CN103974291B - Cooperative multipoint transmission set option method and device, system - Google Patents
Cooperative multipoint transmission set option method and device, system Download PDFInfo
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- CN103974291B CN103974291B CN201310028351.9A CN201310028351A CN103974291B CN 103974291 B CN103974291 B CN 103974291B CN 201310028351 A CN201310028351 A CN 201310028351A CN 103974291 B CN103974291 B CN 103974291B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses cooperative multipoint transmission set option method and device, system, what each candidate user devices of each main transfer point in main transfer point were sent respectively states candidate user devices to the reference signal receiving intensity of main transfer point He other transfer points, using the first algorithm, energy efficiency of each candidate user devices in main transfer point in multiple cooperative multipoint transmission set of main transfer point is calculated respectively；Using the second algorithm, energy efficiency of the serving cell of main transfer point in multiple cooperative multipoint transmission set of main transfer point is calculated respectively；Energy efficiency of the serving cell of main transfer point in multiple cooperative multipoint transmission set of main transfer point is sent to Centroid, so that Centroid utilizes third algorithm, a cooperative multipoint transmission set is at least determined, the cooperative multipoint transmission set of determination is sent to main transfer point corresponding to the cooperative multipoint transmission set of determination；High system energy efficiency can be realized.
Description
Technical field
The present embodiments relate to communication technical field, more particularly to a kind of cooperative multipoint transmission set option method and dress
Put, system.
Background technology
Cooperative multipoint transmission technology（English：Coordinated Multi-Point, abbreviation CoMP）It is a kind of effectively utilization
Interference signal, the CoMP technologies of the important method of network performance, particularly allied signal processing are lifted, base station is sent and received
Signal shared between adjacent base station, can make full use of neighbor base station signal, solve interference problem, while lift internetworking
Energy.
In cooperative multipoint transmission technology, crucial factor is cooperative multipoint transmission Resource selection, that is, which is selected adjacent
Base station carries out cooperation transmission.However, existing cooperative multipoint transmission Resource selection only according to the signal quality of user equipment to report,
Intensity or Signal to Interference plus Noise Ratio etc. determine cooperative multipoint transmission set, and the extra signaling without considering to bring by cooperation is opened
Pin, for example, the additional energy that the signal transacting that can increase base station side is brought；It is high speed between base station, low delay, the biography of low error rate
The energy consumption of backhaul used in defeated shared information.
Therefore, existing cooperative multipoint transmission Resource selection may result in the problem of system energy efficiency is very low.
The content of the invention
The present invention provides a kind of cooperative multipoint transmission set option method and device, system, to solve existing cooperation
Multicast communication Resource selection may result in the problem of system energy efficiency is very low.
In a first aspect, the present invention provides a kind of cooperative multipoint transmission set option method, include applied to when cell cluster
In scene during multiple transmission point, including：
The candidate that each candidate user devices of each main transfer point in the main transfer point are sent respectively
User equipment, using the first algorithm, calculates institute respectively to the reference signal receiving intensity of the main transfer point He other transfer points
State energy dose-effect of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in main transfer point
Rate；
Each described main transfer point is according to each candidate user devices in the main transfer point of the calculating in institute
The energy efficiency in multiple cooperative multipoint transmission set of main transfer point is stated, using the second algorithm, the master is calculated respectively
Energy efficiency of the serving cell of transfer point in multiple cooperative multipoint transmission set of the main transfer point；
Each described main transfer point is more in multiple cooperations of the main transfer point by the serving cell of the main transfer point
Energy efficiency in point transmission set is sent to Centroid, so that the Centroid is sent out according to each described main transfer point
Energy efficiency of the serving cell for the main transfer point sent in multiple cooperative multipoint transmission set of the main transfer point, profit
With third algorithm, a cooperative multipoint transmission set is at least determined, the cooperative multipoint transmission set of the determination is sent to institute
State main transfer point corresponding to the cooperative multipoint transmission set of determination；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
Based in a first aspect, in the first possible implementation, each described main transfer point is according to the main biography
The candidate user devices that each candidate user devices in defeated point are sent respectively are to the main transfer point and other transfer points
Reference signal receiving intensity, using the first algorithm, calculate each candidate user devices in the main transfer point respectively in institute
The energy efficiency in multiple cooperative multipoint transmission set of main transfer point is stated, including：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are described in
The reference signal receiving intensity of main transfer point and other transfer points, each candidate user devices are calculated respectively in the main biography
Handling capacity in multiple cooperative multipoint transmission set of defeated point；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Multiple coordinate multipoints of each candidate user devices in the main transfer point in the main transfer point are passed respectively
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in defeated set, is respectively obtained every in the main transfer point
Energy efficiency of the individual candidate user devices in multiple cooperative multipoint transmission set of the main transfer point.
Based on the possible implementation of the first of first aspect and first aspect, in second of possible implementation
In, each described main transfer point is according to each candidate user devices in the main transfer point of the calculating in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point, using the second algorithm, the main transfer point is calculated respectively
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point, including：
The multiple associations of each candidate user devices in the main transfer point of the calculating in the main transfer point
Make the energy efficiency in multicast communication set, utilize formula：Respectively obtain the main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents appointing in multiple cooperative multipoint transmission set of the main transfer point
One cooperative multipoint transmission set, K1Multiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate uses
Any candidate user devices in the equipment of family,Represent energy dose-effects of the candidate user devices k in cooperative multipoint transmission set q
Rate, ωkRepresent weight factors of the candidate user devices k in the main transfer point.
Second aspect, the present invention provide a kind of cooperative multipoint transmission set option method, included applied to when cell cluster
In scene during multiple transmission point, including：
Centroid receives the serving cell for the main transfer point that each main transfer point is sent in the main biography respectively
Energy efficiency in multiple cooperative multipoint transmission set of defeated point, the serving cell of the main transfer point is in the main transfer point
Energy efficiency in multiple cooperative multipoint transmission set is that each candidate of the main transfer point in the main transfer point uses
The candidate user devices that family equipment is sent respectively to the main transfer point He other transfer points reference signal receiving intensity,
Using the first algorithm, multiple cooperations of each candidate user devices in the main transfer point in the main transfer point are calculated respectively
Energy efficiency in multicast communication set；Each candidate user devices in the main transfer point of the calculating are described
Energy efficiency in multiple cooperative multipoint transmission set of main transfer point, using the second algorithm, the main biography is calculated respectively
Energy efficiency of the serving cell of defeated point in multiple cooperative multipoint transmission set of the main transfer point；
The serving cell of the main transfer point sent according to each described main transfer point is in the more of the main transfer point
Energy efficiency in individual cooperative multipoint transmission set, using third algorithm, at least determine a cooperative multipoint transmission set；
The cooperative multipoint transmission set of the determination is sent to main corresponding to the cooperative multipoint transmission set of the determination
Transfer point；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
Based on second aspect, in the first possible implementation, each main transfer point is sent described in the basis
The main transfer point energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point, utilize
Third algorithm, a cooperative multipoint transmission set is at least determined, including：
Multiple cooperations of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Energy efficiency in multicast communication set, utilize system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more
Cooperative multipoint transmission set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents that multiple coordinate multipoints of the main transfer point n pass
Any cooperative multipoint transmission set in defeated set；Represent energy of the main transfer point n in cooperative multipoint transmission set q
Efficiency；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping is indicated whether
Allow same transfer point while belong to different cooperative multipoint transmission set progress cooperation transmissions；NcRepresent multiple transmission point,
The multiple transfer point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
The third aspect, the present invention provide a kind of cooperative multipoint transmission Resource selection device, positioned at transfer point side, applied to working as
In scene when cell cluster includes multiple transmission point, when the transfer point is main transfer point, described device includes：
First computing module, the time sent respectively for each candidate user devices in the main transfer point
User equipment is selected, using the first algorithm, to be calculated respectively to the reference signal receiving intensity of the main transfer point He other transfer points
Energy of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in the main transfer point
Efficiency；
Second computing module, for each candidate user devices in the main transfer point according to the calculating described
Energy efficiency in multiple cooperative multipoint transmission set of main transfer point, using the second algorithm, the main biography is calculated respectively
Energy efficiency of the serving cell of defeated point in multiple cooperative multipoint transmission set of the main transfer point；
Sending module, for by the serving cell of the main transfer point the main transfer point multiple cooperative multipoint transmissions
Energy efficiency in set is sent to Centroid, so that the institute that the Centroid is sent according to each described main transfer point
Energy efficiency of the serving cell of main transfer point in multiple cooperative multipoint transmission set of the main transfer point is stated, utilizes the 3rd
Algorithm, a cooperative multipoint transmission set is at least determined, the cooperative multipoint transmission set of the determination is sent to the determination
Cooperative multipoint transmission set corresponding to main transfer point；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
Based on the third aspect, in the first possible implementation, first computing module is specifically used for：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are described in
The reference signal receiving intensity of main transfer point and other transfer points, each candidate user devices are calculated respectively in the main biography
Handling capacity in multiple cooperative multipoint transmission set of defeated point；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Multiple coordinate multipoints of each candidate user devices in the main transfer point in the main transfer point are passed respectively
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in defeated set, is respectively obtained every in the main transfer point
Energy efficiency of the individual candidate user devices in multiple cooperative multipoint transmission set of the main transfer point.
Based on the possible implementation of the first of the third aspect and the third aspect, in second of possible implementation
In, second computing module is specifically used for：
The multiple associations of each candidate user devices in the main transfer point of the calculating in the main transfer point
Make the energy efficiency in multicast communication set, utilize formula：Respectively obtain the main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents appointing in multiple cooperative multipoint transmission set of the main transfer point
One cooperative multipoint transmission set, K1Multiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate uses
Any candidate user devices in the equipment of family,Represent energy dose-effects of the candidate user devices k in cooperative multipoint transmission set q
Rate, ωkRepresent weight factors of the candidate user devices k in the main transfer point.
Fourth aspect, the present invention provide a kind of cooperative multipoint transmission Resource selection device, positioned at Centroid side, are applied to
In scene when cell cluster includes multiple transmission point, including：
Receiving module, the serving cell of the main transfer point sent for receiving each main transfer point respectively is described
Energy efficiency in multiple cooperative multipoint transmission set of main transfer point, the serving cell of the main transfer point is in the main transmission
Energy efficiency in multiple cooperative multipoint transmission set of point is each time of the main transfer point in the main transfer point
The candidate user devices that user equipment is sent respectively are selected to be received to the reference signal of the main transfer point and other transfer points
Intensity, using the first algorithm, each candidate user devices in the main transfer point are calculated respectively in the more of the main transfer point
Energy efficiency in individual cooperative multipoint transmission set；According to each candidate user devices in the main transfer point of the calculating
Energy efficiency in multiple cooperative multipoint transmission set of the main transfer point, using the second algorithm, is calculated institute respectively
State energy efficiency of the serving cell of main transfer point in multiple cooperative multipoint transmission set of the main transfer point；
3rd computing module, the serving cell of the main transfer point for being sent according to each described main transfer point exist
Energy efficiency in multiple cooperative multipoint transmission set of the main transfer point, using third algorithm, at least determine a cooperation
Multicast communication set；
Sending module, for the cooperative multipoint transmission set of the determination to be sent to the cooperative multipoint transmission of the determination
Main transfer point corresponding to set；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
Based on fourth aspect, in the first possible implementation, the 3rd computing module is specifically used for：
Multiple associations of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Make the energy efficiency in multicast communication set, utilize system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more
Cooperative multipoint transmission set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents that multiple coordinate multipoints of the main transfer point n pass
Any cooperative multipoint transmission set in defeated set；Represent energy of the main transfer point n in cooperative multipoint transmission set q
Efficiency；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping is indicated whether
Allow same transfer point while belong to different cooperative multipoint transmission set progress cooperation transmissions；NcRepresent multiple transmission point,
The multiple transfer point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
5th aspect, the present invention provide a kind of cooperative multipoint transmission Resource selection system, included applied to when cell cluster
In scene during multiple transmission point, including：Multiple transmission point and Centroid；
Any transfer point in the multiple transfer point includes the cooperative multipoint transmission Resource selection dress described in the third aspect
Put；
The Centroid includes the cooperative multipoint transmission Resource selection device described in fourth aspect.
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
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 required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the application scenarios schematic diagram for the cooperative multipoint transmission set option method that various embodiments of the present invention provide；
Fig. 2 is the schematic flow sheet for the cooperative multipoint transmission set option method that one embodiment of the invention provides；
Fig. 3 is the system architecture diagram of cooperative multipoint transmission set option method provided in an embodiment of the present invention application；
Fig. 4 is the schematic flow sheet for the cooperative multipoint transmission set option method that another embodiment of the present invention provides；
Fig. 5 is the structural representation for the cooperative multipoint transmission Resource selection device that another embodiment of the present invention provides；
Fig. 6 is the structural representation for the transfer point that another embodiment of the present invention provides；
Fig. 7 is the structural representation for the cooperative multipoint transmission Resource selection device that another embodiment of the present invention provides；
Fig. 8 is the structural representation for the Centroid that another embodiment of the present invention provides；
Fig. 9 is the structural representation for the cooperative multipoint transmission Resource selection system that another embodiment of the present invention provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The following embodiment of the present invention is applied in the scene when cell cluster includes multiple transmission point, and Fig. 1 is this hair
The application scenarios schematic diagram for the cooperative multipoint transmission set option method that bright each embodiment provides, as shown in Figure 1, it is assumed that cell cluster
By 7 adjacent base stations（English：ENodeB, abbreviation eNB）Composition, each base station is by three transfer points（English：Transmission
Point, abbreviation TP）Form, totally 21 transfer points, each transmission point administer a serving cell in cell cluster；Transfer point or base
Connected between standing by X2 interface, information transfer can be carried out mutually, meanwhile, transfer point or base station pass through S1 interfaces and core net
Connection, core net is for example including mobility management entity（English：Mobility Management Entity, abbreviation MME）, clothes
Business gateway（English：Serving-Gateway, abbreviation S-GW）；In embodiments of the present invention, Centroid（English：Central
Unit, abbreviation CU）Positioned at core-network side, for dynamic select cooperative multipoint transmission set, the physical entity of Centroid can be with
Positioned at mobility management entity or gateway or an independent physical entity.
Fig. 2 is the schematic flow sheet for the cooperative multipoint transmission set option method that one embodiment of the invention provides, such as Fig. 2 institutes
Show, the cooperative multipoint transmission set option method of the present embodiment can include：
201st, described in each candidate user devices of each main transfer point in the main transfer point are sent respectively
Candidate user devices, using the first algorithm, are counted respectively to the reference signal receiving intensity of the main transfer point He other transfer points
Calculate energy of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in the main transfer point
Amount efficiency.
Wherein, any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the master
Each candidate user devices in transfer point are any user equipment in the serving cell of the main transfer point；The main transmission
The main transfer point is comprised at least respectively in multiple cooperative multipoint transmission set of point.
The system architecture diagram that Fig. 3 applies for cooperative multipoint transmission set option method provided in an embodiment of the present invention, such as Fig. 3
It is shown, it is assumed that in 21 shown in Fig. 1 in transfer point, selected TP-1 be main transfer point, TP-1 neighboring transmission point be TP-2,
TP-3, TP-4, TP-5, TP-6, TP-7, K is set in TP-1 serving cells1Individual candidate user devices, setting include TP-1's
Multiple cooperative multipoint transmission set, it is respectively { TP-1 }, { TP-1, TP-4 }, { TP-1, TP-5 } and { TP-1, TP-4, TP-5 }.
In an embodiment of the invention, step 101 includes：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are described in
The reference signal receiving intensity of main transfer point and other transfer points, each candidate user devices are calculated respectively in the main biography
Handling capacity in multiple cooperative multipoint transmission set of defeated point；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Multiple coordinate multipoints of each candidate user devices in the main transfer point in the main transfer point are passed respectively
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in defeated set, is respectively obtained every in the main transfer point
Energy efficiency of the individual candidate user devices in multiple cooperative multipoint transmission set of the main transfer point.
During specific implementation, with K1Illustrated exemplified by any user equipment k in individual candidate user devices：
First, the reference signal receiving intensity that user equipment k detects user equipment k to TP-1 is RSRPTP-1, user equipment
K to TP-4 reference signal receiving intensity is RSRPTP-4, user equipment k to TP-5 reference signal receiving intensity is RSRPTP-5,
Afterwards, user equipment k is respectively by RSRPTP-1、RSRPTP-4、RSRPTP-5It is sent to TP-1；
Secondly, TP-1 calculates user equipment k in { TP-1 }, { TP-1, TP-4 }, { TP-1, TP- respectively using shannon formula
5 } and { TP-1, TP-4, TP-5 } set in handling capacity, it is assumed that set with cooperative multipoint transmission set { TP-1, TP-4 } for user
During standby k services, user equipment k is gathering handling capacity reachable in { TP-1, TP-4 }：
Wherein, the transfer point TP-1 or TP-4 of { TP-1, TP-4 } receiving power are gathered as available signal power, user
Equipment k send but not the receiving power of the transfer point TP-5 in { TP-1, TP-4 } is gathered as the interference to useful signal；
B represents system bandwidth, N0Represent noise power spectral density.
Again, TP-1 utilizes formula：Pq=Q (PBS+Psp)+Pbh, calculate cooperative multipoint transmission set { TP-1, TP-4 }
Total power consumption, wherein, Q be cooperative multipoint transmission set { TP-1, TP-4 } in number of base stations, PBS=P0+ΔpPTx
Wherein, Ptx<Ptx-maxThe transmit power of eating dishes without rice or wine of transfer point is represented,To be default related to transmit power of eating dishes without rice or wine big
In 0 parameter, P0Represent the transfer point static power unrelated with transmit power；QsRepresent to participate in two in cooperative multipoint transmission set
Backhaul number between individual transfer point, clinkThe maximum capacity of back haul link, c between expression two transmission pointsbhRepresent currently to need
The information capacity to be transmitted between two transmission points, PlinkC is transmitted in backhaul between representing two transmission pointslinkDuring information capacity
Power consumption；pspRepresent the basic power consumption number of signaling processing（Constant）, αcsiAnd αmimoFor scale factor（Constant）, QcsiRepresent cooperation
Participate in collecting the number of base stations of channel condition information, Q in multicast communication setmimoRepresent to participate in connection in cooperative multipoint transmission set
Close the CoMP algorithms of transmission（English：Joint-Transmission CoMP, abbreviation JT-CoMP）Number of base stations.
Finally, it is handling capacity reachable in cooperative multipoint transmission set { TP-1, TP-4 } user equipment k divided by cooperation is more
The total power consumption of point transmission set { TP-1, TP-4 }, obtains user equipment k energy in cooperative multipoint transmission set { TP-1, TP-4 }
Amount efficiency
Similarly, K can be obtained1Each user equipment in individual candidate user devices is respectively in { TP-1 }, { TP-1, TP-
4 }, the energy efficiency in each cooperative multipoint transmission set in { TP-1, TP-5 } and { TP-1, TP-4, TP-5 }.
202nd, each described main transfer point is according to each candidate user devices in the main transfer point of the calculating
Energy efficiency in multiple cooperative multipoint transmission set of the main transfer point, using the second algorithm, is calculated institute respectively
State energy efficiency of the serving cell of main transfer point in multiple cooperative multipoint transmission set of the main transfer point.
In an embodiment of the invention, step 102 includes：
The multiple associations of each candidate user devices in the main transfer point of the calculating in the main transfer point
Make the energy efficiency in multicast communication set, utilize formula：Respectively obtain the main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents appointing in multiple cooperative multipoint transmission set of the main transfer point
One cooperative multipoint transmission set, K1Multiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate uses
Any candidate user devices in the equipment of family,Represent energy dose-effects of the candidate user devices k in cooperative multipoint transmission set q
Rate, ω k represent weight factors of the candidate user devices k in the main transfer point.
During specific implementation, as shown in figure 3, can be by the K in TP-11Individual candidate user devices are respectively in { TP-1 }, { TP-
1st, TP-4 }, the energy efficiency in { TP-1, TP-5 } and { TP-1, TP-4, TP-5 } take weighted average, i.e.,TP-1 serving cells are obtained respectively in { TP-1 }, { TP-1, TP-4 }, { TP-
1st, TP-5 } and { TP-1, TP-4, TP-5 } in energy efficiency.
203rd, each described main transfer point by the serving cell of the main transfer point the main transfer point multiple associations
The energy efficiency made in multicast communication set is sent to Centroid, so that the Centroid is according to each described main transmission
Energy dose-effect of the serving cell for the main transfer point that point is sent in multiple cooperative multipoint transmission set of the main transfer point
Rate, using third algorithm, a cooperative multipoint transmission set is at least determined, the cooperative multipoint transmission set of the determination is sent
To main transfer point corresponding to the cooperative multipoint transmission set of the determination.
During specific implementation, by S1 interfaces, by the serving cell of the main transfer point the main transfer point multiple associations
The energy efficiency made in multicast communication set is sent to Centroid.
The serving cell for the main transfer point that Centroid is sent according to each described main transfer point is in institute
The energy efficiency in multiple cooperative multipoint transmission set of main transfer point is stated, utilizes system energy efficiency formula：Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more
Cooperative multipoint transmission set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents that multiple coordinate multipoints of the main transfer point n pass
Any cooperative multipoint transmission set in defeated set；Represent energy of the main transfer point n in cooperative multipoint transmission set q
Efficiency；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping is indicated whether
Allow same transfer point while belong to different cooperative multipoint transmission set progress cooperation transmissions；NcRepresent multiple transmission point,
The multiple transfer point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
Fig. 4 is the schematic flow sheet for the cooperative multipoint transmission set option method that another embodiment of the present invention provides；Such as Fig. 4
It is shown, including：
401st, Centroid receives the serving cell for the main transfer point that each main transfer point is sent described respectively
Energy efficiency in multiple cooperative multipoint transmission set of main transfer point.
During specific implementation, Centroid receives the main transfer point of each main transfer point transmission by S1 interfaces respectively
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point.
Wherein, energy of the serving cell of the main transfer point in multiple cooperative multipoint transmission set of the main transfer point
Amount efficiency is that the candidate that each candidate user devices of the main transfer point in the main transfer point are sent respectively uses
Family equipment to the main transfer point He other transfer points reference signal receiving intensity, using the first algorithm, calculate respectively described in
Energy efficiency of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in main transfer point；
Each candidate user devices in the main transfer point of the calculating pass in multiple coordinate multipoints of the main transfer point
Energy efficiency in defeated set, using the second algorithm, the serving cell of the main transfer point is calculated respectively in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point；Detailed content refers to the associated description in embodiment illustrated in fig. 1,
Repeat no more.
Wherein, any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the master
Each candidate user devices in transfer point are any user equipment in the serving cell of the main transfer point；The main transmission
The main transfer point is comprised at least respectively in multiple cooperative multipoint transmission set of point.
402nd, the serving cell of the main transfer point sent according to each described main transfer point is in the main transfer point
Multiple cooperative multipoint transmission set in energy efficiency, utilize third algorithm, at least determine a cooperative multipoint transmission set.
In one embodiment of the invention, step 402 includes：
Multiple associations of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Make the energy efficiency in multicast communication set, utilize system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；, can be by the serving cell of the main transfer point in the main transmission during specific implementation
Energy efficiency in multiple cooperative multipoint transmission set of point takes average weighted maximum, and the cell cluster is calculated is
System efficiency, i.e.,：
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more
Cooperative multipoint transmission set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；During specific implementation, such as can be with
One system energy efficiency threshold value is set, the system energy efficiency of the above-mentioned cell cluster being calculated is more than to the system energy efficiency thresholding set
During value, the system energy efficiency for determining the cell cluster is optimal, meanwhile, the system energy efficiency of the cell cluster is corresponding one when optimal
Or multiple cooperative multipoint transmission set are defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n, weight factor is representing transfer point institute serving cell ginseng
With the priority of cooperative multipoint transmission；
Q represents any cooperative multipoint transmission set in multiple cooperative multipoint transmission set of the main transfer point n；Table
Show energy efficiencies of the main transfer point n in cooperative multipoint transmission set q；
Backhaul represents the Centroid to the backhaul resources information of the main transfer point, to have indicated whether foot
Enough backhaul resources are available for cooperative multipoint transmission to use, and can represent that no enough backhaul resources are available for making with value 0 and 1,0
With 1 indicates that enough backhaul resources are available；
Overlapping is indicated whether to allow same transfer point while is belonged to different cooperative multipoint transmission set progress
Cooperation transmission, it can represent not allowing same transfer point while belong to different cooperative multipoint transmission set to enter with value 0 and 1,0
Row cooperation transmission, 1 represents that allowing same transfer point to belong to different cooperative multipoint transmission set simultaneously carries out cooperation transmission；
NcMultiple transmission point is represented, the multiple transfer point includes the main transfer point, n ∈ Nc；
MnMultiple cooperative multipoint transmission set of the main transfer point n are represented, in the multiple cooperative multipoint transmission set
Including cooperative multipoint transmission set q, the q ∈ Mn。
The 403rd, cooperative multipoint transmission set that the cooperative multipoint transmission set of the determination is sent to the determination is corresponding
Main transfer point.
During specific implementation, the cooperative multipoint transmission set of the determination is sent to described true by Centroid by S1 interfaces
Main transfer point corresponding to fixed cooperative multipoint transmission set.
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
Fig. 5 is the structural representation for the cooperative multipoint transmission Resource selection device that another embodiment of the present invention provides；It is located at
Transfer point side, when the transfer point is main transfer point, as shown in figure 5, described device includes：
First computing module 51, send respectively for each candidate user devices in the main transfer point described in
Candidate user devices, using the first algorithm, are counted respectively to the reference signal receiving intensity of the main transfer point He other transfer points
Calculate energy of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in the main transfer point
Amount efficiency；
Second computing module 52, for each candidate user devices in the main transfer point according to the calculating in institute
The energy efficiency in multiple cooperative multipoint transmission set of main transfer point is stated, using the second algorithm, the master is calculated respectively
Energy efficiency of the serving cell of transfer point in multiple cooperative multipoint transmission set of the main transfer point；
Sending module 53, for multiple coordinate multipoints of the serving cell of the main transfer point in the main transfer point to be passed
Energy efficiency in defeated set is sent to Centroid, so that what the Centroid was sent according to each described main transfer point
Energy efficiency of the serving cell of the main transfer point in multiple cooperative multipoint transmission set of the main transfer point, utilize
Three algorithms, a cooperative multipoint transmission set is at least determined, the cooperative multipoint transmission set of the determination is sent to described true
Main transfer point corresponding to fixed cooperative multipoint transmission set；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
For example, the first computing module 51 is specifically used for：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are described in
The reference signal receiving intensity of main transfer point and other transfer points, each candidate user devices are calculated respectively in the main biography
Handling capacity in multiple cooperative multipoint transmission set of defeated point；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Multiple coordinate multipoints of each candidate user devices in the main transfer point in the main transfer point are passed respectively
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in defeated set, is respectively obtained every in the main transfer point
Energy efficiency of the individual candidate user devices in multiple cooperative multipoint transmission set of the main transfer point.
For example, the second computing module 52 is specifically used for：
The multiple associations of each candidate user devices in the main transfer point of the calculating in the main transfer point
Make the energy efficiency in multicast communication set, utilize formula：Respectively obtain the main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents appointing in multiple cooperative multipoint transmission set of the main transfer point
One cooperative multipoint transmission set, K1Multiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate uses
Any candidate user devices in the equipment of family,Represent energy dose-effects of the candidate user devices k in cooperative multipoint transmission set q
Rate, ωkRepresent weight factors of the candidate user devices k in the main transfer point.
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
Fig. 6 is the structural representation for the transfer point that another embodiment of the present invention provides；As shown in fig. 6, the transfer point bag
Processor, memory and communication bus are included, the processor is connected by communication bus with the memory, in the memory
Preserve the instruction for realizing cooperative multipoint transmission set option method；Further, the transfer point also includes communication interface, leads to
Cross communication interface and other network element devices（Such as user equipment and Centroid）Communication connection.
, can be with when the processor of the transfer point transfers the instruction in memory when the transfer point is main transfer point
Perform following steps：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are described in
The reference signal receiving intensity of main transfer point and other transfer points, using the first algorithm, is calculated in the main transfer point respectively
Each energy efficiency of the candidate user devices in multiple cooperative multipoint transmission set of the main transfer point；
The multiple associations of each candidate user devices in the main transfer point of the calculating in the main transfer point
Make the energy efficiency in multicast communication set, using the second algorithm, the serving cell that the main transfer point is calculated respectively exists
Energy efficiency in multiple cooperative multipoint transmission set of the main transfer point；
By energy of the serving cell of the main transfer point in multiple cooperative multipoint transmission set of the main transfer point
Efficiency is sent to Centroid, so that the main transfer point that the Centroid is sent according to each described main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point, using third algorithm, at least really
A fixed cooperative multipoint transmission set, the coordinate multipoint that the cooperative multipoint transmission set of the determination is sent to the determination pass
Main transfer point corresponding to defeated set；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
In the first implementation, each candidate user of each the described main transfer point in the main transfer point
The candidate user devices that equipment is sent respectively to the main transfer point He other transfer points reference signal receiving intensity, profit
With the first algorithm, each candidate user devices calculated respectively in the main transfer point are more in multiple cooperations of the main transfer point
Energy efficiency in point transmission set, including：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are described in
The reference signal receiving intensity of main transfer point and other transfer points, each candidate user devices are calculated respectively in the main biography
Handling capacity in multiple cooperative multipoint transmission set of defeated point；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Multiple coordinate multipoints of each candidate user devices in the main transfer point in the main transfer point are passed respectively
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in defeated set, is respectively obtained every in the main transfer point
Energy efficiency of the individual candidate user devices in multiple cooperative multipoint transmission set of the main transfer point.
In second of implementation, each described main transfer point is according to every in the main transfer point of the calculating
Energy efficiency of the individual candidate user devices in multiple cooperative multipoint transmission set of the main transfer point, using the second algorithm,
Energy of the serving cell of the main transfer point in multiple cooperative multipoint transmission set of the main transfer point is calculated respectively
Amount efficiency, including：
The multiple associations of each candidate user devices in the main transfer point of the calculating in the main transfer point
Make the energy efficiency in multicast communication set, utilize formula：Respectively obtain the main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents appointing in multiple cooperative multipoint transmission set of the main transfer point
One cooperative multipoint transmission set, K1Multiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate uses
Any candidate user devices in the equipment of family,Represent energy dose-effects of the candidate user devices k in cooperative multipoint transmission set q
Rate, ωkRepresent weight factors of the candidate user devices k in the main transfer point.
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
Fig. 7 is the structural representation for the cooperative multipoint transmission Resource selection device that another embodiment of the present invention provides；It is located at
Centroid side, as shown in fig. 7, comprises：
Receiving module 71, the serving cell of the main transfer point sent for receiving each main transfer point respectively is in institute
The energy efficiency in multiple cooperative multipoint transmission set of main transfer point is stated, the serving cell of the main transfer point is in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point is each in the main transfer point for the main transfer point
The reference signal of the candidate user devices that candidate user devices are sent respectively to the main transfer point and other transfer points connects
Intensity is received, using the first algorithm, calculates each candidate user devices in the main transfer point respectively in the main transfer point
Energy efficiency in multiple cooperative multipoint transmission set；Each candidate user in the main transfer point of the calculating is set
The standby energy efficiency in multiple cooperative multipoint transmission set of the main transfer point, using the second algorithm, it is calculated respectively
Energy efficiency of the serving cell of the main transfer point in multiple cooperative multipoint transmission set of the main transfer point；
3rd computing module 72, for the serving cell of the main transfer point sent according to each described main transfer point
Energy efficiency in multiple cooperative multipoint transmission set of the main transfer point, using third algorithm, at least determine an association
Make multicast communication set；
Sending module 73, the coordinate multipoint for the cooperative multipoint transmission set of the determination to be sent to the determination pass
Main transfer point corresponding to defeated set；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
For example, the 3rd computing module 72 is specifically used for：
Multiple associations of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Make the energy efficiency in multicast communication set, utilize system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more
Cooperative multipoint transmission set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents that multiple coordinate multipoints of the main transfer point n pass
Any cooperative multipoint transmission set in defeated set；Represent energy of the main transfer point n in cooperative multipoint transmission set q
Efficiency；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping is indicated whether
Allow same transfer point while belong to different cooperative multipoint transmission set progress cooperation transmissions；NcRepresent multiple transmission point,
The multiple transfer point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
Fig. 8 is the structural representation for the Centroid that another embodiment of the present invention provides；As shown in figure 8, the centromere
Point includes processor, memory and communication bus, and the processor is connected by communication bus with the memory, the storage
The instruction for realizing cooperative multipoint transmission set option method is preserved in device；Further, the Centroid also includes communication
Interface, pass through communication interface and other network element devices（Such as main transfer point）Communication connection.
When processor transfers the instruction in memory, following steps can be performed：
The serving cell for the main transfer point that each main transfer point is sent is received respectively in the more of the main transfer point
Energy efficiency in individual cooperative multipoint transmission set, the multiple cooperations of the serving cell of the main transfer point in the main transfer point
Energy efficiency in multicast communication set is the main transfer point each candidate user devices in the main transfer point point
The candidate user devices not sent utilize first to the reference signal receiving intensity of the main transfer point He other transfer points
Algorithm, multiple cooperative multipoint transmissions of each candidate user devices in the main transfer point in the main transfer point are calculated respectively
Energy efficiency in set；Each candidate user devices in the main transfer point of the calculating are in the main transfer point
Multiple cooperative multipoint transmission set in energy efficiency, using the second algorithm, the clothes of the main transfer point are calculated respectively
Energy efficiency of the cell of being engaged in multiple cooperative multipoint transmission set of the main transfer point；
The serving cell of the main transfer point sent according to each described main transfer point is in the more of the main transfer point
Energy efficiency in individual cooperative multipoint transmission set, using third algorithm, at least determine a cooperative multipoint transmission set；
The cooperative multipoint transmission set of the determination is sent to main corresponding to the cooperative multipoint transmission set of the determination
Transfer point；
Any transfer point in the multiple transmission point that the main transfer point includes for the cell cluster, the main transfer point
In each candidate user devices for the main transfer point serving cell in any user equipment；The main transfer point it is more
The main transfer point is comprised at least in individual cooperative multipoint transmission set respectively.
In the first implementation, the service for the main transfer point that each main transfer point described in the basis is sent
Energy efficiency of the cell in multiple cooperative multipoint transmission set of the main transfer point, using third algorithm, at least determines one
Individual cooperative multipoint transmission set, including：
Multiple cooperations of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Energy efficiency in multicast communication set, utilize system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more
Cooperative multipoint transmission set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents that multiple coordinate multipoints of the main transfer point n pass
Any cooperative multipoint transmission set in defeated set；Represent energy of the main transfer point n in cooperative multipoint transmission set q
Efficiency；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping is indicated whether
Allow same transfer point while belong to different cooperative multipoint transmission set progress cooperation transmissions；NcRepresent multiple transmission point,
The multiple transfer point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
In the embodiment of the present invention, each candidate user devices in each main transfer point is calculated are in the main transfer point
During energy efficiency in multiple cooperative multipoint transmission set, the candidate user that each candidate user devices are sent is considered not only
Reference signal receiving intensity of the equipment to the main transfer point He other transfer points, it is also contemplated that multiple cooperations of the main transfer point are more
The total power consumption of each cooperative multipoint transmission set in point transmission set, that is, consider to make caused by multicast communication set additionally
Influence of the energy consumption to systematic function, therefore, the embodiment of the present invention are improving throughput of system, improve the same of system spectral efficiency
When, high system energy efficiency can be realized.
Fig. 9 is the structural representation for the cooperative multipoint transmission Resource selection system that another embodiment of the present invention provides.Such as Fig. 9
It is shown, including multiple transmission point 91 and Centroid 92；
Wherein, Centroid 92 includes the cooperative multipoint transmission Resource selection device described in embodiment illustrated in fig. 7, tool
Hold the associated description in the cooperative multipoint transmission Resource selection device referred to described in embodiment illustrated in fig. 7 in vivo, repeat no more.
When any transfer point in multiple transmission point 91 is main transfer point, including the cooperation described in embodiment illustrated in fig. 5
Multicast communication Resource selection device, particular content refer to the cooperative multipoint transmission Resource selection dress described in embodiment illustrated in fig. 5
Associated description in putting, is repeated no more.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit realized in the form of SFU software functional unit, one can be stored in the form of code and is counted
In calculation machine read/write memory medium.Above-mentioned code is stored in a computer-readable recording medium, including some instructions to
Processor or hardware circuit is set to perform the part or all of step of each embodiment methods described of the present invention.And foregoing storage is situated between
Matter includes：USB without the miniature high power capacity mobile storage disc of phisical drive, mobile hard disk, read-only deposit
Reservoir（English：Read-Only Memory, abbreviation ROM）, random access memory（English：Random Access Memory,
Abbreviation RAM）, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modifications or replacement, the essence of appropriate technical solution is departed from the protection model of various embodiments of the present invention technical scheme
Enclose.
Claims (11)
1. a kind of cooperative multipoint transmission set option method, applied in the scene when cell cluster includes multiple transmission point,
It is characterised in that it includes：
The candidate user that each candidate user devices of each main transfer point in the main transfer point are sent respectively
Equipment, using the first algorithm, calculates the master respectively to the reference signal receiving intensity of the main transfer point He other transfer points
Energy efficiency of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in transfer point；
Each described main transfer point is according to each candidate user devices in the main transfer point of the calculating in the master
Energy efficiency in multiple cooperative multipoint transmission set of transfer point, using the second algorithm, the main transmission is calculated respectively
Energy efficiency of the serving cell of point in multiple cooperative multipoint transmission set of the main transfer point；
Each described main transfer point passes multiple coordinate multipoints of the serving cell of the main transfer point in the main transfer point
Energy efficiency in defeated set is sent to Centroid, so that what the Centroid was sent according to each described main transfer point
Energy efficiency of the serving cell of the main transfer point in multiple cooperative multipoint transmission set of the main transfer point, utilize
Three algorithms, a cooperative multipoint transmission set is at least determined, the cooperative multipoint transmission set of the determination is sent to described true
Main transfer point corresponding to fixed cooperative multipoint transmission set；
The main transfer point is any transfer point in the multiple transmission point that includes of the cell cluster, in the main transfer point
Each candidate user devices are any user equipment in the serving cell of the main transfer point；Multiple associations of the main transfer point
Make to comprise at least the main transfer point in multicast communication set respectively.
2. according to the method for claim 1, it is characterised in that each described main transfer point is according in the main transfer point
The candidate user devices that send respectively of each candidate user devices to the main transfer point and other transfer points reference
Signal receiving strength, using the first algorithm, each candidate user devices in the main transfer point are calculated respectively in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point, including：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are to the main biography
The reference signal receiving intensity of defeated point and other transfer points, each candidate user devices are calculated respectively in the main transfer point
Multiple cooperative multipoint transmission set in handling capacity；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Respectively by each candidate user devices in the main transfer point the main transfer point multiple cooperative multipoint transmission collection
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in conjunction, respectively obtains each time in the main transfer point
Select energy efficiency of the user equipment in multiple cooperative multipoint transmission set of the main transfer point.
3. method according to claim 1 or 2, it is characterised in that each described main transfer point is according to the calculating
Energy of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in the main transfer point
Efficiency, using the second algorithm, multiple cooperations of the serving cell in the main transfer point of the main transfer point are calculated respectively
Energy efficiency in multicast communication set, including：
Each candidate user devices in the main transfer point of the calculating are more in multiple cooperations of the main transfer point
Energy efficiency in point transmission set, utilizes formula：Respectively obtain the clothes of the main transfer point
Energy efficiency of the cell of being engaged in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents any association in multiple cooperative multipoint transmission set of the main transfer point
Make multicast communication set, KnMultiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate user is set
Any candidate user devices in standby,Represent energy efficiencies of the candidate user devices k in cooperative multipoint transmission set q, ωk
Represent weight factors of the candidate user devices k in the main transfer point.
4. a kind of cooperative multipoint transmission set option method, applied in the scene when cell cluster includes multiple transmission point,
It is characterised in that it includes：
Centroid receives the serving cell for the main transfer point that each main transfer point is sent in the main transfer point respectively
Multiple cooperative multipoint transmission set in energy efficiency, the serving cell of the main transfer point is in the multiple of the main transfer point
Energy efficiency in cooperative multipoint transmission set sets for each candidate user of the main transfer point in the main transfer point
The candidate user devices that back-up is not sent utilize to the reference signal receiving intensity of the main transfer point He other transfer points
First algorithm, multiple coordinate multipoints of each candidate user devices in the main transfer point in the main transfer point are calculated respectively
Energy efficiency in transmission set；Each candidate user devices in the main transfer point of the calculating are in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point, using the second algorithm, the main transfer point is calculated respectively
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Multiple associations of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Make the energy efficiency in multicast communication set, using third algorithm, at least determine a cooperative multipoint transmission set；
The cooperative multipoint transmission set of the determination is sent to main transmission corresponding to the cooperative multipoint transmission set of the determination
Point；
The main transfer point is any transfer point in the multiple transmission point that includes of the cell cluster, in the main transfer point
Each candidate user devices are any user equipment in the serving cell of the main transfer point；Multiple associations of the main transfer point
Make to comprise at least the main transfer point in multicast communication set respectively.
5. according to the method for claim 4, it is characterised in that each main transfer point is sent described described in the basis
Energy efficiency of the serving cell of main transfer point in multiple cooperative multipoint transmission set of the main transfer point, utilizes the three ways of calculating
Method, a cooperative multipoint transmission set is at least determined, including：
Multiple coordinate multipoints of the serving cell of the main transfer point sent according to each described main transfer point in the main transfer point
Energy efficiency in transmission set, utilizes system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more cooperate
Multicast communication set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents multiple cooperative multipoint transmission collection of the main transfer point n
Any cooperative multipoint transmission set in conjunction；Represent energy dose-effects of the main transfer point n in cooperative multipoint transmission set q
Rate；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping indicates whether to permit
Perhaps the cooperative multipoint transmission set that same transfer point belongs to different simultaneously carries out cooperation transmission；NcRepresent multiple transmission point, institute
Stating multiple transmission point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
6. a kind of cooperative multipoint transmission Resource selection device, positioned at transfer point side, include multiple transmission applied to when cell cluster
In scene during point, it is characterised in that when the transfer point is main transfer point, described device includes：
First computing module, used for the candidate that each candidate user devices in the main transfer point are sent respectively
Family equipment to the main transfer point He other transfer points reference signal receiving intensity, using the first algorithm, calculate respectively described in
Energy efficiency of each candidate user devices in multiple cooperative multipoint transmission set of the main transfer point in main transfer point；
Second computing module, for each candidate user devices in the main transfer point according to the calculating in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point, using the second algorithm, the main transfer point is calculated respectively
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point；
Sending module, for by the serving cell of the main transfer point the main transfer point multiple cooperative multipoint transmission set
In energy efficiency be sent to Centroid so that the main transmission that the Centroid is sent according to each main transfer point
Energy efficiency of the serving cell in multiple cooperative multipoint transmission set of the main transfer point of point, using third algorithm, extremely
One cooperative multipoint transmission set of determination, the cooperation that the cooperative multipoint transmission set of the determination is sent to the determination are more less
Main transfer point corresponding to point transmission set；
The main transfer point is any transfer point in the multiple transmission point that includes of the cell cluster, in the main transfer point
Each candidate user devices are any user equipment in the serving cell of the main transfer point；Multiple associations of the main transfer point
Make to comprise at least the main transfer point in multicast communication set respectively.
7. device according to claim 6, it is characterised in that first computing module is specifically used for：
The candidate user devices that each candidate user devices in the main transfer point are sent respectively are to the main biography
The reference signal receiving intensity of defeated point and other transfer points, each candidate user devices are calculated respectively in the main transfer point
Multiple cooperative multipoint transmission set in handling capacity；
The total power consumption of multiple cooperative multipoint transmission set of the main transfer point is calculated respectively；
Respectively by each candidate user devices in the main transfer point the main transfer point multiple cooperative multipoint transmission collection
The total power consumption of handling capacity divided by corresponding cooperative multipoint transmission set in conjunction, respectively obtains each time in the main transfer point
Select energy efficiency of the user equipment in multiple cooperative multipoint transmission set of the main transfer point.
8. the device according to claim 6 or 7, it is characterised in that second computing module is specifically used for：
Each candidate user devices in the main transfer point of the calculating are more in multiple cooperations of the main transfer point
Energy efficiency in point transmission set, utilizes formula：Respectively obtain the clothes of the main transfer point
Energy efficiency of the cell of being engaged in multiple cooperative multipoint transmission set of the main transfer point；
Wherein, n represents the main transfer point, and q represents any association in multiple cooperative multipoint transmission set of the main transfer point
Make multicast communication set, KnMultiple candidate user devices in the main transfer point are represented, k represents that the multiple candidate user is set
Any candidate user devices in standby,Represent energy efficiencies of the candidate user devices k in cooperative multipoint transmission set q, ωk
Represent weight factors of the candidate user devices k in the main transfer point.
9. a kind of cooperative multipoint transmission Resource selection device, positioned at Centroid side, include multiple biographies applied to when cell cluster
In scene at defeated, it is characterised in that including：
Receiving module, the serving cell of the main transfer point sent for receiving each main transfer point respectively is in the main biography
Energy efficiency in multiple cooperative multipoint transmission set of defeated point, the serving cell of the main transfer point is in the main transfer point
Energy efficiency in multiple cooperative multipoint transmission set is that each candidate of the main transfer point in the main transfer point uses
The candidate user devices that family equipment is sent respectively to the main transfer point He other transfer points reference signal receiving intensity,
Using the first algorithm, multiple cooperations of each candidate user devices in the main transfer point in the main transfer point are calculated respectively
Energy efficiency in multicast communication set；Each candidate user devices in the main transfer point of the calculating are described
Energy efficiency in multiple cooperative multipoint transmission set of main transfer point, using the second algorithm, the main biography is calculated respectively
Energy efficiency of the serving cell of defeated point in multiple cooperative multipoint transmission set of the main transfer point；
3rd computing module, the serving cell for the main transfer point according to each main transfer point transmission is described
Energy efficiency in multiple cooperative multipoint transmission set of main transfer point, using third algorithm, at least determine a coordinate multipoint
Transmission set；
Sending module, for the cooperative multipoint transmission set of the determination to be sent to the cooperative multipoint transmission set of the determination
Corresponding main transfer point；
The main transfer point is any transfer point in the multiple transmission point that includes of the cell cluster, in the main transfer point
Each candidate user devices are any user equipment in the serving cell of the main transfer point；Multiple associations of the main transfer point
Make to comprise at least the main transfer point in multicast communication set respectively.
10. device according to claim 9, it is characterised in that the 3rd computing module is specifically used for：
The serving cell of the main transfer point sent according to each described main transfer point is more in multiple cooperations of the main transfer point
Energy efficiency in point transmission set, utilizes system energy efficiency formula：
Calculate the system energy efficiency of the cell cluster；
According to the system energy efficiency of the cell cluster, by the system energy efficiency of the cell cluster it is optimal when corresponding one or more cooperate
Multicast communication set is defined as carrying out the set of cooperative multipoint transmission in the cell cluster；
Wherein, WnRepresent the weight factor of the main transfer point n；Q represents multiple cooperative multipoint transmission collection of the main transfer point n
Any cooperative multipoint transmission set in conjunction；Represent energy dose-effects of the main transfer point n in cooperative multipoint transmission set q
Rate；Backhaul represents the Centroid to the backhaul resources information of the main transfer point；Overlapping indicates whether to permit
Perhaps the cooperative multipoint transmission set that same transfer point belongs to different simultaneously carries out cooperation transmission；NcRepresent multiple transmission point, institute
Stating multiple transmission point includes the main transfer point, n ∈ Nc；MnRepresent multiple cooperative multipoint transmission collection of the main transfer point n
Close, the multiple cooperative multipoint transmission set includes cooperative multipoint transmission set q, the q ∈ Mn。
11. a kind of cooperative multipoint transmission Resource selection system, applied in the scene when cell cluster includes multiple transmission point,
It is characterised in that it includes：Multiple transmission point and Centroid；
Any transfer point in the multiple transfer point includes the cooperative multipoint transmission set as described in claim any one of 6-8
Selection device；
The Centroid includes the cooperative multipoint transmission Resource selection device as described in claim any one of 9-10.
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| CN104468056B (en) * | 2014-11-06 | 2017-12-08 | 中国科学院计算技术研究所 | The efficiency feedback method and device of CoMP technologies are directed in a kind of LTE A downlink systems |
| CN107124759B (en) * | 2016-02-25 | 2020-08-07 | 南京中兴新软件有限责任公司 | Method and equipment for selecting synchronous transmission node in virtual cell |
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