CN103905103B - Collaboration method, network and user terminal - Google Patents

Collaboration method, network and user terminal Download PDF

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CN103905103B
CN103905103B CN201210579093.9A CN201210579093A CN103905103B CN 103905103 B CN103905103 B CN 103905103B CN 201210579093 A CN201210579093 A CN 201210579093A CN 103905103 B CN103905103 B CN 103905103B
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cooperation
point
subset
user terminal
collaboration
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CN103905103A (en
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张佳胤
张磊
杨绍拉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The present embodiments relate to a kind of collaboration method, network and user terminal, this method includes:The measurement result information that user terminal is sent is received, the collaboration set centered on user terminal is determined according to measurement result information;Cooperation point in collaboration set is classified, a cooperation subset is formed per a kind of cooperation point;It is determined that each corresponding collaboration mode of cooperation subset, and using the cooperation state of the cooperation point in the corresponding collaboration mode control cooperation subset of each cooperation subset, so as to be subscriber terminal service.Therefore, the present invention realizes is divided into multiple different cooperation subsets by collaboration set, for the plurality of different cooperation subset using the cooperation point in different collaboration mode control cooperation subsets, the interference between different collaboration sets is so not only reduced, also improves cooperation robustness of the algorithm to CSI feedback error and the flexible cooperation under the conditions of back haul link is mixed.

Description

Collaboration method, network and user terminal
Technical field
The present invention relates to communication technical field, more particularly to a kind of collaboration method, network and user terminal.
Background technology
With the development of the communication technology, in Long Term Evolution (Long Term Evolution, LTE) system, although cell Interior interference is effectively suppressed, but the interference of minizone is still present, while with the increase of number of users, the number of cell Amount is also continuously increased and the radius of cell reduces so that the interference effect of minizone is increasing, particularly cell edge The handling capacity of user.
Multipoint cooperative (Coordinated Multiple Point, CoMP) is advanced Long Term Evolution (LongTerm Evolution Advanced, LTE-A) in a kind of crucial cooperation technology, by suppressing neighbor cell interference, with reach improve The network coverage, cell is averaged and edge throughput.The technology by between different districts share information (including channel status believe Breath, the schedule information of cell, user data information etc.), realize the cooperation of multiple adjacent cells.Wherein, CoMP is cooperated Basis is the feedback of channel condition information (Channel State Information, CSI), and base station is targeted customer's collaboration set In each transmitting node distribute single channel state information reference signals (Channel StateInformation Reference Signal, CSI-RS) resource information.User measures the channel from each launch point according to the CSI-RS of configuration Information.After the information that user terminal (User Equipment, UE) is measured, quantification treatment, conversion are carried out to channel information Into CSI feedback of the information to base station, this is the principal mode of current CSI feedback.
At present, heterogeneous network (Heterogeneous Network, HetNet) is the networking under same frequency, including macro base station Macro and micro-base station pico.Inter-Cell Interference Coordination (the Enhanced Inter-Cell of enhancing are introduced in R10 Interference Coordination, eICIC) technology, and in eICIC, the mode for adding time domain carrys out coordinates interference. In HetNet eICIC, in order to coordinate interference of the macro base station macro for micro-base station pico user, almost blank is employed Subframe (Almost BlankSubframe, ABS) technology.The technical principle is:The meeting semi-static cycle in Macro subframe Some ABS subframes of the configuration of property, Macro downlink transmission power and liveness can be reduced in these subframes.
But under existing collaboration mode, generally lead to for all cooperation points only with a kind of CoMP patterns, such case CoMP application can be often limited, while there are still to the interference of user, the error of CSI feedback, collaboration set outside collaboration set Interference to targeted customer;When a variety of back haul link backhaul mixed deployment in HetNet be present, by The limitation of backhaul capacity and time delay, the signal transmission rate between them is different, is needed when cooperation point is selected This existing species diversity between consideration cooperation point, so being not that all cells in the range of some can serve as an association Make the cooperation point in collecting, so as to have impact on the scope for participating in cooperation point, these problems do not obtain very under existing conditions Good solution.
The content of the invention
The invention provides a kind of collaboration method, network and user terminal, to solve in the prior art for all cooperations Generally only with a kind of CoMP patterns, the user terminal outside to collaboration set be present has interference and exists in heterogeneous network point During back haul link mixed deployment, the problem of selection to collaboration set can also be limited by the capacity and time delay of back haul link, also significantly Reduce the interference between different collaboration sets.
In a first aspect, the invention provides a kind of collaboration method, methods described includes:Receive the survey that user terminal is sent Object information is measured, the collaboration set centered on user terminal is determined according to the measurement result information;To in the collaboration set Cooperation point is classified, and a cooperation subset is formed per a kind of cooperation point;It is determined that the corresponding collaboration mode of subset that each cooperates, And the cooperation state of the cooperation point in the cooperation subset is controlled using the corresponding collaboration mode of each cooperation subset, from And it is the subscriber terminal service.
In the first possible implementation, the measurement result information for receiving user terminal and sending, according to described Measurement result information determines the collaboration set centered on user terminal, including:Receive the user terminal transmission carries association Make the measurement result information of collection information, the collaboration set according to determining the collaboration set information centered on user terminal.
In second of possible implementation, the choosing receives the measurement result information that user terminal is sent, according to institute Collaboration set of the measurement result information determination centered on user terminal is stated, including:Receive the user terminal and send monitoring reference Signal, by measure it is described monitoring reference signal obtain RRM RRM metrical informations, it is determined that it is described using user terminal as The collaboration set at center.
With reference to first aspect or combine first aspect the first possible implementation or with reference to first aspect Second of possible implementation, in the third possible implementation, the cooperation in the collaboration set clicks through Row classification, a cooperation subset is formed per a kind of cooperation point, including:According to the characteristics of each cooperation point in the collaboration set, The collaboration set is divided into multiple cooperation subsets.
In second aspect, the invention provides a kind of collaboration method, methods described includes:To all launch points in network Measure, measurement result information is sent to the network, and determine the collaboration set centered on user terminal;To with user The cooperation point in collaboration set centered on terminal is classified, and a cooperation subset is formed per a kind of cooperation point;Measurement obtain with The corresponding feedback information of the cooperation subset, and the feedback information is sent to the network, to the network according to The feedback information uses the collaboration mode corresponding with the cooperation subset as the subscriber terminal service.
In the first possible implementation, all launch points in network measure, by measurement result Information is sent to the network, and determines the collaboration set centered on user terminal, including:To each transmitting in the network Point carries out RRM RRM measurements, and the Reference Signal Received Power of each launch point is obtained after the RRM measurements RSRP values;Maximum RSRP values are chosen from the RSRP values of each launch point, and calculate the RSRP values of each launch point With the difference of the maximum RSRP values;By the difference of each launch point compared with default threshold value, when the hair When the difference of exit point is less than the default threshold value, then the launch point is cooperation point, and all cooperation point compositions are described with user Collaboration set centered on terminal;The Reference Signal Received Power RSRP of selected part or whole launch points from the cooperation point Value or the collaboration set using centered on user terminal are sent to the network as measurement result information.
With reference to second aspect or the first possible implementation of combination second aspect, second of possible realization side In formula, the cooperation point in the collaboration set to centered on user terminal is classified, and an association is formed per a kind of cooperation point Make subset, including:According to the characteristics of each cooperation point in the collaboration set, the collaboration set is divided into multiple cooperation Collection.
In the third aspect, the invention provides a kind of network, the network includes:Receiving unit, for receiving user's end The measurement result information sent is held, the collaboration set centered on user terminal is determined according to the measurement result information, and will The collaboration set is transferred to taxon;Taxon, for receiving the collaboration set from the receiving unit, to the cooperation Cooperation point in collection is classified, and a cooperation subset is formed per a kind of cooperation point, so as to obtain classification results, and by described in Classification results are transferred to processing unit;Processing unit, for receiving the classification results from the taxon, it is determined that each association Make the corresponding collaboration mode of subset, and the cooperation subset is controlled using the corresponding collaboration mode of each cooperation subset The cooperation state of interior cooperation point, so as to be the subscriber terminal service.
In the first possible implementation, the receiving unit is used to receive carrying for the user terminal transmission The measurement result information of collaboration set information, the collaboration set according to determining the collaboration set information centered on user terminal.
In second of possible implementation, the receiving unit is used to receive the monitoring ginseng that the user terminal is sent Signal is examined, RRM metrical informations are obtained by measuring the monitoring reference signal, it is determined that the cooperation centered on user terminal Collection.
With reference to the third aspect or combine the third aspect the first possible implementation or with reference to the third aspect Second of possible implementation, in the third possible implementation, the taxon be used for according to the cooperation The characteristics of each cooperation point in collection, the collaboration set is divided into multiple cooperation subsets.
In fourth aspect, the invention provides a kind of user terminal, the terminal includes:Measuring unit, for network In all launch points measure, measurement result information is sent to the network, and is determined centered on user terminal Collaboration set, and the collaboration set centered on user terminal is transferred to the taxon;Taxon, for from institute State measuring unit and receive the collaboration set centered on user terminal, in the collaboration set centered on user terminal Cooperation point is classified, and a cooperation subset is formed per a kind of cooperation point.And the cooperation subset is transferred to transmitting element; Transmitting element, for receiving the cooperation subset from the taxon, measurement obtains corresponding with the cooperation subset anti- Feedforward information, and the feedback information is sent to the network, to the network according to the feedback information use with it is described The corresponding collaboration mode of the subset that cooperates is the subscriber terminal service.
In the first possible implementation, the measuring unit is used to carry out each launch point in the network RRM RRM is measured, and the Reference Signal Received Power RSRP values of each launch point are obtained after the RRM measurements; Choose maximum RSRP values from the RSRP values of each launch point, and calculate each RSRP values of launch point and it is described most The difference of big RSRP values;By the difference of each launch point compared with default threshold value, when the difference of the launch point When value is less than the default threshold value, then the launch point is cooperation point, described in all cooperation point compositions using user terminal in The collaboration set of the heart;Selected part either the Reference Signal Received Power RSRP values of whole launch points or institute from the cooperation point The collaboration set using centered on user terminal is stated to send to the network as measurement result information.
With reference to fourth aspect or the first possible implementation of combination fourth aspect, second of possible realization side In formula, the taxon is used to according to the characteristics of each cooperation point in the collaboration set, the collaboration set be divided into more Individual cooperation subset.
By application collaboration method disclosed by the invention, network and user terminal, by centered on user terminal Cooperation point in collaboration set is classified, and a cooperation subset is formed per a kind of cooperation point;It is determined that each cooperation subset is corresponding Collaboration mode, and utilize the cooperation of the cooperation point in the corresponding collaboration mode control cooperation subset of each cooperation subset State, it is achieved thereby that collaboration set is divided into multiple different cooperation subsets, used for the plurality of different cooperation subset Cooperation point in different collaboration mode control cooperation subsets, so not only reduces the interference between different collaboration sets, also carries High cooperation robustness of the algorithm to CSI feedback error and the flexible cooperation under the conditions of back haul link is mixed.
Brief description of the drawings
Fig. 1 is the flow chart for the collaboration method that the embodiment of the present invention one provides;
Fig. 2 is the schematic diagram of dividing subset in the collaboration method that the embodiment of the present invention two provides;
Fig. 3 is the schematic diagram of dividing subset in the collaboration method that the embodiment of the present invention three provides;
Fig. 4 is the flow chart for the collaboration method that the embodiment of the present invention four provides;
Fig. 5 is the schematic diagram for the network that the embodiment of the present invention five provides;
Fig. 6 is the schematic diagram for the user terminal that the embodiment of the present invention six 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.
Collaboration method, network and user terminal provided in an embodiment of the present invention, by the association centered on user terminal The cooperation point made in collecting is classified, and a cooperation subset is formed per a kind of cooperation point;Directly determine that each cooperation subset is relative The collaboration mode answered, or the corresponding collaboration mode of each cooperation subset, and profit are determined according to the feedback information of user terminal The cooperation state for the cooperation point in subset that cooperated with the corresponding collaboration mode control of each cooperation subset, it is achieved thereby that will association Make collection and be divided into multiple different cooperation subsets, association is controlled using different collaboration modes for the plurality of different cooperation subset Make the cooperation point in subset, so not only reduce the interference between different collaboration sets, also improve cooperation algorithm to CSI feedback The robustness of error and the flexible cooperation under the conditions of back haul link is mixed.
Fig. 1 is the flow chart for the collaboration method that the embodiment of the present invention one provides.As illustrated, the present embodiment specifically include with Lower step:
Step 110, network receive user terminal send measurement result information, according to the measurement result information determine with Collaboration set centered on the terminal of family.Wherein, measurement result information can be to carry the measurement result information of collaboration set information, Can be to monitor reference signal (Sounding Reference Signal, SRS).
Specifically, when measurement result information is to carry the measurement result information of collaboration set information, network is by collaboration set Collaboration set in information is defined as the collaboration set centered on user terminal;When measurement result information is monitors reference signal, Network carries out RRM (Radio Resource to monitoring reference signal SRS respectively by each cooperation point Management, RRM) measurement, so as to obtain RRM information, and determine the collaboration set centered on user terminal.
Collaboration set in the step 110 centered on user terminal can determine by user terminal, can also be true by network It is fixed.When the measurement result information that user terminal is sent is to carry the measurement result information of collaboration set information, illustrate user's end End has determined that collaboration set, and the collaboration set information is exactly the information for the collaboration set that user terminal determines so that network will cooperate Collaboration set in collection information is defined as the collaboration set centered on user terminal.Network is referred to by measuring the monitoring that user sends Signal SRS obtains the RRM information of all launch points in network, and the association centered on user terminal is determined according to the RRM information Work collects.
Step 120, network is classified to the cooperation point in collaboration set, and a cooperation subset is formed per a kind of cooperation point.
Specifically, according to the characteristics of each cooperation point in collaboration set, collaboration set is divided into multiple cooperation subsets.Than Such as:According to each cooperation point and the distance value of user terminal or the channel estimation quality between user terminal in collaboration set Value, the cooperation point in collaboration set is divided into cooperation launch point subset and closes subset;As the cooperation point in collaboration set and user When the distance value of terminal is less than default distance threshold, cooperation point is divided into cooperation launch point subset;When the association in collaboration set When the distance value of work point and user terminal is not less than default distance threshold, cooperation point is divided into closing subset;Or work as association Make the channel estimation quality value between cooperation point and the user terminal in collecting when being more than default channel estimation quality threshold value, will assist Make point and be divided into cooperation launch point subset;When the channel estimation quality value between the cooperation point in collaboration set and user terminal is little When default channel estimation quality threshold value, cooperation point is divided into closing subset.
In another embodiment, according to the characteristics of each cooperation point in collaboration set, collaboration set is divided into multiple associations Make subset.Such as:According to the working condition of the cooperation point in collaboration set, include the back haul link class of the cooperation point in collaboration set Type, load, power consumption, disposal ability etc., by the cooperation point in collaboration set be divided into joint transmission (Joint Transmission, JT) cooperate subset, one or more cooperative schedulings and beam forming (Coordinated Scheduling and Beamforming, CS/CB) cooperation subset, the cooperation point for having Large Copacity low delay back haul link connected in collaboration set is divided into JT cooperation subsets, other cooperation points are divided into CS/CB cooperation subsets.
The following detailed description of the mistake for illustrating network by taking two kinds of sorting techniques as an example and being classified to the cooperation point in collaboration set Journey:
First, according to the channel condition of the cooperation point in collaboration set, such as, the channel state values are cooperation point and user The distance value of terminal and the channel estimation quality value between user terminal, by the collaboration set centered on user terminal point For two subsets, including cooperation launch point subset and closing subset.
When the cooperation point in collaboration set and the distance value of user terminal are less than default distance threshold, cooperation point is divided To cooperation launch point subset;When the cooperation point in collaboration set and the distance value of user terminal are not less than default distance threshold, Cooperation point is divided into closing subset;Or when the channel estimation quality value between the cooperation point in collaboration set and user terminal During more than default channel estimation quality threshold value, cooperation point is divided into cooperation launch point subset;When the cooperation point in collaboration set When channel estimation quality value between user terminal is not more than default channel estimation quality threshold value, cooperation point is divided into pass Closed subset.
Cooperation point in the launch point subset that cooperates is mainly to subscriber terminal service.And the cooperation point of subset is closed with being With user terminal distance exceed default threshold value cooperation point, this explanation close subset cooperation point apart from user terminal very Far, and interference may be produced to the user terminal outside collaboration set, mute is closed so remote cooperation point is divided into Concentrate.Equally, estimated by channel status, the good cooperation point of channel quality is divided into cooperation launch point subset, and by channel Ropy cooperation point, which is divided into, closes in subset.As shown in Fig. 2 the collaboration set centered on user terminal 21 includes cooperation point 31st, cooperation point 32, cooperation point 33, cooperation point 34, cooperation point 35, cooperation point 36.According to cooperation point 31, cooperation point 32, cooperation point 33rd, cooperation point 34, cooperation point 35, cooperation point 36 and the distance and channel estimation quality of user terminal 21, by cooperation point 32, cooperation Point 33, cooperation point 34 are divided into cooperation launch point subset 11, and cooperation point 31, cooperation point 35, cooperation point 36 are divided into closing In subset 12.Wherein, the collaboration set that cooperation point 36 had both belonged to centered on user terminal 21, in falling within and being with user terminal 22 The collaboration set of the heart, for user terminal 21, cooperation point 36 is far apart from the distance of user terminal 21, while also to user terminal 22 Interference is produced, therefore cooperation point 36 must be divided into and closed in subset 12.Similarly, in the collaboration set centered on user terminal 22 The method of dividing subset is identical with the method for the dividing subset centered on user terminal 21, repeats no more herein.
Second, will be with user terminal according to being backhaul situation in collaboration set between cooperation point in the case of mixing backhaul Centered on collaboration set be divided into two subsets, including JT cooperations subset, CS/CB cooperation subsets.
Under the conditions of backhaul is mixed, the similar cooperation point of backhaul situation is selected to form JT cooperation subsets, other cooperation point structures Into CS/CB cooperation subsets, cooperation point is flexibly distinguished according to the backhaul situation class of cooperation point, collaboration set is divided into each cooperation Subset, including JT cooperation subsets and CS/CB cooperation subsets, realize and are JT to user terminal in JT cooperation subsets so that be every Cooperation in individual JT cooperations subset will not be limited by backhaul, then do CS/CB cooperations between each JT cooperates subset.Such as Shown in Fig. 3, collaboration set centered on user terminal 11 include cooperation point 21, cooperation point 22, cooperation point 23, cooperation point 24, association Make point 25 and cooperation point 26.Collaboration set centered on user terminal 12 also include cooperation point 21, cooperation point 22, cooperation point 23, Cooperation point 24, cooperation point 25 and cooperation point 26.
Centered on user terminal 11, the similar cooperation point 21 of cooperation point i.e. backhaul, cooperation point to itself cooperation are chosen 22 and cooperation point 23 form the JT cooperation subsets of user terminal 11, selecting collaboration point 24, cooperation point 25 and cooperation point 26, which are formed, to be used The CS/CB cooperation subsets of family terminal 11;And user terminal 12 chooses the cooperation point i.e. backhaul to itself cooperation centered on itself Similar cooperation point 24, cooperation point 25 and cooperation point 26 forms the JT cooperation subsets of user terminal 12, selecting collaboration point 21, cooperation Point 22 and cooperation point 23 form the CS/CB cooperation subsets of user terminal 12.
Step 130, network determines the corresponding collaboration mode of each cooperation subset, and corresponding using each cooperation subset Collaboration mode control cooperation subset in cooperation point cooperation state, so as to being subscriber terminal service.
In one embodiment, in step 130, network can directly determine the corresponding cooperation mould of each cooperation subset Formula, and using the cooperation state of the cooperation point in the corresponding collaboration mode control cooperation subset of each cooperation subset, so as to for Subscriber terminal service.Such as when collaboration set includes cooperation launch point subset and closes subset, network control control cooperation transmitting Cooperation point in point subset carries out joint transmission JT or cooperative scheduling and beam forming CS/CB to user terminal, and controls and close Cooperation point in closed subset keeps silent on the running time-frequency resource that user terminal is scheduled.Or when collaboration set cooperates including JT When subset and CS/CB cooperation subsets, the cooperation point in network control JT cooperation subsets carries out JT to user terminal, and controls different CS/CB cooperation subset and JT cooperation subset between cooperated using CS/CB.
In another embodiment, in step 130, network can also determine each according to the feedback information of user terminal The corresponding collaboration mode of the subset that cooperates, and utilize the association in the corresponding collaboration mode control cooperation subset of each cooperation subset Make the cooperation state of point, so as to be subscriber terminal service.Such as when collaboration set includes cooperation launch point subset and closes subset When, network receives the feedback information for the cooperation point being directed in cooperation launch point subset that user terminal is sent and for closing subset The feedback information of interior cooperation point, according to the feedback information control cooperation launch point for the cooperation point in cooperation launch point subset Cooperation point in subset carries out joint transmission JT or cooperative scheduling and beam forming CS/CB to user terminal, and according to for The running time-frequency resource that the cooperation point closed in the feedback information control closing subset of the cooperation point in subset is scheduled in user terminal It is upper to keep silent.Or when collaboration set includes JT cooperation subsets and CS/CB cooperation subsets, network receives user terminal and sent For JT cooperation subset in cooperation point feedback information, according to feedback information control JT cooperation subset in cooperation point to Family terminal carries out JT, and controls and cooperated between different CS/CB cooperation subsets and JT cooperation subsets using CS/CB.
Therefore, collaboration method provided in an embodiment of the present invention, the measurement result information sent by receiving user terminal, root The collaboration set centered on user terminal is determined according to the measurement result information, and in the collaboration set centered on user terminal Cooperation point is classified, and a cooperation subset is formed per a kind of cooperation point;Directly determine the corresponding cooperation of each cooperation subset Pattern, or the corresponding collaboration mode of each cooperation subset is determined according to the feedback information of user terminal, and utilize each association Make the cooperation state of the cooperation point in the corresponding collaboration mode control cooperation subset of subset, it is achieved thereby that collaboration set is divided Into multiple different cooperation subsets, for the plurality of different cooperation subset using in different collaboration mode control cooperation subsets Cooperation point, so not only reduce the interference between different collaboration sets, also improve cooperation algorithm to the Shandong of CSI feedback error Rod and the flexible cooperation under the conditions of back haul link is mixed.
Fig. 4 is the flow chart for the collaboration method that the embodiment of the present invention four provides.As illustrated, the present embodiment specifically include with Lower step:
Step 410, user terminal is measured to all launch points in network, and measurement result information is sent to net Network, and determine the collaboration set centered on user terminal.
Specifically, user terminal is handled the launch point in subzone network, so as to establish centered on user terminal Collaboration set.Wherein, the collaboration set established centered on user terminal UE is for each launching in subzone network according to user The RRM RRM measurements that point is carried out determine.When the Reference Signal Received Power RSRP values and mesh of some launch point Difference between the RSRP values of the most strong launch point of mark user's measurement is less than default threshold value, such as, during a certain certain threshold, recognize Belong to collaboration set for the launch point.Selected collaboration set is fed back to base station by user according to the result that RRM is measured.Network also may be used simultaneously Similar RRM information is obtained with the monitoring reference signal SRS sent by measuring user, collaboration set is directly determined in network side.
The launch point in subzone network is handled the following detailed description of user terminal in step 410, so as to establish with The process of collaboration set centered on user terminal.
First, user terminal UE carry out RRM measurements to each launch point in network, and each transmitting is obtained after RRM measurements The Reference Signal Received Power RSRP values of point.
Second, maximum RSRP values are chosen from the RSRP values of each launch point, and calculate the RSRP values of each launch point with The difference of maximum RSRP values.
3rd, by the difference of each launch point compared with default threshold value, preset when the difference of launch point is less than Threshold value when, then launch point is cooperation point, and all cooperation points form the collaboration set centered on user terminal.
4th, from cooperation point selected part either the Reference Signal Received Power RSRP values of whole launch points or with Collaboration set centered on the terminal of family is sent to network as measurement result information.
Step 420, user terminal is classified to the cooperation point in the collaboration set centered on user terminal, per a kind of association Make one cooperation subset of point composition.
Specifically, according to the characteristics of each cooperation point in collaboration set, collaboration set is divided into multiple cooperation subsets.Than Such as, (1) user terminal is according to the channel condition of the cooperation point in collaboration set, such as, according to each cooperation point in collaboration set with The distance value of user terminal or the channel estimation quality value between user terminal, by the collaboration set centered on user terminal Interior cooperation point is divided into cooperation launch point subset and closes subset;(2) user terminal is according to the work of the cooperation point in collaboration set Make state, the cooperation point in collaboration set is divided into joint transmission JT cooperation subsets and cooperative scheduling and beam forming CS/CB is assisted Make subset;The cooperation point for having Large Copacity low delay back haul link connected in collaboration set is divided into JT cooperation subsets, other associations Make point and be divided into CS/CB cooperation subsets.
Above two sorting technique is specifically described below.
First, user terminal according to the channel condition of the cooperation point in collaboration set, such as, the channel state values are cooperation Distance value and the channel estimation quality value between user terminal of point and user terminal, by centered on user terminal Collaboration set is divided into two subsets, including cooperation launch point subset and closing subset.
When the cooperation point in collaboration set and the distance value of user terminal are less than default distance threshold, cooperation point is divided To cooperation launch point subset;When the cooperation point in collaboration set and the distance value of user terminal are not less than default distance threshold, Cooperation point is divided into closing subset;Or when the channel estimation quality value between the cooperation point in collaboration set and user terminal During more than default channel estimation quality threshold value, cooperation point is divided into cooperation launch point subset;When the cooperation point in collaboration set When channel estimation quality value between user terminal is not more than default channel estimation quality threshold value, cooperation point is divided into pass Closed subset.
Cooperation point in the launch point subset that cooperates is mainly to subscriber terminal service.And the cooperation point of subset is closed with being With user terminal distance exceed default threshold value cooperation point, this explanation close subset cooperation point apart from user terminal very Far, and interference may be produced to the user terminal outside collaboration set, mute is closed so remote cooperation point is divided into Concentrate.Equally, estimated by channel status, the good cooperation point of channel quality is divided into pass cooperation subset, and by channel quality The cooperation point of difference, which is divided into, closes in subset.As shown in Fig. 2 collaboration set centered on user terminal 21 include cooperation point 31, Cooperation point 32, cooperation point 33, cooperation point 34, cooperation point 35, cooperation point 36.According to cooperation point 31, cooperation point 32, cooperation point 33, Cooperation point 34, cooperation point 35, cooperation point 36 and the distance and channel estimation quality of user terminal 21, by cooperation point 32, cooperation point 33rd, cooperation point 34 is divided into cooperation subset 11, and cooperation point 31, cooperation point 35, cooperation point 36 are divided into and closed in subset 12. Wherein, the collaboration set that cooperation point 36 had both belonged to centered on user terminal 21, the cooperation centered on user terminal 22 is fallen within Collection, for user terminal 21, cooperation point 36 is far apart from the distance of user terminal 21, while also user terminal 22 is produced dry Disturb, therefore cooperation point 36 must be divided into and closed in subset 12.Similarly, son is divided in the collaboration set centered on user terminal 22 The method of collection is identical with the method for the dividing subset centered on user terminal 21, repeats no more herein.
Secondth, user terminal according to the working condition of the cooperation point in collaboration set, such as, assisted in the case of backhaul is mixed Make to collect the backhaul situation between interior cooperation point, the collaboration set centered on user terminal is divided into two subsets, including JT cooperations Subset, CS/CB cooperation subsets.
Under the conditions of backhaul is mixed, the similar cooperation point of backhaul situation is selected to form JT cooperation subsets, other cooperation point structures Into CS/CB cooperation subsets, cooperation point is flexibly distinguished according to the backhaul situation class of cooperation point, collaboration set is divided into each cooperation Subset, including JT cooperation subsets and CS/CB cooperation subsets, realize and are JT to user terminal in JT cooperation subsets so that be every Cooperation in individual JT cooperations subset will not be limited by backhaul, then do CS/CB cooperations between each JT cooperates subset.Such as Shown in Fig. 3, collaboration set centered on user terminal 11 include cooperation point 21, cooperation point 22, cooperation point 23, cooperation point 24, association Make point 25 and cooperation point 26.Collaboration set centered on user terminal 12 also include cooperation point 21, cooperation point 22, cooperation point 23, Cooperation point 24, cooperation point 25 and cooperation point 26.
User terminal 11 is chosen the similar cooperation point 21 of the cooperation point i.e. backhaul to itself cooperation, assisted centered on itself Make point 22 and cooperation point 23 forms the JT cooperation subsets of user terminal 11, selecting collaboration point 24, cooperation point 25 and the structure of cooperation point 26 Into the CS/CB cooperation subsets of user terminal 11;And user terminal 12 is centered on itself, choose to the cooperation point of itself cooperation i.e. The JT cooperation subsets of the similar cooperation point 24 of backhaul, cooperation point 25 and the composition user terminal 12 of cooperation point 26, selecting collaboration point 21, Cooperation point 22 and cooperation point 23 form the CS/CB cooperation subsets of user terminal 12.
Step 430, user terminal measurement obtain with the corresponding feedback information of cooperation subset, and by feedback information send to Network, the collaboration mode corresponding with cooperation subset is used as subscriber terminal service according to feedback information to network.
After above two sorting technique is specifically described below, user terminal measurement obtains the feedback corresponding with cooperation subset Information, and feedback information is sent to network, the cooperation mould corresponding with cooperation subset is used according to feedback information to network Formula is the process of subscriber terminal service.
First, the collaboration set centered on user terminal is divided into cooperation launch point subset and closes subset.
For the cooperation point in cooperation launch point subset, after the channel information for measuring cooperation point, channel information is passed through Quantification treatment is converted into channel condition information (Channel State Information, CSI), and by channel condition information CSI Network is fed back to as the feedback information for the cooperation point in cooperation launch point subset, is controlled to network according to feedback information Cooperation point carries out joint transmission JT or cooperative scheduling and beam forming CS/CB to user terminal;Feedback information also includes cooperation The phase information of point;
For closing the cooperation point in subset, using the configured information of cooperation point as closing the cooperation point in subset Feedback information feeds back to network, controls the cooperation point closed in subset to be scheduled in user terminal according to feedback information to network Running time-frequency resource on keep silent.
Specifically, for each cooperation point in cooperation launch point subset, when user terminal measurement launches idea to cooperation The channel information of cooperation point in collection, will by the channel information after quantification treatment is converted into channel condition information CSI information The CSI feedback of the information can also include the phase information of each cooperation point to network, the CSI information;Web vector graphic cooperation transmitting The cooperation point that idea is concentrated carries out joint transmission JT or cooperative scheduling and beam forming CS/CB to user terminal.Because cooperation The distance of cooperation point and user terminal in subset is smaller, i.e., relatively close to user terminal, meanwhile, each cooperation point and user Channel condition between terminal is relatively good.Now, if cooperation point is JT or CB/CS to user terminal, will substantially reduce pair The interference of the outer user terminal of the collaboration set.
But user terminal will be without CSI feedback for closing subset, and only tell which cooperation point of network is to close The cooperation point of subset so that the cooperation point for closing subset keeps silent on the running time-frequency resource that user terminal is scheduled, that is, closes The cooperation point of subset without data-signal transmission.
In addition, data processing can be carried out with facilitating collaboration subset by closing the disposal ability of the cooperation point of subset.It is sub when closing The cooperation point of concentration is more idle, and the point in subset that cooperates is slower, can be subject to profit to closing the cooperation point in subset With facilitating collaboration subset carries out data processing.
Second, the collaboration set centered on user terminal is divided into JT cooperations subset, CS/CB cooperation subsets.
For the cooperation point of JT cooperation subsets, after the channel information for measuring cooperation point, by channel information by quantization Reason is converted into channel condition information CSI, and using channel condition information CSI as the feedback for the cooperation point in JT cooperation subsets Feedback of the information controls cooperation point to carry out JT to user terminal to network to network according to feedback information;Feedback information also includes Phase information in JT cooperation subsets between cooperation point;
When JT cooperates subset to CS/CB cooperation subset progress CS/CB, CSI back to CS/CB is assisted Make subset, cooperated to the CS/CB subsets that cooperate with JT according to channel condition information CSI subset progress CS/CB cooperations.
Specifically, the cooperation point in the JT cooperation subsets centered on user terminal, is user in JT cooperation subsets Terminal provides JT services.
Cooperated in JT between subset and CS/CB cooperation subsets, CS/CB cooperations subset is the JT cooperations of other users terminal Subset, cooperated using CS/CB.JT is cooperated subset as an independent point, CS/CB is between these independent points, makes The wave beam of these points is not launched other independent points, reduces the interference to other independent points.As shown in figure 3, light beam 31 is user The JT cooperation subsets of terminal 11 are as an independent point, the light beam of the JT cooperation subset transmittings to user terminal 11.Light beam 32 is The JT cooperation subsets of user terminal 12 are as an independent point, the light beam launched to the JT cooperation subsets of user terminal 11, so Cooperated in the JT of user terminal 11 and be CS/CB between subset and the JT cooperation subsets of user terminal 12, make the wave beam of cooperation subset Not to other cooperation subset transmittings, reduce the interference to other cooperation subsets.
In addition, JT cooperates, the feedback information of the cooperation point in subset is as traditional CSI feedback information, when user is whole End measures the channel information of the cooperation point in JT cooperation subsets, and the channel information is converted into CSI information by quantification treatment Afterwards, by the CSI feedback of the information to network, the CSI information also includes the phase information of the cooperation point in JT cooperation subsets;When JT is assisted When CS/CB will be to other subsets by making subset, user terminal needs to tell the CSI feedback of the information to other sons to other subsets Collection does CS/CB cooperations.
Therefore, collaboration method provided in an embodiment of the present invention, by the association in the collaboration set centered on user terminal Make point to be classified, a cooperation subset is formed per a kind of cooperation point;The channel shape corresponding with cooperation subset is sent to network State information, the collaboration mode corresponding with cooperation subset is used as subscriber terminal service according to channel condition information to network, It is achieved thereby that classify using to the cooperation point in the collaboration set centered on user terminal, inhomogeneous cooperation point is to net Network sends different feedback informations so that network uses different collaboration modes to reduce different cooperations for subscriber terminal service Interference between collection, improve cooperation robustness of the algorithm to CSI feedback error and the spirit under the conditions of back haul link is mixed Cooperation living.
Fig. 5 is the schematic diagram for the network that the embodiment of the present invention five provides.The network includes several launch points, for performing The collaboration method that the embodiment of the present invention one provides.As illustrated, the embodiment of the present invention specifically includes:Receiving unit 51, grouping sheet Member 52 and processing unit 53.
Receiving unit 51 be used for receive user terminal transmission measurement result information, according to measurement result information determine with Collaboration set centered on the terminal of family, and collaboration set is transferred to taxon 52;
Taxon 52 is used to receive collaboration set centered on user terminal from receiving unit 51, to using user terminal as The collaboration set at center is classified, and a cooperation subset is formed per a kind of cooperation point, so as to obtain classification results, and will classification As a result it is transferred to processing unit 53;
Processing unit 53 is used to receive classification results from taxon 52, it is determined that each corresponding cooperation mould of cooperation subset Formula, and using the cooperation state of the cooperation point in the corresponding collaboration mode control cooperation subset of each cooperation subset, so as to for Subscriber terminal service.
In one embodiment, receiving unit 51 is used for the measurement for carrying collaboration set information for receiving user terminal transmission Object information, the collaboration set centered on user terminal is determined according to collaboration set information.
In another embodiment, receiving unit 51 is used for the monitoring reference signal for receiving user terminal transmission, passes through survey Amount monitors reference signal and obtains RRM metrical informations, it is determined that the collaboration set centered on user terminal.
Further, taxon 52 is used to according to the characteristics of each cooperation point in collaboration set, collaboration set be divided into Multiple cooperation subsets.
In one embodiment, taxon 52 is used for according to each cooperation point and the distance of user terminal in collaboration set Value or the channel estimation quality value between user terminal, by the cooperation point in collaboration set be divided into cooperation launch point subset and Close subset;When the cooperation point in collaboration set and the distance value of user terminal are less than default distance threshold, by the dot-dash that cooperates Assign to cooperation launch point subset;When the cooperation point in collaboration set and the distance value of user terminal are not less than default distance threshold When, cooperation point is divided into closing subset;Or when the channel estimation quality between the cooperation point in collaboration set and user terminal When value is more than default channel estimation quality threshold value, cooperation point is divided into cooperation launch point subset;When the cooperation in collaboration set When channel estimation quality value between point and user terminal is not more than default channel estimation quality threshold value, cooperation point is divided into Close subset.
In another embodiment, taxon 52 is used for the working condition according to the cooperation point in collaboration set, it will cooperate Cooperation point in collection is divided into joint transmission JT cooperation subsets and cooperative scheduling and one or more beam forming CS/CB cooperation Collection, the cooperation point for having Large Copacity low delay back haul link connected in collaboration set is divided into JT cooperation subsets, other cooperation dot-dash Assign to CS/CB cooperation subsets.
In one embodiment, processing unit 53 is used to control the cooperation point in cooperation launch point subset to enter user terminal Row joint transmission JT or cooperative scheduling and beam forming CS/CB, and the cooperation point closed in subset is controlled in user terminal quilt Kept on the running time-frequency resource of scheduling silent.
Or processing unit 53 is used to receive the anti-of the cooperation point being directed in cooperation launch point subset that user terminal is sent Feedforward information and the feedback information for closing the cooperation point in subset, according to for the anti-of the cooperation point in cooperation launch point subset Cooperation point in feedforward information control cooperation launch point subset carries out joint transmission JT or cooperative scheduling and wave beam to user terminal CS/CB is shaped, and the cooperation point closed according to the feedback information control for closing the cooperation point in subset in subset is in user Keep silent on the scheduled running time-frequency resource of terminal.
In another embodiment, processing unit 53 is used to control the cooperation point in JT cooperation subsets to carry out user terminal JT, and control and cooperated between different CS/CB cooperation subsets and JT cooperation subsets using CS/CB.
Or processing unit 53 is used to receive the feedback letter for the cooperation point in JT cooperation subsets that user terminal is sent Breath, control the cooperation point in JT cooperation subsets to carry out JT to user terminal according to feedback information, and control different CS/CB cooperations Cooperated between subset and JT cooperation subsets using CS/CB.
Therefore, network provided in an embodiment of the present invention, the measurement result information sent by receiving user terminal, according to this Measurement result information determines the collaboration set centered on user terminal, and to the cooperation in the collaboration set centered on user terminal Point is classified, and a cooperation subset is formed per a kind of cooperation point;The corresponding collaboration mode of each cooperation subset is directly determined, Or the corresponding collaboration mode of each cooperation subset is determined according to the feedback information of user terminal, and utilize each cooperation subset The cooperation state of cooperation point in corresponding collaboration mode control cooperation subset, it is achieved thereby that collaboration set is divided into multiple Different cooperation subset, for the plurality of different cooperation subset using the cooperation in different collaboration mode control cooperation subsets Point, so not only reduce the interference between different collaboration sets, also improve cooperation algorithm to the robustness of CSI feedback error, And the flexible cooperation under the conditions of back haul link is mixed.
Fig. 6 is the schematic diagram for the user terminal that the embodiment of the present invention six provides.As illustrated, the embodiment of the present invention is specifically wrapped Include:Measuring unit 61, taxon 62, transmitting element 63.
Measuring unit 61 is used to measure all launch points in network, and measurement result information is sent to network, And the collaboration set centered on user terminal is determined, and the collaboration set centered on user terminal is transferred to taxon;
Taxon 62 is used to receive collaboration set centered on user terminal from measuring unit, to using user terminal in Cooperation point in the collaboration set of the heart is classified, and a cooperation subset is formed per a kind of cooperation point.And will cooperation subset transmission To transmitting element;
Transmitting element 63 is used to receive cooperation subset from taxon, and measurement obtains the feedback letter corresponding with cooperation subset Breath, and feedback information is sent to network, the collaboration mode corresponding with cooperation subset is used according to feedback information to network For subscriber terminal service.
Further, measuring unit 61 is used to carry out RRM RRM measurements to each launch point in network, The Reference Signal Received Power RSRP values of each launch point are obtained after RRM measurements;Chosen most from the RSRP values of each launch point Big RSRP values, and calculate the RSRP values of each launch point and the difference of maximum RSRP values;By the difference of each launch point and in advance If threshold value be compared, when the difference of launch point is less than default threshold value, then launch point is cooperation point, all cooperation point groups Into the collaboration set centered on user terminal;The Reference Signal Received Power of selected part or whole launch points from cooperation point RSRP values or the collaboration set using centered on user terminal are sent to network as measurement result information.
Further, taxon 62 is used to according to the characteristics of each cooperation point in collaboration set, collaboration set be divided into Multiple cooperation subsets.
In one embodiment, taxon 62 is used for according to each cooperation point and the distance of user terminal in collaboration set Value or the channel estimation quality value between user terminal, by the cooperation point in collaboration set be divided into cooperation launch point subset and Close subset;When the cooperation point in collaboration set and the distance value of user terminal are less than default distance threshold, by the dot-dash that cooperates Assign to cooperation launch point subset;When the cooperation point in collaboration set and the distance value of user terminal are not less than default distance threshold When, cooperation point is divided into closing subset;Or when the channel estimation quality between the cooperation point in collaboration set and user terminal When value is more than default channel estimation quality threshold value, cooperation point is divided into cooperation launch point subset;When the cooperation in collaboration set When channel estimation quality value between point and user terminal is not more than default channel estimation quality threshold value, cooperation point is divided into Close subset.
Transmitting element 63 is used for for the cooperation point in cooperation launch point subset, after the channel information for measuring cooperation point, Channel information is converted into channel condition information CSI by quantification treatment, and using channel condition information CSI as cooperation hair The feedback information of cooperation point in exit point subset feeds back to network, controls cooperation point whole to user according to feedback information to network End carries out joint transmission JT or cooperative scheduling and beam forming CS/CB;The feedback information also includes the phase information of cooperation point; For closing the cooperation point in subset, using the configured information of cooperation point as the feedback information for closing the cooperation point in subset Network is fed back to, controls cooperation point to keep quiet on the running time-frequency resource that user terminal is scheduled according to feedback information to network It is silent.
In another embodiment, taxon 62 is used for the working condition according to the cooperation point in collaboration set, will cooperate Cooperation point in collection is divided into joint transmission JT cooperation subsets and one or more cooperative schedulings and beam forming CS/CB cooperation Collection;The cooperation point for having Large Copacity low delay back haul link connected in collaboration set is divided into JT cooperation subsets, other cooperation dot-dash Assign to CS/CB cooperation subsets.
Transmitting element 63 is for the cooperation point for JT cooperation subsets, after the channel information for measuring cooperation point, by channel Information is converted into channel condition information CSI by quantification treatment, and using channel condition information CSI as in JT cooperation subsets The feedback information of cooperation point feed back to network, control cooperation point to carry out JT to user terminal according to feedback information to network; Feedback information also includes the phase information between cooperation point in JT cooperation subsets;When JT cooperation subsets are entered to CS/CB cooperations subset During row CS/CB, by CSI back to CS/CB cooperation subsets, subset is cooperated according to channel status to CS/CB Information CSI cooperated with JT subset carry out CS/CB cooperations.
Therefore, user terminal provided in an embodiment of the present invention, by the association in the collaboration set centered on user terminal Make point to be classified, a cooperation subset is formed per a kind of cooperation point;The channel shape corresponding with cooperation subset is sent to network State information, the collaboration mode corresponding with cooperation subset is used as subscriber terminal service according to channel condition information to network, It is achieved thereby that classify using to the cooperation point in the collaboration set centered on user terminal, inhomogeneous cooperation point is to net Network sends different feedback informations so that network uses different collaboration modes to reduce different cooperations for subscriber terminal service Interference between collection, improve cooperation robustness of the algorithm to CSI feedback error and the spirit under the conditions of back haul link is mixed Cooperation living.
Professional should further appreciate that, each example described with reference to the embodiments described herein Unit and algorithm steps, it can be realized with electronic hardware, computer software or the combination of the two, it is hard in order to clearly demonstrate The interchangeability of part and software, the composition and step of each example are generally described according to function in the above description. These functions are performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme. Professional and technical personnel can realize described function using distinct methods to each specific application, but this realization It is it is not considered that beyond the scope of this invention.
The method that is described with reference to the embodiments described herein can use hardware, computing device the step of algorithm Software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only storage (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field In any other form of storage medium well known to interior.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include Within protection scope of the present invention.

Claims (16)

1. a kind of collaboration method, it is characterised in that methods described includes:
The measurement result information that user terminal is sent is received, is determined according to the measurement result information centered on user terminal Collaboration set;
Cooperation point in the collaboration set is classified, a cooperation subset is formed per a kind of cooperation point;
The cooperation point in the collaboration set is classified, and a cooperation subset is formed per a kind of cooperation point, including:
According to the characteristics of each cooperation point in the collaboration set, the collaboration set is divided into multiple cooperation subsets;
The characteristics of each cooperation point according in the collaboration set, it is specific that the collaboration set is divided into multiple cooperation subsets Including:
According to the working condition of the cooperation point in the collaboration set, the cooperation point in the collaboration set is divided into joint transmission JT The subset that cooperates and one or more cooperative schedulings and beam forming CS/CB cooperation subset, will have Large Copacity low in the collaboration set The connected cooperation point of delay back haul link is divided into the JT cooperations subset, and other cooperation points are divided into CS/CB cooperations Collection;
It is determined that each corresponding collaboration mode of cooperation subset, and utilize the corresponding collaboration mode control of each cooperation subset The cooperation state of the cooperation point in the cooperation subset is made, so as to be the subscriber terminal service;
The measurement result information for receiving user terminal and sending, is determined using user terminal according to the measurement result information The collaboration set of the heart, including:
Receive the user terminal and send monitoring reference signal, RRM is obtained by measuring the monitoring reference signal RRM metrical informations, it is determined that the collaboration set centered on user terminal.
2. collaboration method according to claim 1, it is characterised in that the collaboration set includes JT cooperation subsets and CS/CB Cooperate subset, the corresponding collaboration mode of each cooperation subset of determination, and corresponding using each cooperation subset The cooperation state of cooperation point in the collaboration mode control cooperation subset, so as to be specifically included for the subscriber terminal service:
Control the cooperation point in the JT cooperations subset to carry out JT to the user terminal, and control different CS/CB cooperation Cooperated between collection and JT cooperation subsets using CS/CB.
3. collaboration method according to claim 2, it is characterised in that the corresponding cooperation of each cooperation subset of determination Pattern, and utilize the cooperation shape of the cooperation point in the corresponding collaboration mode control cooperation subset of each cooperation subset State, so as to be the subscriber terminal service, including:
The feedback information for the cooperation point in JT cooperation subsets that the user terminal is sent is received, according to the feedback Information controls the cooperation point in the JT cooperations subset to carry out JT to the user terminal, and controls different CS/CB cooperation Cooperated between collection and JT cooperation subsets using CS/CB.
4. a kind of collaboration method, it is characterised in that methods described includes:
All launch points in network are measured, measurement result information is sent to the network, and are determined whole with user Collaboration set centered on end;
Cooperation point in collaboration set centered on user terminal is classified, cooperation is formed per a kind of cooperation point Collection;
Measurement obtains the feedback information corresponding with the cooperation subset, and the feedback information is sent to the network, uses The collaboration mode corresponding with the cooperation subset is used to be taken as the user terminal according to the feedback information using the network Business;
Cooperation point in the collaboration set to centered on user terminal is classified, and a cooperation is formed per a kind of cooperation point Subset, including:
According to the characteristics of each cooperation point in the collaboration set, the collaboration set is divided into multiple cooperation subsets;
The characteristics of each cooperation point according in the collaboration set, the collaboration set is divided into multiple cooperation subsets, wrapped Include:
According to the working condition of the cooperation point in the collaboration set, the cooperation point in the collaboration set is divided into joint transmission JT The subset that cooperates and cooperative scheduling and beam forming CS/CB cooperation subset;There to be Large Copacity low delay flyback line in the collaboration set The connected cooperation point in road is divided into the JT cooperations subset, and other cooperation points are divided into the CS/CB cooperations subset.
5. collaboration method according to claim 4, it is characterised in that all launch points in network are surveyed Amount, measurement result information is sent to the network, and determine the collaboration set centered on user terminal, including:
RRM RRM measurements are carried out to each launch point in the network, are obtained after the RRM measurements described each The Reference Signal Received Power RSRP values of launch point;
Maximum RSRP values are chosen from the RSRP values of each launch point, and calculate RSRP values and the institute of each launch point State the difference of maximum RSRP values;
By the difference of each launch point compared with default threshold value, when the difference of the launch point is less than described pre- If threshold value when, then the launch point is cooperation point, all cooperation points composition collaboration set centered on user terminal;
From the cooperation point selected part either the Reference Signal Received Power RSRP values of whole launch points or it is described with Collaboration set centered on the terminal of family is sent to the network as measurement result information.
6. collaboration method according to claim 4, it is characterised in that each cooperation point according in the collaboration set The characteristics of, the collaboration set is divided into multiple cooperation subsets, including:
According to each cooperation point in the collaboration set and the distance value of the user terminal or between the user terminal Channel estimation quality value, the cooperation point in the collaboration set is divided into cooperation launch point subset and closes subset;
When the distance value of the cooperation point in the collaboration set and the user terminal is less than default distance threshold, by institute State cooperation point and be divided into the cooperation launch point subset;When the cooperation point in the collaboration set and the user terminal away from When being not less than default distance threshold from value, the cooperation point is divided into the closing subset;Or when in the collaboration set The cooperation point and the user terminal between channel estimation quality value when being more than default channel estimation quality threshold value, will The cooperation point is divided into the cooperation launch point subset;When the cooperation point in the collaboration set and the user terminal it Between channel estimation quality value when being not more than default channel estimation quality threshold value, the cooperation point is divided into and described closes son Collection.
7. collaboration method according to claim 6, it is characterised in that described to send the feedback information to the net Network, use the collaboration mode corresponding with the cooperation subset whole for the user according to the feedback information to the network End service, including:
For the cooperation point in the cooperation launch point subset, after the channel information for measuring the cooperation point, by the channel Information is converted into channel condition information CSI by quantification treatment, and using the channel condition information CSI as being directed to the cooperation The feedback information of cooperation point in launch point subset feeds back to the network, is controlled to the network according to the feedback information The cooperation point carries out joint transmission JT or cooperative scheduling and beam forming CS/CB to the user terminal;The feedback letter Breath also includes the phase information of the cooperation point;
For the cooperation point in the closing subset, using the configured information of the cooperation point as in the closing subset The feedback information of cooperation point feeds back to the network, and the cooperation point is controlled in institute according to the feedback information to the network State and keep silent on the scheduled running time-frequency resource of user terminal.
8. collaboration method according to claim 4, it is characterised in that described to send the feedback information to the net Network, use the collaboration mode corresponding with the cooperation subset whole for the user according to the feedback information to the network End service, including:
For the cooperation point of JT cooperation subsets, after the channel information for measuring the cooperation point, the channel information is passed through Cross quantification treatment and be converted into channel condition information CSI, and using the channel condition information CSI as JT cooperation subsets The feedback information of interior cooperation point feeds back to the network, and the cooperation point is controlled according to the feedback information to the network JT is carried out to the user terminal;The feedback information also includes the phase information between cooperation point in JT cooperation subsets;
When the JT cooperates subset to CS/CB cooperation subset progress CS/CB, by the CSI back Cooperate subset to the CS/CB, cooperated to CS/CB cooperation subsets according to channel condition information CSI with the JT subset Carry out CS/CB cooperations.
9. a kind of network, it is characterised in that the network includes:
Receiving unit, for receive user terminal transmission measurement result information, according to the measurement result information determine with Collaboration set centered on the terminal of family, and the collaboration set is transferred to taxon;
Taxon, for receiving the collaboration set from the receiving unit, the cooperation point in the collaboration set is classified, A cooperation subset is formed per a kind of cooperation point, so as to obtain classification results, and the classification results is transferred to and handle list Member;
Processing unit, for receiving the classification results from the taxon, it is determined that each corresponding cooperation of cooperation subset Pattern, and utilize the cooperation shape of the cooperation point in the corresponding collaboration mode control cooperation subset of each cooperation subset State, so as to be the subscriber terminal service;
The receiving unit is used to receive the monitoring reference signal that the user terminal is sent, by measuring described monitor with reference to letter Number obtain RRM metrical informations, it is determined that the collaboration set centered on user terminal;
The taxon is used to according to the characteristics of each cooperation point in the collaboration set, the collaboration set be divided into multiple Cooperate subset;
The taxon is used for the working condition according to the cooperation point in the collaboration set, by the cooperation point in the collaboration set Joint transmission JT cooperation subsets and cooperative scheduling and one or more beam forming CS/CB cooperation subsets are divided into, by the association The cooperation point for making to have Large Copacity low delay back haul link connected in collecting is divided into the JT cooperations subset, and other cooperation points are divided into The CS/CB cooperations subset.
10. network according to claim 9, it is characterised in that the processing unit is used to control the JT cooperations subset Interior cooperation point carries out JT to the user terminal, and controls and used between different CS/CB cooperation subsets and JT cooperation subsets CS/CB cooperates.
11. network according to claim 10, it is characterised in that the processing unit is used to receive the user terminal hair The feedback information for the cooperation point in JT cooperation subsets sent, the JT cooperations subset is controlled according to the feedback information Interior cooperation point carries out JT to the user terminal, and controls and used between different CS/CB cooperation subsets and JT cooperation subsets CS/CB cooperates.
12. a kind of user terminal, it is characterised in that the terminal includes:
Measuring unit, for being measured to all launch points in network, measurement result information is sent to the network, and It is determined that the collaboration set centered on user terminal, and the collaboration set centered on user terminal is transferred to grouping sheet Member;
Taxon, for receiving the collaboration set centered on user terminal from the measuring unit, to described with user The cooperation point in collaboration set centered on terminal is classified, and a cooperation subset is formed per a kind of cooperation point, and by described in Cooperation subset is transferred to transmitting element;
Transmitting element, for receiving the cooperation subset from the taxon, measurement obtains corresponding with the cooperation subset Feedback information, and the feedback information is sent to the network, to the network according to the feedback information use with The corresponding collaboration mode of the cooperation subset is the subscriber terminal service;
The taxon is used to according to the characteristics of each cooperation point in the collaboration set, the collaboration set be divided into multiple Cooperate subset;
The taxon is used for the working condition according to the cooperation point in the collaboration set, by the cooperation point in the collaboration set It is divided into joint transmission JT cooperation subsets and one or more cooperative schedulings and beam forming CS/CB cooperation subsets;By the association The cooperation point for making to have Large Copacity low delay back haul link connected in collecting is divided into the JT cooperations subset, and other cooperation points are divided into The CS/CB cooperations subset.
13. user terminal according to claim 12, it is characterised in that the measuring unit is used in the network Each launch point carries out RRM RRM measurements, and the reference signal that each launch point is obtained after the RRM measurements connects Receive power RSRP values;Maximum RSRP values are chosen from the RSRP values of each launch point, and calculate each launch point The difference of RSRP values and the maximum RSRP values;By the difference of each launch point compared with default threshold value, when When the difference of the launch point is less than the default threshold value, then the launch point is cooperation point, described in all cooperation point compositions Collaboration set centered on user terminal;The reference signal of selected part or whole launch points receives work(from the cooperation point Rate RSRP values or the collaboration set using centered on user terminal are sent to the network as measurement result information.
14. user terminal according to claim 12, it is characterised in that the taxon is used for according to the collaboration set Interior each cooperation point and the distance value of the user terminal or the channel estimation quality value between the user terminal, will Cooperation point in the collaboration set is divided into cooperation launch point subset and closes subset;When the cooperation point in the collaboration set When being less than default distance threshold with the distance value of the user terminal, the cooperation point is divided into the cooperation subset;When When the cooperation point and the distance value of the user terminal in the collaboration set are not less than default distance threshold, by the association Make point and be divided into the closing subset;Or when the letter between the cooperation point in the collaboration set and the user terminal When road estimation mass value is more than default channel estimation quality threshold value, the cooperation point is divided into the cooperation subset;Work as institute The channel estimation quality value stated between the cooperation point in collaboration set and the user terminal is not more than default channel estimation During quality threshold, the cooperation point is divided into the closing subset.
15. user terminal according to claim 14, it is characterised in that the transmitting element is used to send out for the cooperation Cooperation point in exit point subset, after the channel information for measuring the cooperation point, the channel information is turned by quantification treatment Change channel condition information CSI into, and using the channel condition information CSI as the cooperation in the cooperation launch point subset The feedback information of point feeds back to the network, and the cooperation point is controlled to the use according to the feedback information to the network Family terminal carries out joint transmission JT or cooperative scheduling and beam forming CS/CB;The feedback information also includes the cooperation point Phase information;For the cooperation point in the closing subset, using the configured information of the cooperation point as being directed to the closing The feedback information of cooperation point in subset feeds back to the network, and the association is controlled according to the feedback information to the network Make point and keep silent on the running time-frequency resource that the user terminal is scheduled.
16. user terminal according to claim 12, it is characterised in that the transmitting element is used to cooperate for the JT The cooperation point of subset, after the channel information for measuring the cooperation point, the channel information is converted into letter by quantification treatment Channel state information CSI, and using the channel condition information CSI as the feedback letter for the cooperation point in JT cooperation subsets Breath feeds back to the network, controls the cooperation point to carry out the user terminal according to the feedback information to the network JT;The feedback information also includes the phase information between cooperation point in JT cooperation subsets;When JT cooperation subsets pair When the CS/CB cooperations subset carries out CS/CB, by the CSI back to CS/CB cooperation subsets, use Cooperated with the CS/CB subsets that cooperate with the JT according to channel condition information CSI subset progress CS/CB cooperations.
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