CN101909321A - Method, cooperation functional entity and system for cell resource scheduling - Google Patents
Method, cooperation functional entity and system for cell resource scheduling Download PDFInfo
- Publication number
- CN101909321A CN101909321A CN2009100851385A CN200910085138A CN101909321A CN 101909321 A CN101909321 A CN 101909321A CN 2009100851385 A CN2009100851385 A CN 2009100851385A CN 200910085138 A CN200910085138 A CN 200910085138A CN 101909321 A CN101909321 A CN 101909321A
- Authority
- CN
- China
- Prior art keywords
- multipoint transmission
- cooperative multipoint
- cooperation
- cell
- rab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a method, a cooperation functional entity and a system for cell resource scheduling. The method comprises the following steps of: acquiring a cooperation cell set participating in cooperation multi-point (CoMP) business according to a user terminal measurement report or a CoMP transmission request which are reported by a service cell; establishing a wireless access bearer of the cooperation cell to the CoMP business according to the wireless access bearer information corresponding to the CoMP business; instructing the cooperation cell to carry out access layer configuration according to the wireless access bearer information; and determining wireless resource scheduling information corresponding to the CoMP business, and instructing the service cell and the cooperation cell to carry out the CoMP business according to the same wireless resource scheduling information. The invention synchronizes data transmission requiring cooperation among different base station cells, reduces the user interference among the cells and improves the utilization ratio of wireless resources.
Description
Technical field
The present invention relates to communication technical field, relate in particular to method, cooperation functional entity and the system of cell resource scheduling.
Background technology
In existing 2G, the 3G network system, each base station (e-NodeB, be called for short eNB) responsible a plurality of sub-districts, each sub-district only provides service for the user of this sub-district, scheduling of resource is positioned at medium access control (the Media Access Control of this base station, be called for short MAC) layer, can there be interference to the user of other base station affiliated subdistricts when therefore carrying out resource allocation and transfer of data.
Fig. 1 is the schematic diagram of prior art Cell Edge User received signal.As shown in Figure 1, solid line is represented useful signal, and dotted line is represented noise signal, for the user of cell edge, when receiving useful signal, also receives the noise signal of neighbor cell, and user's service experience is far below Cell Center User in this scope.Therefore,, need to consider to improve the service quality of Cell Edge User, reduce presence of intercell interference, guarantee that network provides the consistency of service on different geographic regions for actual communication systems design and network operation.
In the prior art, communication interface is not set between the base station, the base station all is to carry out the signal transmission by upper layer network node radio network controller (Radio Network Controller is called for short RNC), causes the increase of propagation delay time.Current, in the standardization effort process of the 3GPP LTE system of 3GPP tissue, the Access Network of 3GPP LTE system is proposed the X2 communication interface between the base station, but X2 interface and other interface protocols are all considered employing performing coordinated scheduling mechanism at present.
Distributed radio system is exactly to utilize the coordination mechanism between base station cell or a plurality of transmitting-receiving node to carry out transfer of data and service is provided, wherein collaboration type multicast communication (Coordinated Multipoint transmission and reception is called for short CoMP) technology has received increasing attention as a kind of new technology that improves Cell Edge User service experience, reduction area interference and studies.The CoMP technology is also referred to as Network MIMO technology, be that the channel information of transmission neighbor cell user on the interface between neighbor cell and data message are to finish performing coordinated scheduling and information Combined Treatment process, to improve wireless resource utility efficiency and throughput of system.Had relevant CoMP technology algorithm research manuscript in the 3GPP LTE standard of formulating now and the motion, related to the principle and advantage of CoMP business, but all do not related to the relevant upper-layer protocol of this technology and control contents such as signaling mechanism.
In realizing process of the present invention, the inventor finds that there are the following problems in the prior art cell resource scheduling mode: the cooperative scheduling that can not carry out the minizone, can't realize between a plurality of sub-districts that to needs cooperation transmission data synchronization mechanism, wireless resource utility efficiency is low.
Summary of the invention
The objective of the invention is to solve the cooperative scheduling that can not carry out the different base station minizone in the prior art cell resource scheduling mode, can't realize needing the defective of cooperation transmission data sync, a kind of method, cooperation functional entity and system of cell resource scheduling are proposed, to realize between the different base station sub-district to needs cooperation transmission data synchronization, reduce inter-cell user and disturb, improve wireless resource utility efficiency.
For achieving the above object, according to an aspect of the present invention, a kind of method of cell resource scheduling is provided, comprise: user terminal (the User Equipment that reports according to Serving cell, be called for short UE) to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells, obtain the cooperation cell set that participates in the cooperative multipoint transmission business; According to the professional corresponding RAB information of cooperative multipoint transmission, set up the RAB of cooperation cell to the cooperative multipoint transmission business; The indication cooperation cell is carried out access layer configuration according to RAB information; Determine the wireless resource scheduling information that cooperative multipoint transmission is professional corresponding, indication Serving cell and cooperation cell are carried out the cooperative multipoint transmission business according to identical wireless resource scheduling information.
In the technical program, wireless resource scheduling information comprises modulation coding information and running time-frequency resource information.The step of determining the wireless resource scheduling information of the professional correspondence of cooperative multipoint transmission specifically comprises: obtain the suggestion of Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of each sub-district; According to the suggestion of Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of each sub-district, determine the professional corresponding wireless resource scheduling information of cooperative multipoint transmission.
In the technical program, RAB information comprises the radio bearer sign, the transport layer address, and the QoS information of cooperative multipoint transmission business, UE supports maximum bit rate, MME UES1 AP ID, and/or eNB UE S1 AP ID; The step that the indication cooperation cell is carried out access layer configuration according to RAB information specifically comprises: the indication cooperation cell is carried out the protocol configuration of PDCP layer, rlc layer and MAC layer according to radio bearer information.
In the technical program, the step that the indication cooperation cell is carried out access layer configuration according to RAB information also comprises: the indication cooperation cell is carried out the protocol configuration of Signaling Radio Bearer and/or Data Radio Bearer according to RAB information.
Preferably, in the technical program, the user terminal that reports according to Serving cell is to measuring the measurement report of each sub-district in the set of cells, the step of obtaining the cooperation cell set that participates in the cooperative multipoint transmission business specifically comprises: according to the measurement report that Serving cell reports, judge whether to carry out the cooperative multipoint transmission business; Carry out the cooperative multipoint transmission business if desired,, obtain the alternative cooperation cell set that participates in the cooperative multipoint transmission business, send the cooperative multipoint transmission inquiry to alternative cooperation cell then according to measurement report and preset configuration; According to of the response of alternative cooperation cell, obtain the cooperation cell set that participates in the cooperative multipoint transmission business to the cooperative multipoint transmission inquiry; If do not need to carry out the cooperative multipoint transmission business, then send the message that does not need to carry out the cooperative multipoint transmission business to Serving cell.
Preferably, in the technical program, the cooperative multipoint transmission request that reports according to Serving cell, the step of obtaining the cooperation cell set that participates in the cooperative multipoint transmission business can also comprise before: after Serving cell receives service request, obtain user terminal to measuring the measurement report of each sub-district in the set of cells; According to measurement report and preset configuration, judge whether to carry out the cooperative multipoint transmission business; If do not need to carry out the cooperative multipoint transmission business, then Serving cell carries out business separately; Carry out the cooperative multipoint transmission business if desired,, generate alternative cooperation cell set, send the cooperative multipoint transmission request, comprise the set of measurement report and/or alternative cooperation cell in the cooperative multipoint transmission request then according to measurement report.The cooperative multipoint transmission request that reports according to Serving cell, the step of obtaining the cooperation cell set that participates in the cooperative multipoint transmission business specifically comprises: the cooperative multipoint transmission request according to Serving cell reports sends the cooperative multipoint transmission inquiry to alternative cooperation cell; According to of the response of alternative cooperation cell, obtain the cooperation cell set that participates in the cooperative multipoint transmission business to the cooperative multipoint transmission inquiry.
In the technical program, if the access layer configuration of Serving cell and RAB information do not match, set up cooperation cell and can also comprise: set up the RAB of Serving cell the cooperative multipoint transmission business to after the step of the RAB of cooperative multipoint transmission business; The indication Serving cell carries out access layer configuration according to RAB information.
In the technical program, set up cooperation cell the step of the RAB of cooperative multipoint transmission business is specifically comprised: directly set up the RAB of cooperation cell the cooperative multipoint transmission business; Or set up the RAB of cooperation cell to the cooperative multipoint transmission business by mobile management entity.
Preferably, in the technical program, indication Serving cell and cooperation cell be according to identical wireless resource scheduling information, carries out also comprising after the step of cooperative multipoint transmission business: obtain user terminal to measuring the measurement report of each sub-district in the set of cells; According to measurement report and preset configuration, judge in the cooperation cell set whether have the sub-district that does not meet the condition that participates in the cooperative multipoint transmission business; If exist, then send the CoMP abort message, and from the cooperation cell set, delete this sub-district to this cooperation cell.
Preferably, in the technical program, indication Serving cell and cooperation cell be according to identical wireless resource scheduling information, carries out can also comprising after the step of cooperative multipoint transmission business: obtain user terminal to measuring the measurement report of each sub-district in the set of cells; According to measurement report and preset configuration, judge whether to proceed the cooperative multipoint transmission business; If do not need to proceed the cooperative multipoint transmission business, send the message that cooperative multipoint transmission is ended to cooperation cell; The message that cooperation cell is ended according to cooperative multipoint transmission discharges the Radio Resource carrying, and postbacks cooperative multipoint transmission termination response.
In the technical program, cooperative multipoint transmission is professional to be to belong to different base station, the cooperative multipoint transmission business between sub-district and the sub-district.
In the technical program, cooperation cell can be one or more.
For achieving the above object, according to another aspect of the present invention, a kind of cooperation functional entity of cell resource scheduling is provided, it is characterized in that, comprise: select module, the user terminal that is used for reporting according to Serving cell obtains the cooperation cell set that participates in the cooperative multipoint transmission business to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells; Module is set up in carrying, is used for setting up the RAB of cooperation cell to the cooperative multipoint transmission business according to the professional corresponding RAB information of cooperative multipoint transmission; The access layer configuration module is used to indicate cooperation cell to carry out access layer configuration according to RAB information; Scheduler module is used for determining the professional corresponding wireless resource scheduling information of cooperative multipoint transmission, and indication Serving cell and cooperation cell are carried out the cooperative multipoint transmission business according to identical wireless resource scheduling information; First interface module is used for the Signalling exchange between responsible cooperation functional entity and Serving cell, the cooperation cell.
Preferably, in the technical program, cooperation functional entity can also comprise: the Radio Resource Coordination module is used for being responsible for the coordination of Radio Resource between this cooperation functional entity and other cooperation functional entities; Second interface module is used for being responsible for Radio Resource and coordinates the mutual of signaling.
In the technical program, wireless resource scheduling information comprises modulation coding information and running time-frequency resource information.
Preferably, in the technical program, scheduler module further can comprise: schedule information is obtained submodule, is used to obtain the suggestion of Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of each sub-district; Schedule information is determined submodule, is used for according to the suggestion of Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of each sub-district, determines the wireless resource scheduling information of cooperative multipoint transmission business.
Preferably, in the technical program, cooperation functional entity can also comprise: monitoring module is used for obtaining user terminal to measuring the measurement report of each sub-district of set of cells; First judge module according to measurement report and preset configuration, judges in the cooperation cell set whether have the sub-district that does not meet the condition that participates in the cooperative multipoint transmission business; The automatic update module of cooperation cell if there is above-mentioned cooperation cell, is then sent the CoMP abort message to this sub-district, and deletes this sub-district from the cooperation cell set.
For achieving the above object, according to another aspect of the present invention, a kind of system of cell resource scheduling is provided, comprise serving BS, cooperation functional entity, cooperative base station, wherein: serving BS, promptly receive the base station of teleservice request, after being used to receive service request, to cooperation functional entity report of user terminal to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells; Cooperation functional entity, be used for according to the user terminal of serving base stations report measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells, obtain the cooperation cell set that participates in the cooperative multipoint transmission business, according to the professional corresponding RAB information of cooperative multipoint transmission, set up the RAB of cooperative base station to the cooperative multipoint transmission business, the indication cooperative base station is carried out access layer configuration according to RAB information, determine the professional corresponding wireless resource scheduling information of cooperative multipoint transmission, indication serving BS and cooperative base station are carried out the cooperative multipoint transmission business according to identical wireless resource scheduling information; Cooperative base station, promptly the base station that cooperation cell belonged to is used for according to RAB information RAB being carried out access layer configuration; According to wireless resource scheduling information, the cooperative multipoint transmission business is carried out in the assistance services base station.
Preferably, in the technical program, cooperation functional entity can be for one or more.
Preferably, in the technical program, cooperation functional entity can be provided with or be positioned at serving BS separately.
The method of the cell resource scheduling of various embodiments of the present invention, cooperation functional entity and system, by increasing cooperation functional entity, to needs cooperation transmission data synchronization, disturb between the realization different base station sub-district, improve wireless resource utility efficiency thereby reduce inter-cell user.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention jointly with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of prior art Cell Edge User received signal;
Fig. 2 is the flow chart of the embodiment of the invention one cell resource scheduling method;
Fig. 3 is the schematic diagram of the embodiment of the invention three Cell Edge User received signals;
Fig. 4 is for judging whether to carry out the flow chart of CoMP business in the embodiment of the invention four cell resource scheduling methods;
Fig. 5 is the flow chart of the embodiment of the invention five cell resource scheduling methods;
Fig. 6 is the schematic diagram of the professional PDU synchronous transmission of the embodiment of the invention five cell resource scheduling method CoMP;
Fig. 7 is the schematic diagram of the cooperation functional entity (CCE entity) of the embodiment of the invention six cell resource schedulings;
Fig. 8 is the logical architecture schematic diagram of the embodiment of the invention six sub-districts and cooperation functional entity;
Fig. 9 is the schematic diagram of C2 interface between the cooperation functional entity in the cooperation functional entity of the embodiment of the invention six cell resource schedulings.
Mark the following drawings mark thereon in conjunction with the accompanying drawings:
602-selects module; Module is set up in the 604-carrying;
606-access layer configuration module; The 608-scheduler module;
610-first interface module; 612-Radio Resource Coordination module;
614-second interface module.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described, should be appreciated that embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Embodiment one
The CoMP technology can not be supported in the different base station minizone of existing 2G, 3G system, can't realize that the resource of a plurality of minizones control plane unites the identical configuration of distribution, higher-layer protocols, and the data sync of user plane is transmitted and processing, can not improve the service experience of Cell Edge User.
The present invention is based on the standardization effort of mobile communication system development and performing coordinated scheduling technology, in conjunction with existing system to CoMP function and mechanism, comprise performing coordinated scheduling mechanism, upper-layer protocol control signaling design and based on the present situation of the aspect vacancies such as protocol stack arrangement of CoMP, the cooperative scheduling entity (CoMP Coordination Entity is called for short the CCE entity) of the CoMP business between different base station that realizes has creatively been proposed.Fig. 2 is the flow chart of the embodiment of the invention one cell resource scheduling method.As shown in Figure 2, present embodiment comprises:
Step S102: the user terminal that reports according to Serving cell obtains the cooperation cell set of CoMP participating business to measuring the measurement report or the CoMP service request of each sub-district in the set of cells;
Step S104:, set up the RAB of cooperation cell to the CoMP business according to the professional corresponding RAB information of CoMP;
Step S106: the indication cooperation cell is carried out access layer configuration according to RAB information;
Step S108: determine the wireless resource scheduling information that CoMP is professional corresponding, indication Serving cell and cooperation cell are carried out the CoMP business according to identical wireless resource scheduling information.
In the present embodiment, step S102～S108 can be undertaken by newly-increased CCE entity.This entity is a logic entity, and its physics realization mode can be positioned at inside of base station, also can be separately as a network element setting.Wherein, the CCE entity just is engaged in the function of control plane, does not need to participate in the transmission of datum plane.
Among present embodiment and following each embodiment, the CoMP business refers to belong to different base station, the cooperative multipoint transmission business between sub-district and the sub-district, for example: in the required high speed Internet access business of carrying out of the UE of two sub-district intersections.Serving cell is the sub-district of the practical business request that receives UE, and cooperation cell is carried out the sub-district of above-mentioned business for the assistance services sub-district, and cooperation cell can be for one or more.
Among present embodiment and following each embodiment, for unified with respective standard, adopt the expression method of " Serving cell " and " cooperation cell ", real system is in service, and " Serving cell " and " cooperation cell " should correspond respectively to " serving BS " and " cooperative base station ".The Signalling exchange of sub-district and CCE entity is actually the base station that the sub-district belongs to and the Signalling exchange of CCE entity; The RAB of the CoMP business of setting up at cooperation cell or Serving cell is actually corresponding base station and sets up RAB to the CoMP business.The result that the indication cooperation cell is carried out access layer configuration according to RAB information is: serving BS and the result of cooperative base station to the identical access layer configuration of the professional final formation of this CoMP promptly are implemented in the identical data of transmission on the identical running time-frequency resource.
In the present embodiment, determine the step of RAB information and wireless resource scheduling information, can be arranged at other suitable positions in the flow process, as long as thought according to the invention should be included within protection scope of the present invention equally.
Present embodiment has been realized the cooperative base station of carrying out the CoMP business has been carried out identical access layer configuration with serving BS, and based on identical resource scheduling information, between the different base station sub-district data that need cooperation transmission have been realized synchronously, thereby reduced the inter-cell user interference, improved wireless resource utility efficiency.
Embodiment two
Wireless resource scheduling information comprises modulation coding information and running time-frequency resource information.In the present embodiment, determine that the professional corresponding wireless resource scheduling information of CoMP is: obtain the suggestion of Serving cell, and/or measure Radio Resource operating position, the loading condition of each sub-district in the set of cells to wireless resource scheduling; According to the suggestion of Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of interior each sub-district of measurement set of cells, determine the professional corresponding wireless resource scheduling information of CoMP.
In the present embodiment, measure Radio Resource operating position, the loading condition of each sub-district in the set of cells, Serving cell need be sent to the CCE entity in advance to the suggestion of wireless resource scheduling.
Present embodiment is illustrated the particular content and the acquisition methods of wireless resource scheduling information, have whole beneficial effects of embodiment one, and exploitativeness is stronger.
Embodiment three
In the present embodiment, RAB information comprises: radio bearer sign, i.e. E-RABID; The transport layer address; The professional corresponding QoS information of CoMP; UE supports maximum bit rate; MME UE S1 AP ID; ENB UE S1 AP ID; The configuration information that SRB and/or DRB etc. are relevant with setting up radio bearer.Wherein, the step that the indication cooperation cell is carried out access layer configuration according to RAB information specifically comprises: the indication cooperation cell is carried out the protocol configuration of PDCP layer, rlc layer and MAC layer according to above-mentioned radio bearer information, and/or carries out the protocol configuration of Signaling Radio Bearer and Data Radio Bearer.In addition, above-mentioned RAB information can not guarantee necessarily all can dispose, and in actual environment, the viewing system situation may be to carry out corresponding access layer configuration at a part of information wherein.
In the prior art, be responsible for setting up RAB by mobile management entity (Mobile Management Entity is called for short MME).For being complementary with prior art, the CCE entity can be set up the RAB of cooperation cell to the CoMP business by MME.In addition, the CCE entity also can directly be set up the RAB of cooperation cell to the CoMP business.Foundation specifically comprises the step of the RAB of CoMP service request: send RAB to cooperation cell and set up request, have cooperation cell in this message and set up the information of radio bearer needs, comprise the radio bearer sign, be E-RAB ID, the transport layer address, the QoS information of CoMP business, UE supports maximum bit rate, MME UE S1 AP ID, and/or eNB UES1 AP ID; Cooperation cell is set up according to RAB and is asked to set up RAB, and postbacks RAB foundation response.
In the present embodiment, if the access layer configuration of Serving cell and RAB information do not match, can also comprise after setting up the step of cooperation cell: set up the RAB of Serving cell the CoMP business to the corresponding professional RAB of CoMP service request; The indication Serving cell carries out access layer configuration according to RAB information.In addition, the step that the step that Serving cell and cooperation cell are carried out access layer configuration not necessarily must limit according to present embodiment also can be carried out, simultaneously as long as thought according to the invention should be included within protection scope of the present invention equally.
The CCE entity directly or by MME is configured the Access Layer of Serving cell and cooperation cell, and concrete access layer configuration information is as follows: 1. PDCP layer configuration; 2. rlc layer configuration; 3. MAC layer configuration.
Among present embodiment and following each embodiment, Serving cell and cooperation cell are the sub-district of adhering to different base station separately, and the Access Layer of sub-district is configured, and be actually corresponding base station is carried out access layer configuration.
Fig. 3 is the schematic diagram of the embodiment of the invention three Cell Edge User received signals.Get up by the CCE entity relationship in base station 1 and base station 2, neighbor cell carries out the CoMP business for the client of cell edge, and by Fig. 1 and Fig. 3 contrast as can be known, noise signal originally changes useful signal into, and the signal of user terminal is played humidification.Present embodiment has been described in detail the foundation of RAB and the configuration of Access Layer, realizes between a plurality of sub-districts needs cooperation transmission data synchronization has been reduced the inter-cell user interference based on the advantage of CoMP business, has improved wireless resource utility efficiency.
Embodiment four
Among the present invention, before carrying out cell resource scheduling, need analyze, judge whether it needs to carry out the CoMP business the concrete state of user terminal.For example, when user terminal is positioned at the intersection of two base station cells, the dtr signal of Serving cell is lower than certain predetermined threshold value, just need carry out the CoMP business.Fig. 4 is for judging whether to carry out the flow chart of CoMP business in the embodiment of the invention four cell resource scheduling methods.As shown in Figure 4, present embodiment comprises:
Step S402: after Serving cell receives service request, obtain user terminal to measuring the measurement report of each sub-district in the set of cells;
Step S404: according to measurement report and preset configuration, judge whether to carry out the CoMP business, in this way, execution in step S406, otherwise, execution in step S412;
Step S406: according to measurement report, generate alternative cooperation cell set, send the CoMP service request, comprise the set of measurement report and alternative cooperation cell in the CoMP service request to the CCE entity;
The CoMP service request that step S408:CCE entity reports according to Serving cell sends the professional inquiry of CoMP to alternative cooperation cell;
Step S410: according to the response of alternative cooperation cell to the professional inquiry of CoMP, obtain the cooperation cell set of CoMP participating business, flow process finishes;
Step S412: carry out business separately by Serving cell, flow process finishes.
Behind the present embodiment step S410, carry out the operation of step S104～step S108 among the embodiment one, carry out the CoMP business.In the present embodiment, step S402～step S406 is carried out by Serving cell, and step S408～step S412 is undertaken by the CCE entity.Before the step S408, the CCE entity can also comprise the step that the CoMP service request is verified, if agree, and execution in step S408～step S412 then, otherwise, the CoMP service request of denial of service sub-district.
In addition, step S404～step S406 also can be undertaken by the CCE entity, be that Serving cell directly is forwarded to the CCE entity with user terminal to the measurement report of measuring each sub-district in the set of cells, whether carry out the judgement of CoMP business by the CCE entity, and the step of alternative cooperation cell set generation.As long as thought according to the invention is included within protection scope of the present invention equally.
In the present embodiment, the broadcast that user terminal receives each sub-district obtains the set of cells that need measure, measures the signal strength signal intensity of each sub-district, generates measurement report, and measurement report reported to Serving cell, Serving cell judges whether that according to measurement report needs carry out the CoMP business.After Serving cell and cooperation cell are carried out the CoMP business, the CCE entity can periodically obtain the measurement report of user terminal from Serving cell, according to up-to-date measurement report and preset configuration, judge whether to exist the cooperation cell that does not meet CoMP participating professional qualification, the rapid variation of the signal of this cooperation cell for example, if exist, then send CoMP suspension of service message, and from the cooperation cell set, delete this sub-district to this cooperation cell.According to up-to-date measurement report and preset configuration, the CCE entity judges also whether the CoMP business continues, if it is unnecessary that carry out the CoMP business this moment, for example the user terminal business of carrying out is undertaken satisfying business need by Serving cell, then the CCE entity is to the message of the cooperation cell transmission CoMP suspension of service, and cooperation cell discharges the Radio Resource carrying according to the message of the CoMP suspension of service, and postback CoMP suspension of service response, carry out business separately by Serving cell.Its realization flow and Fig. 4 are similar, no longer repeat herein.
Present embodiment judges whether to carry out the CoMP business according to the measurement report and the preset configuration of user terminal, and in conjunction with preset configuration, determines the sub-district of CoMP participating business on the basis of embodiment one.Present embodiment has whole beneficial effects of embodiment one, no longer repeats herein, in addition, and the technical scheme of embodiment one that present embodiment is perfect, and exploitativeness is stronger.
Embodiment five
Present embodiment will carry out combination and refinement to the step of the various embodiments described above, and cell resource scheduling method of the present invention is elaborated.Fig. 5 is the flow chart of the embodiment of the invention five cell resource scheduling methods.As shown in Figure 5, eNB1 is the base station that Serving cell belonged to, and eNB2 is the base station that cooperation cell belonged to.Present embodiment comprises:
Step S502: after receiving service request, the base station eNB 1 that Serving cell belonged to is obtained user terminal to measuring the measurement report of each sub-district in the set of cells;
Step S504: according to measurement report and preset configuration, judge whether to carry out the CoMP business, in this way, execution in step S506; Otherwise, carry out above-mentioned business separately by eNB1, flow process finishes;
Step S506:, generate alternative cooperation cell set according to measurement report;
Step S508: send the CoMP service request to the CCE entity, comprise the set of measurement report and alternative cooperation cell in the CoMP service request;
Step S510:CCE entity is verified the CoMP service request, if agree to carry out CoMP business, then execution in step S512; Otherwise the CoMP service request of refusal eNB1 is carried out above-mentioned business separately by eNB1, and flow process finishes;
The CoMP service request that step S512:CCE entity reports according to eNB1 sends the professional inquiry of CoMP to alternative cooperation cell;
Step S514: carry out CoMP and handle if cooperation cell is agreed cooperation, then postback the CoMP inquiry response messages; If cooperation cell is disagreed with cooperation and is carried out CoMP and handle, then send the CoMP failure response, the CCE entity is this sub-district of deletion from alternative cooperation cell set, promptly according to of the response of alternative cooperation cell to the professional inquiry of CoMP, obtain the cooperation cell set of CoMP participating business, herein, be that the base station that cooperation cell belonged to is an example with eNB2;
Step S516: determine the professional corresponding RAB information of CoMP, RAB information comprises the radio bearer sign, be E-RAB ID, the transport layer address, CoMP QoS of survice information, UE supports maximum bit rate, MME UE S1 AP ID, eNB UES1 AP ID, the configuration informations relevant such as SRB and/or DRB with setting up radio bearer;
Step S518:CCE entity sends E-RAB to eNB2 and sets up request according to the agreement setting and the treatment mechanism of CoMP Business Processing, for the CoMP business is set up the E-RAB carrying; Can be that the CoMP business is set up the E-RAB carrying at eNB2 by MME also by the CCE entity;
Step S520:eNB2 sends E-RAB to the CCE entity and sets up response;
Step S522: send RAB information to eNB2, indicate it to carry out the protocol configuration of corresponding PDCP layer, rlc layer and MAC layer according to RAB information;
Step S524:CCE entity obtains Radio Resource operating position, loading condition and/or the resource report of measuring each sub-district in the set of cells; According to Radio Resource operating position, loading condition and/or the resource report of each sub-district, determine CoMP professional corresponding running time-frequency resource information and modulation coding mode information;
Step S526:CCE entity is sent to eNB1 and eNB2 with running time-frequency resource information and modulation coding mode information,
Step S528:eNB1 and eNB2 carry out the CoMP business according to above-mentioned running time-frequency resource information and modulation coding mode information;
Step S530: carry out in the process in the CoMP business, eNB1 obtains the measurement report of user terminal to each sub-district in the measurement set of cells at any time, and sends measurement report to the CCE entity;
Step S532:CCE entity is according to measurement report and preset configuration, judge the cooperation cell that whether has the condition that does not meet the CoMP participating Business Processing in the cooperation cell set, if exist, then send CoMP suspension of service message to this cooperation cell, and from the cooperation cell set, delete this sub-district, promptly dynamically adjust the cooperation cell set;
Step S534:CCE entity judges whether to proceed the CoMP business according to measurement report and preset configuration, in this way, and execution in step S528; Otherwise, execution in step S536;
Step S536:, indicate eNB2 to stop the CoMP business to the message that eNB2 sends the CoMP suspension of service; And indication eNB1 carries out above-mentioned business separately, the flow process end.
Among present embodiment step S516～S522, when the access layer configuration of service cell eNB 1 and RAB information do not match, the CCE entity is set up the RAB of eNB1 to the CoMP business, and indication eNB1 carries out access layer configuration according to RAB information, with identical, no longer repeat at embodiment three herein.In the present embodiment, the situation that has a plurality of cooperation cell similarly no longer repeats herein.
In the present embodiment, the CCE entity is after the cell configuration of CoMP participating business has been got well E-RAB carrying and Access Layer agreement, each cooperation cell just can be carried out the CoMP business according to running time-frequency resource information and modulation coding mode information, suppose by the S1-U/X2-U interface and carry out k protocol Data Unit of inter-cell user data (Protocol Data Unit, abbreviation PDU) transmission then constantly can be according to the time t of this packet arrival for the scheduling of k data PDU
k Rx, the scheduling interval of scheduling strategy decision, the interface transmission time is T
Delay, and the size of professional service speed, packet can obtain CoMP PDU can be simultaneously after the MAC layer is submitted or is carried out cascade to time t that the MAC layer is submitted
k Tx, at last MAC PDU is mapped to physical layer resources after physical layer process and carries out synchronous transmission.Fig. 6 is the schematic diagram of the professional PDU synchronous transmission of the embodiment of the invention five local resource method dispatching method CoMP.As shown in Figure 6, packet P1 and P2 are less, transmit after the cascade; Packet P3 is bigger, directly transmits.Serving cell transmits identical data with cooperation cell by CoMP is professional, thereby improves the signal quality that user terminal is received.
Technical scheme that present embodiment is further perfect is carried out identical access layer configuration to Serving cell and cooperation cell and is transmitted data.Present embodiment has proposed the local resource collocation method based on performing coordinated scheduling, proposed to realize the control signaling design of minizone cooperation transmission, make communication system can effectively support the CoMP business, can make the minizone to finish performing coordinated scheduling and data synchronization transmission by relevant interface and agreement, effectively reduce inter-cell user and disturb, improved wireless resource allocation efficient and utilance.
Embodiment six
Present embodiment discloses a kind of cooperation functional entity of cell resource scheduling, i.e. the CCE entity.Its function comprises: the Radio Resource of 1. being responsible between each sub-district is coordinated and management function, realize that each sub-district adopts identical processing scheme to the distribution aspect of the E-RAB foundation of radio bearer, Access Layer protocol configuration, running time-frequency resource, to realize the transmission of CoMP data synchronization; 2. be responsible for foundation, the transmission of process signaling, the end operation of the cooperation transmission CoMP process of minizone, comprise the control plane communication signaling of coordinating between each cooperation cell, set up each cooperation cell the E-RAB of UE is set up process; 3. be responsible for CoMP participating transfer of data user and match strategy, federated resource scheduling strategy, comprise physical layer running time-frequency resource information, modulation coding mode.
Fig. 7 is the schematic diagram of the cooperation functional entity (CCE entity) of the embodiment of the invention six cell resource schedulings.As shown in Figure 7, present embodiment comprises: select module 602, the user terminal that is used for reporting according to Serving cell obtains the cooperation cell set of CoMP participating business to measuring the measurement report or the CoMP service request of each sub-district in the set of cells; Module 604 is set up in carrying, is used for the professional corresponding RAB information according to CoMP, sets up the RAB of cooperation cell to the CoMP business; Access layer configuration module 606 is used to indicate cooperation cell to carry out access layer configuration according to RAB information; Scheduler module 608 is used for determining the professional corresponding wireless resource scheduling information of CoMP, and indication Serving cell and cooperation cell are carried out the CoMP business according to identical wireless resource scheduling information; First interface module 610 is used for the Signalling exchange between responsible cooperation functional entity and Serving cell, the cooperation cell.
Among present embodiment and following each embodiment, for unified with respective standard, adopt the expression method of " Serving cell " and " cooperation cell ", real system is in service, and " Serving cell " and " cooperation cell " should correspond respectively to " serving BS " and " cooperative base station ".The Signalling exchange of sub-district and CCE entity is actually the base station that the sub-district belongs to and the Signalling exchange of cooperation functional entity; The RAB of the CoMP business of setting up at cooperation cell or Serving cell is actually corresponding base station and sets up RAB to the CoMP business.The result that the indication cooperation cell is carried out access layer configuration according to RAB information is: serving BS and the result of cooperative base station to the identical access layer configuration of the professional final formation of this CoMP promptly are implemented in the identical data of transmission on the identical running time-frequency resource.
Fig. 8 is the logical architecture schematic diagram of the embodiment of the invention six sub-districts and cooperation functional entity.As shown in Figure 8, communication interface-first interface module is set between CCE entity and each base station, it is the C1 interface, this interface is a logic interfacing, be responsible for foundation, control and the end of each base station CoMP process, do not carry out the message transmission of CCE entity to the message transmission on cell data plane and CCE entity to UE.As logical functional entity, the CCE entity can be used as the independent network element setting of Access Network, also can be positioned at eNB or MME entity, under this network architecture, the C1 interface can utilize X2 interface or the S1 interface in the existing LTE system to realize, interface protocol can be X2-C or S1-C protocol, and application layer protocol can be X2AP or S1AP agreement, and host-host protocol can be Stream Control Transmission Protocol.The C1 interface is responsible for the relevant signaling transmission of foundation, control and end of each sub-district CoMP process, and specifically, the signaling of C1 interface transmission is:
1. E-RAB sets up relevant information;
2. UE contextual information;
3. radio-resource-configuration (Radio resource configuration);
4. access layer configuration information comprises: the configuration information of PDCP layer, rlc layer, MAC layer.
When existence belongs to same sub-district under the control of different CCE entities and has participated in two or more CCE entities and carry out the cooperation transmission of data, the CCE entity of each control CoMP set need communicate, to coordinate wireless resource scheduling information, make this sub-district use different Radio Resources to carry out transfer of data for different CoMP set.In the present embodiment, as shown in Figure 7, the CCE entity can also comprise: Radio Resource Coordination module 612 is used for being responsible for the coordination of Radio Resource between this cooperation functional entity and other cooperation functional entities; Second interface module 614 is used for being responsible for Radio Resource and coordinates the mutual of signaling.Second interface module 614 is called for short the C2 interface, and the signaling of its transmission is: 1. CoMP Cooperating cell set list (cooperation cell aggregate list); 2. information of radio resource allocation (dispatching cycle, the PRB assignment information, MCS).Fig. 9 is the schematic diagram of C2 interface between the cooperation functional entity in the cooperation functional entity of the embodiment of the invention six cell resource schedulings.As shown in Figure 9, can in a plurality of CoMP cooperating set, carry out resource coordination, avoid resource allocation conflict and interference by the C2 interface.
In the present embodiment, RAB information comprises: radio bearer sign, i.e. E-RABID, the transport layer address, the QoS information of CoMP business, UE supports maximum bit rate, MME UE S1 AP ID, eNB UE S1 AP ID, the configuration informations relevant such as SRB and/or DRB with setting up radio bearer; Access Layer comprises PDCP layer, rlc layer and MAC layer.Wireless resource scheduling information comprises modulation coding information and running time-frequency resource information.
The method that present embodiment is realized can be with reference to the related description of implementing one, and have whole beneficial effects of embodiment one, no longer repeat herein, and increased by second interface module of carrying out the cell radio resource schedule information between the CCE entity, thereby further increased the practicality of present embodiment.
Embodiment seven
In the present embodiment, cooperation functional entity can also comprise: monitoring module is used for obtaining user terminal to measuring the measurement report of each sub-district of set of cells; First judge module according to measurement report and preset configuration, judges in the cooperation cell set whether have the sub-district that does not meet CoMP participating professional qualification; The automatic update module of cooperation cell if there is above-mentioned cooperation cell, is then sent the CoMP abort message to this sub-district, and deletes this sub-district from the cooperation cell set.
In addition, cooperation functional entity can also comprise: second judge module, be used for according to measurement report and preset configuration, and judge whether to proceed the CoMP business; End module, if be used for not needing to proceed the CoMP business, the indication cooperation cell is ended the CoMP business, carries out needed business separately by Serving cell.
In the present embodiment, scheduler module is responsible for determining wireless resource scheduling information, may further include: schedule information is obtained submodule, is used to obtain the suggestion of Serving cell to wireless resource scheduling, and/or measures Radio Resource operating position, the loading condition of each sub-district in the set of cells; Schedule information is determined submodule, is used for according to the suggestion of Serving cell to wireless resource scheduling, and/or measures Radio Resource operating position, loading condition and/or the resource report of each sub-district in the set of cells, determines the professional corresponding wireless resource scheduling information of CoMP.
The method that present embodiment is realized can be with reference to the related description of implementing two, three, four, and has whole beneficial effects of the foregoing description, no longer repeats herein.
Embodiment eight
Present embodiment provides a kind of system of cell resource scheduling, comprising: serving BS, cooperative base station and cooperation functional entity, wherein:
Serving BS promptly receives the base station of teleservice request, after being used to receive service request, to cooperation functional entity report of user terminal to measuring the measurement report or the CoMP service request of each sub-district in the set of cells;
Cooperation functional entity is used for according to the user terminal of serving base stations report obtaining the cooperation cell set of CoMP participating business to measuring the measurement report or the CoMP service request of each sub-district in the set of cells; According to the professional corresponding RAB information of CoMP, set up the RAB of cooperative base station to the CoMP business; The indication cooperative base station is carried out access layer configuration according to RAB information; Determine the wireless resource scheduling information that CoMP is professional corresponding, indication serving BS and cooperative base station are carried out the CoMP business according to identical wireless resource scheduling information;
Cooperative base station, promptly the base station that cooperation cell belonged to is used for according to RAB information RAB being carried out access layer configuration; According to wireless resource scheduling information, the CoMP business is carried out in the assistance services base station.
In the present embodiment, cooperation functional entity further comprises: select module, be used for user terminal according to serving base stations report to measuring the CoMP service request of each sub-district in the set of cells, obtain the cooperation cell set that participates in the cooperative multipoint transmission business; Module is set up in carrying, is used for the professional corresponding RAB information according to CoMP, sets up the RAB of cooperative base station to the CoMP business; The access layer configuration module is used to indicate cooperative base station to carry out access layer configuration according to RAB information; Scheduler module is used for determining the professional corresponding wireless resource scheduling information of CoMP, and indication serving BS and cooperative base station are carried out the CoMP business according to identical wireless resource scheduling information; First interface module is used for the Signalling exchange between responsible cooperation functional entity and Serving cell, the cooperation cell.
In the present embodiment, cooperation functional entity can also comprise: the Radio Resource Coordination module is used for being responsible for the coordination of Radio Resource between this cooperation functional entity and other cooperation functional entities; Second interface module is used for being responsible for Radio Resource and coordinates the mutual of signaling.
In the present embodiment, cooperation functional entity can be the cooperation functional entity among embodiment six or the embodiment seven.Cooperation cell can be for one or more, and cooperation functional entity also can be for one or more.Cooperation functional entity can be provided with or be positioned at serving BS separately.The method that present embodiment is realized can be with reference to the related description of implementing four, five, and has whole beneficial effects of the foregoing description, no longer repeats herein.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc, CD, network node, scheduler.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (27)
1. the method for a cell resource scheduling is characterized in that, comprising:
The user terminal that reports according to Serving cell obtains the cooperation cell set that participates in the cooperative multipoint transmission business to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells;
According to the professional corresponding RAB information of described cooperative multipoint transmission, set up the RAB of cooperation cell to described cooperative multipoint transmission business;
Indicate described cooperation cell to carry out access layer configuration according to described RAB information;
Determine the professional corresponding wireless resource scheduling information of described cooperative multipoint transmission, indicate described Serving cell to carry out described cooperative multipoint transmission business according to identical wireless resource scheduling information with cooperation cell.
2. method according to claim 1 is characterized in that, described wireless resource scheduling information comprises modulation coding information and running time-frequency resource information.
3. method according to claim 2 is characterized in that, the step of the wireless resource scheduling information of the professional correspondence of described definite cooperative multipoint transmission specifically comprises:
Obtain of the suggestion of described Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of interior each sub-district of described measurement set of cells;
According to of the suggestion of described Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of interior each sub-district of described measurement set of cells, determine the professional corresponding wireless resource scheduling information of described cooperative multipoint transmission.
4. method according to claim 1 is characterized in that, described RAB information comprises the radio bearer sign, the transport layer address, the QoS information of described cooperative multipoint transmission business, UE supports maximum bit rate, MME UE S1 AP ID, and/or eNB UES1 AP ID;
The step that described indication cooperation cell is carried out access layer configuration according to RAB information specifically comprises: the indication cooperation cell is carried out the PDCP layer according to described radio bearer information, the protocol configuration of rlc layer and MAC layer.
5. method according to claim 4 is characterized in that, the step that described indication cooperation cell is carried out access layer configuration according to RAB information also comprises:
Indicate described cooperation cell to carry out the protocol configuration of Signaling Radio Bearer and/or Data Radio Bearer according to described RAB information.
6. according to each described method among the claim 1-5, it is characterized in that, the described user terminal that reports according to Serving cell is to measuring the measurement report of each sub-district in the set of cells, and the step of obtaining the cooperation cell set that participates in the cooperative multipoint transmission business specifically comprises:
According to the measurement report that described Serving cell reports, judge whether to carry out the cooperative multipoint transmission business;
Carry out the cooperative multipoint transmission business if desired,, obtain the alternative cooperation cell set that participates in the cooperative multipoint transmission business then according to described measurement report and preset configuration; Send the cooperative multipoint transmission inquiry to described alternative cooperation cell; According to of the response of alternative cooperation cell, obtain the cooperation cell set that participates in the cooperative multipoint transmission business to described cooperative multipoint transmission inquiry;
If do not need to carry out the cooperative multipoint transmission business, then send the message that does not need to carry out the cooperative multipoint transmission business to Serving cell.
7. according to each described method among the claim 1-5, it is characterized in that, the described cooperative multipoint transmission request that reports according to Serving cell, the step of obtaining the cooperation cell set that participates in the cooperative multipoint transmission business also comprises before:
After Serving cell receives service request, obtain user terminal to measuring the measurement report of each sub-district in the set of cells; According to described measurement report and preset configuration, judge whether to carry out the cooperative multipoint transmission business;
Carry out the cooperative multipoint transmission business if desired,, generate alternative cooperation cell set, send the cooperative multipoint transmission request, comprise the information of described alternative cooperation cell set in the described cooperative multipoint transmission request then according to described measurement report; If do not need to carry out the cooperative multipoint transmission business, then described Serving cell carries out described business separately;
Carry out the cooperative multipoint transmission business if desired, the then described cooperative multipoint transmission request that reports according to Serving cell, the step of obtaining the cooperation cell set that participates in described cooperative multipoint transmission business specifically comprises: the cooperative multipoint transmission request according to Serving cell reports sends the cooperative multipoint transmission inquiry to alternative cooperation cell; According to of the response of alternative cooperation cell, obtain the cooperation cell set that participates in the cooperative multipoint transmission business to described cooperative multipoint transmission inquiry.
8. according to each described method among the claim 1-5, it is characterized in that, if the access layer configuration of described Serving cell and described RAB information do not match, the described cooperation cell of setting up also comprises after the step of the RAB of cooperative multipoint transmission business:
Set up the RAB of Serving cell to the cooperative multipoint transmission business;
Indicate described Serving cell to carry out access layer configuration according to described RAB information.
9. according to each described method among the claim 1-5, it is characterized in that the described cooperation cell of setting up specifically comprises the step of the RAB of described cooperative multipoint transmission business:
Directly set up the RAB of cooperation cell to described cooperative multipoint transmission business;
Or set up the RAB of cooperation cell to described cooperative multipoint transmission business by mobile management entity.
10. method according to claim 9 is characterized in that, described foundation specifically comprises the step of the RAB of cooperative multipoint transmission business:
Send RAB to cooperation cell and set up request;
Described cooperation cell is set up according to described RAB and is asked to set up RAB, and postbacks RAB foundation response.
11., it is characterized in that described indication Serving cell and cooperation cell be according to identical wireless resource scheduling information according to each described method among the claim 1-5, carry out also comprising after the step of cooperative multipoint transmission business:
Obtain user terminal to measuring the measurement report of each sub-district in the set of cells;
According to described measurement report and preset configuration, judge whether to exist in the cooperation cell set not meet the cooperation cell that participates in cooperative multipoint transmission professional qualification;
If exist, then send the cooperative multipoint transmission abort message, and from the cooperation cell set, delete this sub-district to this cooperation cell.
12., it is characterized in that described indication Serving cell and cooperation cell be according to identical wireless resource scheduling information according to each described method among the claim 1-5, carry out also comprising after the step of cooperative multipoint transmission business:
Obtain user terminal to measuring the measurement report of each sub-district in the set of cells;
According to described measurement report and preset configuration, judge whether to proceed the cooperative multipoint transmission business;
If do not need to proceed cooperative multipoint transmission, send the cooperative multipoint transmission abort message to cooperation cell;
The message that cooperation cell is ended according to described cooperative multipoint transmission discharges the Radio Resource carrying, and postbacks cooperative multipoint transmission termination response.
13., it is characterized in that described cooperative multipoint transmission is professional to be to belong to different base station, the cooperative multipoint transmission business between sub-district and the sub-district according to each described method among the claim 1-5.
14., it is characterized in that described cooperation cell is one or more according to each described method among the claim 1-5.
15. the cooperation functional entity of a cell resource scheduling is characterized in that, comprising:
Select module, the user terminal that is used for reporting according to Serving cell obtains the cooperation cell set that participates in the cooperative multipoint transmission business to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells;
Module is set up in carrying, is used for setting up the RAB of described cooperation cell to described cooperative multipoint transmission business according to the professional corresponding RAB information of described cooperative multipoint transmission;
The access layer configuration module is used to indicate described cooperation cell to carry out access layer configuration according to described RAB information;
Scheduler module is used for determining the professional corresponding wireless resource scheduling information of described cooperative multipoint transmission, indicates described Serving cell and cooperation cell according to identical wireless resource scheduling information, carries out described cooperative multipoint transmission business;
First interface module is used for the Signalling exchange between responsible described cooperation functional entity and Serving cell, the cooperation cell.
16. cooperation functional entity according to claim 15 is characterized in that, also comprises:
The Radio Resource Coordination module is used for being responsible for the coordination of Radio Resource between this cooperation functional entity and other cooperation functional entities;
Second interface module is used for being responsible for described Radio Resource and coordinates the mutual of signaling.
17., it is characterized in that described wireless resource scheduling information comprises modulation coding information and running time-frequency resource information according to claim 15 or 16 described cooperation functional entities.
18. cooperation functional entity according to claim 17 is characterized in that, described scheduler module further comprises:
Schedule information is obtained submodule, is used to obtain the suggestion of described Serving cell to wireless resource scheduling, and/or Radio Resource operating position, the loading condition of interior each sub-district of described measurement set of cells;
Schedule information is determined submodule, be used for according to of the suggestion of described Serving cell wireless resource scheduling, and/or Radio Resource operating position, the loading condition of interior each sub-district of described measurement set of cells, determine the professional corresponding wireless resource scheduling information of described cooperative multipoint transmission.
19. according to claim 15 or 16 described cooperation functional entities, it is characterized in that,
Described RAB information specifically comprises: the radio bearer sign, and the transport layer address, the QoS information of described cooperative multipoint transmission business, UE supports maximum bit rate, MME UES1 AP ID, and/or eNB UE S1 AP ID;
Described access layer configuration specifically comprises: the protocol configuration of PDCP layer, rlc layer and MAC layer.
20. according to claim 15 or 16 described cooperation functional entities, it is characterized in that, also comprise:
Monitoring module is used for obtaining user terminal to measuring the measurement report of each sub-district of set of cells;
Whether first judge module according to described measurement report and preset configuration, is judged to exist in the cooperation cell set not meet the cooperation cell that participates in cooperative multipoint transmission professional qualification;
The automatic update module of cooperation cell if there is above-mentioned cooperation cell, is then sent the cooperative multipoint transmission abort message to this sub-district, and deletes this sub-district from the cooperation cell set.
21. cooperation functional entity according to claim 20 is characterized in that, also comprises:
Second judge module is used for according to described measurement report and preset configuration, judges whether to proceed the cooperative multipoint transmission business;
End module, if be used for not needing to proceed the cooperative multipoint transmission business, the indication cooperation cell is ended the cooperative multipoint transmission business.
22. the system of a cell resource scheduling is characterized in that, comprises serving BS, cooperation functional entity, and cooperative base station, wherein:
Described serving BS promptly receives the base station of teleservice request, after being used to receive service request, to cooperation functional entity report of user terminal to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells;
Described cooperation functional entity is used for according to the user terminal of serving base stations report obtaining the cooperation cell set that participates in the cooperative multipoint transmission business to measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells; According to the professional corresponding RAB information of described cooperative multipoint transmission, set up the RAB of cooperative base station to described cooperative multipoint transmission business; Indicate described cooperative base station to carry out access layer configuration according to described RAB information; Determine the professional corresponding wireless resource scheduling information of described cooperative multipoint transmission, indicate described serving BS and cooperative base station, carry out described cooperative multipoint transmission business according to identical wireless resource scheduling information;
Described cooperative base station, promptly the base station that cooperation cell belonged to is used for according to described RAB information described RAB being carried out access layer configuration; According to described wireless resource scheduling information, assist described serving BS to carry out described cooperative multipoint transmission business.
23. system according to claim 22 is characterized in that, described cooperation functional entity further comprises:
Select module, be used for user terminal according to serving base stations report, obtain the cooperation cell set that participates in the cooperative multipoint transmission business measuring the measurement report or the cooperative multipoint transmission request of each sub-district in the set of cells;
Module is set up in carrying, is used for setting up the RAB of cooperative base station to described cooperative multipoint transmission business according to the professional corresponding RAB information of described cooperative multipoint transmission;
The access layer configuration module is used to indicate described cooperative base station to carry out access layer configuration according to described RAB information;
Scheduler module is used for determining the professional corresponding wireless resource scheduling information of described cooperative multipoint transmission, indicates described serving BS and cooperative base station according to identical wireless resource scheduling information, carries out described cooperative multipoint transmission business;
First interface module is used for the Signalling exchange between responsible described cooperation functional entity and serving BS, the cooperative base station.
24. according to claim 22 or 23 described systems, it is characterized in that, also comprise:
The Radio Resource Coordination module is used for being responsible for the coordination of Radio Resource between this cooperation functional entity and other cooperation functional entities;
Second interface module is used for being responsible for described Radio Resource and coordinates the mutual of signaling.
25., it is characterized in that described cooperative base station is one or more according to claim 22 or 23 described systems.
26., it is characterized in that described cooperation functional entity is one or more according to claim 22 or 23 described systems.
27., it is characterized in that described cooperation functional entity is for being provided with separately or being positioned at serving BS according to claim 22 or 23 described systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910085138 CN101909321B (en) | 2009-06-02 | 2009-06-02 | Method, cooperation functional entity and system for cell resource scheduling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910085138 CN101909321B (en) | 2009-06-02 | 2009-06-02 | Method, cooperation functional entity and system for cell resource scheduling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101909321A true CN101909321A (en) | 2010-12-08 |
| CN101909321B CN101909321B (en) | 2013-04-24 |
Family
ID=43264607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910085138 Expired - Fee Related CN101909321B (en) | 2009-06-02 | 2009-06-02 | Method, cooperation functional entity and system for cell resource scheduling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101909321B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102595499A (en) * | 2011-01-11 | 2012-07-18 | 中兴通讯股份有限公司 | Method for UE (User Equipment) to build hybrid bearers in multiple cells |
| WO2012103772A1 (en) * | 2011-02-01 | 2012-08-09 | 中兴通讯股份有限公司 | Comp-based method and system for ue to access multiple cells |
| WO2012103760A1 (en) * | 2011-02-01 | 2012-08-09 | 中兴通讯股份有限公司 | Admission control method based on comp and base station |
| CN102638899A (en) * | 2011-02-11 | 2012-08-15 | 中兴通讯股份有限公司 | Method and system for establishing service bearer |
| CN102651916A (en) * | 2011-02-24 | 2012-08-29 | 中兴通讯股份有限公司 | Distributed wired interface data transmission method and system based on cooperative multi-point |
| CN102761912A (en) * | 2011-04-27 | 2012-10-31 | 中兴通讯股份有限公司 | Method and system for selecting coordination district from CoMP |
| WO2013075315A1 (en) * | 2011-11-24 | 2013-05-30 | 华为技术有限公司 | Signal transmission method and base station equipment |
| CN103596197A (en) * | 2012-08-14 | 2014-02-19 | 电信科学技术研究院 | A cell management method and apparatus under a local access point |
| WO2014026382A1 (en) * | 2012-08-17 | 2014-02-20 | 华为技术有限公司 | Data transmission method and device |
| CN104349389A (en) * | 2013-08-02 | 2015-02-11 | 上海贝尔股份有限公司 | Wireless carrier establishing method and wireless carrier establishing device |
| CN104427632A (en) * | 2013-09-11 | 2015-03-18 | 中兴通讯股份有限公司 | Method, device and system for data transmission scheduling |
| CN105101416A (en) * | 2014-05-07 | 2015-11-25 | 中兴通讯股份有限公司 | Cooperative multi-point transmission processing method and device, base station, and system thereof |
| CN107182058A (en) * | 2016-03-10 | 2017-09-19 | 中兴通讯股份有限公司 | A kind of method and apparatus of cell radio resource distribution |
| CN108124266A (en) * | 2016-11-28 | 2018-06-05 | 中国移动通信有限公司研究院 | A kind of uplink joint method of reseptance and base station |
| CN109327862A (en) * | 2012-07-20 | 2019-02-12 | 华为技术有限公司 | A kind of business transmitting method, equipment and system |
| CN109982397A (en) * | 2012-08-23 | 2019-07-05 | 交互数字专利控股公司 | It is operated in radio systems using multiple schedulers |
| US11363597B2 (en) | 2010-12-03 | 2022-06-14 | Interdigital Patent Holdings, Inc. | Methods, apparatus and systems for performing multi-radio access technology carrier aggregation |
| CN117082540A (en) * | 2023-06-01 | 2023-11-17 | 中国航空油料集团有限公司 | Multi-cell joint communication method and device of base station and base station |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138164A1 (en) * | 2007-05-10 | 2008-11-20 | Alcatel Shanghai Bell Company, Ltd. | Method for uplink transmission scheduling of wireless communication system and relevant device |
| CN101389115A (en) * | 2008-11-07 | 2009-03-18 | 北京工业大学 | Collaboration communication method for multi-cell base station dynamic clustering |
-
2009
- 2009-06-02 CN CN 200910085138 patent/CN101909321B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138164A1 (en) * | 2007-05-10 | 2008-11-20 | Alcatel Shanghai Bell Company, Ltd. | Method for uplink transmission scheduling of wireless communication system and relevant device |
| CN101389115A (en) * | 2008-11-07 | 2009-03-18 | 北京工业大学 | Collaboration communication method for multi-cell base station dynamic clustering |
Cited By (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11871391B2 (en) | 2010-12-03 | 2024-01-09 | Interdigital Patent Holdings, Inc. | Methods, apparatus and systems for performing multi-radio access technology carrier aggregation |
| US11363597B2 (en) | 2010-12-03 | 2022-06-14 | Interdigital Patent Holdings, Inc. | Methods, apparatus and systems for performing multi-radio access technology carrier aggregation |
| CN102595499B (en) * | 2011-01-11 | 2015-08-12 | 中兴通讯股份有限公司 | A kind of UE sets up the method for mixing carrying in multiple community |
| WO2012094940A1 (en) * | 2011-01-11 | 2012-07-19 | 中兴通讯股份有限公司 | Method for ue to establish hybrid bearer in a plurality of cells |
| CN102595499A (en) * | 2011-01-11 | 2012-07-18 | 中兴通讯股份有限公司 | Method for UE (User Equipment) to build hybrid bearers in multiple cells |
| WO2012103772A1 (en) * | 2011-02-01 | 2012-08-09 | 中兴通讯股份有限公司 | Comp-based method and system for ue to access multiple cells |
| WO2012103760A1 (en) * | 2011-02-01 | 2012-08-09 | 中兴通讯股份有限公司 | Admission control method based on comp and base station |
| CN102638899A (en) * | 2011-02-11 | 2012-08-15 | 中兴通讯股份有限公司 | Method and system for establishing service bearer |
| CN102651916A (en) * | 2011-02-24 | 2012-08-29 | 中兴通讯股份有限公司 | Distributed wired interface data transmission method and system based on cooperative multi-point |
| WO2012113259A1 (en) * | 2011-02-24 | 2012-08-30 | 中兴通讯股份有限公司 | Distributed wired interface data transmission method and system based on cooperative multi-point |
| CN102761912A (en) * | 2011-04-27 | 2012-10-31 | 中兴通讯股份有限公司 | Method and system for selecting coordination district from CoMP |
| CN102761912B (en) * | 2011-04-27 | 2017-05-03 | 中兴通讯股份有限公司 | Method and system for selecting coordination district from CoMP |
| WO2013075315A1 (en) * | 2011-11-24 | 2013-05-30 | 华为技术有限公司 | Signal transmission method and base station equipment |
| US9048886B2 (en) | 2011-11-24 | 2015-06-02 | Huawei Technologies Co., Ltd | Signal transmitting method and base station device |
| US9537627B2 (en) | 2011-11-24 | 2017-01-03 | Huawei Technologies Co., Ltd. | Signal transmitting method and base station device |
| CN109327861A (en) * | 2012-07-20 | 2019-02-12 | 华为技术有限公司 | A kind of business transmitting method, equipment and system |
| US11076399B2 (en) | 2012-07-20 | 2021-07-27 | Huawei Technologies Co., Ltd. | Service transmission method, device, and system in a wireless communication network |
| CN109327863A (en) * | 2012-07-20 | 2019-02-12 | 华为技术有限公司 | A kind of business transmitting method, equipment and system |
| CN109327862A (en) * | 2012-07-20 | 2019-02-12 | 华为技术有限公司 | A kind of business transmitting method, equipment and system |
| CN103596197A (en) * | 2012-08-14 | 2014-02-19 | 电信科学技术研究院 | A cell management method and apparatus under a local access point |
| CN103596197B (en) * | 2012-08-14 | 2016-09-14 | 电信科学技术研究院 | Cell management method under a kind of local access node and device |
| WO2014026382A1 (en) * | 2012-08-17 | 2014-02-20 | 华为技术有限公司 | Data transmission method and device |
| CN103828456B (en) * | 2012-08-17 | 2018-07-13 | 华为技术有限公司 | Data transmission method for uplink and device |
| CN103828456A (en) * | 2012-08-17 | 2014-05-28 | 华为技术有限公司 | Data transmission method and device |
| US11184942B2 (en) | 2012-08-23 | 2021-11-23 | Interdigital Patent Holdings, Inc. | Operating with multiple schedulers in a wireless system |
| US11716781B2 (en) | 2012-08-23 | 2023-08-01 | Interdigital Patent Holdings, Inc. | Operating with multiple schedulers in a wireless system |
| CN109982397A (en) * | 2012-08-23 | 2019-07-05 | 交互数字专利控股公司 | It is operated in radio systems using multiple schedulers |
| CN109982397B (en) * | 2012-08-23 | 2021-12-21 | 交互数字专利控股公司 | Operating with multiple schedulers in a wireless system |
| CN104349389B (en) * | 2013-08-02 | 2019-03-01 | 上海诺基亚贝尔股份有限公司 | Method and apparatus for establishing radio bearer |
| CN104349389A (en) * | 2013-08-02 | 2015-02-11 | 上海贝尔股份有限公司 | Wireless carrier establishing method and wireless carrier establishing device |
| CN104427632A (en) * | 2013-09-11 | 2015-03-18 | 中兴通讯股份有限公司 | Method, device and system for data transmission scheduling |
| CN104427632B (en) * | 2013-09-11 | 2019-11-26 | 中兴通讯股份有限公司 | Data transmission scheduling method, device and system |
| CN105101416A (en) * | 2014-05-07 | 2015-11-25 | 中兴通讯股份有限公司 | Cooperative multi-point transmission processing method and device, base station, and system thereof |
| CN107182058B (en) * | 2016-03-10 | 2019-11-05 | 中兴通讯股份有限公司 | A kind of method and apparatus of cell radio resource distribution |
| CN107182058A (en) * | 2016-03-10 | 2017-09-19 | 中兴通讯股份有限公司 | A kind of method and apparatus of cell radio resource distribution |
| CN108124266B (en) * | 2016-11-28 | 2021-11-19 | 中国移动通信有限公司研究院 | Uplink joint receiving method and base station |
| CN108124266A (en) * | 2016-11-28 | 2018-06-05 | 中国移动通信有限公司研究院 | A kind of uplink joint method of reseptance and base station |
| CN117082540A (en) * | 2023-06-01 | 2023-11-17 | 中国航空油料集团有限公司 | Multi-cell joint communication method and device of base station and base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101909321B (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101909321B (en) | Method, cooperation functional entity and system for cell resource scheduling | |
| CN107404755B (en) | Apparatus and method for cooperating with a plurality of base stations in wireless communication system | |
| EP3499923B1 (en) | Wireless-communication electronic device | |
| CN104488320B (en) | A kind of method for transmitting signals and equipment | |
| CN102164385B (en) | Switching method and relay node | |
| JP2017522786A (en) | Electronic device and wireless communication method on user device side in wireless communication system | |
| CN109392028B (en) | Data transmission method and device | |
| US10645703B2 (en) | Methods, infrastructure unit, base station and network unit | |
| CN105307220A (en) | D2D service switch implementation method and device | |
| US11395284B2 (en) | Method and apparatus of indicating alternative resource at collision of configured grants | |
| CN104955163B (en) | A kind of communication of mobile terminal control method, equipment and system | |
| WO2020259611A1 (en) | Communication method and apparatus, and storage medium | |
| JP7123939B2 (en) | Dual Directional Coordination in NR TDD Systems | |
| KR20040088010A (en) | Radio network controller peer-to-peer exchange of user equipment measurement information | |
| EP2826191A1 (en) | Wireless multi-flow communications in the uplink | |
| CN104982062A (en) | Data transmission method, apparatus and system | |
| CN104333896A (en) | Micro cell base station and method and system for adjusting sending power of micro cell base station | |
| CN103209472A (en) | Method and system for cooperative scheduling of inter-cell uplink interference coordination | |
| WO2015020034A1 (en) | Base station and communication control method | |
| WO2021134659A1 (en) | Method and device for relay transmission | |
| Kazi et al. | Coordinated multi-cell cooperation with user centric dynamic coordination station | |
| CN115136651A (en) | Switching method and communication device | |
| Zhao et al. | Dynamic and non-centric networking approach using virtual gateway platforms for low power wide area systems | |
| WO2023133518A1 (en) | Method and system for interface management for neighboring enterprise networks | |
| WO2012174828A1 (en) | Scheduling method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20210602 |