CN106413073B - Dynamic power allocation method and device for MRRU cell - Google Patents

Dynamic power allocation method and device for MRRU cell Download PDF

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CN106413073B
CN106413073B CN201510461171.9A CN201510461171A CN106413073B CN 106413073 B CN106413073 B CN 106413073B CN 201510461171 A CN201510461171 A CN 201510461171A CN 106413073 B CN106413073 B CN 106413073B
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borrowing
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CN106413073A (en
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李军
赵伟
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading

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Abstract

The invention discloses a dynamic power distribution method for MRRU cells, which comprises the following steps: acquiring power information of each MRRU cell sector; calculating the residual power of each MRRU cell sector according to the power information; dynamically allocating the power of the MRRU cell sector according to the residual power of each MRRU cell sector; and scheduling the downlink data service according to the dynamically allocated power information. The invention also discloses a power dynamic allocation device of the MRRU cell. In the invention, under the condition of dispatching the downlink access service of the MRRU cell into the sectors, when the power of the sectors of the MRRU cell is used unevenly, the power of the sectors of the MRRU cell is dynamically distributed according to the residual power of the sectors of each MRRU cell, the power of the sectors of the MRRU cell with sufficient power is shared to the sectors of the MRRU cell with insufficient power, the imbalance of the power of the sectors can be dynamically adjusted, the power of the sectors is utilized to the maximum extent, and the throughput is improved.

Description

Dynamic power allocation method and device for MRRU cell
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a dynamic power allocation method and apparatus for an MRRU cell.
Background
In a mobile communication system, a Radio Remote Unit (RRU) separates a baseband Unit and a Radio frequency Unit of a base station, and converts a baseband optical signal into a Radio frequency signal at a Remote end for amplification and transmission. The RRU intensively places the large-capacity macro-cellular base stations in an available central machine room, the baseband part is intensively processed, and the radio frequency modules in the base stations are pulled to remote radio frequency units by adopting optical fibers and are respectively placed on the sites determined by network planning, so that a large number of machine rooms required by conventional solutions are saved; meanwhile, a large-capacity macro base station is adopted to support a large number of optical fibers to be pulled away, so that conversion between capacity and coverage can be realized.
In an MRRU (Multiple-Radio Remote Unit) scenario, an MRRU cell may simultaneously multiplex resources of Multiple RRUs: power resources and code channel resources. The power allocation of the MRRU cell is configured by parameter fixing.
The inventor finds that, in an MRRU scenario, when a user accesses, the user may reside in one sector in a cell or may reside in multiple sectors at the same time, and at this time, the power of some MRRU cells is insufficient or excessive, and the power used by the MRRU cells in the sectors is unbalanced, so that the power of the sectors cannot be fully utilized. The existing power sharing method relates to a single-sector scenario, solves the problem of power imbalance among common cells under the same RRU, shares a cell with excessive power to a cell with insufficient power, but cannot solve the scenario of MRRU cells under multiple RRUs.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method and a device for dynamically allocating power of MRRU cells, so as to solve the problem of unbalanced power used by MRRU cells in a sector in an MRRU scenario in the prior art.
In order to solve the above technical problem, the present invention provides a dynamic power allocation method for MRRU cells, including the following steps:
acquiring power information of each MRRU cell sector;
calculating the residual power of each MRRU cell sector according to the power information;
dynamically allocating the power of the MRRU cell sector according to the residual power of each MRRU cell sector;
and scheduling the downlink data service according to the dynamically allocated power information.
Further, before the obtaining the power information of each MRRU cell sector, the method further includes:
configuring the maximum sharing percentage, the borrowing power threshold percentage and the adjusting step length through parameters;
and establishing a sector super scheduler for each sector, and establishing a sector common scheduler for each corresponding MRRU cell sector.
Further, the step of acquiring the power information of each MRRU cell sector specifically includes: and the sector common scheduler reports the power information of the current MRRU cell sector to the sector super scheduler at regular time, wherein the power information comprises available power and used power.
Further, the step of calculating the remaining power of each MRRU cell sector specifically includes: and the sector super scheduler subtracts the used power from the available power of each MRRU cell sector to obtain the residual power of each MRRU cell sector.
Further, the step of dynamically allocating the power of the MRRU cell sector specifically includes:
the sector super scheduler judges whether a cell capable of borrowing power and a cell needing borrowing power exist according to the residual power of each MRRU cell sector; if yes, reallocating power and sending the reallocated power information to the sector ordinary scheduler;
and the common scheduler of the sector carries out downlink data service scheduling according to the received redistributed power information.
Further, the step of determining whether there is a cell capable of lending power specifically includes:
the sector super scheduler judges whether the cell meets the condition that the borrowing power is less than or equal to the maximum sharing percentage of the original sector power of the cell, and the current using power of the cell sector during borrowing power is less than the power of the sector after sharing the cell, namely the borrowing power threshold percentage, if so, the cell is the cell capable of borrowing power.
Further, the step of determining whether there is a cell requiring power borrowing specifically includes:
and the sector super scheduler judges whether the current use power of the sector of the cell is more than or equal to the power of the current sector of the cell and the borrowing power threshold percentage when the cell meets the borrowing power, and if so, the cell is the cell needing the borrowing power.
Further, the step of reallocating power specifically includes: and the sector super scheduler adjusts the power of a cell sector according to a preset adjustment step length, reduces the power of a plurality of adjustment step lengths for the cell which can borrow power, and increases the power of the corresponding adjustment step length for the cell which needs to borrow power.
The invention also provides a dynamic power allocation device for the MRRU cell, which comprises:
the sector super scheduler is used for acquiring the power information of each MRRU cell sector, calculating the residual power of each MRRU cell sector according to the power information, and dynamically allocating the power of each MRRU cell sector according to the residual power of each MRRU cell sector;
and the sector common scheduler is connected with the sector super scheduler and used for scheduling the downlink data service according to the dynamically allocated power information.
Further, the apparatus further comprises: and the parameter configuration unit is connected with the sector super scheduler and used for configuring the maximum sharing percentage, the borrowing power threshold percentage and the adjustment step length and sending the configured parameters to the sector super scheduler.
The invention has the following beneficial effects:
in the invention, under the condition of dispatching the downlink access service of the MRRU cell into the sectors, when the power of the sectors of the MRRU cell is used unevenly, the power of the sectors of the MRRU cell is dynamically distributed according to the residual power of the sectors of each MRRU cell, the power of the sectors of the MRRU cell with sufficient power is shared to the sectors of the MRRU cell with insufficient power, the imbalance of the power of the sectors can be dynamically adjusted, the power of the sectors is utilized to the maximum extent, and the throughput is improved.
Drawings
Fig. 1 is a flowchart of a dynamic power allocation method for an MRRU cell according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a dynamic power allocation apparatus for an MRRU cell according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a dynamic power allocation apparatus for MRRU cells according to embodiments 3 and 4 of the present invention;
fig. 4 is a flowchart of a dynamic power allocation method for MRRU cells according to embodiments 3 to 5 of the present invention;
FIG. 5 is a flow chart of the algorithm for dynamic adjustment according to embodiments 3 to 5 of the present invention;
fig. 6 is a schematic structural diagram of a dynamic power allocation apparatus for an MRRU cell according to embodiment 5 of the present invention.
Detailed Description
In order to solve the problem of unbalanced power used by MRRU cells in a sector in an MRRU scenario in the prior art, the present invention provides a method and an apparatus for dynamically allocating power to an MRRU cell, and the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Example 1
The flow of the dynamic power allocation method for the MRRU cell according to the embodiment of the present invention is shown in fig. 1, and includes the following steps:
step s101, after the system is started, configuring the maximum sharing percentage a and the borrowing power threshold percentage T by the parametersinLending a power threshold percentage ToutAnd adjusting the step length Tstep. Wherein the borrowing power threshold percentage TinWhen the borrowing power is needed, the ratio of the used power to the available power is determined; lending out a power threshold percentage ToutIs the ratio of the power used to the power available when power can be borrowed.
And step s102, establishing a sector super scheduler for each sector, and establishing a sector common scheduler for each corresponding MRRU cell sector.
The sector super scheduler is used for acquiring power information of all MRRU cells in a sector, wherein the power information comprises available power, used power, original configuration maximum power and adjusted maximum power; determining the most sufficient MRRU cell and the most lack MRRU cell according to the residual power sequence; and reallocating the power according to a certain rule, and sending the reallocated information to the corresponding sector ordinary scheduler.
The sector common scheduler is used for carrying out service scheduling according to the power information reconfigured by the sector super scheduler; and refreshing the power information after scheduling, and informing the sector super scheduler of the information to perform next dynamic allocation.
Step s103, acquiring power information of each MRRU cell sector. In this embodiment, the step of obtaining the power information of each MRRU cell sector specifically includes: and the sector common scheduler reports the power information of the current MRRU cell sector to the sector super scheduler at regular time, wherein the power information comprises available power and used power.
And step s104, calculating the residual power of each MRRU cell sector according to the power information. In this embodiment, the step of calculating the remaining power of each MRRU cell sector specifically includes: and the sector super scheduler subtracts the used power from the available power of each MRRU cell sector respectively to obtain the residual power of each MRRU cell sector.
And step s105, dynamically allocating the power of the MRRU cell sector according to the residual power of each MRRU cell sector. In this embodiment, the step of dynamically allocating the power of the MRRU cell sector specifically includes:
(1) the sector super scheduler judges whether a cell capable of borrowing power and a cell needing borrowing power exist according to the residual power of each MRRU cell sector; if so, power is reallocated and the reallocated power information is sent to the sector normal scheduler.
In this embodiment, the step of determining whether there is a cell capable of lending power specifically includes: the sector super scheduler judges whether the cell meets the condition that the borrowing power is less than or equal to the maximum sharing percentage of the original sector power of the cell, and the current using power of the cell sector during borrowing power is less than the power of the sector after sharing the cell, namely the borrowing power threshold percentage, if so, the cell is the cell capable of borrowing power.
In this embodiment, the step of determining whether there is a cell requiring power borrowing specifically includes: and judging whether the current use power of the cell sector is more than or equal to the power of the cell current sector and the borrowing power threshold percentage when the cell meets the borrowing power, if so, the cell is the cell needing the borrowing power.
In this embodiment, the step of reallocating power specifically includes: the sector super scheduler adjusts the power of the sector of the cell according to the preset adjustment step length, reduces the power of a plurality of adjustment step lengths for the cell which can borrow the power, and increases the power of the corresponding adjustment step length for the cell which needs to borrow the power.
(2) And the common scheduler of the sector carries out downlink data service scheduling according to the received redistributed power information.
And step s106, performing downlink data service scheduling according to the dynamically allocated power information.
Example 2
An independent power dynamic allocation device is established in each sector according to an embodiment of the present invention, and as shown in fig. 2, the power dynamic allocation device for an MRRU cell according to this embodiment includes a parameter configuration unit 21, a sector super scheduler 22, and a sector normal scheduler 23, where the sector super scheduler 22 is connected to the parameter configuration unit 21 and the sector normal scheduler 23, respectively.
The parameter configuration unit 21 is configured to configure the maximum sharing percentage, the borrowing power threshold percentage, and the adjustment step size, and send the configured parameters to the sector super scheduler 22.
The sector super scheduler 22 is configured to obtain power information of each MRRU cell sector, calculate a remaining power of each MRRU cell sector according to the power information, and dynamically allocate the power of each MRRU cell sector according to the remaining power of each MRRU cell sector.
The sector ordinary scheduler 23 is configured to perform downlink data traffic scheduling according to the dynamically allocated power information.
Example 3
In this embodiment, an MRRU cell with 3 RRUs is taken as an example, and the device structure is shown in fig. 3, where the number of cells is 2, and the number of cells is MCell1 and MCell 2. There is one user accessing sectors 1 and 2 of the cell of MCell1 and one user accessing sectors 2 and 3 of the cell of MCell 2. Adjusting step length TstepIs 1w, and is adjusted rapidly.
The flow of the power dynamic allocation method of this embodiment is shown in fig. 4, and includes the following steps:
1. configuring sector sharing percentage a and cell maximum configuration power value P through network management parametersmaxSector borrowing power threshold TinThe sector can borrow out the power threshold value Tout、Adjusting step length Tstep. Setting a 50% Tin＝75％Tout＝65％，
Wherein the content of the first and second substances,
Tinthe ratio of the used power to the available power when the borrowing power is needed.
ToutThe ratio of the power used to the power available when power can be borrowed.
2. And establishing a sector super scheduler for each sector, and establishing a sector common scheduler for each MRRU cell sector under the corresponding sector super scheduler. Three super schedulers, Sector1, Sector2 and Sector3, are established, and 6-Sector ordinary schedulers, C1_ S1, C1_ S2, C1_ S3, C2_ S1, C2_ S2 and C2_ S3 are established.
3. And reporting the current MRRU cell sector use power and the available MRRU cell sector power to the sector super scheduler by each sector normal scheduler every 10 ms. Reported value is Pavail_11、Pavail_21、Pavail_31、Puse_11、Puse_21、Puse_31。
4. And the sector super scheduler subtracts the used power according to the available power of the cell power to obtain the residual power, and sorts the residual power from large to small. Sequentially checking whether the power threshold which can be borrowed by the sector is met, and finding out a cell which can borrow power; and then checking whether the power threshold required to be borrowed by the sector is met, and finding out the power cell required to be borrowed. If the adjustment step length can be found, the borrowed power cell is decreased by 1w, the borrowed power cell is increased by 1 step length, and the adjustment step length is 1 w. If not, no power reallocation is performed. And sending the cell power information in the latest sector to the ordinary schedulers of all sectors. The algorithm flow of the dynamic adjustment of the present embodiment is shown in fig. 5:
1) calculating the residual power of the sector by the following formula: premain＝Pavail-Puse,
2) According to PremainSorting from big to small, judging whether the cells meet the following conditions from front to back until n-1 cells meet the conditions:
a. the borrowed power cannot exceed the cell original sector power by the maximum share percentage a.
Namely: premain>＝Pmax*(1-a)
b. When borrowing power, the current power used by the sector of the cell must be less than the power of the sector after sharing the cell by the power threshold percentage.
Namely: puse<＝Pmax_s*Tout
And after finding the MRRU cell sector meeting the condition, continuing to borrow the following MRRU cell sector, and otherwise, ending the sharing.
The borrowing cell must satisfy the following conditions:
a. when borrowing power, the current used power of the sector of the cell must be more than or equal to the current sector power of the cell by the power threshold percentage.
Namely: puse<＝Pmax_s*Tin
If finding that the MRRU cell can be borrowed, continuing to execute, otherwise ending the sharing.
3) Adjusted according to the set step size, 1 sector P of MCell2 max_s1 sector P of 1w, MCell1 is reducedmax_s3 sectors P increased by 1w, MCell1 max_s3 sectors P of 1w, MCell2 are reducedmax_sIncreasing by 1 w. And sends the adjusted power information to the ordinary scheduler of each sector.
5. The sector super scheduler sends the latest dynamically allocated power situation to the sector ordinary scheduler. The power information is sent to C1_ S1, C1_ S2, C1_ S3, C2_ S1, C2_ S2 and C2_ S3 by Sector1, Sector2 and Sector 3.
And 6, the MRRU cell sector carries out downlink data service scheduling according to the received power information. Received power is Pmax_s。
7. Wait for the next 10ms to enter the next share.
Example 4
In this embodiment, an MRRU cell with 3 RRUs is taken as an example, and the device structure is shown in fig. 3, where the number of cells is 2, and the cells are MCell1 and MCell2, respectively. And one user accesses to sectors 1 and 2 of the MCell1 cell, and one user accesses to sectors 2 and 3 of the MCell2 cell, the step length is adjusted to be 0.5w, and the adjustment is carried out at a slow speed.
The flow of the power dynamic allocation method of this embodiment is shown in fig. 4, and includes the following steps:
1. configuring sector sharing percentage a and cell maximum configuration power value P through network management parametersmaxSector borrowing power threshold TinThe sector can borrow out the power threshold value Tout、Adjusting step length Tstep. Setting a 50% Tin＝75％Tout＝65％，
Wherein the content of the first and second substances,
Tinthe ratio of the used power to the available power when the borrowing power is needed.
ToutThe ratio of the power used to the power available when power can be borrowed.
2. And establishing a sector super scheduler for each sector, and establishing a sector common scheduler for each MRRU cell sector under the corresponding sector super scheduler. Three super schedulers, Sector1, Sector2 and Sector3, are established, and 6-Sector ordinary schedulers, C1_ S1, C1_ S2, C1_ S3, C2_ S1, C2_ S2 and C2_ S3 are established.
3. And reporting the current MRRU cell sector use power and the available MRRU cell sector power to the sector super scheduler by each sector normal scheduler every 10 ms. Reported value is Pavail_11、Pavail_21、Pavail_31、Puse_11、Puse_21、Puse_31。
4. And the sector super scheduler subtracts the used power according to the available power of the cell power to obtain the residual power, and sorts the residual power from large to small. Sequentially checking whether the power threshold which can be borrowed by the sector is met, and finding out a cell which can borrow power; and then checking whether the power threshold required to be borrowed by the sector is met, and finding out the power cell required to be borrowed. If the borrowed power cell can be found, the borrowed power cell is reduced by 0.5w, the borrowed power cell is increased by 1 step length, and the step length is adjusted to be 0.5 w. If not, no power reallocation is performed. And sending the cell power information in the latest sector to the ordinary schedulers of all sectors. The algorithm flow of the dynamic adjustment of the present embodiment is shown in fig. 5:
1) calculating the residual power of the sector by the following formula: premain＝Pavail-Puse；
2) According to PremainSorting from big to small, judging whether the cells meet the following conditions from front to back until n-1 cells meet the conditions:
a. the borrowed power cannot exceed the cell original sector power by the maximum share percentage a.
Namely: premain>＝Pmax*(1-a)
b. When borrowing power, the current power used by the sector of the cell must be less than the power of the sector after sharing the cell by the power threshold percentage.
Namely: puse<＝Pmax_s*Tout
And after finding the MRRU cell sector meeting the condition, continuing to borrow the following MRRU cell sector, and otherwise, ending the sharing.
The borrowing cell must satisfy the following conditions:
a. when borrowing power, the current used power of the sector of the cell must be more than or equal to the current sector power of the cell by the power threshold percentage.
Namely: puse<＝Pmax_s*Tin
If finding that the MRRU cell can be borrowed, continuing to execute, otherwise ending the sharing.
3) Adjusting according to the set step length, 3 sectors P of MCell2max_sReduced by 0.5w, 1 sector P of MCell1 max_s2 sectors P of MCell 3 increased by 0.5wmax_sReduced by 0.5w, 3 sectors P of MCell1max_sIncreasing by 0.5 w. And sends the adjusted power information to the ordinary scheduler of each sector.
5. The sector super scheduler sends the latest dynamically allocated power situation to the sector ordinary scheduler. The power information is sent to C1_ S1, C1_ S2, C1_ S3, C2_ S1, C2_ S2 and C2_ S3 by Sector1, Sector2 and Sector 3.
And 6, the MRRU cell sector carries out downlink data service scheduling according to the received power information. Received power is Pmax_s。
7. Wait for the next 10ms to enter the next share.
Example 5
In this embodiment, an MRRU cell with 2 RRUs is taken as an example, and the device structure is shown in fig. 6, where the number of cells is 3, and the cells are MCell1, MCell2, and MCell 3, respectively. And one user accesses 1 sector and 2 sectors of the MCell1 cell, one user accesses 1 sector and 2 sectors of the MCell2 cell, the 1 sector and the 2 sectors of the MCell 3 cell are idle, and the adjustment step length is 1 w.
The flow of the power dynamic allocation method of this embodiment is shown in fig. 4, and includes the following steps:
1. configuring sector sharing percentage a and cell maximum configuration power value P through network management parametersmaxSector borrowing power threshold TinThe sector can borrow out the power threshold value Tout、Adjusting step length Tstep. Setting a to 50%, Tin＝75％，Tout＝65％，
Wherein the content of the first and second substances,
Tinthe ratio of the used power to the available power when the borrowing power is needed.
ToutThe ratio of the power used to the power available when power can be borrowed.
2. And establishing a sector super scheduler for each sector, and establishing a sector common scheduler for each MRRU cell sector under the corresponding sector super scheduler. Two super schedulers Sector1 and Sector2 are established, and 6-Sector ordinary schedulers C1_ S1, C1_ S2, C2_ S1, C2_ S2, C3_ S1 and C3_ S2 are established.
3. And reporting the current MRRU cell sector use power and the available MRRU cell sector power to the sector super scheduler by each sector normal scheduler every 10 ms. Reported value is Pavail_11、Pavail_21、Puse_11、Puse_21
4. And the sector super scheduler subtracts the used power according to the available power of the cell power to obtain the residual power, and sorts the residual power from large to small. Sequentially checking whether the power threshold which can be borrowed by the sector is met, and finding out a cell which can borrow power; and then checking whether the power threshold required to be borrowed by the sector is met, and finding out the power cell required to be borrowed. If both can be found, the borrowed power cell is decreased by 1w and the borrowed power cell is increased by 1 w. If not, no power reallocation is performed. And sending the cell power information in the latest sector to the ordinary schedulers of all sectors. The algorithm flow of the dynamic adjustment of the present embodiment is shown in fig. 5:
1) calculating the residual power of the sector by the following formula: premain＝Pavail-Puse,
2) According to PremainSorting from big to small, judging whether the cells meet the following conditions from front to back until n-1 cells meet the conditions:
a. the borrowed power cannot exceed the cell original sector power by the maximum share percentage a.
Namely: premain>＝Pmax*(1-a)
b. When borrowing power, the current power used by the sector of the cell must be less than the power of the sector after sharing the cell by the power threshold percentage.
Namely: puse<＝Pmax_s*Tout
And after finding the MRRU cell sector meeting the condition, continuing to borrow the following MRRU cell sector, and otherwise, ending the sharing.
The borrowing cell must satisfy the following conditions:
a. when borrowing power, the current used power of the sector of the cell must be more than or equal to the current sector power of the cell by the power threshold percentage.
Namely: puse<＝Pmax_s*Tin
If finding that the MRRU cell can be borrowed, continuing to execute, otherwise ending the sharing.
3) Adjusting according to the set step length, 1 sector P of MCell 3max_s1 sector P of 1w, MCell1 is reducedmax_s2 sectors P increased by 1w, MCell13max_sReducing 2 sectors P of 1w, MCell2max_sIncreasing by 1 w. And sends the adjusted power information to the ordinary scheduler of each sector.
5. The sector super scheduler sends the latest dynamically allocated power situation to the sector ordinary scheduler. The Sector1 and the Sector2 send the power information to C1_ S1, C1_ S2, C2_ S1, C2_ S2, C3_ S1 and C3_ S2.
And 6, the MRRU cell sector carries out downlink data service scheduling according to the received power information. Received power is Pmax_s。
7. Wait for the next 10ms to enter the next share.
In the invention, under the condition of dispatching the downlink access service of the MRRU cell into the sectors, when the power of the sectors of the MRRU cell is used unevenly, the power of the sectors of the MRRU cell is dynamically distributed according to the residual power of the sectors of each MRRU cell, the power of the sectors of the MRRU cell with sufficient power is shared to the sectors of the MRRU cell with insufficient power, the imbalance of the power of the sectors can be dynamically adjusted, the power of the sectors is utilized to the maximum extent, and the throughput is improved.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.

Claims (10)

1. A dynamic power allocation method for MRRU cells, the method comprising:
acquiring power information of each MRRU cell sector;
calculating the residual power of each MRRU cell sector according to the power information;
judging whether a cell capable of borrowing power and a cell needing borrowing power exist according to the residual power of each MRRU cell sector; if so, dynamically distributing the power of the MRRU cell sector, reducing the power of a plurality of adjustment step lengths for the cell which can borrow the power, and increasing the power of the corresponding adjustment step length for the cell which needs to borrow the power;
and scheduling the downlink data service according to the dynamically allocated power information.
2. The dynamic power allocation method for MRRU cells as claimed in claim 1, wherein before the obtaining the power information of each MRRU cell sector, further comprising:
configuring the maximum sharing percentage, the borrowing power threshold percentage and the adjusting step length through parameters;
and establishing a sector super scheduler for each sector, and establishing a sector common scheduler for each corresponding MRRU cell sector.
3. The dynamic power allocation method for MRRU cells as claimed in claim 2, wherein the step of obtaining the power information of each MRRU cell sector specifically includes: and the sector common scheduler reports the power information of the current MRRU cell sector to the sector super scheduler at regular time, wherein the power information comprises available power and used power.
4. The dynamic power allocation method for MRRU cells as claimed in claim 3,
the step of calculating the remaining power of each MRRU cell sector specifically includes: and the sector super scheduler subtracts the used power from the available power of each MRRU cell sector to obtain the residual power of each MRRU cell sector.
5. The dynamic power allocation method for the MRRU cell as claimed in claim 4, wherein the step of dynamically allocating the power of the MRRU cell sector specifically includes:
the sector super scheduler judges whether a cell capable of borrowing power and a cell needing borrowing power exist according to the residual power of each MRRU cell sector; if yes, reallocating power and sending the reallocated power information to the sector ordinary scheduler;
and the common scheduler of the sector carries out downlink data service scheduling according to the received redistributed power information.
6. The dynamic power allocation method for MRRU cells as claimed in claim 5, wherein the step of determining whether there is a cell capable of lending power comprises:
the sector super scheduler judges whether the cell meets the condition that the borrowing power is less than or equal to the maximum sharing percentage of the original sector power of the cell, and the current using power of the cell sector during borrowing power is less than the power of the sector after sharing the cell, namely the borrowing power threshold percentage, if so, the cell is the cell capable of borrowing power.
7. The dynamic power allocation method for MRRU cells as claimed in claim 5, wherein the step of determining whether there is a cell requiring power borrowing specifically comprises:
and the sector super scheduler judges whether the current use power of the sector of the cell is more than or equal to the power of the current sector of the cell and the borrowing power threshold percentage when the cell meets the borrowing power, and if so, the cell is the cell needing the borrowing power.
8. The dynamic power allocation method for the MRRU cell as claimed in claim 5, wherein the step of reallocating power specifically includes: and the sector super scheduler adjusts the power of a cell sector according to a preset adjustment step length, reduces the power of a plurality of adjustment step lengths for the cell which can borrow power, and increases the power of the corresponding adjustment step length for the cell which needs to borrow power.
9. An apparatus for dynamic allocation of power for an MRRU cell, the apparatus comprising:
the sector super scheduler is used for acquiring power information of each MRRU cell sector, calculating the residual power of each MRRU cell sector according to the power information, and judging whether a cell capable of borrowing power and a cell needing borrowing power exist according to the residual power of each MRRU cell sector; if so, dynamically distributing the power of the MRRU cell sector, reducing the power of a plurality of adjustment step lengths for the cell which can borrow the power, and increasing the power of the corresponding adjustment step length for the cell which needs to borrow the power;
and the sector common scheduler is connected with the sector super scheduler and used for scheduling the downlink data service according to the dynamically allocated power information.
10. The apparatus for dynamically allocating power of an MRRU cell as claimed in claim 9, wherein the apparatus further comprises: and the parameter configuration unit is connected with the sector super scheduler and used for configuring the maximum sharing percentage, the borrowing power threshold percentage and the adjustment step length and sending the configured parameters to the sector super scheduler.
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