CN107438273A

CN107438273A - The determination method and device of data processing state in carrying transfer

Info

Publication number: CN107438273A
Application number: CN201610357327.3A
Authority: CN
Inventors: 刘星
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2016-05-26
Filing date: 2016-05-26
Publication date: 2017-12-05
Anticipated expiration: 2036-05-26
Also published as: CN107438273B

Abstract

The invention provides a kind of determination method and device for carrying data processing state in transfer, wherein, this method includes：UE receives the PDCP control PDU that source base station is sent, wherein, PDCP controls PDU is made up of the PDCP entities that carrying is shunted on the source base station；After corresponding PDCP data SDU is delivered to upper strata by the UE according to PDCP controls PDU, the UE determines that all downlink datas in shunting carrying are disposed.Using above-mentioned technical proposal, solve the problems, such as in correlation technique UE or base station side can not know in time in shunting carrying up-downgoing data whether end of transmission, UE or base station side timely and accurately confirm that up-downgoing data transfer finishes.

Description

The determination method and device of data processing state in carrying transfer

Technical field

The present invention relates to the communications field, in particular to a kind of determination method for carrying data processing state in transfer And device.

Background technology

Fig. 1 is the user face data association of long-term evolution (Long-term evolution, referred to as LTE) in correlation technique Discuss stack schematic diagram, as shown in figure 1, base station (Evolved Node B, referred to as eNB) from core net (Core Network, referred to as For CN) through user level GPRS Tunnel Protocol (GTP-U, GPRS Tunnelling Protocol for the User Plane the downlink data) received, PDCP (Packet Data Convergence are passed through after unpacking Protocol, referred to as PDCP) layer, wireless spread-spectrum technology (Radio Link Control, referred to as RLC) protocol layer, media Access Control (Medium Access Control, referred to as MAC) protocol layer and physical layer (Physical layer, are referred to as PHY user equipment (User Equipment, referred to as UE) is sent to after) handling；The transmission of upstream data and downlink data are just It is good opposite.

Fig. 2 is a kind of enhanced user face data protocol stack schematic diagram for being used to carry transfer in correlation technique, such as Fig. 2 institutes Show it is that UE is switched to target BS (Target eNB, referred to as T-eNB) from source base station (Source eNB, referred to as S-eNB) A kind of or user of the enhancing used when part or all of user plane bearer (bearer) is transferred into target BS from source base station Face data protocol stack., for the user plane bearer that any one is transferred on target BS from source base station for UE, except in UE Established with target BS outside the new user plane bearer after shifting, it is also necessary to be changed to shunt by the former carrying on UE and source base station Carry (Split Bearer).In the downstream direction, the packet that all source base stations are received from core net by S1 interfaces, source base Stand and all give source base station and target BS transmission respectively by shunting carrying, until receiving last data from core net Bag.In the upstream direction, UE is sent by shunting the part on the part and target BS that are carried on source base station to source base station Packet.Wherein, when the part that is carried on target BS of shunting receives the packet from UE, can be transmitted at source base station Reason.After UE is successfully accessed target BS, follow-up upstream data bag is sent via the new user plane bearer after transfer.

For UE, it may just receive to come from and newly hold before the downlink data in shunting carrying is received and is disposed The data of load, UE need to wait until that the downlink data in shunting carrying all receives and is disposed and is delivered to after upper strata, just may be used To start to submit the downlink data from new bearer to upper strata.And for target BS, it is also possible to source base station receive and Before having handled all upstream datas from shunting carrying, the upstream data from new bearer is just received, target BS needs When source base station receives and has handled so from the upstream data for shunting carrying and all upstream datas are delivered into core net Afterwards, can just start to submit the upstream data from new bearer to core net.

When all upstream datas and downlink data have all been sent, network can also trigger to be deleted to shunting carrying Remove.

Meanwhile Fig. 2 gives a kind of shunting mode of conventional shunting carrying, i.e. data are between PDCP layers and rlc layer Shunt, give source base station and target BS transmission respectively.Data can equally shunt in RLC, MAC or PHY.

It can not know whether up-downgoing data are transmitted in shunting carrying in time for UE in correlation technique or base station side The problem of finishing, there is presently no efficiently solve method.

The content of the invention

The embodiments of the invention provide a kind of determination method and device for carrying data processing state in transfer, at least to solve Certainly in correlation technique UE or base station side can not know in time shunting carrying in up-downgoing data whether end of transmission the problem of.

According to one embodiment of present invention, there is provided a kind of determination method for carrying data processing state in transfer, bag Include：User equipment (UE) receives the PDCP PDCP control protocol data cell PDU that source base station is sent, wherein, institute State what PDCP controls PDU was made up of the PDCP entities that carrying is shunted on the source base station, the PDCP controls PDU is carried most The descending PDCP data service datas cell S DU of the latter PDCP sequence numbers (Serial Number, referred to as SN) and instruction letter Breath, wherein, the configured information is used to indicate that the PDCP controls PDU carries last descending PDCP data SDU PDCP SN PDCP controls PDU；Corresponding PDCP data SDU is delivered to upper strata by the UE according to PDCP controls PDU Afterwards, the UE determines that all downlink datas in the shunting carrying are disposed.

Alternatively, before the downlink data that the UE determines to shunt in carrying is disposed, methods described also includes： The UE determines that the PDCP controls PDU is last descending PDCP data SDU of carrying PDCP according to the configured information SN PDCP controls PDU；The UE obtains last descending PDCP data SDU PDCP by PDCP controls PDU Last descending PDCP data SDU received and all PDCP SN is less than last descending PDCP by SN, the UE Data SDU PDCP SN descending PDCP data SDU is sequentially delivered to upper strata.

Alternatively, after the UE determines that all downlink datas shunted in carrying are disposed, the UE triggerings The PDCP entities of new carrying submit downlink data toward upper strata.

Alternatively, after the UE determines that all downlink datas shunted in carrying are disposed, the UE passes through Carrying is shunted described in wireless heterogeneous networks (Radio Resource Control, referred to as RRC) message informing chain of command base station On all downlink datas be disposed or one or more shunting carrying on downlink data handled Finish.

According to one embodiment of present invention, there is provided a kind of determination method for carrying data processing state in transfer, bag Include：The PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, the PDCP controls PDU is used to indicate that UE is true All downlink datas in the fixed shunting carrying have been disposed, and it is descending that the PDCP controls PDU carries last PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to carry most The descending PDCP data SDU of the latter PDCP SN PDCP controls PDU；The source base station sends the PDCP and controls PDU to institute State UE.

Alternatively, methods described also includes：When the source base station by before all end of identification bags under S-GW After row packet is all sent to the UE or is transmitted to target BS, the source base station passes through X2 message informing chains of command base station institute The source base station for stating shunting carrying is partially completed the source base station part of downlink data transmission or one or more shunting carryings Downlink data is completed to send.

Alternatively, methods described also includes：When the source base station by before all end of identification bags under S-GW Row packet is all sent to the UE or is transmitted to target BS, and determines all upstream datas in the shunting carrying After receiving and being disposed, the source base station is by shunting the source base station of carrying described in X2 message informing chains of command base station Downlink data transmission is partially completed, and all upstream datas have been disposed, or, in one or more shunting carryings The source base station be partially completed that downlink data is sent and all upstream datas are received and be disposed.

According to one embodiment of present invention, there is provided a kind of determination method for carrying data processing state in transfer, bag Include：Source base station receives the PDCP control PDU that UE is sent, wherein, the PDCP controls PDU is by shunting carrying on the UE PDCP entities composition, the PDCP controls PDU carries last up PDCP data SDU PDCPSN and instruction is believed Breath, wherein, the configured information indicates that the PDCP controls PDU is the PDCP for carrying last up PDCP data SDU SN PDCP controls PDU；Corresponding PDCP data SDU is delivered to service network by the source base station according to PDCP controls PDU After pipe S-GW, the source base station determines that all upstream datas in the shunting carrying receive and are disposed.

Alternatively, before the source base station determines that all upstream datas shunted in carrying are received and are disposed, Methods described also includes：The source base station determines that the PDCP controls PDU is carried on last according to the configured information Row PDCP data SDU PDCPSN PDCP controls PDU；The source base station controls PDU to obtain last by the PDCP Up PDCP data SDU PDCP SN, the source base station is by last the up PDCP data SDU received and owns PDCP SNs of the PDCP SN less than last up PDCP data SDU up PDCP data SDU is sequentially delivered to S-GW.

Alternatively, after the source base station determines that all upstream datas shunted in carrying are received and are disposed, The source base station by X2 message informing target BS, the PDCP entities of new bearer corresponding to the shunting carrying can start by Sequence submits upstream data to S-GW.

Alternatively, methods described also includes：The source base station is it is determined that up in one or more shunting carryings Data receiver and after being disposed, the source base station indicates that one or more of shuntings are held on target BS by X2 message New bearer corresponding to load can start sequentially to submit upstream data to S-GW.

Alternatively, transmission means of the X2 message between source base station and target BS includes one below：From source base Station is dealt into target BS, the X2 message of the source base station is forwarded into target BS by core net, or pass through chain of command base station The X2 message of the source base station is forwarded to target BS.

Alternatively, the information that the X2 message carries includes one below：Shunt mark, the mark of new bearer of carrying And/or the mark of core packet networks evolution EPS carryings；Last upper up PDCP data SDU of shunting carrying PDCP SN or First up PDCP data SDU PDCP SN on new bearer；The PDCP entities for triggering new bearer on target BS can be to S- GW sequentially submits the configured information of upstream data.

Alternatively, methods described also includes：When the source base station has determined all upstream datas shunted in carrying Received and after being disposed, the source base station passes through the upper all upper line numbers of shunting carrying described in X2 message informing chains of command base station According to received and be disposed, or, all upstream datas in one or more shunting carryings are received and place Reason finishes.

According to one embodiment of present invention, there is provided a kind of determination method for carrying data processing state in transfer, bag Include：The PDCP entities composition PDCP control PDU of carrying are shunted on UE, wherein, the PDCP controls PDU is used to indicate that source base station is true All upstream datas in the fixed shunting carrying have been disposed, and it is up that the PDCP controls PDU carries last PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to carry most The up PDCP data SDU of the latter PDCP SN PDCP controls PDU；The UE sends the PDCP and controls PDU to the source Base station.

According to one embodiment of present invention, there is provided a kind of determination method for carrying data processing state in transfer, bag Include：Chain of command base station receives notification message, wherein, the notification message is used to notify one or more points of the chain of command base station The up and/or downlink data of stream carrying has been disposed；The chain of command base station is according to described in notification message determination The up and/or downlink data of one or more shunting carrying has been disposed.

Alternatively, the notification message is sent to the chain of command base station by least one following equipment：Source base station, mesh Mark base station, user equipment (UE).

Alternatively, the notification message is used for the lower line number from S-GW before all end of identification bags in source base station In the case of being all sent to UE according to bag or be transmitted to after target BS, sent as the source base station to described in the notice of chain of command base station Chain of command base station：The source base station in shunting carrying is partially completed downlink data transmission, or, one or more of shuntings The source base station in carrying is partially completed downlink data transmission.

Alternatively, the notification message be used for source base station determine shunting carrying on all upstream datas it is received and In the case of after being disposed, sent by the source base station to chain of command base station and notify the chain of command base station to notify chain of command base Stand：It is received and be disposed that shunting carries all upstream datas, or, one or more of shunting carryings it is upper it is all on Row data are received and are disposed.

Alternatively, the notification message be used for source base station by before all end of identification bags under gateway Row packet is all sent to UE or is transmitted to target BS, and determines that all upstream datas in shunting carrying are received and locate In the case of managing after finishing, the source base station notice chain of command base station：The source base station in shunting carrying is partially completed down Row data transfer, and all upstream datas have received and have been disposed, or, it is described in one or more of shunting carryings Source base station is partially completed downlink data transmission, and all upstream datas have received and have been disposed.

Alternatively, the notification message includes：The notification message is X2 message, the sending method bag of the X2 message Include：Chain of command base station is sent to by source base station, the X2 message of the source base station is forwarded to chain of command base station by core net；It is described X2 message carries one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying；Described point The instruction letter that the source base station of stream carrying completes the instruction of downlink data transmission and/or all upstream datas have received and have been disposed Breath.

Alternatively, all PDCP data PDU that the notification message is used for before target BS completes end of identification bag Transmission after in the case of, sent by the target BS to the chain of command base station and notify the chain of command base station：Shunting is held The target BS in load is partially completed downlink data transmission, or, the mesh in one or more of shunting carryings Mark base station portion and complete downlink data transmission.

Alternatively, the notification message includes：The notification message is X2 message, and the sending method of the X2 message includes One below：Chain of command base station is sent to by target BS, the X2 message of the target BS is forwarded to control by core net Face base station；The X2 message carries one of following information：Shunt mark, the mark of new bearer and/or the EPS carrying of carrying Mark；The target BS of the shunting carrying is partially completed the instruction of downlink data transmission and/or all upstream datas have received With the configured information being disposed.

Alternatively, all downlink datas that the notification message is used on UE judges that shunting carries are received and handle After in the case of, sent by the UE to the chain of command base station and notify the chain of command base station：Shunting carrying is owned Downlink data is received and is disposed, or, all downlink datas in one or more of shunting carryings have connect Receive and be disposed.

Alternatively, the notification message is sent to the chain of command base station by the UE by RRC information.

Alternatively, the upper of one or more of shunting carryings is determined according to the notification message in the chain of command base station After row and/or downlink data have been disposed, the chain of command base station is sent for indicating to shunt the release carried to UE RRC connection reconfiguration messages.

Alternatively, the upper of one or more of shunting carryings is determined according to the notification message in the chain of command base station After row and/or downlink data have been disposed, the chain of command base station sends shunting carrying release message to source base station, its In, the shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, described point Stream carrying release message be used to indicating the source base station delete the user face protocol stack that shunting is carried on the source base station and Release shunting bearing resource.

Alternatively, the upper of one or more of shunting carryings is determined according to the notification message in the chain of command base station After row and/or downlink data have been disposed, the chain of command base station sends shunting carrying release message to target BS, Wherein, the shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, described Shunting carrying release message instruction target BS, which is deleted, to be shunted the user face protocol stack being carried on the target BS and releases Put shunting bearing resource.

Alternatively, the upper of one or more of shunting carryings is determined according to the notification message in the chain of command base station After row and/or downlink data have been disposed, the chain of command base station sends source base station to source base station and deletes message, its In, the source base station is deleted message and discharged including prothetic group station release message SeNB Release Request and/or UE context Message Context Release.

According to another embodiment of the invention, there is provided a kind of determining device for carrying data processing state in transfer, Including：First receiving module, for receiving the PDCP PDCP control protocol data cells of source base station transmission PDU, wherein, what the PDCP controls PDU was made up of the PDCP entities that carrying is shunted on the source base station, the PDCP controls PDU carries last descending PDCP data service datas cell S DU PDCP sequence numbers SN and configured information, wherein, institute Configured information is stated to be used to indicate that the PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU PDCP controls PDU；First determining module, it is connected with the first receiving module, for controlling PDU by corresponding to according to the PDCP After PDCP data SDU is delivered to upper strata, determine that all downlink datas in the shunting carrying are disposed.

Alternatively, first determining module is additionally operable to it is determined that all downlink datas in shunting carrying are disposed it Before, determine that the PDCP controls PDU is last descending PDCP data SDU of carrying PDCP SN according to the configured information PDCP control PDU；First determining module is additionally operable to control PDU to obtain last descending PDCP number by the PDCP According to SDU PDCP SN, last descending PDCP data SDU received and all PDCP SN is less than under last Row PDCP data SDU PDCP SN descending PDCP data SDU is sequentially delivered to upper strata.

Alternatively, the first determining module is additionally operable to it is determined that all downlink datas in the shunting carrying are disposed it Afterwards, the PDCP entities for triggering new carrying submit downlink data toward upper strata.

Alternatively, the first determining module is additionally operable to it is determined that all downlink datas in the shunting carrying are disposed it Afterwards, handled by shunting all downlink datas in carrying described in radio resource control RRC message informing chain of command base station Finish or one or more downlink datas shunted in carrying have been disposed.

According to one embodiment of present invention, there is provided a kind of determining device for carrying data processing state in transfer, should For source base station, it is characterised in that described device includes：First comprising modules, the PDCP that carrying is shunted on source base station are real Body composition PDCP control PDU, wherein, the PDCP control PDU are for indicating that it is all descending in the shunting carrying that UE is determined Data have been disposed, and the PDCP controls PDU carries last descending PDCP data SDU PDCP SN and instruction Information, wherein, the configured information indicates that the PDCP controls PDU carries last descending PDCP data SDU PDCP SN PDCP controls PDU；First sending module, it is connected with the first comprising modules, for sending the PDCP controls PDU To the UE.

Alternatively, described device also includes：First notification module, it is connected to before the first comprising modules, for described The downlink data packet from S-GW before all end of identification bags is all sent to the UE or is transmitted to target base by source base station After standing, the source base station by shunting carrying described in X2 message informing chains of command base station is partially completed downlink data transmission or one The source base station of individual or multiple shunting carryings is partially completed downlink data transmission.

Alternatively, described device also includes：Second notification module, it is connected to before the first comprising modules, for described The downlink data packet from S-GW before all end of identification bags is all sent to the UE or is transmitted to target base by source base station Stand, and determine that all upstream datas in the shunting carrying are received and after being disposed, and pass through X2 message informing controls The source base station that carrying is shunted described in face base station processed is partially completed downlink data transmission, and all upstream datas have been handled Finish, or, the source base station in one or more shunting carryings is partially completed downlink data transmission and all upper line numbers According to received and be disposed.

According to one embodiment of present invention, there is provided a kind of determining device for carrying data processing state in transfer, should For source base station, it is characterised in that including：Second receiving module, the PDCP for receiving UE transmissions control PDU, wherein, it is described PDCP controls PDU is made up of the PDCP entities that carrying is shunted on the UE, and the PDCP controls PDU carries last Up PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to carry There is last up PDCP data SDU PDCP SN PDCP controls PDU；Second determining module, connect with the second receiving module Connect, after corresponding PDCP data SDU is delivered into service webmaster S-GW according to PDCP control PDU, it is determined that described point All upstream datas in stream carrying receive and are disposed.

Alternatively, second determining module be additionally operable to it is determined that it is described shunting carrying on all upstream datas receive and Before being disposed, determine that the PDCP controls PDU is to carry last up PDCP data SDU according to the configured information PDCP SN PDCP control PDU；Second determining module is additionally operable to control PDU to obtain last by the PDCP Up PDCP data SDU PDCP SN, the source base station is by last the up PDCP data SDU received and owns PDCP SNs of the PDCP SN less than last up PDCP data SDU up PDCP data SDU is sequentially delivered to S-GW.

Alternatively, second determining module is additionally operable to determine that the shunting carries all up in the source base station Data receiver and after being disposed, by X2 message informing target BS, the PDCP of new bearer corresponding to the shunting carrying Entity can start sequentially to submit upstream data to S-GW.

Alternatively, described device also includes：Second determining module be additionally operable to the source base station it is determined that one or After upstream data in multiple shunting carryings is received and is disposed, indicated by X2 message described one on target BS New bearer corresponding to individual or multiple shunting carryings can start sequentially to submit upstream data to S-GW.

Alternatively, second determining module is additionally operable to when the source base station determines that the shunting carries all up Data are received and after being disposed, by having shunted the upper all upstream datas of carrying described in X2 message informing chains of command base station It is received and be disposed, or, all upstream datas in one or more shunting carryings are received and handled Finish.

According to one embodiment of present invention, there is provided a kind of determining device for carrying data processing state in transfer, should For UE, it is characterised in that described device includes：Second comprising modules, the PDCP entities composition of carrying is shunted on UE PDCP controls PDU, wherein, the PDCP controls PDU is used for all upper line numbers for indicating that source base station is determined in the shunting carrying According to being disposed, the PDCP controls PDU carries last up PDCP data SDU PDCP SN and instruction is believed Breath, wherein, the configured information indicates that the PDCP controls PDU carries last up PDCP data SDU PDCPSN PDCP controls PDU；Second sending module, be connected with the second comprising modules, for send the PDCP control PDU to The source base station.

According to one embodiment of present invention, there is provided a kind of determining device for carrying data processing state in transfer, should For chain of command base station, it is characterised in that including：3rd receiving module, for receiving notification message, wherein, the notice disappears Cease for notifying the up and/or downlink data of the one or more shunting carryings in the chain of command base station to be disposed；The Three determining modules, it is connected with the 3rd receiving module, for determining one or more of shunting carryings according to the notification message Up and/or downlink data be disposed.

Alternatively, wherein, the notification message is sent to the chain of command base station by least one following equipment：Source base Stand, target BS, user equipment (UE).

Alternatively, the notification message includes：The notification message is X2 message, the sending method bag of the X2 message Include：Chain of command base station is sent to by source base station, the X2 message of the source base station is forwarded to chain of command base station by core net；

The X2 message carries one of following information：Shunt mark, the mark of new bearer and/or the EPS carrying of carrying Mark；The source base station of the shunting carrying completes the instruction of downlink data transmission and/or all upstream datas have been received and located Manage the configured information finished.

Alternatively, the notification message includes：The notification message is X2 message, and the sending method of the X2 message includes One below：Chain of command base station is sent to by target BS, the X2 message of the target BS is forwarded to control by core net Face base station；

The X2 message carries one of following information：Shunt mark, the mark of new bearer and/or the EPS carrying of carrying Mark；The target BS of the shunting carrying is partially completed the instruction of downlink data transmission and/or all upstream datas have connect The configured information received and be disposed.

Alternatively, described device also includes：First indicating module, it is connected with the 3rd determining module, for being sent out to UE Send the release RRC connection reconfiguration messages for indicating shunting carrying.

Alternatively, described device also includes：Second indicating module, it is connected with the 3rd determining module, for being sent out to source base station Shunting carrying release message is sent, wherein, the shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, the shunting carrying release message is for indicating that it is described that the source base station deletion shunting is carried on User face protocol stack and release shunting bearing resource on source base station.

Alternatively, described device also includes：3rd indicating module, it is connected with the 3rd determining module, for target BS Shunting carrying release message is sent, wherein, the shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, the shunting carrying release message instruction target BS delete shunting and are carried on the target base User face protocol stack and release shunting bearing resource on standing.

Alternatively, described device also includes：4th indicating module, it is connected with the 3rd determining module, for being sent out to source base station Source base station is sent to delete message, wherein, the source base station, which deletes message, includes prothetic group station release message SeNB Release Request and/or UE context release message Context Release.

According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used In the program code for performing following steps：

User equipment (UE) receives the PDCP PDCP control protocol data cell PDU that source base station is sent, its In, what the PDCP controls PDU was made up of the PDCP entities that carrying is shunted on the source base station, the PDCP controls PDU takes PDCP sequence numbers SN and configured information with last descending PDCP data service datas cell S DU, wherein, the instruction Information is used for the PDCP controls for indicating that the PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU PDU；

After corresponding PDCP data SDU is delivered to upper strata by the UE according to PDCP controls PDU, the UE determines institute All downlink datas stated in shunting carrying are disposed.

Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：

The PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, the PDCP controls PDU is used to refer to Show that UE determines that all downlink datas in the shunting carrying have been disposed, the PDCP controls PDU carries last Individual descending PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to take The PDCP controls PDU of PDCP SN with last descending PDCP data SDU；

The source base station sends the PDCP controls PDU to the UE.

Source base station receives the PDCP control PDU that UE is sent, wherein, the PDCP controls PDU is held by being shunted on the UE The PDCP entities composition of load, the PDCP controls PDU carries last up PDCP data SDU PDCP SN and referred to Show information, wherein, the configured information indicates that the PDCP controls PDU carries last up PDCP data SDU PDCP SN PDCP controls PDU；

After corresponding PDCP data SDU is delivered to service webmaster S-GW by the source base station according to PDCP control PDU, The source base station determines that all upstream datas in the shunting carrying receive and are disposed.

The PDCP entities composition PDCP control PDU of carrying are shunted on UE, wherein, the PDCP controls PDU is used to indicate source Base station determines that all upstream datas in the shunting carrying have been disposed, and the PDCP controls PDU carries last Individual up PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to take The PDCP controls PDU of PDCP SN with last up PDCP data SDU；

The UE sends the PDCP and controls PDU to the source base station.

Chain of command base station receives notification message, wherein, the notification message be used to notifying the chain of command base station one or The up and/or downlink data of multiple shunting carryings has been disposed；

The chain of command base station according to the notification message determine it is one or more of shunting carrying it is up and/or under Row data have been disposed.

By the present invention, carry in transfer process, either UE is receiving last up or lower line number to source base station According to afterwards, the PDCP entities composition PDCP control PDU of the shunting carrying of the two, PDCP is controlled PDU by source base station or UE respectively UE or source base station are sent to, receiving PDCP controls PDU equipment can control PDU to determine above-mentioned shunting carrying according to the PDCP It is descending or up be disposed.Using above-mentioned technical proposal, solve in correlation technique UE or base station side can not and When know in shunting carrying up-downgoing data whether end of transmission the problem of, on UE or base station side timely and accurately confirm Downlink data transmission finishes.

Brief description of the drawings

Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the user face data association of long-term evolution (Long-term evolution, referred to as LTE) in correlation technique Discuss stack schematic diagram；

Fig. 2 is a kind of enhanced user face data protocol stack schematic diagram for being used to carry transfer in correlation technique；

Fig. 3 is the flow chart one of the determination method of data processing state in carrying transfer according to embodiments of the present invention；

Fig. 4 is the flowchart 2 of the determination method of data processing state in carrying transfer according to embodiments of the present invention；

Fig. 5 is the flow chart of the determination method of data processing state in carrying transfer according to embodiments of the present invention；

Fig. 6 is the flow chart of the determination method of data processing state in carrying transfer according to embodiments of the present invention；

Fig. 7 is the flow chart of the determination method of data processing state in carrying transfer according to embodiments of the present invention；

Fig. 8 is to control PDU schematic diagrames according to a kind of new PDCP of alternative embodiment of the present invention；

Fig. 9 is the up-downgoing data processing detail flowchart according to alternative embodiment of the present invention；

Figure 10 is to be directed to up-downgoing data according to notification message according to a kind of chain of command base station of alternative embodiment of the present invention The schematic diagram of processing；

Figure 11 is to be directed to upper and lower line number according to notification message according to another chain of command base station of alternative embodiment of the present invention According to the schematic diagram of processing；

Figure 12 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure one；

Figure 13 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure two；

Figure 14 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure three；

Figure 15 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure four；

Figure 16 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure five；

Figure 17 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure six；

Figure 18 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure seven；

Figure 19 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure eight；

Figure 20 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure nine；

Figure 21 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure ten；

Figure 22 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure 11.

Embodiment

Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.

It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.

Equipment receives end of identification bag, shows that the previous IP packets received of the end of identification bag are from service webmaster Last IP packet.

The purpose of the application is to realize a kind of enhanced user face data protocol stack in use, network judges With know shunting carrying on upstream data send and be disposed, after whole upstream datas has all been delivered to core net, New bearer on triggering target BS submits upstream data to core net, and notifies all upstream datas in chain of command base station all It is sent, and judges and know that the downlink data in shunting carrying all sends and is disposed, whole downlink datas is all After being delivered to UE upper stratas, the new bearer triggered on UE submits downlink data to UE upper stratas, and notifies chain of command base station to own Downlink data has all been sent.

Embodiment 1

The embodiment of the present application can be run in Long Term Evolution (Long Term Evolution, referred to as LTE) system, (including but is not limited to LTE system), the network architecture of the grid can include network side equipment (such as base station) and terminal. A kind of switching method that can run in the above-mentioned network architecture is provided in the present embodiment, it is necessary to which explanation, the application are real The running environment for applying the above-mentioned switching method provided in example is not limited to the above-mentioned network architecture.

Provide in the present embodiment it is a kind of run on the above-mentioned network architecture carrying transfer in data processing state really Determine method, Fig. 3 is the flow chart one of the determination method of data processing state in carrying transfer according to embodiments of the present invention, is such as schemed Shown in 3, the flow comprises the following steps：

Step S302, user equipment (UE) receive the PDCP PDCP control protocol data sheets that source base station is sent First PDU, wherein, PDCP controls PDU is made up of the PDCP entities that carrying is shunted on the source base station, PDCP controls PDU Last descending PDCP data service datas cell S DU PDCP sequence numbers SN and configured information is carried, wherein, the instruction Information is used for the PDCP controls for indicating that PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU PDU；

After corresponding PDCP data SDU is delivered to upper strata by step S304, the UE according to PDCP controls PDU, the UE is true All downlink datas in fixed shunting carrying are disposed.

Alternatively, the executive agent of above-mentioned steps can be terminal etc., but not limited to this.

Alternatively, before the downlink data that the UE determines to shunt in carrying is disposed, the UE is according to the configured information It is the PDCP controls PDU for the PDCP SN for carrying last descending PDCP data SDU to determine PDCP controls PDU；The UE passes through PDCP controls PDU obtains last descending PDCP data SDU PDCP SN, the UE by receive last is descending PDCP SNs of the PDCP data SDU and all PDCP SN less than last descending PDCP data SDU descending PDCP data SDU is sequentially delivered to upper strata.

Alternatively, after all downlink datas that the UE determines in shunting carrying are disposed, UE triggerings are new to hold The PDCP entities of load submit downlink data toward upper strata.

Alternatively, the UE determine the shunting carrying on all downlink datas be disposed after, the UE is by wirelessly providing All downlink datas in the chain of command base station shunting carrying of source control RRC information notice have been disposed or one or more Downlink data in individual shunting carrying has been disposed.

Fig. 4 is the flowchart 2 of the determination method of data processing state in carrying transfer according to embodiments of the present invention, such as Shown in Fig. 4, the flow comprises the following steps：

S402, the PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, PDCP controls PDU is used for Indicate that UE determines that all downlink datas in shunting carrying have been disposed, PDCP controls PDU carries last Descending PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that PDCP controls PDU is to carry most The descending PDCP data SDU of the latter PDCP SN PDCP controls PDU；

S404, the source base station send PDCP controls PDU to the UE.

Alternatively, when the downlink data packet from S-GW before all end of identification bags is all sent to this by the source base station UE or after being transmitted to target BS, the source base station part that the source base station is carried by the shunting of X2 message informing chains of command base station is complete Sent into downlink data or the source base station of one or more shunting carryings is partially completed downlink data and sent.

Alternatively, when the downlink data packet from S-GW before all end of identification bags is all sent to this by the source base station UE is transmitted to target BS, and determines that all upstream datas in shunting carrying are received and after being disposed, should The source base station that source base station is carried by the shunting of X2 message informing chains of command base station is partially completed downlink data transmission, and all Upstream data has been disposed, or, the source base station in one or more shunting carryings is partially completed downlink data hair Send and all upstream datas are received and are disposed.

The method that above-mentioned Fig. 3 and Fig. 4 are recorded is the method for downlink data, under being determined for downlink data The detailed process that row data are sent is as follows：Source base station is from core net, specifically, from gateway (Serving Gateway, referred to as S-GW) receive end of identification bag (End Maker Package) after, show that the end of identification bag is previous The IP packets received, it is last IP packet from gateway.The PDCP entities that carrying is shunted on source base station are After last IP allocation of packets PDCP SN (Sequence Number, sequence number), last descending PDCP number is obtained According to PDU (protocol Data Unit, Protocol Data Unit) or corresponding SDU (service data unit, Serving Data Unit PDCP SN).The PDCP entities of carrying are shunted on source base station, composition PDCP control PDU, the PDCP control PDU, are carried Last descending PDCP data SDU PDCP SN.Meanwhile PDCP controls PDU carries configured information, the configured information table Bright PDCP controls PDU is the PDCP controls PDU for the PDCP SN for carrying last descending PDCP data SDU.Source base station passes through Shunting carrying sends PDCP controls PDU to UE.The PDCP entities of carrying are shunted on UE by the configured information in PDCP packet header, It is the PDCP controls PDU for the PDCP SN for carrying last descending PDCP data SDU to judge PDCP controls PDU.UE passes through this PDCP controls PDU, obtains last descending PDCP data SDU PDCP SN.When UE receives last descending PDCP data PDCP SNs of the SDU and all PDCP SN less than last descending PDCP data SDU descending PDCP data SDU, and press After sequence is delivered to upper strata, UE judges that all downlink datas in shunting carrying are received and are disposed.

Received and after being disposed in all downlink datas that UE is judged in shunting carrying, UE triggers new carrying PDCP entities submit downlink data toward upper strata.

Fig. 5 is the flow chart of the determination method of data processing state in carrying transfer according to embodiments of the present invention, such as Fig. 5 Shown, the flow comprises the following steps：

S502, source base station receive the PDCP control PDU that UE is sent, wherein, PDCP controls PDU is held by being shunted on the UE The PDCP entities composition of load, PDCP controls PDU carries last up PDCP data SDU PDCP SN and instruction Information, wherein, the configured information indicates that PDCP controls PDU is the PDCP SN for carrying last up PDCP data SDU PDCP control PDU；

Corresponding PDCP data SDU is delivered to service webmaster S-GW by S504, the source base station according to PDCP control PDU Afterwards, the source base station determines that all upstream datas in shunting carrying receive and are disposed.

Alternatively, the source base station determines that all upstream datas in shunting carrying receive and before being disposed, the source Base station determines that PDCP controls PDU is last up PDCP data SDU of carrying PDCP SN according to the configured information PDCP controls PDU；The source base station controls PDU to obtain last up PDCP data SDU PDCP SN by the PDCP, is somebody's turn to do Last up PDCP data SDU received and all PDCP SN is less than last up PDCP number by source base station S-GW is sequentially delivered to according to SDU PDCP SN up PDCP data SDU.

Alternatively, the source base station determines that all upstream datas in shunting carrying receive and after being disposed, the source Base station is by X2 message informing target BS, and the PDCP entities of new bearer can start sequentially to S-GW corresponding to shunting carrying Submit upstream data.

Alternatively, the source base station is it is determined that the upstream data in one or more shunting carryings receives and is disposed it Afterwards, the source base station by X2 message indicate target BS on one or more shunting carry corresponding to new bearer can start to S-GW sequentially submits upstream data.

Alternatively, transmission means of the X2 message between source base station and target BS includes one below：From source base station Target BS is dealt into, the X2 message of the source base station is forwarded to by target BS by core net, or should by chain of command base station The X2 message of source base station is forwarded to target BS.

Alternatively, the information that the X2 message carries includes one below：Shunt carrying mark, the mark of new bearer and/ Or the mark of core packet networks evolution EPS carryings；Last upper up PDCP data SDU of shunting carrying PDCP SN or new Carry first up PDCP data SDU PDCP SN；The PDCP entities for triggering new bearer on target BS can be to S-GW Sequentially submit the configured information of upstream data.

Alternatively, all upstream datas determined in shunting carrying when the source base station are received and after be disposed, Above all upstream datas are received and are disposed by X2 message informing chains of command base station shunting carrying for the source base station, or Person, all upstream datas that one or more shuntings carry are received and are disposed.

Fig. 6 is the flow chart of the determination method of data processing state in carrying transfer according to embodiments of the present invention, such as Fig. 6 Shown, the flow comprises the following steps：

The PDCP entities composition PDCP control PDU of carrying are shunted on S602, UE, wherein, PDCP controls PDU is used to indicate Source base station determines that all upstream datas in shunting carrying have been disposed, and PDCP controls PDU carries last Up PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that PDCP controls PDU is to carry most The up PDCP data SDU of the latter PDCP SN PDCP controls PDU；

S604, the UE send the PDCP and control PDU to the source base station.

The method that above-mentioned Fig. 5 and Fig. 6 are recorded is the method for upstream data, is determined for upstream data The detailed process that row data are disposed is as follows：UE upper strata produces carries last upstream IP data sent by shunting Wrap, after the PDCP entities that carrying is shunted on UE are last IP allocation of packets PDCP SN, obtain last up PDCP Data PDU or corresponding SDU PDCP SN.The PDCP entities of carrying, composition PDCP control PDU, the PDCP controls are shunted on UE PDU, carry last up PDCP data SDU PDCP SN.Meanwhile PDCP controls PDU carries configured information, this refers to Show that information shows that PDCP controls PDU is the PDCP controls PDU for the PDCP SN for carrying last up PDCP data SDU.UE By shunting carrying PDCP controls PDU is sent to source base station.The PDCP entities that carrying is shunted on source base station pass through PDCP packet header In configured information, judge the PDCP control PDU be carry last up PDCP data SDU PDCP SN PDCP control PDU processed.Source base station controls PDU by the PDCP, obtains last up PDCP data PDU PDCP SN.When source base station is received It is less than last up PDCP data SDU PDCP SN to last one up PDCP data SDU and all PDCP SN Up PDCP data SDU, and after being sequentially delivered to S-GW, source base station judges that all upstream datas in shunting carrying have connect Receive and be disposed.

Received and after being disposed in all upstream datas that source base station is judged in shunting carrying, source base station passes through X2 Message informing target BS, the PDCP entities of new bearer can start sequentially to submit upper line number to S-GW corresponding to shunting carrying According to.Source base station can also be disappeared after the upstream data on judging one or more shunting carryings is received and is disposed by X2 New bearer corresponding to one or more shunting carrying can start sequentially to submit upper line number to S-GW on breath instruction target BS According to.The X2 message can be directly sent to target BS from source base station, can also be forwarded by core net, or pass through chain of command base station Forwarding.The X2 signalings can carry the mark of shunting carrying, the mark of new bearer and/or EPS (core packet networks evolution, Evolved Packet Core) carrying mark.The X2 message can also carry last upper up PDCP number of shunting carrying According to first on SDU PDCP SN or new bearer up PDCP data SDU PDCP SN.The X2 signalings can also carry triggering The PDCP entities of new bearer can sequentially submit the configured information of upstream data to S-GW on target BS.

Fig. 7 is the flow chart of the determination method of data processing state in carrying transfer according to embodiments of the present invention, such as Fig. 7 Shown, the flow comprises the following steps：

S702, chain of command base station receive notification message, wherein, the notification message be used for notify the chain of command base station one or The up and/or downlink data of multiple shunting carryings has been disposed；

S704, the chain of command base station according to the notification message determine the one or more shunting carrying it is up and/or under Row data have been disposed.

Alternatively, the notification message is sent to the chain of command base station by least one following equipment：Source base station, target base Stand, user equipment (UE).

Alternatively, the notification message is used for the downlink data from S-GW before all end of identification bags in source base station In the case that bag is all sent to UE or is transmitted to after target BS, sent by the source base station to chain of command base station and notify the chain of command Base station：The source base station in shunting carrying is partially completed downlink data transmission, or, what one or more shunting carried should Source base station is partially completed downlink data transmission.

Alternatively, all upstream datas that the notification message is used on source base station determines that shunting carries are received and locate In the case of after reason, sent by the source base station to chain of command base station and notify chain of command base station notice chain of command base station：Point All upstream datas of stream carrying are received and are disposed, or, the upper all upstream datas of one or more shunting carrying It is received and be disposed.

Alternatively, the notification message be used for source base station by before all end of identification bags from the descending of gateway Packet is all sent to UE or is transmitted to target BS, and determines that all upstream datas in shunting carrying are received and handle In the case of after finishing, source base station notice chain of command base station：The source base station in shunting carrying is partially completed downlink data Transmission, and all upstream datas have received and have been disposed, or, the source base station part in one or more shunting carrying Downlink data transmission is completed, and all upstream datas have received and have been disposed.

Alternatively, the notification message includes：The notification message is X2 message, and the sending method of the X2 message includes：By source Base station is sent to chain of command base station, and the X2 message of the source base station is forwarded to chain of command base station by core net；The X2 message carries There is one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying；The source base of shunting carrying The configured information that the instruction and/or all upstream datas that completion downlink data of standing is sent have received and be disposed.

Alternatively, all PDCP data PDU's that the notification message is used for before target BS completes end of identification bag In the case of after transmission, sent by the target BS to the chain of command base station and notify the chain of command base station：Being somebody's turn to do in shunting carrying Target BS is partially completed downlink data transmission, or, the target BS in one or more shunting carrying is partially completed Downlink data is sent.

Alternatively, the notification message includes：The notification message is X2 message, the sending method of the X2 message include it is following it One：Chain of command base station is sent to by target BS, the X2 message of the target BS is forwarded to chain of command base station by core net；Should X2 message carries one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying；The shunting The finger that the target BS of carrying is partially completed the instruction of downlink data transmission and/or all upstream datas have received and have been disposed Show information.

Alternatively, all downlink datas that the notification message is used on UE judges that shunting carries are received and handled In the case of after finishing, sent by the UE to the chain of command base station and notify the chain of command base station：Shunt all downlink datas of carrying It is received and be disposed, or, all downlink datas in one or more shunting carrying it is received with handled Finish.

Alternatively, the chain of command base station according to the notification message determine the one or more shunting carrying it is up and/ Or after downlink data has been disposed, the chain of command base station is sent for indicating to shunt the release RRC connections carried to UE Reconfiguration message.

Alternatively, the chain of command base station according to the notification message determine the one or more shunting carrying it is up and/ Or after downlink data has been disposed, the chain of command base station sends shunting carrying release message to source base station, wherein, this point Stream carrying release message includes prothetic group station modification request message SeNB Modification Request, shunting carrying release Message is used to indicate that the source base station deletes user face protocol stack and the release shunting carrying money that shunting is carried on the source base station Source.

Alternatively, the chain of command base station according to the notification message determine the one or more shunting carrying it is up and/ Or after downlink data has been disposed, the chain of command base station sends shunting carrying release message to target BS, wherein, should Shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, and shunting carrying is released Put message instruction target BS and delete user face protocol stack and the release shunting carrying money that shunting is carried on the target BS Source.

Alternatively, the chain of command base station according to the notification message determine the one or more shunting carrying it is up and/ Or after downlink data has been disposed, the chain of command base station sends source base station to source base station and deletes message, wherein, the source base Deletion message of standing includes prothetic group station release message SeNB Release Request and/or UE context release messages Context Release。

The method and alternative embodiment that above-mentioned Fig. 7 is recorded are for how to notify chain of command base station and how to trigger point Deleting load-bearing is flowed, detailed settlement project is provided below for above mentioned problem, is first how source base station notifies chain of command base station, Three kinds of situations are shared, it is as follows：

Source base station situation one, when source base station all sends the downlink data packet from S-GW before all end of identification bags To UE or after being transmitted to target BS, source base station can notify chain of command base station, the source base station of shunting carrying by X2 message It is partially completed downlink data transmission.Source base station can be partially completed downlink data in the source base station in one or more shunting carryings After transmission, by X2 message, notice chain of command base station, the source base station that one or more shunting carries is partially completed lower line number According to transmission.After all upstream datas in source base station judgement shunting carrying are received and are disposed, source base station can lead to X2 message is crossed, notice chain of command base station, the upper all upstream datas of shunting carrying are received and are disposed.Source base station can be with After all upstream datas in one or more shunting carryings have been received and have been disposed, by X2 message, chain of command is notified Base station, all upstream datas that one or more shunting carries have received and have been disposed.

Source base station situation two, when source base station by the downlink data packet from gateway before all end of identification bags all It is sent to UE or is transmitted to target BS, and judges that all upstream datas in shunting carrying are received and after being disposed, Source base station can notify chain of command base station by X2 message, and the source base station of shunting carrying is partially completed downlink data transmission, and All upstream datas have received and have been disposed.Source base station can be partially completed in the source base station in one or more shunting carryings After downlink data is sent and all upstream datas have received and be disposed, by X2 message, notify control base station, this or Source base station in multiple shunting carryings is partially completed downlink data transmission and all upstream datas have received and have been disposed.

Source base station situation three, the X2 message, chain of command base station can be directly sent to from source base station, core net can also be passed through Forwarding.The X2 signalings can carry the mark of shunting carrying, the mark of new bearer and/or EPS (core packet networks evolution, Evolved Packet Core) carrying mark.The source base station that the X2 signalings can also carry shunting carrying is partially completed down The configured information that the instruction and/or all upstream datas that row data are sent have received and be disposed.

Three kinds of situations of source base station are noted as above, and here is how target BS notifies chain of command base station, when target base After station receives the GTP tunnel end of identification bag from source base station, show the previous PDCP data received of the end of identification bag PDU, it is last the PDCP data PDU sent from source base station by the GTP tunnel.When target BS completes end of identification After the transmission of all PDCP data PDU before bag, target BS can report the shunting by X2 message to chain of command base station The target BS of carrying is partially completed downlink data transmission.Target BS can be on one or more shunting carryings be completed After PDCP data PDU transmission, pass through X2 message, notice chain of command base station, the target BS portion of one or more shunting carrying Divide and complete downlink data transmission.The X2 message, chain of command base station can be directly sent to from target BS, core net can also be passed through Forwarding.The X2 signalings can carry the mark of mark, the mark of new bearer and/or the EPS carrying of shunting carrying.The X2 signalings are also The target BS that shunting carrying can be carried is partially completed the configured information of downlink data transmission.

Above-mentioned is the record on target BS, records interacting for UE sides and chain of command base station below, when UE judges shunting All downlink datas in carrying are received and after being disposed, and UE can notify chain of command base station by RRC information, should The upper all downlink datas of shunting carrying are received and are disposed.UE can be on all in one or more shunting carryings After row data have been received and have been disposed, by RRC information, notice chain of command base station, one or more shunting carries All downlink datas have received and have been disposed.

Above-mentioned to describe source base station respectively, how complete with chain of command base station interaction process up-downgoing data target BS and UE be Complete information, chain of command upon receiving the notification message, can perform the method recorded below：

After chain of command base station receives notification message, the up-downgoing data of one or more shunting carryings have been judged all Through sending, receiving and be disposed, the chain of command base station can send RRC connection reconfiguration messages to UE (RRCConnectionReconfiguation), the release of instruction shunting carrying.Chain of command base station can also be sent to source base station Shunting carrying release message, including but not limited to prothetic group station modification request message (SeNB Modification Request), refer to Show that source base station deletes user face protocol stack and release shunting bearing resource that shunting is carried on source base station.Chain of command base station is also Shunting carrying release message, including but not limited to prothetic group station modification request message (SeNB can be sent to target BS Modification Request), instruction target BS delete shunting be carried on user face protocol stack on target BS and Release shunting bearing resource.When chain of command base station, the notification message from source base station, target BS and/or UE is received, judges institute The up-downgoing data for having shunting to carry all have sent, received and have been disposed, and chain of command base station can be to source base station transmission source Message is deleted in base station, and including but not limited to prothetic group station release message (SeNB Release Request) and/or UE contexts is released Put message (UE Context Release).

For the purpose, technical scheme and advantage of present specification are more clearly understood, below in conjunction with accompanying drawing to this The embodiment of application documents is described in detail.It should be noted that in the case where not conflicting, embodiment in the application and Feature in embodiment can be mutually combined.

Fig. 8 is to control PDU schematic diagrames according to a kind of new PDCP of alternative embodiment of the present invention, as shown in figure 8, this new PDCP control PDU, notify UE, last descending PDCP data SDU PDCP SN for source base station, or lead to for UE Know source base station, last up PDCP data SDU PDPC SN.The PDU of new PDCP controls shown in Fig. 8, include and work as PDCP SN length is 12,15 and 18 three kinds of situations.Wherein, PDU type domains, indicate that PDCP controls PDU is comprising on last Capable or descending PDCP data SDU PDCP SN PDCP controls PDU.To can retain in existing protocol in correlation technique 011 Any one in 111 is arranged to the PDU type domains that the PDCP controls PDU.Meanwhile LS domains, indicate last it is up or Descending PDCP data SDU PDCP SN.

Fig. 9 is the up-downgoing data processing detail flowchart according to alternative embodiment of the present invention, as shown in figure 9, describing The flow chart of up-downgoing data and signaling.

For descending, carried for some EPS, when source base station receives the end mark bag from S-GW：

S901, source base station composition PDCP control PDU, carry last descending PDCP data SDU PDCP SN.

PDCP is controlled PDU by S902, source base station, is sent to UE.PDCP controls PDU can be transmitted directly to by source base station UE, UE can also be sent to by target BS.If shunting of the source base station to target BS also terminates, that source base station can also End mark bag is sent to target BS.

S903, after all downlink datas of source base station are all sent or forwarded, stop downlink data transmission and Forwarding.

S904, after target BS receives end of identification and has sent the downlink data in all shunting carryings, stop dividing The downlink data of stream carrying is sent.

After S905, UE judge that the downlink data in shunting carrying is received and is disposed, trigger new carrying and passed to upper strata Intersection number evidence.

S906, after source base station judges the transmission and forwarding of the untired completion downlink data of the source base station of shunting carrying, source base Stand and pass through X2 message informing chains of command base station：The source base station of shunting carrying is partially completed the transmission and forwarding of downlink data

S907, after target BS judges that the target BS of shunting carrying is partially completed the transmission of downlink data, target base Stand and pass through X2 message informing chains of command base station：The target BS of shunting carrying is partially completed the transmission of downlink data

S908, after the downlink data that UE is judged in shunting carrying is received and is disposed, UE notifies to control by RRC information Face base station processed：Downlink data in shunting carrying receives and is disposed.

For up, after UE upper strata stops carrying data delivery to shunting：

S911, UE composition PDCP control PDU, carry last up PDCP data SDU PDCP SN.

PDCP is controlled PDU by S912, UE, is sent to source base station.PDCP controls PDU can be transmitted directly to source base by UE Stand, can also be sent to by UE after target BS and source base station is transmitted to by target BS.

S913, after UE is sent in split flow in upper all upstream datas, stop up in shunting carrying The transmission of data.

S914, after source base station judges that the upstream data in shunting carrying is received and is disposed, pass through X2 message informing mesh Mark base station：The PDCP entities of new bearer can be to S-GW data deliveries.

S915, after source base station judges that the upstream data in shunting carrying is received and is disposed, pass through X2 message informing controls Face base station processed：Upstream data in shunting carrying receives and is disposed.

Chain of command base station portion is described below：

S921, chain of command base station determine whether that the up-downgoing data of carrying are all sent.

S922, chain of command base station send RRC connection reconfiguration messages to UE, and what release up-downgoing data were all sent holds Carry.

S923, UE reply RRC connections to chain of command base station and reconfigure completion message.

S924, chain of command base station send SeNB modification request messages to source base station, and release up-downgoing data are all sent Carrying.

S925, source base station reply SeNB modification request responses to chain of command base station.

S926, chain of command base station send SeNB modification request messages to target BS, and release up-downgoing data have all been sent Complete carrying.

S927, target BS reply SeNB modification request responses to chain of command base station.

S928, chain of command base station judge whether that the up-downgoing data of all shunting carryings all send, receive and are disposed.

S929, after chain of command base station judges that the up-downgoing data of all shunting carryings all send, receive and are disposed, SeNB releasing requests or UE context release requests are sent to source base station.

Figure 10 is to be directed to up-downgoing data according to notification message according to a kind of chain of command base station of alternative embodiment of the present invention The schematic diagram of processing, as shown in Figure 10, chain of command base station are partially completed downlink data transmission according to the source base station of shunting carrying X2 message and the target BS of shunting carrying complete the X2 message that downlink data is sent, and judge that downlink data hair is completed in shunting carrying Send.Then the X2 for completing the upstream data reception of downlink data transmission and shunting carrying by shunting carrying and being disposed disappears Breath, judge that downlink data transmission is completed in shunting carrying and shunting carrying upstream data receives and is disposed.Now, chain of command base Standing can not also judge whether UE is disposed to downlink data and is sequentially delivered to upper strata, and chain of command base station can be in the time Carrying release flow is initiated after t again, the time, t was related to UE processing times.It can also be required in RRC signaling by indicating UE, after having handled all data and being sequentially delivered to upper strata, the release that is just carried.

Figure 11 is to be directed to upper and lower line number according to notification message according to another chain of command base station of alternative embodiment of the present invention According to the schematic diagram of processing, as shown in figure 11, the X2 that chain of command base station receives and is disposed according to the upstream data of shunting carrying The RRC information that message and the downlink data of shunting carrying receive and be disposed, judge that the up-downgoing data of shunting carrying all connect Receive and be disposed, chain of command base station can initiate carrying release flow immediately.

Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.

Embodiment 2

A kind of determining device for carrying data processing state in transfer is additionally provided in the present embodiment, and the device is used for real Existing above-described embodiment and preferred embodiment, had carried out repeating no more for explanation.As used below, term " module " The combination of the software and/or hardware of predetermined function can be realized.Although the device described by following examples is preferably with software To realize, but hardware, or the realization of the combination of software and hardware is also what may and be contemplated.

Figure 12 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure one, as shown in figure 12, the device are applied to UE, and the device includes：

First receiving module 122, for receiving the PDCP PDCP control protocol data of source base station transmission Unit PDU, wherein, PDCP controls PDU is made up of the PDCP entities that carrying is shunted on the source base station, PDCP controls PDU carries last descending PDCP data service datas cell S DU PDCP sequence numbers SN and configured information, wherein, should Configured information is used for the PDCP controls for indicating that PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU PDU processed；

First determining module 124, it is connected with the first receiving module 122, for controlling PDU by corresponding to according to the PDCP After PDCP data SDU is delivered to upper strata, determine that all downlink datas in shunting carrying are disposed.

Alternatively, first determining module 124 is additionally operable to it is determined that all downlink datas in shunting carrying are disposed Before, determine that PDCP controls PDU is last descending PDCP data SDU of carrying PDCP SN according to the configured information PDCP controls PDU；First determining module 124 is additionally operable to control PDU to obtain last descending PDCP data by the PDCP SDU PDCP SN, it is descending that last descending PDCP data SDU received and all PDCP SN is less than last PDCP data SDU PDCP SN descending PDCP data SDU is sequentially delivered to upper strata.

Alternatively, the first determining module 124 is additionally operable to it is determined that all downlink datas in shunting carrying are disposed Afterwards, the PDCP entities for triggering new carrying submit downlink data toward upper strata.

Alternatively, the first determining module 124 is additionally operable to it is determined that all downlink datas in shunting carrying are disposed Afterwards, handled by all downlink datas in radio resource control RRC message informing chain of command base station shunting carrying Finish or one or more shunting carrying on downlink data be disposed.

Figure 13 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure two, as shown in figure 13, the device are applied to source base station, and the device includes：

First comprising modules 132, the PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, should PDCP controls PDU is used to indicate that UE determines that all downlink datas in shunting carrying have been disposed, PDCP controls PDU Last descending PDCP data SDU PDCP SN and configured information is carried, wherein, the configured information indicates that the PDCP is controlled PDU processed is the PDCP controls PDU for the PDCP SN for carrying last descending PDCP data SDU；

First sending module 134, it is connected with the first comprising modules 132, for sending PDCP controls PDU to the UE.

Figure 14 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure three, as shown in figure 14, the device include：

First notification module 142, it is connected to before the first comprising modules 132, for terminating to mark by all in the source base station After the downlink data packet from S-GW before knowing bag is all sent to the UE or is transmitted to target BS, pass through X2 message informings The source base station of chain of command base station shunting carrying is partially completed the source that downlink data is sent or one or more shuntings carry Base station portion is completed downlink data and sent.

Figure 15 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure four, as shown in figure 15, the device include：

Second notification module 152, it is connected to before the first comprising modules 132, for terminating to mark by all in the source base station The downlink data packet from S-GW before knowing bag is all sent to the UE or is transmitted to target BS, and determines in shunting carrying All upstream datas it is received and after being disposed, pass through the source that the shunting of X2 message informing chains of command base station carries Base station portion is completed downlink data and sent, and all upstream datas have been disposed, or, one or more shunting carryings On the source base station be partially completed that downlink data is sent and all upstream datas are received and be disposed.

Figure 16 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure five, as shown in figure 16, applied to source base station, the device includes：

Second receiving module 162, the PDCP for receiving UE transmissions control PDU, wherein, PDCP controls PDU is by this The PDCP entities composition of carrying is shunted on UE, PDCP controls PDU carries last up PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that PDCP controls PDU is to carry last up PDCP data SDU PDCP SN PDCP control PDU；

Second determining module 164, it is connected with the second receiving module 162, for controlling PDU by corresponding to according to the PDCP After PDCP data SDU is delivered to service webmaster S-GW, determine that all upstream datas in shunting carrying receive and are disposed.

Alternatively, second determining module 164 be additionally operable to it is determined that the shunting carrying on all upstream datas receive and Before being disposed, determine that PDCP controls PDU is to carry last up PDCP data SDU according to the configured information PDCP SN PDCP controls PDU；Second determining module 164 is additionally operable to control PDU by the PDCP that to obtain last up PDCP data SDU PDCP SN, the source base station is by last up PDCP data SDU received and all PDCP SN The up PDCP data SDU of PDCP SN less than last up PDCP data SDU is sequentially delivered to S-GW.

Alternatively, second determining module 164 be additionally operable to the source base station determine the shunting carrying on it is all on line number After receiving and being disposed, by X2 message informing target BS, the PDCP entities of new bearer corresponding to shunting carrying It can start sequentially to submit upstream data to S-GW.

Alternatively, second determining module 164 is additionally operable in the source base station it is determined that in one or more shunting carryings Upstream data receive and after being disposed, indicate that one or more shunting carrying corresponds on target BS by X2 message New bearer can start sequentially to submit upstream data to S-GW.

Alternatively, second determining module 164 is additionally operable to when the source base station determines all upper line numbers in shunting carrying According to received and after being disposed, upper all upstream datas are carried by the shunting of X2 message informing chains of command base station and connect Receive and be disposed, or, all upstream datas in one or more shunting carryings are received and are disposed.

Figure 17 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure six, as shown in figure 17, the device are applied to UE, and the device includes：

Second comprising modules 172, the PDCP entities composition PDCP control PDU of carrying are shunted on UE, wherein, the PDCP Control PDU is used to indicate that source base station determines that all upstream datas in shunting carrying have been disposed, PDCP controls PDU Last up PDCP data SDU PDCP SN and configured information is carried, wherein, the configured information indicates that the PDCP is controlled PDU processed is the PDCP controls PDU for the PDCP SN for carrying last up PDCP data SDU；

Second sending module 174, it is connected with the second comprising modules 172, PDU is controlled to the source base for sending the PDCP Stand.

Figure 18 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure seven, as shown in figure 18, the device are applied to chain of command base station, and the device includes：

3rd receiving module 182, for receiving notification message, wherein, the notification message is used to notify the chain of command base station The up and/or downlink data of one or more shunting carrying has been disposed；

3rd determining module 184, be connected with the 3rd receiving module 182, for according to the notification message determine this or The up and/or downlink data of multiple shunting carryings has been disposed.

Alternatively, wherein, the notification message is sent to the chain of command base station by least one following equipment：Source base station, Target BS, user equipment (UE).

Alternatively, the notification message includes：The notification message is X2 message, and the sending method of the X2 message includes：By source Base station is sent to chain of command base station, and the X2 message of the source base station is forwarded to chain of command base station by core net；

The X2 message carries one of following information：Shunt mark, the mark of new bearer and/or the EPS carrying of carrying Mark；The source base station of shunting carrying completes the instruction of downlink data transmission and/or all upstream datas have been received and handled Complete configured information.

Alternatively, the notification message includes：The notification message is X2 message, the sending method of the X2 message include it is following it One：Chain of command base station is sent to by target BS, the X2 message of the target BS is forwarded to chain of command base station by core net；

The X2 message carries one of following information：Shunt mark, the mark of new bearer and/or the EPS carrying of carrying Mark；The shunting carrying target BS be partially completed downlink data transmission instruction and/or all upstream datas received and The configured information being disposed.

Figure 19 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure eight, as shown in figure 19, the device include：

First indicating module 192, is connected with the 3rd determining module 184, for being sent to UE for indicating shunting carrying Release RRC connection reconfiguration messages.

Figure 20 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure nine, as shown in figure 20, the device include：

Second indicating module 202, is connected with the 3rd determining module 184, disappears for sending shunting carrying release to source base station Breath, wherein, shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, should Shunting carrying release message is used for the user face protocol stack and release for indicating that source base station deletion shunting is carried on the source base station Put shunting bearing resource.

Figure 21 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure ten, as shown in figure 21, the device include：

3rd indicating module 212, it is connected with the 3rd determining module 184, for sending shunting carrying release to target BS Message, wherein, shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, Shunting carrying release message instruction target BS, which is deleted, to be shunted the user face protocol stack being carried on the target BS and releases Put shunting bearing resource.

Figure 22 is the determination apparatus structure frame of data processing state in a kind of carrying transfer according to embodiments of the present invention Figure 11, as shown in figure 22, the device include：

4th indicating module 222, it is connected with the 3rd determining module 184, message is deleted for sending source base station to source base station, Wherein, the source base station is deleted message and discharged including prothetic group station release message SeNB Release Request and/or UE context Message Context Release.

It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any The form of combination is located in different processors respectively.

Embodiment 3

Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can The program code for performing following steps to be arranged to storage to be used for：

S1, user equipment (UE) receive the PDCP PDCP control protocol data cell PDU that source base station is sent, Wherein, the PDCP controls what PDU was made up of the PDCP entities that carrying is shunted on the source base station, and PDCP controls PDU is carried Last descending PDCP data service datas cell S DU PDCP sequence numbers SN and configured information, wherein, the configured information is used PDU is controlled in the PDCP that instruction PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU；

After corresponding PDCP data SDU is delivered to upper strata by S2, the UE according to PDCP controls PDU, the UE determines this point All downlink datas in stream carrying are disposed..

S3, the PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, PDCP controls PDU is used to refer to Show that UE determines that all downlink datas in shunting carrying have been disposed, PDCP controls PDU is carried under last Row PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that PDCP controls PDU is to carry finally One descending PDCP data SDU PDCP SN PDCP controls PDU；

S4, the source base station send PDCP controls PDU to the UE.

S5, source base station receive the PDCP control PDU that UE is sent, wherein, PDCP controls PDU is by shunting carrying on the UE PDCP entities composition, the PDCP control PDU carry last up PDCP data SDU PDCP SN and instruction believe Breath, wherein, the configured information indicates that PDCP controls PDU is the PDCP SN for carrying last up PDCP data SDU PDCP controls PDU；

S6, after corresponding PDCP data SDU is delivered to service webmaster S-GW by the source base station according to PDCP control PDU, The source base station determines that all upstream datas in shunting carrying receive and are disposed.

The PDCP entities composition PDCP control PDU of carrying are shunted on S7, UE, wherein, PDCP controls PDU is used to indicate source Base station determines that all upstream datas in shunting carrying have been disposed, and PDCP controls PDU is carried on last Row PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that PDCP controls PDU is to carry finally One up PDCP data SDU PDCP SN PDCP controls PDU；

S8, the UE send the PDCP and control PDU to the source base station.

S9, chain of command base station receive notification message, wherein, the notification message is used to notify the chain of command base station one or more The up and/or downlink data of individual shunting carrying has been disposed；

S10, the chain of command base station determine the up and/or descending of one or more shunting carrying according to the notification message Data have been disposed.

Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. is various can be with the medium of store program codes.

Alternatively, in the present embodiment, processor performs above-mentioned implementation according to the program code stored in storage medium The method and step of example.

Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment Example, the present embodiment will not be repeated here.

Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims

A kind of 1. determination method for carrying data processing state in transfer, it is characterised in that including：

User equipment (UE) receives the PDCP PDCP control protocol data cell PDU that source base station is sent, wherein, institute State what PDCP controls PDU was made up of the PDCP entities that carrying is shunted on the source base station, the PDCP controls PDU is carried most The descending PDCP data service datas cell S DU of the latter PDCP sequence numbers SN and configured information, wherein, the configured information is used PDU is controlled in the PDCP that the instruction PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU；

After corresponding PDCP data SDU is delivered to upper strata by the UE according to PDCP controls PDU, the UE determines described point All downlink datas in stream carrying are disposed.
2. according to the method for claim 1, it is characterised in that the UE is determined at the downlink data in shunting carrying Before reason finishes, methods described also includes：

The UE determines that the PDCP controls PDU is to carry last descending PDCP data SDU according to the configured information PDCP SN PDCP controls PDU；

The UE controls PDU to obtain last descending PDCP data SDU PDCP SN by the PDCP, and the UE will connect Last descending PDCP data SDU received and all PDCP SN is less than last descending PDCP data SDU PDCP SN descending PDCP data SDU is sequentially delivered to upper strata.
3. according to the method for claim 1, it is characterised in that the UE determines all lower line numbers in the shunting carrying After being disposed, the PDCP entities that the UE triggers new carrying submit downlink data toward upper strata.
4. according to the method for claim 1, it is characterised in that the UE determines all lower line numbers in the shunting carrying After being disposed, the UE is by shunting the institute in carrying described in radio resource control RRC message informing chain of command base station There is the downlink data that downlink data has been disposed or one or more shuntings carry to be disposed.
A kind of 5. determination method for carrying data processing state in transfer, it is characterised in that including：

The PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, the PDCP controls PDU is used to indicate UE Determine that all downlink datas in the shunting carrying have been disposed, the PDCP controls PDU is carried under last Row PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to carry Last descending PDCP data SDU PDCP SN PDCP controls PDU；

The source base station sends the PDCP controls PDU to the UE.
6. according to the method for claim 5, it is characterised in that methods described also includes：

When the downlink data packet from S-GW before all end of identification bags is all sent to the UE by the source base station or is turned After issuing target BS, the source base station is partially completed by shunting the source base station of carrying described in X2 message informing chains of command base station Downlink data is sent or the source base station of one or more shunting carryings is partially completed downlink data transmission.
7. according to the method for claim 5, it is characterised in that methods described also includes：

When the downlink data packet from S-GW before all end of identification bags is all sent to the UE by the source base station or is turned Issue target BS, and after determining that all upstream datas in the shunting carrying are received and being disposed, the source Base station is partially completed downlink data transmission, and institute by shunting the source base station of carrying described in X2 message informing chains of command base station There is upstream data to be disposed, or, the source base station in one or more shunting carryings is partially completed descending Data are sent and all upstream datas are received and are disposed.
A kind of 8. determination method for carrying data processing state in transfer, it is characterised in that including：

Source base station receives the PDCP control PDU that UE is sent, wherein, the PDCP controls PDU is by shunting carrying on the UE PDCP entities composition, the PDCP controls PDU carries last up PDCP data SDU PDCP SN and instruction is believed Breath, wherein, the configured information indicates that the PDCP controls PDU is the PDCP for carrying last up PDCP data SDU SN PDCP controls PDU；

It is described after corresponding PDCP data SDU is delivered to service webmaster S-GW by the source base station according to PDCP control PDU Source base station determines that all upstream datas in the shunting carrying receive and are disposed.
9. according to the method for claim 8, it is characterised in that the source base station determine it is described shunting carrying on it is all on With before being disposed, methods described also includes row data receiver：

The source base station determines that the PDCP controls PDU is to carry last up PDCP data according to the configured information SDU PDCP SN PDCP controls PDU；

The source base station obtains last up PDCP data SDU PDCP SN, the source by PDCP controls PDU Last up PDCP data SDU received and all PDCP SN is less than last up PDCP data by base station SDU PDCP SN up PDCP data SDU is sequentially delivered to S-GW.
10. according to the method for claim 8, it is characterised in that the source base station determines all in the shunting carrying After upstream data is received and is disposed, the source base station is corresponding by X2 message informing target BS, the shunting carrying The PDCP entities of new bearer can start sequentially to submit upstream data to S-GW.
11. according to the method for claim 8, it is characterised in that methods described also includes：The source base station is it is determined that one Or after the upstream data in multiple shunting carryings is received and is disposed, the source base station indicates target by X2 message New bearer corresponding to one or more of shunting carryings can start sequentially to submit upstream data to S-GW on base station.
12. the method according to claim 10 or 11, it is characterised in that the X2 message source base station and target BS it Between transmission means include one below：Target BS is dealt into from source base station, by core net by the X2 message of the source base station Target BS is forwarded to, or the X2 message of the source base station is forwarded to by target BS by chain of command base station.
13. the method according to claim 10 or 11, it is characterised in that the information that the X2 message carries include it is following it One：Shunt the mark of mark, the mark of new bearer and/or core packet networks evolution the EPS carrying of carrying；Shunting carrying is upper last First up PDCP data SDU PDCP SN on one up PDCP data SDU PDCP SN or new bearer；Trigger target The PDCP entities of new bearer can sequentially submit the configured information of upstream data to S-GW on base station.
14. according to the method for claim 8, it is characterised in that methods described also includes：

After the source base station determines that all upstream datas shunted in carrying are received and are disposed, the source base Stand by the way that the upper all upstream datas of shunting carrying are received described in X2 message informing chains of command base station and are disposed, or, All upstream datas in one or more shunting carryings are received and are disposed.
A kind of 15. determination method for carrying data processing state in transfer, it is characterised in that including：

The PDCP entities composition PDCP control PDU of carrying are shunted on UE, wherein, the PDCP controls PDU is used to indicate source base station Determine that all upstream datas in the shunting carrying have been disposed, the PDCP controls PDU is carried on last Row PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to carry Last up PDCP data SDU PDCP SN PDCP controls PDU；

The UE sends the PDCP and controls PDU to the source base station.
A kind of 16. determination method for carrying data processing state in transfer, it is characterised in that including：

Chain of command base station receives notification message, wherein, the notification message is used to notify that the chain of command base station is one or more The up and/or downlink data of shunting carrying has been disposed；

The chain of command base station determines the up and/or lower line number of one or more of shunting carryings according to the notification message According to being disposed.
17. according to the method for claim 16, it is characterised in that the notification message is sent out by least one following equipment Deliver to the chain of command base station：

Source base station, target BS, user equipment (UE).
18. according to the method for claim 16, it is characterised in that the notification message is used for all end in source base station In the case that the downlink data packet from S-GW before mark bag is all sent to UE or is transmitted to after target BS, by the source Base station sends to chain of command base station and notifies the chain of command base station：The source base station in shunting carrying is partially completed downlink data Send, or, the source base station in one or more of shunting carryings is partially completed downlink data transmission.
19. according to the method for claim 16, it is characterised in that the notification message is used to determine that shunting is held in source base station All upstream datas in load it is received and after being disposed in the case of, sent to chain of command base station and led to by the source base station Know the chain of command base station notice chain of command base station：All upstream datas of shunting carrying are received and are disposed, or, institute Stating one or more shunting carryings, above all upstream datas are received and are disposed.
20. according to the method for claim 16, it is characterised in that the notification message is used for all end in source base station The downlink data packet from gateway before mark bag is all sent to UE or is transmitted to target BS, and determines shunting carrying On all upstream datas it is received and after being disposed in the case of, the source base station notice chain of command base station：Shunting The source base station in carrying is partially completed downlink data transmission, and all upstream datas have received and have been disposed, or, institute State the source base stations in one or more shunting carryings and be partially completed downlink data transmission, and all upstream datas received and It is disposed.
21. according to the method described in any one of claim 18 to 20, it is characterised in that the notification message includes：

The notification message is X2 message, and the sending method of the X2 message includes：Chain of command base station is sent to by source base station, led to Cross core net and forward the X2 message of the source base station to chain of command base station；

The X2 message carries one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying Know；The source base station of the shunting carrying completes the instruction of downlink data transmission and/or all upstream datas have been received and handled Complete configured information.
22. according to the method for claim 16, it is characterised in that the notification message is used to complete to terminate in target BS In the case of after the transmission of all PDCP data PDU before mark bag, sent by the target BS to the chain of command base Station notifies the chain of command base station：The target BS in shunting carrying is partially completed downlink data transmission, or, described one The target BS in individual or multiple shunting carryings is partially completed downlink data transmission.
23. according to the method for claim 22, it is characterised in that the notification message includes：

The notification message is X2 message, and the sending method of the X2 message includes one below：Control is sent to by target BS Face base station processed, the X2 message of the target BS is forwarded to chain of command base station by core net；

The X2 message carries one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying Know；It is described shunting carrying target BS be partially completed downlink data transmission instruction and/or all upstream datas received and The configured information being disposed.
24. according to the method for claim 16, it is characterised in that the notification message is used to judge shunting carrying in UE All downlink datas it is received and after being disposed in the case of, sent by the UE to the chain of command base station and notify institute State chain of command base station：All downlink datas of shunting carrying are received and are disposed, or, one or more of shuntings All downlink datas in carrying are received and are disposed.
25. according to the method for claim 24, it is characterised in that the notification message is sent out by the UE by RRC information It is sent to the chain of command base station.
26. according to the method for claim 16, it is characterised in that true according to the notification message in the chain of command base station After the up and/or downlink datas of fixed one or more of shunting carryings have been disposed, the chain of command base station to UE sends the release RRC connection reconfiguration messages for indicating shunting carrying.
27. according to the method for claim 16, it is characterised in that true according to the notification message in the chain of command base station After the up and/or downlink datas of fixed one or more of shunting carryings have been disposed, the chain of command base station to Source base station sends shunting carrying release message, wherein, the shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, the shunting carrying release message are used to indicate that the source base station deletes shunting carrying User face protocol stack and release shunting bearing resource on the source base station.
28. according to the method for claim 16, it is characterised in that true according to the notification message in the chain of command base station After the up and/or downlink datas of fixed one or more of shunting carryings have been disposed, the chain of command base station to Target BS sends shunting carrying release message, wherein, the shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, the shunting carrying release message instruction target BS deletion shunting are carried on described User face protocol stack and release shunting bearing resource on target BS.
29. according to the method for claim 16, it is characterised in that true according to the notification message in the chain of command base station After the up and/or downlink datas of fixed one or more of shunting carryings have been disposed, the chain of command base station to Source base station sends source base station and deletes message, wherein, the source base station, which deletes message, includes prothetic group station release message SeNB Release Request and/or UE context release message Context Release.
A kind of 30. determining device for carrying data processing state in transfer, applied to user equipment (UE), it is characterised in that including：

First receiving module, for receiving the PDCP PDCP control protocol data cell PDU of source base station transmission, Wherein, the PDCP controls PDU is made up of the PDCP entities that carrying is shunted on the source base station, and the PDCP controls PDU Last descending PDCP data service datas cell S DU PDCP sequence numbers SN and configured information is carried, wherein, the finger Show that information is used for the PDCP controls for indicating that the PDCP controls PDU is the PDCP SN for carrying last descending PDCP data SDU PDU processed；

First determining module, it is connected with the first receiving module, for controlling PDU by corresponding PDCP data according to the PDCP After SDU is delivered to upper strata, determine that all downlink datas in the shunting carrying are disposed.
31. device according to claim 30, it is characterised in that first determining module is additionally operable to it is determined that shunting is held Before all downlink datas in load are disposed, determine that the PDCP controls PDU is to carry finally according to the configured information One descending PDCP data SDU PDCP SN PDCP controls PDU；

First determining module is additionally operable to control PDU to obtain last descending PDCP data SDU's by the PDCP PDCP SN, last descending PDCP data SDU received and all PDCP SN is less than last descending PDCP Data SDU PDCP SN descending PDCP data SDU is sequentially delivered to upper strata.
32. device according to claim 30, it is characterised in that the first determining module is additionally operable to it is determined that the shunting is held After all downlink datas in load are disposed, the PDCP entities for triggering new carrying submit downlink data toward upper strata.
33. device according to claim 30, it is characterised in that the first determining module is additionally operable to it is determined that the shunting is held After all downlink datas in load are disposed, pass through shunting described in radio resource control RRC message informing chain of command base station The downlink data that all downlink datas in carrying have been disposed or one or more shuntings carry has been located Reason finishes.
A kind of 34. determining device for carrying data processing state in transfer, applied to source base station, it is characterised in that described device Including：

First comprising modules, the PDCP entities composition PDCP control PDU of carrying are shunted on source base station, wherein, the PDCP Control PDU is used to indicate that UE determines that all downlink datas in the shunting carrying have been disposed, and the PDCP controls PDU Last descending PDCP data SDU PDCP SN and configured information is carried, wherein, described in the configured information instruction PDCP controls PDU is the PDCP controls PDU for the PDCP SN for carrying last descending PDCP data SDU；

First sending module, it is connected with the first comprising modules, for sending the PDCP controls PDU to the UE.
35. device according to claim 34, it is characterised in that described device also includes：

First notification module, it is connected to before the first comprising modules, for before the source base station is by all end of identification bags The downlink data packet from S-GW be all sent to the UE or be transmitted to target BS after, pass through X2 message informing chains of command The source base station that carrying is shunted described in base station is partially completed the source base that downlink data is sent or one or more shuntings carry Station is partially completed downlink data transmission.
36. device according to claim 34, it is characterised in that described device also includes：

Second notification module, it is connected to before the first comprising modules, for before the source base station is by all end of identification bags The downlink data packet from S-GW be all sent to the UE or be transmitted to target BS, and determine it is described shunting carrying on institute After having upstream data received and being disposed, by the source that carrying is shunted described in X2 message informing chains of command base station Base station portion is completed downlink data and sent, and all upstream datas have been disposed, or, one or more shuntings are held The source base station in load is partially completed that downlink data is sent and all upstream datas are received and be disposed.
A kind of 37. determining device for carrying data processing state in transfer, applied to source base station, it is characterised in that including：

Second receiving module, the PDCP for receiving UE transmissions control PDU, wherein, the PDCP controls PDU is by the UE The PDCP entities composition of shunting carrying, the PDCP controls PDU carries last up PDCP data SDU PDCP SN and configured information, wherein, the configured information indicates that the PDCP controls PDU is to carry last up PDCP data SDU PDCP SN PDCP controls PDU；

Second determining module, it is connected with the second receiving module, for controlling PDU by corresponding PDCP data according to the PDCP After SDU is delivered to service webmaster S-GW, determine that all upstream datas in the shunting carrying receive and are disposed.
38. the device according to claim 37, it is characterised in that second determining module is additionally operable to it is determined that described point Before all upstream datas in stream carrying are received and are disposed, the PDCP controls PDU is determined according to the configured information It is the PDCP controls PDU for the PDCP SN for carrying last up PDCP data SDU；

Second determining module is additionally operable to control PDU to obtain last up PDCP data SDU's by the PDCP Last the up PDCP data SDU received and all PDCP SN are less than last by PDCP SN, the source base station Individual up PDCP data SDU PDCP SN up PDCP data SDU is sequentially delivered to S-GW.
39. the device according to claim 37, it is characterised in that second determining module is additionally operable in the source base station After determining that all upstream datas in the shunting carrying are received and are disposed, pass through X2 message informing target BS, institute Stating the PDCP entities of new bearer corresponding to shunting carrying can start sequentially to submit upstream data to S-GW.
40. the device according to claim 37, it is characterised in that described device also includes：Second determining module is also For after it is determined that the upstream data in one or more shunting carrying receives and be disposed, leading in the source base station Crossing new bearer corresponding to one or more of shunting carryings on X2 message instruction target BS can start sequentially to pass to S-GW Hand over upstream data.
41. the device according to claim 39 or 40, it is characterised in that the X2 message source base station and target BS it Between transmission means include one below：Target BS is dealt into from source base station, by core net by the X2 message of the source base station Target BS is forwarded to, or the X2 message of the source base station is forwarded to by target BS by chain of command base station.
42. the device according to claim 39 or 40, it is characterised in that the information that the X2 message carries include it is following it One：Shunt the mark of mark, the mark of new bearer and/or core packet networks evolution the EPS carrying of carrying；Shunting carrying is upper last First up PDCP data SDU PDCP SN on one up PDCP data SDU PDCP SN or new bearer；Trigger target The PDCP entities of new bearer can sequentially submit the configured information of upstream data to S-GW on base station.
43. the device according to claim 37, it is characterised in that second determining module is additionally operable to work as the source base station Determine that all upstream datas in the shunting carrying are received and after being disposed, and pass through X2 message informing chains of command base station The upper all upstream datas of shunting carrying are received and are disposed, or, in one or more shunting carryings All upstream datas are received and are disposed.
A kind of 44. determining device for carrying data processing state in transfer, applied to UE, it is characterised in that described device includes：

Second comprising modules, the PDCP entities composition PDCP control PDU of carrying are shunted on UE, wherein, the PDCP controls PDU is used to indicate that source base station determines that all upstream datas in the shunting carrying have been disposed, and the PDCP controls PDU Last up PDCP data SDU PDCP SN and configured information is carried, wherein, described in the configured information instruction PDCP controls PDU is the PDCP controls PDU for the PDCP SN for carrying last up PDCP data SDU；

Second sending module, it is connected with the second comprising modules, PDU is controlled to the source base station for sending the PDCP.
A kind of 45. determining device for carrying data processing state in transfer, applied to chain of command base station, it is characterised in that including：

3rd receiving module, for receiving notification message, wherein, the notification message is used to notify the chain of command base station one Or the up and/or downlink data of multiple shunting carryings has been disposed；

3rd determining module, it is connected with the 3rd receiving module, for determining one or more of points according to the notification message The up and/or downlink data of stream carrying has been disposed.
46. device according to claim 45, it is characterised in that the notification message is sent out by least one following equipment Deliver to the chain of command base station：Source base station, target BS, user equipment (UE).
47. device according to claim 45, it is characterised in that the notification message is used for all end in source base station In the case that the downlink data packet from S-GW before mark bag is all sent to UE or is transmitted to after target BS, by the source Base station sends to chain of command base station and notifies the chain of command base station：The source base station in shunting carrying is partially completed downlink data Send, or, the source base station in one or more of shunting carryings is partially completed downlink data transmission.
48. device according to claim 45, it is characterised in that the notification message is used to determine that shunting is held in source base station All upstream datas in load it is received and after being disposed in the case of, sent to chain of command base station and led to by the source base station Know the chain of command base station notice chain of command base station：All upstream datas of shunting carrying are received and are disposed, or, institute Stating one or more shunting carryings, above all upstream datas are received and are disposed.
49. device according to claim 45, it is characterised in that the notification message is used for all end in source base station The downlink data packet from gateway before mark bag is all sent to UE or is transmitted to target BS, and determines shunting carrying On all upstream datas it is received and after being disposed in the case of, the source base station notice chain of command base station：Shunting The source base station in carrying is partially completed downlink data transmission, and all upstream datas have received and have been disposed, or, institute State the source base stations in one or more shunting carryings and be partially completed downlink data transmission, and all upstream datas received and It is disposed.
50. according to the device described in any one of claim 47 to 49, it is characterised in that the notification message includes：

The notification message is X2 message, and the sending method of the X2 message includes：Chain of command base station is sent to by source base station, led to Cross core net and forward the X2 message of the source base station to chain of command base station；

The X2 message carries one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying Know；The source base station of the shunting carrying completes the instruction of downlink data transmission and/or all upstream datas have been received and handled Complete configured information.
51. device according to claim 45, it is characterised in that the notification message is used to complete to terminate in target BS In the case of after the transmission of all PDCP data PDU before mark bag, sent by the target BS to the chain of command base Station notifies the chain of command base station：The target BS in shunting carrying is partially completed downlink data transmission, or, described one The target BS in individual or multiple shunting carryings is partially completed downlink data transmission.
52. device according to claim 51, it is characterised in that the notification message includes：

The notification message is X2 message, and the sending method of the X2 message includes one below：Control is sent to by target BS Face base station processed, the X2 message of the target BS is forwarded to chain of command base station by core net；

The X2 message carries one of following information：Shunt the mark of mark, the mark of new bearer and/or the EPS carrying of carrying Know；It is described shunting carrying target BS be partially completed downlink data transmission instruction and/or all upstream datas received and The configured information being disposed.
53. device according to claim 45, it is characterised in that the notification message is used to judge shunting carrying in UE All downlink datas it is received and after being disposed in the case of, sent by the UE to the chain of command base station and notify institute State chain of command base station：All downlink datas of shunting carrying are received and are disposed, or, one or more of shuntings All downlink datas in carrying are received and are disposed.
54. device according to claim 53, it is characterised in that the notification message is sent out by the UE by RRC information It is sent to the chain of command base station.
55. device according to claim 45, it is characterised in that described device also includes：

First indicating module, it is connected with the 3rd determining module, for being sent to UE for indicating to shunt the release RRC carried Connect reconfiguration message.
56. device according to claim 45, it is characterised in that described device also includes：

Second indicating module, it is connected with the 3rd determining module, for sending shunting carrying release message to source base station, wherein, institute Stating shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, and the shunting is held Release message is carried to be used to indicate that the source base station deletes user face protocol stack and release that shunting is carried on the source base station Shunt bearing resource.
57. device according to claim 45, it is characterised in that described device also includes：

3rd indicating module, it is connected with the 3rd determining module, for sending shunting carrying release message to target BS, wherein, The shunting carrying release message includes prothetic group station modification request message SeNB Modification Request, the shunting Carrying release message instruction target BS deletes user face protocol stack and the release point that shunting is carried on the target BS Flow bearing resource.
58. device according to claim 45, it is characterised in that described device also includes：

4th indicating module, it is connected with the 3rd determining module, message is deleted for sending source base station to source base station, wherein, it is described Source base station, which deletes message, includes prothetic group station release message SeNB Release Request and/or UE context release messages Context Release。