CN103118396A - Method for managing small community networks and base station - Google Patents
Method for managing small community networks and base station Download PDFInfo
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- CN103118396A CN103118396A CN2013100251467A CN201310025146A CN103118396A CN 103118396 A CN103118396 A CN 103118396A CN 2013100251467 A CN2013100251467 A CN 2013100251467A CN 201310025146 A CN201310025146 A CN 201310025146A CN 103118396 A CN103118396 A CN 103118396A
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Abstract
The invention discloses a method for managing small community networks and a base station and belongs to the field of communication technology. The method for managing small community networks includes receiving measuring results reported on the unified equipment (UE) periodicity of user equipment, obtaining receiving quality of reference signals measured by all UE connected in the small community according to identification of the small community, calculating the weighted average of the small community according to the receiving quality of the reference signals measured by all UE, determining whether transmitting power of the small community needs to be adjusted according to the weighted average of the small community, if the transmitting power of the small community needs to be adjusted, indicating the transmitting power of the small community to conduct adjustment. The weighted average of the reference signal receiving quality of the small community is calculated through the receiving quality of the reference signals measured by all UE, adjust mode of the transmitting power of the small community is determined according to the weighted average, and interfering problems among the small communities of a macro base station are reduced through the adjustment of the transmitting power of the small community. Therefore, the efficiency of solving the problem of interference is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method and base station of managing the small-cell network.
Background technology
Small-cell network SCNs(Small Cell Networks) refer to lay a large amount of low costs, lower powered small base station in macro base station coverage area, form the heterogeneous system with the different node types that cover, the same frequency range several times that are re-used, system can obtain huge cell splitting gain.To bear main traffic carrying capacity at following small-cell, and macro base station extensively covers principal security, the quantity of small-cell and density are with increasing.And the interference problem between small-cell will become more and more serious at this moment, so the problem of the interference between small-cell has become problem demanding prompt solution in SCNs.
In prior art, small-cell is divided into groups according to certain rule, comprise several small-cells in each grouping, the rule of mourning in silence that each packet configuration is different, the small-cell in each grouping is mourned in silence on the subframe of correspondence according to the rule of mourning in silence of correspondence.In quiet period, small-cell will not launched any signal, and by configuring the different rules of mourning in silence to different grouping, the interference that can realize belonging between the small-cell in different grouping is controlled effectively.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
Although prior art has solved the interference problem between small-cell corresponding to different grouping, can't solve the interference problem between the small-cell that belongs in same group, therefore do not solve the interference problem between small-cell fully.
Summary of the invention
In order to solve the problem of prior art, the embodiment of the present invention provides a kind of method and base station of managing the small-cell network.Described technical scheme is as follows:
A kind of method of managing the small-cell network that first aspect, the embodiment of the present invention provide comprises:
Receive the measurement result that user equipment (UE) periodically reports, carry described UE in described measurement result and measure the Reference Signal Received Quality of small-cell and the sign of described small-cell;
Obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure;
Whether needs carry out the transmitting power adjustment to determine described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
In the possible implementation of the first of first aspect, the measurement result that described reception user equipment (UE) periodically reports comprises:
Receive the measurement result that UE periodically directly reports; Perhaps,
The measurement result that the UE of the described small-cell of access that the reception small-cell periodically reports reports.
In the possible implementation of the second of first aspect, described sign according to described small-cell is obtained the Reference Signal Received Quality of all UE measurements of the described small-cell of access, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE of the described small-cell of access measure, comprising:
Obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell;
According to the sign of described small-cell, determine the transmission scheduling mode that described small-cell uses;
According to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, the weighted average of the described small-cell of calculating.
In the third possible implementation of first aspect, described weighted average according to described small-cell is determined described small-cell, and whether needs carry out the transmitting power adjustment, if necessary, indicate described small-cell that the transmitting power of self is adjusted, comprising:
Calculate the weighted average sum of all small-cells and as the first numerical value;
If described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate;
Send the indication information that reduces transmitting power to described small-cell, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
According to the third possible implementation of first aspect, in the 4th kind of possible implementation, described method also comprises:
If described the first numerical value is less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
According to the third possible implementation of first aspect, in the 5th kind of possible implementation, described determining after described small-cell need to carry out the transmitting power adjustment also comprises:
The second value of having stored is updated to described the first numerical value.
The 6th kind of possible implementation according to first aspect, described weighted average according to described small-cell is determined described small-cell, and whether needs carry out the transmitting power adjustment, if necessary, indicate described small-cell that the transmitting power of self is adjusted, comprising:
Determine the average value ranges at the weighted average place of described small-cell;
According to described average value ranges, search the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determine described small-cell and need to carry out the transmitting power adjustment;
Send the indication information of adjusting transmitting power to described small-cell, carry described adjustment mode in the indication information of described adjustment transmitting power, adjust transmitting power to indicate described small-cell according to described adjustment mode.
The management of the another kind management small-cell network that second aspect, the embodiment of the present invention provide, described method comprises:
Receiver module is used for receiving the measurement result that user equipment (UE) periodically reports, and carries described UE in described measurement result and measures the Reference Signal Received Quality of small-cell and the sign of described small-cell;
Computing module, be used for obtaining according to the sign of described small-cell the Reference Signal Received Quality of all UE measurements of the described small-cell of access, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure;
The first processing module, whether needs carry out the transmitting power adjustment to be used for determining described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
In the possible implementation of the first of second aspect, described receiver module comprises:
The first receiving element is used for receiving the measurement result that UE periodically directly reports;
The second receiving element be used for to receive the measurement result that the UE of the described small-cell of access that small-cell periodically reports reports.
In the possible implementation of the second of second aspect, described computing module comprises:
Acquiring unit is for the Reference Signal Received Quality of all UE measurements of obtaining the described small-cell of access according to the sign of described small-cell;
The first determining unit is used for the sign according to described small-cell, determines the transmission scheduling mode that described small-cell uses;
The first computing unit is used for according to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, calculates the weighted average of described small-cell.
In the third possible implementation of second aspect, described the first processing module comprises:
The second computing unit is for the weighted average sum of calculating all small-cells and as the first numerical value;
The second determining unit, if be used for described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate;
The first transmitting element is used for sending to described small-cell the indication information that reduces transmitting power, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
According to the third possible implementation of second aspect, in the 4th kind of possible implementation, described base station also comprises:
The first processing module, if be used for described the first numerical value less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
According to the third possible implementation of second aspect, in the 5th kind of possible implementation, described base station also comprises:
Update module, the second value that is used for having stored is updated to described the first numerical value.
According to the 6th kind of possible implementation of second aspect, described the first processing module comprises:
The 3rd determining unit be used for to be determined the average value ranges at the weighted average place of described small-cell;
The 4th determining unit is used for according to described average value ranges, searches the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determines described small-cell and need to carry out the transmitting power adjustment;
The second transmitting element is used for sending to described small-cell the indication information of adjusting transmitting power, carries described adjustment mode in the indication information of described adjustment transmitting power, adjusts transmitting power to indicate described small-cell according to described adjustment mode.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The Reference Signal Received Quality of the measurement small-cell that reports by UE calculates the weighted average of small-cell Reference Signal Received Quality, determine according to weighted average the mode that the small-cell transmitting power is adjusted, and reduce the interference problem between each small-cell under macro base station by the adjustment of small-cell transmitting power, improved the efficient that solves interference problem.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the method flow diagram of the management small-cell network that provides of the embodiment of the present invention one;
Fig. 2 is the method flow diagram of the management small-cell network that provides of the embodiment of the present invention two;
Fig. 3 is the method flow diagram of the management small-cell network that provides of the embodiment of the present invention three;
Fig. 4 is the architecture of base station schematic diagram of the management small-cell network that provides of the embodiment of the present invention four;
Fig. 5 is the architecture of base station schematic diagram of the management small-cell network that provides of the embodiment of the present invention five.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment one
The embodiment of the present invention provides a kind of method of managing the small-cell network, and referring to Fig. 1, method flow comprises:
101: receive the measurement result that user equipment (UE) periodically reports, carry described UE in described measurement result and measure the Reference Signal Received Quality of small-cell and the sign of described small-cell;
102: obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure;
103: whether needs carry out the transmitting power adjustment to determine described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
The Reference Signal Received Quality of the measurement small-cell that the embodiment of the present invention reports by UE calculates the weighted average of small-cell Reference Signal Received Quality, determine according to weighted average the mode that the small-cell transmitting power is adjusted, and reduce the interference problem between each small-cell under macro base station by the adjustment of small-cell transmitting power, improved the efficient that solves interference problem.
Embodiment two
The embodiment of the present invention provides a kind of method of managing the small-cell network, and referring to Fig. 2, method flow comprises:
201: receive the measurement result that user equipment (UE) periodically reports, carry described UE in described measurement result and measure the Reference Signal Received Quality of small-cell and the sign of described small-cell.
UE(User Equipment, subscriber equipment) after the access small-cell, the periodic RSRQ(Reference Signal Received Quality that measures the access small-cell, Reference Signal Received Quality).UE reports to macro base station after measuring RSRQ, and mode can be two kinds: a kind of mode is that UE directly reports to macro base station transmission measurement result; Another kind of mode is that UE reports RSRQ to small-cell, and the RSRQ that all UE of the access that small-cell will be collected self report gathers, and the RSRQ after gathering sends to macro base station with measurement result by back haul link.After macro base station receives measurement result, carry out follow-up calculating and the work of control by central control unit.
Further UE also can measure the RSRP (Reference Signal Receiving Power, Reference Signal Received Power) of each small-cell, and wherein the RSRP of maximum and corresponding small-cell sign thereof report macro base station simultaneously.
Therefore step 201 can be specially:
2011: receive the measurement result that UE periodically directly reports; Perhaps,
2012: the measurement result that the UE of the described small-cell of access that the reception small-cell periodically reports reports.
202: obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure.
Step 202 can be specially:
2021: the Reference Signal Received Quality that obtains all UE measurements of the described small-cell of access according to the sign of described small-cell.
The central control unit of macro base station is classified the RSRQ that the UE that receives reports according to the sign of the small-cell of the UE access of carrying in measurement result according to the sign of small-cell.
2022: according to the sign of described small-cell, determine the transmission scheduling mode that described small-cell uses.
Small-cell can use respectively different transmission scheduling algorithms according to actual conditions, generally has two kinds of transmission scheduling algorithms, and the first is: PF(Proportional Fair, equitable proportion) dispatching algorithm; The second is: RR(Round Robin, repeating query) dispatching algorithm.According to the sign of small-cell, can inquire the transmission scheduling algorithm that corresponding small-cell uses in macro base station.And determine the weighted calculation mode of RSRQ according to different transmission scheduling algorithms.
2023: according to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, the weighted average of the described small-cell of calculating.
Wherein, weighted calculation mode corresponding to PF dispatching algorithm is:
Wherein, α
mBe m small-cell, N is the UE number in small-cell, q
nRSRQ for each UE.
Wherein, weighted calculation mode corresponding to PF dispatching algorithm is:
Wherein, α
mBe m small-cell, N is the UE number in small-cell, q
nRSRQ for each UE.
203: whether needs carry out the transmitting power adjustment to determine described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
Step 203 can be specially:
2031: calculate the weighted average sum of all small-cells and as the first numerical value.
Wherein, α
(i)Weighted average sum for Reference Signal Received Quality corresponding to all small-cells; α
mBe m small-cell; I is for calculating the number of times of weighted average sum; M is the number that is currently connected to the small-cell under macro base station.
2032: if described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate.
The weighted average sum α that once calculates before preserving in the buffer memory of macro base station
(i-1)The i.e. nearest weighted average sum of last all small-cells that calculate is with the weighted average sum α that preserves in this buffer memory
(i-1)With the current weighted average sum α that calculates
(i)Compare.
If α
(i)〉=α
(i-1)The time, with α
(i)Upgrade original α in the buffer memory of macro base station
(i-1), and at the heavier and α of next time
(i+1)Compare.
Need this moment to determine whether small-cell needs to carry out the transmitting power adjustment.According to predetermined threshold value, work as α
mDuring greater than predetermined threshold value, this small-cell is defined as to carry out the small-cell that transmitting power is adjusted, and sends to this small-cell the indication information that reduces transmitting power, make the transmitting power of this small-cell reduce a power step size.Preferably, through experiment, predetermined threshold value can be set to 1, but choosing of predetermined threshold value is not limited at this.
2033: send the indication information that reduces transmitting power to described small-cell, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
2034: the second value that will store is updated to described the first numerical value.
As judgement α
(i)〉=α
(i-1), after execution of step 2034, need to re-execute the step of step 201 to 2032, carry out repeatedly iterative computation, until judge α in step 2032
(i)＜α
(i-1)Till, execution in step 2035.
2035: if described the first numerical value is less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
If α
(i)＜α
(i-1)The time, the small-cell that is received the indication information that reduces transmitting power the last time is defined as the small-cell of transmitting power to be adjusted, and the small-cell that the last time was adjusted transmitting power send is improved the indication information of transmitting power, recover the transmitting power of small-cell before last the adjustment.No longer carry out iterative computation this moment, finish adjustment process.This interval scale the end of the power adjustment of each small-cell, has optimized the transmitting power between each small-cell, has reduced the interference problem between small-cell, makes the transmitting power between each small-cell reach balance.
The Reference Signal Received Quality of the measurement small-cell that the embodiment of the present invention reports by UE calculates the weighted average of small-cell Reference Signal Received Quality, determine according to weighted average the mode that the small-cell transmitting power is adjusted, and reduce the interference problem between each small-cell under macro base station by the adjustment of small-cell transmitting power, improved the efficient that solves interference problem.
Embodiment three
The embodiment of the present invention provides a kind of method of managing the small-cell network, referring to Fig. 3, need to prove that step 301-302 in the embodiment of the present invention is identical with process in embodiment two, therefore detailed description and repeating no more.
Method flow comprises:
301: receive the measurement result that user equipment (UE) periodically reports, carry described UE in described measurement result and measure the Reference Signal Received Quality of small-cell and the sign of described small-cell.
Step 301 can be specially:
3011: receive the measurement result that UE periodically directly reports; Perhaps,
3012: the measurement result that the UE of the described small-cell of access that the reception small-cell periodically reports reports.
302: obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure.
Step 302 can be specially:
3021: the Reference Signal Received Quality that obtains all UE measurements of the described small-cell of access according to the sign of described small-cell.
3022: according to the sign of described small-cell, determine the transmission scheduling mode that described small-cell uses.
3023: according to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, the weighted average of the described small-cell of calculating.
303: whether needs carry out the transmitting power adjustment to determine described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
Step 303 can be specially:
3031: the average value ranges of determining the weighted average place of described small-cell.
Preserve the corresponding relation of average value ranges and the mode of adjustment in the central control unit of macro base station, as shown in table 1, wherein the corresponding relation in table 1 is example, is not limited in the corresponding relation in this table.
| α m | P | Index |
| α m≤5 | P | 0 |
| 5<α m≤8 | P/1.0351 | 1 |
| 8<α m≤10 | P/1.0715 | 2 |
| 10<α m≤15 | P/1.2303 | 3 |
| 15<α m | P/1.3183 | 4 |
Table 1
Wherein P is transmitting power, according to the weighted average of the Reference Signal Received Quality of each small-cell that calculates, can find corresponding transmitting power and adjust mode in table, for example: if α
m≤ 5 o'clock, need not the transmitting power of this small-cell is adjusted, at 5＜α
m≤ 8 o'clock, with the adjustment mode of transmitting power for to adjust divided by 1.0351 result according to current transmit power, namely reduce the transmitting power of this small-cell.
3032: according to described average value ranges, search the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determine described small-cell and need to carry out the transmitting power adjustment.
3033: send the indication information of adjusting transmitting power to described small-cell, carry described adjustment mode in the indication information of described adjustment transmitting power, adjust transmitting power to indicate described small-cell according to described adjustment mode.
Can be set to index value in weighted average and the corresponding relation of adjusting transmitting power with adjusting the transmitting power adjusted value that carries in the indication information of transmitting power, also preserve the corresponding relation of average value ranges and the mode of adjustment in small-cell, small-cell parses index value after receiving the indication information of adjusting transmitting power, and find the adjustment mode of the power of needs adjustment according to index value in the corresponding relation of average value ranges and adjustment mode, and according to this adjustment mode, transmitting power is adjusted.
The Reference Signal Received Quality of the measurement small-cell that the embodiment of the present invention reports by UE calculates the weighted average of small-cell Reference Signal Received Quality, determine according to weighted average the mode that the small-cell transmitting power is adjusted, and reduce the interference problem between each small-cell under macro base station by the adjustment of small-cell transmitting power, improved the efficient that solves interference problem.
Embodiment four
The embodiment of the present invention provides a kind of base station of managing the small-cell network, and referring to Fig. 4, described base station comprises:
The first processing module 403, whether needs carry out the transmitting power adjustment to be used for determining described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
Wherein in embodiment, described receiver module 401 comprises:
The first receiving element 4011 is used for receiving the measurement result that UE periodically directly reports;
The second receiving element 4012 be used for to receive the measurement result that the UE of the described small-cell of access that small-cell periodically reports reports.
Wherein, described computing module 402 comprises:
Acquiring unit 4021 is for the Reference Signal Received Quality of all UE measurements of obtaining the described small-cell of access according to the sign of described small-cell;
The first determining unit 4022 is used for the sign according to described small-cell, determines the transmission scheduling mode that described small-cell uses;
The first computing unit 4023 is used for according to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, calculates the weighted average of described small-cell.
Wherein, described the first processing module 403 comprises:
The second computing unit 4031 is for the weighted average sum of calculating all small-cells and as the first numerical value;
The second determining unit 4032, if be used for described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate;
The first transmitting element 4033 is used for sending to described small-cell the indication information that reduces transmitting power, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
Wherein, described base station also comprises:
The first processing module 404, if be used for described the first numerical value less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
Further, described the first processing module 403 comprises:
The 3rd determining unit 4034 be used for to be determined the average value ranges at the weighted average place of described small-cell;
The 4th determining unit 4035 is used for according to described average value ranges, searches the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determines described small-cell and need to carry out the transmitting power adjustment;
The second transmitting element 4036 is used for sending to described small-cell the indication information of adjusting transmitting power, carries described adjustment mode in the indication information of described adjustment transmitting power, adjusts transmitting power to indicate described small-cell according to described adjustment mode.
The Reference Signal Received Quality of the measurement small-cell that the embodiment of the present invention reports by UE calculates the weighted average of small-cell Reference Signal Received Quality, determine according to weighted average the mode that the small-cell transmitting power is adjusted, and reduce the interference problem between each small-cell under macro base station by the adjustment of small-cell transmitting power, improved the efficient that solves interference problem.
Embodiment five
The embodiment of the present invention provides a kind of base station of managing the small-cell network, and referring to Fig. 5, described base station comprises:
Receive the measurement result that user equipment (UE) periodically reports, carry described UE in described measurement result and measure the Reference Signal Received Quality of small-cell and the sign of described small-cell;
Obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure;
Whether needs carry out the transmitting power adjustment to determine described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
The measurement result that described reception user equipment (UE) periodically reports comprises:
Receive the measurement result that UE periodically directly reports; Perhaps,
The measurement result that the UE of the described small-cell of access that the reception small-cell periodically reports reports.
Described sign according to described small-cell is obtained the Reference Signal Received Quality of all UE measurements of the described small-cell of access, and calculates the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure, and comprising:
Obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell;
According to the sign of described small-cell, determine the transmission scheduling mode that described small-cell uses;
According to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, the weighted average of the described small-cell of calculating.
Described weighted average according to described small-cell is determined described small-cell, and whether needs carry out the transmitting power adjustment, if necessary, indicate described small-cell that the transmitting power of self is adjusted, and comprising:
Calculate the weighted average sum of all small-cells and as the first numerical value;
If described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate;
Send the indication information that reduces transmitting power to described small-cell, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
Described method also comprises:
If described the first numerical value is less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
Described determining after described small-cell need to carry out the transmitting power adjustment also comprises:
The second value of having stored is updated to described the first numerical value.
Described weighted average according to described small-cell is determined described small-cell, and whether needs carry out the transmitting power adjustment, if necessary, indicate described small-cell that the transmitting power of self is adjusted, and comprising:
Determine the average value ranges at the weighted average place of described small-cell;
According to described average value ranges, search the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determine described small-cell and need to carry out the transmitting power adjustment;
Send the indication information of adjusting transmitting power to described small-cell, carry described adjustment mode in the indication information of described adjustment transmitting power, adjust transmitting power to indicate described small-cell according to described adjustment mode.
The Reference Signal Received Quality of the measurement small-cell that the embodiment of the present invention reports by UE calculates the weighted average of small-cell Reference Signal Received Quality, determine according to weighted average the mode that the small-cell transmitting power is adjusted, and reduce the interference problem between each small-cell under macro base station by the adjustment of small-cell transmitting power, improved the efficient that solves interference problem.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the relevant hardware of instruction to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. a method of managing the small-cell network, is characterized in that, described method comprises:
Receive the measurement result that user equipment (UE) periodically reports, carry described UE in described measurement result and measure the Reference Signal Received Quality of small-cell and the sign of described small-cell;
Obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure;
Whether needs carry out the transmitting power adjustment to determine described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
2. method according to claim 1, is characterized in that, the measurement result that described reception user equipment (UE) periodically reports comprises:
Receive the measurement result that UE periodically directly reports; Perhaps,
The measurement result that the UE of the described small-cell of access that the reception small-cell periodically reports reports.
3. method according to claim 1, it is characterized in that, described sign according to described small-cell is obtained the Reference Signal Received Quality of all UE measurements of the described small-cell of access, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE of the described small-cell of access measure, comprising:
Obtain the Reference Signal Received Quality of all UE measurements of the described small-cell of access according to the sign of described small-cell;
According to the sign of described small-cell, determine the transmission scheduling mode that described small-cell uses;
According to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, the weighted average of the described small-cell of calculating.
4. method according to claim 1, it is characterized in that, described weighted average according to described small-cell is determined described small-cell, and whether needs carry out the transmitting power adjustment, if necessary, indicate described small-cell that the transmitting power of self is adjusted, comprising:
Calculate the weighted average sum of all small-cells and as the first numerical value;
If described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate;
Send the indication information that reduces transmitting power to described small-cell, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
5. method according to claim 4, is characterized in that, described method also comprises:
If described the first numerical value is less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
6. method according to claim 4, is characterized in that, described determining after described small-cell need to carry out the transmitting power adjustment also comprises:
The second value of having stored is updated to described the first numerical value.
7. method according to claim 1, it is characterized in that, described weighted average according to described small-cell is determined described small-cell, and whether needs carry out the transmitting power adjustment, if necessary, indicate described small-cell that the transmitting power of self is adjusted, comprising:
Determine the average value ranges at the weighted average place of described small-cell;
According to described average value ranges, search the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determine described small-cell and need to carry out the transmitting power adjustment;
Send the indication information of adjusting transmitting power to described small-cell, carry described adjustment mode in the indication information of described adjustment transmitting power, adjust transmitting power to indicate described small-cell according to described adjustment mode.
8. a base station of managing the small-cell network, is characterized in that, described base station comprises:
Receiver module is used for receiving the measurement result that user equipment (UE) periodically reports, and carries described UE in described measurement result and measures the Reference Signal Received Quality of small-cell and the sign of described small-cell;
Computing module, be used for obtaining according to the sign of described small-cell the Reference Signal Received Quality of all UE measurements of the described small-cell of access, and calculate the weighted average of described small-cell according to the Reference Signal Received Quality that all UE that access described small-cell measure;
The first processing module, whether needs carry out the transmitting power adjustment to be used for determining described small-cell according to the weighted average of described small-cell, if necessary, indicate described small-cell that the transmitting power of self is adjusted.
9. base station according to claim 8, is characterized in that, described receiver module comprises:
The first receiving element is used for receiving the measurement result that UE periodically directly reports;
The second receiving element be used for to receive the measurement result that the UE of the described small-cell of access that small-cell periodically reports reports.
10. base station according to claim 8, is characterized in that, described computing module comprises:
Acquiring unit is for the Reference Signal Received Quality of all UE measurements of obtaining the described small-cell of access according to the sign of described small-cell;
The first determining unit is used for the sign according to described small-cell, determines the transmission scheduling mode that described small-cell uses;
The first computing unit is used for according to account form corresponding to described transmission scheduling mode, and the Reference Signal Received Quality that accesses all UE measurements of described small-cell, calculates the weighted average of described small-cell.
11. base station according to claim 8 is characterized in that, described the first processing module comprises:
The second computing unit is for the weighted average sum of calculating all small-cells and as the first numerical value;
The second determining unit, if be used for described the first numerical value more than or equal to the weighted average of the second value of having stored and described small-cell greater than predetermined threshold value, determine described small-cell and need to carry out the transmitting power adjustment, described second value is the weighted average sum of nearest last all small-cells that calculate;
The first transmitting element is used for sending to described small-cell the indication information that reduces transmitting power, with the small-cell of indicating described transmitting power to be adjusted, transmitting power is reduced a power step size.
12. base station according to claim 11 is characterized in that, described base station also comprises:
The first processing module, if be used for described the first numerical value less than the second value of having stored, carry out the indication information of the small-cell transmission raising transmitting power of transmitting power adjustment to the nearest last time, to indicate the small-cell that the described nearest last time is carried out the transmitting power adjustment, transmitting power is improved a power step size.
13. base station according to claim 11 is characterized in that, described base station also comprises:
Update module, the second value that is used for having stored is updated to described the first numerical value.
14. base station according to claim 8 is characterized in that, described the first processing module comprises:
The 3rd determining unit be used for to be determined the average value ranges at the weighted average place of described small-cell;
The 4th determining unit is used for according to described average value ranges, searches the corresponding relation of the average value ranges of having stored and the mode of adjustment, if find out corresponding adjustment mode, determines described small-cell and need to carry out the transmitting power adjustment;
The second transmitting element is used for sending to described small-cell the indication information of adjusting transmitting power, carries described adjustment mode in the indication information of described adjustment transmitting power, adjusts transmitting power to indicate described small-cell according to described adjustment mode.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104507153A (en) * | 2014-12-10 | 2015-04-08 | 北京邮电大学 | Small cell power control method under OFDMA (orthogonal frequency division multiple-access) |
| CN105264975A (en) * | 2013-08-01 | 2016-01-20 | 华为技术有限公司 | Adjustment method and relevant device for downlink transmission power |
| CN105307243A (en) * | 2014-07-22 | 2016-02-03 | 中兴通讯股份有限公司 | Wireless access network as well as method and device for selecting service small cell of wireless access network |
| CN105792243A (en) * | 2014-12-22 | 2016-07-20 | 索尼公司 | Management device, measurement device, management method, measurement method and electronic equipment |
| CN106211296A (en) * | 2015-05-07 | 2016-12-07 | 工业和信息化部电信研究院 | A kind of base station power control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080102822A1 (en) * | 2006-11-01 | 2008-05-01 | Minghai Feng | Method of scheduling uplink resources in cellular communication system |
| CN102281571A (en) * | 2010-06-11 | 2011-12-14 | 电信科学技术研究院 | Power control method and equipment |
| WO2012071264A1 (en) * | 2010-11-24 | 2012-05-31 | Alcatel Lucent | Method and apparatus for interference suppression in heterogenous networks |
| CN102550095A (en) * | 2009-10-02 | 2012-07-04 | 京瓷株式会社 | Wireless communication system, network-side apparatus, small-cell base station, and transmission-power control method |
-
2013
- 2013-01-23 CN CN201310025146.7A patent/CN103118396B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080102822A1 (en) * | 2006-11-01 | 2008-05-01 | Minghai Feng | Method of scheduling uplink resources in cellular communication system |
| CN102550095A (en) * | 2009-10-02 | 2012-07-04 | 京瓷株式会社 | Wireless communication system, network-side apparatus, small-cell base station, and transmission-power control method |
| CN102281571A (en) * | 2010-06-11 | 2011-12-14 | 电信科学技术研究院 | Power control method and equipment |
| WO2012071264A1 (en) * | 2010-11-24 | 2012-05-31 | Alcatel Lucent | Method and apparatus for interference suppression in heterogenous networks |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264975A (en) * | 2013-08-01 | 2016-01-20 | 华为技术有限公司 | Adjustment method and relevant device for downlink transmission power |
| CN105307243A (en) * | 2014-07-22 | 2016-02-03 | 中兴通讯股份有限公司 | Wireless access network as well as method and device for selecting service small cell of wireless access network |
| CN104507153A (en) * | 2014-12-10 | 2015-04-08 | 北京邮电大学 | Small cell power control method under OFDMA (orthogonal frequency division multiple-access) |
| CN104507153B (en) * | 2014-12-10 | 2020-04-21 | 北京邮电大学 | Small cell power control method under OFDMA |
| CN105792243A (en) * | 2014-12-22 | 2016-07-20 | 索尼公司 | Management device, measurement device, management method, measurement method and electronic equipment |
| US11089531B2 (en) | 2014-12-22 | 2021-08-10 | Sony Corporation | Management apparatus, measurement apparatus, management method, measurement method and digital device with layer-3 filtering of measurement results |
| CN106211296A (en) * | 2015-05-07 | 2016-12-07 | 工业和信息化部电信研究院 | A kind of base station power control method |
| CN106211296B (en) * | 2015-05-07 | 2019-04-26 | 工业和信息化部电信研究院 | A kind of base station power control method |
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