CN108337633A

CN108337633A - Data distribution configuration method, base station system and user terminal

Info

Publication number: CN108337633A
Application number: CN201810254570.1A
Authority: CN
Inventors: 黄曲芳; 曾清海
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-04-20
Filing date: 2012-12-05
Publication date: 2018-07-27
Anticipated expiration: 2032-12-05
Also published as: CN104247547B; CN104247547A; CN108337633B

Abstract

The embodiment of the invention discloses a kind of data distribution configuration method, base station system and user terminals, are related to the communications field, can realize dynamic shunt.The data distribution configuration method of the embodiment of the present invention, including：Master base station sends first message to prothetic group station, so that the prothetic group station determines RB to be shunted and configures parameter for the RB settings to be shunted；The second message from prothetic group station is received, the second message includes the configuration parameter of the RB to be shunted；Third message is sent to user terminal UE, second packet data convergence protocol PDCP entities and the second wireless spread-spectrum technology RLC entities is established so that the UE is the RB to be shunted and carries out data distribution configuration.

Description

Data distribution configuration method, base station system and user terminal

This application claims being submitted on October 14th, 2014, Patent Office of the People's Republic of China, application No. is 201280072392.1, inventions The divisional application of the Chinese patent application of entitled " data distribution configuration method, base station system and user terminal ", in whole Appearance is hereby incorporated by reference in the application.

Technical field

The present invention relates to a kind of communications field more particularly to data distribution configuration method, base station system and user terminals.

Background technology

With the development of mobile communication system, the transmission rate and service quality that communication system is capable of providing are higher and higher, Also to transmission rate, more stringent requirements are proposed by user.In order in the case where configured bandwidth is not significantly increased, ensure most use The rate at family, while providing higher handling capacity, third generation partner program (The 3rd for a part of user Generation Partnership Project, abbreviation 3GPP) introduce carrier wave polymerization (Carrier Aggregation, letter Claim CA) technology.Carrier wave polymerization refers to user equipment (User Equipment, abbreviation UE) can use multiple member carriers simultaneously (Component Carrier, abbreviation CC) carries out uplink and downlink communication, to support high speed data transfer.When user rate reduces When, some member carriers can be discharged, a resident carrier wave is only retained, the transfer resource released can make for other users With to reach flexible, dynamic purpose.

According to the base station location where the carrier wave of polymerization, long term evolution (Long Term Evolution, abbreviation LTE) system The carrier wave polymerization of system can substantially be divided into cell aggregation etc. between inside of base station cell aggregation, base station.The cell aggregation between base station Under scene, data can be via multiple cell transmissions.According to the mechanism of data distribution, data distribution can be divided into two classes：It is a kind of It is the data distribution based on radio bearer (Radio Bearer, abbreviation RB), one kind is the data distribution based on data packet.

Data distribution based on RB refers to by service distributing, when UE has multiple business simultaneously, by the data of certain business It is transmitted by a base station, the data of other business are transmitted by another base station, and this data distribution mode once configures Good, data are transmitted via which base station, and unique foundation is the RB belonging to the data packet, cannot be adjusted according to situation dynamic of eating dishes without rice or wine It is whole, so dynamic is not fine.

Data distribution based on data packet is transmitted via which base station according to situation determination data of eating dishes without rice or wine in real time , it is transmitted in this way, communicating pair can select a suitable base station according to the quality and the degree of crowding eated dishes without rice or wine.This In data distribution, each data packet of downlink is transmitted by which base station, by gateway (Service Gateway, abbreviation SGW it) determines, the data packet of uplink is transmitted by which base station, consulted to decide by two base stations, then notified by traffic order UE.Upstream data is transmitted through different base stations, finally all converges to SGW.Since data distribution is determined by SGW, if eating dishes without rice or wine item Part changes, it is desirable to when change data distributing strategy, then need the configuration for changing the protocol stack of SGW, therefore be related to network The dynamic of the behavior change of side, data distribution is poor, influences the use of user.

Invention content

A kind of data distribution configuration method of many aspects offer, base station system and the user terminal of the application, realizes dynamic Shunting.

The one side of the application provides a kind of data distribution configuration method, including：

Master base station sends first message to prothetic group station, and the first message is used to carry out data point to the auxiliary base station requests Stream, the first message includes the mark of radio bearer RB and the operation quality requirement Qos parameters of the RB, so that described auxiliary Base station determines RB to be shunted and configures parameter for the RB settings to be shunted；

The master base station receives the second message from prothetic group station, and the second message includes matching for the RB to be shunted Set parameter；

The master base station sends third message to user terminal UE, and the third message includes the mark of the RB to be shunted The configuration parameter with the RB to be shunted is known, so that the UE, which is the RB to be shunted, establishes the 2nd PDCP entities and the 2nd RLC Entity simultaneously carries out data distribution configuration；

Wherein, the UE has the first PDCP entities, the first RLC entities and MAC entity, the 2nd PDCP entities and the Two RLC are physically located between the first RLC entities and the MAC entity.

The another aspect of the application provides a kind of downlink data transmission method, to carry out data distribution, including：

The PDCP entities of master base station receive the data from gateway SGW, and handle the data, form the One data, wherein the type of the data distribution is that part shunts, part shunting refer to a RB data portion via Prothetic group station is transmitted, and is partly transmitted via master base station；

The RLC entities of the master base station add the first RLC serial numbers to first data, form the second data, and by institute State the PDCP entities that data to be shunted in the second data are sent to prothetic group station；

The data to be shunted are sent to the RLC entities at the prothetic group station by the PDCP entities at the prothetic group station；

The prothetic group station handles the data to be shunted, and treated that data to be shunted are sent to UE by described.

The application's in another aspect, provides a kind of downlink data transmission method, to carry out data distribution, including：

The PDCP entities of master base station receive the data from gateway SGW, and handle the data, form the One data, wherein the type of the data distribution be completely shunting, it is described it is complete shunting refer to a RB data all via It transmits at prothetic group station；

The RLC entities of the master base station receive first data, and first data are sent to prothetic group station PDCP entities；

The PDCP entities at the prothetic group station receive first data from master base station, and first data are sent To the RLC entities at the prothetic group station；

The prothetic group station handles first data, and first data are sent to UE by treated.

The application's in another aspect, provides a kind of uplink data transmission method, including：

UE reports BSR to master base station and/or prothetic group station, so that the master base station and/or prothetic group station are in the UE distribution Row transfer resource；

The first PDCP entities of the UE handle the data of reception, form the first data；

First data are carried out segmentation cascade by the first RLC entities of the UE, add the first RLC serial numbers, form the Two data, and sent out data to be shunted in second data according to the uplink transmission resource of the prothetic group station distribution received It send to the 2nd PDCP entities；

The streamed data is sent to the 2nd RLC entities of UE by the 2nd PDCP entities of the UE；

The data to be shunted received are added the 2nd RLC serial numbers by the 2nd RLC entities of the UE, form third number According to；

By treated, third data are sent to the prothetic group station to the UE.

The first RLC entities of the UE add the first RLC serial numbers to first data, form the second data, and by institute State the 2nd PDCP entities that data to be shunted in the second data are sent to UE；

The data to be shunted are sent to the 2nd RLC entities of UE by the 2nd PDCP entities of the UE；

The 2nd RLC entities of the UE will be received according to the uplink transmission resource of the prothetic group station distribution received After the streamed data segmentation cascade, the 2nd RLC serial numbers are added, third data are formed；

By treated, the third data are sent to the prothetic group station to the UE.

The application's in another aspect, provides a kind of base station, including：

Transmitter is used for：

First message is sent to prothetic group station, the first message is used to carry out data distribution, institute to the auxiliary base station requests It includes the mark of radio bearer RB and the operation quality requirement Qos parameters of the RB to state first message, so that the prothetic group station It determines RB to be shunted and configures parameter for the RB settings to be shunted；With

Third message is sent to user terminal UE, the third message includes the mark of the RB to be shunted and described waits for The configuration parameter of RB is shunted, the 2nd PDCP entities and the 2nd RLC entities is established so that the UE is the RB to be shunted and carries out Data distribution configures；

Receiver, for receiving the second message from the prothetic group station, the second message includes described to be shunted The configuration parameter of RB；

The application's in another aspect, provides a kind of base station system, including master base station and prothetic group station, the master base station include PDCP entities and RLC entities, the prothetic group station include PDCP entities and RLC entities,

The PDCP entities of the master base station for receiving the data from gateway SGW, and to the data at Reason forms the first data, wherein the transmission method of the data is that part shunts；

The RLC entities of the master base station are used to add the first RLC serial numbers to first data, form the second data, and Data to be shunted in second data are sent to the PDCP entities at the prothetic group station；

The PDCP entities at the prothetic group station are used to the data to be shunted being sent to the RLC entities at the prothetic group station；

For handling the data to be shunted, and by described, treated that data to be shunted are sent to UE at the prothetic group station.

The PDCP entities of the master base station for receiving the data from gateway SGW, and to the data at Reason forms the first data, wherein the transmission method of the data is shunting completely；

First data are sent to prothetic group station by the RLC entities of the master base station for receiving first data PDCP entities；

The PDCP entities at the prothetic group station are for receiving first data from the master base station, and by described first Data are sent to the RLC entities at prothetic group station；

The prothetic group station handles first data, and treated that the first data are sent to UE by described.

The application's in another aspect, provides a kind of user terminal, including the first PDCP entities, the first RLC entities, MAC real Body and physical layer further include：BSR reporting units, the 2nd PDCP entities and the 2nd RLC entities, the 2nd PDCP entities and Two RLC are physically located between the first RLC entities of the UE and MAC,

The BSR reporting units, for reporting BSR to master base station and/or prothetic group station, so that the master base station and/or auxiliary Base station is that the UE distributes uplink transmission resource；

The first PDCP entities, are handled for the data to reception, form the first data；

The first RLC entities add the first RLC serial numbers for first data to be carried out segmentation cascade, form the Two data, and sent out data to be shunted in second data according to the uplink transmission resource of the prothetic group station distribution received It send to the 2nd PDCP entities；

The 2nd PDCP entities, the 2nd RLC entities for the streamed data to be sent to the UE；

The 2nd RLC entities form third for the data to be shunted received to be added the 2nd RLC serial numbers Data, and the third data are sent to the MAC entity of the UE；

The physical layer of the UE, for third data to be sent to the prothetic group station by treated.

The first RLC entities form the second data, and by institute for giving first data to add the first RLC serial numbers State the 2nd PDCP entities that data to be shunted in the second data are sent to the UE；

The 2nd PDCP entities, the 2nd RLC entities for the data to be shunted to be sent to the UE；

The 2nd RLC entities, for that will be received according to the uplink transmission resource of the prothetic group station distribution received The streamed data segmentation cascade after, add the 2nd RLC serial numbers, formed third data, the third data are sent to institute State the MAC entity of UE；

The physical layer of the UE is for by treated, third data to be sent to the prothetic group station.

Data distribution configuration method data distribution configuration method, base station system and user terminal described above, to bottom The situation reacting condition of eating dishes without rice or wine measured is very fast, and the effect of dynamic shunt is preferable.

Description of the drawings

Fig. 1 is the flow diagram of the data distribution configuration method in the embodiment of the present invention；

Fig. 2 is the Signalling exchange schematic diagram of data distribution configuration method in the embodiment of the present invention；

Fig. 3 is protocol stack structure schematic diagram in the embodiment of the present invention；

Fig. 4 is that data distribution configures cross-reference schematic diagram in the embodiment of the present invention；

Fig. 5 is the flow diagram of downlink data transmission method in the embodiment of the present invention；

Fig. 6 is one of downlink data transmission process schematic in the embodiment of the present invention；

Fig. 7 is two of downlink data transmission process schematic in the embodiment of the present invention；

Fig. 8 is two of the flow diagram of downlink data transmission method in the embodiment of the present invention；

Fig. 9 is one of the flow diagram of uplink data transmission method in the embodiment of the present invention；

Figure 10 is transmitting uplink data process schematic in the embodiment of the present invention；

The schematic diagram that Figure 11 is UE during transmitting uplink data in the embodiment of the present invention；

Figure 12 is two of the flow diagram of uplink data transmission method in the embodiment of the present invention；

Figure 13 is the structural schematic diagram of base station in the embodiment of the present invention；

Figure 14 is the structural schematic diagram of base station system in the embodiment of the present invention；

Figure 15 is the structural schematic diagram of user terminal in the embodiment of the present invention.

Specific implementation mode

A kind of data distribution configuration method of offer of the embodiment of the present invention, base station system and user terminal, to eating dishes without rice or wine, situation becomes It is very fast to change reaction, the effect of dynamic shunt is good.

In being described below, for illustration and not for limitation, it is proposed that such as specific system structure, interface, technology it The detail of class understands the present invention to cut thoroughly.However, it will be clear to one skilled in the art that there is no these specific The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known device, circuit and The detailed description of method, in case unnecessary details interferes description of the invention.

Various technologies described herein can be used for various wireless communication systems, such as current 2G, and 3G communication systems are under Generation communication system, such as global system for mobile communications (Global System for Mobile communications, letter Claim GSM), CDMA (Code Division Multiple Access, abbreviation CDMA) system, time division multiple acess (Time Division Multiple Access, abbreviation TDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access Wireless, abbreviation WCDMA), frequency division multiple access (Frequency Division Multiple Addressing, abbreviation FDMA) system, orthogonal frequency division multiple access (Orthogonal Frequency-Division Multiple Access, abbreviation OFDMA) system, Single Carrier Frequency Division Multiple Access (SC-FDMA) system, General Packet Radio Service (General Packet Radio Service, abbreviation GPRS) system, long term evolution (Long Term Evolution, abbreviation LTE) system, Yi Jiqi His such communication system.

Various aspects are described herein in connection with terminal and/or base station and/or base station controller.

It can also be catv terminal that user terminal, which can be wireless terminal, and wireless terminal can refer to providing a user language The equipment of sound and/or data connectivity has the portable equipment of wireless connecting function or is connected to radio modem Other processing equipments.Wireless terminal can be through wireless access network (Radio Access Network, abbreviation RAN) and one or more A core net is communicated, and wireless terminal can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with shifting The computer of dynamic terminal, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted mobile dress It sets, they exchange language and/or data with wireless access network.For example, personal communication service (Personal Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol (SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) it stands, the equipment such as personal digital assistant (Personal Digital Assistant, abbreviation PDA). Wireless terminal is referred to as system, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), Movement station (Mobile Station), mobile station (Mobile), distant station (Remote Station), access point (Access Point), remote terminal (Remote Terminal), access terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), user equipment (User Device) or user equipment (User Equipment)。

Base station (for example, access point) can be refer to the accession in net in the air on interface by one or more sectors with it is wireless The equipment of terminal communication.The air frame that base station can be used for receive and IP grouping are mutually converted, as wireless terminal with connect Router between the rest part of networking, wherein the rest part for accessing net may include Internet protocol (IP) network.Base station is also Attribute management of the tunable to air interface.For example, base station can be base station (the Base Transceiver in GSM or CDMA Station, abbreviation BTS), it can also be the base station (NodeB) in WCDMA, can also be the evolved base station (NodeB in LTE Or eNB or e-NodeB, evolutional Node B), the present invention does not limit.

Base station controller can be base station controller (BSC, the base station in GSM or CDMA Controller), it can also be in WCDMA radio network controller (RNC, Radio Network Controller), this Invention does not limit.

In addition, the terms " system " and " network " are often used interchangeably herein.The terms " and/ Or ", only a kind of incidence relation of description affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, it can be with table Show：Individualism A exists simultaneously A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent front and back Affiliated partner is a kind of relationship of "or".

In the present embodiment, the data portion for partly splitting into a RB is transmitted via prothetic group station, is partly passed via master base station It is defeated；The data for splitting into a RB completely are all transmitted via prothetic group station.

The present embodiment provides a kind of data distribution configuration methods, and as depicted in figs. 1 and 2, this method includes：

101, master base station sends first message to prothetic group station, and the first message is used for the auxiliary base station requests into line number According to shunting, the first message includes the mark of radio bearer RB and the operation quality requirement Qos parameters of the RB, so that institute Prothetic group station is stated to determine RB to be shunted and configure parameter for the RB settings to be shunted.

In the present embodiment, master base station (Primary evolved NodeB, abbreviation P-eNB) refers to the serving BS of UE, auxiliary Base station (Secondary evolved NodeB, abbreviation S-eNB) refers to participating in the carrier wave polymerization of the UE, and carry out data distribution Base station.In the framework of the present embodiment, the sides RAN are connect by master base station with SGW.

Before carrying out data distribution, the flow of log-on data shunting configuration is first had to.Master base station is determining to proceed by After data distribution, first message is sent to prothetic group station by X2 interface, exemplary, which can be that data distribution is asked Seek message, first message include each RB identify corresponding with each RB operation quality requirement (Quality of Service, Abbreviation Qos) parameter.In the present embodiment, each RB marks Qos parameters corresponding with each RB can be by shunting RB comprising band Tabular form present, can also be presented by array form.Qos parameters may include any one following or its arbitrary group It closes：Whether the priority of RB can be preempted, uplink maximum bit rate, uplink guarantee bit rate, downlink maximal bit speed Rate, descending guarantee bit rate, maximum allowable time delay etc..Prothetic group station is after receiving the data distribution request message, according to this RB lists are each RB setting configuration parameters to be shunted, wherein configuration parameter may include that following any one or its are arbitrary Combination：Packet Data Convergence Protocol (Packet Data Convergence Protocol, abbreviation PDCP) entity, Radio Link Control (Radio Link Control, abbreviation RLC) entity, medium access control (Medium Access Control, abbreviation MAC) entity and the relevant parameter of physical layer (Physical layer, abbreviation Phy).

Optionally, prothetic group station will also judge which is allowed after receiving first message according to the load condition of itself RB is accessed, and is needed for which RB setting configuration parameter, after determining RB to be shunted, according to the RB according to Qos with determining Parameter is that each RB to be shunted establishes PDCP entities and RLC entities, and configuration parameter is arranged.Such as：Master base station has sent out one Prothetic group station is given in RB lists, including tri- RB of A/B/C, request prothetic group station carries out shunting processing, and prothetic group station is by connecing control algolithm Afterwards, it is believed that oneself can only undertake two RB of A/B, just echo and answer to master base station：Two RB of A/B can only be shunted.

PDCP is a wireless transmission protocol stack in UMTS or LTE, it is generally responsible for IP compressions and decompression, number According to packet encrypting and decrypting, transmission user data and safeguard the radio bearer being arranged for lossless any wireless network services subsystem (SRNS) Sequence number.If PDCP is configured to " not compressing, do not do encrypting and decrypting ", then PDCP entities will do data packet at transparent place Reason, that is, be not processed.RLC is physically located on MAC entity, and predominantly user data provides segmentation cascade and retransmits business.

In addition, can also include in first message：Flow dividing type identifies, and is used to indicate the data distribution and is transmitted as dividing completely Stream or part shunt.Prothetic group station for each RB when being arranged configuration parameter, by the configuration parameter it can be seen that on some RB Data be that complete shunting or part shunt.

102, the master base station receives the second message from prothetic group station, and the second message includes the RB to be shunted Configuration parameter.

It completes to be that after each RB settings to be shunted configure parameter, second message, example are sent to master base station in prothetic group station Property, which can be data distribution response message, wherein data distribution response message includes each of to be shunted The configuration parameter of RB.Master base station receives the data distribution response message.

In above-mentioned flow, detailed description are as follows for the configuration parameter of prothetic group station setting：

The parameter of PDCP entities may include：The discardTimer length that prothetic group station uses.

The parameter of RLC entities, which may include that following any one or its are arbitrary, to be combined：

The RLC patterns of-RB：AM or UM；

The RLC SN length that-RB is used；

The RLC that-RB recipients use reorders timer length；

The RLC state reports that-RB recipients use forbid timer length；

The RLC maximum retransmissions that-RB senders use；

The data packet number for the Poll triggerings that-RB senders use；

The number data bytes for the Poll triggerings that-RB senders use；

The Poll retransmission timer length that-RB senders use.

The parameter of MAC entity, which may include that following any one or its are arbitrary, to be combined：

Participate in each priority of logical channels of shunting；

Participate in the logic channel group where each logic channel of shunting；

Maximum HARQ number of retransmissions of each RB at prothetic group station；

Periods of-the UE to prothetic group station sending cycle buffer status reporting (Buffer Status Report, abbreviation BSR) Length；

- UE sends the length of the retransmission timer of BSR to prothetic group station；

The DRX parameters that-UE is used in auxiliary base station cell；

The TAT timer lengths that-UE is used in auxiliary base station cell；

The periodical PHR timer lengths that-UE is used in auxiliary base station cell；

The PHR that-UE is used in auxiliary base station cell forbids timer length；

The path loss that the PHR that-UE is used in auxiliary base station cell is sent changes thresholding.

The parameter of physical layer, which may include that following any one or its are arbitrary, to be combined：

The time-frequency domain position for the SR resources that-UE is used in auxiliary base station cell；

The time-frequency domain position for the CQI resources that-UE is used in auxiliary base station cell；

The time-frequency domain position for the SRS resource that-UE is used in auxiliary base station cell,

Note：Three above parameter includes period, offset in the time domain, includes frequency point information on frequency domain；

The PRACH resource locations that-UE is used in auxiliary base station cell；

The preamble sequences that-UE is used in auxiliary base station cell generate relevant parameter；

The packet data inactivity timer length that-UE is used in auxiliary base station cell.

103, the master base station sends third message to user terminal UE, and the third message includes the RB to be shunted Mark and the RB to be shunted configuration parameter so that the UE be the RB to be shunted establish second packet data convergence association View PDCP entities and the second wireless spread-spectrum technology RLC entities simultaneously carry out data distribution configuration.

Master base station sends third message to UE, and illustratively, which can be data distribution configuration message, data Shunting configuration message include RB to be shunted RB mark and configuration parameter, UE receive the data distribution configure message after, According to the content in the message, for example, the RB marks and configuration parameter of RB to be shunted, the 2nd PDCP entities are established for RB to be shunted With the 2nd RLC entities, wherein UE has the first PDCP entities, the first RLC entities and MAC entity, the 2nd PDCP entities and second RLC is physically located between the first RLC entities of UE and MAC entity, as shown in Figure 3.In addition, may also include in third message：Point Stream type identifies, and it is that shunting or part completely shunts to be used to indicate the data distribution.

It should be noted that the 2nd PDCP entities of UE are corresponding with the PDCP entity logicals at prothetic group station, the 2nd RLC of UE is real Body is corresponding with the RLC entity logicals at prothetic group station.The first PDCP entities of UE are corresponding with the PDCP entities of master base station, and the first of UE RLC entities are corresponding with the RLC entities of master base station.Here " correspondence " is a kind of relationship in logic, since data are being transmitted During, what kind of operation master base station carries out with prothetic group station to data, and UE needs to carry out when receiving data corresponding inverse Operation, therefore, as shown in figure 3, from protocol stack structure, both sides are logically reciprocity.

Optionally, UE is sent out after establishing the 2nd PDCP entities and the 2nd RLC entities for each RB to be shunted to master base station Data distribution configuration response message is sent, to notify the foundation of the 2nd PDCP entities of master base station and the 2nd RLC entities to complete, such as Fig. 4 It is shown.Master base station receives the data distribution configuration response message that UE is sent.

The method of the present embodiment, by the way that the 2nd PDCP entities and the are arranged between the first RLC entities and MAC entity of UE Two RLC entities, it is smaller to protocol modification to change the process flow for treating streamed data in the prior art, and bottom is surveyed The situation reacting condition of eating dishes without rice or wine measured is very fast, and the effect of dynamic shunt is relatively good.

Further, in the present embodiment, after master base station transmission data shunts request message to prothetic group station, the prothetic group Station further determines whether to be that the UE establishes cell：

It is each RB foundation in the list according to the Qos parameters if prothetic group station, which has been UE, establishes cell Simultaneously configuration parameter is arranged in PDCP entities and RLC entities；

Cell is established if prothetic group station is not UE, prothetic group station is that UE establishes a cell, to carry RB, and prothetic group station While establishing PDCP entities and RLC entities for each RB, also mixed automatic retransfer is established between the cell and UE and asked Seek (Hybrid Automatic Repeat Request, abbreviation HARQ) entity.Usually, it needs to establish 8 in each cell HARQ entities are corresponding with a UE.

Further, further include in the data distribution response message：The preamble (preamble) of the UE, it is described Base station is divided after judging that the UE does not establish connection and/or synchronized links with the prothetic group station by prothetic group station supplemented by preamble Match, for after the data distribution configuration response message that the master base station receives that the UE is sent, described in the UE uses Preamble initiates the specific cell into prothetic group station random access to access the prothetic group station.It is described in the present embodiment Preamble can be distributed by the cell serviced by prothetic group station.Correspondingly, further including described in the data distribution configuration message The correspondence of preamble and preamble and cell, so that UE learns the preamble.

Further, further include in data distribution response message：BSR threshold values, BSR threshold values are distributed for the prothetic group station , for reporting BSR for the UE, BSR is that the UE distributes uplink transmission resource for the master base station and/or prothetic group station. Correspondingly, further including the BSR threshold values in the data distribution configuration message, so that UE learns the BSR threshold values.

Further, after the master base station sends first message to prothetic group station, further include：

When the data volume of the downlink data in the caching at the prothetic group station is less than or equal to the caching of prothetic group station setting When thresholding, the master base station receives the request of data at the prothetic group station；Or,

The caching situation at the prothetic group station that the master base station is periodically reported according to the prothetic group station, to the prothetic group station Transmission data.

After master base station transmission data shunts request message to prothetic group station, the prothetic group station also sets up buffer threshold, when When the data volume of downlink data in the caching at prothetic group station is less than or equal to the buffer threshold, the prothetic group station is to the main base It stands request data.This buffer threshold need not notify master base station, need not also notify UE, therefore need not also carry in data It shunts in response message.Alternatively, the caching situation at the prothetic group station is periodically reported at prothetic group station to the master base station, so that institute Master base station is stated according to the caching situation reported (for example, the data volume of the caching downlink data at prothetic group station is less than or equal to some door When limit value), to prothetic group station transmission data.

Optionally, after the data distribution configuration response message that the master base station receives that the UE is sent, further include：

Master base station is received configures ready message from the data distribution of the prothetic group station or the UE, and start into Row data distribution transmits.After the configuration completion at prothetic group station and UE establish synchronized links with prothetic group station, need to notify master base station control The configuration in face processed is completed, and the structure for configuring front and back each node is as shown in Figure 4.In the present embodiment, data distribution configuration is ready Message can be sent out by UE, can also be to be sent out by prothetic group station, it should be noted that if data distribution configuration prepares Ready message is sent out by prothetic group station, then master base station can be determined that configuration is completed；If it is what is sent out by UE, then master base station exists After receiving the ready message of data distribution configuration, it is also necessary to wait for prothetic group station to send a data distribution configuration ready Message can just carry out data distribution transmission.

In practical operation, the situation of eating dishes without rice or wine at prothetic group station changes or other reasons, can cause prothetic group station that can share Data volume change.In this case, data share, update configuration ginseng can be adjusted to master base station application by X2 mouthfuls Number, wherein newer configuration parameter includes BSR thresholdings, RB configuration parameters etc., and newer process includes the following steps：

The master base station receives the data distribution configuration modification request message from the prothetic group station, and the data distribution is matched It includes RB configuration parameters to be modified and BSR thresholdings to be modified to set modification request message；With

The master base station or prothetic group station shunt configuration modification message to UE transmission datas, and the data distribution configuration modification disappears Breath includes the RB configuration parameters to be modified and the BSR thresholdings to be modified.

Illustratively, renewal process can be specific as follows：

The first step：Prothetic group station shunts configuration modification request message to master base station transmission data, and the data distribution configuration is repaiied Change RB configuration parameters and BSR thresholdings that request message includes to be modified；

Second step：Prothetic group station receives the data distribution configuration modification request response from master base station；

Third walks：Prothetic group station shunts configuration modification message to UE transmission datas, in the data distribution configuration modification message Including RB configuration parameters to be modified and BSR thresholdings；

4th step：Prothetic group station receives the data distribution configuration modification response message that UE is returned.

As another embodiment of the present invention, which may further be embodied as：

The first step：Master base station receives the data distribution configuration modification request message from prothetic group station, and the data distribution is matched Set RB configuration parameters and BSR thresholdings that modification request message includes to be modified；

Second step：Master base station shunts configuration modification request response to prothetic group station transmission data；

Third walks：Master base station shunts configuration modification message to UE transmission datas, in the data distribution configuration modification message Including RB configuration parameters to be modified and BSR thresholdings；

4th step：Master base station receives the data distribution configuration modification response message that UE is returned.

On the basis of above-mentioned data distribution configuration method, the present embodiment also provides a kind of downlink (SGW-UE) data biography Transmission method works as the method as shown in figure 5, the method for the present embodiment is the transmission method of the downlink data based on part shunting Data distribution type be part shunt when, this method includes：

201, the PDCP entities of master base station receive the data from SGW, and handle the data, form the first number According to.

Firstly the need of explanation, the shunting of part here refers to that the data portion of a RB is transmitted via prothetic group station, portion Lease making is transmitted by master base station.

Specifically, the processing that the PDCP entities of master base station are done includes data encryption and head compression.In the present embodiment, only Master base station receives data from SGW, and prothetic group station does not receive the data from SGW.

202, the RLC entities of master base station add the first RLC serial numbers to first data, form the second data, and by institute State the PDCP entities that streamed data to be shunted in the second data is sent to prothetic group station.

After the RLC entities of master base station add the first RLC serial numbers to first data, the PDCP being sent in prothetic group station is real Body.Illustratively, as shown in fig. 6, a RB data packet is coupled with serial number " X+1 " in the RLC entities of master base station, another RB number RLC entities according to packet in master base station are coupled with serial number " Y+1 ", and each RLC SDU correspond to an individual RLC serial number.

203, the streamed data is sent to the RLC entities at prothetic group station by the PDCP entities at prothetic group station.

Illustratively, after the PDCP entities at prothetic group station receive the streamed data from master base station, which is done Daylight is managed, that is, is not processed, then the streamed data is sent to the RLC entities at prothetic group station.It is basic due to PDCP entities Function realizes in the PDCP entities of master base station, such as data encryption, head compression, therefore the PDCP entities at prothetic group station can Not have to process streamed data.

204, prothetic group station handles the data to be shunted, and treated that data to be shunted are sent to UE by described.

As shown in fig. 6, prothetic group station handles the data to be shunted, illustratively, first, the RLC entities at prothetic group station will connect The streamed data received carries out segmentation cascade, then adds the 2nd RLC serial numbers, forms third data, and by the third Data are sent to MAC layer." the segmentation cascade " of the present embodiment includes three processing procedures：Segmentation, is exactly by the different height of length Layer PDU groupings carry out segmentation and are reassembled as smaller RLC load cells (PU)；Cascade, when the content of a RLC SDU cannot fill up When one complete RLC PDU, the first segment of next RLC SDU can be also placed in this PU, with previous RLC SDU Final stage be concatenated together；Filling, when the content of RLC SDU cannot fill up a complete RLC PDU and can not carry out When cascade, remaining space can be filled up with filling bit.

After data packet is carried out segmentation cascade by the RLC entities at prothetic group station, a 2nd RLC serial number is added, forms third Data, i.e. RLC PDU, two RLC entities are respectively that the data packet oneself generated adds serial number " K+1 " and " P+1 " in figure, then Deliver MAC entity.

Specifically, after the MAC entity at prothetic group station handles the third data, it is sent to physical layer, so that physics By treated, third data are sent to the user terminal layer (Phy).Here " processing " can be specifically be multiplexed, i.e., by one or The corresponding third data of multiple RB merge.If some TTI only receives the third data that a RB is sent, nothing It need to be multiplexed.

Data packet from multiple RB forms MAC PDU, finally delivers object after the MAC entity at prothetic group station is multiplexed Layer is managed to send.Illustratively, as shown in Figure 6, the data packet of serial number " K+1 " and " P+1 " is placed on same by MAC entity In MAC PDU, and " MAC Header " is added, ultimately forms a MAC PDU.Finally, physical layer will treated third Data are sent to UE.

The transmission method of the downlink data of the present embodiment, when data distribution type is that part shunts, by will be a part of The data of shunting are transmitted to the PDCP entities at prothetic group station, to be sent to UE by prothetic group station, when the condition of eating dishes without rice or wine at prothetic group station changes When change, the MAC entity at prothetic group station can in time react situation to master base station, to realize dynamic shunt, and be repaiied to agreement Change it is smaller, it is easy to implement.

Optionally, after the RLC entities of master base station add the first RLC serial numbers to first data, further include：

Second data to be shunted are stored in advance in the caching of RLC entities at prothetic group station by prothetic group station.

In the present embodiment, the second data can be stored in advance in the caching of RLC entities at prothetic group station by prothetic group station in advance, When the data volume in caching is less than or equal to a certain thresholding, some data are just passed again.When the scheduler at prothetic group station determines transmission When data, data packet can be directly taken out from the caching at prothetic group station, therefore can be with speed up processing.

Further, the RLC entities of master base station add the first RLC serial numbers to first data, specially：

The RLC entities of master base station carry out segmentation cascade processing to first data, and to described the after segmentation cascade One data add the first RLC serial numbers.

In the present embodiment, as shown in fig. 7, the RLC entities of master base station carry out cascade processing to first data, i.e., in the future It is combined into one from several data packets of PDCP entities, forms larger data packet, but the maximum number no more than protocol requirement According to packet full-size 8188Bytes.Illustratively, it is two RLC SDU to be cascaded into a RLC PDU, then deliver auxiliary in Fig. 7 The PDCP entities of base station.The advantages of this mode is a sequence in the shared master base station RLC entities of multiple data packets from SGW Number, so occupying less RLC serial numbers, when data volume is larger and condition of eating dishes without rice or wine is preferable, reduces and be limited because RLC windows push Data delay caused by and.

It should be noted that " first data to be shunted are stored in advance in above-mentioned two technical characteristic by master base station In the caching of the RLC entities at prothetic group station " and " the RLC entities of master base station cascade first data ", it can be free group It closes to implement, there are four types of embodiments after combination, as shown in table 1：

Table 1

The physical layer at prothetic group station will treated after data to be shunted send, and the physical layer of UE, which receives, comes from prothetic group station The 4th data, it is real that the 4th data pass through the MAC entity of UE, the 2nd RLC entities, the 2nd PDCP entities, the first RLC successively The processing of body and the first PDCP entities forms the 5th data.UE is to the processing of data packet with master base station and prothetic group station to data packet Processing inverse process each other, i.e.,：

The physical layer of UE receives the 4th data from prothetic group station；

Each data packet of 4th data is divided into several RLC PDU by the MAC entity of UE；

Each RLC PDU are reduced to the data packet before segmentation cascade by the 2nd RLC entities of UE, and remove the 2nd RLC Serial number, and it is sent to the 2nd PDCP entities of UE；

Data packet after reduction is sent to the first RLC entities of UE by the 2nd PDCP entities of UE；

First RLC serial numbers of the first RLC entities removal data packet of UE, and cascade packet is reduced into multiple packets, then give Give the first PDCP entities of UE；

The first processing of the first PDCP entities reduction of UE, obtains the 5th data, finally obtains the data sent by SGW.

The specific processing that UE carries out data packet can the above-mentioned downlink data of analogy transmission method, details are not described herein.

The base station system of the present embodiment, for the data of part shunting after the processing of the RLC entities of master base station, entrance is auxiliary The PDCP entities of base station, the present embodiment first RLC entity in UE corresponding with the PDCP entities at prothetic group station and RLC entities 2nd PDCP entities and the 2nd RLC entities are set between MAC entity, change the processing stream for treating streamed data in the prior art Journey, the situation reacting condition of eating dishes without rice or wine measured bottom is very fast, and the effect of dynamic shunt is preferable.

The present embodiment also provides a kind of downlink data transmission method, as shown in figure 8, the method for the present embodiment is based on complete The data transmission method of shunting, including：

301, the PDCP entities of master base station receive the data from SGW, and handle the data, form the first number According to；

Firstly the need of explanation, complete shunting here refers to the data of a RB all via the transmission of prothetic group station.

Specifically, the processing that the PDCP entities of master base station are carried out includes data encryption and head compression.In the present embodiment, only There is master base station to receive data from SGW, prothetic group station does not receive the data from SGW.

302, the RLC entities of master base station receive first data, and first data are sent to prothetic group station PDCP entities.

In the present embodiment, the RLC entities of master base station do transparent processing to first data, i.e., without any processing.

303, the PDCP entities at prothetic group station receive first data from master base station, and first data are sent To the RLC entities at prothetic group station.

After the PDCP entities at prothetic group station receive the first data from master base station, transparent processing is done to first data, i.e., It is without any processing, then the first data are sent to the RLC entities at prothetic group station.Since the basic function of PDCP entities has existed It is realized in the PDCP entities of master base station, such as data encryption, head compression, therefore the PDCP entities at prothetic group station can not have to dividing Flow data does any processing.

304, prothetic group station handles first data, and first data are sent to UE by treated.

Optionally, prothetic group station handles first data and specifically includes the following contents：The RLC entities at prothetic group station will receive First data carry out segmentation cascade, then add the 2nd RLC serial numbers, form third data, and by the third data It is sent to MAC entity.After the MAC entity at prothetic group station handles the third data, the 4th data are formed, and the 4th is counted According to physical layer is sent to, so that the 4th data are sent to UE by physical layer.

Here " processing " can be specifically to be multiplexed, i.e., merge the corresponding third data of one or more RB. If some Transmission Time Interval (Transmission Time Interval, abbreviation TTI) only receives a RB and sends Third data, then be not necessarily to be multiplexed.

It is transmitted since the data shunted completely need not move through master base station, in the present embodiment, master base station For RLC entities without giving allocation of packets RLC serial numbers, which simplify process flows, reduce signaling overheads, accelerate data Transmission.In addition to this, operation principle and above-mentioned implementation of the master base station of the downlink data transmission method of the present embodiment with prothetic group station Example is identical, and details are not described herein.

Further, the physical layer of UE receives the 4th data from prothetic group station, and the 4th data pass through UE's successively The processing of MAC entity, the 2nd RLC entities, the 2nd PDCP entities, the first RLC entities and the first PDCP entities forms the 5th number According to.UE to the processing of data packet inverse process each other, also repeats no more the processing of data packet and master base station and prothetic group station herein.

In the present embodiment, transmitted since the data shunted completely need not move through master base station, master base station For RLC entities without giving allocation of packets RLC serial numbers, which simplify process flows, reduce signaling overheads, accelerate data Transmission.In addition, the present embodiment first RLC entity and MAC in UE corresponding with the PDCP entities at prothetic group station and RLC entities 2nd PDCP entities and the 2nd RLC entities are set between entity, change the process flow for treating streamed data in the prior art, it is right What bottom measured eat dishes without rice or wine, and situation reacting condition is very fast, and the effect of dynamic shunt is preferable.

The present embodiment also provides a kind of uplink (UE-SGW) data transmission method, as shown in figure 9, the method for the present embodiment It is the transmission method of upstream data, including：

401, UE reports BSR to master base station and/or prothetic group station, so that master base station and/or prothetic group station are in the UE distribution Row transfer resource.

For UE when reporting BSR, for being not engaged in the RB of shunting, UE only reports BSR to master base station；For participating in shunting RB, if being configured to part shunting, UE preferentially sends BSR to prothetic group station.

Further, when the data distribution type of the method is that part shunts, the UE is to master base station and/or prothetic group Station reports BSR, specially：

After the total amount for judging data to be transferred is less than or equal to preconfigured BSR thresholdings, reported to the prothetic group station BSR；After the total amount for judging data to be shunted is more than preconfigured BSR thresholdings, BSR is reported to the prothetic group station, and to institute State the difference that master base station reports the total amount and BSR thresholdings of data to be shunted.

That is, if the total amount of data to be shunted participated in the RB shunted is less than or equal to preconfigured BSR Limit then only reports BSR to prothetic group station, if total amount of data to be shunted is more than BSR thresholdings, is reported under BSR thresholdings to prothetic group station Data, other data report to master base station, i.e., report BSR to prothetic group station, to master base station report the total amounts of data to be shunted with The difference of BSR thresholdings.If being configured to shunt completely, only BSR is reported to master base station.

Illustratively, as shown in Figure 10, BSR thresholdings are 600Bytes, when UE needs to report 800Bytes, then to main base Station reports 200Bytes, and 600Bytes is reported to prothetic group station.After master base station and prothetic group station receive BSR, respectively UE distributes uplink Transfer resource need not reciprocally negotiate between two base stations.

402, the first PDCP entities of UE carry out the first processing to the data, form the first data.

Specifically, the processing that the first PDCP entities are done includes data encryption and head compression.UE after receiving ascending resource, If ascending resource is distributed by master base station, MAC entity directly asks for data to the first RLC entities；If ascending resource It is distributed by prothetic group station, then MAC entity asks for data to the 2nd RLC entities, and the 2nd RLC entities are again to the first RLC entity ropes Want data.

403, first data are carried out segmentation cascade by the first RLC entities of UE, add the first RLC serial numbers, form the Two data, and according to the uplink transmission resource of the prothetic group station distribution received by streamed data to be shunted in second data It is sent to the 2nd PDCP entities.

In the present embodiment, first data are carried out segmentation cascade by the first RLC entities of UE, then add the first RLC After serial number, it is sent in the 2nd PDCP entities.Illustratively, as shown in Figure 10 and Figure 11, as one embodiment of the present invention, Before UE receives ascending resource, data are all stored in the caching of main RLC.Illustratively, MAC entity receives the distribution of prothetic group station Ascending resource, by scheduler decision, decision allows one of RB to pass 150Byte, another RB passes 180Byte.The distribution After information passes to the first RLC entities via the 2nd RLC entities, the first RLC entities of two RB oneself is cached respectively in number Segmentation cascade is carried out according to packet, in addition the first RLC serial numbers, form two RLC PDU.One of size be 150Byte, first RLC serial numbers " X+1 ", another size are 180Byte, the first RLC serial numbers " Y+1 ".

404, the streamed data is sent to the 2nd RLC entities of UE by the 2nd PDCP entities of UE.

After 2nd PDCP entities receive streamed data, transparent processing is done to the streamed data, i.e., it is without any processing, then The streamed data is sent to the 2nd RLC entities.Due to PDCP entities basic function in the first PDCP entities it is real It is existing, such as data encryption, head compression, therefore the 2nd PDCP entities can be without doing any processing to streamed data.

405, the streamed data received is added the 2nd RLC serial numbers by the 2nd RLC entities of UE, forms third number According to.

Specifically, RLC PDU after from PDCP layers of transparent transmission, reach auxiliary rlc layer.Two the 2nd RLC entities by the two Packet forms RLC PDU respectively plus after the 2nd RLC serial numbers of oneself, and illustratively, two the 2nd RLC entities are respectively certainly in Fig. 9 The data packet that oneself generates adds the 2nd RLC serial numbers " K+1 " and " P+1 ", then delivers the MAC entity of UE.

406, by treated, third data are sent to the prothetic group station to UE.

Specifically, after the MAC entity of UE handles the third data, the 4th data are formed, and by the 4th data It is sent to physical layer, third data are sent to master base station and/or prothetic group station so that physical layer is by treated.Illustratively, such as Shown in Figure 10, the data packet of serial number " K+1 " and " P+1 " is placed in the same MAC PDU by MAC entity, and is added " MAC Header " ultimately forms a MAC PDU.Finally, the 4th data are sent to master base station and/or prothetic group by physical layer It stands.

Further, after the first RLC entities add the first RLC serial numbers to first data, further include：

First data to be shunted are stored in advance in the caching of the 2nd RLC entities by UE.

Further, the first RLC entities add the first RLC serial numbers to first data, specially：

First RLC entities cascade first data, and add the first RLC to first data after cascade Serial number.

In the present embodiment, the first RLC entities carry out cascade processing to first data, but without segmentation, if that is, will The dry data packet from the first PDCP entities is combined into one, forms larger data packet, but maximum no more than protocol requirement Data packet full-size 8188Bytes.The advantages of this mode is a sequence in the shared first RLC entities of multiple data packets Number, so occupying less RLC serial numbers, when data volume is larger and condition of eating dishes without rice or wine is preferable, reduces and be limited because RLC windows push Data delay caused by and.

It should be noted that " first data to be shunted are stored in advance in second to above-mentioned two technical characteristic by UE In the caching of RLC entities " and " the first RLC entities of UE cascade first data ", it can be freely combined to implement , there are four types of embodiments after combination, as shown in table 2：

Table 2

After the physical layer of UE sends out the 4th data, the physical layer at prothetic group station receives the 4th data from UE, and described the Four data pass through successively the MAC entity at prothetic group station, the processing of RLC entities and PDCP entities and master base station RLC entities and The processing of PDCP entities forms the 5th data.

Master base station and prothetic group station to the processing of data packet and UE to the processing of data packet inverse process each other, it is no longer superfluous herein It states.

The embodiment of the present invention, by the way that the 2nd PDCP entities and the 2nd RLC are arranged between the first RLC entities and MAC entity Entity, and the 2nd PDCP entities are corresponding with the PDCP entity logicals at prothetic group station, the 2nd RLC entities and the RLC entities at prothetic group station are patrolled Volume correspond to, change and treat the process flow of streamed data in the prior art, to bottom measure eat dishes without rice or wine situation reacting condition compared with Soon, the effect of dynamic shunt is preferable.

The present embodiment also provides a kind of uplink data transmission method, as shown in figure 12, including：

501, UE reports BSR to master base station and/or prothetic group station, so that master base station and/or prothetic group station are in the UE distribution Row transfer resource.

502, the first PDCP entities of UE receive the data from application layer, and handle the data, form the One data.

503, the first RLC entities of UE add the first RLC serial numbers to first data, form the second data, and by institute It states streamed data to be shunted in the second data and is sent to the 2nd PDCP entities.

504, the 2nd PDCP entities of UE, which receive, carrys out the streamed data, and the streamed data is sent to the second of UE RLC entities.

505, the 2nd RLC entities of UE according to receive prothetic group station distribution uplink transmission resource will receive described in After streamed data segmentation cascade, the 2nd RLC serial numbers are added, third data are formed.

Specifically, the third data are sent to the MAC entity of UE by the 2nd RLC entities of UE.

506, by treated, the third data are sent to the prothetic group station to UE.

Specifically, after the MAC entity of UE handles the third data, the 4th data are formed, and by the described 4th Data are sent to physical layer, so that the 4th data are sent to prothetic group station by physical layer.

Unlike the first uplink data transmission method, in the present embodiment, in the uplink for receiving the distribution of prothetic group station Before transfer resource, data have been put into the 2nd PDCP entities, and therefore, the first RLC entities of UE are just only done to data packet plus sequence Number processing, without carrying out segmentation cascade to data packet, and data packet is carried out to be segmented the 2nd RLC entities of cascade need of work To do.In addition to this, other steps of the present embodiment are with the first uplink data transmission method, and details are not described herein.

Further, after the physical layer of UE sends out the 4th data, the physical layer at prothetic group station receives the 4th number from UE According to the 4th data pass through the MAC entity at prothetic group station, the processing of RLC entities and PDCP entities and master base station successively The processing of RLC entities and PDCP entities forms the 5th data.Master base station and prothetic group station are to the processing of data packet with UE to data packet Processing inverse process each other, also repeat no more herein.

After the first RLC entities of UE add the first RLC serial numbers to first data, further include：

When the data distribution type of the method is that part shunts, the UE is reported to master base station and/or prothetic group station BSR, specially：

After the total amount for judging data to be transferred is less than or equal to preconfigured BSR thresholdings, only BSR is reported to prothetic group station；

After the total amount for judging data to be shunted is more than preconfigured BSR thresholdings, BSR, Xiang Zhuji are reported to prothetic group station Station reports the difference of the total amount and BSR thresholdings of data to be shunted.

When the data distribution type of the method is that part shunts, UE only reports BSR to master base station.

Corresponding with the above-mentioned embodiment of data distribution configuration method, the present embodiment also provides a kind of base station, such as Figure 13 It is shown, including transmitter 131 and receiver 132, wherein

Transmitter 131, is used for：

Receiver 132, for receiving the second message from the prothetic group station, the second message include described in wait for point Flow the configuration parameter of RB；

Further, further include in the second message：Buffer status reporting BSR threshold values, the BSR threshold values are by institute It states prothetic group station to distribute and be used to report BSR for the UE, the BSR is for making the master base station and/or prothetic group station be the UE Distribute uplink transmission resource.

Further, the receiver 132 is additionally operable to, when the data volume of the downlink data in the caching at the prothetic group station is small In or equal to prothetic group station setting buffer threshold when, receive the request of data at the prothetic group station；

The transmitter 131 is additionally operable to, according to the caching situation at the prothetic group station that the prothetic group station periodically reports, to Prothetic group station transmission data.

Further, further include in the first message：Flow dividing type identifies, and it is to divide completely to be used to indicate the data distribution Stream or part shunt, wherein

The part shunting refers to that the data portion of a RB is transmitted via the prothetic group station, partly via the master base station Transmission, the complete shunting refer to that the data of a RB are all transmitted via the prothetic group station.

The present embodiment also provides a kind of base station system, as shown in figure 14, including master base station 2 and prothetic group station 3, the master base station Including PDCP entities 21 and RLC entities 22, the prothetic group station include PDCP entities 31, RLC entities 32 wherein,

The PDCP entities 21 of the master base station 2 are carried out for receiving the data from gateway SGW, and to the data Processing forms the first data, wherein the transmission method of the data is that part shunts；

The RLC entities 22 of the master base station 2 are used to add the first RLC serial numbers to first data, form the second data, And data to be shunted in second data are sent to the PDCP entities at the prothetic group station；

The PDCP entities 31 at the prothetic group station 3 are used to the data to be shunted being sent to the RLC entities at the prothetic group station 3 32；

For handling the data to be shunted, and by described, treated that data to be shunted are sent to UE at the prothetic group station 3.

Further, the RLC entities 22 of the master base station 2 are additionally operable to, and segmentation cascade processing is carried out to first data, And add the first RLC serial numbers to first data after segmentation cascade.

Master base station in the present embodiment base station system can perform the action of master base station in above method embodiment, the base station system Prothetic group station in system can perform the action at prothetic group station in above method embodiment.

The present embodiment also provides a kind of base station system, as shown in figure 14, including master base station 2 and prothetic group station 3, the master base station Including PDCP entities 21 and RLC entities 22, the prothetic group station includes PDCP entities 31, RLC entities 32,

The PDCP entities 21 of the master base station 2 are carried out for receiving the data from gateway SGW, and to the data Processing forms the first data, wherein the transmission method of the data is shunting completely；

First data are sent to prothetic group by the RLC entities 22 of the master base station 2 for receiving first data Stand 3 PDCP entities 31；

The PDCP entities 31 at the prothetic group station 3 are used to receive first data from the master base station 2, and will be described First data are sent to the RLC entities 32 at prothetic group station 3；

The prothetic group station 3 handles first data, and treated that the first data are sent to UE by described.

The present embodiment also provides a kind of user terminal, as shown in figure 15, including the first PDCP entities 41, the first RLC entities 42, MAC entity 43 and physical layer 44 further include：BSR reporting units 40, the 2nd PDCP entities 45 and the 2nd RLC entities 46, institute It states the 2nd PDCP entities 45 and the 2nd RLC entities 46 is located between the first RLC entities 42 and MAC 43 of the UE, wherein

BSR reporting units 40, for reporting BSR to master base station and/or prothetic group station, so that master base station and/or prothetic group station are The UE distributes uplink transmission resource；

First PDCP entities 41 form the first data for carrying out the first processing to the data；

First RLC entities 42 add the first RLC serial numbers, form second for first data to be carried out segmentation cascade Data, and sent out streamed data to be shunted in second data according to the uplink transmission resource of the prothetic group station distribution received It send to the 2nd PDCP entities 45；

2nd PDCP entities, the 2nd RLC entities 46 for the streamed data to be sent to UE；

2nd RLC entities 46, for by the streamed data received the 2nd RLC serial numbers of addition, forming third data, And the third data are sent to the MAC entity 43 of the UE；

The physical layer 44 of the UE, for third data to be sent to the prothetic group station by treated.

Further, when data distribution method is that part shunts, the BSR reporting units are specifically used for：

After the total amount for judging data to be transferred is less than or equal to preconfigured BSR thresholdings, reported to the prothetic group station BSR；Or

After the total amount for judging data to be shunted is more than preconfigured BSR thresholdings, BSR is reported to the prothetic group station, and The difference of the total amount and BSR thresholdings of data to be shunted is reported to the master base station.

UE in the present embodiment base station system can perform the action of UE in above method embodiment.

The user terminal of the embodiment of the present invention, by the way that the 2nd PDCP entities are arranged between the first RLC entities and MAC entity With the 2nd RLC entities, and the 2nd PDCP entities are corresponding with the PDCP entity logicals at prothetic group station, the 2nd RLC entities and prothetic group station RLC entity logicals correspond to, and change the process flow for treating streamed data in the prior art, become to the situation of eating dishes without rice or wine that bottom measures It is very fast to change reaction, the effect of dynamic shunt is preferable.

The present embodiment also provides a kind of user terminal, as shown in figure 15, including the first PDCP entities 41, the first RLC entities 42, MAC entity 43 and physical layer 44 further include：BSR reporting units 40, the 2nd PDCP entities 45 and the 2nd RLC entities 46, institute It states the 2nd PDCP entities 45 and the 2nd RLC entities 46 is located between the first RLC entities 42 and MAC43 of the UE,

First RLC entities 42 form the second data, and will be described for adding the first RLC serial numbers to first data Streamed data to be shunted is sent to the 2nd PDCP entities 45 of the UE in second data；

2nd PDCP entities 45, the 2nd RLC entities 46 for the streamed data to be sent to UE；

2nd RLC entities 46, for it will be received according to the uplink transmission resource of the prothetic group station distribution received described in After streamed data segmentation cascade, the 2nd RLC serial numbers are added, third data is formed, the third data is sent to MAC entity 43；

Physical layer 44 is for by treated, third data to be sent to the prothetic group station.

After the total amount for judging data to be transferred is less than or equal to preconfigured BSR thresholdings, reported to the prothetic group station BSR；

The same above method embodiment of operation principle and the course of work of each solid element in the present embodiment, it is no longer superfluous herein It states.

Through the above description of the embodiments, it is apparent to those skilled in the art that, for description It is convenienct and succinct, only the example of the division of the above functional modules, in practical application, can as needed and will be upper It states function distribution to be completed by different function modules, i.e., the internal structure of device is divided into different function modules, to complete All or part of function described above.The specific work process of the system, apparatus, and unit of foregoing description, before can referring to The corresponding process in embodiment of the method is stated, details are not described herein.

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the module or The division of unit, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units Or component can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, institute Display or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, device or unit INDIRECT COUPLING or communication connection can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can be stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, server or the network equipment etc.) or processor execute described in each embodiment of the application The all or part of step of method.And storage medium above-mentioned includes：It is flash memory, mobile hard disk, read-only memory, random Access the various media that can store program code such as memory, magnetic disc or CD.

The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any Change or replacement in the technical scope that the application discloses, should all cover within the protection domain of the application.Therefore, this Shen Protection domain please should be based on the protection scope of the described claims.

Claims

1. a kind of data distribution configuration method, which is characterized in that including：

Master base station sends first message to prothetic group station, and the first message is used to carry out data distribution to the auxiliary base station requests, The first message includes the mark of radio bearer RB and the operation quality requirement Qos parameters of the RB；

The master base station receives the second message from the prothetic group station, and the second message includes the configuration of the RB to be shunted Parameter；

The master base station sends third message to user terminal UE, and the third message includes mark and the institute of the RB to be shunted State the configuration parameter of RB to be shunted.

2. data distribution configuration method according to claim 1, which is characterized in that the first message and/or described Three message are additionally operable to indicate that the data distribution is that shunting or part completely shunts；

Wherein, the part splits into the data portion of a RB and is transmitted via the prothetic group station, partly via the master base station Transmission, the data for splitting into a RB completely are all transmitted via the prothetic group station.

3. data distribution configuration method according to claim 1, which is characterized in that the second message further includes：

The preamble preamble of the UE.

4. data distribution configuration method according to claim 1 or 3, which is characterized in that the third message further includes：

The preamble preamble of the UE.

5. data distribution configuration method according to claim 1 or 3, which is characterized in that the master base station sends first and disappears Behind breath to prothetic group station, further include：

When the data volume of the downlink data in the caching at the prothetic group station is less than or equal to the buffer threshold of prothetic group station setting When, the master base station receives the request of data at the prothetic group station.

6. data distribution configuration method according to claim 1 or 3, which is characterized in that further include：

The ready message of data distribution configuration that the master base station receives the prothetic group station or the UE is sent, and proceed by Data distribution transmits.

7. data distribution configuration method according to claim 1 or 3, it is characterised in that：

The Qos parameters of the RB to be shunted include following at least one：

Whether the priority of RB can be preempted, uplink maximum bit rate, uplink guarantee bit rate, downlink maximal bit Rate, descending guarantee bit rate, maximum allowable time delay.

8. data distribution configuration method according to claim 1 or 3, it is characterised in that：

The master base station is the serving BS of the UE；

The prothetic group station is to participate in the carrier wave polymerization of the UE, and carry out the base station of data distribution.

9. a kind of data distribution configuration method, which is characterized in that including：

User equipment (UE) receives the third message that master base station is sent, and the third message includes the mark of RB to be shunted and described The configuration parameter of RB to be shunted；

The third message is to receive second from the prothetic group station after the master base station sends first message to prothetic group station and disappear What breath was sent later；

Wherein, the first message is used to carry out data distribution to the auxiliary base station requests, and the first message includes wirelessly holding The mark of RB and the operation quality requirement Qos parameters of the RB are carried, the second message includes the configuration ginseng of the RB to be shunted Number.

10. data distribution configuration method according to claim 9, which is characterized in that the first message and/or described Three message are additionally operable to indicate that the data distribution is that shunting or part completely shunts；

11. data distribution configuration method according to claim 9, which is characterized in that the second message further includes：

The preamble preamble of the UE.

12. the data distribution configuration method according to claim 9 or 11, which is characterized in that the third message further includes：

The preamble preamble of the UE.

13. the data distribution configuration method according to claim 9 or 11, which is characterized in that further include：

The UE configures ready message to master base station transmission data shunting, to indicate that the master base station proceeds by number It is transmitted according to shunting.

14. the data distribution configuration method according to claim 9 or 11, it is characterised in that：

The Qos parameters of the RB to be shunted include following at least one：

15. the data distribution configuration method according to claim 9 or 11, it is characterised in that：

The master base station is the serving BS of the UE；

16. a kind of base station, which is characterized in that including：

Transmitter is used for：

First message being sent to prothetic group station, the first message is used to carry out data distribution to the auxiliary base station requests, and described the One message includes the mark of radio bearer RB and the operation quality requirement Qos parameters of the RB；With

Third message is sent to user terminal UE, the third message includes the mark of the RB to be shunted and described to be shunted The configuration parameter of RB；

Receiver, for receiving the second message from the prothetic group station, the second message includes the RB to be shunted Configure parameter.

17. base station according to claim 16, which is characterized in that the first message and/or the third message are also used In indicating the data distribution to shunt or partly shunting completely,

Wherein, the part shunting refers to that the data portion of a RB is transmitted via the prothetic group station, partly via the base station Transmission, the complete shunting refer to that the data of a RB are all transmitted via the prothetic group station.

18. base station according to claim 16, which is characterized in that the second message further includes：

The preamble preamble of the UE.

19. the base station according to claim 16 or 18, which is characterized in that the third message further includes：

The preamble preamble of the UE.

20. the base station according to claim 16 or 18, which is characterized in that

The receiver is additionally operable to, when the data volume of the downlink data in the caching at the prothetic group station is less than or equal to the prothetic group Stand setting buffer threshold when, receive the request of data at the prothetic group station.

21. the base station according to claim 16 or 18, it is characterised in that：

The receiver is additionally operable to the ready message of data distribution configuration for receiving the prothetic group station or the UE is sent, and opens Begin to carry out data distribution transmission.

22. the base station according to claim 16 or 18, it is characterised in that：

The Qos parameters of the RB to be shunted include following at least one：

23. the base station according to claim 16 or 18, it is characterised in that：

The base station is the serving BS of the UE；

24. a kind of UE for data distribution configuration, which is characterized in that including：

Receiving unit, for receive master base station transmission third message, the third message include RB to be shunted mark with The configuration parameter of the RB to be shunted；

25. UE according to claim 24, which is characterized in that also used in the first message and/or the third message In instruction, the data distribution is shunting completely or part shunting；

26. UE according to claim 24, which is characterized in that the second message further includes：

The preamble preamble of the UE.

27. the UE according to claim 24 or 26, which is characterized in that the third message further includes：

The preamble preamble of the UE.

28. the UE according to claim 24 or 26, which is characterized in that further include：

29. the UE according to claim 24 or 26, it is characterised in that：

The Qos parameters of the RB to be shunted include following at least one：

30. the UE according to claim 24 or 26, it is characterised in that：

The master base station is the serving BS of the UE；