CN102025403A - Multipoint cooperative transmitting and receiving method, device and system - Google Patents
Multipoint cooperative transmitting and receiving method, device and system Download PDFInfo
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Abstract
The invention discloses a multipoint cooperative transmitting and receiving method, comprising: a CoMP service network node of user equipment (UE) sends a CoMP request message to a network node stored with data of the UE, so that the network node stored with data of the UE sends data of the UE to the CoMP service network node and a CoMP cooperative network node according to the CoMP request message, wherein the CoMP request message contains the identification of the UE and the identification of the CoMP network node of the UE; and the CoMP service network node provides CoMP service for the UE according to the received data of the UE. In the embodiment of the invention, the network node stored with data of the UE directly sends data to the CoMP cooperative network node, thus reducing data transmission delay and enhancing CoMP performance.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of multipoint cooperative method for transmitting and receiving, equipment and system.
Background technology
In wireless communication system, (Coordinated Multi-point transmission and Reception, CoMP) technology is to improve an important means of sub-district overall performance and community marginal user performance in multipoint cooperative emission/reception.The emission of descending multipoint cooperative is meant that launch point that a plurality of geographical position disperse is united and is subscriber equipment (User equipment, UE) send data, ascending multi-point collaboration receives and is meant that the acceptance point that a plurality of geographical position disperse receives the data of UE jointly and carries out Combined Treatment.
In the CoMP system, network node comprise enhanced base station (Evolved NodeB, eNB) and some access points (Access Point, AP), AP is a node that comprises radio-frequency (RF) transceiver at least, AP is last can to dispose the first or a plurality of antenna elements of individual antenna.A plurality of AP dispersed and distributed and be connected to eNB on the geographical position.In CoMP, a plurality of AP can cooperate and transmit and receive the UE data, and the AP of these cooperations can be from same eNB, also can be from different eNB.The relation of AP and traditional sub-district (cell) can be that a sub-district comprises an AP, or a sub-district comprises a plurality of AP.
Usually, when in a plurality of sub-districts being the UE service, UE can select a sub-district to carry the transmission of some control informations as Serving cell (Serving Cell), and other provides the sub-district of business information to be called cooperation cell.The base station at Serving cell place is the serving BS (serving eNB) of this UE, and the base station at other places, uplink coordinated sub-district is cooperative base station (Coordinated eNB).
When the AP under using different e NB to serve as UE, be called and stride base station (inter-eNB) CoMP, this moment, main method of servicing may include but not limited to:
Coordinated scheduling (Coordination Scheduling, CS)
Synchronization has only 1 eNB to send data for this UE, but passes through between the eNB to coordinate, thereby reduces to disturb, and improves the service quality of this UE.
2. fast cell selection (Fast Cell Selection, FCS)
Synchronization has only 1 service eNB to be that this UE sends data, but service eNB may conversion between CoMPeNB, promptly 1 sends data for eNBl to UE constantly, and 2 to be converted to eNB2 be these UE transmission data constantly.
Combined Treatment (Joint Processing, JP)
It is that UE sends data that synchronization has a plurality of eNB.
For FCS and JP, need to exist simultaneously on each CoMP eNB the downlink data of this UE, at existing Long Term Evolution (Long Term Evolution, LTE) in the system, serving eNB is after the data of the UE that receives the upper layer node transmission, by and eNB between the interface X2 interface these data are sent to Coordinated eNB, because in existing LTE system, the design of X2 interface is not to face mass data transmission and high delay requirement, therefore in the prior art, use the data of X2 interface transmission UE, data transmission capabilities is lower, and time delay is bigger, is difficult for satisfying performance requirements such as the transmission bandwidth of inter-eNB CoMP and time delay.In addition, when not having X2 interface between some eNB, can't realize inter-eNB CoMP.
Summary of the invention
Embodiments of the invention provide a kind of multipoint cooperative method for transmitting and receiving, equipment and system, can reduce data transmission delay.
Embodiments of the invention provide a kind of multipoint cooperative emission to receive the CoMP method, comprising:
The CoMP serving network node of user equipment (UE) sends the CoMP request message to the network node that stores described UE data, so that the described network node that stores described UE data sends the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
Described CoMP serving network node provides CoMP service according to the data of the described UE that receives for described UE.
Embodiments of the invention also provide a kind of multipoint cooperative emission to receive the CoMP method, comprising:
The network node that stores the user equipment (UE) data receives the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The described network node that stores described UE data sends the data of described UE according to described CoMP request message to described CoMP serving network node and CoMP collaborative network node, so that described CoMP serving network node and described CoMP collaborative network node provide CoMP service according to the data of the described UE that receives for described UE.
Embodiments of the invention also provide a kind of multipoint cooperative emission to receive the CoMP method, comprising:
After the network node that stores the user equipment (UE) data receives the CoMP request message, the CoMP collaborative network node of described UE receives the described data that store the network node of user equipment (UE) data according to the described UE of described CoMP request message transmission, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The CoMP collaborative network node of described UE provides CoMP service according to the data of the described UE that receives for described UE.
Embodiments of the invention also provide a kind of multipoint cooperative emission to receive CoMP serving network node equipment, comprising:
The request message transmitting element, be used for sending the CoMP request message to the network node that stores the user equipment (UE) data, so that the described network node that stores described UE data sends the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The one CoMP service unit is used for providing CoMP service according to the data of the described UE that receives for described UE.
Embodiments of the invention also provide a kind of user equipment (UE) data storage network node device, comprising:
The first request message receiving element is used to receive the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
First data transmission unit, be used for sending the data of described UE to described CoMP serving network node and described CoMP collaborative network node, so that described CoMP serving network node and described CoMP collaborative network node provide CoMP service according to the data of the described UE that receives for described UE according to described CoMP request message.
Embodiments of the invention also provide a kind of multipoint cooperative emission to receive CoMP collaborative network node device, comprising:
UE Data Receiving unit, be used for after the network node that stores the user equipment (UE) data receives the CoMP request message, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The 3rd CoMP service unit is used for providing CoMP service according to the described UE of data of the described UE that receives.
Embodiments of the invention also provide a kind of multipoint cooperative emission to receive the CoMP system, comprising:
CoMP serving network node equipment, be used for sending the CoMP request message to the apparatus for network node that stores the user equipment (UE) data, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, and provide CoMP service for described UE according to the data of the described UE that receives, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
CoMP collaborative network node device, be used for after the described network node that stores the user equipment (UE) data receives described CoMP request message, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, and provide CoMP service for described UE according to the data of the described UE that receives.
In the embodiment of the invention, the network node that stores the UE data directly sends data to CoMP collaborative network node, can reduce data transmission delay, strengthens the CoMP performance.
Description of drawings
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The flow chart of a kind of multipoint cooperative method for transmitting and receiving that Fig. 1 provides for the embodiment of the invention;
The flow chart of the another kind of multipoint cooperative method for transmitting and receiving that Fig. 2 provides for the embodiment of the invention;
The flow chart of another multipoint cooperative method for transmitting and receiving that Fig. 3 provides for the embodiment of the invention;
A kind of CoMP schematic network structure that Fig. 4 provides for the embodiment of the invention;
A kind of multipoint cooperative method for transmitting and receiving signaling process figure that Fig. 5 provides for the embodiment of the invention;
The another kind of CoMP schematic network structure that Fig. 6 provides for the embodiment of the invention;
The another kind of multipoint cooperative method for transmitting and receiving signaling process figure that Fig. 7 provides for the embodiment of the invention;
Another multipoint cooperative method for transmitting and receiving signaling process figure that Fig. 8 provides for the embodiment of the invention;
The structure chart of a kind of CoMP serving network node equipment that Fig. 9 provides for the embodiment of the invention;
The structure chart of a kind of UE data storage network node device that Figure 10 provides for the embodiment of the invention;
The structure chart of a kind of CoMP collaborative network node device that Figure 11 provides for the embodiment of the invention;
A kind of CoMP system construction drawing that Figure 12 provides for the embodiment of the invention;
A kind of CoMP request message structure figure that Figure 13 provides for the embodiment of the invention.
Embodiment
Embodiments of the invention provide a kind of multipoint cooperative method for transmitting and receiving, equipment and system, can reduce data transmission delay, strengthen the CoMP performance.For making technical scheme of the present invention and advantage clearer, embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, for a kind of multipoint cooperative emission receives the CoMP method, comprising:
S101, the CoMP serving network node of UE sends the CoMP request message to the network node that stores described UE data, makes the described network node that stores described UE data send the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message;
Wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message; The sign of UE can be UE S1-AP ID or international mobile subscriber identity (International Mobile Subscriber Identity, IMSI) or the UEID that represents of alternate manner; Concrete, the sign of UE can also be the service identification of UE, as bearing identification or Tunnel Identifier etc.; The sign of CoMP network node, can be Base Station Identification (eNB id), cell ID (cell id) or Physical Cell Identifier (Physical cell id) etc., in addition in this CoMP request message, can also comprise CoMP method information, the CoMP grade of cooperating, CoMP kind sequence number (CoMP index), or CoMP service type, as FCS, CS, JP sign etc.
Wherein, the UE data specifically can be that the sign by UE is identified, and for UE carries out the data that CoMP serves required use, can comprise business datum or control data,
Optionally, the CoMP serving network node of user equipment (UE) can directly send the CoMP request message to the network node that stores described UE data, the network node to storing described UE data that also can be indirect sends the CoMP request message, for example, described CoMP serving network node can be sent to described CoMP request message described CoMP collaborative network node, so that described CoMP collaborative network node is according to described CoMP request message, described CoMP request message is sent to the described network node that stores described UE data, or described CoMP request message handled, and the described CoMP request message after will handling is sent to the described network node that stores described UE data.When coming indirect transmission CoMP request message by CoMP collaborative network node, if CoMP collaborative network node self ability does not provide CoMP service, or by after handling the CoMP request message, judge the CoMP service that oneself can't satisfy corresponding cooperation grade, or judge when the CoMP that respective classes can't be provided oneself serves, this CoMP collaborative network node can not send to the network node that stores described UE data with this CoMP request message, in order to avoid the waste Internet resources.
The network node that stores described UE data is after receiving described CoMP request message, before the data that send described UE, can set up with described CoMP collaborative network data between nodes carrying and be connected, certainly, if the CoMP request message is by receiving and sending between CoMP collaborative network node, this Data-carrying connects and can set up before described CoMP collaborative network node sends the CoMP request message or simultaneously.After this carrying connects foundation, described CoMP serving network node can receive the described Data-carrying connection setup complete message that the described network node that stores described UE data sends, the CoMP serving network node can know in advance whether CoMP collaborative network node can receive the data of UE like this, so that begin follow-up CoMP service.
Optionally, when described CoMP collaborative network node and the described network node that stores described UE data are the consolidated network entity, before S101, also comprise:
Described CoMP serving network node is initiated the change of CoMP serving network node, with self changing to new CoMP collaborative network node, described CoMP collaborative network node is changed to new CoMP serving network node.Can further reduce required Signalling exchange and the time delay of CoMP service like this.
S102, described CoMP serving network node provides CoMP service according to the data of the described UE that receives for described UE.Concrete CoMP service type can include but not limited to CS, FCS, JP etc.
In the embodiment of the invention, the network node that stores the UE data directly sends data to CoMP collaborative network node, can reduce data transmission delay, strengthens the CoMP performance.
As shown in Figure 2, be that a kind of multipoint cooperative emission receives the CoMP method, be that with the embodiment difference of Fig. 1 the executive agent of present embodiment method step is the network node that stores the user equipment (UE) data, method comprises:
S201, the network node that stores the UE data receives the CoMP request message of the CoMP serving network node transmission of described UE;
Wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message; The sign of UE can be the UEID that UE S1-AP ID, IMS or alternate manner are represented; Concrete, the sign of UE can also be the service identification of UE, as bearing identification or Tunnel Identifier etc.; The sign of CoMP network node can be eNB id, cell id or Physical cell id etc., in this CoMP request message, can also comprise CoMP method information in addition, the CoMP grade of cooperating, CoMP index, or CoMP service type, as FCS, CS, JP sign etc.
When not existing Data-carrying to be connected as yet between CoMP collaborative network node indicated in the network node that stores described UE data and the CoMP request message, the network node that stores described UE data can be after receiving described CoMP request message, and foundation is connected with described CoMP collaborative network data between nodes carrying.Set up with described CoMP collaborative network data between nodes carry be connected after, the network node that stores described UE data can also send described Data-carrying connection setup complete message to described CoMP serving network node.
S202, the described network node that stores described UE data sends the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message.
Described UE data specifically can be by UE sign identified carries out the data that CoMP serves required use for UE, can comprise business datum or control data, described CoMP serving network node and described CoMP collaborative network node can provide CoMP service for described UE according to the data of the described UE that receives.
Optionally, when the described network node that stores described UE data and described CoMP collaborative network node are the consolidated network entity, for example, when the CoMP serving network node is via node (Relay Node, when RN), CoMP collaborative network node is all the home base station (Donor eNB) of this RN with the network node that stores described UE data.The described network node that stores described UE data sends the data of described UE respectively to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, be specially: the described network node that stores described UE data sends the data of described UE to described CoMP serving network node according to described CoMP request message, and in the data of the described UE of self buffer memory, follow-up, this network node that stores described UE data can provide CoMP service for described UE according to the data of the described UE of buffer memory.
In the embodiment of the invention, the network node that stores the UE data directly sends data to CoMP collaborative network node, can reduce data transmission delay, strengthens the CoMP performance.
As shown in Figure 3, be that a kind of multipoint cooperative emission receives the CoMP method, be that with the difference of Fig. 2,3 embodiment the executive agent of described method step is a CoMP collaborative network node, this method comprises:
S301, after the network node that stores the user equipment (UE) data received the CoMP request message, the CoMP collaborative network node of described UE received the described data that store the network node of user equipment (UE) data according to the described UE of described CoMP request message transmission;
Wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message; The sign of UE can be UE S1-AP ID, the UEID that IMSI or alternate manner are represented; Concrete, the sign of UE can also be the service identification of UE, as bearing identification or Tunnel Identifier etc.; The sign of CoMP network node can be eNB id, cellid or Physical cell id etc., in this CoMP request message, can also comprise CoMP method information in addition, the CoMP grade of cooperating, CoMP index, or CoMP service type, as FCS, CS, JP sign etc.
Wherein, the UE data specifically can be by UE sign identified for UE carries out the data that CoMP serves required use, can comprise business datum or control data.
Wherein, described CoMP request message can be to be sent by the network node of described CoMP serving network node to the described UE of storing data; Or, described CoMP request message also can be by described CoMP collaborative network node after receiving the CoMP request message that described CoMP serving network node sends, described CoMP request message is sent to the described network node that stores the UE data; Or, described CoMP request message also can be by described CoMP collaborative network node after receiving the CoMP request message that described CoMP serving network node sends and handling, the described CoMP request message after handling is sent to the described network node that stores the UE data.When coming indirect transmission CoMP request message by CoMP collaborative network node, if CoMP collaborative network node self ability does not provide CoMP service, or by after handling the CoMP request message, judge the CoMP service that oneself can't satisfy corresponding cooperation grade, or judge when the CoMP that respective classes can't be provided oneself serves, this CoMP collaborative network node can not send to the network node that stores described UE data with this CoMP request message, in order to avoid the waste Internet resources.
The network node that stores described UE data is after receiving described CoMP request message, before the data that send described UE, can set up with described CoMP collaborative network data between nodes carrying and be connected, certainly, if the CoMP request message is by receiving and sending between CoMP collaborative network node, this Data-carrying connects and can set up before described CoMP collaborative network node sends the CoMP request message or simultaneously.After this carrying connects foundation, described CoMP serving network node can receive the described Data-carrying connection setup complete message that the described network node that stores described UE data sends, the CoMP serving network node can know in advance whether CoMP collaborative network node can receive the data of UE like this, so that begin follow-up CoMP service.
S302, the CoMP collaborative network node of described UE provides CoMP service according to the data of the described UE that receives for described UE.Concrete CoMP service type can include but not limited to CS, FCS, JP etc.
Optionally, when described CoMP collaborative network node and the described network node that stores described UE data are the consolidated network entity, for example, when the CoMP serving network node is via node (Relay Node, when RN), CoMP collaborative network node is all the home base station (Donor eNB) of this RN with the network node that stores described UE data.The CoMP collaborative network node of described UE receives the described data that store the network node of user equipment (UE) data according to the described UE of described CoMP request message transmission, and be specially: described CoMP collaborative network node is in the data of the described UE of self buffer memory.Described CoMP collaborative network node can also send the data of described UE according to described CoMP request message to institute's book CoMP serving network node.Follow-up, this CoMP collaborative network node can provide CoMP service for described UE according to the data of the described UE of buffer memory.
In the embodiment of the invention, the network node that stores the UE data directly sends data to CoMP collaborative network node, can reduce data transmission delay, strengthens the CoMP performance.
As shown in Figure 4, be a kind of CoMP schematic network structure that the embodiment of the invention provides, the network node that wherein stores the UE data can be user entity gateway (User Plane Entity Gateway, SAE gateway); Wherein, Mobility Management Entity (Mobility Management Entity, MME) can be positioned at (this entity is hereinafter to be referred as MME/SAE gateway) on the consolidated network node with SAE gateway, the CoMP network node can be eNB, concrete, the CoMP serving network node can be eNB1, CoMP collaborative network node can be eNB2, CoMP serving network node and the data-interface that stores between the network node of UE data can be the S1 interfaces, CoMP collaborative network node and the data-interface that stores between the network node of UE data can be the S1 interfaces, can there be direct data-interface such as X2 interface between CoMP serving network node and the CoMP collaborative network node, also can not have direct data-interface.
As shown in Figure 5, the CoMP method based on the CoMP network configuration of Fig. 4 can comprise:
S401, eNB1 sends the CoMP request message to MME/SAE gateway by the S1 interface;
Wherein, if the Data-carrying on the S1 interface is connected as yet foundation between eNB1 and the MME/SAE gateway before S401, comprised also before S401 that then eNB1 sends the S1 Data-carrying to MME/SAE gateway and sets up request message, MME/SAE gateway returns the S1 Data-carrying to eNB1 and sets up response message, is connected with S1 Data-carrying between the MME/SAE gateway to set up eNB1;
Wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message; The sign of UE can be UE S1-AP ID, the UEID that IMSI or alternate manner are represented; Concrete, the sign of UE can also be the service identification of UE, as bearing identification or Tunnel Identifier etc.; The sign of CoMP network node can be eNB id, cell id or Physical cell id etc., in addition in this CoMP request message, can also comprise CoMP method information, the CoMP grade of cooperating, CoMP index or CoMP service type, as FCS, CS, JP sign etc.
Optionally, can also comprise before step S401 that eNB1 receives the measurement report of UE, eNB1 generates the partial content of CoMP request message according to this measurement report.
Optionally, S402, MME/SAE gateway return the CoMP request response and give eNB1 after receiving described CoMP request message;
If this moment MME/SAE gateway with eNB2 between Data-carrying on the S1 interface is connected as yet and sets up, can also comprise: S403, S1 Data-carrying foundation; Specifically comprise: MME/SAE gateway is according to described CoMP request message, send the S1 Data-carrying to eNB2 and set up request message, eNB2 returns the S1 Data-carrying to MME/SAE gateway and sets up response message receiving after described S1 Data-carrying sets up request message; MME/SAE gateway be connected with Data-carrying between the eNB2 set up finish after, can also will should carrying connect message informing that foundation finish to eNB2.
S404, MME/SAE gateway by and eNB1 between the S1 interface send the data of UE to eNB1;
S405, MME/SAE gateway by and eNB2 between the S1 interface send the data of UE to eNB2;
Wherein, S404, S405 carry out in no particular order, also can carry out simultaneously.The UE data that MME/SAE gateway is sent specifically can be to be designated index with the UE that carries in the above-mentioned CoMP request message, for UE carries out the data that CoMP serves required use.
S406, eNB1 and/or eNB2 are according to the UE data that receive, for UE provides CoMP service.Concrete CoMP service type can include but not limited to CS, FCS, JP etc.
Certainly, CoMP request message in the foregoing description also can be issued MME/SAE gateway through eNB2 indirectly by eNB1, if eNB2 self ability does not provide CoMP service, or by after handling the CoMP request message, judge the CoMP service that oneself can't satisfy corresponding cooperation grade, or judge when the CoMP that respective classes can't be provided oneself serves, eNB2 can not send to MME/SAE gateway with this CoMP request message, in order to avoid the waste Internet resources, this moment, the S401 of Fig. 5 embodiment can be replaced by following steps:
S401a, eNB1 is sent to eNB2 with the CoMP request message;
Wherein eNB1 can by and eNB2 between X2 interface send this CoMP request message, when not having X2 interface between eNB1 and the eNB2, eNB1 can also pass through eNB2 with this CoMP request message by MME/SAE gateway, be eNB1 by and MME/SAE gateway between the S1 interface described CoMP request is sent to MME/SAE gateway, MME/SAE gateway sends an eNB2 by the S1 interface between itself and the eNB2 with described CoMP request message.
Optionally, eNB2 sends the CoMP request response to described eNB1 after receiving described CoMP request message;
S401b, eNB2 are sent to MME/SAE gateway according to described CoMP request message with described CoMP request message, or described CoMP request message is handled, and the described CoMP request message after will handling is sent to MME/SAE gateway.Here eNB2 includes but not limited to the processing that the CoMP request message carries out, and rejects to set up to carry between wherein relevant eNB2 and the MME/SAE gateway to be connected parameters needed, with the shared bandwidth resources of saving CoMP request message.
Optionally, MME/SAE gateway can also comprise after receiving this CoMP request message: MME/SAE gateway sends the CoMP request response to eNB2.
MME in the foregoing description and SAE gateway also can be on the consolidated network nodes, the CoMP request message that is sent to MME/SAE gateway is specifically received by MME, after by MME corresponding CoMP request message content being forwarded to SAE gateway, send the UE data to eNB1, eNB2 by SAE gateway;
MME/SAE gateway in the foregoing description also can substitute with other network entity with similar functions.
In the embodiments of the invention, store the network node of UE data can be respectively by and each CoMP network node between the S1 interface directly with the transfer of data of UE to each CoMP network node, by the transmission of the X2 interface between the base station, embodiments of the invention can reduce data transmission delay than prior art.Here the concrete title of each network node may be along with the network formats difference, the Standard Edition that network is observed is different and different, be example just more than with concrete network scenarios shown in Figure 4, embodiments of the invention are described, after interface type between the network node among Fig. 5 embodiment and interface related signaling done corresponding modify, this embodiment can also be applied in other network scenarios, provide CoMP the scene of service as a plurality of RN under the eNB for UE, at this moment, the network node that stores the UE data is eNB, the service RN of UE is the CoMP serving network node, and the cooperation RN of UE is a CoMP collaborative network node.
The another kind of CoMP schematic network structure that Fig. 6 provides for the embodiment of the invention.
The home base station of RN is eNB1, and the data-interface between eNB1 and the RN can be the Un interface.Wherein the CoMP serving network node can be RN, may not having direct Data-carrying between MME/SAE gateway and the RN is connected, eNB1 is connected with MME/SAE gateway by the S1 interface and gets access to corresponding UE data, and the network node and the CoMP collaborative network node that store the UE data here can be considered as being arranged in consolidated network entity eNB1 in the network configuration of Fig. 6.
As shown in Figure 7, the CoMP method based on the CoMP network configuration of Fig. 6 can comprise:
S501, RN sends the CoMP request message to eNB1 by the Un interface;
Wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message; The sign of UE can be UE S1-AP ID, the UEID that IMSI or alternate manner are represented; Concrete, the sign of UE can also be the service identification of UE, as bearing identification or Tunnel Identifier etc.; The sign of CoMP network node can be eNB id, cell id or Physical cell id etc., in this CoMP request message, can also comprise CoMP method information in addition, the CoMP grade of cooperating, CoMP index, or CoMP service type, as FCS, CS, JP sign etc.
Optionally, S502, eNB1 return the CoMP request response and give RN after receiving described CoMP request message;
S503, eNB1 by and RN between the Un interface send the data of UE to RN, and in the data of the described UE of self buffer memory;
The UE data that eNB1 sent specifically can be to be designated index with the UE that carries in the above-mentioned CoMP request message, for UE carries out the data that CoMP serves required use.
S504, eNB1 are according to the UE data of buffer memory, and RN is according to the data of the UE that receives, for UE provides CoMP service.Concrete CoMP service type can include but not limited to CS, FCS, JP etc.
The embodiment of Fig. 7 provides a kind of RN CoMP solution as the CoMP serving network node, can also be applicable to the scene that no direct data are connected between CoMP serving network node and the MME/SAE gateway certainly.
As shown in Figure 8, the another kind of CoMP method for based on the CoMP network configuration of Fig. 6 comprises:
S601, RN initiate the change of CoMP serving network node, with self changing to new CoMP collaborative network node, eNB1 are changed to new CoMP serving network node; Optionally, in this change process, RN can send to eNB1 with relevant CoMP information, and for the follow-up use of eNB1, certainly, eNB1 also can generate relevant CoMP information according to s own situation.
Optionally, S602, eNB1 sends the CoMP request message to RN;
S603, eNB1 by and RN between the Un interface send the data of UE to RN, and in the data of the described UE of self buffer memory;
Wherein, the CoMP request message among the S602 can send to eNB1 simultaneously with the data of UE among the S603, to save Signalling exchange.
S604, eNB1 are according to the UE data of buffer memory, and RN is according to the data of the UE that receives, for UE provides CoMP service.Concrete CoMP service type can include but not limited to CS, FCS, JP etc.
The embodiment RN of Fig. 8 is by initiating the change of CoMP serving network node, the eNB1 that stores the UE data is changed to the CoMP serving network node, can simplify the Signalling exchange in the follow-up CoMP process, because eNB1 has direct Data-carrying to be connected with MME/SAE gateway, than RN, eNB1 can save as the CoMP serving network node and obtain the required time of UE data.
Here the concrete title of each network node may be along with the network formats difference, the Standard Edition that network is observed is different and different, be example just more than with concrete network scenarios shown in Figure 6, embodiments of the invention are described, and the embodiment of the invention can also be applicable to the scene that other is concrete.
CoMP collaborative network node in the embodiment of the invention can have a plurality of, the UE that accepts the CoMP service simultaneously also can have a plurality of, can on the basis of the foregoing description, realize by the sign that in the CoMP request message, adds a plurality of UE signs or CoMP collaborative network node.
As shown in Figure 9, corresponding said method embodiment, a kind of CoMP serving network node equipment for the embodiment of the invention provides comprises:
Request message transmitting element 101, be used for sending the CoMP request message to the network node that stores the user equipment (UE) data, so that the described network node that stores described UE data sends the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The one CoMP service unit 102 is used for providing CoMP service according to the data of the described UE that receives for described UE.
Optionally, the described request message sending unit comprises that also first sends subelement, described first sends subelement, be used for described CoMP request message is sent to described CoMP collaborative network node, so that described CoMP collaborative network node is according to described CoMP request message, described CoMP request message is sent to the described network node that stores described UE data, or described CoMP request message handled, and the described CoMP request message after will handling is sent to the described network node that stores described UE data.
When described CoMP collaborative network node and the described network node that stores described UE data were the consolidated network entity, described CoMP serving network node equipment also comprised:
CoMP service change unit is used to initiate the change of CoMP serving network node, and described CoMP serving network node is changed to new CoMP collaborative network node, and described CoMP collaborative network node is changed to new CoMP serving network node.
As shown in figure 10, corresponding said method embodiment, a kind of UE data storage network node device for the embodiment of the invention provides comprises:
The first request message receiving element 201 is used to receive the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
First data transmission unit 202, be used for sending the data of described UE to described CoMP serving network node and described CoMP collaborative network node, so that described CoMP serving network node and described CoMP collaborative network node provide CoMP service according to the data of the described UE that receives for described UE according to described CoMP request message.
Optionally, described UE data storage network node device also comprises:
First carrying connects sets up the unit, is used for after receiving described CoMP request message, sets up with described CoMP collaborative network data between nodes carrying to be connected;
Finish message sending unit, be used for sending described Data-carrying connection setup complete message to described CoMP serving network node.
When described UE data storage network node device and described CoMP cooperative node were the consolidated network entity, described UE data storage network node device also comprised:
First buffer unit is used for according to the data of described CoMP request message at the described UE of self buffer memory;
The 2nd CoMP service unit is used for providing CoMP service according to the data of the described UE of buffer memory for described UE.
As shown in figure 11, corresponding said method embodiment, the structure chart of a kind of CoMP collaborative network node device that provides for the embodiment of the invention comprises:
UE Data Receiving unit 301, be used for after the network node that stores the user equipment (UE) data receives the CoMP request message, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The 3rd CoMP service unit 302 is used for providing CoMP service according to the described UE of data of the described UE that receives.
Optionally, described CoMP collaborative network node device also comprises:
The one CoMP request message retransmission unit is used for behind the CoMP request message that receives described CoMP serving network node transmission, and described CoMP request message is sent to the described network node that stores the UE data; Or
The 2nd CoMP request message retransmission unit at the CoMP request message that receives described CoMP serving network node transmission and after handling, sends the described CoMP request message after handling to the described network node that stores the UE data.
Optionally, described CoMP collaborative network node device also comprises:
Second carrying connects sets up the unit, and the Data-carrying that is used to set up between the network node with the described UE of storing data is connected.
When described CoMP collaborative network node and the described network node that stores described UE data were the consolidated network entity, described CoMP collaborative network node device also comprised:
The second request message receiving element is used to receive the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
Second data transmission unit is used for sending to described CoMP serving network node according to described CoMP request message the data of described UE;
Second buffer unit is used for according to the data of described CoMP request message at the described UE of self buffer memory.
As shown in figure 12, a kind of CoMP system construction drawing for the embodiment of the invention provides comprises:
CoMP serving network node equipment 401, be used for sending the CoMP request message to the apparatus for network node that stores the user equipment (UE) data, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, and provide CoMP service for described UE according to the data of the described UE that receives, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
CoMP collaborative network node device 402, be used for after the described network node that stores the user equipment (UE) data receives described CoMP request message, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, and provide CoMP service for described UE according to the data of the described UE that receives.
Embodiments of the invention also provide a kind of embodiment of CoMP request message, and as shown in figure 12, described CoMP request message 500 comprises:
The sign 501 of UE is used to identify the UE that needs the CoMP service;
CoMP network node sign 502, being used to be designated described UE provides CoMP the CoMP network node of service.
Wherein, the network node that stores the UE data can be searched the UE data that are used for the CoMP service according to the sign of described UE.The network node that stores the UE data can send to the CoMP network node with the described UE data that find and identify pairing network node according to described CoMP network node sign.
Wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message; The sign of UE can be UE S1-AP ID, the UEID that IMSI or alternate manner are represented; Concrete, the sign of UE can also be the service identification of UE, as bearing identification or Tunnel Identifier etc.; The sign of CoMP network node comprises; The sign of the sign of CoMP serving network node and/or CoMP collaborative network node, the sign of described CoMP network node can be eNB id, cell id or Physical cell id etc., in addition in this CoMP request message, can also comprise CoMP method information, the CoMP grade of cooperating, CoMP index, or CoMP service type, as FCS, CS, JP sign etc.
In the embodiment of the invention, the network node that stores the UE data directly sends data to CoMP collaborative network node, can reduce data transmission delay, strengthens the CoMP performance.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (24)
1. a multipoint cooperative emission receives the CoMP method, it is characterized in that comprising:
The CoMP serving network node of user equipment (UE) sends the CoMP request message to the network node that stores described UE data, so that the described network node that stores described UE data sends the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
Described CoMP serving network node provides CoMP service according to the data of the described UE that receives for described UE.
2. method according to claim 1 is characterized in that, the CoMP serving network node of described user equipment (UE) sends the CoMP request message to the network node that stores described UE data, specifically comprises:
Described CoMP serving network node is sent to described CoMP collaborative network node with described CoMP request message, so that described CoMP collaborative network node is according to described CoMP request message, described CoMP request message is sent to the described network node that stores described UE data, or described CoMP request message handled, and the described CoMP request message after will handling is sent to the described network node that stores described UE data.
3. method according to claim 1, it is characterized in that, data at the described UE of described transmission also comprise before: the network node that stores described UE data is after receiving described CoMP request message, and foundation is connected with described CoMP collaborative network data between nodes carrying.
4. method according to claim 3 is characterized in that, also comprises after described foundation and the carrying of described CoMP collaborative network data between nodes are connected:
Described CoMP serving network node receives the described Data-carrying connection setup complete message that the described network node that stores described UE data sends.
5. method according to claim 1 is characterized in that:
When described CoMP collaborative network node and the described network node that stores described UE data are the consolidated network entity,
, before sending the CoMP request message, the network node that stores described UE data also comprises in the CoMP of described user equipment (UE) serving network node:
Described CoMP serving network node is initiated the change of CoMP serving network node, with self changing to new CoMP collaborative network node, described CoMP collaborative network node is changed to new CoMP serving network node.
6. a multipoint cooperative emission receives the CoMP method, it is characterized in that comprising:
The network node that stores the user equipment (UE) data receives the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The described network node that stores described UE data sends the data of described UE according to described CoMP request message to described CoMP serving network node and CoMP collaborative network node, so that described CoMP serving network node and described CoMP collaborative network node provide CoMP service according to the data of the described UE that receives for described UE.
7. method according to claim 6 is characterized in that, also comprises before the data of the described UE of described transmission:
The network node that stores described UE data is after receiving described CoMP request message, and foundation is connected with described CoMP collaborative network data between nodes carrying.
8. method according to claim 7 is characterized in that, also comprises after described foundation and the carrying of described CoMP collaborative network data between nodes are connected:
The network node that stores described UE data sends described Data-carrying connection setup complete message to described CoMP serving network node.
9. method according to claim 6 is characterized in that:
When the described network node that stores described UE data and described CoMP collaborative network node are the consolidated network entity,
The described network node that stores described UE data sends the data of described UE respectively to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, be specially: the described network node that stores described UE data sends the data of described UE according to described CoMP request message to described CoMP serving network node, and in the data of the described UE of self buffer memory.
10. a multipoint cooperative emission receives the CoMP method, it is characterized in that comprising:
After the network node that stores the user equipment (UE) data receives the CoMP request message, the CoMP collaborative network node of described UE receives the described data that store the network node of user equipment (UE) data according to the described UE of described CoMP request message transmission, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The CoMP collaborative network node of described UE provides CoMP service according to the data of the described UE that receives for described UE.
11. method according to claim 10 is characterized in that:
Described CoMP request message is that described CoMP serving network node sends to the described network node that stores the UE data;
Or described CoMP request message is described CoMP collaborative network node after receiving the CoMP request message that described CoMP serving network node sends, and described CoMP request message is sent to the described network node that stores the UE data;
Or described CoMP request message is described CoMP collaborative network node after receiving the CoMP request message that described CoMP serving network node sends and handling, and the described CoMP request message after handling is sent to the described network node that stores the UE data.
12. method according to claim 10 is characterized in that, before the data of the described UE that the described network node that stores the UE data of reception sends, also comprises:
The Data-carrying that described CoMP collaborative network node is set up between the network node with the described UE of storing data is connected.
13. method according to claim 10 is characterized in that:
When described CoMP collaborative network node and the described network node that stores described UE data are the consolidated network entity,
The CoMP collaborative network node of described UE receives the described data that store the network node of user equipment (UE) data according to the described UE of described CoMP request message transmission, and be specially: described CoMP collaborative network node is in the data of the described UE of self buffer memory.
14. a multipoint cooperative emission receives CoMP serving network node equipment, it is characterized in that, comprising:
The request message transmitting element, be used for sending the CoMP request message to the network node that stores the user equipment (UE) data, so that the described network node that stores described UE data sends the data of described UE to described CoMP serving network node and CoMP collaborative network node according to described CoMP request message, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The one CoMP service unit is used for providing CoMP service according to the data of the described UE that receives for described UE.
15., it is characterized in that the described request message sending unit comprises that also first sends subelement according to the described equipment of claim 14,
Described first sends subelement, be used for described CoMP request message is sent to described CoMP collaborative network node,
So that described CoMP collaborative network node is according to described CoMP request message, described CoMP request message is sent to the described network node that stores described UE data, or described CoMP request message handled, and the described CoMP request message after will handling is sent to the described network node that stores described UE data.
16. according to the described equipment of claim 14, it is characterized in that,
When described CoMP collaborative network node and the described network node that stores described UE data are the consolidated network entity, also comprise:
CoMP service change unit is used to initiate the change of CoMP serving network node, and described CoMP serving network node is changed to new CoMP collaborative network node, and described CoMP collaborative network node is changed to new CoMP serving network node.
17. a user equipment (UE) data storage network node device is characterized in that, comprising:
The first request message receiving element is used to receive the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
First data transmission unit, be used for sending the data of described UE to described CoMP serving network node and described CoMP collaborative network node, so that described CoMP serving network node and described CoMP collaborative network node provide CoMP service according to the data of the described UE that receives for described UE according to described CoMP request message.
18. equipment according to claim 17 is characterized in that, also comprises:
First carrying connects sets up the unit, is used for after receiving described CoMP request message, sets up with described CoMP collaborative network data between nodes carrying to be connected;
Finish message sending unit, be used for sending described Data-carrying connection setup complete message to described CoMP serving network node.
19. equipment according to claim 17 is characterized in that:
When described UE data storage network node device and described CoMP cooperative node are the consolidated network entity, also comprise:
First buffer unit is used for according to the data of described CoMP request message at the described UE of self buffer memory;
The 2nd CoMP service unit is used for providing CoMP service according to the data of the described UE of buffer memory for described UE.
20. a multipoint cooperative emission receives CoMP collaborative network node device, it is characterized in that, comprising:
UE Data Receiving unit, be used for after the network node that stores the user equipment (UE) data receives the CoMP request message, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
The 3rd CoMP service unit is used for providing CoMP service according to the described UE of data of the described UE that receives.
21. equipment according to claim 20 is characterized in that, also comprises:
The one CoMP request message retransmission unit is used for behind the CoMP request message that receives described CoMP serving network node transmission, and described CoMP request message is sent to the described network node that stores the UE data; Or
The 2nd CoMP request message retransmission unit at the CoMP request message that receives described CoMP serving network node transmission and after handling, sends the described CoMP request message after handling to the described network node that stores the UE data.
22. equipment according to claim 20 is characterized in that, also comprises:
Second carrying connects sets up the unit, and the Data-carrying that is used to set up between the network node with the described UE of storing data is connected.
23. equipment according to claim 20 is characterized in that:
When described CoMP collaborative network node and the described network node that stores described UE data are the consolidated network entity, also comprise:
The second request message receiving element is used to receive the CoMP request message that the CoMP serving network node of described UE sends, and wherein, comprises the sign of the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
Second data transmission unit is used for sending to described CoMP serving network node according to described CoMP request message the data of described UE;
Second buffer unit is used for according to the data of described CoMP request message at the described UE of self buffer memory.
24. a multipoint cooperative emission receives the CoMP system, it is characterized in that, comprising:
CoMP serving network node equipment, be used for sending the CoMP request message to the apparatus for network node that stores the user equipment (UE) data, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, and provide CoMP service for described UE according to the data of the described UE that receives, wherein, the sign that comprises the CoMP network node of the sign of described UE and described UE in the described CoMP request message;
CoMP collaborative network node device, be used for after the described network node that stores the user equipment (UE) data receives described CoMP request message, receive the described data that store the network node of UE data according to the described UE of described CoMP request message transmission, and provide CoMP service for described UE according to the data of the described UE that receives.
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