CN105263183B - A kind of method and device of power adjustment - Google Patents
A kind of method and device of power adjustment Download PDFInfo
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- CN105263183B CN105263183B CN201510735955.6A CN201510735955A CN105263183B CN 105263183 B CN105263183 B CN 105263183B CN 201510735955 A CN201510735955 A CN 201510735955A CN 105263183 B CN105263183 B CN 105263183B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000005259 measurement Methods 0.000 claims description 18
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000012935 Averaging Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
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Abstract
The invention discloses a kind of methods of power adjustment, are related to field of communication technology, can effectively improve the averaging network experience of micro- station service user.Method provided by the invention includes：Micro-base station obtains serving macro-cell corresponding with the micro-base station；First signal strength difference of micro-base station statistics Microcell and the serving macro-cell of different brackets user feedback under micro-base station service；The micro-base station calculates in all users under first object user's owning user grade, the accounting value of the first object user, and the first object user is the micro-base station user that the first signal strength difference is less than interference threshold；When the accounting value is higher than adjustment thresholding, the micro-base station adjusts transmission power.During the embodiment of the present invention is suitable for base station power adjustment.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and devices of power adjustment.
Background technology
As the density of population is unevenly distributed, different age group, different regions user are more next to the demand difference of mobile service
It is bigger so that the mobile service carrying demand of different community has " cold " to have " heat ", the industry of same Intra-cell diverse geographic location
Business amount demand is also different.
Therefore, micro-base station starts to have rapidly entered among mobile network builds.The micro-base station that power is different, comes in every shape,
Diversified networking plan is formed with macro base station, or weak for the blind benefit of macro base station benefit, the depth covering power for solving macro base station is insufficient
Problem；Or absorb heat for macro base station, lifting region network capacity improves customer service experience.It takes together current each operation commercial city
In this networking mode of frequency networking, co-channel interference between macro and micro will make the user network experience of macrocell, Microcell service
At apparent negative effect.Since the power of macro base station should not be generally adjusted, it all can be by dynamically adjusting micro- base
The transmission power stood mitigates the influence of co-channel interference to a certain extent.
Expectation SINR (the Signal of micro-base station user are mainly first arranged in current micro-base station power dynamic Adjusted Option
To Interference plus Noise Ratio, Signal to Interference plus Noise Ratio) thresholding, by the link load estimated and
The signal of surrounding macro base station configures the transmission power of itself, to ensure that the SINR of all users of micro-base station service is above
SINR threshold values, and then ensure the web experience of service user.Currently, in order to reduce influence of the micro-base station to macro base station, generally
Will desired SINR be arranged smaller, enable the SINR of all users all be higher than a smaller desired value, this can only ensure micro-
The most harsh conditions of the user network experience of base station service are controllable, but can not effectively improve being averaged for micro-base station service user
Web experience.
Invention content
The embodiment of the present invention provides a kind of method and device of power adjustment, effectively improves micro-base station service user
Averaging network is experienced.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
An embodiment of the present invention provides a kind of methods of power adjustment, including：
Micro-base station obtains serving macro-cell corresponding with the micro-base station；
The micro-base station statistics Microcell of different brackets user feedback and service under micro-base station service is macro
First signal strength difference of cell；
The micro-base station calculates in all users under first object user's owning user grade, and the first object is used
The accounting value at family, the first object user are the micro-base station user that the first signal strength difference is less than interference threshold；
When the accounting value is higher than adjustment thresholding, the micro-base station adjusts transmission power.
The embodiment of the present invention additionally provides a kind of device of power adjustment, including：
Acquiring unit, for obtaining serving macro-cell corresponding with micro-base station；
Statistic unit, for counting the Microcell of different brackets user feedback and the service under micro-base station service
First signal strength difference of macrocell；
Computing unit, for calculating in all users under first object user's owning user grade, first mesh
The accounting value of user is marked, the first object user is the micro-base station user that the first signal strength difference is less than interference threshold；
Adjustment unit, for when the accounting value is higher than adjustment thresholding, adjusting transmission power.
A kind of method and device of power adjustment provided in an embodiment of the present invention first determines and micro-base station is needed to carry out load point
Load, and there are the macro base stations of Microcell in the higher region of its signal strength, so that micro-base station can effectively be that these are macro
Base station provides load balancing service, while being unlikely to influence the signal strength of macro base station, and micro- base is then determined by accounting value
It stands and is currently disturbed the quantity of user, the transmission power of micro-base station is adjusted if quantity is higher, to ensure to micro-base station user's
Service.Determine that base station power, the embodiment of the present invention can more combine by the way that unified SINR value is arranged compared with the prior art
Actual conditions complete the power adjustment to micro-base station.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of method flow diagram of power adjustment provided in an embodiment of the present invention；
Fig. 2 is the method flow diagram of another power adjustment provided in an embodiment of the present invention；
Fig. 3 is the method flow diagram of another power adjustment provided in an embodiment of the present invention；
Fig. 4 is a kind of composition frame chart of the device of power adjustment provided in an embodiment of the present invention；
Fig. 5 is the composition frame chart of the device of another power adjustment provided in an embodiment of the present invention；
Fig. 6 is the composition frame chart of the device of another power adjustment provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of method of power adjustment, the transmission power for being suitable for micro-base station adjusts, the party
Method is executed by micro-base station, as shown in Figure 1, its method flow includes：
101, serving macro-cell corresponding with micro-base station is obtained.
In embodiments of the present invention, the serving macro-cell needs have following two conditions, first, micro-base station needs are
The macrocell load sharing, and Microcell will also be deployed in the higher region of macro-cell signals intensity.
102, the Microcell with the serving macro-cell of statistics different brackets user feedback under micro-base station service
First signal strength difference.
It should be noted that needing exist for counting the first difference in signal strength of each user feedback under each user gradation
Value.
103, it calculates in all users under first object user's owning user grade, the first object user's accounts for
Ratio, the first object user are the micro-base station user that the first signal strength difference is less than interference threshold.
104, when the accounting value is higher than adjustment thresholding, transmission power is adjusted.
Adjustment thresholding herein is generally configured as needed.
A kind of method of power adjustment provided in an embodiment of the present invention, it is first determining that micro-base station is needed to carry out load balancing, and
There are the macro base stations of Microcell in the higher region of its signal strength, so that micro-base station can effectively be that these macro base stations carry
For load balancing service, while being unlikely to influence the signal strength of macro base station, then determines that micro-base station is current by accounting value
It is disturbed the quantity of user, the transmission power of micro-base station is adjusted if quantity is higher, to ensure the service to micro-base station user.Phase
Than determining that base station power, the embodiment of the present invention can more combine actual conditions by the way that unified SINR value is arranged in the prior art
Complete the power adjustment to micro-base station.
The embodiment of the present invention there is provided herein a kind of determination method of serving macro-cell, for step 101 micro-base station obtain with
The specific implementation of the corresponding serving macro-cell of the micro-base station, as shown in Fig. 2, including：
201, the measurement report of mobile subscriber's feedback of own services is obtained, the measurement report includes that Microcell signal is strong
Degree and neighboring area signal intensity.
Wherein, signal strength can be embodied by RSRP values.
202, it is more than that the adjacent area of the first predetermined threshold value is determined as the potential clothes of the micro-base station by total Times of Feedback accounting value
Business macrocell.
Referring herein to total Times of Feedback be appreciated that each adjacent area is carried in the measurement report that mobile subscriber feeds back
The number arrived.So total Times of Feedback accounting value refers to just that the referred number in an adjacent area is mentioned number in all adjacent areas
Ratio in synthesis.
Wherein, the first predetermined threshold value could be provided as the parameter of 30% or other suitable actual needs.
203, in the corresponding measurement report in the potential serving macro-cell, the Microcell signal strength is higher than second
Predetermined threshold value and neighboring area signal intensity are more than that the potential serving macro-cell corresponding to the measurement report of third predetermined threshold value is determined as
Serving macro-cell corresponding with the micro-base station.
It should be noted that because the case where there are multiple measurement reports can provide the same adjacent area occurs, therefore counting
When calculating neighboring area signal intensity, it can generally be realized by calculating average value.
Wherein, the second predetermined threshold value could be provided as -95dBm, and third predetermined threshold value could be provided as -100dBm, certainly
It can also be set as other parameters according to actual needs.
Supplementary explanation, after executing step 201 and 203, it is possible to multiple serving macro-cells can be got.So
In subsequent power adjustment procedure, need these serving macro-cells regarding as a subsequent processing of adjacent area group progress.
The embodiment of the present invention additionally provides a kind of specific method of power adjustment herein, and transmission power is adjusted for step 104
Specific implementation, as shown in figure 3, including：
301, according to the maximum transmission power of the micro-base station, determine that several assume power configuration value, the hypothesis work(
Rate Configuration Values are not more than the maximum transmission power.
In which it is assumed that the determination of power configuration value can by from micro-base station can configure maximum transmission power gradually according to
Power adjustable step-length, subtract tunable steps 2 times subtract 3 times of tunable steps and successively decrease, configurable most until reaching micro-base station
Small transmission power level.
302, it calculates separately when the micro-base station is configured to different hypothesis power configuration values, it is micro- under each user gradation
The second signal strength difference of cell and the serving macro-cell.
Referring herein to second signal strength difference representation method and calculate it is identical as the first signal strength difference.
303, according to the corresponding second signal strength difference of different user grade, the institute in each user gradation is calculated separately
It is second signal strength difference less than interference door to have the accounting value of the second target user described in user, second target user
The micro-base station user of limit.
304, according to the accounting value of the second target user described in all users of each user gradation, a vacation is determined
Determine power configuration value.
Here, the embodiment of the present invention provides a kind of feasible determining method, but the embodiment of the present invention is not only limited in this
Implementation method.The following table 1 is an example of Configuration Values and user's accounting value, and the embodiment of the present invention will combine the table pair to assume herein
The determination method of power configuration value illustrates.
Table 1 is under different user grade, it is assumed that the correspondence of power configuration value and accounting value
| Configuration Values A | Configuration Values B | Configuration Values C | Configuration Values D | Adjust thresholding | |
| High ranked user | 9% | 8% | 11% | 8% | 10% |
| Middle grade user | 14% | 16% | 10% | 14% | 15% |
| Inferior grade user | 25% | 18% | 23% | 21% | 20% |
As can be seen from Table 1, for adjusting thresholding and be 20%, Configuration Values A is compared with Configuration Values C, senior middle school under Configuration Values A
Grade is disturbed micro-base station user's accounting and is below adjustment thresholding, only has middle grade to be disturbed micro-base station user under Configuration Values C and accounts for
Than being less than adjustment thresholding, then Configuration Values A is more excellent.Configuration Values A only has inferior grade respectively compared with Configuration Values B under two kinds of Configuration Values
It is disturbed micro-base station user's accounting with middle grade and is less than adjustment thresholding, but the closer adjustment of accounting of Configuration Values B middle grade users
Thresholding, therefore Configuration Values B is more excellent.Configuration Values B only has middle grade and inferior grade respectively compared with Configuration Values D under two kinds of Configuration Values
It is disturbed micro-base station user's accounting and is less than adjustment thresholding, and the accounting of Configuration Values B middle grade users and Configuration Values D inferior grade users
Accounting it is consistent close to adjustment thresholding degree, then take signal difference under two kinds of Configuration Values to be less than the macrocell user number of interference threshold
Minimum value is optimal.
305, the current transmission power of the micro-base station is adjusted to fixed hypothesis power configuration value.
The embodiment of the present invention additionally provides a kind of device of power adjustment, and to realize preceding method flow, structure is such as
Shown in Fig. 4, including：
Acquiring unit 41, for obtaining serving macro-cell corresponding with micro-base station.
Statistic unit 42, for counting the Microcell of different brackets user feedback and the clothes under micro-base station service
First signal strength difference of business macrocell.
Computing unit 43, for calculating in all users under first object user's owning user grade, described first
The accounting value of target user, the first object user are the micro-base station user that the first signal strength difference is less than interference threshold.
Adjustment unit 44, for when the accounting value is higher than adjustment thresholding, adjusting transmission power.
Optionally, as shown in figure 5, the acquiring unit 41 includes：
Acquisition module 411, the measurement report that the mobile subscriber for obtaining own services feeds back, the measurement report include
Microcell signal strength and neighboring area signal intensity.
First determining module 412, the adjacent area for by total Times of Feedback accounting value being more than the first predetermined threshold value are determined as institute
State the potential serving macro-cell of micro-base station.
Second determining module 413, in the corresponding measurement report in the potential serving macro-cell, by the Microcell
Signal strength is higher than the second predetermined threshold value and neighboring area signal intensity is more than potential corresponding to the measurement report of third predetermined threshold value
Serving macro-cell is determined as serving macro-cell corresponding with the micro-base station.
Optionally, as shown in fig. 6, the adjustment unit 44 includes：
Third determining module 441 determines that several assume that power is matched for the maximum transmission power according to the micro-base station
Value is set, the hypothesis power configuration value is not more than the maximum transmission power.
First computing module 442, for calculating separately when the micro-base station is configured to different hypothesis power configuration values,
The second signal strength difference of Microcell and the serving macro-cell under each user gradation.
Second computing module 443, for according to the corresponding second signal strength difference of different user grade, calculating separately
The accounting value of second target user described in all users of each user gradation, second target user are that second signal is strong
Spend the micro-base station user that difference is less than interference threshold.
4th determining module 444, for according to the second target user described in all users of each user gradation
Accounting value determines a hypothesis power configuration value.
Module 445 is adjusted, for the current transmission power of the micro-base station to be adjusted to fixed hypothesis power configuration
Value.
A kind of device of power adjustment provided in an embodiment of the present invention, it is first determining that micro-base station is needed to carry out load balancing, and
There are the macro base stations of Microcell in the higher region of its signal strength, so that micro-base station can effectively be that these macro base stations carry
For load balancing service, while being unlikely to influence the signal strength of macro base station, then determines that micro-base station is current by accounting value
It is disturbed the quantity of user, the transmission power of micro-base station is adjusted if quantity is higher, to ensure the service to micro-base station user.Phase
Than determining that base station power, the embodiment of the present invention can more combine actual conditions by the way that unified SINR value is arranged in the prior art
Complete the power adjustment to micro-base station.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required common hardware is added to realize, naturally it is also possible to which by hardware, but the former is more preferably in many cases
Embodiment.Based on this understanding, the portion that technical scheme of the present invention substantially in other words contributes to the prior art
Dividing can be expressed in the form of software products, which is stored in the storage medium that can be read, and such as count
The floppy disk of calculation machine, hard disk or CD etc., including some instructions are used so that computer equipment (can be personal computer,
Server or the network equipment etc.) execute method described in each embodiment of the present invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (4)
1. a kind of method of power adjustment, which is characterized in that including：
Micro-base station obtains serving macro-cell corresponding with the micro-base station；
The Microcell and the serving macro-cell of micro-base station statistics different brackets user feedback under micro-base station service
The first signal strength difference；
The micro-base station calculates in all users under first object user's owning user grade, the first object user's
Accounting value, the first object user are the micro-base station user that the first signal strength difference is less than interference threshold；
When the accounting value is higher than adjustment thresholding, the micro-base station adjusts transmission power；
Wherein, micro-base station acquisition serving macro-cell corresponding with the micro-base station includes：
The micro-base station obtains the measurement report of mobile subscriber's feedback of own services, and the measurement report includes Microcell signal
Intensity and neighboring area signal intensity；
Total Times of Feedback accounting value is more than that the adjacent area of the first predetermined threshold value is determined as the potential of the micro-base station by the micro-base station
Serving macro-cell；
In the corresponding measurement report in the potential serving macro-cell, the Microcell signal strength is higher than the second predetermined threshold value
And neighboring area signal intensity be more than third predetermined threshold value measurement report corresponding to potential serving macro-cell be determined as with it is described micro-
The corresponding serving macro-cell in base station.
2. according to the method described in claim 1, it is characterized in that, micro-base station adjustment transmission power includes：
The micro-base station determines that several assume power configuration value, the hypothesis according to the maximum transmission power of the micro-base station
Power configuration value is not more than the maximum transmission power；
The micro-base station is calculated separately when the micro-base station is configured to different hypothesis power configuration values, under each user gradation
The second signal strength difference of Microcell and the serving macro-cell；
The micro-base station is calculated separately according to the corresponding second signal strength difference of different user grade in each user gradation
The accounting value of second target user in all users, second target user are that second signal strength difference is less than interference threshold
Micro-base station user；
The micro-base station determines one according to the accounting value of the second target user described in all users in each user gradation
It is assumed that power configuration value；
The current transmission power of the micro-base station is adjusted to fixed hypothesis power configuration value by the micro-base station.
3. a kind of device of power adjustment, which is characterized in that including：
Acquiring unit, for obtaining serving macro-cell corresponding with micro-base station；
Statistic unit is macro small for counting the Microcell of different brackets user feedback and the service under micro-base station service
First signal strength difference in area；
Computing unit, for calculating in all users under first object user's owning user grade, the first object is used
The accounting value at family, the first object user are the micro-base station user that the first signal strength difference is less than interference threshold；
Adjustment unit, for when the accounting value is higher than adjustment thresholding, adjusting transmission power；
Wherein, the acquiring unit includes：
Acquisition module, the measurement report that the mobile subscriber for obtaining own services feeds back, the measurement report includes Microcell
Signal strength and neighboring area signal intensity；
First determining module, the adjacent area for by total Times of Feedback accounting value being more than the first predetermined threshold value are determined as the micro-base station
Potential serving macro-cell；
Second determining module is strong by the Microcell signal in the corresponding measurement report in the potential serving macro-cell
Degree is higher than the second predetermined threshold value and neighboring area signal intensity is macro more than the potential service corresponding to the measurement report of third predetermined threshold value
Cell is determined as serving macro-cell corresponding with the micro-base station.
4. device according to claim 3, which is characterized in that the adjustment unit includes：
Third determining module determines that several assume power configuration value, institute for the maximum transmission power according to the micro-base station
It states and assumes that power configuration value is not more than the maximum transmission power；
First computing module, for calculating separately when the micro-base station is configured to different hypothesis power configuration values, Mei Geyong
The second signal strength difference of Microcell and the serving macro-cell under the grade of family；
Second computing module, for according to the corresponding second signal strength difference of different user grade, calculating separately in each use
The accounting value of second target user in all users of family grade, second target user are that second signal strength difference is less than
The micro-base station user of interference threshold；
4th determining module is used for the accounting value according to the second target user described in all users of each user gradation,
Determine a hypothesis power configuration value；
Module is adjusted, for the current transmission power of the micro-base station to be adjusted to fixed hypothesis power configuration value.
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| CN110267337B (en) * | 2019-05-14 | 2022-05-06 | 惠州Tcl移动通信有限公司 | Method for adjusting transmission signal intensity by base station, terminal and storage medium |
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