CN108243490A - A kind of method and device for reducing uplink interference - Google Patents
A kind of method and device for reducing uplink interference Download PDFInfo
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- CN108243490A CN108243490A CN201611218253.1A CN201611218253A CN108243490A CN 108243490 A CN108243490 A CN 108243490A CN 201611218253 A CN201611218253 A CN 201611218253A CN 108243490 A CN108243490 A CN 108243490A
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- local area
- uplink
- transmission power
- uplink transmission
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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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- 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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
An embodiment of the present invention provides it is a kind of reduce uplink interference method and device, the method includes：Local area receives the adjust instruction that adjacent area is sent, and the adjust instruction is that the adjacent area determines to send when the first user accesses adjacent area network；Judge that local area meets the second user of regularization condition with the presence or absence of ascending performance parameter；Determine that there are during the second user, the uplink total emission power of local area is reduced by adjusting the second user for local area, to reduce the interference to the upstream rate of the first user.So as to which, the embodiment of the present invention can reduce the interference of the upstream rate to adjacent area user, improve the upstream rate of the first user by reducing the uplink total emission power of local area.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of method and device for reducing uplink interference.
Background technology
In forth generation mobile communication system, user uplink rate is mainly influenced by uplink outer interference；Each local area
Base station all there are one or multiple adjacent base stations so that local area base station corresponds to the upstream rate of user, by its adjacent base station use
The interference at family.
Each base station there are member user and ordinary user, wherein, base station needs to ensure the upstream rate of member user,
In the prior art, the method being randomly assigned using the uplink user progress Physical Resource Block to local area base station, can not be dropped well
Interference of the low adjacent base station user to member user's upstream rate so that the upstream rate improvement effect of member user is poor.
Invention content
The embodiment of the present invention is the technical problem to be solved is that a kind of method for reducing uplink interference is provided, to solve now
There is the problem of technology can not preferably reduce uplink outer interference.
Correspondingly, the embodiment of the present invention additionally provides a kind of device for reducing uplink interference, to ensure the above method
It realizes and applies.
The invention discloses a kind of methods for reducing uplink interference, specifically include：Local area receives the adjustment that adjacent area is sent and refers to
It enables, the adjust instruction is that the adjacent area determines to send when the first user accesses adjacent area network；Judge local area with the presence or absence of upper
Row performance parameter meets the second user of regularization condition；Local area is determined there are during the second user, by adjusting described second
User reduces the uplink total emission power of local area, to reduce the interference to the upstream rate of the first user.
Optionally, each performance subparameter is obtained from the user information of acquisition and judges that each performance subparameter is respectively
It is no to meet the corresponding sub- condition of performance；When performance subparameter each in the user information is satisfied by the sub- condition of corresponding performance,
The user is determined as second user；Wherein, the ascending performance parameter includes following performance subparameter：Uplink transmission power
Subparameter, Signal to Noise Ratio (SNR) subparameter, modulation coding scheme MCS subparameters and service resources rate subparameter；The regularization condition
Including the sub- condition of following performance：The sub- condition of power, the sub- condition of Signal to Noise Ratio (SNR), modulation coding scheme MCS conditions and traffic resources
Sub- condition.
Optionally, the uplink total emission power of local area is reduced by reducing the uplink transmission power of the second user；With/
Or, reduce the uplink total emission power of local area by removing the second user from local area network.
Optionally, the uplink transmission power of the second user is reduced according to default step-length；It is upper when the second user
When row transmission power meets professional qualification, the step for the uplink transmission power that the second user is reduced according to default step-length is performed
Suddenly；When the uplink transmission power of the second user is unsatisfactory for professional qualification, the uplink transmission power of second user is restored
Value to before this reduction；Wherein, the professional qualification is to obtain service resources with scheduled rate.
Optionally, according to preset ratio, determine third user's and fourth user, wherein, the third user is second
The user of reduction uplink transmission power is needed in user, fourth user is the use for needing to remove from local area network in second user
Family；It reduces the uplink transmission power of the third user and the fourth user is removed from local area network.
Optionally, the uplink closed-loop power control of the second user is closed.
Optionally, local area receives the END instruction that adjacent area is sent, and the END instruction is that the adjacent area determines described first
User disconnects what is sent during the network connection of adjacent area；Stop performing and judge the step of local area whether there is second user.
The invention also discloses a kind of devices for reducing uplink interference, applied on local area, specifically include：Adjust instruction connects
Module is received, for receiving the adjust instruction of adjacent area transmission, the adjust instruction is that the adjacent area determines that the first user accesses adjacent area
It is sent during network；Judgment module meets the second user of regularization condition for judging local area with the presence or absence of ascending performance parameter；
User adjusts module, for determining that there are during the second user, the upper of local area is reduced by adjusting the second user for local area
Row total emission power, to reduce the interference to the upstream rate of the first user.
Optionally, parameter acquiring submodule, for obtaining each performance subparameter and difference from the user information of acquisition
Judge whether each performance subparameter meets the corresponding sub- condition of performance；First determination sub-module, for working as in the user information
When each performance subparameter is satisfied by corresponding performance sub- condition, the user is determined as second user；Wherein, it is described ascending
Energy parameter includes following performance subparameter：Uplink transmission power subparameter, Signal to Noise Ratio (SNR) subparameter, modulation coding scheme MCS
Parameter and service resources rate subparameter；The regularization condition includes the sub- condition of following performance：The sub- condition of power, Signal to Noise Ratio (SNR)
Sub- condition, the sub- condition of modulation coding scheme MCS conditions and traffic resources.
Optionally, power reduces submodule, for passing through the uplink transmission power reduction local area for reducing the second user
Uplink total emission power；User removes submodule, for reducing local area by removing the second user from local area network
Uplink total emission power.
Optionally, transmission power reduces unit, emits work(for reducing the uplink of the second user according to default step-length
Rate；Adjustment unit, for when the uplink transmission power of the second user meets professional qualification, performing and being dropped according to default step-length
The step of uplink transmission power of the low second user；When the uplink transmission power of the second user is unsatisfactory for professional qualification
When, the uplink transmission power of second user is restored to the value before this reduction；Wherein, the professional qualification is with scheduled rate
Obtain service resources.
Optionally, the second determination sub-module, for according to preset ratio, determining third user and fourth user, wherein, institute
It is the user for needing to reduce uplink transmission power in second user to state third user, and fourth user is needed in second user from this
The user removed in area's network；The power reduces submodule, for reducing the uplink transmission power of the third user；It is described
User removes submodule, for removing the fourth user from local area network.
Optionally, power control closedown module, for closing the uplink closed-loop power control of the second user.
Optionally, END instruction receiving module, for receiving the END instruction of adjacent area transmission, the END instruction is described
Adjacent area determines that first user disconnects what is sent during the network connection of adjacent area；Stopping judges that local area whether there is second user.
A kind of method for reduction uplink interference that the embodiment of the present invention proposes, it is adjacent when the first user accesses adjacent area network
Area can send adjust instruction to local area；After local area receives the adjust instruction, judge that local area is joined with the presence or absence of ascending performance
Number meets the second user of regularization condition；When it is present, then the uplink total emission power of local area is reduced by adjusting second user；
Since the uplink outer of adjacent area the first user uplink rate interferes, essentially from the interference of the uplink total emission power of local area, from
And the embodiment of the present invention can be by reducing the uplink total emission power of local area, the preferable local area that reduces is to the first user of adjacent area
Upstream rate uplink outer interference, improve the first user upstream rate.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step flow chart of the embodiment of the method for reduction uplink interference of the present invention；
Fig. 2 is the step flow chart of another embodiment of the method for reducing uplink interference of the present invention；
Fig. 3 is the step flow chart of another embodiment of the method for reducing uplink interference of the present invention；
Fig. 4 is the step flow chart of another embodiment of the method for reducing uplink interference of the present invention；
Fig. 5 is a kind of structure diagram of the device embodiment of reduction uplink interference of the present invention；
Fig. 6 is the structure diagram of another device embodiment for reducing uplink interference of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
In order to preferably be illustrated to the embodiment of the present invention, the local area of base station and adjacent area are introduced first；Base station
After foundation, multiple areas can be included on each base station, each area corresponds to the user of the user, the referred to as area in the range of covering；Example
If a base station can include 3 areas, the angle that each area corresponds to covering is 120 degree；After the network optimization is completed, each area all deposits
Adjacent area in a neighboring cell list, neighboring cell list includes the area of this base station and the area of adjacent base station；Each area of same base station passes through
The inside of base station module communicates, and each cell of different base station is communicated by interconnection interface X2 between base station.Each area
Neighboring cell list is included with the area for the homogeneous-frequency adjacent-domain of same frequency point and with the area not in the alien frequencies adjacent area of same frequency point；Together
The uplink transmission power of frequency adjacent area generates the base station of external disturbance to the upstream rate of area user.
Embodiment one
With reference to Fig. 1, a kind of step flow chart of the embodiment of the method for reduction uplink interference of the present invention is shown, it is specific to wrap
Include following steps：
Step 101, local area receive the adjust instruction that adjacent area is sent, and the adjust instruction is that the adjacent area determines the first user
Access what is sent during the network of adjacent area.
Due to the upstream rate of the first user of adjacent area, mainly influenced by the uplink transmission power of local area；Therefore, this hair
A kind of method for reduction uplink interference that bright embodiment proposes, i.e., can be by reducing local area after the first user enters adjacent area
Uplink total emission power, come reduce by the uplink outer of first user interference；Wherein, first user can be adjacent area
Member user or adjacent area test user, the area for the network belonging that the embodiment of the present invention accesses member user is true
It is set to adjacent area；All homogeneous-frequency adjacent-domains in the neighboring cell list of the adjacent area are determined as local area；Wherein, any of each base station
Area can be adjacent area or local area.After any user enters adjacent area, sending network connection to the base station of the adjacent area please
It asks；After the base station of the adjacent area receives the network connecting request of the user, user's letter in the network connecting request
Breath, when to determine the user be the first user, it is determined that the first user has accessed adjacent area network.The base station of adjacent area determines the first user
After accessing adjacent area network, the base station of adjacent area sends adjust instruction to the base station of each local area；Wherein, the adjust instruction is to adjust this
The instruction of the uplink total emission power in area, for reducing the uplink total emission power of local area.Each local area receives what adjacent area was sent
Then adjust instruction is handled the user of local area accordingly, specifically as described in subsequent step.
Step 102 judges that local area meets the second user of regularization condition with the presence or absence of ascending performance parameter.
Step 103 determines that there are during the second user, the uplink of local area is reduced by adjusting the second user for local area
Total emission power, to reduce the interference to the upstream rate of the first user.
After local area receives the adjust instruction, you can enter the flow for the uplink total emission power for reducing local area；Wherein,
The mode for reducing the uplink total emission power of local area is the uplink user in local area can be adjusted, to local area in local area
Base station upload request or data user, referred to as local area uplink user.The uplink total emission power of local area is being reduced to neighbour
It, can be only on the part of local area in order to reduce the influence to local area uplink user while the interference of area's user uplink rate
Row user is adjusted, wherein, the part uplink user can be the user that its uplink performance parameter meets regularization condition；Tool
Body, after local area receives the adjustment order, it can judge that the user's is ascending according to the information of the user received
Whether energy parameter meets regularization condition, and when the ascending performance parameter of the user meets the regularization condition, which is determined
For second user.In the embodiment of the present invention, the second user is the user that ascending performance parameter meets regularization condition in local area；
The ascending performance parameter is to emit the relevant parameter of signal with user uplink, and the ascending performance parameter can include multiple property
Energy subparameter, such as uplink transmission power subparameter, signal-to-noise ratio (signal-to-noise ratio, SNR) subparameter etc.；Institute
It is for determining the user for needing to be adjusted to state regularization condition, can include the sub- condition of the sub- condition of multiple performances such as power,
SNR conditions etc..Local area determines that there are during second user, then the uplink transmitting of local area can be reduced by adjusting second user
General power；Wherein, uplink transmission powers that are a variety of, such as reducing second user are included to the mode of second user adjustment.
A kind of method for reduction uplink interference that the embodiment of the present invention proposes, it is adjacent when the first user accesses adjacent area network
Area can send adjust instruction to local area；After local area receives the adjust instruction, judge that local area is joined with the presence or absence of ascending performance
Number meets the second user of regularization condition；When it is present, then the uplink total emission power of local area is reduced by adjusting second user；
It is the principal element of the uplink outer interference of adjacent area the first user uplink rate due to the uplink total emission power of local area, therefore,
The embodiment of the present invention can reduce local area well to the upper of the first user of adjacent area by reducing the uplink total emission power of local area
The uplink outer interference of scanning frequency rate improves the upstream rate of the first user.
The embodiment of the present invention can reduce the uplink total emission power of local area by adjusting second user, wherein, adjustment
There are many modes of second user, and a kind of mode is to reduce the uplink transmission power of each second user in local area；Another way
It is that the second user is removed from local area network；Also a kind of mode be reduce local area second user uplink transmission power and
The second user is removed from local area network；The mode for adjusting second user is illustrated below.
Embodiment two
The embodiment of the present invention illustrates the adjustment mode of the uplink transmission power of reduction second user.Reference Fig. 2,
It shows the step flow chart of another embodiment of the method for reducing uplink interference of the present invention, specifically includes following steps：
Step 201, local area receive the adjust instruction that adjacent area is sent.
It, can be to local area in order to improve the upstream rate of the first user when adjacent area determines that the first user accesses adjacent area network
Adjust instruction is sent, so that local area can reduce its uplink total emission power；After local area receives adjust instruction, then reduction is performed
The relevant operation of its uplink total emission power.
Step 202 judges that local area meets the second user of regularization condition with the presence or absence of ascending performance parameter；If so, it holds
Row step 203；If it is not, the step of then performing end.
Each uplink user will be asked by certain uplink transmission power in the embodiment of the present invention or data, uplink transmit
To the base station of local area；Each uplink user corresponds to a uplink transmission power, the uplink transmitting of all uplink users in local area
The uplink total emission power of the summation of power, as local area；Therefore, after local area receives adjust instruction, local area can be first determined
In ascending performance parameter meet the second user of regularization condition, then reduce the uplink transmission power of the second user.Specifically
, judge to include the step of whether there is the second user in local area：Uplink user can send to local area base station and ask, with
Corresponding data are obtained from local area base station；Wherein, the request includes user information；Local area base station receives uplink user transmission
User information after, uplink user ascending performance parameter can be obtained from the user information of reception, wherein described is ascending
Energy parameter can include multiple performance subparameters：Uplink transmission power subparameter, SNR subparameters, modulation coding scheme
(Modulation and Coding Scheme, MCS) subparameter and service resources rate subparameter, wherein, the business money
Source rate subparameter can be calculated according to Physical Resource Block and MCS；It can also include other performance subparameters, herein not
It enumerates.Then judge whether each performance subparameter meets the corresponding sub- condition of performance respectively；When each performance of uplink user
When subparameter is satisfied by corresponding performance sub- condition, then the uplink user can be determined as second user；Wherein, the performance
Sub- condition is the sub- condition of performance that the regularization condition includes：The sub- condition of power, the sub- condition of Signal to Noise Ratio (SNR), modulation coding scheme
Sub- condition of MCS conditions and traffic resources etc. can also include the sub- condition of other performances, not enumerate herein；Wherein, institute
Performance subparameter is stated to correspond with the sub- condition of the performance.
Below by taking above-mentioned four individual characteies energy subparameter and corresponding four individual characteies energon condition as an example, to judging that local area whether there is
The method of second user illustrates.The sub- condition of each performance can be pre-set, wherein, the sub- condition of power：User's is upper
Row transmission power is more than power threshold such as 22dB, that is, meets the sub- condition of power；The sub- condition of Signal to Noise Ratio (SNR)：The uplink SNR of user is small
In SNR threshold values such as 40dB, as meet the sub- condition of Signal to Noise Ratio (SNR)；Modulation coding scheme MCS conditions：The MCS value of user is more than
MCS threshold values such as 5 meet modulation coding scheme MCS conditions；The sub- condition of service resources rate：User obtains service resources
Rate is not less than 50kbps, that is, meets the sub- condition of service resources；Wherein, the subconditional threshold value of each performance can be according to local area reality
Network performance is set.If each performance subparameter that local area base station gets user from user information is respectively：Uplink emits work(
Rate is 23dB, and SNR 30dB, MCS value 15, the rate for obtaining service resources is 300kbps；The user can be then determined as
Second user.
After local area base station determines local area there are second user, the uplink transmission power of the second user can be reduced, is had
Body reduces the step of uplink transmission power of second user, specific as follows：
Step 203, the uplink transmission power that the second user is reduced according to default step-length.
In the uplink transmission power for reducing second user, the uplink of second user hair can be reduced according to default step-length
Power is penetrated, the default step-length is to adjust the interval of second user uplink transmission power；Preferably, in order to ensure the smoothness of network
Property, the predesigned compensation can be set as 1dB, for example, when the uplink transmission power of second user is 23dB, after performing step 203,
The uplink transmission power of second user is 22dB.It local area base station, can be to second user transmission power after second user is determined
Control instruction (Transmitter Power Control, TPC)；After second user receives TPC command, then according to default step
It is long to reduce the uplink transmission power of itself.
Step 204 judges whether the uplink transmission power of second user meets professional qualification；If so, perform step
203；If it is not, then perform step 205.
After the embodiment of the present invention reduces the uplink transmission power of second user according to predesigned compensation every time, it is required for judgement the
Whether the uplink transmission power of two users meets professional qualification, and the professional qualification is to obtain service resources with scheduled rate；One
As, service quality rating mark (QoS Class Identifier, QCI) grade is divided into nine grades, QCI1-QCI9, industry
Business grade also reduces step by step.Wherein, the corresponding business of QCI9 grades is the business of the types such as browsing webpage；In order to not influence
The business demand of two users, the time that scheduled rate can correspond to service resources according to acquisition QCI grades determine, it is preferred that pre-
If the time that rate can correspond to service resources according to the minimum QCI grades of acquisition is set, if 6s opens webpage, if webpage is
900k；Then scheduled rate is then 150kbps.After second user reduces power according to default step-length, local area can be estimated according to MCS
Combination with Physical Resource Block calculates, it may be determined that second user obtains service resources rate, when the service resources rate of calculating
More than or equal to scheduled rate, it is determined that the uplink transmission power of second user meets professional qualification, you can step 203 is performed,
It can continue the uplink transmission power of reduction second user；If service resources rate is less than scheduled rate, it is determined that second user
Uplink transmission power be unsatisfactory for professional qualification, that is, perform step 205.
The uplink transmission power of second user is restored to the value before this reduction by step 205.
The embodiment of the present invention is while the uplink transmission power for improving the first user, it is also necessary to ensure that second user is certain
Business demand, therefore, when second user uplink transmission power reduce after, second user obtain service resources rate be less than
Scheduled rate, the then value before can restoring the uplink transmission power of second user to this to reduce；Such as：Scheduled rate is
60kbps, when the uplink transmission power of second user is 20dB, it is 33kbps to obtain service resources rate；And it is reduced to 19dB
Afterwards, it is 18kbps to obtain service resources rate, then can the uplink transmission power value of second user be restored to 20dB.
Step 206, the uplink closed-loop power control for closing the second user.
Since the base station of local area is in the uplink SNR miss the mark values for determining user, it can send and improve to second user
The instruction of uplink SNR；When the uplink closed loop industry control of the user is in the state opened, then according to the instruction of the uplink SNR,
Uplink SNR value is improved by increasing uplink transmission power.Therefore, emit work(to ensure can to reduce the uplink of second user
Rate in the uplink transmission power that second user is reduced according to default step-length, can close the uplink closed-loop power control of second user.
In addition, when the first user leaves adjacent area, the network connection of the first user and adjacent area then will disconnect；When the base of adjacent area
When determining first user that stands is disconnected adjacent area network connection, then END instruction can be sent to the base station of local area, that is, notify local area
Base station without according to adjust instruction perform it is corresponding adjustment operate；Wherein, the adjustment operation includes：Judge whether local area is deposited
In second user；And it determines, there are during second user, the uplink total emission power of local area to be reduced by adjusting second user.And
Also open the uplink closed-loop power control of second user.For having reduced the second user of uplink transmission power, local area base station can be sent out
Instruction is sent by the uplink transmission power of second user, the value being restored to before being reduced for the first time according to default step-length；It can also be into
The other processing of row, are not construed as limiting herein.
The embodiment of the present invention is mainly the uplink transmission power by reducing second user, to reduce the transmitting of the uplink of local area
General power；Specifically, the uplink transmission power of second user can be reduced according to default step-length, dropped every time according to default step-length
After the uplink transmission power of low second user, it can be determined that whether the uplink transmission power of second user meets professional qualification；If
Meet, then can continue to reduce the transmission power of second user according to default step-length, if not satisfied, then by the uplink of second user
Transmission power is restored to the value before this reduction；So as in the case of the business demand for ensureing second user, reduce local area
Uplink total emission power to reduce the interference to the first user uplink rate, improves the upstream rate of the first user.
Embodiment three
The embodiment of the present invention illustrates the adjustment mode that the second user is removed from local area network.Referring in particular to
Fig. 3, Fig. 3 show the step flow chart of another embodiment of the method for reducing uplink interference of the present invention, specifically include as follows
Step：
Step 301, local area receive the adjust instruction that adjacent area is sent.
Step 302 judges that local area meets the second user of regularization condition with the presence or absence of ascending performance parameter；If so, it holds
Row step 303；If it is not, the step of then performing end.
Step 301- steps 302, similar to above-mentioned steps 201- steps 202, details are not described herein.
Step 303 removes the second user from local area network.
The embodiment of the present invention is after second user is determined, without reducing the uplink transmission power of second user, directly by
Two users remove from local area network；Specifically, local area base station can send wireless heterogeneous networks instruction to second user
(Radio Resource Control, RRC) after second user receives RRC instructions, then can discharge its Internet resources, from
And reduce the uplink total emission power of local area.
The embodiment of the present invention is after determining local area there are second user, without constantly carrying out power to local area second user
The adjustment of reduction directly removes second user from local area network；Compared to the uplink transmission power for reducing second user
Mode, operation are easier；And the uplink total emission power of local area is reduced faster, it reduces to the dry of the upstream rate of the first user
It disturbs, so as to which the effect for improving the uplink emission rate of the first user is preferable.
Example IV
The embodiment of the present invention using the uplink for reducing second user in the uplink total emission power for reducing local area, being emitted
Power and the adjustment mode removed from local area network, illustrate, and with reference to Fig. 4, show that the another of the present invention reduces
The step flow chart of the embodiment of the method for row interference, specifically includes following steps：
Step 401, local area receive the adjust instruction that adjacent area is sent.
Step 402 judges that local area meets the second user of regularization condition with the presence or absence of ascending performance parameter, if so, holding
Row step 403；If it is not, the step of then performing end.
Step 401 and step 402, similar to above-mentioned steps 201 and step 202 respectively, details are not described herein.
Step 403, according to preset ratio, determine third user and fourth user.
The embodiment of the present invention can drop the uplink transmission power of the second user of a part after second user is determined
It is low, the second user of another part is removed from local area network, it is thus possible to meet the business need of a part of second user
It asks, and can preferably improve the uplink emission rate of the first user；Specifically, it can determine to need to drop according to preset ratio
First quantity of the second user of low uplink transmission power and determine the of the second user for needing to remove from local area network
Two quantity；Then the second user of first quantity in second user is determined to need to reduce the user of uplink transmission power, i.e., the
Three users determine the second user of the second quantity in second user to need the user removed from local area network, i.e., the 4th use
Family.Wherein, preset ratio is the ratio of the first quantity and the second quantity, can be set according to actual conditions.Specifically, determine the
The method of three users and fourth user can be randomly selected or be determined according to the SNR value of second user, can incite somebody to action
The relatively low user of SNR value is determined as fourth user；For example, preset ratio is 7:3, when second user is 100, third user 70
It is a, fourth user 30；30 minimum users of SNR value can be determined as to fourth user, other users are determined as third use
Family.After third user and fourth user is determined, step 404 and step 405 may be performed simultaneously.
Step 404, the uplink transmission power for reducing the third user.
Step 405 removes the fourth user from local area network.
Step 404 is specifically reduced in the uplink transmission power method and above-mentioned steps 203- steps 206 of the third user
Particular content is similar；Step 405 and above-mentioned steps 303 are similar, and details are not described herein.
The embodiment of the present invention reduces a part second when adjusting second user to reduce the uplink total emission power of local area
The uplink transmission power of user, and the second user of another part is removed from local area network；It is thus possible to ensure a part
While the business demand of user, the upstream rate of the first user can also be preferably improved.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as to a series of action group
It closes, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to
According to the embodiment of the present invention, certain steps may be used other sequences or be carried out at the same time.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented
Necessary to example.
Embodiment five
With reference to Fig. 5, a kind of device embodiment structure diagram for the reduction uplink interference for being the present invention, described device are shown
Applied on local area base station, it can specifically include following module：Adjust instruction receiving module 51, judgment module 52 and user's adjustment
Module 53, wherein,
Adjust instruction receiving module 51, for receiving the adjust instruction of adjacent area transmission, the adjust instruction is the adjacent area
Determine that the first user accesses what is sent during the network of adjacent area.
Judgment module 52 meets the second user of regularization condition for judging local area with the presence or absence of ascending performance parameter.
User adjusts module 53, for determining that local area there are during the second user, drops by adjusting the second user
The uplink total emission power of low local area, to reduce the interference to the upstream rate of the first user.
With reference to Fig. 6, the submodule that also included module and each module include to described device on the basis of Fig. 5 into
Row explanation.
Device described in the embodiment of the present invention includes：Adjust instruction receiving module 61, judgment module 62 and user adjust mould
Block 63 is above-mentioned have been discussed, and details are not described herein.Described device further includes：Power control closedown module 64 and END instruction receiving module
65, wherein,
Power control closedown module 64, for closing the uplink closed-loop power control of the second user.
END instruction receiving module 65, for receiving the END instruction of adjacent area transmission, the END instruction is the adjacent area
Determine that first user disconnects what is sent during the network connection of adjacent area；Stopping judges that local area whether there is second user.
The judgment module 62 of the embodiment of the present invention includes：621 and first determination sub-module of parameter acquiring submodule
622, wherein,
Parameter acquiring submodule 621, for obtaining each performance subparameter from the user information of acquisition and judging respectively
Whether each performance subparameter meets the corresponding sub- condition of performance.
First determination sub-module 622 is satisfied by corresponding performance for working as each performance subparameter in the user information
During condition, the user is determined as second user；
Wherein, the ascending performance parameter includes following performance subparameter：Uplink transmission power subparameter, Signal to Noise Ratio (SNR)
Subparameter, modulation coding scheme MCS subparameters and service resources rate subparameter；The regularization condition includes the sub- item of following performance
Part：The sub- condition of power, the sub- condition of Signal to Noise Ratio (SNR), the sub- condition of modulation coding scheme MCS conditions and traffic resources；
Second determination sub-module 623, for according to preset ratio, determining third user and fourth user, wherein, described
Three users are the users for needing to reduce uplink transmission power in second user, and fourth user is needed in second user from home network
The user removed in network.
The power reduces submodule, for reducing the uplink transmission power of the third user.
The user removes submodule, for removing the fourth user from local area network.
The adjustment module 63 of the embodiment of the present invention includes：Power reduces submodule 631 and user removes submodule
632, wherein,
Power reduces submodule 631, reduces the uplink transmission power of the second user for passing through and reduces local area
Row total emission power.
User removes submodule 632, for reducing the uplink of local area by removing the second user from local area network
Total emission power.
Power described in the embodiment of the present invention reduces submodule 631 and includes：Transmission power reduces unit 6311 and adjustment is single
Member 6312, wherein,
Transmission power reduces unit 6311, for reducing the uplink transmission power of the second user according to default step-length；
Adjustment unit 6312, for when the uplink transmission power of the second user meets professional qualification, perform according to
Default step-length reduces the step of uplink transmission power of the second user；When the uplink transmission power of the second user is discontented with
During sufficient professional qualification, the uplink transmission power of second user is restored to the value before this reduction；Wherein, the professional qualification is
Service resources are obtained with scheduled rate.
A kind of method for reduction uplink interference that the embodiment of the present invention proposes, it is adjacent when the first user accesses adjacent area network
Area can send adjust instruction to local area；After local area receives the adjust instruction, judge that local area is joined with the presence or absence of ascending performance
Number meets the second user of regularization condition；When it is present, then the uplink total emission power of local area is reduced by adjusting second user；
Since the uplink outer of adjacent area the first user uplink rate interferes, essentially from the interference of the uplink total emission power of local area, from
And the embodiment of the present invention can reduce local area well to the first user of adjacent area by reducing the uplink total emission power of local area
Upstream rate uplink outer interference, improve the first user upstream rate.
For device embodiment, since it is basicly similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, the highlights of each of the examples are with
The difference of other embodiment, just to refer each other for identical similar part between each embodiment.
Those of ordinary skill in the art may realize that the embodiment with reference to disclosed in the embodiment of the present invention describes each
Exemplary unit and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These
Function is performed actually with hardware or software mode, specific application and design constraint depending on technical solution.Profession
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit can refer to the corresponding process in preceding method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
It connects, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.
If the function is realized in the form of SFU software functional unit and is independent product sale or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially in other words
The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be
People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention.
And aforementioned storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can to store program code
Medium.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (14)
- A kind of 1. method for reducing uplink interference, which is characterized in that including：Local area receives the adjust instruction that adjacent area is sent, and the adjust instruction is that the adjacent area determines that the first user accesses adjacent area network When send；Judge that local area meets the second user of regularization condition with the presence or absence of ascending performance parameter；Determine that there are during the second user, the uplink total emission power of local area is reduced by adjusting the second user for local area, To reduce the interference to the upstream rate of the first user.
- 2. according to the method described in claim 1, it is characterized in that, the judgement local area meets with the presence or absence of uplink transmission power The step of second user of regularization condition, including：Each performance subparameter is obtained from the user information of acquisition and to judge whether each performance subparameter meets respectively corresponding The sub- condition of performance；When performance subparameter each in the user information is satisfied by the sub- condition of corresponding performance, the user is determined as second User；Wherein, the ascending performance parameter includes following performance subparameter：Uplink transmission power subparameter, Signal to Noise Ratio (SNR) ginseng Number, modulation coding scheme MCS subparameters and service resources rate subparameter；The regularization condition includes the sub- condition of following performance： The sub- condition of power, the sub- condition of Signal to Noise Ratio (SNR), the sub- condition of modulation coding scheme MCS conditions and traffic resources.
- 3. according to the method described in claim 1, it is characterized in that, the uplink hair of local area is reduced by adjusting the second user The step of firing association's power, including：The uplink total emission power of local area is reduced by the uplink transmission power for reducing the second user；And/orThe uplink total emission power of local area is reduced by removing the second user from local area network.
- 4. according to the method described in claim 3, it is characterized in that, reduce the step of the uplink transmission power of the second user Suddenly, including：The uplink transmission power of the second user is reduced according to default step-length；When the uplink transmission power of the second user meets professional qualification, perform reduces the second user according to default step-length Uplink transmission power the step of；When the uplink transmission power of the second user is unsatisfactory for professional qualification, the uplink transmission power of second user is restored Value to before this reduction；Wherein, the professional qualification is to obtain service resources with scheduled rate.
- 5. according to the method described in claim 3, it is characterized in that, reduce the uplink transmission power of the second user；With, from The step of second user being removed in local area network, including：According to preset ratio, determine third user's and fourth user, wherein, the third user is to need to drop in second user The user of low uplink transmission power, fourth user are the users for needing to remove from local area network in second user；It reduces the uplink transmission power of the third user and the fourth user is removed from local area network.
- 6. according to the method described in claim 4, it is characterized in that, in the uplink that the second user is reduced according to default step-length During transmission power, further include：Close the uplink closed-loop power control of the second user.
- 7. it according to the method described in claim 1, it is characterized in that, further includes：Local area receives the END instruction that adjacent area is sent, and the END instruction is that the adjacent area determines that first user disconnects adjacent area It is sent during network connection；Stop performing and judge the step of local area whether there is second user.
- 8. a kind of device for reducing uplink interference, which is characterized in that applied on local area base station, including：Adjust instruction receiving module, for receiving the adjust instruction of adjacent area transmission, the adjust instruction is that the adjacent area determines the One user accesses what is sent during the network of adjacent area；Judgment module meets the second user of regularization condition for judging local area with the presence or absence of ascending performance parameter；User adjusts module, for determining that there are during the second user, local area is reduced by adjusting the second user for local area Uplink total emission power, to reduce the interference to the upstream rate of the first user.
- 9. the device according to right wants 8, which is characterized in that the judgment module includes：Parameter acquiring submodule, for obtaining each performance subparameter from the user information of acquisition and judging each performance respectively Whether subparameter meets the corresponding sub- condition of performance；First determination sub-module, for when performance subparameter each in the user information is satisfied by the sub- condition of corresponding performance, The user is determined as second user；Wherein, the ascending performance parameter includes following performance subparameter：Uplink transmission power subparameter, Signal to Noise Ratio (SNR) ginseng Number, modulation coding scheme MCS subparameters and service resources rate subparameter；The regularization condition includes the sub- condition of following performance： The sub- condition of power, the sub- condition of Signal to Noise Ratio (SNR), the sub- condition of modulation coding scheme MCS conditions and traffic resources.
- 10. device according to claim 8, which is characterized in that the adjustment module includes：Power reduces submodule, total for passing through the uplink transmitting for the uplink transmission power reduction local area for reducing the second user Power；User removes submodule, and the uplink for reducing local area by removing the second user from local area network emits total work Rate.
- 11. device according to claim 10, which is characterized in that the power reduces submodule and includes：Transmission power reduces unit, for reducing the uplink transmission power of the second user according to default step-length；Adjustment unit, for when the uplink transmission power of the second user meets professional qualification, performing according to default step-length The step of reducing the uplink transmission power of the second user；When the uplink transmission power of the second user is unsatisfactory for business item During part, the uplink transmission power of second user is restored to the value before this reduction；Wherein, the professional qualification is with default speed Rate obtains service resources.
- 12. device according to claim 10, which is characterized in that the adjustment module includes：Second determination sub-module, for according to preset ratio, determining third user and fourth user, wherein, the third user It is the user for needing to reduce uplink transmission power in second user, fourth user is to need to move from local area network in second user The user removed；The power reduces submodule, for reducing the uplink transmission power of the third user；The user removes submodule, for removing the fourth user from local area network.
- 13. according to the devices described in claim 11, which is characterized in that further include：Power control closedown module, for closing the uplink closed-loop power control of the second user.
- 14. device according to claim 8, which is characterized in that further include：END instruction receiving module, for receiving the END instruction of adjacent area transmission, the END instruction is that the adjacent area determines institute It states the first user and disconnects what is sent during the network connection of adjacent area；Stopping judges that local area whether there is second user.
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