CN103840927B

CN103840927B - The method and relevant device of data transfer

Info

Publication number: CN103840927B
Application number: CN201210482597.9A
Authority: CN
Inventors: 李亚娟; 常俊仁; 曾清海
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-11-23
Filing date: 2012-11-23
Publication date: 2017-09-12
Anticipated expiration: 2032-11-23
Also published as: WO2014079391A1; CN103840927A

Abstract

The embodiment of the present application discloses the method and relevant device of a kind of data transfer, the length of window of its PDCP layers of transmission packet is configured by macro base station, and micro-base station configures the length of window of its PDCP layers of transmission packet, the length of window sum of the transmission packet of the micro-base station of configuration and the PDCP layers of macro base station is equal to the window that reorders of user equipment.Or, macro base station configures reorder length of window of the length of window sum equal to macro base station that user equipment sends packet to each communication site, and then so that the SN for the packet that the length range or user equipment that user equipment sends reorder windows of the SN no more than the PDCP layers of each communication site of packet are received is no more than the scope of its window that reorders.When progress data distribution under state of carrier aggregation is therefore between macro base station and the multiple communication sites of micro-base station, it is to avoid the data outside reorder window ranges are abandoned, and lift the transmission rate and quality of data transfer.

Description

The method and relevant device of data transfer

Technical field

The application is related to wireless communication technology field, and in particular to the method and relevant device of wireless data transmission.

Background technology

In Long Term Evolution（Long Term Evolution, LTE）In system, data can be passed according to the need for design Defeated plane is divided into user plane and control plane, and user plane is mainly execution work(related to application layer user data transmission Can, include the function such as data head compression, security protection, the scheduling of data；Control plane be mainly execution to user carrying and The operation for the signaling flow being controlled to wireless connection etc., the request service comprising user, resource allocation, the work(such as switching control Energy.Wherein, the interface between base station and user equipment is air wireless interface, in the air on wave point, and agreement presses its function It is divided into three layers with task：Physical layer, data link layer and Internet.Wherein, physical layer is in the agreement bottom, main to appoint Business is for the high-rise transmission service for providing information and completes the measurement of this layer, the selection of physical area, Stochastic accessing and synchronization Set up the basic processes such as connection.Physical layer transmission service is realized by the transmission on a wireless interface of certain characteristic , referred to as transmission channel.

Available data link layer is divided into three sublayers：Media access control layer (Mdium Access Control, MAC), wireless chain control layer（Radio Link Control, RLC）And packet data convergence protocol（Packet Data Convergence Protocol, PDCP）.Internet is divided into unlimited resources key-course（Radio Resource Control, RRC）And Non-Access Stratum（Non-Access Stratum, NAS).Each sublayer in data link layer is respectively completed different work( Can, media access control layer is communicated by transmission channel with physical layer below by the form of primitive, and by patrolling Collect channel and provide service to the rlc layer above it.Rlc layer carries out initial configuration by high-rise rrc layer to it, afterwards above and below progress The transmission of data.Rlc layer has three kinds of transmission modes, is transparent mode, Unacknowledged Mode and affirmation mode respectively, wherein transparent Under mode situation, the operation that rlc layer is not segmented or cascaded to data does not provide error detection or the sequentially work(such as submission yet Energy.In control plane, rlc layer provides Signaling Radio Bearer to high-rise rrc layer（Signalling Radio Bearers, SRB） Service；In user plane, rlc layer provides Data Radio Bearer to higher layer PDCP layer（Data Radio Bearers, DRB）Clothes Business.Secondly, the PDCP layers of control plane provide service to high-rise rrc layer, and the PDCP layers of user plane provide service to application layer. As the PDCP layers of user plane for the transmission of packet, important function, the PDCP layers of main head pressure for completing data flow have been played Re-transmission after contracting/decompression, the security of responsible Access Layer data transfer, the sequentially transmission of data and reconstruction to loss data Etc. function.

When carrying out data transmission, one of major function of rlc layer is segmentation and cascade, i.e., according to scheduling decision, real from RLC A certain amount of data are chosen in the buffering area of body as service data unit（Service Data Unit, SDU）, for transmitting, And SDU is split and cascades to create the protocol Data Unit of rlc layer（Protocol Data Unit, PDU）.Each The PDU of rlc layer can include a PDU, and a sequence number can be also contained in addition to other elements（Serial Number, SN）, Sequentially sent and retransmission mechanism for realizing.PDCP layers mainly to the SN fields comprising PDCP from lower level rlc layer PDU is received and the maintenance of sequence number accordingly, is then sent the PDU Jing Guo above-mentioned processing to reciprocity end, is specifically existed The requirement of the example for the PDCP layers that the operation carried out in PDCP entities is mainly configured according to rrc layer carries out corresponding to data Operation, and SDU data are received, the operation specifically done in PDCP entities is matched somebody with somebody according to the correlation of the example Put, the different carrying data to Different Plane carry out different operations.PDCP layers by tieing up respectively in transmitting terminal and receiving terminal Protect the window that reorders（Reordering Window）Realize reordering and setting up to data cell, the size of the window It is the 50% of SN spatial dimensions.

At present, for the carrier aggregation technology between macro base station and micro-base station, micro-base station refers to coverage and transmitting Lower-powered base station, including Home eNodeB, femto cell, Remote Radio Unit, although improve the data throughout of user, And the system loading of macro network is reduced, but coordinate received data packet, the forwarding of packet and data between multiple communication sites The shunting of bag is configured as the technical problem of most critical.According to carrier aggregation technology, including same frequency and alien frequencies two kinds of polymerizations Technology, according to existing protocol stack of the interface framework transmit packet, in switching state or user equipment with least two lead to Letter website communicates simultaneously when, then rlc layer can not ensure sequentially to submit the discarding with duplicate packages, and PDCP layers of progress PDU data During the shunting of bag, the SN for the packet that user equipment is received from multiple communication sites is easily caused beyond user equipment When scope or user equipment transmission PDU data bag to multiple communication sites of PDCP layers of the window that reorders so that communication station Scope of the sequence number beyond the window that reorders of the PDCP layers of each communication site of the PDU data bag received is put, so that Obtain necessary data to be dropped, thus need to repeat transmission data untill necessary data transmission completion, slow down reception number According to speed, reduce the efficiency of transmission of data.And, during the shunting of PDCP layers of progress SDU packet, because SDU category Property safeguarded without PDCP layer of example for data, any sequence is not done before transmitting SDU to be handled, if by this extremely Shao Liangge communication sites directly transmit SDU to gateway or user equipment by least two communication sites to PDCP layers of high level When transmitting data, the out of order of packet is easily caused, if out of order packet is issued into application layer or core net, can be led Communication abnormality is caused, causes the capability and performance of communication network transmission data poor, and cause the data transmission efficiency of communication network It is relatively low, traffic affecting processing.

The content of the invention

In consideration of it, the embodiment of the present application provides the method and relevant device of a kind of data transfer, communication network is solved The capability and performance that transmits data is poor, the problem of data transmission efficiency is relatively low.

A kind of method for data transfer that the first aspect of the embodiment of the present application is provided, including：

Macro base station is according to the transmission packet for including PDCP layers of the PDCP for indicating the macro base station Length of window the first configuration information configure the macro base station PDCP layers the length of window for sending packet；

If it is determined that transmission number of the data volume of macro base station packet to be sent in the PDCP layers of the macro base station In the range of the length of window of bag, then macro base station packet to be sent is sent to user equipment；

And, send the length of window for the transmission packet for including the PDCP layers for indicating micro-base station second matches somebody with somebody confidence Cease to the micro-base station, so that the micro-base station configures the transmission of the PDCP layers of the micro-base station according to second configuration information The length of window of packet, and determine the data volume of micro-base station packet to be sent in micro- base by the micro-base station In the range of the length of window of the transmission packet for the PDCP layers stood, then send micro-base station packet to be sent and used to described Family equipment；

Wherein, the length and the PDCP layers of the micro-base station of the window of the transmission packet of the PDCP layers of the macro base station Send the length of reorder window of the length sum less than or equal to the PDCP layers of the user equipment of the window of packet.

With reference in a first aspect, in the first possible implementation, described send includes being used to indicate micro-base station PDCP layers transmission packet window length the second configuration information to before micro-base station, afterwards or when, methods described Also include：

The configuration information for including being used to indicate that micro-base station sends data pack buffer state report to the macro base station is sent, with The micro-base station is set to configure the parameter for sending the data pack buffer state report to the macro base station；

Receive the micro-base station and data pack buffer state report is sent to the macro base station according to the instruction micro-base station The data pack buffer state report that configuration information is sent.

With reference to the first possible implementation of first aspect or first aspect, in second of possible implementation In, methods described also includes：

If it is determined that the data volume of macro base station packet to be sent reaches that the PDCP layers of the macro base station send number According to the length of window of bag, then after the transmission that the wireless spread-spectrum technology rlc layer for receiving the macro base station is sent is indicated, institute is sent Macro base station packet to be sent is stated to the user equipment.

With reference to second of possible implementation, in the third possible implementation, methods described also includes：

The SDU obtained after sequence is ranked up to PDCP layers of service data unit SDU；

The SDU after sequence is sent to gateway.

With reference in a first aspect, in the 4th kind of possible implementation, the transmission packet of the PDCP layers of the macro base station Length of window and micro-base station PDCP layers transmission packet window length ratio be equal to the macro base station with it is described micro- The service distributing ratio of base station.

The second aspect of the embodiment of the present application provides a kind of method of data transfer, and methods described includes：

Transmission includes sending the length of window of packet to macro base station for the PDCP layers of instruction user equipment, and including For indicating that the PDCP layers of the user equipment send the configuration information of the length of window of packet to the micro-base station to described User equipment, so that the user equipment configures the PDCP layers of the user equipment to the macro base station according to the configuration information The length of window of packet is sent, and configures the PDCP layers of the user equipment to the window of micro-base station transmission packet Length, so that the user equipment sends the window of packet in the PDCP layers of the user equipment of configuration to the macro base station In the range of length send packet to the macro base station, and by user equipment the user equipment of configuration PDCP layers Packet is sent in the range of the length of window that packet is sent to the micro-base station to the micro-base station；

Reception user equipment sends the length of window of packet in the PDCP layers of the user equipment to the macro base station In the range of the packet that sends；

Wherein, the length of window that the PDCP layers of the user equipment send packet to the macro base station is set with the user The length of window sum that standby PDCP layers send packet to the micro-base station is less than or equal to the PDCP layers of the macro base station The window that reorders length.

With reference to second aspect, in the first possible implementation, methods described also includes：

The SDU after sequence is sent to gateway.

With reference to the first possible implementation of second aspect, in second of possible implementation, the user The PDCP layers of equipment send the length of window and the PDCP layers of the user equipment of packet to described micro- to the macro base station The length ratio that base station sends the window of packet is equal to what the user equipment was sent to the macro base station and the micro-base station Service distributing ratio.

The third aspect of the embodiment of the present application provides a kind of method of data transfer, including：

Send configuration information is to user equipment, so that the triggering bar of described user device configuration PDCP layers of state report Part；

Obtain the institute that the user equipment is sent in the case where meeting the trigger condition of described PDCP layers state report State PDCP layers of state report.

With reference to the third aspect, in the first possible implementation, the configuration information includes the timing of user equipment The duration of device；The trigger condition of described PDCP layers state report is that the user equipment is periodic according to the duration of timer Send described PDCP layers state report.

The fourth aspect of the embodiment of the present application provides a kind of method of data transfer, including：

The window that micro-base station receives the transmission packet for including the PDCP layers for indicating micro-base station that macro base station is sent is long The configuration information of degree；

The length of window of the transmission packet of the PDCP layers of the micro-base station is configured according to the configuration information；

If it is determined that transmission of the data volume of micro-base station packet to be sent in the PDCP layers of the micro-base station of configuration In the range of the length of window of packet, then micro-base station packet to be sent is sent to user equipment；Wherein, the grand base The length of window for sending packet of the PDCP layers of length of window and the micro-base station of the transmission packet for the PDCP layers stood it With the length of the window that reorders of the PDCP layers less than or equal to the user equipment.

With reference to fourth aspect, in the first possible implementation, the bag that macro base station is sent is received in the micro-base station Before the configuration information for the length of window for including transmission packet for the PDCP layers that indicate micro-base station, when or afterwards, institute Stating method also includes：

Micro-base station, which is received, to be included being used to indicate that the micro-base station sends the data pack buffer state report to the macro base station The configuration information of announcement；

According to described including for indicating the micro-base station to the macro base station transmission data pack buffer state report Configuration information configure the parameter that the data pack buffer state report is sent to the macro base station；

The data pack buffer state report is sent to the grand base according to the parameter of the data pack buffer state report Stand.

With reference to the first possible implementation of fourth aspect or fourth aspect, in second of possible implementation In, methods described also includes：

If it is determined that the data volume of micro-base station packet to be sent reaches the PDCP of the micro-base station configuration Layer sends the length of window of packet, after the transmission instruction for the rlc layer transmission for receiving the micro-base station, sends the micro-base station and treats The packet of transmission is to the user equipment.

With reference to fourth aspect, in the third possible implementation, the transmission packet of the PDCP layers of the macro base station Window length and the micro-base station PDCP layers transmission packet window length ratio be equal to the macro base station and The service distributing ratio of the micro-base station.

5th aspect of the embodiment of the present application provides a kind of method of data transfer, including：

Receive the data that macro base station is sent in the range of the length of window of the transmission packet of the PDCP layers of the macro base station Bag；And,

The PDCP layers that micro-base station is received in the micro-base station of configuration send what is sent in the range of the length of window of packet Packet；

Wherein, the transmission of the PDCP layers of the length of the window of the transmission packet of the PDCP layers of the macro base station and micro-base station The length sum of the window of packet is less than or equal to the length of the window that reorders of the PDCP layers of the user equipment.

With reference to the 5th aspect, in the first possible implementation, methods described also includes：

The SDU obtained after sequence is ranked up to PDCP layers of SDU；

The SDU after sequence is sent to relative to described PDCP layers high level.

6th aspect of the embodiment of the present application provides a kind of method of data transfer, and methods described includes：

The PDCP layers for including being used to indicate the user equipment for receiving macro base station transmission send data to the macro base station The length of window of bag, and including for indicating that the PDCP layers of the user equipment send the window of packet to the micro-base station The configuration information of length；

The PDCP layers for configuring the user equipment according to the configuration information send the window of packet to the macro base station Length, and the PDCP layers of the user equipment are configured to the length of window of micro-base station transmission packet；

Determine that the user equipment is sent to the data volume of the packet of the macro base station and set in the user of configuration Standby PDCP layers are sent to the macro base station in the range of the length of window of packet, then send and be sent to the macro base station Packet gives the macro base station；And,

Determine that the user equipment is sent to the data volume of the packet of the micro-base station and set in the user of configuration Standby PDCP layers are sent to the micro-base station in the range of the length of window of packet, then send and be sent to the micro-base station Packet gives the micro-base station；

With reference to the 6th aspect, in the first possible implementation, the method for described data transfer also includes：

If it is determined that the data volume that the user equipment is sent to the packet of the macro base station reaches the macro base station PDCP layers send packet length of window, then receive the user equipment rlc layer send transmission indicate after, hair The packet for being sent to macro base station is sent to the macro base station；

And, if it is determined that the user equipment be sent to the packet of the micro-base station data volume reach it is described micro- The PDCP layers of base station send the length of window of packet, then the transmission sent in the rlc layer for receiving the user equipment is indicated Afterwards, send and be sent to the packet of the micro-base station to the micro-base station.

7th aspect of the embodiment of the present application provides a kind of method of data transfer, including：

Receive the configuration information that macro base station is sent；

The trigger condition of described PDCP layers of state report is configured according to the configuration information；

Described PDCP layers state report is sent in the case where meeting the trigger condition of described PDCP layers state report To the macro base station.

With reference to the 7th aspect, in the first possible implementation, the configuration information includes the timing of user equipment The duration of device；The trigger condition of described PDCP layers state report is that the user equipment is periodic according to the duration of timer Send described PDCP layers state report.

With reference to the 7th aspect, in second of possible implementation, the configuration information includes the timing of user equipment The duration of device and the preset range of window；The trigger condition of described PDCP layers state report is that the user equipment confirms to receive The sequence number SN of the packet arrived is outside the preset range of the window, and confirms that timer starts and the timer is super When.

The eighth aspect of the embodiment of the present application provides a kind of base station, including：

Dispensing unit, for the length of window for sending packet according to the PDCP layers for including being used for indicating macro base station One configuration information configures the length of window of the transmission packet of the PDCP layers of the macro base station；

Judging unit, for judge macro base station packet to be sent data volume whether configuration the grand base In the range of the length of window of the transmission packet for the PDCP layers stood；

Transmitting element, for judged according to the judging unit data volume of macro base station packet to be sent with Notice in the range of the length of window of the transmission packet of the PDCP layers for the macro base station put, sends the macro base station to be sent Packet to user equipment；

The transmitting element, the window for being additionally operable to send the transmission packet for including the PDCP layers for indicating micro-base station is long Second configuration information of degree is to micro-base station, so that the micro-base station configures the micro-base station according to second configuration information The length of window of PDCP layers of transmission packet, and determine that the data volume of micro-base station packet to be sent exists by the micro-base station In the range of the length of window of the transmission packet of configuration, then send micro-base station packet to be sent and set to the user It is standby；

With reference to eighth aspect, in the first possible implementation, base station also includes receiving unit；

Wherein, the transmitting element, being additionally operable to send includes being used to indicate that the micro-base station sends institute to the macro base station The configuration information of data pack buffer state report is stated, is delayed so that the micro-base station is configured to the macro base station transmission packet The data pack buffer state report is sent after the parameter for depositing state report to the macro base station；

The receiving unit, for receive the micro-base station according to it is described instruction micro-base station to the macro base station send data The data pack buffer state report that the configuration information of bag buffer status report is sent.

With reference to the first possible implementation of eighth aspect or eighth aspect, the implementation of section's energy in second In, described base station, the receiving unit is additionally operable to judge macro base station packet to be sent according to the judging unit Data volume reach macro base station configuration PDCP layer transmission packet length of window notice, the reception grand base The transmission that the wireless spread-spectrum technology rlc layer stood is sent is indicated；

The transmitting element, is additionally operable to the wireless spread-spectrum technology of the macro base station received according to the receiving unit After the transmission that rlc layer is sent is indicated, macro base station packet to be sent is sent to the user equipment.

As an alternative embodiment, the base station also includes sequencing unit；

The sequencing unit, is ranked up for the service data unit SDU to PDCP layers and obtains after sequence SDU；

The transmitting element, is additionally operable to send the SDU after sequence to gateway.

As an alternative embodiment, the window and micro- base of the transmission packet of the PDCP layers of the macro base station The length ratio of the window of the transmission packet for the PDCP layers stood is equal to the macro base station and the service distributing ratio of the micro-base station Example.

9th aspect of the embodiment of the present application provides a kind of base station, including：

Transmitting element, includes sending data to the macro base station for the PDCP layers for indicating the user equipment for sending The length of window of bag, and including for indicating that the PDCP layers of the user equipment send the window of packet to the micro-base station The configuration information of length gives the user equipment, so that the user equipment configures the user equipment according to the configuration information PDCP layers send the length of window of packet to the macro base station, and the configuration user equipment PDCP layers to described micro- Base station sends the length of window of packet so that the user equipment the user equipment of configuration PDCP layers to described grand Base station sends packet to the macro base station in the range of sending the length of window of packet, and by user equipment in configuration The PDCP layers of the user equipment send packet to described in the range of the length of window of packet is sent to the micro-base station Micro-base station；

Receiving unit, for receive the user equipment the user equipment PDCP layers to the macro base station send number According to the packet sent in the range of the length of window of bag；

As an alternative embodiment, the base station also includes：

Sequencing unit, is ranked up for the SDU to PDCP layers and obtains the SDU after sequence；

As an alternative embodiment, the PDCP layers of the user equipment send the window of packet to the macro base station The length ratio for the window that the length of mouth sends packet to the micro-base station with the PDCP layers of the user equipment is equal to described The service distributing ratio that user equipment is sent to the macro base station and the micro-base station.

Tenth aspect of the embodiment of the present application provides a kind of base station, including：

Transmitting element, for send configuration information to user equipment, so that PDCP layers described in the user device configuration The trigger condition of state report；

Receiving unit, for obtaining feelings of the user equipment in the trigger condition for meeting described PDCP layers state report The PDCP layers of the state report sent under condition.

As an alternative embodiment, the configuration information includes the when long period of timer, it is described PDCP layers The trigger condition of state report periodically send described PDCP layers according to the duration of the timer for the user equipment State report.

Tenth one side of the embodiment of the present application provides a kind of micro-base station, including：

Receiving unit, the transmission data for including the PDCP layers for indicating the micro-base station for receiving macro base station transmission The configuration information of the length of window of bag；

Dispensing unit, the window of the transmission packet of the PDCP layers for configuring the micro-base station according to the configuration information Length；

Judging unit, for judging the data volume of micro-base station packet to be sent whether in the micro-base station In the range of the length of window of PDCP layers of transmission packet；

Transmitting element, for judged according to the judging unit data volume of micro-base station packet to be sent with Notice in the range of the length of window of the transmission packet of the PDCP layers for the micro-base station put, sends the micro-base station to be sent Packet to user equipment；

Wherein, the length of window and the hair of the PDCP layers of the micro-base station of the transmission packet of the PDCP layers of the macro base station Send the length of reorder window of the length of window sum less than or equal to the PDCP layers of the user equipment of packet.

As an alternative embodiment, the receiving unit, being additionally operable to receive includes being used to indicate the micro-base station The configuration information of the data pack buffer state report is sent to the macro base station；

The dispensing unit, is additionally operable to include being used to indicate that the micro-base station sends described to the macro base station according to described The configuration information of data pack buffer state report configures the parameter that the data pack buffer state report is sent to the macro base station；

The transmitting element, is additionally operable to send the data pack buffer according to the parameter of the data pack buffer state report State report gives the macro base station.

As an alternative embodiment, the receiving unit, is additionally operable to judge described micro- according to the judging unit The data volume of base station packet to be sent reaches the length of window of the PDCP layers of transmission packet of the micro-base station configuration Notice, receive the transmission that the rlc layer of the micro-base station sends and indicate；

The transmitting element, is additionally operable to indicate to send micro-base station packet to be sent to described according to the transmission User equipment.

As an alternative embodiment, length and the institute of the window of the transmission packet of the PDCP layers of the macro base station The length ratio for stating the window of the transmission packet of the PDCP layers of micro-base station is equal to the macro base station and the business of the micro-base station Shunt ratio.

12nd aspect of the embodiment of the present application provides a kind of user equipment, including：

Receiving unit, for receiving length of window scope of the macro base station in the transmission packet of the PDCP layers of the macro base station The packet of interior transmission；And,

The receiving unit, the window for being additionally operable to reception micro-base station in the transmission packet of the PDCP layers of the micro-base station is long The packet sent in the range of degree；

As an alternative embodiment, also including：

Transmitting element, for sending the SDU after sequence to relative to described PDCP layers high level.

13rd aspect of the embodiment of the present application provides a kind of user equipment, including：

Receiving unit, for receive macro base station transmission include be used to indicating the PDCP layers of the user equipment to described grand Base station sends the length of window of packet, and including for indicating that the PDCP layers of the user equipment are sent to the micro-base station The configuration information of the length of window of packet；

Dispensing unit, the PDCP layers for configuring the user equipment according to the configuration information are sent to the macro base station The length of window of packet, and the window of PDCP layers to the micro-base station transmission packet of the configuration user equipment are long Degree；

Judging unit, for judge the user equipment be sent to the packet of the macro base station data volume whether The PDCP layers of the user equipment of configuration are sent to the macro base station in the range of the length of window of packet；

Transmitting element, for judging that the user equipment is sent to the data of the macro base station according to the judging unit The data volume of bag sends the scope of the length of window of packet in the PDCP layers of the user equipment of configuration to the macro base station Interior notice, sends the packet for being sent to the macro base station to the macro base station；And,

The judging unit, is additionally operable to judge the data volume for the packet that the user equipment is sent to the micro-base station Whether configuration the user equipment PDCP layers to the micro-base station send packet length of window in the range of；

The transmitting element, is additionally operable to judge that the user equipment is sent to the micro-base station according to the judging unit Packet data volume configuration the user equipment PDCP layers to the micro-base station send packet length of window In the range of notice, send and be sent to the packet of the micro-base station to the micro-base station；

As an alternative embodiment, the receiving unit, is additionally operable to judge described use according to the judging unit The data volume that family equipment is sent to the packet of the macro base station reaches that the PDCP layers of the macro base station send the window of packet The notice of mouth length, receives the transmission instruction that the rlc layer of the user equipment is sent；

The transmitting element, is additionally operable to be sent to the packet of macro base station to institute according to the transmission indicates to send State macro base station；And,

The receiving unit, is additionally operable to judge that the user equipment is sent to the micro-base station according to the judging unit The data volume of packet reach that the PDCP layers of the micro-base station send the notice of the length of window of packet, receive the user The transmission that the rlc layer of equipment is sent is indicated；

The transmitting element, is additionally operable to indicate to send the packet for being sent to the micro-base station to institute according to the transmission State micro-base station.

Tenth aspect of the embodiment of the present application provides a kind of user equipment, including：

Receiving unit, the configuration information for receiving macro base station transmission；

Dispensing unit, the trigger condition of the state report for configuring described PDCP layers according to the configuration information；

Transmitting element, the situation of the trigger condition for meeting described PDCP layers state report according to the user equipment Under, described PDCP layers of state report is sent to the macro base station.

As an alternative embodiment, the configuration information includes the duration of the timer of user equipment；It is described The trigger condition of PDCP layers of state report is that the user equipment periodically sends the PDCP according to the duration of timer The state report of layer.

As an alternative embodiment, the duration and window of the timer of the configuration information including user equipment Preset range；The trigger condition of described PDCP layers state report is the sequence for the packet that user equipment confirmation is received Number SN is outside the preset range of window, and confirms that timer starts and the timer expiry.

The method and relevant device for the data transfer that the embodiment of the present application is provided, by macro base station according to including being used to indicate First configuration information of the length of window of the transmission packet of the PDCP layers of macro base station configures the hair of the PDCP layers of the macro base station The length of window of packet is sent, so that length of window of the macro base station in the transmission packet of the PDCP layers of the macro base station of configuration In the range of send data to user equipment, send the length of window for sending packet for the PDCP layers for including being used for indicating micro-base station The second configuration information to micro-base station so that the micro-base station configures the PDCP of the micro-base station according to second configuration information The length of window of the transmission packet of layer, and sent by the micro-base station in the range of the length of window of the transmission packet of configuration Data give the user equipment.Wherein, the window of the transmission packet of the PDCP layers of the macro base station configured defined in configuration information The length of window sum of the transmission packet of length and micro-base station is less than or equal to the length of the window that reorders of user equipment, So that carrying out data in the case of switching state or carrier aggregation are between multiple communication sites such as macro base station and micro-base station Shunting when, length models of the SN of packet that control user equipment is received in the window that reorders of the PDCP layers of user equipment In enclosing.Or control user equipment, when transferring data to multiple communication sites, the SN of packet is no more than each communication site The length range of PDCP layers of the window that reorders, it is to avoid the data outside reorder window ranges are abandoned and hinder data to pass Defeated transmission rate and the ability of system processing business.It is complete by the mutual cooperation of macro base station and the window that reorders of micro-base station It has been apt to forwarding and the shunting performance of packet.

And, by obtaining the user equipment in the case where meeting the trigger condition of described PDCP layers state report The PDCP layers of the state report sent, can start scheduling strategy Regulation mechanism so that the performance of system transmission data is more Plus flexibly, improve the commonly used type of data transmission system.

And, SDU is directly transmitted to gateway or user equipment to PDCP layers of height by least two communication site Before layer transmission SDU, retransmited after being ranked up to data, it is to avoid occur the disorder phenomenon of data, improve data transfer Quality.

Brief description of the drawings

, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of application, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is a kind of method flow diagram for data transfer that the embodiment of the present application one is provided；

Fig. 2 is the first application schematic diagram of the method for the data transfer that the embodiment of the present application one is provided；

Fig. 3 is the second application schematic diagram of the method for the data transfer that the embodiment of the present application one is provided；

Fig. 4 is a kind of method flow diagram for data transfer that the embodiment of the present application two is provided；

Fig. 5 is the application schematic diagram of the method for the data transfer that the embodiment of the present application two is provided；

Fig. 6 is a kind of method flow diagram for data transfer that the embodiment of the present application three is provided；

Fig. 7 is the application schematic diagram of the method for the data transfer that the embodiment of the present application three is provided；

Fig. 8 is a kind of method flow diagram for data transfer that the embodiment of the present application four is provided；

Fig. 9 is a kind of method flow diagram for data transfer that the embodiment of the present application six is provided；

Figure 10 is a kind of method flow diagram for data transfer that the embodiment of the present application seven is provided；

Figure 11 is a kind of method flow diagram for data transfer that the embodiment of the present application eight is provided；

Figure 12 is the method flow diagram for another data transfer that the embodiment of the present application eight is provided；

Figure 13 is a kind of structure chart for base station that the embodiment of the present application nine is provided；

Figure 14 is a kind of structure chart for base station that the embodiment of the present application 12 is provided；

Figure 15 is a kind of structure chart for user equipment that the embodiment of the present application 14 is provided；

Figure 16 is a kind of structure chart for user equipment that the embodiment of the present application 15 is provided.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on Embodiment in the application, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of the application protection.

Fig. 1, Fig. 2 and Fig. 3 are referred to, Fig. 1 is a kind of method flow diagram for data transfer that the embodiment of the present application one is provided； Fig. 2 is the first application schematic diagram of the method for the data transfer that the embodiment of the present application one is provided；Fig. 3 is that the embodiment of the present application one is carried Second application schematic diagram of the method for the data transfer of confession.Wherein, the method for the data transfer that the present embodiment is provided is applied to LTE In system, effectively communicated by corresponding primitive between each sublayer in LTE system in protocol stack, terminal It is to transmit message to realize various task functions by air interface between network.When user to network send data or When receiving the data that network is transmitted, first have to set up a link between terminal and network, mainly pass through signaling message Interact to complete, the connection of signaling is mainly completed by control plane.When user equipment and network establish signaling connection and chain After road, terminal is set up after each special passage using network allocation to its resource for effective transmission of data service, just Transmitting for data can be carried out, effective transmission of data is completed by user plane.

Wherein, rrc layer configures PDCP layers and rlc layer sets up corresponding Signaling Radio Bearer SRB, is received and controlled by SRB The message of plane, because PDCP layers are supported multiple examples, when rrc layer configures PDCP layers, it is necessary to be each specific PDCP examples each set up a set of independent data field to preserve the configuration parameter and data message of correlation.Between each example Data are separate, and state is independent of each other after connection is set up, the service request that network-side is sent according to user, according to need Start authentication, there is the subsequent users of function such as encryption and integrity protection by the PDCP layer contexts of activation using user data It is sent to network-side, network-side is before PDCP layer example are configured, and PDCP layers of example are in dummy status, and now PDCP layers of example are not Any operation can be carried out, when receiving the configuring request information of rrc layer, PDCP layers by information such as the configuration parameters received in information In the example for being saved in oneself.Rrc layer configures PDCP layers and sets up DRB afterwards, and PDCP layers transit to transmission state, and then can lead to PDCP layers of transmission data are crossed, the data transfer between network and user just can be carried out, carry out the transmitting-receiving of data.If data are passed The after finishing that is totally lost just can discharge corresponding resource after receiving the instruction of release, disconnect.

The method for the data transfer that the present embodiment one is provided is described with the angle of macro base station, as shown in figure 1, this The method for the data transfer that embodiment is provided, comprises the following steps：

S110, macro base station are according to the transmission packet for including PDCP layers of the PDCP for indicating macro base station Length of window the first configuration information configuration macro base station PDCP layers send packet length of window.

S120, determine the transmission data of the data volume of macro base station packet to be sent in the PDCP layers of the macro base station of configuration In the range of the length of window of bag, then macro base station packet to be sent is sent to user equipment.

The second of the length of window of the transmission packet of S130, transmission including the PDCP layers for indicating micro-base station matches somebody with somebody confidence Cease to micro-base station, so that the window that micro-base station configures the transmission packet of the PDCP layers of micro-base station according to the second configuration information is long Degree, and the length of window scope of the data volume of micro-base station packet to be sent in the transmission packet of configuration is determined by micro-base station It is interior, then micro-base station packet to be sent is sent to user equipment.

Wherein, the hair of the PDCP layers of the length of the window of the transmission packet of the PDCP layers of the macro base station of configuration and micro-base station Send the length of reorder window of the length sum less than or equal to the PDCP layers of user equipment of the window of packet.

And, the window of the transmission packet of the window of the transmission packet of the PDCP layers of macro base station and the PDCP layers of micro-base station The length ratio of mouth can be equal to the service distributing ratio of macro base station and micro-base station.

The length of window of PDCP layers of transmission packet is used for the data volume size for determining packet to be sent, more than this The data volume of length of window can not currently be sent.

PDCP layers of the window that reorders is used for reordering and setting up to data cell.The number received when user equipment According to amount beyond its PDCP layers reorder window when, the part data exceeded cannot be handled in time.

Specifically, at least four kinds methods of macro base station are controlled the configuration of macro base station and micro-base station：The first configuration side Method, macro base station is the length of window for sending packet that macro base station itself and micro-base station configure PDCP layers, macro base station and micro-base station The length of window that can be reordered according to PDCP layers of the transmission length of window of packet and the PDCP of user equipment can be calculated Go out service distributing ratio.Second of collocation method, macro base station is macro base station itself and micro-base station allocation ratio information, macro base station and Micro-base station calculates the window of macro base station itself and the transmission packet of PDCP layers of micro-base station configuration according to the percent information of configuration Mouth length and respective service distributing ratio.The third collocation method, macro base station is that macro base station itself and micro-base station configuration are each From service distributing ratio, macro base station and micro-base station calculate macro base station itself according to service distributing ratio and micro-base station is configured The length of window of PDCP layers of transmission packet.4th kind of collocation method, macro base station can be macro base station itself and micro-base station point The length of window and service distributing ratio of transmission packet that Pei Zhi be PDCP layers, the length of window of PDCP layers of transmission packet There is no clear and definite relation with service distributing ratio.

The method for the data transfer that the present embodiment is provided, by macro base station according to the PDCP layers including being used to indicate macro base station Transmission packet length of window the first configuration information configuration macro base station PDCP layers send packet length of window, Set so that macro base station sends data to user in the range of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration It is standby, the second configuration information of length of window for the transmission packet for including the PDCP layers for indicating micro-base station is sent to micro- base Stand, so that micro-base station configures the length of window of the transmission packet of the PDCP layers of micro-base station according to the second configuration information, and by micro- Base station sends data to user equipment in the range of the length of window of the transmission packet of configuration.Wherein, defined in configuration information The length of window sum of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration and the transmission packet of micro-base station Less than or equal to the length of the window that reorders of user equipment so that multiple communication sites such as macro base station and micro-base station are simultaneously When one user equipment provides data distribution service, the PDCP of the SN of the packet that control user equipment is received in user equipment In the length range of the window that reorders of layer.The data outside reorder window ranges are avoided to be abandoned and hinder data transfer Transmission rate and system processing business ability.Pass through the phase interworking of macro base station and the allocation window of the PDCP of micro-base station layers Close, the forwarding of perfect packet and shunting performance.

As an alternative embodiment, sending the window for the transmission packet for including the PDCP layers for indicating micro-base station Before second configuration information of the length of mouth is to micro-base station, this method also includes：

The configuration information for including being used to indicate that micro-base station sends data pack buffer state report to macro base station is sent, so that micro- Base station sends data pack buffer state report to grand base after configuring the parameter that data pack buffer state report is sent to macro base station Stand；

Receive the data pack buffer state report that micro-base station is sent.

Specifically, data pack buffer state report refers to one or more corresponding Data Radio Bearer of micro-base station Data buffer storage situation on DRB.Data pack buffer state report can include specific buffer data size size, can be data The corresponding index of buffer memory, can also be with one determination thresholding result of the comparison, i.e., it is big or small.

By macro base station send configuration information to micro-base station in present embodiment, micro-base station is set to configure micro- according to configuration information Base station sends data pack buffer state report to macro base station.Macro base station can be made to get the data buffer storage state feelings of micro-base station Condition, to start scheduling strategy Regulation mechanism, the number for the packet that adjustment macro base station and micro-base station are sent to user equipment respectively According to amount, business streamed data is more rapidly more reasonably distributed, and then make it that the performance of system transmission data is more flexible, is improved The commonly used type of data transmission system.

As an alternative embodiment, the method for data transfer also includes：

Determine that the data volume of macro base station packet to be sent reaches that the PDCP layers of macro base station configuration send the window of packet Mouth length, then after the transmission instruction for the wireless spread-spectrum technology rlc layer transmission for receiving macro base station, send macro base station number to be sent According to bag to user equipment.

Or determine that the data volume of macro base station packet to be sent reaches that the PDCP layers of macro base station configuration send packet Length of window, then receive after the transmission that the PDCP layers of user equipment send indicates, continue to send macro base station number to be sent According to bag to user equipment.

Specifically, being exemplified below：Assuming that the length of window that the PDCP layers of macro base station send packet is 10（0-10）, grand base The transmission packet SN that stands is 0-10, has reached the length of window of PDCP layers of transmission packet, and now macro base station needs to wait RLC The transmission of layer is indicated.If macro base station is received after the transmission instruction of the packet 0 of rlc layer transmission, macro base station sends PDCP layers The window of packet is changed to（1-11）, it is 11 packet that now macro base station, which can also send packet SN,.If macro base station When the transmission for receiving the packet of rlc layer transmission is indicated, the PDCP layers hair that the packet that macro base station is sent also is not reaching to The length of window of packet is sent, now macro base station needs timely to change the window of the PDCP layers transmission packet of macro base station.

As an alternative embodiment, the method for the data transfer that the present embodiment is provided also includes：

The SDU after sequence is sent to gateway.

Enter as an alternative embodiment, obtaining the SDU after sequence to PDCP layers of service data unit SDU Row sequence is specifically included：

The SDU obtained after sequence is ranked up to PDCP layers of service data unit SDU with reference to the structure of packet.

Specifically, for typical IP packets, it is necessary to include with reference to field therein：Mark (identification), mark (flag), piece skew（offset）.Wherein mark accounts for 16.IP softwares are tieed up in memory A counter is held, a datagram is often produced, counter just adds 1, and this value is assigned into identification field.When datagram needs to divide During piece, the value of this identification field is copied in the identification field of all datagrams.The value of identical identification field makes Each data report tablet after burst finally can be correctly reset as original datagram.Mark accounts for 3, but current only 2 have Meaning.Lowest order in attribute field is designated as MF (More Fragment, MF).MF=1 is the number for " also having burst " behind representing According to report.MF=0 represents that this has been last in some data report tablets.One in the middle of attribute field is designated as DF (Don ' TFragment), mean " being unable to burst ".Only just allow burst as DF=0.Piece skew accounts for 13.Piece skew is pointed out：Compared with Long is grouped in after burst, relative position of certain piece in former packet.That is, the starting point of relative user data fields, should Piece is since where.Piece is offset using 8 bytes as offset identity.In other words, the length of each burst is 8 bytes（64）'s Integral multiple.

In present embodiment, before directly transmitting SDU by least two communication site, the processing of sequence is first passed through, Avoid because SDU has out of order possibility and causes the data that receiving terminal is received due to being that out of order can not show or can not trigger System normal process data.The quality of data transfer and the performance of network service are improved by the processing of sequence.

As shown in Fig. 2 the equipment that the method for the data transfer that the present embodiment is provided is related to includes macro base station, micro-base station and use Three executive agents of family equipment.When communication network determines that the mechanism for starting carrier aggregation carries out the transmission of communication progress data, For the transmission situation of downlink data, macro base station needs control macro base station and micro-base station that respective PDCP layers example is respectively configured. Wherein, the flow of profile instance is as follows：

S201, macro base station configure the length of window of the transmission packet of the PDCP layers of macro base station according to the first configuration information.

Wherein, the first configuration information is used for the transmission packet for PDCP layers of PDCP for indicating macro base station Length of window.

First configuration information is generated by macro base station.Also, macro base station can further generate the second configuration information.Macro base station Can be with specific reference to the data distribution ratio between macro base station and micro-base station（Or service distributing ratio）To generate the first configuration information With the second configuration information.

S202, macro base station send the second configuration information to micro-base station.

S203, micro-base station configure the length of window of the transmission packet of the PDCP layers of micro-base station according to the second configuration information.

Wherein, the second configuration information is used for the length of window of the transmission packet for the PDCP layers for indicating micro-base station.

The purpose for performing step S201, step S202 and step S203 is in order that the hair of the PDCP layers of the macro base station of configuration The length sum of the window of the transmission packet of the length of the window of packet and the PDCP layers of micro-base station is sent to be less than or equal to The length of the window that reorders of the PDCP layers of user equipment.

Macro base station and micro-base station have been respectively configured after respective PDCP layers example, then start on PDCP layers according to The example transmission data for the PDCP layers put.The flow of specific transmission data is following step：

S204, macro base station are if it is determined that the data volume of packet to be sent is the hair in the PDCP layers of the macro base station of configuration Send in the range of the length of window of packet, then perform step S205.

S205, macro base station send grand base in the range of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration Packet to be sent stand to user equipment.

S206, micro-base station are if it is determined that the transmission of the PDCP layers of micro-base station of the data volume in configuration of packet to be sent In the range of the length of window of packet, then step S207 is performed.

S207, micro-base station send micro- base in the range of the length of window of the transmission packet of the PDCP layers of the micro-base station of configuration Packet to be sent stand to user equipment.

Further, the second configuration information of transmission may also include delays for indicating that micro-base station sends packet to macro base station The configuration information of state report is deposited, then the window of transmission packet of the micro-base station except receiving the PDCP layers for indicating micro-base station The configuration information of mouth length, also have received for indicating that micro-base station sends the configuration of data pack buffer state report to macro base station Information, then micro-base station match somebody with somebody except the configuration information of length of window of the transmission packet according to the PDCP layers for being used to indicate micro-base station Put the length of window of the transmission packet of the PDCP layers of micro-base station, in addition it is also necessary to configure to macro base station and send data pack buffer state report The parameter of announcement.It is configured with after the parameter, then data pack buffer state report is sent to macro base station, so that macro base station knows micro-base station Data pack buffer state situation, and then adjust related strategy, or reconfigure PDCP layers of example.

And, as shown in figure 3, the equipment that the method for the data transfer that the present embodiment is provided is related to includes macro base station, micro- base Stand, four executive agents of user equipment and gateway.When communication network determines that the mechanism for starting carrier aggregation communicate into line number According to transmission when, then macro base station control macro base station and micro-base station respective PDCP layers example is respectively configured.Wherein, profile instance Flow is as follows：

Wherein, the first configuration information is used for the transmission packet for PDCP layers of PDCP for indicating macro base station Length of window.First configuration information is generated by macro base station.Also, macro base station can further generate the second configuration information.Grand base Standing can be with specific reference to the data distribution ratio between macro base station and micro-base station（Or service distributing ratio）Match somebody with somebody confidence to generate first Breath and the second configuration information.

The purpose for performing step S201, step S202 and step S203 is in order that the hair of the PDCP layers of the macro base station of configuration The length sum of the window of the transmission packet of the length of the window of packet and the PDCP layers of micro-base station is sent to be less than or equal to The length of the window that reorders of the PDCP layers of user equipment.And, the PDCP layers of macro base station transmission packet window with it is micro- The length ratio of the window of the transmission packet of the PDCP layers of base station is equal to the service distributing ratio of macro base station and micro-base station.

S210, macro base station if it is determined that packet to be sent data volume not configuration macro base station PDCP layers hair Send in the range of the length of window of packet, then perform step S211.

The transmission that the wireless spread-spectrum technology rlc layer that S211, the PDCP layers of macro base station receive macro base station is sent is indicated.

S212, macro base station send packet to user equipment.

S213, micro-base station send packet to user equipment

And, perform following flows when sending SDU：

S214, macro base station are ranked up the SDU obtained after sequence to PDCP layers of service data unit SDU.

S215, macro base station send the SDU after sequence to gateway.

Wherein, when the step S214 and step S215 execution time can be configured with any after PDCP layers of example Between, can be performed before step S210 or step S212 before perform, as long as send SDU, then first arranged at PDCP layers Sequence, issues gateway again after being handled by sequence.

In the present embodiment, the reality of the scope of respective PDCP layers of window is not only respectively configured by macro base station and micro-base station Example, can also be separately configured the example of PDCP layers of sequence, the two examples can be set simultaneously so that communication network transmission data Reliability it is higher.

Optionally, the specific structure pair for being referred to packet is ranked up to PDCP layers of service data unit SDU PDCP layers of service data unit SDU is ranked up.

Fig. 4 and Fig. 5 are referred to, wherein, Fig. 4 is a kind of method flow for data transfer that the embodiment of the present application two is provided Figure；Fig. 5 is the application schematic diagram of the method for the data transfer that the embodiment of the present application two is provided.

The method for the data transfer that the present embodiment is provided is described with macro base station side, as shown in figure 4, this implementation The method for the data transfer that example is provided includes：

S410, transmission include sending the length of window of packet to macro base station for the PDCP layers of instruction user equipment, with And set including the PDCP layers for instruction user equipment to the configuration information of the length of window of micro-base station transmission packet to user It is standby.

The purpose for sending the configuration information is in order that user equipment configures the PDCP layers of user equipment according to configuration information The length of window of packet is sent to macro base station, and configures the PDCP layers of user equipment to the window of micro-base station transmission packet Length, so that user equipment is in the range of the PDCP layers of the user equipment of configuration send the length of window of packet to macro base station Packet is sent to macro base station, and from user equipment the user equipment of configuration PDCP layers to micro-base station transmission packet Packet is sent in the range of length of window to micro-base station.

S420, reception user equipment send the length of window of packet in the PDCP layers of the user equipment of configuration to macro base station In the range of the packet that sends.

Wherein, the PDCP layers of user equipment to macro base station send packet length of window and user equipment PDCP layers to Micro-base station sends the length of reorder window of the length of window sum less than or equal to the PDCP layers of macro base station of packet.

In the present embodiment, by macro base station send configuration information to user equipment, to control user equipment to transfer data to During multiple communication sites, the length range of reorder windows of the SN no more than the PDCP layers of each communication site of packet is kept away Exempt from the data outside reorder window ranges to be abandoned and hinder the transmission rate of data transfer and the energy of system processing business Power.By the mutual cooperation of macro base station and the window that reorders of micro-base station, the forwarding of perfect packet and shunting performance.

As an alternative embodiment, the PDCP layers of user equipment send window and the user of packet to macro base station The length ratio that the PDCP layers of equipment send the window of packet to micro-base station is equal to user equipment to macro base station and micro-base station hair The service distributing ratio sent.

As an alternative embodiment, method also includes：

The SDU after sequence is sent to gateway.

As an alternative embodiment, PDCP layers of service data unit SDU is ranked up including：

Specifically, for typical IP packets, it is necessary to include with reference to field therein：Mark (identification), mark (flag), piece skew（offset）.Wherein mark (identification) accounts for 16.IP Software maintains a counter in memory, often produces a datagram, counter just adds 1, and this value is assigned into identifier word Section.When datagram needs burst, the value of this identification field is copied in the identification field of all datagrams.It is identical The value of identification field each data report tablet after burst finally can be correctly reset as original datagram.Indicate (flag) Account for 3, but at present only 2 it is meaningful.Lowest order in attribute field is designated as MF (More Fragment).MF=1 is represented The datagram for " also having burst " below.MF=0 represents that this has been last in some data report tablets.In the middle of attribute field One is designated as DF (Don ' t Fragment), means " being unable to burst ".Only just allow burst as DF=0.Piece is offset （offset）Account for 13.Piece skew is pointed out：Longer is grouped in after burst, relative position of certain piece in former packet.Namely Say, with respect to the starting point of user data fields, the piece is since where.Piece is offset using 8 bytes as offset identity.In other words, The length of each burst is 8 bytes（64）Integral multiple.

In present embodiment, SDU transmission is controlled by the configuration of macro base station so that pass through at least two communication site Directly transmit before SDU, first pass through the processing of sequence, it is to avoid because SDU has out of order possibility and causes receiving terminal gateway to receive To data due to being that out of order can not show or system normal process data can not be triggered.Number is improved by the processing of sequence According to the quality and the performance of network service of transmission.

As shown in figure 5, the equipment that the method for the data transfer that the present embodiment is provided is related to includes macro base station, micro-base station, use Four executive agents of family equipment and gateway.When communication network determines that the mechanism for starting carrier aggregation carries out the biography that communication carries out data When defeated, for the transmission situation of downlink data, macro base station needs to control the example of PDCP layers of user device configuration.Wherein, configure The flow of example is as follows：

S501, macro base station send the first configuration information to user equipment.Wherein the first configuration information includes being used to indicate to use The PDCP layers of family equipment to macro base station send packet length of window, and including the PDCP layers for instruction user equipment to Micro-base station sends the information of the length of window of packet.

S502, user equipment send packet according to the PDCP layers of the first configuration information configuration user equipment to macro base station Length of window, and the PDCP layers of user equipment are configured to the length of window of micro-base station transmission packet.

Wherein, the PDCP layers of user equipment are made to send the length of window of packet and the PDCP layers of user equipment to macro base station The length of window sum for sending packet to micro-base station is less than or equal to the length of the window that reorders of the PDCP layers of macro base station. And in the present embodiment, the PDCP layers of user equipment send the window of packet and the PDCP layers of user equipment to micro- to macro base station The length ratio that base station sends the window of packet can be equal to the service distributing that user equipment is sent to macro base station and micro-base station Ratio.

S503, user equipment send the model of the length of window of packet in the PDCP layers of the user equipment of configuration to macro base station Interior transmission packet is enclosed to macro base station.

S504, user equipment send the model of the length of window of packet in the PDCP layers of the user equipment of configuration to micro-base station Interior transmission packet is enclosed to micro-base station.

The PDCP layers for being configured with user equipment according to the first configuration information send the length of window of packet to macro base station, with And configuration user equipment PDCP layers to micro-base station transmission packet length of window after, for holding for step S503 and S504 Go in no particular order sequentially.

S505, macro base station are ranked up the SDU obtained after sequence to PDCP layers of SDU.

S506, macro base station send the SDU after sequence to gateway.

As long as SDU to be sent PDCP layers is ranked up to SDU before then sending and obtained after sequence to gateway SDU.With step S503 and S504 execution sequence in no particular order.

Wherein, PDCP layers of service data unit SDU is ranked up and is specifically referred to the structure of packet to PDCP The service data unit SDU of layer is ranked up the SDU obtained after sequence.

Fig. 6 and Fig. 7 are referred to, Fig. 6 is a kind of method flow diagram for data transfer that the embodiment of the present application three is provided；Fig. 7 It is the application schematic diagram of the method for the data transfer that the embodiment of the present application three is provided.As shown in fig. 6, the data that the present embodiment is provided The method of transmission is described with the angle of macro base station, and the method for the data transfer that the present embodiment is provided includes：

S610, send configuration information are to user equipment, so that user device configuration sends touching for PDCP layers of state report Clockwork spring part；

The PDCP layers that S620, acquisition user equipment are sent in the case where meeting PDCP layers of the trigger condition of state report State report.

The present embodiment, to user equipment, makes the shape of PDCP layers of user device configuration transmission by macro base station send configuration information The condition of state report, and then user equipment can be obtained sent in the case where meeting PDCP layers of the trigger condition of state report PDCP layers state report, then macro base station can according to the state report of the PDCP layers got start scheduling strategy adjustment machine System so that the performance of system transmission data is more flexible, improves the commonly used type of data transmission system.

As an alternative embodiment, configuration information includes the duration of the timer of user equipment, user equipment hair The trigger condition for sending PDCP layers of state report is the shape that user equipment periodically sends PDCP layers according to the duration of timer State is reported.

As shown in fig. 7, the equipment that is related to of method for the data transfer that the present embodiment is provided include macro base station, micro-base station and User equipment.Wherein, the step of each equipment body is performed is as follows：

S701, macro base station send the first configuration information to user equipment.First configuration information is used for instruction user equipment Configuration sends the trigger condition of PDCP layers of state report.The purpose for performing this step is user device configuration is sent PDCP layers State report trigger condition, so that user equipment sends PDCP layers of state report in the case where meeting the trigger condition Accuse.

S702, user equipment configure the trigger condition for the state report for sending PDCP layers according to the first configuration information.

S703, user equipment confirm to meet the trigger condition of PDCP layers of state report.

S704, the state report of PDCP layers of transmission are to base station.

Fig. 8 is referred to, Fig. 8 is a kind of method flow diagram for data transfer that the embodiment of the present application four is provided.The present embodiment The method of the data transfer of offer is described with the angle of micro-base station, as shown in figure 8, the data that the present embodiment is provided are passed Defeated method, including：

S810, micro-base station receive the window for the transmission packet for including the PDCP layers for indicating micro-base station that macro base station is sent The configuration information of mouth length.

S820, micro-base station configure the length of window of the transmission packet of the PDCP layers of micro-base station according to configuration information.

S830, determine the transmission data of the data volume of micro-base station packet to be sent in the PDCP layers of the micro-base station of configuration In the range of the length of window of bag, then micro-base station packet to be sent is sent to user equipment.

Wherein, the transmission of the PDCP layers of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration and micro-base station The length of window sum of packet is less than or equal to the length of the window that reorders of the PDCP layers of user equipment.

In the present embodiment, the window of the transmission packet of the PDCP layers of micro-base station is configured according to configuration information by micro-base station Length, and send data to user equipment in the range of the length of window of the transmission packet of configuration by micro-base station.Wherein, configure The window of the length of window of the transmission packet of the PDCP layers of the macro base station configured defined in information and the transmission packet of micro-base station Mouth length sum is less than or equal to the length of the window that reorders of user equipment so that multiple communications such as macro base station and micro-base station When website provides data distribution service for a user equipment simultaneously, the SN for the packet that control user equipment is received is in user In the length range of the window that reorders of the PDCP layers of equipment.The data outside reorder window ranges are avoided to be abandoned and hindered Hinder the transmission rate of data transfer and the ability of system processing business.Pass through macro base station and the allocation window of the PDCP of micro-base station layers Mutual cooperation, the forwarding of perfect packet and shunting performance.

As an alternative embodiment, micro-base station is used to indicate configuration micro-base station including of receiving that macro base station sends The configuration information of the length of window of PDCP layers of transmission packet includes：

Micro-base station receives the configuration for including being used to indicate that configuration micro-base station sends data pack buffer state report to macro base station Information；

According to including for indicating that the configuration information that configuration micro-base station sends data pack buffer state report to macro base station is matched somebody with somebody Put the parameter that data pack buffer state report is sent to macro base station；

Data pack buffer state report is sent to macro base station.

The configuration information that macro base station is sent is received by micro-base station in present embodiment, micro-base station is configured according to configuration information Micro-base station sends data pack buffer state report to macro base station, and macro base station can be made to get the data buffer storage state feelings of micro-base station Condition, to start scheduling strategy Regulation mechanism, the number for the packet that adjustment macro base station and micro-base station are sent to user equipment respectively According to amount, business streamed data is more rapidly more reasonably distributed, and then make it that the performance of system transmission data is more flexible, is improved The commonly used type of data transmission system.

As an alternative embodiment, method also includes：

Determine that the data volume of micro-base station packet to be sent reaches that the PDCP layers of micro-base station configuration send the window of packet Mouth length, after the transmission instruction for the rlc layer transmission for receiving micro-base station, sends micro-base station packet to be sent to user equipment.

Or determine that the data volume of micro-base station packet to be sent reaches that the PDCP layers of macro base station configuration send packet Length of window, then receive after the transmission that the PDCP layers of user equipment send indicates, continue to send micro-base station number to be sent According to bag to user equipment.

As an alternative embodiment, the window and the PDCP of micro-base station of the transmission packet of the PDCP layers of macro base station The length ratio of the window of the transmission packet of layer is equal to the service distributing ratio of macro base station and micro-base station.

A kind of method for data transfer that the embodiment of the present application five is provided, is described with the angle of micro-base station, this implementation The method for the data transfer that example is provided, including：

Receive the model that user equipment sends the length of window of packet in the PDCP layers of the user equipment of configuration to micro-base station Enclose the packet of interior transmission.

Wherein, the PDCP layers for including being used for instruction user equipment that user equipment is sent according to macro base station are sent to macro base station The length of window of packet, and including the PDCP layers for instruction user equipment to micro-base station send packet length of window The PDCP layers of configuration information configuration user equipment the length of window of packet is sent to macro base station, and configure user equipment PDCP layers packet is sent to micro-base station length of window so that user equipment the user equipment of configuration PDCP layers to grand base Packet is sent in the range of the length of window for sending packet of standing to macro base station, and the user by user equipment in configuration sets Standby PDCP layers send packet to micro-base station in the range of the length of window of packet is sent to micro-base station；Wherein, Yong Hushe Standby PDCP layers send the length of window of packet and the PDCP layers of user equipment to macro base station and send packet to micro-base station Length of window sum is less than or equal to the length of the window that reorders of the PDCP layers of macro base station.

The method for the data transfer that the present embodiment is provided, user equipment of the user equipment in configuration is received by micro-base station PDCP layers send the packet sent in the range of the length of window of packet to micro-base station, can avoid the packet received Do not reordered in the PDCP layers of micro-base station in window ranges, and lose necessary data.That is control user equipment is transferred data to During multiple communication sites, the length range of reorder windows of the SN no more than the PDCP layers of each communication site of packet is kept away Exempt from the data outside reorder window ranges to be abandoned and hinder the transmission rate of data transfer and the energy of system processing business Power.By the mutual cooperation of macro base station and the window that reorders of micro-base station, the forwarding of perfect packet and shunting performance.

Fig. 9 is referred to, Fig. 9 is a kind of method flow diagram for data transfer that the embodiment of the present application six is provided.The present embodiment The method of the data transfer of offer is described with the angle of user equipment, as shown in figure 9, the data transfer that the present embodiment is provided Method, including：

S910, reception macro base station are sent in the range of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration Packet.

And, the packet that S920, reception micro-base station are sent in the range of the length of window of the transmission packet of configuration.

The method for the data transfer that the present embodiment is provided, macro base station of the macro base station in configuration is received by user equipment The packet sent in the range of the length of window of PDCP layers of transmission packet, and receive transmission data of the micro-base station in configuration The packet sent in the range of the length of window of bag, the then transmission of the PDCP layers of the macro base station configured according to defined in configuration information The length of window of packet and the length of window sum of the transmission packet of micro-base station are less than or equal to the rearrangement of user equipment The length of sequence window so that multiple communication sites such as macro base station and micro-base station provide data distribution clothes for a user equipment simultaneously During business, length ranges of the SN of packet that control user equipment is received in the window that reorders of the PDCP layers of user equipment It is interior.The data outside reorder window ranges are avoided to be abandoned and hindered the transmission rate and system processing business of data transfer Ability.By the mutual cooperation of macro base station and the allocation window of the PDCP of micro-base station layers, the perfect forwarding of packet and point Fluidity energy.

As an alternative embodiment, the method for the data transfer also includes：

The SDU obtained after sequence is ranked up to PDCP layers of SDU；

The SDU after sequence is sent to the high level relative to PDCP layers.

Specifically may be used as an alternative embodiment, being ranked up to PDCP layers of SDU and obtaining the SDU after sequence Service data unit SDU with the structure with reference to packet to PDCP layers is ranked up the SDU obtained after sequence.

In present embodiment, by sequence processing SDU so that user equipment sends SDU to the high level of multiple communication sites Before, first pass through PDCP layers sequence processing, it is to avoid because SDU exist out of order possibility cause the data that receiving terminal is received by Then it is out of order to show or system normal process data can not be triggered.The matter of data transfer is improved by the processing of sequence Amount and the performance of network service.

Figure 10 is referred to, Figure 10 is a kind of method flow diagram for data transfer that the embodiment of the present application seven is provided.This implementation The method for the data transfer that example is provided is described with the angle of user equipment, as shown in Figure 10, the data that the present embodiment is provided The method of transmission, including：

The PDCP layers for including being used for instruction user equipment that S1010, reception macro base station are sent send packet to macro base station Length of window, and including the PDCP layers for instruction user equipment to micro-base station send packet length of window configuration Information.

S1020, according to configuration information configure user equipment PDCP layers to macro base station transmission packet length of window, with And the PDCP layers of configuration user equipment send the length of window of packet to micro-base station.

S1030, determine that user equipment is sent to the user equipment of the data volume of the packet of macro base station in configuration In the range of the PDCP layers of length of window to macro base station transmission packet, then the packet for being sent to macro base station is sent to grand base Stand.And,

S1040, determine that user equipment is sent to the user equipment of the data volume of the packet of micro-base station in configuration In the range of the PDCP layers of length of window to micro-base station transmission packet, then the packet for being sent to micro-base station is sent to micro- base Stand.

The method for the data transfer that the present embodiment is provided, the configuration information that macro base station is sent is received by user equipment, with The PDCP layers for configuring user equipment send the length of window of packet to macro base station, and configure the PDCP layers of user equipment to micro- Base station sends the length of window of packet so that when user equipment transfers data to multiple communication sites, the packet of transmission Length ranges of the SN no more than the window that reorders of the PDCP layers of each communication site, it is to avoid each communication site reorder window Data outside mouth scope are abandoned and hinder the transmission rate of data transfer and the ability of system processing business.Pass through macro base station With the mutual cooperation of the window that reorders of micro-base station, the forwarding of perfect packet and shunting performance.

As an alternative embodiment, the method for data transfer also includes：

Determine user equipment be sent to the packet of macro base station data volume reach macro base station PDCP layers send data The length of window of bag, then after the transmission instruction for the rlc layer transmission for receiving user equipment, send the data for being sent to macro base station Wrap to macro base station；

And, determine user equipment be sent to the packet of micro-base station data volume reach micro-base station PDCP layers send The length of window of packet, then after the transmission instruction for the rlc layer transmission for receiving user equipment, send data to micro-base station.

Figure 11 is referred to, Figure 11 is a kind of method flow diagram for data transfer that the embodiment of the present application eight is provided.This implementation The method for the data transfer that example is provided is described with the angle of user equipment, as shown in figure 11, what the present embodiment was provided The method of data transfer, including：

S1110, the configuration information for receiving macro base station transmission；

S1120, according to configuration information configure PDCP layers state report trigger condition；

S1130, in the case where meeting PDCP layers of the trigger condition of state report send PDCP layers state report to Macro base station.

The present embodiment receives the configuration information that macro base station is sent by user equipment, to configure the state report for sending PDCP layers The condition of announcement, and then allow macro base station to obtain situation of the user equipment in the trigger condition for the state report for meeting PDCP layers The state report of the PDCP layers of lower transmission, then macro base station can be according to the state report of the PDCP layers got startup scheduling strategy Regulation mechanism so that the performance of system transmission data is more flexible, improves the commonly used type of data transmission system.

As an alternative embodiment, configuration information includes the duration of the timer of user equipment, PDCP layers of shape The trigger condition of state report periodically sends PDCP layers of state report for user equipment according to the duration of timer, is meeting PDCP layers of state report is sent in the case of the trigger condition of PDCP layers of state report to be included to macro base station：

Start timer；

Duration according to timer periodically sends PDCP layers of state report to macro base station.

Figure 12 is referred to, Figure 12 is the method flow diagram for another data transfer that the embodiment of the present application eight is provided.This reality The method flow diagram for applying the data transfer of example offer is the further preferred technical scheme based on Figure 11, is with user equipment What angle was described, as shown in figure 12, in present embodiment, configuration information includes the duration and window of the timer of user equipment The preset range of mouth；The trigger condition of PDCP layers of state report is the sequence number SN for the packet that user equipment confirmation is received Outside the preset range of window, and confirm the trigger condition of timer startup and timer expiry, meet PDCP layers of shape PDCP layers of state report is sent in the case of the trigger condition of state report to be included to macro base station：

Whether S1131, user equipment judge the SN of the packet received outside the preset range of window.

If S1132, user equipment judge the SN of the packet received outside the preset range of window, user equipment Judge whether timer starts.If user equipment judges that timer does not start, step S1133 is performed.If user sets It is standby to judge that timer has been turned on, then perform step S1134.

S1133, the state report of PDCP layers of transmission start to macro base station or restart timer.Perform step S1133 Step S1131 is gone to afterwards, starts new flow, that is, judges the SN of the packet received next time whether in the default of window Outside scope.

S1134, judge whether timer is overtime.If user equipment judges timer expiry, step S1133 is performed.

As an alternative embodiment, in above-mentioned steps S1134, if user equipment judges that timer does not surpass When, then method also includes：

Whether user equipment continues to judge the SN of the new packet received next time outside the preset range of window.

As an alternative embodiment, in above-mentioned steps S1131, if user equipment judges the packet received SN not outside the preset range of window, method also includes：

Whether user equipment sets the preset range of window, and continue to judge the SN of the packet received next time in window Outside the preset range of mouth.

To sum up describe, the method for the data transfer that the embodiment of the present application is provided, by macro base station according to including being used to indicate The transmission packet of the PDCP layers of the configuration information configuration macro base station of the length of window of the transmission packet of the PDCP layers of macro base station Length of window so that macro base station sends number in the range of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration The configuration information of the length of window for sending packet for the PDCP layers for including being used for indicating micro-base station according to user equipment, sending to Micro-base station, so that micro-base station configures the length of window of the transmission packet of the PDCP layers of micro-base station according to configuration information, and by micro- Base station sends data to user equipment in the range of the length of window of the transmission packet of configuration.Wherein, defined in configuration information The length of window sum of the length of window of the transmission packet of the PDCP layers of the macro base station of configuration and the transmission packet of micro-base station Less than or equal to the length of the window that reorders of user equipment so that locate between multiple communication sites such as macro base station and micro-base station When the shunting of data is carried out in the case of switching state or carrier aggregation, the SN for the packet that control user equipment is received In the length range for reordering window of the PDCP layers of user equipment.Or control user equipment transfers data to multiple communications During website, the length range of reorder windows of the SN no more than the PDCP layers of each communication site of packet, it is to avoid to resetting Data outside sequence window ranges are abandoned and hinder the transmission rate of data transfer and the ability of system processing business.By grand The mutual cooperation of the window that reorders of base station and micro-base station, the forwarding of perfect packet and shunting performance.

And, sent by obtaining user equipment in the case where meeting PDCP layers of the trigger condition of state report PDCP layers of state report, can start scheduling strategy Regulation mechanism so that the performance of system transmission data is more flexible, lifting The commonly used type of data transmission system.

Figure 13 is referred to, Figure 13 is a kind of structure chart for base station that the embodiment of the present application nine is provided.What the present embodiment was provided Base station is a kind of macro base station, as shown in figure 13, and the base station that the present embodiment is provided includes：Dispensing unit 130, the and of judging unit 131 Transmitting element 132.

Wherein, dispensing unit 130, the window for the transmission packet according to the PDCP layers included for indicating macro base station The length of window of the transmission packet of the PDCP layers of the first configuration information configuration macro base station of length.

Judging unit 131, for judge macro base station packet to be sent data volume whether configuration macro base station In the range of the length of window of PDCP layers of transmission packet.

Transmitting element 132, for being judged the data volume of macro base station packet to be sent in configuration according to judging unit 131 Macro base station PDCP layers transmission packet length of window in the range of notice, send macro base station packet to be sent to User equipment.

Transmitting element 132, the window for being additionally operable to send the transmission packet for including the PDCP layers for indicating micro-base station is long Second configuration information of degree is to micro-base station, so that micro-base station configures the transmission number of the PDCP layers of micro-base station according to the second configuration information The transmission packet of the data volume of micro-base station packet to be sent in configuration is determined according to the length of window of bag, and by micro-base station In the range of length of window, then micro-base station packet to be sent is sent to user equipment.

Wherein, the transmission data of the PDCP layers of the length of the window of the transmission packet of the PDCP layers of macro base station and micro-base station The length sum of the window of bag is less than or equal to the length of the window that reorders of the PDCP layers of user equipment.

And, the window of the transmission packet of the window of the transmission packet of the PDCP layers of macro base station and the PDCP layers of micro-base station The length ratio of mouth can be equal to the service distributing ratio of macro base station and micro-base station.The length of window of PDCP layers of transmission packet Data volume size for determining packet to be sent, the data volume more than the length of window can not currently be sent.

Wherein, the dispensing unit can be a processor, can be used in the present embodiment grand according to instruction is included The transmission data of the PDCP layers of the first configuration information configuration macro base station of the length of window of the transmission packet of the PDCP layers of base station The length of window of bag.The judging unit can be another processor, can be used for the number for judging macro base station packet to be sent According to amount whether in the range of the length of window for sending packet of the PDCP layers of the macro base station of configuration.Above-mentioned transmitting element can be Radio-frequency unit, can be used for the transmission in the PDCP layers of the macro base station of configuration according to the data volume of macro base station packet to be sent Judgement in the range of the length of window of packet is notified, sends macro base station packet to be sent to user equipment.These processing Device or unit can be realized by logical integrated circuit.

In alternatively possible embodiment, the macro base station that the present embodiment is provided, by dispensing unit 130 according to including use The PDCP layers of macro base station are configured in the first configuration information of the length of window of the transmission packet for the PDCP layers for indicating macro base station The length of window of packet is sent, so that transmission data of the transmitting element 132 of macro base station in the PDCP layers of the macro base station of configuration User equipment is sent data in the range of the length of window of bag, and is sent by transmitting element 132 including being used to indicate micro-base station PDCP layers transmission packet length of window the second configuration information to micro-base station so that micro-base station matches somebody with somebody confidence according to second Breath configuration micro-base station PDCP layers transmission packet length of window, and by micro-base station configuration send packet window User equipment is sent data in length range.Wherein, the transmission number of the PDCP layers of the macro base station configured defined in configuration information It is less than or equal to user equipment according to the length of window of bag and the length of window sum of transmission packet of micro-base station and reordering The length of window so that multiple communication sites such as macro base station and micro-base station provide data distribution service for a user equipment simultaneously When, the SN for the packet that control user equipment is received is in the length range for reordering window of the PDCP layers of user equipment. Avoid the data outside reorder window ranges from being abandoned and hinder the transmission rate and system processing business of data transfer Ability.By the mutual cooperation of macro base station and the allocation window of the PDCP of micro-base station layers, the perfect forwarding and shunting of packet Performance.

As an alternative embodiment, above-mentioned base station also includes receiving unit.

Wherein, transmitting element, being additionally operable to send includes being used to indicate that micro-base station sends data pack buffer state to macro base station The configuration information of report, so that micro-base station, which is configured after sending the parameter of data pack buffer state report to macro base station, sends data Bag buffer status report is to macro base station.

Receiving unit, data pack buffer state report is sent for receiving micro-base station according to indicating micro-base station to macro base station The data pack buffer state report that configuration information is sent.

Specifically, data pack buffer state report refers to one or more corresponding Data Radio Bearer of micro-base station Data buffer storage situation on DRB, data pack buffer state report can include specific buffer data size size, can be data The corresponding index of buffer memory, can also be with one determination thresholding result of the comparison, i.e., it is big or small.

Wherein, the receiving unit can be a RF Receiving Device.

Micro-base station is made according to configuration to micro-base station by the transmitting element send configuration information of macro base station in present embodiment Information configuration micro-base station sends data pack buffer state report to macro base station, and the receiving unit of macro base station can be made to get micro- base The data buffer storage state status stood, so as to macro base station start scheduling strategy Regulation mechanism, adjustment macro base station and micro-base station respectively to The data volume for the packet that user equipment is sent, more rapidly more reasonably distributes business streamed data, and then cause system transmission The performance of data is more flexible, improves the commonly used type of data transmission system.

As an alternative embodiment, receiving unit, is additionally operable to judge that macro base station is to be sent according to judging unit The data volume of packet reaches that the PDCP layers of macro base station configuration send the notice of the length of window of packet, receives the nothing of macro base station The transmission that wired link control rlc layer is sent is indicated.

Transmitting element, is additionally operable to the biography of the wireless spread-spectrum technology rlc layer transmission of the macro base station received according to receiving unit After defeated instruction, macro base station packet data to be sent is sent to user equipment.

Or receiving unit, it is additionally operable to determine that the data volume of macro base station packet to be sent reaches according to judging unit grand The PDCP layers of base station configuration send the length of window of packet, then receive the transmission instruction that the PDCP layers of user equipment are sent Afterwards, continue to send macro base station packet to be sent to user equipment.

As an alternative embodiment, above-mentioned base station also includes sequencing unit.

Wherein, sequencing unit, is ranked up for the service data unit SDU to PDCP layers and obtains after sequence SDU。

Transmitting element, is additionally operable to send the SDU after sequence to gateway.

Wherein, the sequencing unit can be another microprocessor, be arranged for the service data unit SDU to PDCP layers Sequence obtains the SDU after sequence.

In present embodiment, SDU is handled by sequencing unit so that directly transmit by least two communication site Before SDU is to gateway, the sequence processing of the PDCP layers of macro base station is first passed through, it is to avoid because SDU has out of order possibility and causes to connect The data that receiving end is received are due to being that out of order can not show or can not trigger system normal process data.By the processing of sequence Improve the quality of data transfer and the performance of network service.

The embodiment of the present application ten provide base station be a kind of macro base station, the present embodiment provide base station include transmitting element and Receiving unit.

Wherein, transmitting element, the PDCP layers for including being used for instruction user equipment for transmission send packet to macro base station Length of window, and including the PDCP layers for instruction user equipment to micro-base station send packet length of window configuration Information is to user equipment, so that user equipment sends packet according to the PDCP layers of configuration information configuration user equipment to macro base station Length of window, and configuration user equipment PDCP layers to micro-base station transmission packet length of window.So that user equipment Packet is sent to grand base in the range of the PDCP layers of the user equipment of configuration send the length of window of packet to macro base station Stand, and from user equipment in the range of the PDCP layers of the user equipment of configuration send the length of window of packet to micro-base station Packet is sent to micro-base station.

Receiving unit, it is long in the window that the PDCP layers of user equipment send packet to macro base station for receiving user equipment The packet sent in the range of degree.

And, the PDCP layers of user equipment send the length and the PDCP layers of user equipment of the window of packet to macro base station The length ratio that the window of packet is sent to micro-base station is equal to the service distributing that user equipment is sent to macro base station and micro-base station Ratio.

Wherein, the transmitting element in the present embodiment can be radio frequency dispensing device, and the receiving unit can be radio frequency reception Device, can carry out circuit connection, with send configuration information to user equipment so that user equipment is passed according to above-mentioned logical relation When sending data to multiple communication sites, the length of reorder windows of the SN no more than the PDCP layers of each communication site of packet Scope.These processors or unit can be realized by logical integrated circuit.

The macro base station that the present embodiment is provided, by transmitting element send configuration information to user equipment, to control user to set For when transferring data to multiple communication sites, the SN of packet is no more than the window that reorders of the PDCP layers of each communication site Length range, it is to avoid the data outside reorder window ranges are abandoned and hindered at the transmission rate and system of data transfer The ability of reason business.By the mutual cooperation of macro base station and the window that reorders of micro-base station, the perfect forwarding of packet and point Fluidity energy.

Wherein, sequencing unit, is ranked up for the SDU to PDCP layers and obtains the SDU after sequence.

The base station that the embodiment of the present application 11 is provided is a kind of macro base station, and the base station that the present embodiment is provided includes transmitting element And receiving unit.

Wherein, transmitting element, for send configuration information to user equipment, so that the state of PDCP layers of user device configuration The trigger condition of report.

Receiving unit, sends for obtaining user equipment in the case where meeting PDCP layers of the trigger condition of state report PDCP layers state report.

Wherein, the transmitting element in the present embodiment can be radio frequency dispensing device, and the receiving unit can be radio frequency reception Device, can carry out circuit connection according to above-mentioned logical relation, and, these processors or unit can be integrated by logic Circuit is realized.

The present embodiment, to user equipment, sends user device configuration by the transmitting element send configuration information of macro base station The condition of PDCP layers of state report, and then PDCP layers can met by the receiving unit acquisition user equipment of macro base station The state report of the PDCP layers sent in the case of the trigger condition of state report, then macro base station can be according to the PDCP got The state report of layer starts scheduling strategy Regulation mechanism so that the performance of system transmission data is more flexible, improves data biography The commonly used type of defeated system.

As an alternative embodiment, configuration information includes the duration of timer, PDCP layers of state report is touched Clockwork spring part is the state report that user equipment periodically sends PDCP layers according to the duration of timer.

Figure 14 is referred to, Figure 14 is a kind of structure chart for base station that the embodiment of the present application 12 is provided.The present embodiment is provided Base station be a kind of micro-base station, as shown in figure 14, the present embodiment provide micro-base station include receiving unit 140, dispensing unit 141st, judging unit 142 and transmitting element 143.

Wherein, receiving unit 140, the transmission for including the PDCP layers for indicating micro-base station for receiving macro base station transmission The configuration information of the length of window of packet.

Dispensing unit 141, the length of window of the transmission packet of the PDCP layers for configuring micro-base station according to configuration information.

Judging unit 142, for judge micro-base station packet to be sent data volume whether micro-base station PDCP layers Transmission packet length of window in the range of.

Transmitting element 143, for being judged the data volume of micro-base station packet to be sent in configuration according to judging unit 142 Micro-base station PDCP layers transmission packet length of window in the range of notice, send micro-base station packet to be sent to User equipment.

Wherein, the transmission packet of the PDCP layers of the length of window of the transmission packet of the PDCP layers of macro base station and micro-base station Length of window sum be less than or equal to user equipment PDCP layers the window that reorders length.

Wherein, the dispensing unit can be a processor, and the judging unit can be another processor, above-mentioned transmission list Member can be radio-frequency unit.These processors or unit can be realized by logical integrated circuit, be closed according to above-mentioned logic System carries out circuit connection.

In the present embodiment, the configuration information that macro base station is sent is received by the receiving unit 140 of micro-base station, so that configuration The length of window of the transmission packet of the PDCP layers of the configuration micro-base station of unit 141, and configured by the transmitting element 143 of micro-base station Transmission packet length of window in the range of send data to user equipment.Wherein, the grand base configured defined in configuration information The length of window of the transmission packet for the PDCP layers stood and the length of window sum of the transmission packet of micro-base station are less than or waited In the length of the window that reorders of user equipment simultaneously so that multiple communication sites such as macro base station and micro-base station set for a user Standby when providing data distribution service, the SN of the packet that control user equipment is received reorders in the PDCP layers of user equipment In the length range of window.The data outside reorder window ranges are avoided to be abandoned and hindered the transmission rate of data transfer With the ability of system processing business.By the mutual cooperation of macro base station and the allocation window of the PDCP of micro-base station layers, perfect number Forwarding and shunting performance according to bag.

As an alternative embodiment, receiving unit, being additionally operable to receive includes being used to indicate micro-base station to macro base station Send the configuration information of data pack buffer state report.

Dispensing unit, is additionally operable to according to including being used to indicate that micro-base station sends data pack buffer state report to macro base station Configuration information configures the parameter that data pack buffer state report is sent to macro base station；

Transmitting element, is additionally operable to send data pack buffer state report to grand according to the parameter of data pack buffer state report Base station.

The configuration information that macro base station is sent is received by the receiving unit of micro-base station in present embodiment, micro-base station is according to matching somebody with somebody Confidence breath sends the parameter of data pack buffer state report by configuration of described dispensing unit micro-base station to macro base station, and single by sending Member sends data pack buffer state report to macro base station according to the parameter of data pack buffer state report, can obtain macro base station To the data buffer storage state status of micro-base station, to start scheduling strategy Regulation mechanism, adjustment macro base station and micro-base station respectively to The data volume for the packet that user equipment is sent, more rapidly more reasonably distributes business streamed data, and then cause system transmission The performance of data is more flexible, improves the commonly used type of data transmission system.

As an alternative embodiment, receiving unit, is additionally operable to judge that micro-base station is to be sent according to judging unit The data volume of packet reaches that the PDCP layers of micro-base station configuration send the notice of the length of window of packet, receives micro-base station The transmission that rlc layer is sent is indicated.

Or the receiving unit determines that the data volume of micro-base station packet to be sent reaches macro base station according to judging unit The PDCP layers of configuration send the length of window of packet, receive the transmission instruction that the PDCP layers of user equipment are sent.

Transmitting element, the transmission for being additionally operable to be sent according to the rlc layer of micro-base station indicates to send micro-base station data to be sent Wrap to user equipment.Or, the transmission that the transmitting element is sent according to the PDCP layers of user equipment indicates to continue to send micro-base station Packet to be sent is to user equipment.

The embodiment of the present application 13 provides a kind of user equipment, and the user equipment includes receiving unit, grand for receiving The packet that base station is sent in the range of the length of window of the transmission packet of the PDCP layers of macro base station.

And, the receiving unit, the window for being additionally operable to reception micro-base station in the transmission packet of the PDCP layers of micro-base station is long The packet sent in the range of degree.

Wherein, receiving unit can be radio-frequency unit, to realize above-mentioned functions.

The user equipment that the present embodiment is provided, PDCP layer of the macro base station in the macro base station of configuration is received by receiving unit The packet sent in the range of the length of window for sending packet, and receive window of the micro-base station in the transmission packet of configuration The packet sent in length range, then cause the PDCP layers for the macro base station that user equipment configures according to defined in configuration information The length of window sum for sending the length of window of packet and the transmission packet of micro-base station is less than or equal to user equipment Reorder the length of window so that multiple communication sites such as macro base station and micro-base station provide data for a user equipment simultaneously and divided During stream service, length models of the SN of packet that control user equipment is received in the window that reorders of the PDCP layers of user equipment In enclosing.Avoid the data outside reorder window ranges from being abandoned and hinder the transmission rate and system of data transfer to handle industry The ability of business.By the mutual cooperation of macro base station and the allocation window of the PDCP of micro-base station layers, the perfect forwarding of packet and Shunt performance.

As an alternative embodiment, the user equipment also includes sequencing unit and transmitting element.

Transmitting element, for sending the SDU after sequence to the high level relative to PDCP layers.

In present embodiment, SDU is handled by sequencing unit so that before user equipment transmission SDU to high level, first pass through PDCP layers sequence processing, it is to avoid because SDU exist out of order possibility cause the data that receiving terminal is received due to be it is out of order not It can show or system normal process data can not be triggered.The quality and network that processing by sequence improves data transfer are led to The performance of letter.

Figure 15 is referred to, Figure 15 is a kind of structure chart for user equipment that the embodiment of the present application 14 is provided.Such as Figure 15 institutes Show, the user equipment that the present embodiment is provided includes：Receiving unit 150, dispensing unit 151, judging unit 152 and transmitting element 153。

Wherein, receiving unit 150, include the PDCP layers for instruction user equipment to grand for receive macro base station transmission Base station sends the length of window of packet, and including PDCP layers for instruction user equipment to micro-base station transmission packet The configuration information of length of window.

Dispensing unit 151, for sending packet to macro base station according to the PDCP layers of configuration information configuration user equipment Length of window, and the PDCP layers of user equipment are configured to the length of window of micro-base station transmission packet.

Judging unit 152, for judging that whether user equipment is sent to the data volume of the packet of macro base station in configuration User equipment PDCP layers to macro base station send packet length of window in the range of.

Transmitting element 153, for judging that user equipment is sent to the number of the packet of macro base station according to judging unit 152 According to notice of the amount in the range of the PDCP layers of the user equipment of configuration send the length of window of packet to macro base station, transmission is treated The packet of macro base station is sent to macro base station.And, judging unit 152 is additionally operable to judge that user equipment is sent to micro- base Whether the data volume for the packet stood sends the length of window of packet to micro-base station in the PDCP layers of the user equipment of configuration In the range of.

Transmitting element 153, is additionally operable to judge that user equipment is sent to the packet of micro-base station according to judging unit 152 Notice of the data volume in the range of the PDCP layers of the user equipment of configuration send the length of window of packet to micro-base station, sends The packet of micro-base station is sent to micro-base station.

Wherein, the dispensing unit can be a processor, and the judging unit can be another processor, above-mentioned reception list Member and transmitting element can be radio-frequency units.These processors or unit can realize by logical integrated circuit, according to Above-mentioned logical relation carries out circuit connection.

The user equipment that the present embodiment is provided, receives the configuration information that macro base station is sent, to pass through by receiving unit 150 The PDCP layers of the configuration user equipment of dispensing unit 151 send the length of window of packet, and configuration user equipment to macro base station PDCP layers to micro-base station send packet length of window so that user equipment is transferred data to many by transmitting element 153 During individual communication site, the length model of reorder windows of the SN no more than the PDCP layers of each communication site of the packet of transmission Enclose, it is to avoid the data outside each communication site's reorder window ranges abandoned and hinder the transmission rate of data transfer with The ability of system processing business.By the mutual cooperation of macro base station and the window that reorders of micro-base station, perfect turning for packet Hair and shunting performance.

As an alternative embodiment, receiving unit, is additionally operable to judge that user equipment is to be sent according to judging unit Data volume to the packet of macro base station reaches that the PDCP layers of macro base station send the notice of the length of window of packet, receives user The transmission that the rlc layer of equipment is sent is indicated.

Transmitting element, is additionally operable to indicate to send the packet for being sent to macro base station to macro base station according to transmission.

And receiving unit, it is additionally operable to judge that user equipment is sent to the number of the packet of micro-base station according to judging unit The PDCP layers for reaching micro-base station according to amount send the notice of the length of window of packet, receive the biography that the rlc layer of user equipment is sent It is defeated to indicate.

Transmitting element, is additionally operable to indicate to send the packet for being sent to micro-base station to micro-base station according to transmission.

Figure 16 is referred to, Figure 16 is a kind of structure chart for user equipment that the embodiment of the present application 15 is provided.Such as Figure 16 institutes Show, the user equipment that the present embodiment is provided includes：Receiving unit 160, dispensing unit 161 and transmitting element 162.

Wherein, receiving unit 160, the configuration information for receiving macro base station transmission.

Dispensing unit 161, the trigger condition of the state report for configuring PDCP layers according to configuration information.

In the case of transmitting element 162, the trigger condition for the state report that PDCP layers are met according to user equipment, hair PDCP layers of state report is sent to macro base station.

Wherein, above-mentioned dispensing unit can be a processor, and transmitting element and receiving unit can be radio-frequency units, this Processors or unit can be realized by logical integrated circuit a bit, in the present embodiment, can be according to above-mentioned logical relation Circuit connection is carried out to realize above-mentioned functions.

The user equipment that the present embodiment is provided, receives the configuration information that macro base station is sent, to pass through by receiving unit 160 The configuration of dispensing unit 161 sends the condition of PDCP layers of state report, and then allows macro base station to obtain user equipment full The state report of the PDCP layers sent in the case of the trigger condition of sufficient PDCP layers state report, then macro base station can be according to obtaining The state report for the PDCP layers got starts scheduling strategy Regulation mechanism so that the performance of system transmission data is more flexible, carries The commonly used type of data transmission system is risen.

As an alternative embodiment, configuration information includes the duration of the timer of user equipment；PDCP layers of shape The trigger condition of state report periodically sends PDCP layers of state report for user equipment according to the duration of timer.

As an alternative embodiment, configuration information includes the duration of the timer of user equipment and presetting for window Scope；The trigger condition of PDCP layers of state report is that user equipment confirms the sequence number SN of the packet received in window Outside preset range, and confirm that timer starts and timer expiry.

To sum up, the method and relevant device for the data transfer that the embodiment of the present application is provided, by macro base station according to including using The PDCP layers of macro base station are configured in the first configuration information of the length of window of the transmission packet for the PDCP layers for indicating macro base station The length of window of packet is sent, so that length of window model of the macro base station in the transmission packet of the PDCP layers of the macro base station of configuration User equipment is sent data in enclosing, the length of window for the transmission packet for including the PDCP layers for indicating micro-base station is sent Second configuration information is to micro-base station, so that micro-base station configures the transmission packet of the PDCP layers of micro-base station according to the second configuration information Length of window, and send data to user equipment in the range of the length of window of the transmission packet of configuration by micro-base station.Its In, the length of window and the transmission data of micro-base station of the transmission packet of the PDCP layers of the macro base station configured defined in configuration information The length of window sum of bag is less than or equal to the length of the window that reorders of user equipment so that macro base station and micro-base station etc. are more When carrying out the shunting of data in the case of switching state or carrier aggregation are between individual communication site, control user equipment connects The SN of the packet received is in the length range for reordering window of the PDCP layers of user equipment.Or control user equipment is passed When sending data to multiple communication sites, the length of reorder windows of the SN no more than the PDCP layers of each communication site of packet Scope, it is to avoid the data outside reorder window ranges are abandoned and hindered the transmission rate and system processing industry of data transfer The ability of business.By the mutual cooperation of macro base station and the window that reorders of micro-base station, the forwarding of perfect packet and divergence Energy.

, can be by it in several embodiments provided herein, it should be understood that disclosed apparatus and method Its mode is realized.For example, device embodiment described above is only schematical, for example, above-mentioned module or unit Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, such as multiple units or module Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or beg for The coupling each other of opinion or direct-coupling or communication connection can be by between some interfaces, device, module or units Coupling or communication connection or electricity are connect, mechanical or other forms are connected.

The above-mentioned module illustrated as separating component or unit can be or may not be it is physically separate, as The part that module or unit are shown can be or may not be physical module or unit, you can with positioned at a place, or Person can also be distributed on multiple mixed-media network modules mixed-medias or unit.Some or all of mould therein can be selected according to the actual needs Block or unit realize the purpose of the embodiment of the present application scheme.

In addition, each functional module or unit in the application each embodiment can be integrated in a processing module or list In member or modules or unit be individually physically present or two or more modules or unit it is integrated In a module or unit.Above-mentioned integrated module or unit can both be realized in the form of hardware, it would however also be possible to employ soft The form of part functional unit is realized.

If above-mentioned integrated module or unit are realized using in the form of software function module or unit and are used as independent production Product are sold or in use, can be stored in a computer read/write memory medium.Understood based on such, the skill of the application The part that art scheme substantially contributes to prior art in other words, or all or part of the technical scheme can be with software The form of product is embodied, and the computer software product is stored in a storage medium, including some instructions are to cause One computer equipment（Can be personal computer, server, or network equipment etc.）Each embodiment of execution the application is retouched State all or part of step of method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（ROM, Read- OnlyMemory）, random access memory（RAM, Random Access Memory）, magnetic disc or CD etc. are various to deposit Store up the medium of program code.

The embodiment of above description, only the application, but the protection domain of the application is not limited thereto, it is any Those familiar with the art can readily occur in various equivalent modifications or replace in the technical scope that the application is disclosed Change, these modifications or substitutions should all cover within the protection domain of the application.Therefore, the protection domain of the application should be with right It is required that protection domain be defined.

Claims

1. a kind of method of data transfer, it is characterised in that including：

Macro base station is according to the window for sending packet for including PDCP layers of the PDCP for indicating the macro base station First configuration information of mouth length configures the length of window of the transmission packet of the PDCP layers of the macro base station；

If it is determined that transmission packet of the data volume of macro base station packet to be sent in the PDCP layers of the macro base station Length of window in the range of, then send macro base station packet to be sent to user equipment；

And, send include be used for indicate micro-base station PDCP layers send packet length of window the second configuration information to The micro-base station, so that the micro-base station configures the transmission data of the PDCP layers of the micro-base station according to second configuration information The length of window of bag, and determine the data volume of micro-base station packet to be sent in the micro-base station by the micro-base station In the range of the length of window of PDCP layers of transmission packet, then send micro-base station packet to be sent and set to the user It is standby；

Wherein, the length of the window of the transmission packet of the PDCP layers of the macro base station and the transmission of the PDCP layers of the micro-base station The length sum of the window of packet is less than or equal to the length of the window that reorders of the PDCP layers of the user equipment.

2. the method for data transfer as claimed in claim 1, it is characterised in that the transmission includes being used to indicate micro-base station PDCP layers transmission packet window length the second configuration information to before micro-base station, afterwards or when, methods described Also include：

The configuration information for including being used to indicate that micro-base station sends data pack buffer state report to the macro base station is sent, so that institute State micro-base station and configure the parameter that the data pack buffer state report is sent to the macro base station；

Receive the configuration that the micro-base station sends data pack buffer state report according to the instruction micro-base station to the macro base station The data pack buffer state report that information is sent.

3. the method for data transfer as claimed in claim 1 or 2, it is characterised in that methods described also includes：

If it is determined that the data volume of macro base station packet to be sent reaches that the PDCP layers of the macro base station send packet Length of window, then receive the macro base station wireless spread-spectrum technology rlc layer send transmission indicate after, send it is described grand Base station packet to be sent is to the user equipment.

4. the method for data transfer as claimed in claim 3, it is characterised in that methods described also includes：

The SDU after sequence is sent to gateway.

5. the method for data transfer as claimed in claim 1, it is characterised in that the transmission data of the PDCP layers of the macro base station The length ratio of the window of the transmission packet of the length of window of bag and the PDCP layers of micro-base station be equal to the macro base station with it is described The service distributing ratio of micro-base station.

6. a kind of method of data transfer, it is characterised in that methods described includes：

Send include for instruction user equipment PDCP layers to macro base station transmission packet length of window, and including for Indicate that the PDCP layers of the user equipment send the configuration information of the length of window of packet to micro-base station to the user equipment, So that the user equipment sends data according to the PDCP layers of the configuration information configuration user equipment to the macro base station The length of window of bag, and the configuration user equipment length of window from PDCP layers to micro-base station transmission packet, with The user equipment is set to send the length of window of packet to the macro base station in the PDCP layers of the user equipment of configuration In the range of send packet to the macro base station, and from user equipment the user equipment of configuration PDCP layers to described Micro-base station sends packet to the micro-base station in the range of sending the length of window of packet；

Receive the scope that user equipment sends the length of window of packet in the PDCP layers of the user equipment to the macro base station The packet of interior transmission；

Wherein, the PDCP layers of the user equipment send the length of window and the user equipment of packet to the macro base station The PDCP layers of length of window sum for sending packet to the micro-base station are less than or equal to the weight of the PDCP layers of the macro base station The length of re-ordering window.

7. the method for data transfer as claimed in claim 6, it is characterised in that methods described also includes：

The SDU after sequence is sent to gateway.

8. the method for data transfer as claimed in claim 7, it is characterised in that the PDCP layers of the user equipment are to described grand Base station sends the length of window and the PDCP layers of the user equipment of packet to the window of micro-base station transmission packet Length ratio be equal to the user equipment to the macro base station and the micro-base station transmission service distributing ratio.

9. a kind of method of data transfer, it is characterised in that including：

Micro-base station receives the length of window for the transmission packet for including the PDCP layers for indicating micro-base station that macro base station is sent Configuration information；

If it is determined that transmission data of the data volume of micro-base station packet to be sent in the PDCP layers of the micro-base station of configuration In the range of the length of window of bag, then micro-base station packet to be sent is sent to user equipment；Wherein, the macro base station The length of window of PDCP layers of transmission packet and the length of window sum of the transmission packet of the PDCP layers of the micro-base station are small In or equal to the user equipment PDCP layers the window that reorders length.

10. the method for data transfer as claimed in claim 9, it is characterised in that receive macro base station in the micro-base station and send Include be used for indicate micro-base station PDCP layers send packet length of window configuration information before, when or it Afterwards, methods described also includes：

Micro-base station receives the configuration for including being used to indicate that the micro-base station sends data pack buffer state report to the macro base station Information；

According to described including for indicating the micro-base station matching somebody with somebody to the macro base station transmission data pack buffer state report Put the parameter that information configuration sends the data pack buffer state report to the macro base station；

The data pack buffer state report is sent to the macro base station according to the parameter of the data pack buffer state report.

11. the method for the data transfer as described in claim 9 or 10, it is characterised in that methods described also includes：

If it is determined that the data volume of micro-base station packet to be sent reaches the PDCP layers of hair of the micro-base station configuration The length of window of packet is sent, after the transmission instruction for the rlc layer transmission for receiving the micro-base station, the micro-base station is sent to be sent Packet to the user equipment.

12. the method for data transfer as claimed in claim 9, it is characterised in that the transmission number of the PDCP layers of the macro base station It is equal to the grand base according to the length and the length ratio of the window of the transmission packet of the PDCP layers of the micro-base station of the window of bag The service distributing ratio stood with the micro-base station.

13. a kind of method of data transfer, it is characterised in that including：

Receive the packet that macro base station is sent in the range of the length of window of the transmission packet of the PDCP layers of the macro base station；With And,

Receive micro-base station and the data sent in the range of the length of window of packet are sent in the PDCP layers of the micro-base station of configuration Bag；

Wherein, the transmission data of the PDCP layers of the length of the window of the transmission packet of the PDCP layers of the macro base station and micro-base station The length sum of the window of bag is less than or equal to the length of the window that reorders of the PDCP layers of user equipment.

14. the method for data transfer as claimed in claim 13, it is characterised in that methods described also includes：

The SDU obtained after sequence is ranked up to PDCP layers of SDU；

The SDU after sequence is sent to relative to described PDCP layers high level.

15. a kind of method of data transfer, it is characterised in that methods described includes：

Receive the window for sending packet to the macro base station including the PDCP layers for instruction user equipment that macro base station is sent Length, and including for indicating that what the PDCP layers of the user equipment sent the length of window of packet to micro-base station matches somebody with somebody confidence Breath；

The PDCP layers for configuring the user equipment according to the configuration information send the length of window of packet to the macro base station, And the PDCP layers of the configuration user equipment send the length of window of packet to the micro-base station；

Determine that the user equipment is sent to the user equipment of the data volume of the packet of the macro base station in configuration In the range of the PDCP layers of length of window to macro base station transmission packet, then the data for being sent to the macro base station are sent Wrap to the macro base station；And,

Determine that the user equipment is sent to the user equipment of the data volume of the packet of the micro-base station in configuration In the range of the PDCP layers of length of window to micro-base station transmission packet, then the data for being sent to the micro-base station are sent Wrap to the micro-base station；

16. the method for data transfer as claimed in claim 15, it is characterised in that also include：

If it is determined that the data volume that the user equipment is sent to the packet of the macro base station reaches the macro base station The length of window of PDCP layers of transmission packet, then after the transmission that the rlc layer for receiving the user equipment is sent is indicated, send The packet for being sent to macro base station is to the macro base station；

And, if it is determined that the data volume that the user equipment is sent to the packet of the micro-base station reaches the micro-base station PDCP layers send packet length of window, then receive the user equipment rlc layer send transmission indicate after, hair Send and be sent to the packet of the micro-base station to the micro-base station.

17. a kind of base station, it is characterised in that including：

Dispensing unit, first for the length of window according to the transmission packet for including the PDCP layers for indicating macro base station matches somebody with somebody Put the length of window of the transmission packet of the PDCP layers of macro base station described in information configuration；

Judging unit, for judge macro base station packet to be sent data volume whether configuration the macro base station In the range of the length of window of PDCP layers of transmission packet；

Transmitting element, for being judged the data volume of macro base station packet to be sent in configuration according to the judging unit Notice in the range of the length of window of the transmission packet of the PDCP layers of the macro base station, sends macro base station number to be sent According to bag to user equipment；

The transmitting element, is additionally operable to send the length of window for the transmission packet for including the PDCP layers for indicating micro-base station Second configuration information is to micro-base station, so that the micro-base station configures the PDCP layers of the micro-base station according to second configuration information Transmission packet length of window, and determine the data volume of micro-base station packet to be sent in configuration by the micro-base station In the range of the length of window for sending packet, then micro-base station packet to be sent is sent to the user equipment；

Wherein, the transmission data of the PDCP layers of the length of the window of the transmission packet of the PDCP layers of the macro base station and micro-base station The length sum of the window of bag is less than or equal to the length of the window that reorders of the PDCP layers of the user equipment.

18. base station as claimed in claim 17, it is characterised in that also including receiving unit；

Wherein, the transmitting element, being additionally operable to send includes being used to indicate that the micro-base station sends packet to the macro base station The configuration information of buffer status report, so that the micro-base station, which is configured to the macro base station, sends the data pack buffer state report The data pack buffer state report is sent after the parameter of announcement to the macro base station；

The receiving unit, delays for receiving the micro-base station according to the instruction micro-base station to macro base station transmission packet Deposit the data pack buffer state report that the configuration information of state report is sent.

19. base station as claimed in claim 18, it is characterised in that the receiving unit, is additionally operable to according to the judging unit Judge that the data volume of macro base station packet to be sent reaches the PDCP layers of transmission packet of the macro base station configuration Length of window notice, receive the transmission that the wireless spread-spectrum technology rlc layer of the macro base station sends and indicate；

The transmitting element, is additionally operable to the wireless spread-spectrum technology rlc layer of the macro base station received according to the receiving unit After the transmission of transmission is indicated, macro base station packet to be sent is sent to the user equipment.

20. base station as claimed in claim 19, it is characterised in that the base station also includes sequencing unit；

The sequencing unit, the SDU obtained after sequence is ranked up for the service data unit SDU to PDCP layers；

21. base station as claimed in claim 17, it is characterised in that the window of the transmission packet of the PDCP layers of the macro base station It is equal to the macro base station and the micro-base station with the length ratio of the window of the transmission packet of the PDCP layers of the micro-base station Service distributing ratio.

22. a kind of base station, it is characterised in that including：

Transmitting element, the window that PDCP layers to macro base station transmission packet for instruction user equipment are included for sending is long Degree, and including for indicating that the PDCP layers of the user equipment send the configuration information of the length of window of packet to micro-base station To the user equipment, so that the user equipment configures the PDCP layers of the user equipment to described according to the configuration information Macro base station sends the length of window of packet, and the PDCP layers of the configuration user equipment send packet to the micro-base station Length of window so that the user equipment the user equipment of configuration PDCP layers to the macro base station send packet Length of window in the range of send packet to the macro base station, and by user equipment configuration the user equipment Packet is sent in the range of the PDCP layers of length of window to micro-base station transmission packet to the micro-base station；

Receiving unit, for receive the user equipment the user equipment PDCP layers to the macro base station send packet Length of window in the range of the packet that sends；

23. base station as claimed in claim 22, it is characterised in that the base station also includes：

24. base station as claimed in claim 22, it is characterised in that the PDCP layers of the user equipment are sent to the macro base station The PDCP layers of the length of the window of packet and the user equipment send the length ratio of the window of packet to the micro-base station Example is equal to the service distributing ratio that the user equipment is sent to the macro base station and the micro-base station.

25. a kind of micro-base station, it is characterised in that including：

Receiving unit, for receiving the transmission packet for including the PDCP layers for indicating the micro-base station that macro base station is sent The configuration information of length of window；

Dispensing unit, the window of the transmission packet of the PDCP layers for configuring the micro-base station according to the configuration information is long Degree；

Judging unit, for judge micro-base station packet to be sent data volume whether the micro-base station PDCP layers Transmission packet length of window in the range of；

Transmitting element, for being judged the data volume of micro-base station packet to be sent in configuration according to the judging unit Notice in the range of the length of window of the transmission packet of the PDCP layers of the micro-base station, sends micro-base station number to be sent According to bag to user equipment；

Wherein, the length of window and the transmission number of the PDCP layers of the micro-base station of the transmission packet of the PDCP layers of the macro base station It is less than or equal to the length of the window that reorders of the PDCP layers of the user equipment according to the length of window sum of bag.

26. micro-base station as claimed in claim 25, it is characterised in that

The receiving unit, being additionally operable to receive includes being used to indicate that the micro-base station sends data pack buffer shape to the macro base station The configuration information of state report；

The dispensing unit, is additionally operable to include being used to indicate that the micro-base station sends the data to the macro base station according to described The configuration information of bag buffer status report configures the parameter that the data pack buffer state report is sent to the macro base station；

The transmitting element, is additionally operable to send the data pack buffer state according to the parameter of the data pack buffer state report Report to the macro base station.

27. the micro-base station as described in claim 25 or 26, it is characterised in that the receiving unit, is additionally operable to sentence according to The data volume of the packet to be sent of micro-base station described in disconnected unit judges reaches the PDCP layers of transmission of the micro-base station configuration The notice of the length of window of packet, receives the transmission instruction that the rlc layer of the micro-base station is sent；

The transmitting element, is additionally operable to indicate to send micro-base station packet to be sent to the user according to the transmission Equipment.

28. micro-base station as claimed in claim 25, it is characterised in that the window of the transmission packet of the PDCP layers of the macro base station Mouthful length and the PDCP layers of the micro-base station the window for sending packet length ratio equal to the macro base station with it is described The service distributing ratio of micro-base station.

29. a kind of user equipment, it is characterised in that including：

Receiving unit, sends out for receiving macro base station in the range of the length of window of the transmission packet of the PDCP layers of the macro base station The packet sent；And,

The receiving unit, is additionally operable to receive length of window model of the micro-base station in the transmission packet of the PDCP layers of the micro-base station Enclose the packet of interior transmission；

30. user equipment as claimed in claim 29, it is characterised in that also include：

31. a kind of user equipment, it is characterised in that including：

Receiving unit, for receive macro base station transmission include be used to indicate the PDCP layers of the user equipment to the macro base station The length of window of packet is sent, and including for indicating the PDCP layers of the user equipment to micro-base station transmission packet The configuration information of length of window；

Dispensing unit, for sending data to the macro base station according to the PDCP layers of the configuration information configuration user equipment The length of window of bag, and the PDCP layers of the user equipment are configured to the length of window of micro-base station transmission packet；

Judging unit, for judging that whether the user equipment is sent to the data volume of the packet of the macro base station in configuration The user equipment PDCP layers to the macro base station send packet length of window in the range of；

Transmitting element, for judging that the user equipment is sent to the packet of the macro base station according to the judging unit Data volume is sent in the PDCP layers of the user equipment of configuration to the macro base station in the range of the length of window of packet Notify, send the packet for being sent to the macro base station to the macro base station；And,

The judging unit, be additionally operable to judge the packet that the user equipment is sent to the micro-base station data volume whether Configuration the user equipment PDCP layers to the micro-base station send packet length of window in the range of；

The transmitting element, is additionally operable to judge that the user equipment is sent to the number of the micro-base station according to the judging unit Send the model of the length of window of packet to the micro-base station in the PDCP layers of the user equipment of configuration according to the data volume of bag Interior notice is enclosed, the packet for being sent to the micro-base station is sent to the micro-base station；

32. user equipment as claimed in claim 31, it is characterised in that the receiving unit, is additionally operable to be judged according to described The data volume that user equipment described in unit judges is sent to the packet of the macro base station reaches the PDCP layers of the macro base station The notice of the length of window of packet is sent, the transmission instruction that the rlc layer of the user equipment is sent is received；

The transmitting element, is additionally operable to be sent to the packet of macro base station according to the transmission indicates to send to described grand Base station；And,

The receiving unit, is additionally operable to judge that the user equipment is sent to the number of the micro-base station according to the judging unit The PDCP layers for reaching the micro-base station according to the data volume of bag send the notice of the length of window of packet, receive the user equipment Rlc layer send transmission indicate；

The transmitting element, is additionally operable to indicate to send according to the transmission and is sent to the packet of the micro-base station to described micro- Base station.