adjusting module,First adjusting module, for when up target power from large to small when, current power gear is directly adjusted to Power gear corresponding to row target power；Second adjusting module, for when up target power changes from small to big, current power gear to be adjusted to step by step Power gear corresponding to row target power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870457.7A CN107889204A (en) | 2016-09-29 | 2016-09-29 | A kind of ascending power dynamic adjusting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870457.7A CN107889204A (en) | 2016-09-29 | 2016-09-29 | A kind of ascending power dynamic adjusting method and device |
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| Publication Number | Publication Date |
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| CN107889204A true CN107889204A (en) | 2018-04-06 |
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| CN201610870457.7A Pending CN107889204A (en) | 2016-09-29 | 2016-09-29 | A kind of ascending power dynamic adjusting method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023153963A1 (en) * | 2022-02-11 | 2023-08-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Configuration of transmitter circuitry |
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Application publication date: 20180406 |