CN103826309B - A kind of method and apparatus of scheduling resource - Google Patents
A kind of method and apparatus of scheduling resource Download PDFInfo
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- CN103826309B CN103826309B CN201410067213.6A CN201410067213A CN103826309B CN 103826309 B CN103826309 B CN 103826309B CN 201410067213 A CN201410067213 A CN 201410067213A CN 103826309 B CN103826309 B CN 103826309B
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Abstract
The invention discloses a kind of method and apparatus of scheduling resource, it is related to data processing field, for solving to increase after Small Cell in macro network, how schedule network resources, the problem of resource utilization and throughput to maximize macro network and Small Cell.The method that the present invention is provided is specifically included：Before distribution scheduling of resource unit, first judge that the service type of the user equipment in the set of the CQI corresponding to the scheduling of resource unit corresponding to maximum CQI is serviced by grand networking or Small Cell, judge whether the scheduling of resource unit for being allocated to the service type in advance is assigned again, when being assigned, from CQI set outside the CQI, again a maximum CQI is filtered out, proceed to judge, until for the user equipment corresponding to new CQI service type division scheduling of resource unit quantity not less than rated value when, the scheduling of resource unit is distributed to the user equipment corresponding to the CQI.During the embodiment of the present invention is mainly used in base station scheduling resource.
Description
Technical field
The present invention relates to data processing field, more particularly to a kind of method and apparatus of scheduling resource.
Background technology
Third generation partner program (3rd Generation Partnership Project, referred to as 3GPP) is long-term
Evolution (Long Term Evaluation, referred to as LTE) project has carried out major tuneup on the basis of 3G systems, on the one hand
Network performance is increased dramatically, network parameter complication, network structure is changed at many levels, to network operation
Maintenance brings challenge.In order to overcome the multipath fading in LTE system, spectrum utilization efficiency is improved, LTE system is provided using dynamic
Source distribution mechanism, wherein, the medium education (Medium of the evolved base station (eNode B, referred to as eNB) in LTE system
Access Control, referred to as MAC) layer is responsible for the scheduling of resource of up-downgoing channel.
With the continuous lifting of LTE network capacity, the mobile data flow of user's request also increases constantly, operator
In order to shunt mobile data, more efficiently to utilize radio spectrum resources, the Small Cell (wireless access of low-power is introduced
Node), Small Cell are a kind of low transmitting powers, the base station equipment of small range covering, and it, can as the supplement of macro network
Operator is shunted mobile data by macro network of lower cost, still, Small is added in original macro network cell
After Cell cells, when using channel deployment (co-channel) altogether, if not called reasonably to the resource in network,
Small cell and macro network send data simultaneously, and small cell can be caused to be produced to the downlink of original macro network
Interference, influences the throughput and resource utilization of network.
The content of the invention
Embodiments of the invention provide a kind of method and apparatus of scheduling resource, for solving to increase in macro network
After Small Cell, how schedule network resources, to maximize macro network and Small Cell resource utilization and gulp down
The problem of telling rate.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
The embodiments of the invention provide a kind of method of scheduling resource, including：
Base station obtains the first CQI (Channel Quality Indicator, CQI) set, from described
The CQI of maximum is obtained in first CQI set；The first CQI set refers to all available scheduling of resource lists of the base station
In position, the set of the CQI compositions corresponding to single unassigned scheduling of resource unit；
The base station is according to acquired CQI, it is determined that the service type of user equipment corresponding with the CQI of the acquisition；
The service type includes servicing by macro network service and by Small Cell；
The base station judges the current scheduling of resource unit of the service type according to the service type of the user equipment
Quantity whether exceed for the service type distribute scheduling of resource unit quantity；
When the quantity of the current scheduling of resource unit of the service type exceeds the resource tune distributed for the service type
When spending the quantity of unit, the base station current maximum CQI zero setting during the first CQI is gathered, and return from described first
The CQI and subsequent step of maximum are obtained in CQI set；
When the quantity of the current scheduling of resource unit of the service type is without departing from the resource distributed for the service type
During the quantity of thread, the scheduling of resource unit is distributed to current maximum during the first CQI gathers by the base station
User equipment corresponding to CQI, and judge whether all available scheduling of resource units in the base station are assigned；
The user that the base station records the scheduling of resource unit currently the distributed scheduling of resource unit current with being assigned to sets
Corresponding relation between standby, and when all available scheduling of resource units in the base station are assigned, stop as user equipment
Scheduling of resource unit is distributed, otherwise returns and performs the first CQI of acquisition set and subsequent step, until the base station is all available
Scheduling of resource unit be assigned.
The embodiments of the invention provide a kind of device of scheduling resource, described device is applied in base station equipment, including：
Determining module, for according to acquired CQI, it is determined that the service of user equipment corresponding with the CQI of the acquisition
Classification；The service type includes servicing by macro network service and by Small Cell；
Judge module, for the service type according to the user equipment, judges that the current resource of the service type is adjusted
Whether the quantity for spending unit exceeds the quantity for the scheduling of resource unit distributed for the service type；
Management module, is the service type for exceeding in the quantity of the current scheduling of resource unit of the service type
During the quantity of the scheduling of resource unit of distribution, current maximum CQI zero setting during the first CQI is gathered, and return from described
The CQI and subsequent step of maximum are obtained in first CQI set；The current scheduling of resource unit of the service type quantity not
During beyond the quantity for the scheduling of resource unit distributed for the service type, the scheduling of resource unit is distributed to described first
User equipment in CQI set corresponding to current maximum CQI, and judge that all available scheduling of resource units in the base station are
It is no to be assigned；Record the scheduling of resource unit currently distributed and be assigned between the user equipment of current scheduling of resource unit
Corresponding relation, and when all available scheduling of resource units in the base station are assigned, stop distributing for user equipment and provide
Source thread, otherwise returns and performs the first CQI of acquisition set and subsequent step, until all available resources of the base station
Thread is assigned.
A kind of method and apparatus of scheduling resource provided in an embodiment of the present invention, the method for use includes：In distribution resource
Before thread, the clothes of the user equipment in the CQI set corresponding to the scheduling of resource unit corresponding to maximum CQI are first judged
Business classification is serviced by grand networking or Small Cell, then judges to be allocated to the scheduling of resource list of the service type in advance
Whether position is assigned, when being assigned, and from CQI set outside the CQI, a maximum CQI is filtered out again,
Proceed to judge, until the quantity of the scheduling of resource unit of the service type division for the user equipment corresponding to new CQI
During not less than rated value, then the scheduling of resource unit distributed into the user equipment corresponding to the CQI, and come in the same way
Each scheduling of resource unit that distribution base station can be dispatched.By first judging scheduling of resource list before distribution scheduling of resource unit
User equipment service type corresponding to the best downlink of position channel quality is by grand networking or Small Cell services
, and in the current scheduling of resource Board Lot overrate of the service type, reselect next channel quality most
Good downlink, and in the scheduling of resource list for the service type for judging the user equipment corresponding to selected downlink then
When bit quantity is not less than rated value, the scheduling of resource unit is distributed into the user equipment corresponding to selected downlink,
While channel quality is considered, it is also contemplated that the rated value of macro network and Small Cell scheduling of resource Board Lots, i.e.,
The optimum distribution of channel quality is ensure that, macro network and Small Cell scheduling of resource ability are taken full advantage of again, and then
Base station is enabled to maximize resource utilization and handling capacity in its service range, solve increases Small in macro network
After Cell, how schedule network resources, to cause the resource utilization and throughput that maximize macro network and Small Cell to ask
Topic.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of method flow diagram of scheduling resource provided in an embodiment of the present invention；
Fig. 2 is the method flow diagram that first CQI of acquisition provided in an embodiment of the present invention gathers；
Fig. 3 is the method flow diagram that a kind of 2nd CQI of acquisition provided in an embodiment of the present invention gathers；
Fig. 4 is a kind of schematic device of scheduling resource provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic device of scheduling resource provided in an embodiment of the present invention.
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 is described, it is clear that described embodiment is only a part of embodiment of the 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 creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiments of the invention provide a kind of method of scheduling of resource, its method flow is as shown in figure 1, specifically include：
101st, base station obtains the first CQI (Channel Quality Indicator, CQI) set, from
The CQI of maximum is obtained in the first CQI set.
Wherein, the first CQI set refers in all available scheduling of resource units of the base station, single not divided
The set of CQI compositions corresponding to the scheduling of resource unit matched somebody with somebody.Wherein, each scheduling of resource unit may be by multiple downlinks
Called, therefore, for some scheduling of resource unit, every can call the downlink of the scheduling of resource unit to have
One CQI, these CQI constitute the corresponding CQI set of the scheduling of resource unit, and each CQI in set indicates resource tune
Channel quality of the unit on every downlink is spent, and maximum CQI is meant that can dispatch all of the scheduling of resource unit
The best link of channel quality in downlink, downlink mentioned here is probably between grand networking and user equipment
Or between Small Cell and user equipment.
Wherein, the scheduling of resource unit can be resource block (Resource Block, referred to as RB), but be not limited to
This, for example, can also be the granularity of the subband in broadband defined in existing LTE standard, the subband of UE selections and upper-layer configured.
The selection of the granularity of the scheduling of resource unit, requirement that can be by network to CQI precision determines scheduling of resource unit.If a certain base
K downlink is co-existed in standing, then for a certain scheduling of resource unit RB b, the first CQI set can be expressed as：
Wherein, γk,bRefer to CQIs of the RB b on k-th of downlink.
102nd, the base station is according to acquired CQI, it is determined that the service class of user equipment corresponding with the CQI of the acquisition
Not.
Wherein, the service type includes servicing by macro network service and by Small Cell, and user equipment is by macro network
Service is still serviced by Small Cell, can select to be compiled all user equipmenies in the base station service range by base station
Number, and divided by numbering, for example, the user equipment sum that the base station can be serviced is K, meet KA=1,2,
3 ..., K1User equipment KABy grand network services, K is metB=K1+ 1, K1+ 2, K1+ 3 ..., K user equipment KBBy small
Cell is serviced.
Wherein, the CQI is that by user equipment to report to base station, therefore base station can receive the CQI of reporting of user
When, know the numbering of user equipment, then determined by the scope of user's device numbering the user equipment be by macro network or
Small Cell services.Wherein, if using γk,bRepresent RB b with the CQI on k-th of downlink, then, obtained according to CQI
Numbering to user equipment can be obtained by the calculating of following formula：
Wherein,The as numbering of user equipment.
103rd, the base station judges the current scheduling of resource of the service type according to the service type of the user equipment
Whether the quantity of unit exceeds the quantity for the scheduling of resource unit distributed for the service type.
Wherein, if the scheduling of resource Board Lot that the base station can be called is NRB, and set by the user that macro network is serviced
Standby quantity is K1, it is K by the quantity of the Small Cell user equipmenies serviced2, then it is allocated to macrocell in service type
Scheduling of resource Board Lot N1With the scheduling of resource Board Lot N for being allocated to Small Cell in service type2, can be by following public affairs
Formula is calculated：
Wherein, whether the quantity of the scheduling of resource unit for judging that the service type is current exceeds for the service class
The mode of the quantity for the scheduling of resource unit do not distributed can be：The current scheduling of resource unit distributed for macro network is represented with i
Quantity, the quantity without departing from the scheduling of resource unit distributed for macro network is represented as i≤N1, is otherwise represented to exceed, is represented with j
The current scheduling of resource Board Lot distributed for Small Cell, is represented as j≤N2 without departing from being distributed for Small Cell
The quantity of scheduling of resource unit, otherwise represents to exceed.
104th, when the quantity of the current scheduling of resource unit of the service type exceeds the money distributed for the service type
During the quantity of source thread, the base station current maximum CQI zero setting during the first CQI is gathered, and return to step
101, perform the CQI and subsequent step that maximum is obtained from the first CQI set.
Wherein, the quantity of the scheduling of resource unit current when the service type exceeds for service type distribution
Scheduling of resource unit quantity when, illustrated divisions have reached that its is specified to the scheduling of resource Board Lot of the service type
Quantity, by the way that the first CQI is gathered in current maximum CQI zero setting, and reselect the CQI of maximum mode, obtain
CQI corresponding to one new downlink, if the service type of the user equipment corresponding to the CQI is still the service class
Not, then the CQI zero setting is reselected the CQI of maximum by continuation, until the service class of the user equipment corresponding to the CQI
Untill being not another service type, then judge whether the scheduling of resource unit of this service class has been fully allocated to user and has set
It is standby.
105th, when the quantity of the service type current scheduling of resource unit for the service type without departing from distributing
During the quantity of scheduling of resource unit, the base station by the scheduling of resource unit distribute to during the first CQI gathers it is current most
User equipment corresponding to big CQI, and judge whether all available scheduling of resource units in the base station are assigned.
Wherein, the quantity of the scheduling of resource unit current when the service type is divided without departing from for the service type
During the quantity for the scheduling of resource unit matched somebody with somebody, illustrate that the scheduling of resource Board Lot divided for the service type is also not up to its specified
Quantity, still can continue distribution, then, the scheduling of resource unit is just distributed into current maximum in the first CQI set
User equipment corresponding to CQI, the mode of distribution can be to set up corresponding between the scheduling of resource unit and the user equipment
Relation, such as records the scheduling user index mode of the scheduling of resource unit.
Wherein, if obtaining the first CQI set according to the ascending order of the numbering of scheduling of resource unit, then judge
Whether all available scheduling of resource units in base station, which are assigned, to be adjusted by the numbering of scheduling of resource unit with resource
The total amount of degree unit is contrasted to determine, i.e. if what is currently distributed is b-th of scheduling of resource unit, and base station is all available
Scheduling of resource Board Lot be NRB, then working as b=NRBWhen, illustrate that all available scheduling of resource units in the base station are complete
Portion is assigned.
106th, the scheduling of resource unit that the base station record is currently distributed is set with being assigned to the user of the scheduling of resource unit
Corresponding relation between standby, and when all available scheduling of resource units in the base station are assigned, stop as user equipment
Scheduling of resource unit is distributed, step 101 and subsequent step is otherwise performed, until all available scheduling of resource lists of the base station
Bit allocation is finished.
Wherein, the mode of the record may be selected in scheduling of resource matrix between storage resource thread and user equipment
Corresponding relation, when user equipment is assigned to scheduling of resource unit, it becomes possible to according to scheduling of resource matrix using correspondence provide
Source thread carries out data transmission.After all available scheduling of resource units have been allocated, the base station stops using
Family equipment distribution scheduling of resource unit, within a period of time, the base station will carry out data biography according to the scheduling of resource matrix
Defeated, the renewal to dispatch matrix can be set according to actual needs, such as be set to periodically update mode according to the regular hour,
User equipment i.e. after a period of time from from base station to all service ranges issues the message for reporting CQI, passes through step 101 to step
Method described in rapid 106 redistributes scheduling of resource unit.For the unallocated user equipment to scheduling of resource unit, it is believed that
It is that channel quality is excessively poor, needing to wait for being assigned to next time after scheduling of resource unit can just carry out data transmission.
Wherein, each element in the dispatch matrix is the user equipment volume that each scheduling of resource unit is assigned to
Number, if for example, SbFor dispatch matrix,For the numbering of user equipment, then each scheduling of resource unit RB b scheduling user's rope
Draw, that is, SbIn element be
A kind of method of scheduling resource provided in an embodiment of the present invention, the method for use includes：In distribution scheduling of resource list
Before position, the service type of the user equipment in the CQI set corresponding to the scheduling of resource unit corresponding to maximum CQI is first judged
Serviced by grand networking or Small Cell, then judge to be allocated in advance the service type scheduling of resource unit whether
Be assigned, when being assigned, from the CQI set in outside the CQI, a maximum CQI is filtered out again, continue into
Row judge, until for the user equipment corresponding to new CQI service type division scheduling of resource unit quantity not less than
During rated value, then the scheduling of resource unit distributed into the user equipment corresponding to the CQI, and distribute base in the same way
Stand each the scheduling of resource unit that can be dispatched.By first judging scheduling of resource per channel before distribution scheduling of resource unit
User equipment service type corresponding to top-quality downlink is serviced by grand networking or Small Cell, and
During the current scheduling of resource Board Lot overrate of the service type, best descending of next channel quality is reselected
Link, and the service type for judging the user equipment corresponding to selected downlink then scheduling of resource Board Lot not
During overrate, the scheduling of resource unit is distributed into the user equipment corresponding to selected downlink, considered
While channel quality, it is also contemplated that the rated value of macro network and Small Cell scheduling of resource Board Lots, that is, it ensure that letter
The optimum distribution of road quality, takes full advantage of macro network and Small Cell scheduling of resource ability, and then cause base station again
The resource utilization and handling capacity in its service range can be maximized, solve increases after Small Cell in macro network,
How schedule network resources, the problem of to maximize macro network and Small Cell resource utilization and throughput.
Further, in order to illustrate the first CQI set acquisition methods, in a kind of implementation of the embodiment of the present invention
In, additionally provide following method flow, it is specific as shown in Fig. 2 including：
201st, the base station receives multiple 2nd CQI set that the user equipment is sent.
Wherein, the scheduling of resource unit that the single downlink of base station described in the 2nd CQI set expressions can be dispatched
On CQI composition set.Wherein, the scheduling of resource unit that each downlink can be dispatched there may be it is multiple, it is and each
Scheduling of resource unit has a CQI on the downlink, therefore, and what the 2nd CQI set referred to is exactly that same is descending
The set of CQI of multiple scheduling of resource units on the downlink on link, the CQI in the 2nd CQI set be by
User equipment calculates and obtains and send to the base station.
202nd, the base station selects same resource on all downlinks to adjust from the multiple 2nd CQI set received
Spend the CQI of unit, composition the 3rd CQI set.
Wherein, the 3rd CQI set refers to each self-corresponding CQI set of each scheduling of resource unit.Each resource is adjusted
Degree unit may be called by multiple downlinks, therefore, for same scheduling of resource unit, its can be called it is every
A CQI can be calculated on bar downlink, the CQI on a plurality of downlink corresponding to same scheduling of resource unit
Just constitute the 3rd CQI set.
It is because being according to scheduling of resource list when distributing scheduling of resource unit furthermore, it is necessary to obtain the 3rd CQI set
CQI of the position on different downlinks determine, accordingly, it would be desirable to by the different resource thread on same downlink
On CQI set, be converted in same scheduling of resource unit the set of the CQI on different downlinks.
203rd, the base station is chosen corresponding to single unassigned scheduling of resource unit from all 3rd CQI set
The 3rd CQI set be used as the first CQI set.
Wherein, in each self-corresponding 3rd CQI set of all scheduling of resource units obtained by step 202, Ke Nengcun
It is what is be allocated in some scheduling of resource units, then just by from corresponding to unappropriated scheduling of resource unit
In three CQI set, the 3rd CQI set for selecting a unassigned scheduling of resource unit is gathered as the first CQI, to pass through
The method flow of step 101 to 106 distributes the scheduling of resource unit.Select the side of single unappropriated scheduling of resource unit
Method, can be selected by the order according to scheduling of resource unit number, for example, when the available resource in a certain base station is adjusted
It is B to spend unit total quantity, and the numbering of one of scheduling of resource unit is when being b, can be according to 1,2 ..., and b, b+1 ..., B enter
Row arrangement, by choosing during scheduling of resource unit, can choose scheduling of resource unit by way of b=b+1.
In the present embodiment, by from the corresponding 2nd CQI set of multiple single downlink links, selecting for same money
The 3rd CQI set of source thread, and from multiple 3rd CQI set, select a unappropriated scheduling of resource unit institute
The mode that corresponding 3rd CQI set is gathered as the first CQI, from the corresponding 3rd CQI set of downlink, is picked out
The corresponding first CQI set of single unappropriated scheduling of resource unit so that base station can gather according to the first CQI to be carried out
Judge, and be allocated, carrying out scheduling of resource for base station provides feasibility.
There is provided the acquisition modes of the 2nd CQI set in another implementation of the embodiment of the present invention, its method is shown
It is intended to as shown in figure 3, specifically including：
301st, the user equipment in the service range of the base station calculates each self-corresponding macro network downlink and can adjusted
CQI in all scheduling of resource units of degree.
Wherein, each user equipment can only have a downlink when being connected to base station, i.e. macro network is set with user
Downlink between standby, or, the downlink between Small Cell and user equipment, but each user equipment can be counted
Calculate two kinds of downlinks and distinguish the CQI of corresponding scheduling of resource unit, and the CQI calculated is reported on base station, by base
It is one downlink of each user equipment selection to stand according to CQI size.
If in addition, macro network downlink and Small Cell downlinks corresponding to user equipment k appoints k respectively1,
k2, the shared N of resource transfer unit that can be called in user equipment k serving BSRBIt is individual, the numbering of each resource transfer unit
Difference b=1,2 ..., NRB, and the CQI in the scheduling of resource unit that the corresponding macro network downlinks of user equipment k can be dispatched
It can be calculated and obtained by following formula：
Wherein,The first CQI is represented,Represent downlink k1Signal to noise ratio at scheduling of resource unit b, PsTable
Show the transmission power of user equipment k macro network base station.
302nd, the user equipment calculates all resources tune that each self-corresponding Small Cell downlinks can be dispatched
The CQI spent in unit.
Likewise, according to condition set in step 301, the corresponding Small Cell downlinks institutes of user equipment k
CQI calculation formula that can be in the scheduling of resource unit of scheduling is：
Wherein,The 2nd CQI is represented,Represent downlink k2Signal to noise ratio at scheduling of resource unit b, PrTable
Show user equipment k Small Cell transmission power.
303rd, the user equipment is interrupted according to the expectation in the quantity and single scheduling of resource unit of the user equipment
Probability, calculating reports quantity.
Wherein, it is described to report quantity to refer to need the quantity for the scheduling of resource unit for reporting CQI.If using PoutRepresent single
Expectation outage probability in scheduling of resource unit, uses NFBExpression needs to report the quantity of CQI scheduling of resource unit, NRBRepresent
The sum for the scheduling of resource unit that user equipment k serving BS can be called, then for user equipment k, NFBCalculating it is public
Formula is：
304th, the user equipment is from all scheduling of resource units that the every downlink calculated can be dispatched
Selected in CQI by it is descending it is tactic before report quantity CQI to constitute the 2nd CQI set.
Wherein, the condition according to set by step 301 to 305, the 2nd CQI set acquisition methods be：On downlink k
CQI set expressions beA CQI subset reported is selected for a downlink k user equipmentElement in the subset meet forWherein CQIk,2=
CQIk,0-CQIk,1, wherein, CQIK, 1As the 2nd CQI gathers.
305th, the 2nd CQI set corresponding to all downlinks is sent to the base station by the user equipment.
In the present embodiment, by some user equipment in the service range of base station calculate respectively its macro network and
The CQI on downlink between Small Cell, and obtained by the CQI calculated being capable of indicating downlink Link Channel Quality
CQI, and calculated by the expectation outage probability of scheduling of resource unit and need to report the quantity of CQI scheduling of resource unit, will
The 2nd CQI for reporting the CQI of quantity scheduling of resource unit to constitute before larger is sent to base station, is base station according to the 2nd CQI
Set obtains the first CQI there is provided exploitativeness.
The device of a kind of scheduling resource provided in an embodiment of the present invention, applied in base station equipment, as shown in figure 4, specifically
Including：
Acquisition module 41, for obtaining the first CQI set, obtains the CQI of maximum from the first CQI set；It is described
First CQI gathers in all available scheduling of resource units for referring to the base station, single unassigned scheduling of resource unit
The set of corresponding CQI compositions.
Determining module 42, for according to acquired CQI, it is determined that the clothes of user equipment corresponding with the CQI of the acquisition
Business classification；The service type includes servicing by macro network service and by Small Cell.
Judge module 43, for the service type according to the user equipment, judges the current resource of the service type
Whether the quantity of thread exceeds the quantity for the scheduling of resource unit distributed for the service type.
Management module 44, is the service class for exceeding in the quantity of the current scheduling of resource unit of the service type
During the quantity for the scheduling of resource unit do not distributed, current maximum CQI zero setting during the first CQI is gathered, and return from institute
State the CQI and subsequent step that maximum is obtained in the first CQI set；In the quantity of the current scheduling of resource unit of the service type
Without departing from the scheduling of resource unit distributed for the service type quantity when, the scheduling of resource unit is distributed to described
User equipment in one CQI set corresponding to current maximum CQI, and judge all available scheduling of resource units in the base station
Whether it is assigned；When in the base station, all available scheduling of resource units are assigned, stop distributing money for user equipment
Source thread, otherwise returns and performs the first CQI of acquisition set and subsequent step, until all available resources of the base station
Thread is assigned.
In addition, the acquisition module also includes：
Receiving unit 45, for receiving multiple 2nd CQI set that the user equipment is sent；The 2nd CQI set
Set for representing the compositions of the CQI in the scheduling of resource unit that the single downlink of the base station can be dispatched.
Selecting unit 46, for from the multiple 2nd CQI set received, selecting same resource on all downlinks
The CQI of thread, composition the 3rd CQI set；The 3rd CQI set refers to that each scheduling of resource unit is each self-corresponding
CQI gathers；From all 3rd CQI set, the 3rd CQI set corresponding to single unassigned scheduling of resource unit is chosen
Gather as the first CQI.
The device of a kind of scheduling resource provided in an embodiment of the present invention, applied in user equipment, as shown in figure 5, specifically
Including：
Computing module 51, for calculating all resources that the corresponding macro network downlink of the user equipment can be dispatched
CQI on thread；All resources that calculating the corresponding Small Cell downlinks of the user equipment can dispatch are adjusted
The CQI spent in unit；According to the expectation outage probability in the quantity of the user equipment and single scheduling of resource unit, in calculating
Count off amount；It is described to report quantity to refer to need the quantity for the scheduling of resource unit for reporting CQI.
Selecting module 52, for from all scheduling of resource units that the every downlink calculated can be dispatched
Selected in CQI by it is descending it is tactic before report quantity CQI to constitute the 2nd CQI set.
Sending module 53, for the 2nd CQI set corresponding to all downlinks to be sent into the base station.
A kind of device of scheduling resource provided in an embodiment of the present invention, the method for use includes：In distribution scheduling of resource list
Before position, the service type of the user equipment in the CQI set corresponding to the scheduling of resource unit corresponding to maximum CQI is first judged
Serviced by grand networking or Small Cell, then judge to be allocated in advance the service type scheduling of resource unit whether
Be assigned, when being assigned, from the CQI set in outside the CQI, a maximum CQI is filtered out again, continue into
Row judge, until for the user equipment corresponding to new CQI service type division scheduling of resource unit quantity not less than
During rated value, then the scheduling of resource unit distributed into the user equipment corresponding to the CQI, and distribute base in the same way
Stand each the scheduling of resource unit that can be dispatched.By first judging scheduling of resource per channel before distribution scheduling of resource unit
User equipment service type corresponding to top-quality downlink is serviced by grand networking or Small Cell, and
During the current scheduling of resource Board Lot overrate of the service type, best descending of next channel quality is reselected
Link, and the service type for judging the user equipment corresponding to selected downlink then scheduling of resource Board Lot not
During overrate, the scheduling of resource unit is distributed into the user equipment corresponding to selected downlink, considered
While channel quality, it is also contemplated that the rated value of macro network and Small Cell scheduling of resource Board Lots, that is, it ensure that letter
The optimum distribution of road quality, takes full advantage of macro network and Small Cell scheduling of resource ability, and then cause base station again
The resource utilization and handling capacity in its service range can be maximized, solve increases after Small Cell in macro network,
How schedule network resources, the problem of to maximize macro network and Small Cell resource utilization and throughput.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be borrowed
Software is helped to add the mode of required common hardware to realize, naturally it is also possible to which the former is more preferably by hardware, but in many cases
Embodiment.Understood based on such, the portion that technical scheme substantially contributes to prior art in other words
Dividing can be embodied in the form of software product, and the computer software product is stored in the storage medium that can be read, and such as be counted
The floppy disk of calculation machine, hard disk or CD etc., including some instructions to cause a computer equipment (can be personal computer,
Server, or the network equipment etc.) perform method described in each embodiment of the invention.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of method of scheduling resource, it is characterised in that methods described includes：
Base station obtains the first channel quality indicator CQI set, and the CQI of maximum is obtained from the first CQI set；Described first
CQI gathers and referred in all available scheduling of resource units that the single downlink of the base station can be dispatched, same resource
The set of CQI compositions corresponding to single unassigned scheduling of resource unit in thread；
The base station is according to acquired CQI, it is determined that the service type of user equipment corresponding with the CQI of the acquisition；It is described
Service type includes servicing by macro network service and by Small Cell；
The base station judges the number of the current scheduling of resource unit of the service type according to the service type of the user equipment
Whether amount exceeds the quantity for the scheduling of resource unit distributed for the service type；
When the quantity of the current scheduling of resource unit of the service type exceeds the scheduling of resource list distributed for the service type
During the quantity of position, the base station current maximum CQI zero setting during the first CQI is gathered, and return from the first CQI collection
The CQI and subsequent step of maximum are obtained in conjunction；
When the quantity of the current scheduling of resource unit of the service type is without departing from the scheduling of resource distributed for the service type
During the quantity of unit, the scheduling of resource unit is distributed to current maximum CQI institutes during the first CQI gathers by the base station
Corresponding user equipment, and judge whether all available scheduling of resource units in the base station are assigned；
The base station records the scheduling of resource unit currently distributed in scheduling of resource matrix and is assigned to current scheduling of resource
Corresponding relation between the user equipment of unit, and when all available scheduling of resource units in the base station are assigned, stop
Scheduling of resource unit only is distributed for user equipment, otherwise returns and performs the first CQI of acquisition set and subsequent step, until the base
All available scheduling of resource units stood are assigned, and each element in the scheduling of resource matrix is each scheduling of resource
The user equipment numbering that unit is assigned to.
2. according to the method described in claim 1, it is characterised in that the base station, which obtains the first CQI set, to be included：
The base station receives multiple 2nd CQI set that the user equipment is sent；2nd CQI gathers for representing described
The set of CQI compositions in the scheduling of resource unit that the single downlink of base station can be dispatched；
The base station selects same scheduling of resource unit on all downlinks from the multiple 2nd CQI set received
CQI, composition the 3rd CQI set；The 3rd CQI set refers to each self-corresponding CQI set of each scheduling of resource unit；
The 3rd CQI corresponding to single unassigned scheduling of resource unit is chosen from all 3rd CQI set in the base station
Set is gathered as the first CQI.
3. a kind of method of scheduling resource, it is characterised in that methods described includes：
User equipment in the service range of base station calculates all resources that each self-corresponding macro network downlink can be dispatched
CQI on thread；
The user equipment is calculated in all scheduling of resource units that each self-corresponding Small Cell downlinks can be dispatched
CQI；
The user equipment is calculated according to the expectation outage probability in the quantity and single scheduling of resource unit of the user equipment
Report quantity；It is described to report quantity to refer to need the quantity for the scheduling of resource unit for reporting CQI；
The user equipment is selected from the CQI in all scheduling of resource units that the every downlink calculated can be dispatched
By it is descending it is tactic before report quantity CQI constitute the 2nd CQI set；
The 2nd CQI set corresponding to all downlinks is sent to the base station by the user equipment.
4. a kind of device of scheduling resource, it is characterised in that described device is applied in base station equipment, including：
Acquisition module, for obtaining the first CQI set, obtains the CQI of maximum from the first CQI set；First CQI
Gather and refer in all available scheduling of resource units that the single downlink of the base station can be dispatched, same scheduling of resource
The set of CQI compositions corresponding to single unassigned scheduling of resource unit in unit；
Determining module, for according to acquired CQI, it is determined that the service type of user equipment corresponding with the CQI of the acquisition；
The service type includes servicing by macro network service and by Small Cell；
Judge module, for the service type according to the user equipment, judges the current scheduling of resource list of the service type
Whether the quantity of position exceeds the quantity for the scheduling of resource unit distributed for the service type；
Management module, for exceeding in the quantity of the current scheduling of resource unit of the service type for service type distribution
Scheduling of resource unit quantity when, current maximum CQI zero setting during the first CQI is gathered, and returning from described first
The CQI and subsequent step of maximum are obtained in CQI set；The current scheduling of resource unit of the service type quantity without departing from
During the quantity for the scheduling of resource unit distributed for the service type, the scheduling of resource unit is distributed into the first CQI
User equipment in set corresponding to current maximum CQI, and whether judge all available scheduling of resource units in the base station
It is assigned；The scheduling of resource unit currently distributed is recorded in scheduling of resource matrix and current scheduling of resource unit is assigned to
User equipment between corresponding relation, and when all available scheduling of resource units in the base station are assigned, stop be
User equipment distributes scheduling of resource unit, otherwise returns and performs the first CQI of acquisition set and subsequent step, until the base station
All available scheduling of resource units are assigned, and each element in the scheduling of resource matrix is each scheduling of resource unit
The user equipment numbering being assigned to.
5. device according to claim 4, it is characterised in that the acquisition module includes：
Receiving unit, for receiving multiple 2nd CQI set that the user equipment is sent；2nd CQI gathers for table
Show the set of the CQI compositions in the scheduling of resource unit that the single downlink of the base station can be dispatched；
Selecting unit, for from the multiple 2nd CQI set received, selecting same scheduling of resource list on all downlinks
The CQI of position, composition the 3rd CQI set；The 3rd CQI set refers to each self-corresponding CQI set of each scheduling of resource unit；
From all 3rd CQI set, choose the set of the 3rd CQI corresponding to single unassigned scheduling of resource unit and be used as first
CQI gathers.
6. a kind of device of scheduling resource, it is characterised in that described device is applied in user equipment, including：
Computing module, can be dispatched for the corresponding macro network downlink of user equipment in the service range of calculation base station
CQI in all scheduling of resource units；Calculate the institute that the corresponding Small Cell downlinks of the user equipment can be dispatched
There is the CQI in scheduling of resource unit；Interrupted according to the expectation in the quantity of the user equipment and single scheduling of resource unit general
Rate, calculating reports quantity；It is described to report quantity to refer to need the quantity for the scheduling of resource unit for reporting CQI；
Selecting module, for being selected from the CQI in all scheduling of resource units that the every downlink calculated can be dispatched
Select by it is descending it is tactic before report quantity CQI constitute the 2nd CQI set；
Sending module, for the 2nd CQI set corresponding to all downlinks to be sent into the base station.
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| EP3821662A1 (en) * | 2018-07-12 | 2021-05-19 | Nokia Technologies OY | Hybrid macro diversity and cooperative relaying method of ultra-reliable and real-time multi-user communication |
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| EP1985010A2 (en) * | 2006-01-31 | 2008-10-29 | Texas Instruments Incorporated | Signaling requirements to support interference coordination in ofdma based systems |
| CN102007808A (en) * | 2008-04-14 | 2011-04-06 | 高通股份有限公司 | Allocation of control resources of a femto cell to avoid interference with a macro cell |
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