CN107113734A

CN107113734A - Small base station transmitting power management method, equipment and system

Info

Publication number: CN107113734A
Application number: CN201580071545.4A
Authority: CN
Inventors: 郭博伦; 陈继明; 伍勇
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-04-27
Filing date: 2015-04-27
Publication date: 2017-08-29
Also published as: WO2016172826A1

Abstract

The embodiment of the present invention provides a kind of small base station transmitting power management method, equipment and system, and the method includes：First small base station receives the measurement report that N number of UE of the first small BTS management is reported, and each measurement report includes sending the channel quality of the UE measurements of the measurement report；Channel quality of the first small base station in N number of measurement report, determines the current average channel quality of the described first small base station；The first small base station obtains first small base station transmission power to be used according at least one in the present load and current transmission power of the described first small base station, and the current average channel quality.It is at least one in the present load and current transmission power according to the first small base station due to the first small base station transmission power to be used, and current average channel quality acquisition, so as to reduce the interference of the first small base station to adjacent small base station and macro base station, network throughput is improved.

Description

Small base station transmitting power management method, equipment and system

Technical field

The present embodiments relate to field of communication technology more particularly to a kind of small base station transmitting power management methods, equipment and system.

Background technique

With the demand of the increasingly increased mobile data services of user, intensive small base station deployment scheme is received more and more attention.In heterogeneous wireless network (English: Heterogeneous Network, in referred to as: HetNet), macro base station and small base station are disposed with frequency, but the transmission power of macro base station is greater than the transmission power of small base station, therefore will appear serious interference between macro base station and small base station.But when small base station dense deployment, such as in the coverage area of a macro base station, at least 200 small base stations may be placed, since there is sighting distance or overlapping covering in small base station, therefore the interference between small base station becomes more prominent, intensive small base station is also stronger to the interference of macro base station simultaneously, reduces network throughput.

Summary of the invention

The embodiment of the present invention provides a kind of small base station transmitting power management method, equipment and system, for reducing interference of the small base station to adjacent small base station and macro base station, improves network throughput.

First aspect, the embodiment of the present invention provides a kind of small base station, as the first small base station, it include: Transmit-Receive Unit, for receiving N number of user equipment (User Equipment of the described first small BTS management, the measurement report referred to as: UE) reported, each measurement report include the channel quality for sending the UE measurement of the measurement report；Processing unit, for determining the current average channel quality of the described first small base station according to the channel quality in N number of measurement report；And according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, obtain the first small base station transmission power ready for use.

In the first possible implementation of the first aspect, the processing unit is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality is specifically used for when obtaining first small base station transmission power ready for use:

It is greater than channel quality thresholds according to the current average channel quality and the present load is big In load threshold, determine that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is greater than channel quality thresholds according to the current average channel quality and the present load is not more than load threshold, determines that the described first small base station makes stand-by the second transmission power of transmission power；Alternatively,

It is greater than the second transmission power no more than channel quality thresholds and the current transmission power according to the current average channel quality, determines that the described first small base station transmission power ready for use is second transmission power；Alternatively,

It is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than second transmission power, and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than the second transmission power, and the present load is not more than load threshold, determines that the described first small base station transmission power ready for use is second transmission power；

Wherein, first transmission power is greater than second transmission power.

In the second possible implementation of the first aspect, the processing unit is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality, when obtaining the described first small base station transmission power ready for use, it is specifically used for: sends the current average channel quality and the present load of the described first small base station to macro base station；The first small base station is any small base station in the macro base station coverage area；

It receives the macro base station and indicates that information, the power distribution instruction information are used to indicate the described first small base station transmission power ready for use according to the power distribution that the current average channel quality of the described first small base station and the present load are sent；

Indicate that information determines the described first small base station transmission power ready for use according to the power distribution.

The possible implementation of second with reference to first aspect, in a third possible implementation of the first aspect, each measurement report further include sending the mark of the strongest adjacent small base station of interference of UE measurement of the measurement report；

The processing unit is also used to before receiving the power distribution instruction information that the macro base station is sent, according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and it is described H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report；And the adjacent small Base Station Identification collection is sent to the macro base station.

The third possible implementation with reference to first aspect, in a fourth possible implementation of the first aspect, the processing unit is when receiving the power distribution instruction information that the macro base station is sent according to the current average channel quality of the described first small base station and the present load, it is specifically used for: receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, the power distribution of transmission indicates information.

The 4th kind of possible implementation with reference to first aspect, in the fifth possible implementation of the first aspect, the processing unit is also used to before receiving the power distribution instruction information that the macro base station is sent, and Xiang Suoshu macro base station sends the current transmission power of the described first small base station.

The 5th kind of possible implementation with reference to first aspect, in the sixth possible implementation of the first aspect, the processing unit is receiving the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, when the power distribution sent indicates information, it is specifically used for: the current average channel quality for receiving the macro base station according to the described first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection, the power distribution sent indicates information.

Any one of second with reference to first aspect into the 6th kind of possible implementation, in a seventh possible implementation of the first aspect, it is the first transmission power or the second transmission power that the power distribution instruction information, which is used to indicate the described first small base station transmission power ready for use, and first transmission power is greater than second transmission power.

The possible implementation of with reference to first aspect the first or the 7th kind of possible implementation, in the 8th kind of possible implementation of first aspect, second transmission power is zero transmission power.

The possible implementation of with reference to first aspect the first or the 7th kind of possible implementation or the 8th kind of possible implementation, in the 9th kind of possible implementation of first aspect, the processing unit is also used to dispatch the first UE and carries out business transmission when the described first small base station is using first transmission power；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

The processing unit is also used to dispatch the 2nd UE and carries out business transmission when the described first small base station is using second transmission power；2nd UE is the carry out low-load of the described first small BTS management or any UE of low data rate services.

Any one in the possible implementation of with reference to first aspect the first or the 7th kind to the 9th kind possible implementation, in the tenth kind of possible implementation of first aspect, the Transmit-Receive Unit, it is also used to when the described first small base station is using second transmission power, scheduling instruction information is sent to adjacent small base station, the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.

Any one in the possible implementation of with reference to first aspect the first or the 7th kind to the tenth kind possible implementation, in a kind of the tenth possible implementation of first aspect, when the described first small base station uses second transmission power or first transmission power, the transmission power of the reference signal of the first small base station is the current transmission power of the described first small base station.

With reference to first aspect or the first any one into a kind of the tenth possible implementation of first aspect, in the 12nd kind of possible implementation of first aspect, the processing unit is also used to, when the change rate of the described first small base station loaded within a preset time is greater than first threshold, the time cycle of reduction N number of UE reporting measurement reports；When the change rate of the described first small base station loaded within a preset time is less than second threshold, the time cycle of increase N number of UE reporting measurement reports；

Wherein, the first threshold is greater than or equal to the second threshold.

With reference to first aspect or the first any one into the 12nd kind of possible implementation of first aspect, in the 13rd kind of possible implementation of first aspect, the processing unit is according to the channel quality in N number of measurement report, when determining the current average channel quality of the described first small base station, be specifically used for: the weighted average for determining the channel quality in N number of measurement report is the current momentary channel quality of the described first small base station；And the current momentary channel quality of the average channel quality, the first small base station obtained according to described first small base station last time, obtain current average channel quality described in the first small base station.

Second aspect, the embodiment of the present invention provide a kind of macro base station, comprising: receiving unit, for receiving the current average channel quality and present load of the described first small base station that the first small base station is sent；The first small base station is any small base station in the macro base station coverage area；Processing unit, for determining the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load；Transmission unit, for the described first small base-station transmitting-power distribution instruction information, it is ready for use that the power distribution instruction information is used to indicate the described first small base station Transmission power.

In the first possible implementation of the second aspect, the processing unit is specifically used for, it is greater than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is not more than load threshold according to the present load that the current average channel quality of the described first small base station is greater than channel quality thresholds and the first small base station, determines that the described first small base station transmission power ready for use is the second transmission power；Alternatively,

The present load according to the current average channel quality of the described first small base station no more than channel quality thresholds and the first small base station is less than load threshold, determines that the described first small base station transmission power ready for use is the second transmission power；

Wherein, first transmission power is greater than second transmission power.

In a second possible implementation of the second aspect, the receiving unit is also used in the processing unit according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, receive the adjacent small Base Station Identification collection for the described first small base station that the described first small base station is sent, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, and the H is the integer more than or equal to 1；

The processing unit is specifically used for, when the current average channel quality of the described first small base station is not more than channel quality thresholds, and the present load of the first small base station be not less than load threshold when, according to the adjacent small Base Station Identification collection, the present load of the H adjacent small base stations is obtained；And the present load according to the H adjacent small base stations, determine the described first small base station transmission power ready for use.

In second of possible implementation in conjunction with second aspect, in the third possible implementation of the second aspect, the processing unit is in the present load according to the H adjacent small base stations, when determining the described first small base station transmission power ready for use, it is specifically used for: when the present load of the adjacent small base stations the H is respectively less than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power.

In second of possible implementation in conjunction with second aspect, in the fourth possible implementation of the second aspect, the receiving unit is also used to the present load in the processing unit according to the H adjacent small base stations, before determining the described first small base station transmission power ready for use, described in reception The current transmission power for the described first small base station that first small base station is sent；

The processing unit when determining the described first small base station transmission power ready for use, is specifically used in the present load according to the adjacent small base station the H:

When the present load of at least one adjacent small base station in the H adjacent small base stations is not less than the load threshold, according to the present load and the load threshold of the H adjacent small base stations, determine that present load is not less than L adjacent small base stations of the load threshold in the H adjacent small base stations, 1≤L < H, and the L is integer；Obtain the current average channel quality and current transmission power of the L adjacent small base stations；And

According to the current average channel quality of the described first small base station and current transmission power and the current average channel quality and current transmission power of the L adjacent small base stations, the described first small base station and the L adjacent small base station transmission powers ready for use are determined；Wherein, the described first small base station and the L adjacent small base station transmission powers ready for use make the weighted average of the average channel quality of the described first small base station and the L adjacent small base stations maximum；One of them small base station transmission power ready for use in the first small base station and the L adjacent small base stations is the first transmission power, and the small base station transmission power ready for use described in the first small base station and the L adjacent small base stations in addition to transmission power ready for use is the small base station of first transmission power is the second transmission power；

Wherein, first transmission power is greater than second transmission power.

In the 4th kind of possible implementation in conjunction with second aspect, in a fifth possible implementation of the second aspect, the processing unit is in the current average channel quality and current transmission power according to the current average channel quality and current transmission power of the described first small base station and the L adjacent small base stations, when determining the described first small base station and the L adjacent small base stations transmission power ready for use, it is specifically used for:

First transmission power is used to the second small base station in the first small collection of base stations, second transmission power is used to the small base station in the described first small collection of base stations in addition to the described second small base station, L+1 different power combinations are obtained, each power combination includes the transmission power that the described first small base station and the L adjacent small base stations use；The first small collection of base stations includes the described first small base station and the L adjacent small base stations, and the second small base station is any small base station in the described first small collection of base stations；

Correspond to the L a adjacent for the current average channel quality and the current transmission powers of the adjacent small base stations the L for corresponding to the described first small base station according to the current transmission power of the described first small base station The current average channel quality of small base station determines the average channel quality of each corresponding first small base station of power combination and the L adjacent small base stations in the L+1 power combination；

In the weighted average for determining the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations；

By in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, the transmission power that the first small base station and the L adjacent small base stations use is respectively as the described first small base station and the L adjacent small base station transmission powers ready for use.

In the 5th kind of possible implementation in conjunction with second aspect, in the sixth possible implementation of the second aspect, the processing unit will the maximum first small base station and the L adjacent small base stations average channel quality weighted average corresponding in power combination, before the transmission power that the first small base station and the L adjacent small base stations use is as the described first small base station and the L adjacent small base station transmission powers ready for use, it is also used to:

When the power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the adjacent small base station the L that currently determine is identical as power combination corresponding to the weighted average of the average channel quality for the maximum first small base station and the L adjacent small base station that the macro base station last time determines, determine the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is not less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines.

In the 6th kind of possible implementation in conjunction with second aspect, in the 7th kind of possible implementation of second aspect, the processing unit is also used to, by the weighted average of the average channel quality of the last maximum first small base station determined of storage and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.

In conjunction with second aspect the 6th kind of possible implementation in or the 7th kind of possible implementation, in the 8th kind of possible implementation of second aspect, the processing unit is also used to:

If the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, is less than, what the last time of the macro base station storage determined The weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations；Determine that the small base station of third transmission power ready for use is the second transmission power, the small base station of third is the small base station of currently used first transmission power in the described first small collection of base stations；

First transmission power is used to the 4th small base station in the second small collection of base stations, the second transmission power is used to the small base station in addition to the 4th small base station in the described second small collection of base stations, obtains L different power combinations；The second small base station set includes all small base stations in the described first small base station and the L adjacent small base stations in addition to the small base station of the third；Each power combination includes the transmission power that each small base station of the described second small collection of base stations uses；The 4th small base station is any small base station in the described second small collection of base stations；

Determine the average channel quality of each small base station in the L power combination in the corresponding second small base station set of each power combination；

In the weighted average for determining the average channel quality of each small base station in the described second small collection of base stations, the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations；

By transmission power that in power combination corresponding to the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations, each small base station of the second small collection of base stations is used as each small base station transmission power ready for use in the described second small collection of base stations.

In conjunction with any one in the first possible implementation of second aspect or the 4th kind to the 8th kind possible implementation, in the 9th kind of possible implementation of second aspect, second transmission power is zero transmission power.

The first in conjunction with second aspect may be to any one in the 9th kind of possible implementation, in the tenth kind of possible implementation of second aspect, the processing unit is also used to according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, the current average channel quality of M small base stations in the coverage area of the macro base station is obtained；The M small base stations include the described first small base station and the H adjacent small base stations, and the M is the integer more than or equal to H+1；And determine that the weighted average of the current average channel quality of the small base station M is the channel quality thresholds.

The third aspect, the embodiment of the present invention provide a kind of small base station transmitting power management method, which comprises

First small base station receives the measurement report that N number of UE of the described first small BTS management is reported, and each measurement report includes the channel quality for sending the UE measurement of the measurement report；

The first small base station determines the current average channel quality of the described first small base station according to the channel quality in N number of measurement report；

The first small base station obtains the first small base station transmission power ready for use according at least one of the present load of the described first small base station and current transmission power and the current average channel quality.

In the first possible implementation of the third aspect, the first small base station is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality, obtain the first small base station transmission power ready for use, comprising:

The first small base station is greater than channel quality thresholds according to the current average channel quality and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

The first small base station is greater than channel quality thresholds according to the current average channel quality and the present load is not more than load threshold, determines that the described first small base station makes stand-by the second transmission power of transmission power；Alternatively,

The first small base station is greater than the second transmission power no more than channel quality thresholds and the current transmission power according to the current average channel quality, determines that the described first small base station transmission power ready for use is second transmission power；Alternatively,

The first small base station is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than second transmission power, and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

The first small base station is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than the second transmission power, and the present load is not more than load threshold, determines that the described first small base station transmission power ready for use is second transmission power；

Wherein, first transmission power is greater than second transmission power.

In the second possible implementation of the third aspect, the first small base station is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality, obtain the first small base station transmission power ready for use, comprising:

The first small base station sends the current average channel of the described first small base station to macro base station Quality and the present load；The first small base station is any small base station in the macro base station coverage area；

The first small base station receives the macro base station and indicates that information, the power distribution instruction information are used to indicate the described first small base station transmission power ready for use according to the power distribution that the current average channel quality of the described first small base station and the present load are sent；

The first small base station indicates that information determines the described first small base station transmission power ready for use according to the power distribution.

In conjunction with second of possible implementation of the third aspect, in the third possible implementation of the third aspect, each measurement report further includes sending the mark of the strongest adjacent small base station of interference of UE measurement of the measurement report；

The first small base station receives before the power distribution instruction information that the macro base station is sent, further includes:

The first small base station is according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and the H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report；

The first small base station sends the adjacent small Base Station Identification collection to the macro base station.

In conjunction with the third possible implementation of the third aspect, in the fourth possible implementation of the third aspect, the first small base station receives the macro base station and indicates information according to the power distribution that the current average channel quality of the described first small base station and the present load are sent, comprising:

The first small base station receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, and the power distribution of transmission indicates information.

In conjunction with the 4th kind of possible implementation of the third aspect, in the 5th kind of possible implementation of the third aspect, the first small base station is received before the power distribution instruction information that the macro base station is sent, further includes:

The first small base station sends the current transmission power of the described first small base station to the macro base station.

In conjunction with the 5th kind of possible implementation of the third aspect, in the 6th kind of possible implementation of the third aspect, the first small base station receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, the institute of transmission State power distribution instruction information, comprising:

The first small base station receives the macro base station according to the current average channel quality of the described first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection, and the power distribution of transmission indicates information.

In conjunction with the third aspect second to the 6th kind possible implementation in any one, in the 7th kind of possible implementation of the third aspect, it is the first transmission power or the second transmission power that the power distribution instruction information, which is used to indicate the described first small base station transmission power ready for use, and first transmission power is greater than second transmission power.

In conjunction with the first possible implementation of the third aspect or the 7th kind of possible implementation, in the 8th kind of possible implementation of the third aspect, second transmission power is zero transmission power.

In conjunction with the first possible implementation of the third aspect or the 7th kind of possible implementation or the 8th kind of possible implementation, in the 9th kind of possible implementation of the third aspect, further includes: dispatch the first UE and carry out business transmission when the described first small base station uses first transmission power in the first small base station；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

It dispatches the 2nd UE and carries out business transmission when the described first small base station uses second transmission power in the first small base station；2nd UE is the carry out low-load of the described first small BTS management or any UE of low data rate services.

In conjunction with any one in the first possible implementation of the third aspect or the 7th kind to the 9th kind possible implementation, in the tenth kind of possible implementation of the third aspect, further includes:

When the described first small base station uses second transmission power, the first small base station sends scheduling instruction information to adjacent small base station, and the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.

In conjunction with any one in the first possible implementation of the third aspect or the 7th kind to the tenth kind possible implementation, in a kind of the tenth possible implementation of the third aspect, when the described first small base station uses second transmission power or first transmission power, the transmission power of the reference signal of the first small base station is the current transmission power of the described first small base station.

In conjunction with the first of the third aspect or the third aspect into a kind of the tenth possible implementation Any one, in the 12nd kind of possible implementation of the third aspect, further includes:

When the change rate of the described first small base station loaded within a preset time is greater than first threshold, the first small base station reduces the time cycle of N number of UE reporting measurement reports；

When the change rate of the described first small base station loaded within a preset time is less than second threshold, the first small base station increases the time cycle of N number of UE reporting measurement reports；

Wherein, the first threshold is greater than or equal to the second threshold.

In conjunction with any one of the first of the third aspect or the third aspect into the 12nd kind of possible implementation, in the 13rd kind of possible implementation of the third aspect, the first small base station is according to the channel quality in N number of measurement report, determine the current average channel quality of the described first small base station, comprising:

The first small base station determines that the weighted average of the channel quality in N number of measurement report is the current momentary channel quality of the described first small base station；

The current momentary channel quality of average channel quality, the first small base station that the first small base station is obtained according to the described first small base station last time, obtains current average channel quality described in the first small base station.

Fourth aspect, the embodiment of the present invention also provide a kind of small base station transmitting power management method, comprising:

Macro base station receives the current average channel quality and present load for the described first small base station that the first small base station is sent；The first small base station is any small base station in the macro base station coverage area；

The macro base station determines the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load；

The macro base station is used to indicate the described first small base station transmission power ready for use to the described first small base-station transmitting-power distribution instruction information, the power distribution instruction information.

In the first possible implementation of the fourth aspect, the present channel quality and the present load of the macro base station according to the described first small base station determines the described first small base station transmission power ready for use, comprising:

The macro base station is greater than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

The macro base station is not more than load threshold according to the present load that the current average channel quality of the described first small base station is greater than channel quality thresholds and the first small base station, determines institute Stating the first small base station transmission power ready for use is the second transmission power；Alternatively,

The macro base station is not more than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is less than load threshold, determines that the described first small base station transmission power ready for use is the second transmission power；

Wherein, first transmission power is greater than second transmission power.

In the second possible implementation of the fourth aspect, the macro base station is according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, further includes:

The macro base station receives the adjacent small Base Station Identification collection for the described first small base station that the described first small base station is sent, and the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, and the H is the integer more than or equal to 1；

The macro base station determines the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load, comprising:

When the current average channel quality of the described first small base station is not more than channel quality thresholds, and the present load of the first small base station be not less than load threshold when, the macro base station obtains the present load of the H adjacent small base stations according to the adjacent small Base Station Identification collection；

The macro base station determines the described first small base station transmission power ready for use according to the present load of the H adjacent small base stations.

In second of possible implementation in conjunction with fourth aspect, in the third possible implementation of the fourth aspect, the macro base station determines the described first small base station transmission power ready for use according to the present load of the H adjacent small base stations, comprising:

When the present load of the H adjacent small base stations is respectively less than load threshold, the macro base station determines that the described first small base station transmission power ready for use is the first transmission power.

In second of possible implementation in conjunction with fourth aspect, in the fourth possible implementation of the fourth aspect, the macro base station is according to the present load of the adjacent small base station the H, before determining the described first small base station transmission power ready for use, further includes: the macro base station receives the current transmission power for the described first small base station that the described first small base station is sent；

The macro base station determines the described first small base station transmission power ready for use according to the present load of the H adjacent small base stations, comprising:

When the present load of at least one adjacent small base station in the H adjacent small base stations is not less than institute When stating load threshold, the macro base station determines L adjacent small base stations of the present load not less than the load threshold, 1≤L < H in the H adjacent small base stations, and the L is integer according to the present load and the load threshold of the H adjacent small base stations；

The macro base station obtains the current average channel quality and current transmission power of the L adjacent small base stations；

The macro base station determines the described first small base station and the L adjacent small base station transmission powers ready for use according to the current average channel quality and current transmission power of the described first small base station and the current average channel quality and current transmission power of the L adjacent small base stations；Wherein, the described first small base station and the L adjacent small base station transmission powers ready for use make the weighted average of the average channel quality of the described first small base station and the L adjacent small base stations maximum；One of them small base station transmission power ready for use in the first small base station and the L adjacent small base stations is the first transmission power, and the small base station transmission power ready for use described in the first small base station and the L adjacent small base stations in addition to transmission power ready for use is the small base station of first transmission power is the second transmission power；

Wherein, first transmission power is greater than second transmission power.

In the 4th kind of possible implementation in conjunction with fourth aspect, in the 5th kind of possible implementation of fourth aspect, the macro base station is according to the current average channel quality and current transmission power of the described first small base station and the current average channel quality and current transmission power of the L adjacent small base stations, determine the described first small base station and the L adjacent small base station transmission powers ready for use, comprising:

The macro base station uses the first transmission power to the second small base station in the first small collection of base stations, second transmission power is used to the small base station in the described first small collection of base stations in addition to the described second small base station, L+1 different power combinations are obtained, each power combination includes the transmission power that the described first small base station and the L adjacent small base stations use；The first small collection of base stations includes the described first small base station and the L adjacent small base stations, and the second small base station is any small base station in the described first small collection of base stations；

The macro base station corresponds to the current average channel quality of the described first small base station according to the current transmission power of the described first small base station, and the current transmission power of the L adjacent small base stations corresponds to the current average channel quality of the L adjacent small base stations, determines the average channel quality of each corresponding first small base station of power combination and the L adjacent small base stations in the L+1 power combination；

The macro base station determines the corresponding first small base station of each power combination and the L In the weighted average of the average channel quality of a adjacent small base station, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations；

The macro base station is by power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, and the transmission power that the first small base station and the L adjacent small base stations use is respectively as the described first small base station and the L adjacent small base station transmission powers ready for use.

In the 5th kind of possible implementation in conjunction with fourth aspect, in the 6th kind of possible implementation of fourth aspect, the macro base station will be in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, before the transmission power that the first small base station and the L adjacent small base stations use is as the described first small base station and the L adjacent small base station transmission powers ready for use, further includes:

When the power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the adjacent small base station the L that the macro base station currently determines is identical as power combination corresponding to the weighted average of the average channel quality for the maximum first small base station and the L adjacent small base station that the macro base station last time determines, the macro base station determines the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is not less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines.

In the 6th kind of possible implementation in conjunction with fourth aspect, in the 7th kind of possible implementation of fourth aspect, further includes:

The macro base station will store the weighted average of the average channel quality of the last maximum first small base station determined and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.

In conjunction with fourth aspect the 6th kind of possible implementation in or the 7th kind of possible implementation, in the 8th kind of possible implementation of fourth aspect, further includes:

If the macro base station determines the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines；The macro base station determines that the small base station of third transmission power ready for use is the Two transmission powers, the small base station of third are the small base station of currently used first transmission power in the described first small collection of base stations；

The macro base station uses the first transmission power to the 4th small base station in the second small collection of base stations, uses the second transmission power to the small base station in addition to the 4th small base station in the described second small collection of base stations, obtains L different power combinations；The second small base station set includes all small base stations in the described first small base station and the L adjacent small base stations in addition to the small base station of the third；Each power combination includes the transmission power that each small base station of the described second small collection of base stations uses；The 4th small base station is any small base station in the described second small collection of base stations；

The macro base station determines the average channel quality of each small base station in the L power combination in the corresponding second small base station set of each power combination；

The macro base station determines in the weighted average of the average channel quality of each small base station in the described second small collection of base stations, the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations；

The macro base station is by transmission power that in power combination corresponding to the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations, each small base station of the second small collection of base stations is used as each small base station transmission power ready for use in the described second small collection of base stations.

In conjunction with any one in the first possible implementation of fourth aspect or the 4th kind to the 8th kind possible implementation, in the 9th kind of possible implementation of fourth aspect, second transmission power is zero transmission power.

The first in conjunction with fourth aspect may be to any one in the 9th kind of possible implementation, in the tenth kind of possible implementation of fourth aspect, the macro base station is according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, further includes:

The macro base station obtains the current average channel quality of M small base stations in the coverage area of the macro base station；The M small base stations include the described first small base station and the H adjacent small base stations, and the M is the integer more than or equal to H+1；

The macro base station determines that the weighted average of the current average channel quality of the M small base stations is the channel quality thresholds.

5th aspect, the embodiment of the present invention provide a kind of small base station transmitting power management system, comprising: The macro base station that each possible implementation of small base station and second aspect of the present invention that each possible implementation of at least one first aspect present invention provides provides.

Small base station transmitting power management method, equipment and system provided in an embodiment of the present invention, the measurement report reported by N number of UE that the first small base station receives the described first small BTS management, each measurement report include the channel quality for sending the UE measurement of the measurement report；And according to the channel quality in N number of measurement report, the current average channel quality of the first small base station is determined；Then according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, the first small base station transmission power ready for use is obtained；Since the first small base station transmission power ready for use is according at least one of the present load of the first small base station and current transmission power, and current average channel quality acquisition, to reduce the interference of the first small base station to adjacent small base station and macro base station, network throughput is improved.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, a brief description of the drawings needed to be used in the description of the embodiments or the prior art will be given below, apparently, drawings in the following description are some embodiments of the invention, for those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the small base station embodiment one of the present invention；

Fig. 2 is the structural schematic diagram of macro base station embodiment one of the present invention；

Fig. 3 is the structural schematic diagram of the small base station embodiment two of the present invention；

Fig. 4 is the structural schematic diagram of macro base station embodiment two of the present invention；

Fig. 5 is the flow chart of the small base station transmitting power management method embodiment one of the present invention；

Fig. 6 is the flow chart of the small base station transmitting power management method embodiment two of the present invention；

Fig. 7 is the flow chart of the small base station transmitting power management method embodiment three of the present invention；

Fig. 8 is the flow chart of the small base station transmitting power management method example IV of the present invention；

Fig. 9 is the flow chart of the small base station transmitting power management method embodiment five of the present invention；

Figure 10 is the flow chart of the small base station transmitting power management method embodiment six of the present invention；

Figure 11 is the flow chart of the small base station transmitting power management method embodiment seven of the present invention；

The structural schematic diagram of this small base station transmitting power management system embodiment one of present invention of Figure 12.

Specific embodiment

In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, following will be combined with the drawings in the embodiments of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.

Fig. 1 is the structural schematic diagram of the small base station embodiment one of the present invention, as shown in Figure 1, the small base station of the present embodiment may include: Transmit-Receive Unit 11 and processing unit 12 as the first small base station；Wherein, Transmit-Receive Unit 11, the measurement report of N number of reported by user equipment UE for receiving the described first small BTS management, each measurement report include the channel quality for sending the UE measurement of the measurement report；Processing unit 12, for determining the current average channel quality of the described first small base station according to the channel quality in N number of measurement report；And according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, obtain the first small base station transmission power ready for use.

In a kind of optional implementation, processing unit 12 is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality is specifically used for when obtaining first small base station transmission power ready for use:

It is greater than channel quality thresholds according to the current average channel quality and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is not more than channel quality thresholds and the current transmitting according to the current average channel quality Power is not more than the second transmission power, and the present load is not more than load threshold, determines that the described first small base station transmission power ready for use is second transmission power；

Wherein, first transmission power is greater than second transmission power.

In another optional implementation, processing unit 12 is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality is specifically used for when obtaining first small base station transmission power ready for use:

The current average channel quality and the present load of the described first small base station are sent to macro base station；The first small base station is any small base station in the macro base station coverage area；

Optionally, each measurement report further includes sending the mark of the strongest adjacent small base station of interference of UE measurement of the measurement report；

Processing unit 12 is also used to before receiving the power distribution instruction information that the macro base station is sent, according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and the H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report；And the adjacent small Base Station Identification collection is sent to the macro base station.

Optionally, processing unit 12 is when receiving the power distribution instruction information that the macro base station is sent according to the current average channel quality of the described first small base station and the present load, it is specifically used for: receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, the power distribution of transmission indicates information.

Optionally, processing unit 12 is also used to before receiving the power distribution instruction information that the macro base station is sent, and Xiang Suoshu macro base station sends the current transmission power of the described first small base station.

Optionally, processing unit 12 is receiving the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, when the power distribution sent indicates information, it is specifically used for: receives the macro base station according to the current average channel quality of the described first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection, the power distribution of transmission indicates information.

Optionally, it is the first transmission power or the second transmission power that the power distribution instruction information, which is used to indicate the described first small base station transmission power ready for use, and first transmission power is greater than second transmission power.

Optionally, second transmission power is zero transmission power.

Optionally, processing unit 12 are also used to dispatch the first UE and carry out business transmission when the described first small base station is using first transmission power；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

Processing unit 12 is also used to dispatch the 2nd UE and carries out business transmission when the described first small base station is using second transmission power；2nd UE is the carry out low-load of the described first small BTS management or any UE of low data rate services.

Optionally, Transmit-Receive Unit 11, it is also used to when the described first small base station is using second transmission power, scheduling instruction information is sent to adjacent small base station, the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.

Optionally, when the described first small base station uses second transmission power or first transmission power, the transmission power of the reference signal of the first small base station is the current transmission power of the described first small base station.

Optionally, processing unit 12 is also used to, when the change rate of the described first small base station loaded within a preset time is greater than first threshold, the time cycle of reduction N number of UE reporting measurement reports；When the change rate of the described first small base station loaded within a preset time is less than second threshold, the time cycle of increase N number of UE reporting measurement reports；

Wherein, the first threshold is greater than or equal to the second threshold.

Optionally, processing unit 12 is according to the channel quality in N number of measurement report, when determining the current average channel quality of the described first small base station, be specifically used for: the weighted average for determining the channel quality in N number of measurement report is the current momentary channel quality of the described first small base station；And the current momentary channel quality of the average channel quality, the first small base station obtained according to described first small base station last time, obtain current average channel quality described in the first small base station.

The small base station of the present embodiment can be used for executing the technical solution that the first small base station executes in the above-mentioned each method embodiment of the present invention, and it is similar that the realization principle and technical effect are similar, and details are not described herein again.

Fig. 2 is the structural schematic diagram of macro base station embodiment one of the present invention, as shown in Fig. 2, the macro base station of the present embodiment may include: receiving unit 21, processing unit 22 and transmission unit 23；Wherein, receiving unit 21, for receiving the current average channel quality and present load of the described first small base station that the first small base station is sent；The first small base station is any small base station in the macro base station coverage area；Processing unit 22, for determining the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load；Transmission unit 23, for the described first small base-station transmitting-power distribution instruction information, the power distribution instruction information to be used to indicate the described first small base station transmission power ready for use.

In a kind of optional implementation, processing unit 22 is specifically used for, it is greater than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

Wherein, first transmission power is greater than second transmission power.

In another optional implementation, receiving unit 21 is also used in processing unit 22 according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, receive the adjacent small Base Station Identification collection for the described first small base station that the described first small base station is sent, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, and the H is the integer more than or equal to 1；

Processing unit 22 is specifically used for, when the current average channel quality of the described first small base station is not more than channel quality thresholds, and the present load of the first small base station according to the adjacent small Base Station Identification collection, obtains the present load of the H adjacent small base stations when being not less than load threshold；And the present load according to the H adjacent small base stations, determine the described first small base station transmission power ready for use.

Optionally, processing unit 22 is determined in the present load according to the H adjacent small base stations When the transmission power ready for use of the first small base station, it is specifically used for: when the present load of the H adjacent small base stations is respectively less than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power.

Optionally, receiving unit 21 is also used to the present load in processing unit 22 according to the H adjacent small base stations, before determining the described first small base station transmission power ready for use, receives the current transmission power for the described first small base station that the described first small base station is sent；

Processing unit 22 when determining the described first small base station transmission power ready for use, is specifically used in the present load according to the adjacent small base station the H:

Wherein, first transmission power is greater than second transmission power.

Optionally, processing unit 22 is in the current average channel quality and current transmission power according to the current average channel quality and current transmission power of the described first small base station and the L adjacent small base stations, when determining the described first small base station and the L adjacent small base stations transmission power ready for use, it is specifically used for:

First transmission power is used to the second small base station in the first small collection of base stations, second transmission power is used to the small base station in the described first small collection of base stations in addition to the described second small base station, L+1 different power combinations are obtained, each power combination includes the transmission power that the described first small base station and the L adjacent small base stations use；The first small collection of base stations includes the described first small base station and institute L adjacent small base stations are stated, the second small base station is any small base station in the described first small collection of base stations；

The current average channel quality of the described first small base station is corresponded to according to the current transmission power of the described first small base station, and the current transmission power of the L adjacent small base stations corresponds to the current average channel quality of the L adjacent small base stations, determines the average channel quality of each corresponding first small base station of power combination and the L adjacent small base stations in the L+1 power combination；

Optionally, processing unit 22 will the maximum first small base station and the L adjacent small base stations average channel quality weighted average corresponding in power combination, before the transmission power that the first small base station and the L adjacent small base stations use is as the described first small base station and the L adjacent small base station transmission powers ready for use, it is also used to:

Optionally, processing unit 22 is also used to, by the weighted average of the average channel quality of the last maximum first small base station determined of storage and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.

Optionally, processing unit 22 is also used to:

If the maximum first small base station currently determined and the L adjacent small bases The weighted average for the average channel quality stood, is less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines；Determine that the small base station of third transmission power ready for use is the second transmission power, the small base station of third is the small base station of currently used first transmission power in the described first small collection of base stations；

Optionally, second transmission power is zero transmission power.

Optionally, processing unit 22 is also used to according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, the current average channel quality of M small base stations in the coverage area of the macro base station is obtained；The M small base stations include the described first small base station and the H adjacent small base stations, and the M is the integer more than or equal to H+1；And determine that the weighted average of the current average channel quality of the small base station M is the channel quality thresholds.

The macro base station of the present embodiment can be used for executing the technical solution that macro base station executes in the above-mentioned each method embodiment of the present invention, and it is similar that the realization principle and technical effect are similar, and details are not described herein again.

Fig. 3 is the structural schematic diagram of the small base station embodiment two of the present invention, as shown in figure 3, the small base station of the present embodiment may include: transceiver 31 and processor 32 as the first small base station；Wherein, it handles Device 32, the measurement report of N number of reported by user equipment UE for receiving the described first small BTS management by transceiver 31, each measurement report include the channel quality for sending the UE measurement of the measurement report；According to the channel quality in N number of measurement report, the current average channel quality of the described first small base station is determined；And according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, obtain the first small base station transmission power ready for use.

In a kind of optional implementation, processor 32 is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality is specifically used for when obtaining first small base station transmission power ready for use:

Wherein, first transmission power is greater than second transmission power.

In another optional implementation, processor 32 is according at least one of the present load of the described first small base station and current transmission power, and the current average channel quality, when obtaining the described first small base station transmission power ready for use, it is specifically used for: sends the current average channel quality and the present load of the described first small base station to macro base station by transceiver 31；The first small base station is any small base station in the macro base station coverage area；

The macro base station, which is received, by transceiver 31 indicates that information, the power distribution instruction information are used to indicate the described first small base station transmission power ready for use according to the power distribution that the current average channel quality of the described first small base station and the present load are sent；

Processor 32, it is also used to before receiving the power distribution that the macro base station is sent by transceiver 31 and indicating information, according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and the H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report；And the adjacent small Base Station Identification collection is sent to the macro base station by transceiver 31.

Optionally, processor 32 is when receiving the power distribution instruction information that the macro base station is sent according to the current average channel quality of the described first small base station and the present load by transceiver 31, it is specifically used for: the macro base station is received according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection by transceiver 31, the power distribution of transmission indicates information.

Optionally, processor 32 is also used to before receiving the power distribution that the macro base station is sent by transceiver 31 and indicating information, sends the current transmission power of the described first small base station to the macro base station by transceiver 31.

Optionally, processor 32 is receiving the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection by transceiver 31, when the power distribution sent indicates information, it is specifically used for: the macro base station is received according to the current average channel quality of the described first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection by transceiver 31, the power distribution of transmission indicates information.

Optionally, second transmission power is zero transmission power.

Optionally, processor 32 are also used to dispatch the first UE and carry out business transmission when the described first small base station is using first transmission power；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

Processor 32 is also used to dispatch the 2nd UE and carries out business transmission when the described first small base station is using second transmission power；2nd UE is the carry out low-load of the described first small BTS management or any UE of low data rate services.

Optionally, processor 32 is also used to, when the described first small base station uses second transmission power, scheduling instruction information is sent to adjacent small base station by transceiver 31, the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.

Optionally, processor 32 is also used to, when the change rate of the described first small base station loaded within a preset time is greater than first threshold, the time cycle of reduction N number of UE reporting measurement reports；When the change rate of the described first small base station loaded within a preset time is less than second threshold, the time cycle of increase N number of UE reporting measurement reports；

Wherein, the first threshold is greater than or equal to the second threshold.

Optionally, processor 32 is according to the channel quality in N number of measurement report, when determining the current average channel quality of the described first small base station, be specifically used for: the weighted average for determining the channel quality in N number of measurement report is the current momentary channel quality of the described first small base station；And the current momentary channel quality of the average channel quality, the first small base station obtained according to described first small base station last time, obtain current average channel quality described in the first small base station.

Fig. 4 is the structural schematic diagram of macro base station embodiment two of the present invention, as shown in figure 4, the macro base station of the present embodiment may include: receiver 41, processor 42 and transmitter 43；

Processor 42, for sending the current average channel quality and present load of the described first small base station by the small base station of receiver 41 received first；The first small base station is that the macro base station covers model Enclose interior any small base station；According to the current average channel quality of the described first small base station and the present load, the described first small base station transmission power ready for use is determined；By transmitter 43 to the described first small base-station transmitting-power distribution instruction information, the power distribution instruction information is used to indicate the described first small base station transmission power ready for use.

In a kind of optional implementation, processor 42 is specifically used for when according to the current average channel quality of the described first small base station and the present load, determining the described first small base station transmission power ready for use:

It is greater than load threshold according to the present load that the current average channel quality of the described first small base station is greater than channel quality thresholds and the first small base station, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

Wherein, first transmission power is greater than second transmission power.

In another optional implementation, processor 42 is also used to according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, the adjacent small Base Station Identification collection for the described first small base station that the described first small base station is sent is received by receiver 41, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, and the H is the integer more than or equal to 1；

Processor 42 is according to the current average channel quality of the described first small base station and the present load, when determining the described first small base station transmission power ready for use, it is specifically used for: when the current average channel quality of the described first small base station is no more than channel quality thresholds, and the present load of the first small base station be not less than load threshold when, according to the adjacent small Base Station Identification collection, the present load of the H adjacent small base stations is obtained；And the present load according to the H adjacent small base stations, determine the described first small base station transmission power ready for use.

Optionally, processor 42 is in the present load according to the adjacent small base station the H, when determining the described first small base station transmission power ready for use, is specifically used for: when the H adjacent small base stations Present load is respectively less than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power.

Optionally, processor 42 is also used to the present load according to the H adjacent small base stations, and before determining the described first small base station transmission power ready for use, the current transmission power for the described first small base station that the described first small base station is sent is received by receiver 41；

Processor 42 when determining the described first small base station transmission power ready for use, is specifically used in the present load according to the adjacent small base station the H:

Wherein, first transmission power is greater than second transmission power.

Optionally, processor 42 is in the current average channel quality and current transmission power according to the current average channel quality and current transmission power of the described first small base station and the L adjacent small base stations, when determining the described first small base station and the L adjacent small base stations transmission power ready for use, it is specifically used for:

First transmission power is used to the second small base station in the first small collection of base stations, second transmission power is used to the small base station in the described first small collection of base stations in addition to the described second small base station, L+1 different power combinations are obtained, each power combination includes the transmission power that the described first small base station and the L adjacent small base stations use；The first small collection of base stations includes the described first small base station and the L adjacent small base stations, and the second small base station is any small base in the described first small collection of base stations It stands；

Optionally, processor 42 will the maximum first small base station and the L adjacent small base stations average channel quality weighted average corresponding in power combination, before the transmission power that the first small base station and the L adjacent small base stations use is as the described first small base station and the L adjacent small base station transmission powers ready for use, it is also used to:

Optionally, processor 42 is also used to, by the weighted average of the average channel quality of the last maximum first small base station determined of storage and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.

Optionally, processor 42 is also used to: if the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is less than, the maximum first small base station and the L adjacent small bases that the last time of the macro base station storage determines The weighted average for the average channel quality stood；Determine that the small base station of third transmission power ready for use is the second transmission power, the small base station of third is the small base station of currently used first transmission power in the described first small collection of base stations；

Optionally, second transmission power is zero transmission power.

Optionally, processor 42 is also used to according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, the current average channel quality of M small base stations in the coverage area of the macro base station is obtained；The M small base stations include the described first small base station and the H adjacent small base stations, and the M is the integer more than or equal to H+1；And determine that the weighted average of the current average channel quality of the small base station M is the channel quality thresholds.

Fig. 5 is the flow chart of the small base station transmitting power management method embodiment one of the present invention, as shown in figure 5, the method for the present embodiment may include:

S101, the first small base station receive the measurement report that N number of UE of the described first small BTS management is reported It accuses, each measurement report includes the channel quality for sending the UE measurement of the measurement report.

In the present embodiment, the first small base station is any small base station in macro base station coverage area, and the first small base station can manage N number of UE, which can be all UE of the first small BTS management, indicates that the serving BS of N number of UE is the first small base station.Each UE in N number of UE can send measurement report to the first small base station, include the channel quality for sending the UE measurement of the measurement report in each measurement report；The channel quality for example may include Signal to Interference plus Noise Ratio (English: signal-to-interference-plus-noise ratio, abbreviation: SINR).

S102, the first small base station determine the current average channel quality of the first small base station according to the channel quality in N number of measurement report.

In the present embodiment, after the measurement report that N number of UE that the first small base station receives its management is reported, according to the channel quality for including in N number of measurement report, the current average channel quality of the first small base station is determined.

Optionally, in the first small base station according to the channel quality in N number of measurement report, it determines in a kind of feasible implementation of the current average channel quality of the first small base station, the first small base station determines the weighted average of the channel quality in N number of measurement report, obtains the current momentary channel quality of the first small base station；Then the current momentary channel quality of the first small base station is obtained according to the first small base station last time average channel quality, the first small base station, obtains current average channel quality described in the first small base station.

The weighted average of the channel quality in N number of measurement report is determined in the first small base station, it obtains in a kind of concrete implementation mode of the current momentary channel quality of the first small base station, it averages to the channel quality in N number of measurement report the first small base station, the average value for obtaining N number of channel quality determines current momentary channel quality of the average value as the first small base station.

In the first small base station according to the average channel quality once obtained on the first small base station, the current momentary channel quality of the first small base station, obtain current average channel quality described in the first small base station, a kind of concrete implementation mode in；The product for the average channel quality that the first small base station obtains the first coefficient and the first small base station last time, in addition, the product of the current momentary channel quality of the second coefficient and the first small base station, current average channel quality of the value of acquisition as the first small base station.Optionally, the sum of first coefficient and second coefficient are 1；Such as second coefficient can indicate filter coefficient, since the service user of small base station is few, and business variation is greatly, therefore the second data can be preferably 0.5.

S103, the first small base station obtain the first small base station transmission power ready for use according at least one of the present load of the first small base station and current transmission power and the current average channel quality.

In the present embodiment, which can determine the present load of the first small base station and the current transmission power (i.e. the currently used transmission power in the first small base station) of the first small base station；The first small base station obtains after the current average channel quality of the first small base station, it the first small base station can be according at least one of the present load of the first small base station and current transmission power, and the current average channel quality, obtain the first small base station transmission power ready for use.Such as: the first small base station obtains the first small base station transmission power ready for use in i-th of time slot (or subframe or frame or TTI), the first small base station uses the transmission power in the i-th+j time slots (or subframe or frame or TTI), and j is the integer more than or equal to 1.

Small base station transmitting power management method provided in this embodiment, the measurement report reported by N number of UE that the first small base station receives the described first small BTS management, each measurement report include the channel quality for sending the UE measurement of the measurement report；And according to the channel quality in N number of measurement report, the current average channel quality of the first small base station is determined；Then according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, the first small base station transmission power ready for use is obtained；Since the first small base station transmission power ready for use is according at least one of the present load of the first small base station and current transmission power, and current average channel quality acquisition, to reduce the interference of the first small base station to adjacent small base station and macro base station, network throughput is improved.

Optionally, on the basis of the embodiment of the present invention one, there may be in feasible implementation as described below for the specific implementation of S103.

In the first feasible implementation of above-mentioned S103, which is greater than channel quality thresholds according to the current average channel quality and the present load is greater than load threshold, determines that the first small base station transmission power ready for use is the first transmission power.

In second of feasible implementation of above-mentioned S103, the first small base station is greater than channel quality thresholds according to the current average channel quality, and the present load is not more than load threshold, determines that the first small base station makes stand-by the second transmission power of transmission power.

In the third feasible implementation of above-mentioned S103, which is greater than second transmitting no more than channel quality thresholds and the current transmission power according to the current average channel quality Power determines that the first small base station transmission power ready for use is second transmission power.

In the 4th kind of feasible implementation of above-mentioned S103, the first small base station is not more than channel quality thresholds according to the current average channel quality, and current transmission power is not more than second transmission power, and the present load is greater than load threshold, determines that the first small base station transmission power ready for use is first transmission power.

In the 5th kind of feasible implementation of above-mentioned S103, the first small base station is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than second transmission power, and the present load is not more than load threshold, determines that the first small base station transmission power ready for use is second transmission power.

Wherein, which is greater than second transmission power.Optionally, the second transmission power is zero transmission power.Optionally, which is full transmitting power.

Fig. 6 is the flow chart of the small base station transmitting power management method embodiment two of the present invention, as shown in fig. 6, the method for the present embodiment may include:

S201, the first small base station receive the measurement report that N number of UE of the described first small BTS management is reported, and each measurement report includes the channel quality for sending the UE measurement of the measurement report.

S202, the first small base station determine the current average channel quality of the first small base station according to the channel quality in N number of measurement report.

In the present embodiment, S201 may refer to the related record in embodiment of the present invention method one to the specific implementation process of S202, and details are not described herein again.

S203, the first small base station determine whether the current average channel quality is greater than channel quality thresholds.If it is not, then executing S204；If so, executing S205.

In the present embodiment, the first small base station obtains after the current average channel quality of the first small base station, the current average channel quality is compared with channel quality thresholds, when the first small base station determines the current average channel quality of the first small base station less than or equal to the channel quality thresholds, the first small base station obtains the current transmission power of the first small base station, executes S204.When the first small base station determines the current average channel quality of the first small base station greater than the channel quality thresholds, which obtains the present load of the first small base station, executes S205.

S204, the first small base station determine whether current transmission power is greater than the second transmission power.If it is not, then executing S205；If so, executing S206.

In the present embodiment, the first small base station is in the current average channel quality for determining the first small base station When less than or equal to channel quality thresholds, the current transmission power of the first small base station is compared by the first small base station with the second transmission power, when the first small base station determines that the current transmission power is less than or equal to second transmission power, which executes S205；When the first small base station determines that the current transmission power is greater than second transmission power, which executes S206, i.e. the first small base station determines that the transmission power ready for use of the first small base station is the second transmission power.

S205, the first small base station determine whether present load is greater than load threshold.If it is not, then executing S206；If so, executing S207.

S206, the first small base station determine that the first small base station transmission power ready for use is the second transmission power.

S207, the first small base station determine that the first small base station transmission power ready for use is the first transmission power.

In the present embodiment, the first small base station is when the current average channel quality for determining the first small base station is greater than channel quality thresholds；Or, the first small base station is less than or equal to channel quality thresholds in the current average channel quality for determining the first small base station, and the current transmission power of the first small base station be less than or equal to the second transmission power when, the present load of the first small base station is compared by the first small base station with load threshold, when the first small base station determines that the present load is less than or equal to the load threshold, the first small base station executes S206, i.e. the first small base station determines that the transmission power ready for use of the first small base station is the second transmission power；When the first small base station determines that the present load is greater than the load threshold, which executes S207, i.e. the first small base station determines that the transmission power ready for use of the first small base station is the first transmission power；Wherein, which is greater than the second transmission power.

Fig. 7 is the flow chart of the small base station transmitting power management method embodiment three of the present invention, as shown in fig. 7, the method for the present embodiment may include:

S301, the first small base station receive the measurement report that N number of UE of the described first small BTS management is reported, and each measurement report includes the channel quality for sending the UE measurement of the measurement report.

S302, the first small base station determine the current average channel quality of the first small base station according to the channel quality in N number of measurement report.

In the present embodiment, S301 may refer to the related record in embodiment of the present invention method one to the specific implementation process of S302, and details are not described herein again.

S303, the first small base station send the current average channel quality and present load of the first small base station to macro base station.

In the present embodiment, the first small base station is any small base station in macro base station coverage area, the first small base station is after N number of measurement report obtains the current average channel quality of the first small base station based on the received, the current average channel quality and present load of the first small base station are sent to macro base station, such as: the first small base station can send the current average channel quality and present load of the first small base station by X2 interface to macro base station.

Optionally, the first small received each measurement report in base station further includes sending the mark of the strongest adjacent small base station of interference of UE measurement of the measurement report；The first small base station is according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and the H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report.Such as: if the mark in N number of measurement report including adjacent small base station is all different, the adjacent small Base Station Identification collection which obtains includes the mark of N number of adjacent small base station；If in N number of measurement report when measurement report identical there are the mark of adjacent small base station, the adjacent small Base Station Identification collection which obtains includes the mark less than N number of adjacent small base station.After the first small base station gets adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection is sent to the macro base station.Optionally, which sends the adjacent small Base Station Identification collection to the macro base station by X2 interface.

Optionally, which also sends the current transmission power of the first small base station to the macro base station；Optionally, which sends the current transmission power of the first small base station by X2 interface to the macro base station.

Optionally, which it is first small by same X2 interface signaling to send this to macro base station Current average channel quality, current transmission power, present load and the adjacent small Base Station Identification collection of base station.

S304, the first small base station receive the macro base station and indicate that information, power distribution instruction information are used to indicate the first small base station transmission power ready for use according to the power distribution that the current average channel quality of the first small base station and the present load are sent.

S305, the first small base station indicate that information determines the first small base station transmission power ready for use according to the power distribution.

In the present embodiment, the first small base station receives the macro base station and indicates that information, power distribution instruction information are used to indicate the first small base station transmission power ready for use according to the power distribution that the current average channel quality of the first small base station and the present load are sent.The first small base station receives the power distribution instruction information of macro base station transmission, can determine that the power distribution indicates the acquisition of information first small base station transmission power ready for use.It is the first transmission power or the second transmission power that power distribution instruction information, which is used to indicate the first small base station transmission power ready for use, which is greater than the second transmission power.Optionally, which is zero transmission power.

Optionally, if the first small base station also sends the adjacent small Base Station Identification collection of the first small base station to the macro base station, which can be the macro base station and indicates information according to the power distribution that the current average channel quality of the first small base station, the present load and the adjacent small Base Station Identification collection are sent.

Optionally, if the first small base station also sends the current transmission power of the first small base station to the macro base station, which can be the macro base station and indicates information according to the power distribution that the current average channel quality of the first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection are sent.

Small base station transmitting power management method provided in this embodiment, the measurement report reported by N number of UE that the first small base station receives the described first small BTS management, each measurement report include the channel quality for sending the UE measurement of the measurement report；And according to the channel quality in N number of measurement report, the current average channel quality of the first small base station is determined；Then the present load and current average channel quality of the first small base station are sent to macro base station, the power distribution that macro base station is sent is received and indicates information, according to the first small base station transmission power ready for use described in power distribution instruction acquisition of information；Since the first small base station transmission power ready for use is obtained according to the present load and current average channel quality of the first small base station, to reduce the interference of the first small base station to adjacent small base station and macro base station, network throughput is improved.

Fig. 8 is the flow chart of the small base station transmitting power management method example IV of the present invention, as shown in figure 8, the method for the present embodiment may include:

S401, macro base station receive the current average channel quality and present load for the described first small base station that the first small base station is sent.

In the present embodiment, small base station in the coverage area of macro base station can send the current average channel quality and present load of the small base station to the macro base station, at this by taking small base station either one or two of in the macro base station coverage area as an example, which is known as the first small base station.The macro base station receives the current average channel quality and present load for the first small base station that the first small base station is sent；The first small base station may refer to the related record in embodiment of the present invention method three to the specific implementation process of present load to the current average channel quality of the first small base station of macro base station transmission, and details are not described herein again.

S402, the macro base station determine the first small base station transmission power ready for use according to the current average channel quality of the first small base station and the present load.

To the first small base-station transmitting-power distribution instruction information, power distribution instruction information is used to indicate the first small base station transmission power ready for use for S403, the macro base station.

In the present embodiment, the macro base station receives after the current average channel quality and the present load of the first small base station that the first small base station is sent, the first small base station transmission power ready for use can be determined according to current average channel quality and the present load of the first small base station.Then, which is used to indicate the first small base station transmission power ready for use to the first small base-station transmitting-power distribution instruction information, power distribution instruction information.After first small base station receives power distribution instruction information, indicate that information determines the first small base station transmission power ready for use according to the power distribution.

Small base station transmitting power management method provided in this embodiment receives the current average channel quality and present load that the first small base station sends the described first small base station by macro base station；According to the current average channel quality of the first small base station and the present load, the first small base station transmission power ready for use is determined；To the first small base-station transmitting-power distribution instruction information, power distribution instruction information is used to indicate the first small base station transmission power ready for use, so that the first small base station indicates that information determines transmission power ready for use according to power distribution.Since the first small base station transmission power ready for use is obtained according to the present load and current average channel quality of the first small base station, to reduce the interference of the first small base station to adjacent small base station and macro base station, network throughput is improved.

On the basis of embodiment of the present invention method four, optionally, macro base station, which executes S402, to be existed such as The lower feasible implementation.

In the first feasible implementation of S402, the macro base station is greater than channel quality thresholds according to the current average channel quality of the first small base station, and the present load of the first small base station is greater than load threshold, determines that the first small base station transmission power ready for use is the first transmission power.Correspondingly, it is the first transmission power that macro base station, which is used to indicate the first small base station transmission power ready for use to the power distribution instruction information that the first small base station is sent,.

In second of feasible implementation of S402, the macro base station is greater than channel quality thresholds according to the current average channel quality of the first small base station, and the present load of the first small base station is not more than load threshold, determines that the first small base station transmission power ready for use is the second transmission power.Correspondingly, it is the second transmission power that macro base station, which is used to indicate the first small base station transmission power ready for use to the power distribution instruction information that the first small base station is sent,.

In the third feasible implementation of S402, the macro base station is not more than channel quality thresholds according to the current average channel quality of the first small base station, and the present load of the first small base station is not more than load threshold, determines that the first small base station transmission power ready for use is the second transmission power.Correspondingly, it is the second transmission power that macro base station, which is used to indicate the first small base station transmission power ready for use to the power distribution instruction information that the first small base station is sent,.

Optionally, the macro base station is before executing S402, the adjacent small Base Station Identification collection that the first small base station is sent can also be received, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, wherein, the first small base station may refer to the related record in embodiment of the present invention method three to the specific implementation process that the macro base station sends the adjacent small Base Station Identification collection, and details are not described herein again.After the macro base station also receives the adjacent small Base Station Identification collection that the first small base station is sent, in the 4th kind of feasible implementation that the macro base station executes S402, the macro base station determines the first small base station transmission power ready for use according to the current average channel quality of the first small base station, present load and adjacent small Base Station Identification collection.

Wherein, in the macro base station according to the current average channel quality of the first small base station, present load and adjacent small Base Station Identification collection, in the optional implementation that determines the first small base station transmission power ready for use；When the current average channel quality of the first small base station is not more than channel quality thresholds, and the present load of the first small base station is greater than load threshold, which obtains the present load of the H adjacent small base stations according to the adjacent small Base Station Identification collection；Then the macro base station determines the first small base station transmission power ready for use according to the present load of the H adjacent small base stations.

Wherein, which determines that the first small base station transmission power ready for use has optional implementation as described below according to the present load of the H adjacent small base stations,

In the first optional implementation, when the present load of the H adjacent small base stations is respectively less than load threshold, which determines that the first small base station transmission power ready for use is the first transmission power.

In second of optional implementation, optionally, the macro base station is in the present load according to the H adjacent small base stations, before determining the first small base station transmission power ready for use, the current transmission power that the first small base station is sent can also be received, wherein, the specific implementation process for the current transmission power which sends the first small base station to the macro base station may refer to the related record in embodiment of the present invention method three, and details are not described herein again.When the present load of at least one adjacent small base station in the H adjacent small base stations is not less than the load threshold, the macro base station is according to the present load and the load threshold of the adjacent small base station the H, determine that present load is not less than L adjacent small base stations of the load threshold in the H adjacent small base stations, 1≤L < H, and the L is integer；The macro base station obtains the current average channel quality and current transmission power of the L adjacent small base stations；The macro base station is according to the current average channel quality and current transmission power of the first small base station and the L adjacent small base stations, determine the first small base station and the L adjacent small base station transmission powers ready for use, wherein, the first small base station and the L adjacent small base station transmission powers ready for use make the sum of average channel quality of the first small base station and the L adjacent small base stations maximum；One of them small base station transmission power ready for use in the first small base station and the L adjacent small base stations is the first transmission power, which is the second transmission power with the small base station transmission power ready for use in the L adjacent small base stations in addition to transmission power ready for use is the small base station of first transmission power.

Fig. 9 is the flow chart of the small base station transmitting power management method embodiment five of the present invention, as shown in figure 9, the method for the present embodiment may include:

S501, macro base station receive current average channel quality, current transmission power, present load and the adjacent small Base Station Identification collection for the first small base station that the first small base station is sent.

In the present embodiment, the first small base station is any small base station in macro base station coverage area.The first small base station receives the measurement report that N number of UE of the first small BTS management is reported, and includes the channel quality for the UE measurement for sending the measurement report and the mark for interfering strongest adjacent small base station in each measurement report.The first small base station obtains the current average channel quality of the first small base station according to the channel quality in N number of measurement report, and the first small base station is according to small base station adjacent in N number of measurement report Mark obtain the adjacent small Base Station Identification collection of the first small base station, which includes that the mark of the adjacent small base station H, 1≤H≤N, and the H are integer.Then the first small base station sends current average channel quality, current transmission power, present load and the adjacent small Base Station Identification collection of the first small base station to macro base station.

S502, the macro base station determine whether the current average channel quality of the first small base station is greater than channel quality thresholds.If so, S503 is executed, if it is not, then executing S504.

In the present embodiment, which is compared the current average channel quality of the first small base station with channel quality thresholds, and when the macro base station determines that the current average channel quality is greater than channel quality thresholds, which executes S503.When the macro base station determines that the current average channel quality is less than or equal to channel quality thresholds, which executes S504.

S503, the macro base station determine whether the present load of the first small base station is greater than load threshold.If it is not, S505 is then executed, if so, executing S508.

In the present embodiment, which determines that the current average channel quality of the first small base station is greater than after channel quality thresholds, which is compared the present load of the first small base station with load threshold.When the macro base station determines the present load of the first small base station less than or equal to load threshold, which executes S505, i.e. the macro base station determines that the first small base station transmission power ready for use is the second transmission power.When the macro base station determines the present load of the first small base station greater than load threshold, which executes S508, i.e. the macro base station determines that the first small base station transmission power ready for use is the first transmission power.

S504, the macro base station determine whether the present load of the first small base station is less than load threshold.If so, S505 is executed, if it is not, then executing S506.

In the present embodiment, which determines that the current average channel quality of the first small base station is less than or equal to after channel quality thresholds, which is compared the present load of the first small base station with load threshold.When the macro base station determines the present load of the first small base station less than load threshold, which executes S505, i.e. the macro base station determines that the first small base station transmission power ready for use is the second transmission power；When the macro base station determines the present load of the first small base station more than or equal to load threshold, which executes S506.

S505, the macro base station determine that the first small base station transmission power ready for use is the second transmission power.

In the present embodiment, which determines that the first small base station transmission power ready for use is the second hair It penetrates after power, which indicates that the first small base station transmission power ready for use is the second transmission power (being not shown in Fig. 9) to the first small base-station transmitting-power distribution instruction information, power distribution instruction information.

S506, the macro base station obtain the present load of H adjacent small base stations according to the adjacent small Base Station Identification collection of the first small base station.

S507, the macro base station determine whether the present load of the H adjacent small base stations is respectively less than load threshold.If so, executing S508；If it is not, then executing S509.

In the present embodiment, when the macro base station determines that the load of the first small base station is greater than or equal to load threshold when executing S504, the mark for the H adjacent small base stations that the macro base station is concentrated according to the adjacent small Base Station Identification that the first small base station is sent, obtains the present load of N number of adjacent small base station.The present load of N number of adjacent small base station can be N number of adjacent small base station and be reported to the macro base station.

After the macro base station gets the present load of N number of adjacent small base station, which is compared the present load of N number of adjacent small base station with load threshold respectively.When the macro base station determines that the present load of N number of adjacent small base station is respectively less than the load threshold, which executes S508, i.e. the macro base station determines that the first small base station transmission power ready for use is the first transmission power.When the macro base station determines that the present load of N number of adjacent small base station is not the respectively less than load threshold, which executes S509-S511.

S508, the macro base station determine that the first small base station transmission power ready for use is the first transmission power.

In the present embodiment, the macro base station determines the first small base station transmission power ready for use for after the first transmission power, the macro base station indicates that the first small base station transmission power ready for use is the first transmission power (being not shown in Fig. 9) to the first small base-station transmitting-power distribution instruction information, power distribution instruction information.

S509, the macro base station determine that present load is not less than L adjacent small base stations of the load threshold in the H adjacent small base stations.

In the present embodiment, the present load of the H adjacent small base stations is compared by the macro base station with load threshold, when determining that the present load of at least one adjacent small base station in the H adjacent small base stations is less than or equal to the load threshold, the macro base station can determine that present load is less than L adjacent small base stations of the load threshold from the H adjacent small base stations, 1≤L < H, and the L is integer.

S510, the macro base station obtain the current average channel quality of the L adjacent small base stations and currently send out Penetrate power.

In the present embodiment, which determines that present load is less than or equal to L adjacent small base stations of the load threshold from H adjacent small base stations, and then the macro base station obtains the current average channel quality and current transmission power of the L adjacent small base stations.The current average channel quality of the L adjacent small base stations can be the L adjacent small base stations and be reported to the macro base station.

S511, the macro base station are according to the current average channel quality and current transmission power of the first small base station, and the current average channel quality and current transmission power of the L adjacent small base stations, determine the first small base station and the L adjacent small base station transmission powers ready for use.

In the present embodiment, the current transmission power of the first small base station and the current transmission power of the L adjacent small base stations can be the macro base station and be allocated to a adjacent small base station the first small base station and the L, therefore the current transmission power of the available first small base station of the macro base station and the L adjacent small base stations by power allocation information by last.Then the macro base station determines the first small base station and the L adjacent small base station transmission powers ready for use according to the current average channel quality and current transmission power of the first small base station, the current average channel quality and current transmission power of a adjacent small base station the L.Wherein, first small base station and the L adjacent small base station transmission powers ready for use which determines make the weighted average of the average channel quality of the first small base station and the L adjacent small base stations maximum；One of them small base station transmission power ready for use in the first small base station and the L adjacent small base stations is the first transmission power, which is the second transmission power with the small base station transmission power ready for use in the L adjacent small base stations in addition to transmission power ready for use is the small base station of first transmission power.Transmission power ready for use can be the first small base station for the small base station of the first transmission power and be also possible to the small base station in any of the L adjacent small base stations.

In the present embodiment, the macro base station has executed after S511, the macro base station sends power distribution instruction information to the first small base station and the L adjacent small base stations respectively, and power distribution instruction information is used to indicate the small base station transmission power ready for use for receiving power distribution instruction information.

Small base station transmitting power management method provided in this embodiment, by the above-mentioned means, macro base station can control the transmission powers of different small base stations with certain distribution of probability the switching at runtime between the first transmission power and the second transmission power；It is also possible that the transmission power between adjacent small base station is in picturesque disorder in same TTI, reduce system interference；For same small base station, a part of probability times obtain preferable channel quality using the first transmission power in time period, guarantee network capacity, and another part probability times use the second transmission power, to reduce the interference to adjacent small base station.

Wherein, all small base stations all some time in macro base station coverage area obtains preferable channel quality using the first transmission power, to which user obtains preferable Signal to Interference plus Noise Ratio, carry out high data rate communication, and also some time uses the second transmission power to all small base stations in macro base station coverage area, to reduce the interference to adjacent small base station；Adjacent small base station replaces switching between the first transmission power and the second transmission power simultaneously, and transmission power is in picturesque disorder between adjacent small base station in same Transmission Time Interval, to effectively reduce the interference in system.Such as by taking three adjacent small base stations (small base station 1, small base station 2, small base station 3) as an example, when small base station 1 is using the first transmission power, small base station 2 and small base station 3 use the second transmission power；When small base station 2 is using the first transmission power, small base station 1 and small base station 3 use the second transmission power；When small base station 3 is using the first transmission power, small base station 1 and small base station 2 use the second transmission power.

On the basis of above-mentioned each method embodiment of the invention, optionally, which can also obtain channel quality thresholds before determining the first small base station transmission power ready for use according to current average channel quality and the present load of the first small base station.In a kind of feasible implementation that the macro base station obtains channel quality thresholds, which obtains the current average channel quality of M small base stations in the coverage area of the macro base station；The M small base stations include the first small base station and the H adjacent small base stations, which is the integer more than or equal to H+1；Then the macro base station determines that the weighted average of the current average channel quality of the M small base stations is the channel quality thresholds.

Figure 10 is the flow chart of the small base station transmitting power management method embodiment six of the present invention, as shown in Figure 10, a kind of feasible implementation of the S511 in Fig. 9 is described in detail in the method for the present embodiment, S501-S510 is omitted in Figure 10, may refer to the record in embodiment of the present invention method five in detail.S511 in the present embodiment may include:

S601, the macro base station use the first transmission power to the second small base station in the first small collection of base stations, use the second transmission power to the small base station in the described first small collection of base stations in addition to the described second small base station, obtain L+1 different power combinations.

In the present embodiment, the first small collection of base stations includes the first small base station and above-mentioned L adjacent small base stations, i.e. the first small collection of base stations includes L+1 small base stations.The macro base station uses the first transmission power to any small base station in the first small collection of base stations, second transmission power is used to other small base stations in the first small collection of base stations in addition to the small base station for using the first transmission power, available L+1 different power combinations, each power combination include the transmission power that the first small base station and L adjacent small base stations use.Such as: the first small base station is known as small base station 1, L 3, the first small base station This 3 adjacent small base stations be referred to as small base station 2, small base station 3, small base station 4；Small base station 1 uses the second transmission power using the second transmission power, small base station 4 using the second transmission power, small base station 3 using the first transmission power, small base station 2, this is known as the first power combination；Small base station 1 uses the second transmission power using the second transmission power, small base station 4 using the first transmission power, small base station 3 using the second transmission power, small base station 2, this is known as second of power combination；Small base station 1 uses the second transmission power using the first transmission power, small base station 4 using the second transmission power, small base station 3 using the second transmission power, small base station 2, this is known as the third power combination；Small base station 1 uses the first transmission power using third transmission power, small base station 4 using the second transmission power, small base station 3 using the second transmission power, small base station 2, this is known as the 4th kind of power combination；Therefore, macro base station can obtain four kinds of different power combinations.

S602, the macro base station correspond to the current average channel quality of the first small base station according to the current transmission power of the first small base station, and the current transmission power of the L adjacent small base stations corresponds to the current average channel quality of the L adjacent small base stations, determines the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations in the L+1 power combination.

In the present embodiment, the macro base station can be with the current transmission power of the first small base station and the current average channel quality of the first small base station, it can determine the relationship between the transmission power and average channel quality of the first small base station, then the macro base station can be according to the relationship between the transmission power and average channel quality, the transmission power for determining the first small base station corresponding average channel quality when corresponding average channel quality and the transmission power of the first small base station are the second transmission power when being the first transmission power；Correspondingly, using above-mentioned similar fashion, the macro base station can be according to the relationship in L adjacent small base stations between the transmission power and average channel quality of each adjacent small base station, the transmission power for determining each adjacent small base station corresponding average channel quality when being the first transmission power, and determine corresponding average channel quality when the transmission power of each adjacent small base station is the second transmission power.Therefore, macro base station can determine the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations.

S603, the macro base station determine in the weighted average of the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations.

In the present embodiment, after which determines the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations, the corresponding first small base of available each power combination It stands and the weighted average of the average channel quality of the adjacent small base station the L, it is hereby achieved that L+1 weighted average；This L+1 weighted average is compared again, determines maximum weighted average.

Such as: macro base station can determine corresponding in the first above-mentioned power combination: average channel quality (corresponding with the first transmission power), the average channel quality of small base station 2 (corresponding with the second transmission power), the average channel quality of small base station 3 (corresponding with the second transmission power), the average channel quality of small base station 4 (corresponding with the second transmission power) of small base station 1, then the weighted average of the average channel quality of small base station 1, small base station 2, small base station 3, small base station 4 is sought, weighted average 1 is obtained.

Macro base station can determine corresponding in above-mentioned second of power combination: average channel quality (corresponding with the second transmission power), the average channel quality of small base station 2 (corresponding with the first transmission power), the average channel quality of small base station 3 (corresponding with the second transmission power), the average channel quality of small base station 4 (corresponding with the second transmission power) of small base station 1, then the weighted average of the average channel quality of small base station 1, small base station 2, small base station 3, small base station 4 is sought, weighted average 2 is obtained.

Macro base station can determine corresponding in the third above-mentioned power combination: average channel quality (corresponding with the second transmission power), the average channel quality of small base station 2 (corresponding with the second transmission power), the average channel quality of small base station 3 (corresponding with the first transmission power), the average channel quality of small base station 4 (corresponding with the second transmission power) of small base station 1, then the weighted average of the average channel quality of small base station 1, small base station 2, small base station 3, small base station 4 is sought, weighted average 3 is obtained.

Macro base station can determine corresponding in above-mentioned 4th kind of power combination: average channel quality (corresponding with the second transmission power), the average channel quality of small base station 2 (corresponding with the second transmission power), the average channel quality of small base station 3 (corresponding with the second transmission power), the average channel quality of small base station 4 (corresponding with the first transmission power) of small base station 1, then the weighted average of the average channel quality of small base station 1, small base station 2, small base station 3, small base station 4 is sought, weighted average 4 is obtained.

Then weighted average 1,2,3,4 is compared, determines maximum value.

S604, the macro base station are by power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, and the transmission power that the first small base station and the L adjacent small base stations use is respectively as the first small base station and the L adjacent small base station transmission powers ready for use.

In the present embodiment, which has determined maximum weighted average in L+1 weighted average Later, it can determine the power combination for obtaining the maximum weighted average, it may thereby determine that the transmission power that the first small base station uses in the power combination is the first small base station transmission power ready for use, the transmission power that L adjacent small base stations of the power combination use is the L adjacent small base station transmission powers ready for use.

Such as: if the weighted average 2 in weighted average 1,2,3,4 is maximum, then macro base station can determine that small base station 1 transmission power ready for use is the second transmission power, small base station 2 transmission power ready for use is the first transmission power, small base station 3 transmission power ready for use is the second transmission power, and small base station 4 transmission power ready for use is the second transmission power.

Small base station transmitting power management method provided in this embodiment, so that only one small base station uses the first transmission power in the first small base station and L adjacent small base stations, other small base stations use the second transmission power, and the weighted average of the average channel quality of the first small base station and L adjacent small base stations is maximum.To reduce the interference of the first small base station to adjacent small base station and macro base station, network throughput is improved.

Figure 11 is the flow chart of the small base station transmitting power management method embodiment seven of the present invention, as shown in figure 11, a kind of feasible implementation of the S511 in Fig. 9 is described in detail in the method for the present embodiment, S501-S510 is omitted in Figure 11, may refer to the record in embodiment of the present invention method five in detail.S511 in the present embodiment may include:

S701, the macro base station use the first transmission power to the second small base station in the first small collection of base stations, use the second transmission power to the small base station in the described first small collection of base stations in addition to the described second small base station, obtain L+1 different power combinations.

S702, the macro base station correspond to the current average channel quality of the first small base station according to the current transmission power of the first small base station, and the current transmission power of the L adjacent small base stations corresponds to the current average channel quality of the L adjacent small base stations, determines the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations in the L+1 power combination.

S703, the macro base station determine in the weighted average of the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations.

In the present embodiment, the specific implementation process of S701-S703 may refer to the related record in embodiment of the present invention method six.

S704, the macro base station determine whether the maximum weighted average currently determined is less than the macro base station The maximum weighted average that the last time of storage determines.If it is not, S705 is then executed, if so, executing S707.

In the present embodiment, if power combination corresponding to the weighted average when macro base station last time determines the first small base station transmission power ready for use not according to the average channel quality of the maximum first small base station and the L adjacent small base stations determines, then the macro base station is using the transmission power that the first small base station in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station currently determined and the adjacent small base station the L and the L adjacent small base stations use as the first small base station and the L adjacent small base station transmission powers ready for use.

If the macro base station last time when determining the first small base station transmission power ready for use is determined according to power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations；Then power combination corresponding to weighted average (i.e. the weighted average of the average channel quality of the maximum first small base station determined in S703 and the L adjacent small base stations) of the macro base station by the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, power combination corresponding to the weighted average of the average channel quality of the maximum first small base station determined with, macro base station last time and the L adjacent small base stations is compared.If the two power combinations are not identical, the macro base station is using the transmission power that the first small base station in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station currently determined and the adjacent small base station the L and the L adjacent small base stations use as the first small base station and the L adjacent small base station transmission powers ready for use.If the two power combinations are identical, then the macro base station determines the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, whether it is less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of macro base station storage determines；If it is not, S705 is then executed, if so, executing S707.

S705, the macro base station are using the transmission power that the first small base station in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station currently determined and the adjacent small base station the L and the L adjacent small base stations use as the first small base station and the L adjacent small base station transmission powers ready for use.

S706, the macro base station will store the weighted average of the average channel quality of last maximum first small base station determined and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.

In the present embodiment, which is updated to the weighted average of the average channel quality of maximum first small base station that the last time determines and the L adjacent small base stations the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations；In case the value of the storage is compared by the macro base station with the weighted average of the maximum first small base station determined and the average channel quality of the L adjacent small base stations next time.

S707, the macro base station determine that the small base station of third transmission power ready for use is the second transmission power, and the small base station of the third is the small base station of currently used first transmission power in the described first small collection of base stations.

In the present embodiment, the macro base station determines the weighted average of the average channel quality of the maximum first small base station currently determined and L adjacent small base stations, it is less than, when the weighted average of the average channel quality of the maximum first small base station and L adjacent small base stations that the last time of macro base station storage determines, the macro base station can be with the small base station of currently used first transmission power determining in the first small collection of base stations, and the small base station of currently used first transmission power is known as the small base station of third.The macro base station determines that the small base station of third transmission power ready for use is the second transmission power.

S708, the macro base station use the first transmission power to the 4th small base station in the second small collection of base stations, use the second transmission power to the small base station in addition to the 4th small base station in the second small collection of base stations, obtain L different power combinations.

In the present embodiment, which includes all small base stations in the first small base station and the L adjacent small base station sets in addition to the small base station of above-mentioned third.Each power combination in S708 includes the transmission power that the small base station in the first small base station and the L adjacent small base stations in addition to the small base station of the third uses；4th small base station is any small base station in the second small collection of base stations.

S709, the macro base station determine the average channel quality of each small base station in the L power combination in the corresponding second small base station set of each power combination.

S710, the macro base station determine in the weighted average of the average channel quality of each small base station in the second small collection of base stations, the weighted average of the average channel quality of each small base station in maximum second small collection of base stations.

The transmission power that S711, the macro base station use each small base station of the second small collection of base stations in power combination corresponding to the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations is as each small base station transmission power ready for use of the second small collection of base stations.

In the present embodiment, the specific implementation process of S708-S711 is similar with the specific implementation process of S601-S604 in embodiment of the present invention method six, and details are not described herein again.

Macro base station in the present embodiment can determine the first small base station and the L adjacent small base station transmission powers ready for use after having executed S711.

In the present embodiment, make to keep only one small base station to work using the first transmission power between adjacent small base station through the above way, it can guarantee the handling capacity of the small base station, and use the small base station of the second transmission power work performance of lifting system that can reduce it to the interference of adjacent small base station.

Optionally, the first small base station can also comprise at least one of the following feasible implementation after above-mentioned each method embodiment determines the first small base station transmission power ready for use through the invention.

In the first feasible implementation, the first small base station dispatches the first UE and carries out business transmission when the described first small base station uses first transmission power；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

In second of feasible implementation, when the described first small base station uses second transmission power, the first small base station sends scheduling instruction information to adjacent small base station, and the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.Wherein, edge UE refers to that physical location is in the UE at the edge of its overlay area for servicing small base station, and center UE refers to that physical location is in the UE at the center of its overlay area for servicing small base station.

In the third feasible implementation, when the described first small base station uses second transmission power or first transmission power, the transmission power of the reference signal of the first small base station is the current transmission power of the described first small base station.

In the 4th kind of feasible implementation, when the change rate of the described first small base station loaded within a preset time is greater than first threshold, the first small base station reduces the time cycle of N number of UE reporting measurement reports；When the change rate of the described first small base station loaded within a preset time is less than second threshold, the first small base station reduces the time cycle of N number of UE reporting measurement reports；Wherein, the first threshold is greater than or equal to the second threshold.

Figure 12 is the structural schematic diagram of the small base station transmitting power management system embodiment one of the present invention, and as shown in figure 12, the system of the present embodiment includes macro base station 10 and at least one small base station 20；Wherein, one small base station 20 is illustrated only in Figure 12, but is not limited to only include one small base station 20；Wherein, macro base station 10 can use the structure of Fig. 2 or Fig. 4 any device embodiment, accordingly, can execute the scheme that macro base station executes in the above-mentioned each method embodiment of the present invention, it is similar that the realization principle and technical effect are similar, and details are not described herein again.Small base station 20 can use the structure of Fig. 1 or Fig. 3 any device embodiment, accordingly, can execute the scheme that the first small base station executes in the above-mentioned each method embodiment of the present invention, it is similar that the realization principle and technical effect are similar, and details are not described herein again.

Those of ordinary skill in the art will appreciate that: realizing all or part of the steps of above method embodiment, this can be accomplished by hardware associated with program instructions, program above-mentioned can be stored in a computer readable storage medium, the program when being executed, executes step including the steps of the foregoing method embodiments；And storage medium above-mentioned includes: read-only memory (English: Read-Only Memory, referred to as: ROM), the various media that can store program code such as random access memory (English: Random Access Memory, abbreviation: RAM), magnetic or disk.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it is still possible to modify the technical solutions described in the foregoing embodiments, or equivalent substitution of some or all of the technical features；And these are modified or replaceed, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims

A kind of small base station, as the first small base station characterized by comprising

Transmit-Receive Unit, the measurement report of N number of reported by user equipment UE for receiving the described first small BTS management, each measurement report include the channel quality for sending the UE measurement of the measurement report；

Processing unit, for determining the current average channel quality of the described first small base station according to the channel quality in N number of measurement report；And according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, obtain the first small base station transmission power ready for use.
Small base station according to claim 1, it is characterized in that, the processing unit is according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, when obtaining the described first small base station transmission power ready for use, it is specifically used for:

It is greater than channel quality thresholds according to the current average channel quality and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is greater than channel quality thresholds according to the current average channel quality and the present load is not more than load threshold, determines that the described first small base station makes stand-by the second transmission power of transmission power；Alternatively,

It is greater than the second transmission power no more than channel quality thresholds and the current transmission power according to the current average channel quality, determines that the described first small base station transmission power ready for use is second transmission power；Alternatively,

It is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than second transmission power, and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than the second transmission power, and the present load is not more than load threshold, determines that the described first small base station transmission power ready for use is second transmission power；

Wherein, first transmission power is greater than second transmission power.
Small base station according to claim 1, which is characterized in that

The processing unit is in present load and current transmission power according to the described first small base station At least one and the current average channel quality be specifically used for when obtaining the described first small base station transmission power ready for use: sending the current average channel quality and the present load of the described first small base station to macro base station；The first small base station is any small base station in the macro base station coverage area；

It receives the macro base station and indicates that information, the power distribution instruction information are used to indicate the described first small base station transmission power ready for use according to the power distribution that the current average channel quality of the described first small base station and the present load are sent；

Indicate that information determines the described first small base station transmission power ready for use according to the power distribution.
Small base station according to claim 3, which is characterized in that each measurement report further includes sending the mark of the strongest adjacent small base station of interference of UE measurement of the measurement report；

The processing unit is also used to before receiving the power distribution instruction information that the macro base station is sent, according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and the H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report；And the adjacent small Base Station Identification collection is sent to the macro base station.
Small base station according to claim 4, it is characterized in that, the processing unit is when receiving the power distribution instruction information that the macro base station is sent according to the current average channel quality of the described first small base station and the present load, it is specifically used for: receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, the power distribution of transmission indicates information.
Small base station according to claim 5, which is characterized in that the processing unit is also used to before receiving the power distribution instruction information that the macro base station is sent, and Xiang Suoshu macro base station sends the current transmission power of the described first small base station.
Small base station according to claim 6, it is characterized in that, the processing unit is receiving the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, when the power distribution sent indicates information, it is specifically used for: receives the macro base station according to the current average channel quality of the described first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection, the power distribution of transmission indicates information.
According to small base station described in claim 3-7 any one, it is characterized in that, it is the first transmission power or the second transmission power that the power distribution instruction information, which is used to indicate the described first small base station transmission power ready for use, and first transmission power is greater than second transmission power.
The small base station according to claim 2 or 8, which is characterized in that second transmission power is zero transmission power.
The small base station according to claim 2 or 8 or 9, which is characterized in that the processing unit is also used to dispatch the first UE and carries out business transmission when the described first small base station is using first transmission power；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

The processing unit is also used to dispatch the 2nd UE and carries out business transmission when the described first small base station is using second transmission power；2nd UE is the carry out low-load of the described first small BTS management or any UE of low data rate services.
According to small base station described in claim 2 or 8-10 any one, it is characterized in that, the Transmit-Receive Unit, it is also used to when the described first small base station is using second transmission power, scheduling instruction information is sent to adjacent small base station, the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.
According to small base station described in claim 2 or 8-11 any one, it is characterized in that, when the described first small base station uses second transmission power or first transmission power, the transmission power of the reference signal of the first small base station is the current transmission power of the described first small base station.
Small base station described in -12 any one according to claim 1, which is characterized in that the processing unit is also used to, when the change rate of the described first small base station loaded within a preset time is greater than first threshold, the time cycle of reduction N number of UE reporting measurement reports；When the change rate of the described first small base station loaded within a preset time is less than second threshold, the time cycle of increase N number of UE reporting measurement reports；

Wherein, the first threshold is greater than or equal to the second threshold.
Small base station described in -13 any one according to claim 1, it is characterized in that, the processing unit is being specifically used for when determining the current average channel quality of the described first small base station according to the channel quality in N number of measurement report: determining adding for the channel quality in N number of measurement report Weight average value is the current momentary channel quality of the described first small base station；And the current momentary channel quality of the average channel quality, the first small base station obtained according to described first small base station last time, obtain current average channel quality described in the first small base station.
A kind of macro base station characterized by comprising

Receiving unit, for receiving the current average channel quality and present load of the described first small base station that the first small base station is sent；The first small base station is any small base station in the macro base station coverage area；

Processing unit, for determining the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load；

Transmission unit, for the described first small base-station transmitting-power distribution instruction information, the power distribution instruction information to be used to indicate the described first small base station transmission power ready for use.
Macro base station according to claim 15, it is characterized in that, the processing unit is specifically used for, it is greater than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

It is not more than load threshold according to the present load that the current average channel quality of the described first small base station is greater than channel quality thresholds and the first small base station, determines that the described first small base station transmission power ready for use is the second transmission power；Alternatively,

The present load according to the current average channel quality of the described first small base station no more than channel quality thresholds and the first small base station is less than load threshold, determines that the described first small base station transmission power ready for use is the second transmission power；

Wherein, first transmission power is greater than second transmission power.
Macro base station according to claim 15, it is characterized in that, the receiving unit is also used in the processing unit according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, receive the adjacent small Base Station Identification collection for the described first small base station that the described first small base station is sent, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, and the H is the integer more than or equal to 1；

The processing unit is specifically used for, when the current average channel quality of the described first small base station is not more than channel quality thresholds, and the present load of the first small base station be not less than load threshold when, according to the adjacent small Base Station Identification collection, the present load of the H adjacent small base stations is obtained； And the present load according to the H adjacent small base stations, determine the described first small base station transmission power ready for use.
Macro base station according to claim 17, it is characterized in that, the processing unit is in the present load according to the H adjacent small base stations, when determining the described first small base station transmission power ready for use, it is specifically used for: when the present load of the adjacent small base stations the H is respectively less than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power.
Macro base station according to claim 17, it is characterized in that, the receiving unit is also used to the present load in the processing unit according to the H adjacent small base stations, before determining the described first small base station transmission power ready for use, the current transmission power for the described first small base station that the described first small base station is sent is received；

The processing unit when determining the described first small base station transmission power ready for use, is specifically used in the present load according to the adjacent small base station the H:

When the present load of at least one adjacent small base station in the H adjacent small base stations is not less than the load threshold, according to the present load and the load threshold of the H adjacent small base stations, determine that present load is not less than L adjacent small base stations of the load threshold in the H adjacent small base stations, 1≤L < H, and the L is integer；Obtain the current average channel quality and current transmission power of the L adjacent small base stations；And

According to the current average channel quality of the described first small base station and current transmission power and the current average channel quality and current transmission power of the L adjacent small base stations, the described first small base station and the L adjacent small base station transmission powers ready for use are determined；Wherein, the described first small base station and the L adjacent small base station transmission powers ready for use make the weighted average of the average channel quality of the described first small base station and the L adjacent small base stations maximum；One of them small base station transmission power ready for use in the first small base station and the L adjacent small base stations is the first transmission power, and the small base station transmission power ready for use described in the first small base station and the L adjacent small base stations in addition to transmission power ready for use is the small base station of first transmission power is the second transmission power；

Wherein, first transmission power is greater than second transmission power.
Macro base station according to claim 19, it is characterized in that, the processing unit is in the current average channel quality and current transmission power according to the current average channel quality and current transmission power of the described first small base station and the L adjacent small base stations, when determining the described first small base station and the L adjacent small base stations transmission power ready for use, it is specifically used for:

First transmission power is used to the second small base station in the first small collection of base stations, second transmission power is used to the small base station in the described first small collection of base stations in addition to the described second small base station, L+1 different power combinations are obtained, each power combination includes the transmission power that the described first small base station and the L adjacent small base stations use；The first small collection of base stations includes the described first small base station and the L adjacent small base stations, and the second small base station is any small base station in the described first small collection of base stations；

The current average channel quality of the described first small base station is corresponded to according to the current transmission power of the described first small base station, and the current transmission power of the L adjacent small base stations corresponds to the current average channel quality of the L adjacent small base stations, determines the average channel quality of each corresponding first small base station of power combination and the L adjacent small base stations in the L+1 power combination；

In the weighted average for determining the average channel quality of the corresponding first small base station of each power combination and the L adjacent small base stations, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations；

By in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, the transmission power that the first small base station and the L adjacent small base stations use is respectively as the described first small base station and the L adjacent small base station transmission powers ready for use.
Macro base station according to claim 20, it is characterized in that, the processing unit will the maximum first small base station and the L adjacent small base stations average channel quality weighted average corresponding in power combination, before the transmission power that the first small base station and the L adjacent small base stations use is as the described first small base station and the L adjacent small base station transmission powers ready for use, it is also used to:

When the power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the adjacent small base station the L that currently determine is identical as power combination corresponding to the weighted average of the average channel quality for the maximum first small base station and the L adjacent small base station that the macro base station last time determines, determine the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is not less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines.
Macro base station according to claim 21, which is characterized in that the processing unit is also For, by the weighted average of the average channel quality of the last maximum first small base station determined of storage and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.
The macro base station according to claim 21 or 22, which is characterized in that the processing unit is also used to:

If the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines；Determine that the small base station of third transmission power ready for use is the second transmission power, the small base station of third is the small base station of currently used first transmission power in the described first small collection of base stations；

First transmission power is used to the 4th small base station in the second small collection of base stations, the second transmission power is used to the small base station in addition to the 4th small base station in the described second small collection of base stations, obtains L different power combinations；The second small base station set includes all small base stations in the described first small base station and the L adjacent small base stations in addition to the small base station of the third；Each power combination includes the transmission power that each small base station of the described second small collection of base stations uses；The 4th small base station is any small base station in the described second small collection of base stations；

Determine the average channel quality of each small base station in the L power combination in the corresponding second small base station set of each power combination；

In the weighted average for determining the average channel quality of each small base station in the described second small collection of base stations, the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations；

By transmission power that in power combination corresponding to the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations, each small base station of the second small collection of base stations is used as each small base station transmission power ready for use in the described second small collection of base stations.
Macro base station described in 6 or 19-23 any one according to claim 1, which is characterized in that second transmission power is zero transmission power.
Macro base station described in 6-24 any one according to claim 1, it is characterized in that, the processing unit is also used to obtaining the macro base station before determining the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load Coverage area in the small base station M current average channel quality；The M small base stations include the described first small base station and the H adjacent small base stations, and the M is the integer more than or equal to H+1；And determine that the weighted average of the current average channel quality of the small base station M is the channel quality thresholds.
A kind of small base station transmitting power management method, which is characterized in that the described method includes:

First small base station receives the measurement report of N number of reported by user equipment UE of the described first small BTS management, and each measurement report includes the channel quality for sending the UE measurement of the measurement report；

The first small base station determines the current average channel quality of the described first small base station according to the channel quality in N number of measurement report；

The first small base station obtains the first small base station transmission power ready for use according at least one of the present load of the described first small base station and current transmission power and the current average channel quality.
According to the method for claim 26, it is characterized in that, the first small base station is according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, obtain the described first small base station transmission power ready for use, comprising:

The first small base station is greater than channel quality thresholds according to the current average channel quality and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

The first small base station is greater than channel quality thresholds according to the current average channel quality and the present load is not more than load threshold, determines that the described first small base station makes stand-by the second transmission power of transmission power；Alternatively,

The first small base station is greater than the second transmission power no more than channel quality thresholds and the current transmission power according to the current average channel quality, determines that the described first small base station transmission power ready for use is second transmission power；Alternatively,

The first small base station is not more than channel quality thresholds according to the current average channel quality, and the current transmission power is not more than second transmission power, and the present load is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

The first small base station is not more than the second transmission power no more than channel quality thresholds and the current transmission power according to the current average channel quality, and the present load is no more than load threshold Value determines that the described first small base station transmission power ready for use is second transmission power；

Wherein, first transmission power is greater than second transmission power.
According to the method for claim 26, which is characterized in that

The first small base station obtains the first small base station transmission power ready for use according at least one of the present load of the described first small base station and current transmission power and the current average channel quality, comprising:

The first small base station sends the current average channel quality and the present load of the described first small base station to macro base station；The first small base station is any small base station in the macro base station coverage area；

The first small base station receives the macro base station and indicates that information, the power distribution instruction information are used to indicate the described first small base station transmission power ready for use according to the power distribution that the current average channel quality of the described first small base station and the present load are sent；

The first small base station indicates that information determines the described first small base station transmission power ready for use according to the power distribution.
According to the method for claim 28, which is characterized in that each measurement report further includes sending the mark of the strongest adjacent small base station of interference of UE measurement of the measurement report；

The first small base station receives before the power distribution instruction information that the macro base station is sent, further includes:

The first small base station is according to the mark of the adjacent small base station in N number of measurement report, obtain adjacent small Base Station Identification collection, the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, 1≤H≤N, and the H is integer, the mark for the adjacent small base station of the H adjacent small base stations being identified as in N number of measurement report；

The first small base station sends the adjacent small Base Station Identification collection to the macro base station.
According to the method for claim 29, which is characterized in that the first small base station receives the macro base station and indicates information according to the power distribution that the current average channel quality of the described first small base station and the present load are sent, comprising:

The first small base station receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, and the power distribution of transmission indicates information.
According to the method for claim 30, which is characterized in that the first small base station receives before the power distribution instruction information that the macro base station is sent, further includes:

The first small base station sends the current transmission power of the described first small base station to the macro base station.
According to the method for claim 31, it is characterized in that, the first small base station receives the macro base station according to the current average channel quality of the described first small base station, the present load and the adjacent small Base Station Identification collection, and the power distribution of transmission indicates information, comprising:

The first small base station receives the macro base station according to the current average channel quality of the described first small base station, the current transmission power, the present load and the adjacent small Base Station Identification collection, and the power distribution of transmission indicates information.
According to method described in claim 28-32 any one, it is characterized in that, it is the first transmission power or the second transmission power that the power distribution instruction information, which is used to indicate the described first small base station transmission power ready for use, and first transmission power is greater than second transmission power.
The method according to claim 27 or 33, which is characterized in that second transmission power is zero transmission power.
According to method described in claim 27 or 33 or 34, which is characterized in that further include: it dispatches the first UE and carries out business transmission when the described first small base station uses first transmission power in the first small base station；First UE is the carry out high load of the described first small BTS management or any UE of high data rate traffic；And/or

It dispatches the 2nd UE and carries out business transmission when the described first small base station uses second transmission power in the first small base station；2nd UE is the carry out low-load of the described first small BTS management or any UE of low data rate services.
According to method described in claim 27 or 33-35 any one, which is characterized in that further include:

When the described first small base station uses second transmission power, the first small base station sends scheduling instruction information to adjacent small base station, and the scheduling instruction information is used to indicate the adjacent small base station and dispatches the edge UE of the adjacent small BTS management in the enterprising industry business transmission of the first running time-frequency resource；First running time-frequency resource is that the center UE of the described first small BTS management carries out the running time-frequency resource of business transmission.
According to method described in claim 27 or 33-36 any one, which is characterized in that when the described first small base station uses second transmission power or first transmission power, described first The transmission power of the reference signal of small base station is the current transmission power of the described first small base station.
According to method described in claim 26-37 any one, which is characterized in that further include:

When the change rate of the described first small base station loaded within a preset time is greater than first threshold, the first small base station reduces the time cycle of N number of UE reporting measurement reports；

When the change rate of the described first small base station loaded within a preset time is less than second threshold, the first small base station increases the time cycle of N number of UE reporting measurement reports；

Wherein, the first threshold is greater than or equal to the second threshold.
According to method described in claim 26-38 any one, which is characterized in that the first small base station determines the current average channel quality of the described first small base station according to the channel quality in N number of measurement report, comprising:

The first small base station determines that the weighted average of the channel quality in N number of measurement report is the current momentary channel quality of the described first small base station；

The current momentary channel quality of average channel quality, the first small base station that the first small base station is obtained according to the described first small base station last time, obtains current average channel quality described in the first small base station.
A kind of small base station transmitting power management method characterized by comprising

Macro base station receives the current average channel quality and present load for the described first small base station that the first small base station is sent；The first small base station is any small base station in the macro base station coverage area；

The macro base station determines the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load；

The macro base station is used to indicate the described first small base station transmission power ready for use to the described first small base-station transmitting-power distribution instruction information, the power distribution instruction information.
According to the method for claim 40, which is characterized in that the present channel quality and the present load of the macro base station according to the described first small base station determine the described first small base station transmission power ready for use, comprising:

The macro base station is greater than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is greater than load threshold, determines that the described first small base station transmission power ready for use is the first transmission power；Alternatively,

The macro base station is not more than load threshold according to the present load that the current average channel quality of the described first small base station is greater than channel quality thresholds and the first small base station, determines institute Stating the first small base station transmission power ready for use is the second transmission power；Alternatively,

The macro base station is not more than channel quality thresholds according to the current average channel quality of the described first small base station, and the present load of the first small base station is less than load threshold, determines that the described first small base station transmission power ready for use is the second transmission power；

Wherein, first transmission power is greater than second transmission power.
According to the method for claim 40, which is characterized in that the macro base station is according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, further includes:

The macro base station receives the adjacent small Base Station Identification collection for the described first small base station that the described first small base station is sent, and the adjacent small Base Station Identification collection includes the mark of H adjacent small base stations, and the H is the integer more than or equal to 1；

The macro base station determines the described first small base station transmission power ready for use according to the current average channel quality of the described first small base station and the present load, comprising:

When the current average channel quality of the described first small base station is not more than channel quality thresholds, and the present load of the first small base station be not less than load threshold when, the macro base station obtains the present load of the H adjacent small base stations according to the adjacent small Base Station Identification collection；

The macro base station determines the described first small base station transmission power ready for use according to the present load of the H adjacent small base stations.
According to the method for claim 42, which is characterized in that the macro base station determines the described first small base station transmission power ready for use according to the present load of the H adjacent small base stations, comprising:

When the present load of the H adjacent small base stations is respectively less than load threshold, the macro base station determines that the described first small base station transmission power ready for use is the first transmission power.
According to the method for claim 42, it is characterized in that, the macro base station is according to the present load of the adjacent small base station the H, before determining the described first small base station transmission power ready for use, further includes: the macro base station receives the current transmission power for the described first small base station that the described first small base station is sent；

The macro base station determines the described first small base station transmission power ready for use according to the present load of the H adjacent small base stations, comprising:

When the present load of at least one adjacent small base station in the H adjacent small base stations is not less than institute When stating load threshold, the macro base station determines L adjacent small base stations of the present load not less than the load threshold, 1≤L < H in the H adjacent small base stations, and the L is integer according to the present load and the load threshold of the H adjacent small base stations；

The macro base station obtains the current average channel quality and current transmission power of the L adjacent small base stations；

The macro base station determines the described first small base station and the L adjacent small base station transmission powers ready for use according to the current average channel quality and current transmission power of the described first small base station and the current average channel quality and current transmission power of the L adjacent small base stations；Wherein, the described first small base station and the L adjacent small base station transmission powers ready for use make the weighted average of the average channel quality of the described first small base station and the L adjacent small base stations maximum；One of them small base station transmission power ready for use in the first small base station and the L adjacent small base stations is the first transmission power, and the small base station transmission power ready for use described in the first small base station and the L adjacent small base stations in addition to transmission power ready for use is the small base station of first transmission power is the second transmission power；

Wherein, first transmission power is greater than second transmission power.
According to the method for claim 44, it is characterized in that, the macro base station is according to the current average channel quality and current transmission power of the described first small base station and the current average channel quality and current transmission power of the L adjacent small base stations, determine the described first small base station and the L adjacent small base station transmission powers ready for use, comprising:

The macro base station uses the first transmission power to the second small base station in the first small collection of base stations, second transmission power is used to the small base station in the described first small collection of base stations in addition to the described second small base station, L+1 different power combinations are obtained, each power combination includes the transmission power that the described first small base station and the L adjacent small base stations use；The first small collection of base stations includes the described first small base station and the L adjacent small base stations, and the second small base station is any small base station in the described first small collection of base stations；

The macro base station corresponds to the current average channel quality of the described first small base station according to the current transmission power of the described first small base station, and the current transmission power of the L adjacent small base stations corresponds to the current average channel quality of the L adjacent small base stations, determines the average channel quality of each corresponding first small base station of power combination and the L adjacent small base stations in the L+1 power combination；

The macro base station determines the corresponding first small base station of each power combination and the L In the weighted average of the average channel quality of a adjacent small base station, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations；

The macro base station is by power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, and the transmission power that the first small base station and the L adjacent small base stations use is respectively as the described first small base station and the L adjacent small base station transmission powers ready for use.
According to the method for claim 45, it is characterized in that, the macro base station will be in power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations, before the transmission power that the first small base station and the L adjacent small base stations use is as the described first small base station and the L adjacent small base station transmission powers ready for use, further includes:

When the power combination corresponding to the weighted average of the average channel quality of the maximum first small base station and the adjacent small base station the L that the macro base station currently determines is identical as power combination corresponding to the weighted average of the average channel quality for the maximum first small base station and the L adjacent small base station that the macro base station last time determines, the macro base station determines the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is not less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines.
According to the method for claim 46, which is characterized in that further include:

The macro base station will store the weighted average of the average channel quality of the last maximum first small base station determined and the L adjacent small base stations, it is updated to, stores the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations.
The method according to claim 46 or 47, which is characterized in that further include:

If the macro base station determines the weighted average of the average channel quality of the maximum first small base station currently determined and the L adjacent small base stations, it is less than, the weighted average of the average channel quality of the maximum first small base station and the L adjacent small base stations that the last time of the macro base station storage determines；The macro base station determines that the small base station of third transmission power ready for use is the second transmission power, and the small base station of third is the small base station of currently used first transmission power in the described first small collection of base stations；

The macro base station uses the first transmission power to the 4th small base station in the second small collection of base stations, uses the second transmission power to the small base station in addition to the 4th small base station in the described second small collection of base stations, obtains L different power combinations；The second small base station set includes all small base stations in the described first small base station and the L adjacent small base stations in addition to the small base station of the third；Each power combination includes the transmission power that each small base station of the described second small collection of base stations uses；The 4th small base station is any small base station in the described second small collection of base stations；

The macro base station determines the average channel quality of each small base station in the L power combination in the corresponding second small base station set of each power combination；

The macro base station determines in the weighted average of the average channel quality of each small base station in the described second small collection of base stations, the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations；

The macro base station is by transmission power that in power combination corresponding to the weighted average of the average channel quality of each small base station in the maximum second small collection of base stations, each small base station of the second small collection of base stations is used as each small base station transmission power ready for use in the described second small collection of base stations.
According to method described in claim 41 or 44-48 any one, which is characterized in that second transmission power is zero transmission power.
According to method described in claim 41-49 any one, which is characterized in that the macro base station is according to the current average channel quality of the described first small base station and the present load, before determining the described first small base station transmission power ready for use, further includes:

The macro base station obtains the current average channel quality of M small base stations in the coverage area of the macro base station；The M small base stations include the described first small base station and the H adjacent small base stations, and the M is the integer more than or equal to H+1；

The macro base station determines that the weighted average of the current average channel quality of the M small base stations is the channel quality thresholds.
A kind of small base station transmitting power management system characterized by comprising at least one small base station as described in claim 1-14 any one, and the macro base station as described in claim 15-25 any one.