CN106385688A - Baseband resource distribution method and system, and controller - Google Patents
Baseband resource distribution method and system, and controller Download PDFInfo
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- CN106385688A CN106385688A CN201610803659.XA CN201610803659A CN106385688A CN 106385688 A CN106385688 A CN 106385688A CN 201610803659 A CN201610803659 A CN 201610803659A CN 106385688 A CN106385688 A CN 106385688A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides a baseband resource distribution method and system, and a controller, and relates to the communication technology field. The problem is solved that the whole utilization rate of the baseband source in the source pool is low in the prior art. The method comprises: the controller obtains the source overload early warning message reported by a first BBU through a switch; the controller requires source occupancy rate reported by other BBUs except the first BBU in the source pool through the switch according to the source overload early warning message; and the controller determines a target BBU according to the source occupancy rate reported by other BBUs and switches the RRU on the first BBU to the target BBU through the switch. The controller is connected with the switch, the first group of the interfaces of the switch is connected with a plurality of baseband processing units (BBU), and the second group of the interfaces of the switch is connected with a plurality of remote radio units. The baseband resource distribution method and system, and the controller are applied to the distribution of the baseband source.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of base-band resource distribution method and system and controller.
Background technology
The high speed development of a large amount of popularizations with intelligent terminal and mobile Internet is so that mobile data services recent years
It is exponentially increased, this means that the mobile network of operator needs to bear bigger data pressure.This new in order to tackle
Trend, a kind of network architecture meeting the new base band resource pool of data service growth requirement, reduces cost and energy consumption meet the tendency and
Raw.
As shown in figure 1, a kind of base band resource pool network architecture diagram providing for prior art.Specifically, in resource pool
Baseband processing unit (English：Base Band Unit, referred to as：BBU) generally connect the Remote Radio Unit of several solid quantity
(English：Radio Remote Unit, referred to as：RRU), wherein, each RRU can process the receiving and transmitting signal of place cell, and every
The user in cell that the disposal ability of individual BBU is serviced by it uses.In this base band resource pool network architecture, a large amount of BBU concentrate
It is centrally disposed machine room, RRU is disposed close to the remote location of antenna, connects by optical fiber between BBU and RRU, one can be adopted
Form to one or one-to-many, such allows the above-mentioned network architecture greatly to save BBU machine room site and supporting money
Source, and BBU can manage maintenance concentratedly, can greatly save space energy consumption and maintenance cost.
But, inventor finds, cannot tackle the tidal effect occurring in network so that base using above-mentioned network structure
Relatively low with the resource overall utilization rate in resource pool.Specifically, because each BBU in existing network framework connects several admittedly
The RRU of fixed number amount so that BBU be only capable of in region residing for oneself user used by so that being on duty the time, in residential block
BBU leave unused, BBU in business district overload；And the BBU in quitting time, residential block transships, the BBU in business district leaves unused,
So that the BBU in resource pool can not be fully utilized, thus leading to base-band resource overall utilization rate in resource pool relatively
Low.
Content of the invention
Embodiments of the invention provide a kind of base-band resource distribution method and system and controller, solve to provide in prior art
The relatively low problem of base-band resource overall utilization rate in the pond of source.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
In a first aspect, providing a kind of base-band resource distribution method, it is applied to controller, described controller and switch phase
Even, wherein, the first group interface of described switch connects multiple baseband processing unit BBU, the second group interface of described switch
Connect multiple radio frequency remote unit RRU, methods described includes：
Described controller obtains, by described switch, the resource overload early warning information that a BBU reports；
Described controller asks to remove a described BBU according to described resource overload early warning information in resource pool by switch
Other BBU in addition report resources occupation rate；
Described controller determines target BBU according to the resources occupation rate that other BBU described report, and passes through described switch
RRU on a described BBU is switched in target BBU.
Further, described controller obtains, by described switch, the resource overload early warning information tool that a BBU reports
Body includes：
When a BBU resources occupation rate meet first pre-conditioned when, a described BBU reports money to described switch
Early warning information is transshipped in source；
Described controller obtains, by described switch, the resource overload early warning information that a described BBU reports；
Wherein, the described first pre-conditioned resources occupation rate for the BBU in resource pool is more than the first predetermined threshold value, described
First BBU is any one in the BBU in described resource pool.
Optionally, described controller determines target BBU according to the resources occupation rate that other BBU described report, and passes through institute
State before switch switches to the RRU on a described BBU in target BBU, also include：
Described controller receives, by described switch, the resources occupation rate that other BBU described report.
Further, described controller determines target BBU according to the resources occupation rate that other BBU described report, concrete bag
Include：
Controller determine the 2nd BBU resources occupation rate meet second pre-conditioned when it is determined that described 2nd BBU be mesh
Mark BBU；
Wherein, the described second pre-conditioned occupancy for other BBU in resource pool is less than the second predetermined threshold value, described
2nd BBU is any one or more in other BBU in resource pool.
Further, when described 2nd BBU is multiple, described controller selects resources occupation rate in the 2nd BBU minimum
For described target BBU.
Second aspect, provides a kind of controller, and described controller is connected with switch, wherein, the first of described switch
Group interface connects multiple baseband processing unit BBU, and the second group interface of described switch connects multiple radio frequency remote unit RRU,
Described controller includes：
Acquisition module, for obtaining, by described switch, the resource overload early warning information that a BBU reports；
Request module, for asking to remove described first according to described resource overload early warning information in resource pool by switch
Other BBU beyond BBU report resources occupation rate；
Processing module, for determining target BBU according to the resources occupation rate that other BBU described report, and by described friendship
Change planes and switch to the RRU on a described BBU in target BBU.
Further, described acquisition module specifically for：
When a BBU resources occupation rate meet first pre-conditioned when, a described BBU reports money to described switch
Early warning information is transshipped in source；
The resource overload early warning information that a described BBU reports is obtained by described switch；
Wherein, the described first pre-conditioned resources occupation rate for the BBU in resource pool is more than the first predetermined threshold value, described
First BBU is any one in the BBU in described resource pool.
Optionally, described controller also includes：
Receiver module, for receiving, by described switch, the resources occupation rate that other BBU described report.
Further, described processing module determines target BBU in the resources occupation rate reporting according to other BBU described, tool
Body is used for：
Determine the 2nd BBU resources occupation rate meet second pre-conditioned when it is determined that described 2nd BBU be target BBU；
Wherein, the described second pre-conditioned occupancy for other BBU in resource pool is less than the second predetermined threshold value, described
2nd BBU is any one or more in other BBU in resource pool.
Optionally, described controller also includes：
Selecting module, for when described 2nd BBU is multiple, select resources occupation rate in the 2nd BBU minimum for institute
State target BBU.
The third aspect, provides a kind of base-band resource distribution system, including the controller described in second aspect and switch, institute
State controller to be connected with described switch, the first interface of described switch connects multiple baseband processing unit BBU, described exchange
Second group interface of machine connects multiple radio frequency remote unit RRU.
Compared to prior art, in this programme, BBU is connected with RRU by switch, and controller passes through to control switch
To make Dynamic link library between BBU and RRU in resource pool.When the time of being on duty, due to the user in business district more so that
BBU in business district occurs the phenomenon of resource overload, when the resource overload of the BBU in business district, controller according to
The resources occupation rate of other BBU (BBU in such as living area) in resource pool determines target BBU, by a BBU in business district
On RRU be switched in target BBU so that the BBU in resource pool can realize resource-sharing by switch, carry simultaneously
The utilization rate of overall resource in high resource pool.Additionally, the RRU on a BBU is switched to target by switch by controller
On BBU, so that each BBU in resource pool can be normally cell serves, so that cell runs well.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be in embodiment or description of the prior art
The accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description be only the present invention some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
A kind of base band resource pool schematic network structure that Fig. 1 provides for prior art；
Fig. 2 is a kind of method flow diagram of base-band resource distribution method provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of controller provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another kind controller provided in an embodiment of the present invention；
Fig. 5 is a kind of structural representation of base-band resource distribution system provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Involved Remote Radio Unit (English in the embodiment of the present invention：Radio Remote Unit, referred to as：RRU) and
Baseband processing unit (English：Base Band Unit, referred to as：BBU) composition distributed base station transceiver station (English：Base
Transceiver Station, referred to as：BTS), BTS and base station controller (English：Base Station Controller,
Referred to as：BSC) this two logical nodes form base station sub-system (English：Base Station System, referred to as：BSS), its
In：This BSS is global system for mobile communications (English：Global System for Mobile Communication, referred to as：
GSM the equipment for radio access network in).Therefore, it follows that BBU and RRU in the embodiment of the present invention is at two in GSM
Reason unit, for processing Network.Wherein, above-mentioned BBU includes interface unit, control unit and Base Band Unit, and on
The RRU stating includes interface unit, control unit and radio frequency unit.
" first " " second " of referring in the present embodiment etc. describe word, unless based on context its certain order of representation it
Meaning is it should be understood that be only that differentiation is used.
The embodiment of the present invention provides a kind of base-band resource distribution method, is applied to controller, controller is connected with switch,
Wherein, the first group interface of switch connects multiple baseband processing unit BBU, and the second group interface of switch connects multiple radio frequencies
Extension unit RRU, as shown in Fig. 2 the method includes：
101st, controller obtains, by switch, the resource overload early warning information that a BBU reports.
Exemplary, in above-mentioned resource overload early warning information including but not limited to：The number parameter of the first BBU, first
BBU resources occupation rate and the overload pre-warning time of a BBU.
Exemplary, step 101 specifically includes herein below：
101a, when a BBU resources occupation rate meet first pre-conditioned when, a BBU reports to described switch
Resource overload early warning information.
101b, controller obtain, by switch, the resource overload early warning information that a BBU reports.
Wherein, the first above-mentioned pre-conditioned resources occupation rate for the BBU in resource pool is more than the first predetermined threshold value, the
One BBU is any one in the BBU in resource pool.
It should be noted that the first above-mentioned predetermined threshold value is configured by controller, for the first predetermined threshold value
Concrete numerical value is not defined here, for example, can be set to 80% or 90% or 95% etc., only illustrate here.Above-mentioned
In 101b in step, a described BBU is any one in the BBU in resource pool, a kind of only example, here not
It is defined.
Exemplary, based on the base-band resource Organization Chart shown in Fig. 2, because controller is not joined directly together with BBU, therefore control
Device processed in the detailed process of resource overload early warning information obtaining a BBU is：When the resources occupation rate of a BBU is more than first
During predetermined threshold value, resource overload early warning information is reported switch by a BBU, and controller to obtain first from switch
The resource overload message of BBU.
102nd, controller asks its in addition to a BBU in resource pool according to resource overload early warning information by switch
His BBU reports resources occupation rate.
Exemplary, step 102 specifically includes herein below：First, controller according to resource overload early warning information to friendship
Change planes and send out request, then this request is issued other BBU in addition to a BBU by switch, and then its in addition to a BBU
His BBU reports resources occupation rate to switch.Wherein：Above-mentioned request includes：The number parameter of the first BBU, a BBU
Resources occupation rate and the resource overload time of a BBU.
103rd, controller determines target BBU according to the resources occupation rate that other BBU report, and by switch by first
RRU on BBU switches in target BBU.
Exemplary, before step 103, the method also includes：
103a, controller receive, by switch, the resources occupation rate that other BBU report.
Exemplary, in step 103, according to the resources occupation rate that other BBU report, controller determines that target BBU is specifically wrapped
Include herein below：
A1, controller determine the 2nd BBU resources occupation rate meet second pre-conditioned when it is determined that the 2nd BBU be mesh
Mark BBU.
Wherein, the second above-mentioned pre-conditioned occupancy for other BBU in resource pool is less than the second predetermined threshold value, should
2nd BBU is any one or more in other BBU in resource pool.
It should be noted that the second above-mentioned predetermined threshold value is configured by controller, for the second predetermined threshold value
Concrete numerical value is not defined here, for example, can be set to 10% or 20% or 30% etc., only illustrate here.
Exemplary, when meeting the 2nd pre-conditioned BBU number of above-mentioned second for one, then controller determines
Target BBU is the 2nd BBU, and controller obtains the position of this target BBU, formulates new base-band resource allocation strategy, that is, formulates
A RRU on first BBU is switched to the routing iinformation of target BBU.Switching equipment is according to new routing iinformation being connected to the
A RRU on one BBU automatically switches in target BBU.So RRU, switching equipment and target BBU set up new connection, enter
Row proper communication.
Exemplary, when it is multiple for meeting the 2nd pre-conditioned BBU number of above-mentioned second, controller selects second
In BBU resources occupation rate minimum for target BBU.Controller obtains this target BBU numbering and position.New base formulated by controller
Band resource allocation policy, that is, formulate the routing iinformation that a RRU on a BBU is switched to target BBU.Switching equipment is according to new
Routing iinformation a RRU being connected on a BBU is automatically switched in target BBU.RRU, switching equipment and target BBU
Set up new connection, carry out proper communication.
The 2nd exemplary, pre-conditioned if there is no meeting above-mentioned second BBU, that is, controller can not find target
BBU, then controller by the positional information of a known BBU to switch send an early warning overload message, switch handle
This message passes through a BBU.First BBU does not carry out any operation, waits early warning overload message next time.
It should be noted that the number of a BBU in this programme can for any one in resource pool or
Multiple in resource pool.Due to, can occur multiple in the number of a synchronization satisfaction first pre-conditioned BBU, because
This, the number of the BBU in this programme can also be the multiple BBU in resource pool.Number as a BBU is one
When, how to obtain the process of target BBU, this programme has been illustrated with example in the above-described embodiment, does not exist here
Repeat.And when the number of a BBU is multiple, still adopt the thought of this programme.Simply when finding target BBU, look for more
One target BBU.For example, when the number of a BBU is two (being designated as BBU1 and BBU2), controller selects two mesh
Mark BBU (being designated as first object BBU and the second target BBU), controller passes through switch by the RRU on BBU1 according to preset rules
It is switched to first object BBU (or the RRU on BBU1 is switched to the second target BBU), the RRU on BBU2 is switched to the second mesh
Mark BBU (or the RRU on BBU2 is switched to first object BBU).Preset rules mentioned here are BBU1 pairs pre-setting
Answer first object BBU, corresponding second target BBU of BBU2 (or BBU1 corresponds to the second target BBU, and BBU2 corresponds to first object
BBU).
Compared to prior art, in this programme, BBU is connected with RRU by switch, and controller passes through to control switch
To make Dynamic link library between BBU and RRU in resource pool.When the time of being on duty, due to the user in business district more so that
BBU in business district occurs the phenomenon of resource overload, when the resource overload of the BBU in business district, controller according to
The resources occupation rate of other BBU (BBU in such as living area) in resource pool determines target BBU, by a BBU in business district
On RRU be switched in target BBU so that the BBU in resource pool can realize resource-sharing by switch, carry simultaneously
The utilization rate of overall resource in high resource pool.Additionally, the RRU on a BBU is switched to target by switch by controller
On BBU, so that each BBU in resource pool can be normally cell serves, so that cell runs well.
Below by the associated description in the embodiment based on Fig. 1 corresponding base-band resource distribution method to the embodiment of the present invention
A kind of controller providing is introduced.The explanation of the technical term related to above-described embodiment, concept etc. in following examples
It is referred to the above embodiments, repeat no more here.
The embodiment of the present invention provides a kind of controller, and this controller is connected with switch, and wherein, first group of switch connects
Mouth connects multiple baseband processing unit BBU, and the second group interface of switch connects multiple radio frequency remote unit RRU, as Fig. 3 institute
Show, above-mentioned controller 3 includes：Acquisition module 31, request module 32 and processing module 33, wherein：
Acquisition module 31, for obtaining, by switch, the resource overload early warning information that a BBU reports.
Request module 32, asks in resource pool remove a BBU according to resource overload early warning information by switch for device
Other BBU in addition report resources occupation rate.
Processing module 33, for target BBU is determined according to the resources occupation rate that other BBU report, and will by switch
RRU on first BBU switches in target BBU.
Exemplary, above-mentioned acquisition module 31 specifically for：
When a BBU resources occupation rate meet first pre-conditioned when, a BBU reports resource overload pre- to switch
Alarm message.
The resource overload early warning information that first BBU reports is obtained by switch.
Exemplary, the first above-mentioned pre-conditioned resources occupation rate for the BBU in resource pool is more than the first default threshold
Value, a BBU is any one in the BBU in resource pool.
Optionally, as shown in figure 4, above-mentioned controller 3 also includes：Receiver module 34, wherein：
Receiver module 34, for receiving, by switch, the resources occupation rate that other BBU report.
Exemplary, above-mentioned processing module 33 determines target BBU in the resources occupation rate reporting according to other BBU, tool
Body is used for：
Determine the 2nd BBU resources occupation rate meet second pre-conditioned when it is determined that the 2nd BBU be target BBU.
Exemplary, the second above-mentioned pre-conditioned occupancy for other BBU in resource pool is less than the second default threshold
Value, the 2nd BBU is any one or more in other BBU in resource pool.
Further, as shown in figure 4, above-mentioned controller 3 also includes：Selecting module 35, wherein：
Selecting module 35, for when the 2nd BBU is multiple, select resources occupation rate in the 2nd BBU minimum for target
BBU.
Compared to prior art, in this programme, BBU is connected with RRU by switch, and controller passes through to control switch
To make Dynamic link library between BBU and RRU in resource pool.When the time of being on duty, due to the user in business district more so that
BBU in business district occurs the phenomenon of resource overload, when the resource overload of the BBU in business district, controller according to
The resources occupation rate of other BBU (BBU in such as living area) in resource pool determines target BBU, by a BBU in business district
On RRU be switched in target BBU so that the BBU in resource pool can realize resource-sharing by switch, carry simultaneously
The utilization rate of overall resource in high resource pool.Additionally, the RRU on a BBU is switched to target by switch by controller
On BBU, so that each BBU in resource pool can be normally cell serves, so that cell runs well.
Below by the associated description in the embodiment based on the corresponding controller of Fig. 2 to one kind provided in an embodiment of the present invention
Base-band resource distribution system is introduced.The explanation of the technical term related to above-described embodiment, concept etc. in following examples
It is referred to the above embodiments, repeat no more here.
The embodiment of the present invention provides a kind of base-band resource distribution system, as shown in figure 5, this system includes above-mentioned controller
And switch, controller is connected with switch, and the first interface of switch connects multiple BBU, and the second group interface of switch
Connect multiple RRU.
A kind of base band resource pool schematic network structure shown in Fig. 1 of middle offer compared to existing technology, the present invention is implemented
In the base band resource pool distribution system that example provides, including multiple BBU, multiple RRU, switch and controller, wherein：Controller
It is connected with switch, the first interface of this switch is connected with multiple BBU, the second interface of this switch is connected with multiple RRU.
Controller dynamically distributes BBU resource by controlling switch for RRU, thus the base-band resource realized in resource pool is shared,
Improve the utilization rate of the base-band resource in resource pool.
In several embodiments provided herein it should be understood that the distribution method of disclosed base-band resource and
System and controller, can realize by another way.For example, the embodiment of controller described above is only to illustrate
Property, for example, the division of described module, only a kind of division of logic function, actual can have other division side when realizing
Formula, for example multiple module or components can in conjunction with or be desirably integrated into another system, or some features can be ignored, or not
Execution.Another, shown or discussed coupling each other or direct-coupling or communication connection can be connect by some
Mouth, the INDIRECT COUPLING of base station or module or communication connection, can be electrical, mechanical or other forms.
The described module illustrating as separating component can be or may not be physically separate, show as module
The part showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.The mesh to realize this embodiment scheme for some or all of unit therein can be selected according to the actual needs
's.
In addition, can be integrated in a processing unit in each functional module in each embodiment of the present invention it is also possible to
It is that the independent physics of modules is included it is also possible to two or more modules are integrated in a unit.Above-mentioned integrated list
Unit both can be to be realized in the form of hardware, it would however also be possible to employ the form that hardware adds SFU software functional unit is realized.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or network equipment etc.) executes the portion of each embodiment methods described of the present invention
Step by step.And aforesaid storage medium includes：USB flash disk, portable hard drive, read-only storage (Read-Only Memory, referred to as
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various can store
The medium of program code.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (11)
1. it is characterised in that being applied to controller, described controller is connected a kind of base-band resource distribution method with switch, its
In, the first group interface of described switch connects multiple baseband processing unit BBU, and the second group interface connection of described switch is many
Individual radio frequency remote unit RRU, methods described includes：
Described controller obtains, by described switch, the resource overload early warning information that a BBU reports；
Described controller according to described resource overload early warning information by switch ask resource pool in addition to a described BBU
Other BBU report resources occupation rate；
Described controller determines target BBU according to the resources occupation rate that other BBU described report, and by described switch by institute
The RRU stating on a BBU switches in target BBU.
2. method according to claim 1 obtains a BBU it is characterised in that described controller passes through described switch
The resource overload early warning information reporting specifically includes：
When a BBU resources occupation rate meet first pre-conditioned when, a described BBU reports resource mistake to described switch
Carry early warning information；
Described controller obtains, by described switch, the resource overload early warning information that a described BBU reports；
Wherein, the described first pre-conditioned resources occupation rate for the BBU in resource pool be more than the first predetermined threshold value, described first
BBU is any one in the BBU in described resource pool.
3. method according to claim 1 is it is characterised in that the resource that reported according to other BBU described of described controller
Occupancy determines target BBU, and before being switched to the RRU on a described BBU in target BBU by described switch, also
Including：
Described controller receives, by described switch, the resources occupation rate that other BBU described report.
4. method according to claim 1 is it is characterised in that the resource that reported according to other BBU described of described controller
Occupancy determines target BBU, specifically includes：
Controller determine the 2nd BBU resources occupation rate meet second pre-conditioned when it is determined that described 2nd BBU be target
BBU；
Wherein, the described second pre-conditioned occupancy for other BBU in resource pool be less than the second predetermined threshold value, described second
BBU is any one or more in other BBU in resource pool.
5. method according to claim 4 it is characterised in that
When described 2nd BBU is multiple, described controller select resources occupation rate in the 2nd BBU minimum for described target
BBU.
6. it is characterised in that described controller is connected with switch, wherein, first group of described switch connects a kind of controller
Mouth connects multiple baseband processing unit BBU, and the second group interface of described switch connects multiple radio frequency remote unit RRU, described
Controller includes：
Acquisition module, for obtaining, by described switch, the resource overload early warning information that a BBU reports；
Request module, for asking to remove a described BBU according to described resource overload early warning information in resource pool by switch
Other BBU in addition report resources occupation rate；
Processing module, for determining target BBU according to the resources occupation rate that other BBU described report, and passes through described switch
RRU on a described BBU is switched in target BBU.
7. controller according to claim 6 it is characterised in that described acquisition module specifically for：
When a BBU resources occupation rate meet first pre-conditioned when, a described BBU reports resource mistake to described switch
Carry early warning information；
The resource overload early warning information that a described BBU reports is obtained by described switch；
Wherein, the described first pre-conditioned resources occupation rate for the BBU in resource pool be more than the first predetermined threshold value, described first
BBU is any one in the BBU in described resource pool.
8. controller according to claim 6 is it is characterised in that described controller also includes：
Receiver module, for receiving, by described switch, the resources occupation rate that other BBU described report.
9. controller according to claim 6 is it is characterised in that described processing module reports according to other BBU described
Resources occupation rate determine target BBU, specifically for：
Determine the 2nd BBU resources occupation rate meet second pre-conditioned when it is determined that described 2nd BBU be target BBU；
Wherein, the described second pre-conditioned occupancy for other BBU in resource pool be less than the second predetermined threshold value, described second
BBU is any one or more in other BBU in resource pool.
10. controller according to claim 9 is it is characterised in that described controller also includes：
Selecting module, for when described 2nd BBU is multiple, select resources occupation rate in the 2nd BBU minimum for described mesh
Mark BBU.
A kind of 11. base-band resource distribution systems it is characterised in that include any one of claim 6-10 described in controller and
Switch, described controller is connected with described switch, and the first interface of described switch connects multiple baseband processing units
BBU, the second group interface of described switch connects multiple radio frequency remote unit RRU.
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| CN113498115A (en) * | 2020-04-08 | 2021-10-12 | 大唐移动通信设备有限公司 | Load balancing method and device |
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| CN106385688B (en) | 2019-11-26 |
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