CN106879061A - A kind of method and apparatus for carrying out interference coordination - Google Patents

A kind of method and apparatus for carrying out interference coordination Download PDF

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Publication number
CN106879061A
CN106879061A CN201510918934.8A CN201510918934A CN106879061A CN 106879061 A CN106879061 A CN 106879061A CN 201510918934 A CN201510918934 A CN 201510918934A CN 106879061 A CN106879061 A CN 106879061A
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CN
China
Prior art keywords
terminal
power adjustment
adjustment group
adjusted value
group
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CN201510918934.8A
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Chinese (zh)
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CN106879061B (en
Inventor
贾保灵
彦楠
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN201510918934.8A priority Critical patent/CN106879061B/en
Publication of CN106879061A publication Critical patent/CN106879061A/en
Application granted granted Critical
Publication of CN106879061B publication Critical patent/CN106879061B/en
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Classifications

    • 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
    • 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
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/283—Power depending on the position of the mobile

Abstract

The present embodiments relate to wireless communication technology field, more particularly to a kind of method and apparatus for carrying out interference coordination, it is used to solve current power control scheme present in prior art in the case of system high load capacity, the interference that edge customer is subject to can be than larger problem.The embodiment of the present invention determines the adjusted value of the power adjustment group belonging to the terminal；According to the adjusted value for determining, power to the terminal is adjusted, wherein described power adjustment group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, the second adjustment cycle of the first adjustment cycle less than slow power adjustment group of fast power adjustment group.Because the adjustment group belonging to basis determines adjustment amount, such that it is able to effectively reduce adjacent area interference, edge customer speed is lifted on the premise of reduction throughput of system as few as possible.

Description

A kind of method and apparatus for carrying out interference coordination
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of method for carrying out interference coordination and set It is standby.
Background technology
In communication system under identical networking, interference can be one than more serious problem, especially edge customer The interference being subject to can be than larger.
LTE (Long Term Evolution, Long Term Evolution) system physical layer uses OFDM (Orthogonal Frequency Division Multiplexing, OFDM) technology, the different use of same cell Running time-frequency resource staggers between family, relatively small, identical networking between cell is disturbed, although minizone physics Layer employs different scrambling coding techniques, but still the influence that cannot be avoided interference.
At present, ICIC (does Inter-cell Intereference coordination, minizone in LTE system Disturb coordination), Comp (Coordinated Multipoint Transmission/Reception, multipoint cooperative pass It is defeated), Power Control etc. it is various to jamproof measure and algorithm.
The more commonly used power control scheme：Using Shannon's theorems, by the transmitting for reducing high s/n ratio user The mode of power, the transmission power of lifting low signal-to-noise ratio user, power is applied in performance boost as far as possible On maximally effective user, although the performance but lifting system average behavior of sacrificial section central user, especially The performance of edge customer.
For power control scheme：The power for lifting edge customer is possible to bring bigger adjacent area to disturb, especially It is that in the case of high load capacity, the resource of adjacent area edge customer may be knocked, and causes adjacent area to be disturbed and aggravates, shadow Ring the performance of power control algorithm.
In sum, in the case of system high load capacity, what edge customer was subject to disturbs current power control scheme Can be than larger.
The content of the invention
The present invention provides a kind of method and apparatus for carrying out interference coordination, is used to solve present in prior art In the case of system high load capacity, the interference that edge customer is subject to can be asked current power control scheme than larger Topic.
A kind of method for carrying out interference coordination provided in an embodiment of the present invention, the method includes：
According to the efficiency of transmission of terminal, the power adjustment group belonging to the terminal is determined, wherein the power is adjusted Whole group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, the of fast power adjustment group Second adjustment cycle of the one adjustment cycle less than slow power adjustment group；
Determine the adjusted value of the power adjustment group belonging to the terminal；
According to the adjusted value for determining, the power to the terminal is adjusted.
The embodiment of the present invention determines the adjusted value of the power adjustment group belonging to the terminal；According to determining Adjusted value, the power to the terminal is adjusted, wherein the power adjustment group includes multiple fast powers Adjustment group and/or multiple slow power adjustment groups, the first adjustment cycle of fast power adjustment group is less than work(at a slow speed The second adjustment cycle of rate adjustment group.Because the adjustment group belonging to basis determines adjustment amount, such that it is able to effective Adjacent area interference is reduced, edge customer speed is lifted on the premise of reduction throughput of system as few as possible.
Optionally, the power adjustment group includes multiple slow power adjustment groups；According to the efficiency of transmission of terminal, Determine the power adjustment group belonging to the terminal, including：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission；
The power adjustment group includes multiple fast power adjustment groups；According to the efficiency of transmission of terminal, institute is determined The power adjustment group belonging to terminal is stated, including：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the coordinated multipoint transmission Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and slow power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
Optionally, the Comp information is the information for indicating whether successfully Comp；
The information for representing efficiency of transmission is including part or all of in following message：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The channel quality indicator CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
Optionally, the power adjustment group includes multiple fast power adjustment groups；
Determine the adjusted value of the power adjustment group belonging to the terminal, including：
If it is determined that the modulation coding mode MCS grades of the terminal are less than default MCS grades, and the work( Rate adjustment group includes multiple slow power adjustment groups, then the tune according to the terminal in fast power adjustment group The adjusted value of the slow power adjustment group belonging to whole value and the terminal, determines that the power belonging to the terminal is adjusted The adjusted value of whole group；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
Optionally, it is slow belonging to the adjusted value and the terminal according to the terminal in fast power adjustment group The adjusted value of fast power adjustment group, determines the adjusted value of the power adjustment group belonging to the terminal, including：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
Optionally, according to MCS rank differences away from the corresponding relation with adjusting step value, the terminal MCS is determined The corresponding adjusting step value of gap between grade and default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
Optionally, determine after the adjusted value of power adjustment group belonging to the terminal, also include：
By the MCS level adjustments of the terminal to default MCS grades.
Optionally, the adjusted value of the power adjustment group belonging to the terminal is determined, including：
If the power adjustment group includes multiple fast power adjustment groups, and described in the current first adjustment cycle eventually Fast power adjustment group belonging to end changes, then the tune according to the terminal in fast power adjustment group Whole value determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
The equipment that another kind provided in an embodiment of the present invention carries out interference coordination, the method includes：
Grouping module, for the efficiency of transmission according to terminal, determines the power adjustment group belonging to the terminal, Wherein described power adjustment group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, quickly Second adjustment cycle of the first adjustment cycle of power adjustment group less than slow power adjustment group；
Adjustment determining module, the adjusted value for determining the power adjustment group belonging to the terminal；
Power regulation module, for according to the adjusted value for determining, the power to the terminal to be adjusted.
The embodiment of the present invention determines the adjusted value of the power adjustment group belonging to the terminal；According to determining Adjusted value, the power to the terminal is adjusted, wherein the power adjustment group includes multiple fast powers Adjustment group and/or multiple slow power adjustment groups, the first adjustment cycle of fast power adjustment group is less than work(at a slow speed The second adjustment cycle of rate adjustment group.Because the adjustment group belonging to basis determines adjustment amount, such that it is able to effective Adjacent area interference is reduced, edge customer speed is lifted on the premise of reduction throughput of system as few as possible.
Optionally, the power adjustment group includes multiple slow power adjustment groups；The grouping module is specifically used In：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission；
The power adjustment group includes multiple fast power adjustment groups；The grouping module specifically for：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and slow power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
Optionally, the Comp information is the information for indicating whether successfully Comp；
The information for representing efficiency of transmission is including part or all of in following message：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
Optionally, the power adjustment group includes multiple fast power adjustment groups；
Adjustment determining module specifically for：
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group includes Multiple slow power adjustment groups, the then adjusted value according to the terminal in fast power adjustment group and the end The adjusted value of the slow power adjustment group belonging to end, determines the adjustment of the power adjustment group belonging to the terminal Value；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
Optionally, it is described adjustment determining module specifically for：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
Optionally, the adjustment determining module according to following manner specifically for determining the terminal quick Adjusted value in power adjustment group：
According to MCS rank differences away from the corresponding relation with adjusting step value, determine the terminal MCS grades and The corresponding adjusting step value of gap between default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
Optionally, the adjustment determining module is additionally operable to：
After determining the adjusted value of power adjustment group belonging to the terminal, by the MCS grades of the terminal It is adjusted to default MCS grades.
Optionally, it is described adjustment determining module specifically for：
If the power adjustment group includes multiple fast power adjustment groups, and described in the current first adjustment cycle eventually Fast power adjustment group belonging to end changes, then the tune according to the terminal in fast power adjustment group Whole value determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
Brief description of the drawings
Fig. 1 carries out the method flow schematic diagram of interference coordination for the embodiment of the present invention；
Fig. 2 carries out the complete method schematic flow sheet of interference coordination for the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention the first carry out the network side equipment structural representation of interference coordination；
Fig. 4 is the network side equipment structural representation that the embodiment of the present invention carries out interference coordination for second.
Specific embodiment
The embodiment of the present invention determines the adjusted value of the power adjustment group belonging to the terminal；According to determining Adjusted value, the power to the terminal is adjusted, wherein the power adjustment group includes multiple fast powers Adjustment group and/or multiple slow power adjustment groups, the first adjustment cycle of fast power adjustment group is less than work(at a slow speed The second adjustment cycle of rate adjustment group.Because the adjustment group belonging to basis determines adjustment amount, such that it is able to effective Adjacent area interference is reduced, edge customer speed is lifted on the premise of reduction throughput of system as few as possible.
The embodiment of the present invention is described in further detail with reference to Figure of description.
As shown in figure 1, the method that the embodiment of the present invention carries out interference coordination includes：
Step 100, the efficiency of transmission according to terminal, determine the power adjustment group belonging to the terminal, wherein The power adjustment group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, fast power Second adjustment cycle of the first adjustment cycle of adjustment group less than slow power adjustment group；
Step 101, the adjusted value for determining power adjustment group belonging to the terminal；
Step 102, the adjusted value according to determination, the power to the terminal are adjusted.
The embodiment of the present invention pre-sets different adjustment groups.Each adjustment group corresponds to a kind of adjusted value. Adjusted value is if just, then explanation needs to improve power；If adjusted value is negative, illustrate to need to reduce work( Rate；If adjusted value is 0, illustrate to keep current power not to be adjusted.
Optionally, the adjustment group of the embodiment of the present invention can include quick adjustment group and/or slow-action whole group.
Quick adjustment group is different with the slow-action whole group adjustment cycle.The first adjustment cycle of fast power adjustment group Less than slow power adjustment group second adjusts the cycle.
In force, according to the respective adjustment cycle, after the arrival of corresponding adjustment time point, according to respective Adjusted value be adjusted.Such as first adjustment cycle, corresponding adjustment time point was reached, then existed according to terminal Adjusted value in fast power adjustment group is adjusted；Second adjustment cycle, corresponding adjustment time point was reached, Then the adjusted value according to terminal in fast power adjustment group is adjusted.
If specifically, the power adjustment group includes multiple fast power adjustment groups, and current first adjustment week Fast power adjustment group belonging to terminal described in phase changes, then adjusted in fast power according to the terminal Adjusted value in group determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
If the time point of the time point of fast power adjustment and slow power adjustment overlaps, respectively according to quick Adjustment group and the corresponding adjusted value of slow-action whole group are adjusted.
Optionally, the first adjustment cycle and the second adjustment cycle can be user class, or cell Rank, can also be that region class is other.
Such as the first adjustment cycle was user class, then the first adjustment cycle be it is corresponding with terminal, each The terminal corresponding first adjustment cycle can be with identical, it is also possible to different.
Specifically the corresponding adjusted value of adjustment group can rule of thumb, and the mode such as emulation sets.
The mode slow power adjustment group and fast power adjustment group of the specific packet of the embodiment of the present invention can be by It is grouped according to different modes, is illustrated separately below.
The group technology of mode one, slow power adjustment group
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission.
In force, group technology is that all online terminals are segmented according to certain condition, and different section power are carried Rise or decreasing value is different.The principle of segmentation is that signal to noise ratio terminal high reduces power, and signal to noise ratio drop higher Low power is more；Otherwise the low terminal hoisting power of signal to noise ratio, and the low power of signal to noise ratio more sinking is more. The method of power control packet can be with Comp (Coordinated Multipoint at a slow speed Transmission/Reception, coordinated multipoint transmission) it is identical, i.e., the position based on user is segmented：
Optionally, in the information for representing efficiency of transmission including but not limited to following message part or All：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
CQI (Channel Quality Indicator, channel quality is indicated) information of terminal；
The Traffic Channel spectrum efficiency of terminal.
1st, then may include whether to meet for representing the information of efficiency of transmission as group forming criterion using A3 The report condition of the power decreasing A3 events of configuration.
The corresponding relation of efficiency of transmission and slow power adjustment group is the power decreasing A3 events for meeting configuration The corresponding specific slow power adjustment group of report condition, and be unsatisfactory for the power decreasing A3 events of configuration The corresponding specific slow power adjustment group of report condition.
Optionally, the A3 that different thresholdings can be configured in force is reported, and reports thresholding more loose, is corresponded to Terminal location closer to center, signal to noise ratio is higher, and terminal belongs to the larger group of power ascension value；Otherwise such as The all A3 conditions of fruit terminal be satisfaction and report, then terminal location be edge, belong to power decreasing value compared with Big group.
If meeting the report condition of the power decreasing A3 events of configuration, can be assigned to and meet corresponding In group；
If be unsatisfactory for configuration power decreasing A3 events report condition, can be assigned to be unsatisfactory for it is right In the group answered.
2nd, then may include whether to meet for representing the information of efficiency of transmission as group forming criterion using A2 The power of configuration raises the report condition of A2 events.
The corresponding relation of efficiency of transmission and slow power adjustment group is that the power for meeting configuration raises A2 events The corresponding specific slow power adjustment group of report condition, and be unsatisfactory for the power rise A2 events of configuration The corresponding specific slow power adjustment group of report condition.
If the power for meeting configuration raises the report condition of A2 events, can be assigned to and meet corresponding In group；
If the power that does not configure raises the report condition of A2 events, can be assigned to be unsatisfactory for it is corresponding In group.
3rd, the CQI information of terminal can then include as group forming criterion for representing the information of efficiency of transmission The CQI information of terminal.
The corresponding relation of efficiency of transmission and slow power adjustment group is CQI information and slow power adjustment group Corresponding relation.
Optionally, the corresponding relation of efficiency of transmission and slow power adjustment group can also be the scope of CQI information With the corresponding relation of slow power adjustment group；
Accordingly, the scope according to belonging to the corresponding CQI information of the terminal, it may be determined that terminal is corresponding Slow power adjustment group.
4th, the Traffic Channel spectrum efficiency of terminal, then can include terminal for representing the information of efficiency of transmission Traffic Channel spectrum efficiency.
The corresponding relation of efficiency of transmission and slow power adjustment group is Traffic Channel spectrum efficiency and slow power The corresponding relation of adjustment group.
Optionally, the corresponding relation of efficiency of transmission and slow power adjustment group can also be that Traffic Channel frequency spectrum is imitated The scope of rate and the corresponding relation of slow power adjustment group；
Accordingly, the scope according to belonging to the corresponding Traffic Channel spectrum efficiency of the terminal, it may be determined that eventually Hold corresponding slow power adjustment group.
If the information according to the terminal determines the information for representing efficiency of transmission, transmitted for representing The information of efficiency is different, and the information of terminal is also differed.
Such as it is used to represent that the information of efficiency of transmission includes whether to meet the power decreasing A3 events of configuration Tape part, then the information of terminal is A3 reporting events；
Information for representing efficiency of transmission includes whether that the power for meeting configuration raises the upper tape of A2 events Part, then the information of terminal is A2 reporting events；
Information for representing efficiency of transmission includes the CQI information of terminal, then the information of terminal is revised Or the CQI value of terminal to report is in setting range；
Information for representing efficiency of transmission includes the Traffic Channel spectrum efficiency of terminal, then the information of terminal is The spectrum efficiency of the terminal of statistics is in setting range.
The group technology of mode two, fast power adjustment group
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and fast power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
Here the Comp information is the information for indicating whether successfully Comp.
In force, if terminal is edge termination, and Comp successes (i.e. CS (cooperative scheduling)/JT (connection Close transmission)/JR (joint is received) pre-schedulings success), then the terminal belongs to rapid power control power ascension group；
If user is edge termination and Comp failures (i.e. CS/JT/JR pre-schedulings failure), terminal category In rapid power control power reduction group；
The other users for being unsatisfactory for above-mentioned condition belong to the uncomfortable whole group of rapid power control power.
Optionally, in the information for representing efficiency of transmission including but not limited to following message part or All：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
1st, then may include whether to meet for representing the information of efficiency of transmission as group forming criterion using A3 The report condition of the power decreasing A3 events of configuration.
The corresponding relation of efficiency of transmission and fast power adjustment group is the power decreasing A3 events for meeting configuration The corresponding specific fast power adjustment group of report condition, and be unsatisfactory for the power decreasing A3 events of configuration The corresponding specific fast power adjustment group of report condition.
Optionally, the A3 that different thresholdings can be configured in force is reported, and reports thresholding more loose, is corresponded to Terminal location closer to center, signal to noise ratio is higher, and terminal belongs to the larger group of power ascension value；Otherwise such as The all A3 conditions of fruit terminal be satisfaction and report, then terminal location be edge, belong to power decreasing value compared with Big group.
If meeting the report condition of the power decreasing A3 events of configuration, can be assigned to and meet corresponding In group；
If be unsatisfactory for configuration power decreasing A3 events report condition, can be assigned to be unsatisfactory for it is right In the group answered.
2nd, then may include whether to meet for representing the information of efficiency of transmission as group forming criterion using A2 The power of configuration raises the report condition of A2 events.
The corresponding relation of efficiency of transmission and fast power adjustment group is that the power for meeting configuration raises A2 events The corresponding specific fast power adjustment group of report condition, and be unsatisfactory for the power rise A2 events of configuration The corresponding specific fast power adjustment group of report condition.
If the power for meeting configuration raises the report condition of A2 events, can be assigned to and meet corresponding In group；
If the power that does not configure raises the report condition of A2 events, can be assigned to be unsatisfactory for it is corresponding In group.
3rd, the CQI information of terminal can then include as group forming criterion for representing the information of efficiency of transmission The CQI information of terminal.
The corresponding relation of efficiency of transmission and fast power adjustment group is CQI information and fast power adjustment group Corresponding relation.
Optionally, the corresponding relation of efficiency of transmission and fast power adjustment group can also be the scope of CQI information With the corresponding relation of fast power adjustment group；
Accordingly, the scope according to belonging to the corresponding CQI information of the terminal, it may be determined that terminal is corresponding Fast power adjustment group.
4th, the Traffic Channel spectrum efficiency of terminal, then can include terminal for representing the information of efficiency of transmission Traffic Channel spectrum efficiency.
The corresponding relation of efficiency of transmission and fast power adjustment group is Traffic Channel spectrum efficiency and fast power The corresponding relation of adjustment group.
Optionally, the corresponding relation of efficiency of transmission and fast power adjustment group can also be that Traffic Channel frequency spectrum is imitated The scope of rate and the corresponding relation of fast power adjustment group；
Accordingly, the scope according to belonging to the corresponding Traffic Channel spectrum efficiency of the terminal, it may be determined that eventually Hold corresponding fast power adjustment group.
If the information according to the terminal determines the information for representing efficiency of transmission, transmitted for representing The information of efficiency is different, and the information of terminal is also differed.
Such as it is used to represent that the information of efficiency of transmission includes whether to meet the power decreasing A3 events of configuration Tape part, then the information of terminal is A3 reporting events；
Information for representing efficiency of transmission includes whether that the power for meeting configuration raises the upper tape of A2 events Part, then the information of terminal is A2 reporting events；
Information for representing efficiency of transmission includes the CQI information of terminal, then the information of terminal is revised Or the CQI value of terminal to report is in setting range；
Information for representing efficiency of transmission includes the Traffic Channel spectrum efficiency of terminal, then the information of terminal is The spectrum efficiency of the terminal of statistics is in setting range.
In force, due to the mobility of terminal, the adjustment group of terminal can change.Report according to terminal is newest Information for representing efficiency of transmission or determined to transmit for representing according to the newest information of the terminal The information of efficiency, can update the ownership group of user.
After the adjustment group belonging to terminal is determined, it is possible to determine power adjustment group belonging to the terminal Adjusted value.
If power adjustment group only includes multiple slow power adjustment groups, or power adjustment group includes that multiple is fast Fast power adjustment group and fast power adjustment group, but only open the switch of slow power adjustment group, then may be used Using the adjusted value of the power adjustment group by the corresponding adjusted value of slow power adjustment group belonging to terminal.
If power adjustment group includes multiple fast power adjustment groups, the end can be determined according to following manner The adjusted value of the power adjustment group belonging to end：
If it is determined that the MCS (Modulation and coding scheme, modulation coding mode) of the terminal Grade is less than default MCS grades, and the power adjustment group includes multiple slow power adjustment groups, then root Adjusted value according to the terminal in fast power adjustment group and the slow power adjustment group belonging to the terminal Adjusted value, determine the adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
Optionally, adjusted value of the terminal in fast power adjustment group is determined according to following manner：
According to MCS rank differences away from the corresponding relation with adjusting step value, determine the terminal MCS grades and The corresponding adjusting step value of gap between default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
Such as fast power adjustment group has three, and adjustment direction is respectively upward, downward and does not adjust.
Terminal MCS grades are 7, and default MCS grades are 11, then MCS rank differences are away from being 4, root According to MCS rank differences away from the corresponding relation with adjusting step value be known that MCS rank differences away from be 4 adjustment step Long value is 2.And the fast power adjustment group adjustment direction belonging to terminal is upward, so it is known that eventually It is positive 2 to hold the adjusted value in fast power adjustment group.If the fast power adjustment group adjustment belonging to terminal Direction is downward, so it is known that adjusted value of the terminal in fast power adjustment group is minus 2.If Fast power adjustment group adjustment direction belonging to terminal is constant, avoids the need for determining adjusting step value, directly Can determine that adjusted value is 0.
Optionally, if terminal belongs to slow power adjustment group and needs to raise, and fast power tune is belonged to Whole group and need to lower, then adjusted value of the terminal in fast power adjustment group is no more than slow belonging to terminal The adjusted value of fast power adjustment group, i.e., quick corresponding adjusted value and corresponding adjusted value sum can not be small at a slow speed In 0.
It is slow belonging to the adjusted value and the terminal according to the terminal in fast power adjustment group based on this The adjusted value of fast power adjustment group, determines the adjusted value of the power adjustment group belonging to the terminal, including：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal：
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
If that is, the MCS grades of terminal are less than default MCS grades, and terminal is in fast power Adjusted value in adjustment group is negative value, and the adjusted value of slow power adjustment group is on the occasion of and negative value and on the occasion of it With less than 0, then by negative value be adjusted to on the occasion of sum be equal to 0.
Such as negative value is -5, on the occasion of being 4, then negative value is adjusted into -4.
Optionally, it is determined that after the adjusted value of power adjustment group belonging to the terminal, can also be described The MCS level adjustments of terminal are to default MCS grades.
The embodiment of the present invention it is determined that terminal each adjustment the cycle adjusted value after, if up, then just Adjusted value can be notified to corresponding terminal, so that terminal is adjusted after the cycle reaches；If under Capable then base station can determine to distribute to the final transmission power of the terminal according to the adjusted value, and power is carried out according to this The transmission of the subscriber signal.
Wherein, the executive agent of the embodiment of the present invention can be base station (such as macro base station, Home eNodeB etc.), Can also be RN (relaying) equipment, can also be other network side equipments.
The solution of the present invention is described in detail with an example below.
As shown in Fig. 2 the complete method that the embodiment of the present invention carries out interference coordination includes：
Step 201：Whether judgement is switched at a slow speed opens, if opened, into step 202, otherwise enters Enter step 204；
Step 202：Judge whether the slow power adjustment group belonging to terminal changes in this TTI, if change Into step 203, step 204 is entered if not changing；
Step 203：According to ownership slow power adjustment group determine terminal at a slow speed under adjusted value.
The present embodiment pre-builds the mapping relations of power packages and power adjustment, than mapping as shown in table 1 Relation, such as terminal change to ownership group 2 from ownership group 1, then terminal hoisting power is power_up_2.
The power control power ownership group schematic diagram at a slow speed of table 1
Step 204：Judge whether terminal rapid power control switch is opened, it is no if turning on into step 205 Then this terminal power control process terminates；
Step 205：Judge this TTI (Transmission Time Interval, transmission time interval) terminal Fast power adjustment group.
Step 206：Judge whether the MCS grades MCS_Allocated_Init of terminal in frequency domain dispatching is less than Th_MCS_index, if yes then enter step 207；If not the rapid power control of then this TTI of the terminal Process terminates.
Wherein：
MCS_Allocated_Init is the MCS grades under terminal this TTI；
Th_MCS_index is the MCS grades being pre-configured with, and is high order modulation thresholding.
The embodiment of the present invention carries out fast power adjustment to the terminal of low MCS grades, is due to part scene The demodulation of lower receiving terminal needs to know the transmission power of transmitting terminal, but transmitting terminal is limited to protocol frame not necessarily Receiving terminal can in time be notified.As it is descending need this limitation, but it is up do not need the limitation.
Optionally, if not needing the limitation of MCS grades, the MCS grades that will can be pre-configured with are configured to One bigger numerical, such as 28, so ensure that this limitation is invalid.
Step 207：Power adjustment group according to terminal determines power adjustment.
If terminal belongs to fast power adjustment group, the power ascension value of user is calculated as follows：
1：Calculate the difference deltaMCS_up of MCS_Allocated_Init and Th_MCS_index.
2：MCS (Modulation and coding scheme, modulation coding mode) according to such as table 2 below Rank difference obtains the corresponding power ascension values of deltaMCS_up away from the corresponding relation with adjusting step value delta_Power_up_fast。
The MCS rank differences of table 2 are away from the corresponding relation with adjusting step value
Step 208：It is default MCS grades by the current MCS level adjustments of terminal.
Several examples are set forth below to be described in detail the solution of the present invention.
Embodiment one：
1st, power control switch open at a slow speed；
2nd, rapid power control switch open；
3rd, the decision method of slow power adjustment group is reported for A3, except the A3 for switching is reported, is reconfigured at Two location-based to report, i.e., report condition 1 is：Hysteresis Hys=2dB；Event offset Off=-5dB, That is adjacent area 3 dB lower than local area RSRP is the decision condition of power ascension group；Report condition 2 is：Late Stagnant value Hys=2dB；Event offset Off=-10dB, i.e. adjacent area 3 dB lower than local area RSRP drop for power Low group of decision condition.
4th, the corresponding power ascension of slow power adjustment group and under powered index such as table 3 below：
The power control power adjustment at a slow speed of table 3
5th, the decision condition of fast power adjustment group is if terminal meets report condition 1, as fast power Adjustment group, while determining that the terminal is edge termination.
6th, rapid power control parameter：Th_MCS_index=10；
7th, in rapid power control parameter power adjustment and MCS adjusted values mapping relations such as table 4 below：
The mapping relations of the power adjustment of 4 embodiment of table one and MCS adjusted values
First, base station carries out the packet of power control at a slow speed.
It is that terminal configuration is measured and reported based on A3 parameter configurations.Be then based on the nearest measurement of terminal and Terminal is divided into following three groups by reporting information, referring to table 5：
Power control power adjusts group result to table 5 at a slow speed
The renewal of above table is changed based on event, such as reporting information of terminal, then the adjustment group of terminal It is likely to change.
2nd, base station carries out quick power control packet
Pre-scheduling result based on Comp, is grouped as follows, referring to table 6：
The rapid power control power of table 6 adjusts group result
For the successful user of each frequency domain dispatching, the judgement of power adjustment is carried out.
Situation one,
For terminal ue_id2, in frequency domain dispatching success, frequency domain MCS grades are 11, and this TTI is from tune The change of whole group 2 turns to 3, then power control process is：
Step 01：It is determined that switch is opened at a slow speed, so into step 02；
Step 02：Judge power control adjustment group change at a slow speed belonging to terminal ue_id2, become from adjustment group 2 and turn to Adjustment group 3；
Step 03：Determine 2 dB power of lifting according to the change of adjustment group；
Step 04：Determine that rapid power control is opened, into step 05；
Step 05：Rapid power control group result according to base station, determines that terminal ue_id2 belongs to fast power Lifting group, into step 06；
Step 06：Determine that the MCS grades of terminal ue_id2 are 11, more than Th_MCS_index, then this Power adjustments of the terminal ue_id2 in the slow-action complete cycle of this TTI is 2 dB power of lifting, fast The power adjustment of velocity modulation complete cycle does not also make an amendment for 0, MCS grades.
Situation two,
For user ue_id5, in frequency domain dispatching success, frequency domain MCS grades are 7, and this TTI is from tune The change of whole group 2 turns to 3, then power control process is：
Step 01：It is determined that switch is opened at a slow speed, so into step 02；
Step 02：Judge power control adjustment group change at a slow speed belonging to terminal ue_id5, become from adjustment group 2 and turn to Adjustment group 3；
Step 03：Determine 2 dB power of lifting according to the change of adjustment group；
Step 04：Determine that rapid power control is opened, into step 05；
Step 05：Rapid power control group result according to base station, determines that terminal ue_id5 belongs to fast power Lifting group, into step 06；
Step 06：Determine that the MCS grades of terminal ue_id5 are 7, less than Th_MCS_index, this end End power ascension value is the corresponding performance number 2dB of deltaMCS4.The slow-action complete cycle so in this TTI Power adjustment be 2 dB power of lifting, the power adjustment in quick adjustment cycle is 2 dB of lifting Power；
Step 07：Determine that terminal ue_id5 is 11 in the scheduling MCS grades of this TTI, i.e., Th_MCS_index。
Situation three,
For terminal ue_id6, in frequency domain dispatching success, frequency domain MCS grades are 8, and this TTI is from returning The change of category group 2 turns to 3, then power control process is：
Step 01：It is determined that switch is opened at a slow speed, so into step 02；
Step 02：Judge power control adjustment group change at a slow speed belonging to terminal ue_id6, become from adjustment group 2 and turn to Adjustment group 3；
Step 03：Determine lifting 2dB power according to the change of ownership group；
Step 04：Determine that rapid power control is opened, into step 05；
Step 05：Rapid power control group result according to base station, determines that terminal ue_id6 belongs to fast power Reduction group, into step 06；
Step 06：Determine that the MCS grades of terminal ue_id6 are 8, less than Th_MCS_index, then this Terminal needs to carry out power reduction, and power decreasing value is 1.5 dB.The then slow-action complete cycle in this TTI Power adjustment be 2 dB power of lifting, the power adjustment in quick adjustment cycle is to reduce 1.5dB Power；
Step 07：The scheduling MCS grades for determining terminal ue_id6 this TTI are 11, i.e. Th_MCS_index.
Embodiment two,
1st, power control switch is closed at a slow speed；
2nd, rapid power control switch open；
3rd, rapid power control parameter：Th_MCS_index=10；
4th, the decision condition of rapid power control edge termination is reported to meet A3, and A3 report conditions are：It is sluggish Value Hys=2dB；Event offset Off=-5dB, i.e. adjacent area 3 dB lower than local area RSRP are power ascension The decision condition of group；
5th, the mapping relations of power adjustment and MCS adjusted values are identical with table 4 in rapid power control parameter.
Base station carries out quick power control packet
Pre-scheduling result based on Comp, be grouped as shown in table 6.
For the successful user of each frequency domain dispatching, the judgement of power adjustment is carried out.
Situation one,
For terminal ue_id2, in frequency domain dispatching success, frequency domain MCS grades are 11, then rapid power control mistake Cheng Wei：
Step 01：It is defined as switching closing at a slow speed, so into step 04；
Step 04：Determine that rapid power control is opened, then into step 05；
Step 05：Rapid power control group result according to base station, determines that terminal ue_id2 belongs to fast power Lifting group, into step 06；
Step 06：Determine that the MCS grades of terminal ue_id2 are 11, more than Th_MCS_index, then This terminal ue_id2 final power adjustment is 0 (i.e. without being adjusted), the MCS grades of user Do not make an amendment.
Situation two,
For terminal ue_id5, in frequency domain dispatching success, frequency domain MCS grades are 7, then power control process is：
Step 01：It is defined as switching closing at a slow speed, so into step 04；
Step 04：Determine that rapid power control is opened, then into step 05；
Step 05：Rapid power control group result according to base station, determines that terminal ue_id5 belongs to fast power Lifting group, into step 06；
Step 06：Determine that user MCS grades are 7, less than Th_MCS_index, this user power is carried It is the corresponding performance number 2dB of deltaMCS4 to appreciate；The power adjustment in quick adjustment cycle i.e. in this TTI It is lifting 2dB to be worth；
Step 07：Determine that terminal ue_id5 is 11 in the scheduling MCS grades of this TTI, i.e., Th_MCS_index。
Situation three,
For user ue_id6, in frequency domain dispatching success, frequency domain MCS grades are 8, then power control process is：
Step 01：It is defined as switching closing at a slow speed, so into step 04；
Step 04：Determine that rapid power control is opened, then into step 05；
Step 05：Rapid power control group result according to base station, determines that terminal ue_id2 belongs to fast power Reduction group, into step 06；
Step 06：Determine that the MCS grades of terminal ue_id6 are 8, less than Th_MCS_index, then this The power adjustment in terminal quick adjustment cycle in this TTI is reduction 1.5dB；
Step 07：The scheduling MCS grades for determining terminal ue_id6 this TTI are 11, i.e. Th_MCS_index.
Based on same inventive concept, network side equipment is additionally provided in the embodiment of the present invention, due to the equipment solution Certainly the principle of problem is similar to the method that the embodiment of the present invention carries out interference coordination, thus the equipment implementation The implementation of method is may refer to, part is repeated and is repeated no more.
As shown in figure 3, the embodiment of the present invention the first network side equipment for carrying out interference coordination includes：
Grouping module 300, for the efficiency of transmission according to terminal, determines the power adjustment belonging to the terminal Group, wherein the power adjustment group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, Second adjustment cycle of the first adjustment cycle of fast power adjustment group less than slow power adjustment group；
Adjustment determining module 301, the adjusted value for determining the power adjustment group belonging to the terminal；
Power regulation module 302, for according to the adjusted value for determining, the power to the terminal to be carried out Adjustment.
Optionally, the power adjustment group includes multiple slow power adjustment groups；The grouping module 300 has Body is used for：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission；
The power adjustment group includes multiple fast power adjustment groups；The grouping module 300 specifically for：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and slow power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
Optionally, the Comp information is the information for indicating whether successfully Comp；
The information for representing efficiency of transmission is including part or all of in following message：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
Optionally, the power adjustment group includes multiple fast power adjustment groups；
It is described adjustment determining module 301 specifically for：
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group includes Multiple slow power adjustment groups, the then adjusted value according to the terminal in fast power adjustment group and the end The adjusted value of the slow power adjustment group belonging to end, determines the adjustment of the power adjustment group belonging to the terminal Value；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
Optionally, it is described adjustment determining module 301 specifically for：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
Optionally, the adjustment determining module 301 according to following manner specifically for determining that the terminal exists Adjusted value in fast power adjustment group：
According to MCS rank differences away from the corresponding relation with adjusting step value, determine the terminal MCS grades and The corresponding adjusting step value of gap between default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
Optionally, the adjustment determining module 301 is additionally operable to：
After determining the adjusted value of power adjustment group belonging to the terminal, by the MCS grades of the terminal It is adjusted to default MCS grades.
Optionally, it is described adjustment determining module 301 specifically for：
If the power adjustment group includes multiple fast power adjustment groups, and described in the current first adjustment cycle eventually Fast power adjustment group belonging to end changes, then the tune according to the terminal in fast power adjustment group Whole value determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
As shown in figure 4, the network side equipment that the embodiment of the present invention carries out interference coordination second includes：
Processor 401, for reading the program in memory 404, performs following process：
According to the efficiency of transmission of terminal, the power adjustment group belonging to the terminal is determined, wherein the power is adjusted Whole group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, the of fast power adjustment group Second adjustment cycle of the one adjustment cycle less than slow power adjustment group；Determine that the power belonging to the terminal is adjusted The adjusted value of whole group；According to the adjusted value for determining, entered by the power of 402 pairs of terminals of transceiver Row adjustment.
Transceiver 402, for being received under the control of processor 401 and sending data.
Optionally, the power adjustment group includes multiple slow power adjustment groups；The processor 401 is specific For：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission；
The power adjustment group includes multiple fast power adjustment groups；The processor 401 specifically for：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and slow power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
Optionally, the Comp information is the information for indicating whether successfully Comp；
The information for representing efficiency of transmission is including part or all of in following message：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
Optionally, the power adjustment group includes multiple fast power adjustment groups；
The processor 401 specifically for：
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group includes Multiple slow power adjustment groups, the then adjusted value according to the terminal in fast power adjustment group and the end The adjusted value of the slow power adjustment group belonging to end, determines the adjustment of the power adjustment group belonging to the terminal Value；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
Optionally, the processor 401 specifically for：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
Optionally, the processor 401 according to following manner specifically for determining the terminal in quick work( Adjusted value in rate adjustment group：
According to MCS rank differences away from the corresponding relation with adjusting step value, determine the terminal MCS grades and The corresponding adjusting step value of gap between default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
Optionally, the processor 401 is additionally operable to：
After determining the adjusted value of power adjustment group belonging to the terminal, by the MCS grades of the terminal It is adjusted to default MCS grades.
Optionally, the processor 401 specifically for：
If the power adjustment group includes multiple fast power adjustment groups, and described in the current first adjustment cycle eventually Fast power adjustment group belonging to end changes, then the tune according to the terminal in fast power adjustment group Whole value determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
In fig. 4, bus architecture (being represented with bus 400), bus 400 can include any amount Interconnection bus and bridge, bus 400 will include the one or more processors represented by processor 401 and The various circuits of the memory that memory 404 is represented are linked together.Bus 400 can also be by such as periphery Various other circuits of equipment, voltage-stablizer and management circuit or the like are linked together, and these are all these Well known to field, therefore, no longer it is described further herein.EBI 403 is in bus 400 Interface is provided and transceiver 402 between.Transceiver 402 can be an element, or multiple element, Such as multiple receivers and transmitter, there is provided for the list for being communicated with various other devices over a transmission medium Unit.The data processed through processor 401 are transmitted on the radio medium by antenna 405, further, Antenna 405 also receives data and transfers data to processor 401.
Processor 401 is responsible for bus 400 and common treatment, can also provide various functions, including Regularly, peripheral interface, voltage-regulation, power management and other control functions.And memory 404 can be with Be used to store the data that processor 401 is used when operation is performed.
Optionally, processor 401 can be CPU (centre buries device), ASIC (Application Specific Integrated Circuit, application specific integrated circuit), FPGA (Field-Programmable Gate Array, Field programmable gate array) or CPLD (Complex Programmable Logic Device, complexity can be compiled Journey logical device).
It can be seen from the above：The embodiment of the present invention determines the tune of the power adjustment group belonging to the terminal Whole value；According to the adjusted value for determining, the power to the terminal is adjusted, wherein the power is adjusted Whole group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, the of fast power adjustment group Second adjustment cycle of the one adjustment cycle less than slow power adjustment group.Because the adjustment group belonging to basis determines Adjustment amount, such that it is able to effectively reduce adjacent area interference, on the premise of reduction throughput of system as few as possible Lifting edge customer speed.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this hair to the present invention Bright spirit and scope.So, if it is of the invention these modification and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.

Claims (16)

1. a kind of method for carrying out interference coordination, it is characterised in that the method includes：
According to the efficiency of transmission of terminal, the power adjustment group belonging to the terminal is determined, wherein the power is adjusted Whole group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, the of fast power adjustment group Second adjustment cycle of the one adjustment cycle less than slow power adjustment group；
Determine the adjusted value of the power adjustment group belonging to the terminal；
According to the adjusted value for determining, the power to the terminal is adjusted.
2. the method for claim 1, it is characterised in that the power adjustment group includes multiple slow Fast power adjustment group；According to the efficiency of transmission of terminal, the power adjustment group belonging to the terminal is determined, including：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission；
The power adjustment group includes multiple fast power adjustment groups；According to the efficiency of transmission of terminal, institute is determined The power adjustment group belonging to terminal is stated, including：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the coordinated multipoint transmission Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and slow power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
3. method as claimed in claim 2, it is characterised in that
The Comp information is the information for indicating whether successfully Comp；
The information for representing efficiency of transmission is including part or all of in following message：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The channel quality indicator CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
4. the method for claim 1, it is characterised in that the power adjustment group includes multiple fast Fast power adjustment group；
Determine the adjusted value of the power adjustment group belonging to the terminal, including：
If it is determined that the modulation coding mode MCS grades of the terminal are less than default MCS grades, and the work( Rate adjustment group includes multiple slow power adjustment groups, then the tune according to the terminal in fast power adjustment group The adjusted value of the slow power adjustment group belonging to whole value and the terminal, determines that the power belonging to the terminal is adjusted The adjusted value of whole group；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
5. method as claimed in claim 4, it is characterised in that adjusted in fast power according to the terminal The adjusted value of the slow power adjustment group belonging to adjusted value and the terminal in whole group, determines the terminal institute The adjusted value of the power adjustment group of category, including：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
6. the method as described in claim 4 or 6, it is characterised in that the terminal is adjusted in fast power Adjusted value in whole group is determined according to following manner：
According to MCS rank differences away from the corresponding relation with adjusting step value, determine the terminal MCS grades and The corresponding adjusting step value of gap between default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
7. method as claimed in claim 4, it is characterised in that determine that the power belonging to the terminal is adjusted After the adjusted value of whole group, also include：
By the MCS level adjustments of the terminal to default MCS grades.
8. Claims 1 to 5,7 it is any as described in method, it is characterised in that determine belonging to the terminal Power adjustment group adjusted value, including：
If the power adjustment group includes multiple fast power adjustment groups, and described in the current first adjustment cycle eventually Fast power adjustment group belonging to end changes, then the tune according to the terminal in fast power adjustment group Whole value determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
9. a kind of equipment for carrying out interference coordination, it is characterised in that the method includes：
Grouping module, for the efficiency of transmission according to terminal, determines the power adjustment group belonging to the terminal, Wherein described power adjustment group includes multiple fast power adjustment groups and/or multiple slow power adjustment groups, quickly Second adjustment cycle of the first adjustment cycle of power adjustment group less than slow power adjustment group；
Adjustment determining module, the adjusted value for determining the power adjustment group belonging to the terminal；
Power regulation module, for according to the adjusted value for determining, the power to the terminal to be adjusted.
10. equipment as claimed in claim 9, it is characterised in that the power adjustment group includes multiple slow Fast power adjustment group；The grouping module specifically for：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission；
According to efficiency of transmission and the corresponding relation of slow power adjustment group, determine the terminal to report for table Show the corresponding slow power adjustment group of information of efficiency of transmission；
The power adjustment group includes multiple fast power adjustment groups；The grouping module specifically for：
Determine the information for representing efficiency of transmission or the information according to the terminal of the terminal to report It is determined that the information for representing efficiency of transmission, and the Comp information for determining the terminal；
According to the corresponding relation of efficiency of transmission, Comp information and slow power adjustment group, the terminal is determined The corresponding fast power of the Comp information of information and the terminal for representing efficiency of transmission for reporting is adjusted Group.
11. equipment as claimed in claim 10, it is characterised in that
The Comp information is the information for indicating whether successfully Comp；
The information for representing efficiency of transmission is including part or all of in following message：
Whether satisfaction configuration power decreasing A3 events report condition；
The report condition of the power rise A2 events whether satisfaction is configured；
The CQI information of terminal；
The Traffic Channel spectrum efficiency of terminal.
12. equipment as claimed in claim 9, it is characterised in that the power adjustment group includes multiple fast Fast power adjustment group；
Adjustment determining module specifically for：
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group includes Multiple slow power adjustment groups, the then adjusted value according to the terminal in fast power adjustment group and the end The adjusted value of the slow power adjustment group belonging to end, determines the adjustment of the power adjustment group belonging to the terminal Value；Or
If it is determined that the MCS grades of the terminal are less than default MCS grades, and the power adjustment group is not wrapped Multiple slow power adjustment groups are included, then the adjusted value by the terminal in fast power adjustment group, as institute State the adjusted value of the power adjustment group belonging to terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group bag Include multiple slow power adjustment groups, then by the adjusted value of the slow power adjustment group belonging to the terminal, as The adjusted value of the power adjustment group belonging to the terminal；Or
If it is determined that the MCS grades of the terminal are not less than default MCS grades, and the power adjustment group is not Including multiple slow power adjustment groups, then using the adjusted value of the power adjustment group belonging to 0 as the terminal.
13. equipment as claimed in claim 12, it is characterised in that the adjustment determining module is specifically used In：
If one in meeting following condition, by adjusted value of the terminal in fast power adjustment group and The adjusted value of the slow power adjustment group belonging to the terminal, respectively as the power adjustment belonging to the terminal The adjusted value of group：
Adjusted value of the terminal in fast power adjustment group be on the occasion of；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is Negative value；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just Value, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is not small In 0；
If meeting following condition, adjusted value of the adjustment terminal in fast power adjustment group, so that work(at a slow speed The adjusted value sum of terminal after the adjusted value of rate adjustment group and adjustment in fast power adjustment group is 0, and The adjusted value of adjusted value and slow power adjustment group by the terminal after adjustment in fast power adjustment group, point Not as the adjusted value of the power adjustment group belonging to the terminal；
Adjusted value of the terminal in fast power adjustment group is negative value, and the adjusted value of slow power adjustment group is for just It is worth, and the adjusted value sum of adjusted value and slow power adjustment group of the terminal in fast power adjustment group is less than 0。
14. equipment as described in claim 12 or 13, it is characterised in that the adjustment determining module tool Body is used for, and adjusted value of the terminal in fast power adjustment group is determined according to following manner：
According to MCS rank differences away from the corresponding relation with adjusting step value, determine the terminal MCS grades and The corresponding adjusting step value of gap between default MCS grades；
According to fast power adjustment group and the corresponding relation of adjustment direction, the quick work(belonging to the terminal is determined The corresponding adjustment direction of rate adjustment group；
According to the adjusting step value and adjustment direction that determine, determine the terminal in fast power adjustment group Adjusted value.
15. equipment as claimed in claim 12, it is characterised in that the adjustment determining module is additionally operable to：
After determining the adjusted value of power adjustment group belonging to the terminal, by the MCS grades of the terminal It is adjusted to default MCS grades.
16. claim 9~13,15 it is any as described in equipment, it is characterised in that the adjustment determines Module specifically for：
If the power adjustment group includes multiple fast power adjustment groups, and described in the current first adjustment cycle eventually Fast power adjustment group belonging to end changes, then the tune according to the terminal in fast power adjustment group Whole value determines the adjusted value of the power adjustment group belonging to the terminal；And/or
If the power adjustment group includes multiple slow power adjustment groups, and described in the current second adjustment cycle eventually Slow power adjustment group belonging to end changes, then slow power adjustment group according to belonging to the terminal Adjusted value determines the adjusted value of the power adjustment group belonging to the terminal.
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CN102638894A (en) * 2012-04-27 2012-08-15 电信科学技术研究院 Method and equipment for distributing PDSCH (physical downlink shared channel) power
CN103517214A (en) * 2012-06-21 2014-01-15 成都鼎桥通信技术有限公司 Transmitting power adjustment method based on group user terminals and base station
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