CN102378181B - A kind of method and system of data exchange in coordinated multi-point communication technology - Google Patents
A kind of method and system of data exchange in coordinated multi-point communication technology Download PDFInfo
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- CN102378181B CN102378181B CN201010252877.1A CN201010252877A CN102378181B CN 102378181 B CN102378181 B CN 102378181B CN 201010252877 A CN201010252877 A CN 201010252877A CN 102378181 B CN102378181 B CN 102378181B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0053—Interference mitigation or co-ordination of intercell interference using co-ordinated multipoint transmission/reception
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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Abstract
The invention discloses the method for data interaction in a kind of coordinate multipoint (CoMP) communication technology, comprise: when data interaction pattern is centralized distribution data mode, the business datum being handed down to subscriber equipment (UE) is sent to base station, host cell by core net, after base station, host cell receives business datum, the business datum received is sent to base station, assisted cell; Or when data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell by core net.The present invention discloses the system of data interaction in a kind of CoMP communication technology, adopt method and system of the present invention, the rational data interaction between base station and core net can be realized, promote Consumer's Experience.
Description
Technical field
The present invention relates to coordinate multipoint (CoMP, the Coordinated Multi-Point) communication technology, refer to the method and system of data interaction in a kind of CoMP communication technology especially.
Background technology
Cooperative multipoint transmission and reception technique (Coordinated Multiple Point Transmission andReception) are to improve Long Term Evolution (LTE further, Long Term Evolution) edge user throughput, edge customer frequency efficiency and entire system performance propose in system, and the important element become in the technological frame of the evolution (LTE-advanced) of the LTE system in third generation partner program (3GPP, 3rd Generation Partnership Project).The core concept of this technology is: by having multiple transfer points of locus adjacency simultaneously to a user or multiple user service, its principle schematic as shown in Figure 1.
Relative to existing LTE network framework and design concept, the maximum change that cooperative multipoint transmission and reception technique are introduced is: subscriber equipment (UE, User Equipment) will carry out the operation of data receiver and transmission with adjacent community on multiple locus simultaneously.Therefore, in this case, how to coordinate multiple position be separated and independent operating community between collaborative work just seem very important, now, just need to introduce the concept of centralized management, that is: there is host cell and assisted cell.The work such as the assignment of the selection of the community of all collaborative works of the former primary responsibility, state collection, analysis, scheduling, carry out the data interaction with user simultaneously; And the latter's primary responsibility oneself state mutual and with the work such as the data interaction of user.As can be seen from description above, the function of host cell is comparatively complicated, and the function of assisted cell is comparatively simple.Further, under certain conditions, the two role can exchange.For different users, two kinds of different roles may be taken in same community simultaneously.
But, at present, also there is no the technical scheme of data interaction in CoMP communication technology.
Summary of the invention
In view of this, main purpose of the present invention is the method and system providing data interaction in a kind of CoMP communication technology, when UE is in cell edge and receives the data issued from different base station, the rational data interaction between base station and core net can be realized, promote Consumer's Experience.
For achieving the above object, technical scheme of the present invention is achieved in that
A method for data interaction in CoMP communication technology, the method comprises:
When data interaction pattern is centralized distribution data mode, the business datum being handed down to UE is sent to base station, host cell by core net, after base station, host cell receives business datum, the business datum received is sent to base station, assisted cell; Or,
When data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell by core net.
In such scheme, described method is specially:
When data interaction pattern is centralized distribution data mode, and the traffic data type that core net is handed down to UE is when being the type of the business datum arranged, the business datum being handed down to UE is sent to base station, host cell by S1 interface by core net, after base station, host cell receives business datum, by X2 interface, the business datum received is sent to base station, assisted cell; Or,
When data interaction pattern is distributed distributing data mode, and when the traffic data type that core net is handed down to UE is the type of the business datum arranged, the business datum being handed down to UE is sent to base station, assisted cell by S1 interface by core net.
In such scheme, the method comprises further:
When the traffic data type that core net is handed down to UE is not the type of the business datum arranged, the business datum being handed down to UE is sent to base station, host cell by S1 interface by MME/S-GW; After host cell receives business datum, the business datum received is sent to UE.
In such scheme, before the business datum being handed down to UE is sent to base station, host cell by core net, the method comprises further:
UE starts shooting and carries out initialization;
UE and base station, host cell are set up main wireless link and are connected, and UE sets up secondary wireless with base station, assisted cell and is connected afterwards;
Base station, host cell sends auxiliary RAB (E-RAB) and sets up request message to base station, assisted cell;
After base station, assisted cell receives request message, according to self system load condition current, after defining enough Radio Resources, according to the wireless spread-spectrum technology (RLC eated dishes without rice or wine of the air interface transmission pattern configurations in request message self, Radio Link Control) layer wireless connections transmission mode, send auxiliary E-RAB to base station, host cell and set up response message afterwards; Or,
Before the business datum being handed down to UE is sent to base station, assisted cell by core net, the method comprises further:
UE starts shooting and carries out initialization;
UE and base station, host cell are set up main wireless link and are connected, and UE sets up secondary wireless with base station, assisted cell and is connected afterwards;
Base station, host cell sends auxiliary E-RAB and sets up request message to base station, assisted cell;
After base station, assisted cell receives request message, according to self system load condition current, after defining enough Radio Resources, send E-RAB to core net and set up request message, simultaneously according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self;
After core net receives and sets up request message, return E-RAB to base station, assisted cell and set up response message;
After base station, assisted cell receives and sets up response message, send auxiliary E-RAB to base station, host cell and set up response message.
In such scheme, described UE sets up secondary wireless with base station, assisted cell and is connected, and is specially:
UE sends secondary wireless establishment of connection request message to base station, host cell;
After base station, host cell receives message, send secondary wireless establishment of connection request message to base station, assisted cell;
After base station, assisted cell receives message, after confirmation can accept to carry out business foundation with UE, send secondary wireless establishment of connection acknowledge message to base station, host cell;
After base station, host cell receives message, be base station, assisted cell by this assisted cell basestation marker, send secondary wireless establishment of connection acknowledge message to UE afterwards.
In such scheme, the method comprises further:
Base station, assisted cell, according to self system load condition current, after determining do not have enough Radio Resources, sends auxiliary E-RAB and sets up refuse information to base station, host cell.
In such scheme, the method comprises further:
After base station, assisted cell receives business datum, the business datum received is sent to UE.
In such scheme, the method comprises further:
When the secondary wireless not needing to have set up connects, base station, host cell sends the releasing request message of the secondary wireless connection comprising the mark of assisted cell Base Station Identification and UE to base station, assisted cell, send the releasing request message of the secondary wireless connection comprising assisted cell Base Station Identification to UE simultaneously;
After UE and base station, assisted cell receive releasing request message, by information interaction, the secondary wireless stopped therebetween connects;
Afterwards, base station, assisted cell sends the release acknowledge message that secondary wireless connects to base station, host cell.
Present invention also offers the system of data interaction in a kind of CoMP communication technology, this system comprises: core net, base station, host cell and base station, assisted cell;
Core net, for when data interaction pattern is centralized distribution data mode, sends to base station, host cell by the business datum being handed down to UE; Or, when data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell;
Base station, host cell, for after the business datum receiving core net transmission, sends to base station, assisted cell by the business datum received;
Base station, assisted cell, for receiving the business datum that base station, host cell sends; Or, receive the business datum that core net sends.
In such scheme, described core net specifically for:
When data interaction pattern is centralized distribution data mode and the traffic data type being handed down to UE is the type of the business datum arranged, by S1 interface, the business datum being handed down to UE is sent to base station, host cell; Or, when data interaction pattern is distributed distributing data mode, and when the traffic data type being handed down to UE is the type of the business datum arranged, by S1 interface, the business datum being handed down to UE is sent to base station, assisted cell;
Base station, described host cell specifically for:
After the business datum receiving core net transmission, by X2 interface, the business datum received is sent to base station, assisted cell.
In such scheme, this system comprises UE further, for starting shooting and after carrying out initialization, setting up main wireless link and be connected, set up secondary wireless be afterwards connected with base station, assisted cell with base station, host cell;
Base station, described host cell, also set up request message for sending auxiliary E-RAB to base station, described assisted cell, and the auxiliary E-RAB receiving the transmission of base station, described assisted cell sets up response message;
Base station, described assisted cell, also for when data interaction pattern is centralized distribution data mode, the auxiliary E-RAB receiving the transmission of base station, described host cell sets up request message, and after receiving request message, according to self system load condition current, after defining enough Radio Resources, according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, send auxiliary E-RAB to base station, described host cell and set up response message afterwards, or, when data interaction pattern is distributed distributing data mode, the auxiliary E-RAB receiving the transmission of base station, described host cell sets up request message, and after receiving request message, according to self system load condition current, after defining enough Radio Resources, send E-RAB to described core net and set up request message, simultaneously according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, and receiving after E-RAB that described core net returns sets up response message, send auxiliary E-RAB to base station, described host cell and set up response message,
Described core net, also for receive base station, described assisted cell send E-RAB set up request message after, return E-RAB to base station, described assisted cell and set up response message.
In such scheme, described core net, time also for not being the type of business datum arranged when the traffic data type being handed down to UE, sends to base station, host cell by S1 interface by the business datum being handed down to UE;
Base station, described host cell, also for after receiving business datum, sends to UE by the business datum received;
Described UE, also for receiving the business datum that base station, host cell sends.
In such scheme, base station, described assisted cell, also for according to self system load condition current, after determining do not have enough Radio Resources, sends auxiliary E-RAB and sets up refuse information to base station, described host cell;
Base station, described host cell, the auxiliary E-RAB also sent for receiving base station, described assisted cell sets up refuse information.
In such scheme, base station, described host cell, time also for not needing the secondary wireless set up to connect, the releasing request message of the secondary wireless connection comprising the mark of assisted cell Base Station Identification and UE is sent to base station, described assisted cell, send the releasing request message of the secondary wireless connection comprising assisted cell Base Station Identification simultaneously to described UE, and receive the release acknowledge message of the secondary wireless connection that base station, described assisted cell sends;
Base station, described assisted cell, also for after receiving releasing request message that base station, described host cell sends, by the information interaction with described UE, stops secondary wireless therebetween and connects, send releasing request message to base station, described host cell afterwards;
Described UE, also for after receiving releasing request message that base station, described host cell sends, by the information interaction with base station, described assisted cell, stops secondary wireless therebetween and connects.
In such scheme, base station, described assisted cell, also for the business datum received is sent to UE;
Described UE, also for receiving the business datum that base station, described assisted cell sends.
The method and system of data interaction in CoMP communication technology provided by the invention, when data interaction pattern is centralized distribution data mode, the business datum being handed down to UE is sent to base station, host cell by core net, after base station, host cell receives business datum, the business datum received is sent to base station, assisted cell; Or, when data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell by core net, so, the rational data interaction between base station and core net can be realized, the business datum being issued to UE can be made to arrive base station, assisted cell by rational approach, and then promote Consumer's Experience.
In addition, UE and base station, host cell are set up main wireless link and are connected, and set up secondary wireless with base station, assisted cell and be connected, the business datum being handed down to UE is sent to base station, host cell or base station, assisted cell by S1 interface by core net, after base station, host cell receives business datum, by X2 interface, the business datum received is sent to base station, assisted cell, so, energy adding users is to the utilance of idle wireless resource, and then system wireless resource can be used more, promote Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the network topology structure figure of LTE mobile communication system;
Fig. 2 is the method flow schematic diagram that the embodiment of the present invention one realizes data interaction in CoMP communication technology;
Fig. 3 is the method flow schematic diagram that the embodiment of the present invention two realizes data interaction in CoMP communication technology;
Fig. 4 is the system configuration schematic diagram of data interaction in CoMP communication technology of the present invention.
Embodiment
Basic thought of the present invention is: when data interaction pattern is centralized distribution data mode, the business datum being handed down to UE is sent to base station, host cell by core net, after base station, host cell receives business datum, the business datum received is sent to base station, assisted cell; Or when data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell by core net.
Below in conjunction with drawings and the specific embodiments, the present invention is further described in more detail.
Fig. 1 is the network topology structure figure of LTE mobile communication system, and as can be seen from Figure 1, the network of LTE mobile communication system comprises: core net (CN) and Access Network (E-UTRAN); Wherein, core net mainly comprises mobile management unit/gateway (MME/S-GW), and Access Network is made up of multiple evolved node B (eNB), and eNB is a node of long evolving system, that is: a base station; By the intercommunication of S1 interface inter-link between MME/S-GW and eNB, interconnected by X2 interface between the eNB that Access Network is inner different.
In actual application, when data interaction pattern is centralized distribution data mode, and the traffic data type that MME/S-GW is handed down to UE is when being the type of the business datum arranged, the business datum being handed down to UE can be sent to base station, host cell by S1 interface by MME/S-GW, after base station, host cell receives business datum, by X2 interface, the business datum received can be sent to base station, assisted cell; Or,
When data interaction pattern is distributed distributing data mode, and when the traffic data type that MME/S-GW is handed down to UE is the type of the business datum arranged, the business datum being handed down to UE can be sent to base station, assisted cell by S1 interface by MME/S-GW.
Method of the present invention can further include:
When the traffic data type that MME/S-GW is handed down to UE is not the type of the business datum arranged, the business datum being handed down to UE is sent to base station, host cell by S1 interface by MME/S-GW; After host cell receives business datum, the business datum received is sent to UE.
Embodiment one:
The application scenarios of the present embodiment is: base station, host cell determines that data interaction pattern is centralized distribution data mode, and wherein, centralized distribution data mode is applicable to a Data Radio Bearer (DRB).The method of data interaction in the present embodiment CoMP communication technology, as shown in Figure 2, comprises the following steps:
Step 201:UE starts shooting and carries out initialization, performs step 202 afterwards.
Step 202:UE and base station, host cell are set up main wireless link and are connected, and UE sets up secondary wireless with base station, assisted cell and is connected afterwards, perform step 203 afterwards;
Here, the detailed description that regulation has UE and base station, host cell to set up main wireless link to be connected in 3GPP agreement; Wherein, UE with base station, host cell set up main wireless connection link be connected time, the type of the business datum needing transmission can be sent to base station, host cell, and the type of the business datum needing transmission is sent to base station, assisted cell and MME/S-GW, below the type of the business datum needing transmission is called the type of the business datum of setting.
Described UE sets up secondary wireless with base station, assisted cell and is connected, and is specially:
UE sends secondary wireless establishment of connection request message to base station, host cell;
After base station, host cell receives message, send secondary wireless establishment of connection request message to base station, assisted cell;
After base station, assisted cell receives message, after confirmation can accept to carry out business foundation with UE, send secondary wireless establishment of connection acknowledge message to base station, host cell;
After base station, host cell receives message, be base station, assisted cell by this assisted cell basestation marker, send secondary wireless establishment of connection acknowledge message to UE afterwards;
Wherein, the parameter of UE meeting automatic detection neighbor cell and signal quality, after the parameter detecting neighbor cell and signal quality, select the good community of signal quality as assisted cell;
Described secondary wireless establishment of connection request message comprises the configuration parameter of assisted cell Base Station Identification, the mark of UE, service quality (QoS, the Quality ofService) parameter of requested service data and Traffic Channel; Base station, assisted cell adopts the qos parameter of requested service data can improve the service quality of business datum, configures self corresponding Traffic Channel according to the configuration parameter of Traffic Channel;
Base station, assisted cell can, according to self system load condition current, judge whether can accept to carry out business foundation with UE;
After UE receives and sets up acknowledge message, then show that UE and base station, assisted cell have been set up secondary wireless and be connected.
Step 203: base station, host cell sends auxiliary E-RAB and sets up request message to base station, assisted cell;
Here, described auxiliary E-RAB sets up request message and comprises: the qos parameter of auxiliary E-RAB mark, auxiliary E-RAB, general data transfer platform-terminal (GTP-TE) mark, air interface transmission pattern and data interaction pattern; Wherein, described data interaction pattern is centralized distribution data mode, base station, assisted cell can know it is auxiliary E-RAB by auxiliary E-RAB mark, the service quality of business datum can be improved by the qos parameter of auxiliary E-RAB, the data transfer mode of UE can be known by GTP-TE mark, can know that MME/S-GW is handed down to the business datum needs of UE first through the forwarding of base station, host cell by centralized distribution data mode;
Determine data interaction pattern by base station, host cell, and tell MME/S-GW and base station, assisted cell by established data interactive mode; When determining data interaction pattern, base station, host cell can according to the load state determination data interaction pattern of self, particularly, if it is more serious that base station, host cell calculates duty ratio according to self algorithm, then determine that data interaction pattern is distributed distributing data mode, if base station, host cell calculates load state according to self algorithm and can bear, then determine that data interaction pattern is centralized distribution data mode; Or, base station, host cell can also need the type of the business datum of transmission to decide according to UE, if what UE needed transmission is ensure bit rate (GBR, Guaranteed Bit Rate) business datum time, then base station, host cell determines that data interaction pattern is distributed distributing data mode, if that UE needs transmission is non-ensured bit rate (NGBR, Non-Guaranteed Bit Rate) business datum time, then base station, host cell determines that data interaction pattern is centralized distribution data mode; When practical application, base station, host cell can select one in above-mentioned two kinds of methods to determine data interaction pattern.
Step 204: after base station, assisted cell receives request message, according to self system load condition current, after defining enough Radio Resources, according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, perform step 205 afterwards;
Here, described air interface transmission pattern comprises: Traffic Channel and control channel; Traffic Channel comprises reverse link traffic channel and downlink traffic channel;
Described wireless connections transmission mode comprises: non-acknowledgement (UM) pattern and confirmation (AM) pattern;
If base station, assisted cell is according to self system load condition current, after determining there is no enough Radio Resources, auxiliary E-RAB can be sent to base station, host cell and set up refuse information; Wherein, described auxiliary E-RAB sets up refuse information and comprises: the qos parameter of auxiliary E-RAB mark, auxiliary E-RAB, GTP-TE mark and Reason For Denial; Described Reason For Denial can be the concrete reason that auxiliary E-RAB can not be set up in base station, assisted cell, give an example, if the interface-free resources of self is not enough, then Reason For Denial just extends this as interface-free resources deficiency, if qos parameter can not meet, then Reason For Denial just extends this as qos parameter and can not meet, and is inserted by self current qos parameter that can receive, so that base station, host cell uses this qos parameter upper once transmission when auxiliary E-RAB sets up request message.
Step 205: base station, assisted cell sends auxiliary E-RAB and sets up response message to base station, host cell, perform step 206 afterwards;
Wherein, described auxiliary E-RAB sets up response message and comprises: auxiliary E-RAB mark and GTP-TE mark;
Base station, host cell receives after auxiliary E-RAB sets up response message, then show that auxiliary E-RAB sets up, so far, the link of corresponding relation and transfer of data is established between base station, host cell, UE and base station, assisted cell, when the type that MME/S-GW is handed down to the business datum of UE is the type of the business datum that UE sends to the needs of base station, host cell to transmit, then above-mentioned link is adopted to transmit.
Step 206: when the traffic data type that MME/S-GW is handed down to UE is the type of the business datum arranged, the business datum being handed down to UE is sent to base station, host cell by S1 interface by MME/S-GW, after base station, host cell receives business datum, the business datum received is sent to base station, assisted cell by X2 interface;
Here, after base station, host cell receives business datum, according to the mark of UE of preserving and the base station, assisted cell of mark, business datum can be sent by X2 interface to this base station, assisted cell.
Step 207: after base station, assisted cell receives business datum, sends to UE by the business datum received, and terminates current handling process.
When the secondary wireless no longer needing to have set up connects, the secondary wireless set up can be discharged connect, now, base station, host cell needs the releasing request message sending the secondary wireless connection comprising the mark of assisted cell Base Station Identification and UE to base station, assisted cell, the releasing request message that the secondary wireless simultaneously comprising assisted cell Base Station Identification to UE transmission connects; After UE and base station, assisted cell receive releasing request message, by information interaction, the secondary wireless stopped therebetween connects; After termination, base station, assisted cell sends the release acknowledge message that secondary wireless connects to base station, host cell; After base station, host cell receives the release acknowledge message of secondary wireless connection, then show that having discharged the secondary wireless set up connects, accordingly, corresponding information can be deleted in base station, host cell and base station, assisted cell.
Embodiment two:
The application scenarios of the present embodiment is: base station, host cell determines that data interaction pattern is distributed distributing data mode, wherein, distributed distributing data mode is applicable to multiple DRB, that is: can set up multiple secondary wireless simultaneously, and each secondary wireless can carry a DRB.The method of data interaction in the present embodiment CoMP communication technology, as shown in Figure 3, comprises the following steps:
Step 301:UE starts shooting, and carries out initialization, performs step 302 afterwards.
Step 302:UE and base station, host cell are set up main wireless link and are connected, and UE sets up secondary wireless with base station, assisted cell and is connected afterwards, perform step 303 afterwards;
Here, main wireless link connect and secondary wireless establishment of connection process identical with the process that step 202 in embodiment one describes, no longer describe in detail.
Step 303: base station, host cell sends auxiliary E-RAB and sets up request message to base station, assisted cell;
Here, described auxiliary E-RAB sets up request message and comprises: the qos parameter of auxiliary E-RAB mark, auxiliary E-RAB, GTP-TE mark, air interface transmission pattern and data interaction pattern; Wherein, described data interaction pattern is distributed distributing data mode.
Step 304: after base station, assisted cell receives request message, according to self system load condition current, after defining enough Radio Resources, send E-RAB to MME/S-GW and set up request message, simultaneously according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self;
Here, described E-RAB sets up request message and comprises: the qos parameter of the mark of assisted cell Base Station Identification, UE, auxiliary E-RAB mark, auxiliary E-RAB, GTP-TE mark and transport layer address;
Described wireless connections transmission mode comprises: UM pattern and AM pattern;
If base station, assisted cell is according to self system load condition current, after determining there is no enough Radio Resources, auxiliary E-RAB can be sent to base station, host cell and set up refuse information; Wherein, described auxiliary E-RAB sets up refuse information and comprises: the qos parameter of auxiliary E-RAB mark, auxiliary E-RAB, GTP-TE mark and Reason For Denial; Described Reason For Denial can be the concrete reason that auxiliary E-RAB can not be set up in base station, assisted cell, give an example, if the interface-free resources of self is not enough, then Reason For Denial just extends this as interface-free resources deficiency, if qos parameter can not meet, then Reason For Denial just extends this as qos parameter and can not meet, and is inserted by self current qos parameter that can receive, so that base station, host cell uses this qos parameter upper once transmission when request message is set up in auxiliary E-RAB carrying.
After step 305:MME/S-GW receives and sets up request message, return E-RAB to base station, assisted cell and set up response message;
Here, described E-RAB sets up response message and comprises: the qos parameter of the mark of assisted cell Base Station Identification, UE, auxiliary E-RAB mark, auxiliary E-RAB, GTP-TE mark and transport layer address.
Step 306: after base station, assisted cell receives and sets up response message, sends auxiliary E-RAB and sets up response message, perform step 307 afterwards to base station, host cell;
Here, described auxiliary E-RAB sets up response message and comprises: auxiliary E-RAB mark and GTP-TE mark;
Base station, host cell receives after auxiliary E-RAB sets up response message, then show that auxiliary E-RAB sets up, so far, corresponding relation is established between MME/S-GW and base station, assisted cell, the business datum that MME/S-GW is handed down to UE can directly issue base station, assisted cell, sends to UE again by base station, assisted cell.
Step 307: when the traffic data type that MME/S-GW is handed down to UE is the type of the business datum arranged, the business datum being handed down to UE is sent to base station, assisted cell by S1 interface by MME/S-GW.
Step 308: after base station, assisted cell receives business datum, sends to UE by the business datum received, and terminates current handling process.
Based on said method, present invention also offers the system of data interaction in a kind of CoMP communication technology, as shown in Figure 4, this system comprises: core net 41, base station, host cell 42 and base station, assisted cell 43;
Core net 41, for when data interaction pattern is centralized distribution data mode, sends to base station, host cell 42 by the business datum being handed down to UE; Or, when data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell 43;
Base station, host cell 42, for after the business datum receiving core net 41 transmission, sends to base station, assisted cell 43 by the business datum received;
Base station, assisted cell 43, for receiving the business datum that base station, host cell 42 sends; Or, receive the business datum that core net 41 sends.
Wherein, described core net 41 specifically for:
When data interaction pattern is centralized distribution data mode and the traffic data type being handed down to UE is the type of the business datum arranged, by S1 interface, the business datum being handed down to UE is sent to base station, host cell 42; Or, when data interaction pattern is distributed distributing data mode, and when the traffic data type being handed down to UE is the type of the business datum arranged, by S1 interface, the business datum being handed down to UE is sent to base station, assisted cell 43;
Base station, described host cell 42 specifically for:
After the business datum receiving core net 41 transmission, by X2 interface, the business datum received is sent to base station, assisted cell 43.
Wherein, this system can further include UE 44, for starting shooting and after carrying out initialization, setting up main wireless link and be connected, set up secondary wireless be afterwards connected with base station, assisted cell 43 with base station, host cell 42;
Base station, described host cell 42, also set up request message for sending auxiliary E-RAB to base station 43, described assisted cell, and the auxiliary E-RAB receiving the transmission of base station 43, described assisted cell sets up response message;
Base station, described assisted cell 43, also for when data interaction pattern is centralized distribution data mode, the auxiliary E-RAB receiving the transmission of base station 42, described host cell sets up request message, and after receiving request message, according to self system load condition current, after defining enough Radio Resources, according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, send auxiliary E-RAB to base station 42, described host cell and set up response message afterwards, or, when data interaction pattern is distributed distributing data mode, the auxiliary E-RAB receiving the transmission of base station 42, described host cell sets up request message, and after receiving request message, according to self system load condition current, after defining enough Radio Resources, send E-RAB to described core net 41 and set up request message, simultaneously according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, and receiving after E-RAB that described core net 41 returns sets up response message, send auxiliary E-RAB to base station 42, described host cell and set up response message,
Described core net 41, also for receive base station 43, described assisted cell send E-RAB set up request message after, return E-RAB to base station, described assisted cell 43 and set up response message.
Described core net 41, time also for not being the type of business datum arranged when the traffic data type being handed down to UE, sends to base station, host cell 42 by S1 interface by the business datum being handed down to UE;
Base station, described host cell 42, also for after receiving business datum, sends to UE 44 by the business datum received;
Described UE 44, also for receiving the business datum that base station, host cell 42 sends.
Base station, described assisted cell 43, also for according to self system load condition current, after determining do not have enough Radio Resources, sends auxiliary E-RAB and sets up refuse information to base station 42, described host cell;
Base station, described host cell 42, the auxiliary E-RAB also sent for receiving base station 43, described assisted cell sets up refuse information.
Base station, described host cell 42, time also for not needing the secondary wireless set up to connect, the releasing request message of the secondary wireless connection comprising the mark of assisted cell Base Station Identification and UE is sent to base station 43, described assisted cell, send the releasing request message of the secondary wireless connection comprising assisted cell Base Station Identification simultaneously to described UE 44, and receive the release acknowledge message of the secondary wireless connection that base station 43, described assisted cell sends;
Base station, described assisted cell 43, also for receive base station 42, described host cell send releasing request message after, by the information interaction with described UE 44, stop secondary wireless therebetween and connect, send releasing request message to base station, described host cell 42 afterwards;
Described UE 44, also for after receiving releasing request message that base station 42, described host cell sends, by the information interaction with base station, described assisted cell 43, stops secondary wireless therebetween and connects.
Base station, described assisted cell 43, also for after receiving business datum, sends to UE 44 by the business datum received;
Described UE 44, also for receiving the business datum that base station 43, described assisted cell sends.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a method for data interaction in coordinate multipoint (CoMP) communication technology, it is characterized in that, the method comprises:
When data interaction pattern is centralized distribution data mode, the business datum being handed down to subscriber equipment (UE) is sent to base station, host cell by core net, after base station, host cell receives business datum, the business datum received is sent to base station, assisted cell; Or,
When data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell by core net; Wherein, base station, described host cell is according to the load state determination data interaction pattern of self; Or base station, described host cell needs the type of the business datum of transmission to decide data interaction pattern according to UE;
Further, when the traffic data type that MME/S-GW is handed down to UE is not the type of the business datum arranged, the business datum being handed down to UE is sent to base station, host cell by S1 interface by MME/S-GW; After host cell receives business datum, the business datum received is sent to UE.
2. method according to claim 1, is characterized in that, described method is specially:
When data interaction pattern is centralized distribution data mode, and the traffic data type that core net is handed down to UE is when being the type of the business datum arranged, the business datum being handed down to UE is sent to base station, host cell by S1 interface by core net, after base station, host cell receives business datum, by X2 interface, the business datum received is sent to base station, assisted cell; Or,
When data interaction pattern is distributed distributing data mode, and when the traffic data type that core net is handed down to UE is the type of the business datum arranged, the business datum being handed down to UE is sent to base station, assisted cell by S1 interface by core net.
3. method according to claim 1 and 2, is characterized in that, before the business datum being handed down to UE is sent to base station, host cell by core net, the method comprises further:
UE starts shooting and carries out initialization;
UE and base station, host cell are set up main wireless link and are connected, and UE sets up secondary wireless with base station, assisted cell and is connected afterwards;
Base station, host cell sends auxiliary RAB (E-RAB) and sets up request message to base station, assisted cell;
After base station, assisted cell receives request message, according to self system load condition current, after defining enough Radio Resources, according to wireless spread-spectrum technology (RLC) the layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, send auxiliary E-RAB to base station, host cell and set up response message afterwards; Or,
Before the business datum being handed down to UE is sent to base station, assisted cell by core net, the method comprises further:
UE starts shooting and carries out initialization;
UE and base station, host cell are set up main wireless link and are connected, and UE sets up secondary wireless with base station, assisted cell and is connected afterwards;
Base station, host cell sends auxiliary E-RAB and sets up request message to base station, assisted cell;
After base station, assisted cell receives request message, according to self system load condition current, after defining enough Radio Resources, send E-RAB to core net and set up request message, simultaneously according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self;
After core net receives and sets up request message, return E-RAB to base station, assisted cell and set up response message;
After base station, assisted cell receives and sets up response message, send auxiliary E-RAB to base station, host cell and set up response message.
4. method according to claim 3, is characterized in that, described UE sets up secondary wireless with base station, assisted cell and is connected, and is specially:
UE sends secondary wireless establishment of connection request message to base station, host cell;
After base station, host cell receives message, send secondary wireless establishment of connection request message to base station, assisted cell;
After base station, assisted cell receives message, after confirmation can accept to carry out business foundation with UE, send secondary wireless establishment of connection acknowledge message to base station, host cell;
After base station, host cell receives message, be base station, assisted cell by this assisted cell basestation marker, send secondary wireless establishment of connection acknowledge message to UE afterwards.
5. method according to claim 3, is characterized in that, the method comprises further:
Base station, assisted cell, according to self system load condition current, after determining do not have enough Radio Resources, sends auxiliary E-RAB and sets up refuse information to base station, host cell.
6. method according to claim 1 and 2, is characterized in that, the method comprises further:
After base station, assisted cell receives business datum, the business datum received is sent to UE.
7. method according to claim 3, is characterized in that, the method comprises further:
When the secondary wireless not needing to have set up connects, base station, host cell sends the releasing request message of the secondary wireless connection comprising the mark of assisted cell Base Station Identification and UE to base station, assisted cell, send the releasing request message of the secondary wireless connection comprising assisted cell Base Station Identification to UE simultaneously;
After UE and base station, assisted cell receive releasing request message, by information interaction, the secondary wireless stopped therebetween connects;
Afterwards, base station, assisted cell sends the release acknowledge message that secondary wireless connects to base station, host cell.
8. a system for data interaction in CoMP communication technology, is characterized in that, this system comprises: core net, base station, host cell and base station, assisted cell;
Core net, for when data interaction pattern is centralized distribution data mode, sends to base station, host cell by the business datum being handed down to UE; Or, when data interaction pattern is distributed distributing data mode, the business datum being handed down to UE is sent to base station, assisted cell;
Base station, host cell, for after the business datum receiving core net transmission, sends to base station, assisted cell by the business datum received;
Base station, assisted cell, for receiving the business datum that base station, host cell sends; Or, receive the business datum that core net sends; Wherein, base station, described host cell is according to the load state determination data interaction pattern of self; Or base station, described host cell needs the type of the business datum of transmission to decide data interaction pattern according to UE;
Described core net, time also for not being the type of business datum arranged when the traffic data type being handed down to UE, sends to base station, host cell by S1 interface by the business datum being handed down to UE;
Base station, described host cell, also for after receiving business datum, sends to UE by the business datum received;
Described UE, also for receiving the business datum that base station, host cell sends.
9. system according to claim 8, is characterized in that, described core net specifically for:
When data interaction pattern is centralized distribution data mode and the traffic data type being handed down to UE is the type of the business datum arranged, by S1 interface, the business datum being handed down to UE is sent to base station, host cell; Or, when data interaction pattern is distributed distributing data mode, and when the traffic data type being handed down to UE is the type of the business datum arranged, by S1 interface, the business datum being handed down to UE is sent to base station, assisted cell;
Base station, described host cell specifically for:
After the business datum receiving core net transmission, by X2 interface, the business datum received is sent to base station, assisted cell.
10. system according to claim 9, is characterized in that, this system comprises UE further, for starting shooting and after carrying out initialization, setting up main wireless link and be connected, set up secondary wireless be afterwards connected with base station, assisted cell with base station, host cell;
Base station, described host cell, also set up request message for sending auxiliary E-RAB to base station, described assisted cell, and the auxiliary E-RAB receiving the transmission of base station, described assisted cell sets up response message;
Base station, described assisted cell, also for when data interaction pattern is centralized distribution data mode, the auxiliary E-RAB receiving the transmission of base station, described host cell sets up request message, and after receiving request message, according to self system load condition current, after defining enough Radio Resources, according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, send auxiliary E-RAB to base station, described host cell and set up response message afterwards, or, when data interaction pattern is distributed distributing data mode, the auxiliary E-RAB receiving the transmission of base station, described host cell sets up request message, and after receiving request message, according to self system load condition current, after defining enough Radio Resources, send E-RAB to described core net and set up request message, simultaneously according to the rlc layer wireless connections transmission mode of eating dishes without rice or wine of the air interface transmission pattern configurations in request message self, and receiving after E-RAB that described core net returns sets up response message, send auxiliary E-RAB to base station, described host cell and set up response message,
Described core net, also for receive base station, described assisted cell send E-RAB set up request message after, return E-RAB to base station, described assisted cell and set up response message.
11. systems according to claim 10, is characterized in that,
Base station, described assisted cell, also for according to self system load condition current, after determining do not have enough Radio Resources, sends auxiliary E-RAB and sets up refuse information to base station, described host cell;
Base station, described host cell, the auxiliary E-RAB also sent for receiving base station, described assisted cell sets up refuse information.
12. systems according to claim 10, is characterized in that,
Base station, described host cell, time also for not needing the secondary wireless set up to connect, the releasing request message of the secondary wireless connection comprising the mark of assisted cell Base Station Identification and UE is sent to base station, described assisted cell, send the releasing request message of the secondary wireless connection comprising assisted cell Base Station Identification simultaneously to described UE, and receive the release acknowledge message of the secondary wireless connection that base station, described assisted cell sends;
Base station, described assisted cell, also for after receiving releasing request message that base station, described host cell sends, by the information interaction with described UE, stops secondary wireless therebetween and connects, send releasing request message to base station, described host cell afterwards;
Described UE, also for after receiving releasing request message that base station, described host cell sends, by the information interaction with base station, described assisted cell, stops secondary wireless therebetween and connects.
System described in 13. any one of according to Claim 8 to 12, is characterized in that,
Base station, described assisted cell, also for the business datum received is sent to UE;
Described UE, also for receiving the business datum that base station, described assisted cell sends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010252877.1A CN102378181B (en) | 2010-08-10 | 2010-08-10 | A kind of method and system of data exchange in coordinated multi-point communication technology |
| PCT/CN2011/074447 WO2012019476A1 (en) | 2010-08-10 | 2011-05-20 | Method and system for data interaction in coordinated multiple point communication technology |
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| CN201010252877.1A CN102378181B (en) | 2010-08-10 | 2010-08-10 | A kind of method and system of data exchange in coordinated multi-point communication technology |
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| JP5969298B2 (en) * | 2012-07-27 | 2016-08-17 | 株式会社Ｎｔｔドコモ | Mobile station, small radio base station, and communication control method |
| CN110461029B (en) * | 2012-11-02 | 2022-07-08 | 北京三星通信技术研究有限公司 | Data transmission method and system under heterogeneous network |
| CN104137646B (en) * | 2013-02-01 | 2018-11-16 | 华为技术有限公司 | The method and apparatus of data interaction |
| CN104054388B (en) * | 2013-12-19 | 2018-06-05 | 华为技术有限公司 | The implementation method and apparatus and system of a kind of carrier aggregation |
| CN109429368B (en) * | 2017-06-23 | 2022-03-01 | 中兴通讯股份有限公司 | Message sending method, system, device, network element, storage medium and processor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1505782A2 (en) * | 2003-08-07 | 2005-02-09 | Samsung Electronics Co., Ltd. | Method for cell reselection for reception of packet data |
| CN101420672A (en) * | 2007-10-22 | 2009-04-29 | 中兴通讯股份有限公司 | Implementing method for user service fast access |
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| US8942165B2 (en) * | 2008-08-01 | 2015-01-27 | Qualcomm Incorporated | System and method for distributed multiple-input multiple-output (MIMO) in a wireless communication system |
| CN101645729A (en) * | 2008-08-08 | 2010-02-10 | 夏普株式会社 | Multi-antenna multi-base station cooperative method for downlink honeycomb system and base stations |
| CN101686557B (en) * | 2008-09-22 | 2014-04-02 | 华为技术有限公司 | Method and device for sending multi-cell scheduling information and user equipment |
| CN101741439B (en) * | 2008-11-10 | 2013-06-05 | 中兴通讯股份有限公司 | Coordinated multi-point transmission method |
| CN101883402A (en) * | 2009-05-07 | 2010-11-10 | 中兴通讯股份有限公司 | Cooperative data transmission method and system |
| CN101662319A (en) * | 2009-09-23 | 2010-03-03 | 东南大学 | Closed loop macro diversity method based on disturbance theory in coordinated multi-point system |
-
2010
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1505782A2 (en) * | 2003-08-07 | 2005-02-09 | Samsung Electronics Co., Ltd. | Method for cell reselection for reception of packet data |
| CN101420672A (en) * | 2007-10-22 | 2009-04-29 | 中兴通讯股份有限公司 | Implementing method for user service fast access |
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| WO2012019476A1 (en) | 2012-02-16 |
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