CN102761904B - Data transmission method, equipment and system - Google Patents

Data transmission method, equipment and system Download PDF

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Publication number
CN102761904B
CN102761904B CN201110108910.8A CN201110108910A CN102761904B CN 102761904 B CN102761904 B CN 102761904B CN 201110108910 A CN201110108910 A CN 201110108910A CN 102761904 B CN102761904 B CN 102761904B
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China
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network side
pdcp
lte
ue
hspa
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CN201110108910.8A
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Chinese (zh)
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CN102761904A (en
Inventor
于晓谦
邓云
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中兴通讯股份有限公司
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Publication of CN102761904A publication Critical patent/CN102761904A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic or resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/08Load balancing or load distribution

Abstract

The invention provides data transmission method, equipment and system, a kind of data transmission method includes:First network side apparatus receives the downlink service data from core net, and first network side apparatus uses the first access technology;First network side apparatus is combined with being sent downlink service data to UE using the second network side equipment of the second access technology.It can solve the problem that using the present invention above-mentioned in existing network design, it is possible that the situation of the off-capacity of individual system, limit the handling capacity of user terminal, and the load balancing between system can only be realized by switching, the method redirected, the problem of causing the waste of resource.

Description

Data transmission method, equipment and system

Technical field

The present invention relates to the communications field, in particular to data transmission method, equipment and system.

Background technology

For wireless communication technology, corresponding working frequency range is each assigned, each wireless communication system is all operated in In the frequency range planned.With the development of radio communication technology, communication system needs increasing transmission rate, to meet The higher demand of a variety of radio services.The work on hand frequency band of communication system possibly can not meet wanting for higher transfer rate Seek the bandwidth of operation, it is necessary to bigger.

LTE (Long Term Evolution, Long Term Evolution) and HPSA (High Speed PacketAccess, High-speed slender body theory) protocol stack structure of the system all with layering, from the physical layer at most bottom to MAC (Multiple Access Channel, multiple access access channel) layer, RLC (Radio Link Control, wireless spread-spectrum technology) layer, PDCP (the packet data polymerized agreements of Packet Data Convergence Protocol) layer is to higher layer, and each layer is all with phase There is data interaction to independent function, and with last layer and next layer.For LTE or HSPA systems, in terminal or net When network side base station sends data, packet reaches PDCP layers from upper strata, through excessive compression (header compression), encryption (ciphering) processing of function such as, produces PDCP PDU (Packet Data Unit, Packet Data Unit), is sent to down One layer i.e. rlc layer, is sent in sequence to MAC layer, physical layer, is sent out finally by air interface again after the processing by rlc layer process It is sent to receiving terminal.Opposite process is then carried out in receiving terminal, data sequentially pass through physical layer, MAC layer, rlc layer, PDCP layers of place Reason, is finally transmitted to higher one layer.HSPA and LTE PDCP layer functions difference, LTE PDCP layers have encryption (ciphering), decryption (deciphering) and integrity protection (integrity protection and integrity Verification function).

In order to realize higher transmission rate, 3GPP proposes carrier aggregation (CarrierAggregation) technical side Case, is simultaneously user equipment service using multiple carrier waves.Existing carrier aggregation scheme is mainly using multiple in triangular web Carrier wave provides simultaneously logical with user equipment holding using the carrier wave of 2 or more than 2 in service, such as HSPA for user equipment simultaneously Letter, or utilize the carrier wave of 2 or more than 2 to keep communicating with user equipment simultaneously in LTE.But in actual network, Due to the limitation of carrier frequency quantity, some mobile operator do not have enough frequencies while disposing multiple HSPA and LTE system, Mobile operator can adjust HSPA and LTE carrier frequency number according to the number of user equipment of access network.Under this network design, It is possible that the situation of the off-capacity of individual system, limits the handling capacity of user terminal, and the load between system is equal Weighing apparatus can only be realized by switching, the method redirected, can cause the waste of resource.

For in correlation technique in existing network design, it is possible that the situation of the off-capacity of individual system, Limit the handling capacity of user terminal, and the load balancing between system can only be realized by switching, the method redirected, meeting The problem of causing the waste of resource, not yet proposes effective solution at present.

The content of the invention

It is above-mentioned existing at least to solve it is a primary object of the present invention to provide data transmission method, equipment and system Network design in, it is possible that the situation of the off-capacity of individual system, limits the handling capacity of user terminal, and be Load balancing between system can only be realized by switching, the method redirected, the problem of causing the waste of resource.

According to an aspect of the invention, there is provided a kind of data transmission method, including:First network side apparatus, which is received, to be come From the downlink service data of core net, the first network side apparatus uses the first access technology;The first network side apparatus Joint is with being sent the downlink service data to user equipment (UE) using the second network side equipment of the second access technology.

It is preferred that, the first network side apparatus joint will using the second network side equipment of different access technologies with itself The downlink service data is sent to user equipment (UE), including:During using the first network side apparatus as anchor point, first net The downlink service data is split as two parts by network side apparatus, and Part I downlink service data is sent to the UE, will Part II downlink service data is sent to second network side equipment, by second network side equipment by described second Downlink service data is divided to send to the UE;Wherein, there are data between the first network side apparatus and the second network side equipment Coffret.

It is preferred that, when first access technology is Long Term Evolution LTE, second access technology is high-speed downstream During packet access technique HSPA, the first network side apparatus be LTE base station eNB, second network side equipment be HSPA without Line network controller RNC, the downlink service data is packet data polymerized protocol service data cell PDCP SDU, described The PDCP SDU are split as Part I PDCP SDU and Part II PDCP SDU by LTE eNB, and respectively constitute packet The protocol Data Unit PDCP PDU of data aggregation protocol, i.e. Part I PDCP PDU and Part II PDCP PDU, respectively Send the rlc layer to the wireless spread-spectrum technology rlc layer of itself and the HSPA RNC;The LTE eNB are by the Part I PDCP PDU send to the UE, the HSPA RNC and send Part II PDCP PDU to the UE;Or when described One access technology is HSPA, when second access technology is LTE, and the first network side apparatus is HSPA RNC, described the Two network side equipments are LTE eNB, and the downlink service data is PDCP SDU, and the HSPA RNC tear the PDCP SDU open It is divided into Part I PDCP SDU and Part II PDCP SDU, and respectively constitutes PDCP PDU, i.e. Part I PDCP PDU With Part II PDCP PDU, be respectively sent to itself wireless spread-spectrum technology rlc layer and the LTE eNB rlc layer;It is described The Part I PDCP PDU are sent to the UE, the LTE eNB and send the PDCP PDU of part the 2nd by HSPA RNC To the UE.

It is preferred that, the PDCP SDU are split as the first PDCP SDU and the 2nd PDCP SDU by the LTE eNB, bag Include:The LTE eNB carry out PDCP layers of operation to the PDCP SDU, and the operation includes header-compressed, integrity protection And encryption;PDCP SDU by described PDCP layers of operation are split as the first PDCP according to default fractionation algorithm The SDU and Part II PDCP SDU, and distributed for the Part I PDCP SDU and Part II PDCP SDU Identical PDCP sequence numbers SN.

It is preferred that, the downlink service data is split as two parts by the first network side apparatus, including:Described first Network side equipment is according to the quality of wireless channel of first access technology network corresponding with second access technology and negative Information carrying breath determines the primary contract of the downlink service data.

It is preferred that, the first network side apparatus joint will using the second network side equipment of different access technologies with itself The downlink service data is sent to user equipment (UE), including:During using the first network side apparatus as anchor point, first net Network side apparatus sends the downlink service data to the UE, or the downlink service data is sent to second net Network side apparatus, is sent the downlink service data to the UE by second network side equipment;Wherein, the first network There is data transmission interface between side apparatus and the second network side equipment.

It is preferred that, when first access technology is Long Term Evolution LTE, second access technology is high-speed downstream During packet access technique HSPA, the first network side apparatus be LTE base station eNB, second network side equipment be HSPA without Line network controller RNC, the downlink service data is packet data polymerized protocol service data cell PDCP SDU, described LTE eNB are not split to the PDCP SDU, PDCP PDU are constituted after LTE PDCP processes processing, and send to LTE ENB rlc layer, UE is sent data packets to by LTE eNB, or, the LTE eNB send the PDCP PDU to HSPA RNC rlc layer, is sent to the UE by the HSPA RNC;Or when first access technology is HSPA, described second connects When entering technology for LTE, the first network side apparatus is HSPA RNC, and second network side equipment is LTE eNB, it is described under Row business datum is PDCP SDU, and the HSPA RNC are not split to the PDCP SDU, is handled by HSPA PDCP processes PDCP PDU are constituted afterwards, and are sent to HSPA RNC rlc layer, and UE is sent data packets to by HSPA RNC, or, it is described HSPA RNC send the PDCP SDU to LTE eNB rlc layer, are sent by the LTE eNB to the UE, at this moment described LTE eNB rlc layer possesses the function of encryption and integrity protection.

It is preferred that, first access technology and the second access technology include one of following:LTE、HSPA;The LTE time-divisions are double Work TDD, LTE FDD;Universal mobile communications technology UMTS, LTE.

According to another aspect of the present invention there is provided another data transmission method, including:User equipment (UE) is received The downlink service data that first network side apparatus and the second network side equipment are sent respectively, wherein, the first network side apparatus Using the first access technology, second network side equipment uses the second access technology;The UE is by the downlink service data Sent after the processing of packet data polymerized agreement PDCP processes to upper strata.

It is preferred that, the UE sends the downlink service data to upper strata after the processing of PDCP processes, including:It is described UE receives the Part I downlink service data that the first network equipment is sent using the first processing module of itself, using certainly The Second processing module of body receives the Part II downlink service data that second network equipment is sent, wherein, in the UE It is configured with the first processing module matched with first access technology, and matched with second access technology Two processing modules, wherein, there is data transmission interface between the first processing module and the Second processing module;The UE will The Part I downlink service data and the Part II downlink service data merge processing, and carry out PDCP processes Processing, send to upper strata.

It is preferred that, the UE carries out the Part I downlink service data and the Part II downlink service data Merging treatment, including:During using the first network side apparatus as anchor point, the UE is using the first processing module by described the A part of downlink service data and the Part II downlink service data are merged.

It is preferred that, the UE carries out the Part I downlink service data and the Part II downlink service data Merging treatment, including:When first access technology is Long Term Evolution LTE, second access technology is high-speed downstream During packet access technique HSPA, the first network side apparatus be LTE base station eNB, second network side equipment be HSPA without Line network controller RNC, the downlink service data is packet data polymerized protocol service Data Units Section PDCP PDU, institute First processing module is stated for LTE module, the Second processing module is HSPA modules, the UE is received using the LTE module Part I PDCP PDU, and Part II PDCP PDU are received from the HSPA modules using the LTE module, lookup has Identical PDCP sequence numbers SN Part I PDCPPDU and Part II PDCPPDU, by the part in addition to the PDCP SN Merge, and carry out the operation of PDCP processes, the operation includes decryption, integrity check, header decompression;Or work as institute The first access technology is stated for HSPA, when second access technology is LTE, the first network side apparatus is HSPA RNC, institute The second network side equipment is stated for LTE eNB, the downlink service data is PDCP PDU, the first processing module is HSPA moulds Block, the Second processing module is LTE module, and the UE receives Part I PDCP PDU, and profit using the HSPA modules Part II PDCP PDU are received from the LTE module with the HSPA modules, the with identical PDCP sequence numbers SN is searched A part of PDCPPDU and Part II PDCPPDU, the part in addition to the PDCP SN is merged, and carry out PDCP mistakes The operation of journey, the operation includes header decompression, wherein, decryption and integrity check operation of the LTE module to data Carried out in the rlc layer of the LTE module.

It is preferred that, the UE sends the downlink service data to upper strata after the processing of PDCP processes, including:It is described UE receives the Part I downlink service data that the first network equipment is sent using the first processing module of itself, using certainly The Second processing module of body receives the Part II downlink service data that second network equipment is sent, wherein, in the UE It is configured with the first processing module matched with first access technology, and matched with second access technology Two processing modules, wherein, there is data transmission interface between the first processing module and the Second processing module;The UE will The Part I downlink service data and the Part II downlink service data carry out the processing of PDCP processes, and send out respectively Deliver to upper strata.

It is preferred that, the UE carries out the Part I downlink service data and the Part II downlink service data The processing of PDCP processes, and upper strata is respectively sent to, including:During using the first network side apparatus as anchor point, the UE is utilized The first processing module is by under the Part I downlink service data and the Part II after being handled through PDCP processes Row business datum is sent to upper strata.

It is preferred that, the UE carries out the Part I downlink service data and the Part II downlink service data The processing of PDCP processes, including:When first access technology is Long Term Evolution LTE, second access technology is height During fast downlink packet access technology HSPA, the first network side apparatus is LTE base station eNB, and second network side equipment is HSPA radio network controller (RNC)s, the downlink service data is packet data polymerized protocol service Data Units Section PDCP SDU, the first processing module is LTE module, and the Second processing module is HSPA modules, and the UE utilizes the LTE moulds Block receives Part I PDCP PDU, and receives Part II PDCP PDU from the HSPA modules using the LTE module, right The Part I PDCP PDU and Part II PDCP PDU carry out the operation of PDCP processes, and the operation includes solution Close, integrity check, header decompression;Or when first access technology is HSPA, second access technology is LTE When, the first network side apparatus is HSPA RNC, and second network side equipment is LTE eNB, the downlink service data For PDCP SDU, the first processing module is HSPA modules, and the Second processing module is LTE module, and the UE utilizes institute State HSPA modules and receive Part I PDCP PDU, and Part II is received from the LTE module using the HSPA modules PDCP PDU, the operation of PDCP processes is carried out to the Part I PDCP PDU and Part II PDCP PDU, described Operation includes header decompression, wherein, decryption and integrity check of the LTE module to data are operated in the LTE module Rlc layer carry out.

It is preferred that, first access technology and the second access technology include one of following:LTE、HSPA;The LTE time-divisions are double Work TDD, LTE FDD;Universal mobile communications technology UMTS, LTE.

According to another aspect of the present invention there is provided another data transmission method, including:User equipment (UE) processing Uplink business data to be sent;The UE using the first network side apparatus using the first access technology and uses second simultaneously Uplink business data after the second network side equipment joint transmission processing of access technology.

It is preferred that, the user equipment (UE) handles uplink business data to be sent, including:Set with the first network side During for being anchor point, the uplink business data is split as two parts by the UE using the first processing module of itself, by first Part uplink business data is sent to the first network side apparatus, and Part II uplink business data is sent to described second Network side equipment, wherein, be configured with the first processing module matched with first access technology in the UE, and with institute The Second processing module that the second access technology matches is stated, wherein, between the first processing module and the Second processing module There is data transmission interface.

It is preferred that, when first access technology is Long Term Evolution LTE, second access technology is high-speed downstream During packet access technique HSPA, the first network side apparatus be LTE base station eNB, second network side equipment be HSPA without Line network controller RNC, the uplink business data is packet data polymerized protocol service data cell PDCP SDU, described the One processing module is LTE module, and the Second processing module is HSPA modules, and the UE will be described using the LTE module PDCP SDU are split as Part I PDCP SDU and Part II PDCP SDU, and respectively constitute packet data polymerized agreement Protocol Data Unit PDCP PDU, i.e. Part I PDCP PDU and Part II PDCP PDU, are respectively sent to the LTE The rlc layer of eNB wireless spread-spectrum technology rlc layer and the HSPA RNC;Or when first access technology is HSPA, it is described When second access technology is LTE, the first network side apparatus is HSPA RNC, and second network side equipment is LTE eNB, The downlink service data is PDCP SDU, and the first processing module is HSPA modules, and the Second processing module is LTE moulds The PDCP SDU are split as Part I PDCP SDU and Part II PDCP by block, the UE using the HSPA modules SDU, and PDCP PDU, i.e. Part I PDCP PDU and Part II PDCP PDU are respectively constituted, it is respectively sent to HSPA The rlc layer of RNC rlc layer and the LTE eNB.

It is preferred that, the Part I PDCP SDU and Part II PDCP SDU are respectively sent to HSPA by the UE The rlc layer of RNC rlc layer and the LTE eNB, including:The UE is according to first access technology and the described second access The quality of wireless channel and load information of the corresponding network of technology determine preferably to send the network of the uplink business data to it Side apparatus.

It is preferred that, first access technology and the second access technology include one of following:LTE、HSPA;The LTE time-divisions are double Work TDD, LTE FDD;Universal mobile communications technology UMTS, LTE.

According to another aspect of the present invention there is provided another data transmission method, including:First network side apparatus The first uplink business data that user equipment (UE) is sent is received, and second network side is obtained from the second network side equipment and is set Standby the second uplink business data received, the first network side apparatus uses the first access technology, and second network side is set There is data transmission interface in standby use between the second access technology, and the first network side apparatus and the second network side equipment;Institute State first network side apparatus and hair after processing is merged to first uplink business data and second uplink business data Deliver to upper strata.

It is preferred that, when first access technology is Long Term Evolution LTE, second access technology is high-speed downstream During packet access technique HSPA, the first network side apparatus be LTE base station eNB, second network side equipment be HSPA without Line network controller RNC, first uplink business data and second uplink business data are respectively Part I PDCP PDU and Part II PDCP PDU, the LTE eNB therefrom search the Part I PDCP with identical PDCP sequence numbers SN PDU and Part II PDCP PDU, the part in addition to the PDCP SN is merged, and carries out the operation of PDCP processes, The operation includes decryption, integrity check, header decompression;Or when first access technology is HSPA, described second When access technology is LTE, the first network side apparatus is HSPA RNC, and second network side equipment is LTEeNB, described First uplink business data and second uplink business data are respectively Part I PDCP PDU and Part II PDCP PDU, the HSPA RNC therefrom search Part I PDCP PDU and Part II PDCP PDU with identical PDCP SN, Part in addition to the PDCP SN is merged, and carries out the operation of PDCP processes, the operation includes header decompression Contracting, decryption and integrity check operation of the LTE eNB sides to data will be carried out in LTE eNB rlc layer.

According to another aspect of the present invention there is provided a kind of network side equipment, including:First receiving module, for connecing Receive the downlink service data from core net;First sending module, for combining different its of access technology with itself use He sends the downlink service data to user equipment (UE) network side equipment.

According to another aspect of the present invention there is provided a kind of user equipment (UE), including:Second receiving module, for connecing The downlink service data that first network side apparatus and the second network side equipment are sent respectively is received, wherein, the first network side is set Standby to use the first access technology, second network side equipment uses the second access technology;Second sending module, for by described in Downlink service data is sent to upper strata after the processing of packet data polymerized agreement PDCP processes.

According to another aspect of the present invention there is provided a kind of user equipment (UE), including:Processing module, is treated for handling The uplink business data of transmission;3rd sending module, for utilizing the first network side apparatus using the first access technology simultaneously Combine the uplink business data after transmission processing with the second network side equipment using the second access technology.

According to another aspect of the present invention there is provided a kind of network side equipment, including:3rd receiving module, for connecing The first uplink business data that user equipment (UE) is sent is received, and obtains from the second network side equipment second network side equipment The second uplink business data received, itself uses the first access technology, second network side equipment is using the second access skill Art, and there is data transmission interface between the second network side equipment in itself;Merging module, for the first uplink service number According to and second uplink business data merge processing after send to upper strata.

According to another aspect of the present invention there is provided a kind of data transmission system, including first network side apparatus, second Network side equipment and user equipment (UE):The first network side apparatus, for receiving the downlink service data from core net, institute First network side apparatus is stated using the first access technology;Joint will be described with the second network side equipment using the second access technology Downlink service data is sent to UE;Second network side equipment, for combine with the first network side apparatus will be described under Row business datum is sent to the UE;The UE, for receiving the downlink service data.

According to another aspect of the present invention there is provided a kind of data transmission system, including first network side apparatus, second Network side equipment and user equipment (UE):The UE, the uplink business data to be sent for handling;Skill is accessed using using first The first network side apparatus of art combines the uplink service after transmission processing with the second network side equipment using the second access technology Data;The first network side apparatus, for combining with the second network side equipment using the second access technology after transmission processing Uplink business data;Second network side equipment, for combining with using the first network side apparatus of the first access technology Uplink business data after transmission processing.

In embodiments of the present invention, combined using the network side equipment of different access technologies and send downlink business to UE, I.e., it is possible to carry out data transmission using different types of carrier wave simultaneously, expand UE bandwidth of operation, increase transmission rate, meet The radio services of high request, can not only improve the handling capacity of user terminal, additionally it is possible to network is obtained load balancing Effect.

Brief description of the drawings

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

Fig. 1 is the process chart of the first data transmission method according to embodiments of the present invention;

Fig. 2 is the process chart of second of data transmission method according to embodiments of the present invention;

Fig. 3 is the process chart of the third data transmission method according to embodiments of the present invention;

Fig. 4 is UE internal agreement stack architecture schematic diagrames according to embodiments of the present invention;

Fig. 5 is the deployment architecture schematic diagram of network according to embodiments of the present invention;

Fig. 6 is the downlink data transfer process schematic diagram of scheme one according to embodiments of the present invention;

Fig. 7 is the transmitting uplink data schematic flow sheet of scheme one according to embodiments of the present invention;

Fig. 8 is the downlink data transmission schematic flow sheet of scheme two according to embodiments of the present invention;

Fig. 9 is the transmitting uplink data schematic flow sheet of scheme two according to embodiments of the present invention;

Figure 10 is the first structural representation of network side equipment according to embodiments of the present invention;

Figure 11 is UE according to embodiments of the present invention the first structural representation;

Figure 12 is UE according to embodiments of the present invention second of structural representation;

Figure 13 is second of structural representation of network side equipment according to embodiments of the present invention;

Figure 14 is the structural representation of data transmission system according to embodiments of the present invention.

Embodiment

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

Mentioned in correlation technique, in actual network, due to the limitation of carrier frequency quantity, some mobile operator do not have There are enough frequencies while disposing multiple HSPA and LTE system, mobile operator can be according to the number of user equipment of access network Adjust HSPA and LTE carrier frequency number.Under this network design, it is possible that the situation of the off-capacity of individual system, limit Make the handling capacity of user terminal, and the load balancing between system can only be realized by switching, the method redirected, can be made Into the waste of resource.

In order to solve the above technical problems, the embodiments of the invention provide a kind of data transmission method, its handling process such as Fig. 1 It is shown, including:

Step S102, first network side apparatus receive the downlink service data from core net, and first network side apparatus is adopted Use the first access technology;

Step S104, first network side apparatus joint are with the second network side equipment using the second access technology by lower industry Business data are sent to user equipment (UE).

In embodiments of the present invention, combined using the network side equipment of different access technologies and send downlink business to UE, I.e., it is possible to carry out data transmission using different types of carrier wave simultaneously, expand UE bandwidth of operation, increase transmission rate, meet The radio services of high request, can not only improve the handling capacity of user terminal, additionally it is possible to network is obtained load balancing Effect.

During implementation, first network side apparatus joint will be descending using the second network side equipment of different access technologies with itself Business datum is sent to user equipment (UE), according to the difference of anchor point, and the processing method of use is also different, if an equipment is designated For anchor point, then only the equipment is connected with core net, and remaining equipment is not connected to core net, for example, with first network side apparatus During for anchor point, downlink service data is split as two parts by first network side apparatus, and Part I downlink service data is sent To UE, Part II downlink service data is sent to the second network side equipment, by the second network side equipment by under Part II Row business datum is sent to UE, wherein, there is data transmission interface between first network side apparatus and the second network side equipment.

Now illustrated with a specific embodiment, when the first access technology is Long Term Evolution LTE, the second access skill When art is high speed downlink packet access technology HSPA, first network side apparatus is LTE base station eNB, and the second network side equipment is HSPA RNC (Radio Network Controller, radio network controller), downlink service data is PDCP SDU PDCP SDU are split as Part I PDCP SDU and by (Service Data Unit, Service Data Unit), LTE eNB Two part PDCP SDU, and respectively constitute PDCP PDU (Protocol Data Unit, protocol Data Unit), i.e. Part I PDCP PDU and Part II PDCP PDU, are respectively sent to RLC (the Radio Link Control, Radio Link control of itself System) layer and HSPA RNC rlc layer;LTE eNB send Part I PDCP PDU to UE, and HSPA RNC are by Part II PDCPPDU is sent to UE;

Or

When the first access technology is HSPA, and the second access technology is LTE, first network side apparatus is HSPA RNC, the Two network side equipments are LTE eNB, and downlink service data is that PDCP SDU are split as Part I by PDCP SDU, HSPA RNC PDCP SDU and Part II PDCP SDU, and respectively constitute PDCP PDU, i.e. Part I PDCP PDU and Part II PDCP PDU, be respectively sent to itself rlc layer and LTE eNB rlc layer;HSPA RNC send Part I PDCP PDU To UE, LTE eNB send the PDCP PDU of part the 2nd to UE.

During implementation, PDCP SDU are split as the first PDCP SDU and the 2nd PDCP SDU by LTE eNB, including:

LTE eNB carry out PDCP layers of operation to PDCP SDU, and operation includes header-compressed, integrity protection and added It is close;

PDCP SDU by PDCP layer of operation are split as the first PDCP SDU and the according to the default algorithm that splits Two part PDCP SDU, and be Part I PDCP SDU and Part II PDCP SDU distribution identical PDCP SN (Sequence Number, sequence number).

Downlink service data is split as two parts by first network side apparatus, and primary contract can be according to different network rings Border is different, preferably, and first network side apparatus can be according to the nothing of the first access technology network corresponding with the second access technology Line channel quality and load information determine the primary contract of downlink service data, for example, being the preferable network of quality of wireless channel The network side equipment at place distributes the downlink service data of larger proportion.

Or, first network side apparatus joint is with itself using the second network side equipment of different access technologies by lower industry When business data are sent to user equipment (UE), downlink service data can not also be split, but enter line number as follows According to transmission:

During using first network side apparatus as anchor point, first network side apparatus sends downlink service data to UE, or will Downlink service data is sent to the second network side equipment, by the second network side equipment by Part II downlink service data send to UE;Wherein, there is data transmission interface between first network side apparatus and the second network side equipment.

Now illustrated with a specific embodiment, when the first access technology is LTE, and the second access technology is HSPA, First network side apparatus is LTE eNB, and the second network side equipment is HSPA RNC, and downlink service data is PDCP SDU, LTE ENB is not split to PDCP SDU, PDCP PDU is constituted after LTE PDCP processes processing, and send to LTE eNB RLC Layer, UE is sent data packets to by LTE eNB, or, LTE eNB send PDCP PDU to HSPA RNC rlc layer, by HSPA RNC are sent to UE;

Or

When the first access technology is HSPA, and the second access technology is LTE, first network side apparatus is HSPA RNC, the Two network side equipments are LTE eNB, and downlink service data is that PDCP SDU, HSPA RNC are not split to PDCP SDU, is passed through PDCP PDU are constituted after HSPA PDCP processes processing, and are sent to HSPA RNC rlc layer, packet are sent out by HSPA RNC UE is delivered to, or, HSPARNC sends PDCP SDU to LTE eNB rlc layer, is sent by LTE eNB to UE, at this moment LTE ENB rlc layer possesses the function of encryption and integrity protection.

The above is on a kind of joint transmission side data between HSPA and LTE system (or referred to as access technology) Method, in addition to both systems, can also be applied to the field that other systems (or referred to as access technology) carry out joint data transfer Scape, for example, LTE TDD (Time Division Duplex, time division duplex) and LTE FDD (Frequency Division Duplex, FDD), for another example UMTS (Universal Mobile Telecommunication System, general shifting Dynamic communication system) and LTE.

Based on same inventive concept, the embodiment of the present invention additionally provides another data transmission method, its handling process As shown in Fig. 2 including:

Step S202, user equipment (UE) receive the lower industry that first network side apparatus and the second network side equipment are sent respectively Business data, wherein, first network side apparatus uses the first access technology, and the second network side equipment uses the second access technology;

Step S204, UE sends downlink service data to upper strata after the processing of PDCP processes.

In one embodiment, flow as shown in Figure 2, step S204 is when implementing, and UE passes through downlink service data Sent after the processing of PDCP processes to upper strata, including:

UE receives the Part I downlink service data that first network equipment is sent using the first processing module of itself, profit The Part II downlink service data that second network equipment is sent is received with the Second processing module of itself, wherein, configured in UE There are the first processing module matched with the first access technology, and the Second processing module matched with the second access technology, Wherein, there is data transmission interface between first processing module and Second processing module;

Part I downlink service data and Part II downlink service data are merged processing by UE, and carry out PDCP The processing of process, sends to upper strata.

During implementation, it is preferred that UE merges Part I downlink service data and Part II downlink service data Processing, including:

During using first network side apparatus as anchor point, UE is using first processing module by Part I downlink service data and the Two part downlink service datas are merged.

During implementation, it is preferred that UE merges Part I downlink service data and Part II downlink service data Processing, including:

When the first access technology is LTE, and the second access technology is HSPA, first network side apparatus is LTE eNB, second Network side equipment is HSPA RNC, and downlink service data is PDCP PDU, and first processing module is LTE module, second processing mould Block is HSPA modules, and UE receives Part I PDCP PDU using LTE module, and second is received from HSPA modules using LTE module Part PDCP PDU, therefrom search Part I PDCP PDU and Part II PDCP with identical PDCP sequence numbers SN PDU, the part in addition to PDCP SN is merged, and carries out the operation of PDCP processes, and operation includes decryption, integrality core Look into, header decompression;

Or

When the first access technology is HSPA, and the second access technology is LTE, first network side apparatus is HSPA RNC, the Two network side equipments are LTE eNB, and downlink service data is PDCP PDU, and first processing module is HSPA modules, second processing Module is LTE module, and UE receives Part I PDCP PDU using HSPA modules, and is received using HSPA modules from LTE module Part II PDCP PDU, therefrom search Part I PDCP PDU and Part II PDCP with identical PDCP sequence numbers SN PDU, the part in addition to PDCP SN is merged, and carries out the operation of PDCP processes, and operation includes decryption, integrality core Look into, header decompression, wherein, decryption of the LTE module to data and integrity check operation are carried out in the rlc layer of LTE module.

In one embodiment, flow as shown in Figure 2, step S204 is when implementing, and UE passes through downlink service data Sent after the processing of PDCP processes to upper strata, downlink service data can not also be merged, directly be carried out PDCP processes Sent after processing to upper strata, i.e.,:

UE receives the Part I downlink service data that first network equipment is sent using the first processing module of itself, profit The Part II downlink service data that second network equipment is sent is received with the Second processing module of itself, wherein, configured in UE There are the first processing module matched with the first access technology, and the Second processing module matched with the second access technology, Wherein, there is data transmission interface between first processing module and Second processing module;

UE carries out Part I downlink service data and Part II downlink service data the processing of PDCP processes, and divides Do not send to upper strata.

During implementation, it is preferred that Part I downlink service data and Part II downlink service data are carried out PDCP by UE The processing of process, and upper strata is respectively sent to, including:

During using first network side apparatus as anchor point, UE is using first processing module by first after the processing of PDCP processes Downlink service data and Part II downlink service data is divided to send to upper strata.

UE is now illustrated by Part I downlink service data and Part II downlink service data with specific embodiment The processing of PDCP processes is carried out, including:

When the first access technology is LTE, and the second access technology is HSPA, first network side apparatus is LTE eNB, second Network side equipment is HSPA RNC, and downlink service data is PDCP PDU, and first processing module is LTE module, second processing mould Block is HSPA modules, and UE receives Part I PDCP PDU using LTE module, and receives the from HSPA modules using LTE module Two part PDCP PDU, the operation of PDCP processes, operation bag are carried out to Part I PDCP PDU and Part II PDCP PDU Include decryption, integrity check, header decompression;

Or

When the first access technology is HSPA, and the second access technology is LTE, first network side apparatus is HSPA RNC, the Two network side equipments are LTE eNB, and downlink service data is PDCP PDU, and first processing module is HSPA modules, second processing Module is LTE module, and UE receives Part I PDCP PDU using HSPA modules, and is received using HSPA modules from LTE module Part II PDCP PDU, the operation of PDCP processes, operation are carried out to Part I PDCP PDU and Part II PDCP PDU Including header decompression, wherein, decryption and integrity check operation of the LTE module to data are carried out in the rlc layer of LTE module.

The above is on a kind of joint transmission side data between HSPA and LTE system (or referred to as access technology) Method, in addition to both systems, can also be applied to the field that other systems (or referred to as access technology) carry out joint data transfer Scape, for example, LTE TDDs and LTE FDDs, for another example universal mobile communications technology UMTS and LTE.

Based on same inventive concept, the embodiment of the present invention additionally provides another data transmission method, its handling process As shown in figure 3, including:

Step S302, user equipment (UE) processing uplink business data to be sent;

Step S304, UE is simultaneously using the first network side apparatus using the first access technology with using the second access technology The second network side equipment joint transmission processing after uplink business data.

During implementation, user equipment (UE) processing uplink business data to be sent, including:

During using first network side apparatus as anchor point, uplink business data is split as by UE using the first processing module of itself Two parts, Part I uplink business data is sent to first network side apparatus, Part II uplink business data is sent To the second network side equipment, wherein, it is configured with the first processing module matched with the first access technology in UE, and with second The Second processing module that access technology matches, wherein, there is data transfer between first processing module and Second processing module and connect Mouthful.

Now illustrated by taking a specific embodiment as an example, when the first access technology is Long Term Evolution LTE, the second access When technology is high speed downlink packet access technology HSPA, first network side apparatus is LTE base station eNB, and the second network side equipment is HSPA radio network controller (RNC)s, uplink business data is packet data polymerized protocol service data cell PDCP SDU, first Processing module is LTE module, and Second processing module is HSPA modules, and PDCP SDU are split as first by UE using LTE module Divide PDCP SDU and Part II PDCP SDU, and respectively constitute PDCP PDU, i.e. Part I PDCP PDU and Part II PDCP PDU, are respectively sent to LTE eNB wireless spread-spectrum technology rlc layer and HSPA RNC rlc layer;

Or

When the first access technology is HSPA, and the second access technology is LTE, first network side apparatus is HSPA RNC, the Two network side equipments are LTE eNB, and downlink service data is PDCP SDU, and first processing module is HSPA modules, second processing Module is LTE module, and PDCP SDU are split as Part I PDCP SDU and Part II PDCP by UE using HSPA modules SDU, and PDCP PDU, i.e. Part I PDCP PDU and Part II PDCP PDU are respectively constituted, it is respectively sent to HSPA RNC rlc layer and LTE eNB rlc layer.

During implementation, quality of wireless channel and load of the UE according to the first access technology network corresponding with the second access technology Information is determined to its preferred network side equipment for sending uplink business data.

The above is on a kind of joint transmission side data between HSPA and LTE system (or referred to as access technology) Method, in addition to both systems, can also be applied to the field that other systems (or referred to as access technology) carry out joint data transfer Scape, for example, LTE TDDs and LTE FDDs, for another example universal mobile communications technology UMTS and LTE.

It is clearer for method provided in an embodiment of the present invention is become apparent from illustrating, now carried out by taking LTE and HSPA as an example detailed Describe in detail bright.

UE in the embodiment of the present invention possesses dual mode configuration, and UE can use two kinds of radio communication skills of LTE and HSPA simultaneously Art carries out data transmission on its respective frequency band.UE possesses LTE module and HSPA modules, and two modules independently can be entered respectively Row data transmit-receive works.In addition, inside UE, LTE and HSPA modules can produce the interaction of data.

UE protocol stack structure is as shown in Figure 4.Inside UE, data-transformation facility part is divided into HSPA sides and LTE sides. HSPA sides have the hierarchy of HSPA standards, from top to bottom respectively PDCP layers, rlc layer, MAC layer etc., the function of each layer and Interaction between operation principle and each layer etc. all follows HSPA standards.LTE sides then have the hierarchy of LTE standard, by up to Be respectively PDCP layers down, rlc layer, MAC layer etc., interaction between the function and operation principle and each layer of each layer etc. all follows LTE Standard.Between HSPA sides and LTE sides, there will be the interface of data interaction.Particularly, for the present invention, the PDCP of HSPA sides There is the interface of data interaction between layer and the rlc layer of LTE sides, HSPA PDCP layers can be sent to LTE rlc layer PDCPPDU, LTE rlc layer can also send PDCP PDU to HSPA PDCP layers.Likewise, the PDCP layers and HSPA of LTE sides There is the interface of data interaction between the rlc layer of side, LTE PDCP layers can send PDCP PDU, HSPA to HSPA rlc layer Rlc layer can also send PDCP PDU to LTE PDCP layers.

Scheme one, using LTE eNB as anchor point

Network structure:For the UE being related in the embodiment of the present invention, two kinds of wireless access of LTE and HSPA can be used simultaneously Technology carries out data transmission.So, UE can polymerize LTE and HSPA carrier wave, i.e., in LTE and HSPA with the region covered The data transport service of LTE cells and HSPA cells is obtained simultaneously.The deployment of network is as shown in figure 5, wherein, Cell1 is LTE The cell that eNB is provided, Cell 2 is the cell that HSPA NodeB (i.e. HSPA RNC) are provided, the UE coverings in two cells simultaneously In region, there is interface between LTE eNB and HSPA RNC, can be for carrying out data transmission.Because anchor point is LTE eNB, So only LTE eNB are connected with core net in the program, and HSPA RNC and NodeB are not connected with core net.

If UE is carried out data transmission using LTE and HSPA carrier wave, in the case of using LTE eNB as anchor point simultaneously, The downlink service data for coming from core net arrives first at LTE eNB, and these downlink datas a part of can be sent by eNB To UE, another part is sent to HSPA RNC, then the NodeB for passing through HSPA by eNB and HSPA RNC interface by eNB first It is sent to UE.LTE eNB split into two parts and generation two after the processing by part PDCP SDU by LTE PDCP processes PDCP PDU, are respectively sent to HSPA RNC rlc layer and LTE eNB rlc layer.Wherein, send to HSPA RNC PDCP PDU will be transmitted by the data-interface between HSPA RNC and LTE eNB.It is sent to HSPA RNC rlc layer and LTE The PDCP PDU of eNB rlc layer by the rlc layer of HSPA and LTE both sides, MAC layer, physical layer and will pass through physical channel respectively Send to UE.UE receives the downlink data from HSPA NodeB and LTE eNB by HSPA and LTE physical channel, and The PDCP layers of UE LTE sides are reached by the physical layer, MAC layer, rlc layer of both sides respectively.The PDCP layers of UE LTE sides to from The PDCP PDU of both sides are merged, then the PDCP PDU processing after merging is finally sent to by PDCP processes Layer.Wherein, the PDCP PDU of HSPA sides are come from inside UE to be transferred to by the data-interface between HSPA sides and LTE sides The PDCP layers of LTE sides.

Downlink data transmission flow such as Fig. 6 of scheme one, is described as follows:

Step S601, downlink data packet reach LTE eNB PDCP layers, the processing of PDCP layers of progress PDCP processes;

Step S602, PDCP layer is split to packet, is produced two PDCP PDU, is arrived separately at HSPA's and LTE Rlc layer;

Step S603, two PDCP PDU are sent to UE HSPA sides and the RLC of LTE sides by HSPA and LTE cells respectively Layer;

The PDCP layers of step S604, UE are merged to two PDCP PDU, and on be dealt into upper strata.

If UE is carried out data transmission using LTE and HSPA carrier wave, in the case of using LTE eNB as anchor point simultaneously, UE uplink business data is respectively sent to HSPA NodeB and LTEeNB by the air interface of HSPA sides and LTE sides first, The upstream data of following HSPA and LTE both sides will be sent to LTE eNB by respective physical layer, MAC layer, rlc layer respectively PDCP layers.In LTE eNB PDCP layers, the PDCP PDU from both sides will be merged into a PDCP PDU, then pass through Sent after PDCP layers of PDCP processes processing to upper strata.Similar with previously described descending process, UE upstream data is in PDCP Layer will be split, and be produced two PDCP PDU, be respectively sent to the rlc layer of HSPA sides and LTE sides.For LTE eNB PDCP Layer, receives the PDCP PDU of the rlc layer of rlc layer and LTE eNB from HSPA RNC, then eNB PDCP layers are by two PDCP PDU is merged, and is sent after producing the processing after a PDCP PDU by LTE PDCP processes to upper strata.

Transmitting uplink data flow such as Fig. 7 of scheme one, is described as follows:

Step S701, downlink data packet reach the PDCP layers of UE LTE sides, the processing of PDCP layers of progress PDCP processes;

Step S702, PDCP layer is split to packet, is produced two PDCP PDU, is arrived separately at HSPA sides and LTE The rlc layer of side;

Step S703, two PDCP PDU are sent to LTE eNB and HSPA RNC's by HSPA and LTE cells respectively Rlc layer;

Step S704, LTE eNB PDCP layers are merged to two PDCP PDU, and on be dealt into upper strata.

PDCP is split:In network side, the descender PDCP SDU for coming from upper strata reach LTE eNB PDCP layers, PDCP layers carry out header-compressed (header compression), integrity protection (integrity to part PDCP SDU Protection) and PDCP layers of encryption (ciphering) etc. operation.Next part PDCP SDU are calculated by splitting Method splits into two parts, and distributes identical PDCP SN for this two parts, will respectively be sent out as a PDCP PDU per part It is sent to HSPARNC and LTE eNB rlc layer.

PDCP merges:UE PDCP layers of LTE sides receive two PDCP PDU from HSPA sides and LTE sides rlc layer, if Two PDCP PDU PDCP SN are identical, then can merge parts of the two PDCP PDU in addition to PDCP SN, as one Individual PDCP PDU.(deciphering), completely the PDCP PDU after merging will be decrypted in the PDCP layers of following LTE sides Property verify (integrity verification), the behaviour of PDCP layers of header decompression (header decompression) etc. Make, finally send to upper strata.

In addition to the PDCP layers of mode for carrying out packet fractionation, it can also be come at PDCP layers in the way of packet delivery Realize joint transmission.In LTE eNB PDCP layers, processing of the part PDCP SDU Jing Guo PDCP processes from upper strata, to The rlc layer of HSPA sides or LTE sides is transmitted.PDCP PDU can be born to which side distribution by quality of wireless channel and network The information such as load situation are determined.Specifically, can compare the quality of wireless channel of LTE and HSPA both sides first, PDCP layers will PDCP PDU are sent to the preferable side of quality of wireless channel.

Scheme two, using HSPARNC as anchor point

Network structure;For the UE being related in the embodiment of the present invention, two kinds of wireless access of LTE and HSPA can be used simultaneously Technology carries out data transmission.So, UE can polymerize LTE and HSPA carrier wave, i.e., in LTE and HSPA with the region covered The data transport service of LTE cells and HSPA cells is obtained simultaneously.The deployment of network is as shown in figure 5, wherein, Cell1 is The cell that HSPANodeB is provided, the cell that Cell 2 provides for LTE eNB, UE is in the overlay area of two cells simultaneously, There is interface between LTE eNB and HSPARNC, can be for carrying out data transmission.Because anchor point is HSPARNC, then the party Only HSPA RNC are connected with core net in case, and LTE eNB is not connected with core net.

If UE is carried out data transmission using LTE and HSPA carrier wave, in the case of using HSPA RNC as anchor point simultaneously, The downlink service data for coming from core net arrives first at HSPA RNC, and these downlink datas a part of can pass through HSPA NodeB is sent to UE, and another part is sent to eNB by eNB and HSPA RNC interface by HSPA RNC first, then passes through ENB is sent to UE.HSPA RNC split into two parts after the processing by part PDCP SDU by HSPA PDCP processes and produced Two PDCP PDU, are respectively sent to HSPA RNC rlc layer and LTE eNB rlc layer.Wherein, send to LTE eNB's PDCP PDU will be transmitted by the data-interface between HSPA RNC and LTE eNB.Be sent to HSPA RNC rlc layer and The PDCP PDU of LTE eNB rlc layer by the rlc layer of HSPA and LTE both sides, MAC layer, physical layer and will pass through physics respectively Channel is sent to UE.UE receives the downlink data from HSPANodeB and LTE eNB by HSPA and LTE physical channel, And the PDCP layers of UE LTE sides are reached by the physical layer, MAC layer, rlc layer of both sides respectively.The PDCP layers of UE HSPA sides are right PDCP PDU from both sides are merged, then the PDCP PDU processing after merging is finally sent by PDCP processes To upper strata.Wherein, the PDCP PDU of LTE sides are come from inside UE to be transmitted by the data-interface between HSPA sides and LTE sides To the PDCP layers of HSPA sides.In addition, HSPA PDCP layers do not possess security function, reach LTE RLC's from HSPA PDCP layers PDCP PDU need the security function by LTE technologies to be sent to LTE rlc layer after handling.So, for the program, LTE rlc layer will be provided with encryption (ciphering), decryption (deciphering) and to chain of command (control plane) number According to integrity protection (integrity protection and integrity verification) function, it is described here LTE rlc layer includes the rlc layer of LTE eNB and UE LTE sides.Wherein, encryption (ciphering), decryption And integrity protection (integrity protection and integrity verification) work((deciphering) Energy can be consistent with the encryption in 3GPP LTE PDCP layer standards, decryption and integrity protection function, can also be inconsistent. Specifically, for descending, in transmitting terminal, when LTE rlc layers (eNB ends) receive the RLC SDU of the PDCP layers from HSPA RNC When, the processing of ciphering and integrity protection functions is carried out first, and other mistakes of rlc layer are then carried out again Journey.In receiving terminal, before LTE rlc layers (UE ends) send PDCP PDU to PDCP layers of HSPA, RLC SDU are carried out The processing of integrity verification and deciphering functions.

Downlink data transmission flow such as Fig. 8 of scheme two, is described as follows:

Step S801, downlink data packet reach HSPA RNC PDCP layers, the processing of PDCP layers of progress PDCP processes;

Step S802, PDCP layer packet is split, produce two PDCP PDU, arrive separately at HSPA RNC with LTE eNB rlc layer;

Step S803, two PDCP PDU are sent to UE HSPA sides and the RLC of LTE sides by HSPA and LTE cells respectively Layer, the rlc layer of LTE sides carries out the processing of security function;

Step S804, HSPA RNC PDCP layers are merged to two PDCP PDU, and on be dealt into upper strata.

If UE is carried out data transmission using LTE and HSPA carrier wave, in the case of using HSPARNC as anchor point simultaneously, UE uplink business data is respectively sent to HSPA NodeB and LTE eNB by the air interface of HSPA sides and LTE sides first, The upstream data of following HSPA and LTE both sides will be sent to HSPA RNC by respective physical layer, MAC layer, rlc layer respectively PDCP layers.In HSPA RNC PDCP layers, the PDCP PDU from both sides will be merged into a PDCP PDU, then pass through Sent after PDCP layers of PDCP processes processing to upper strata.Similar with previously described descending process, UE upstream data is in HSPA The PDCP layers of side will be split, and be produced two PDCP PDU, be respectively sent to the rlc layer of HSPA sides and LTE sides.For HSPA RNC PDCP layers, receive the PDCPPDU of the rlc layer of rlc layer and LTE eNB from HSPA RNC, then HSPARNC's PDCP layers merge two PDCPPDU, send supreme after producing the processing after a PDCP PDU by HSPA PDCP processes Layer.It is similar with descending process, LTE rlc layer (including eNB rlc layer and UE LTE sides rlc layer) upstream data also will With encryption (ciphering), decryption (deciphering) and integrity protection (integrity protection and Integrity verification) function.Specifically, for up, in transmitting terminal, coming when LTE rlc layers (UE ends) are received From the RLC SDU of PDCP layers of HSPA sides when, the processing of ciphering and integrity protection functions is carried out first, Then other processes of rlc layer are carried out again.In receiving terminal, LTE rlc layers (eNB ends) send PDCP to HSPA RNC PDCP layers Before PDU, the processing of integrity verification and deciphering functions is carried out to RLC SDU.

Transmitting uplink data flow such as Fig. 9 of scheme two, is described as follows:

Step S901, downlink data packet reach the PDCP layers of UE HSPA sides, the processing of PDCP layers of progress PDCP processes;

Step S902, PDCP layer is split to packet, is produced two PDCP PDU, is arrived separately at HSPA sides and LTE The rlc layer of side;

Step S903, two PDCP PDU are sent to LTE eNB and HSPA RNC's by HSPA and LTE cells respectively Rlc layer, LTE eNB rlc layer carries out the processing of security function;

Step S904, HSPA RNC PDCP layers are merged to two PDCP PDU, and on be dealt into upper strata.

PDCP is split:In network side, the descender PDCP SDU for coming from upper strata reach HSPA RNC PDCP layers, PDCP layers PDCP layers of header-compressed (header compression) etc. is carried out to part PDCP SDU operation.Next will Part PDCP SDU split into two parts by splitting algorithm, and distribute identical PDCP SN for this two parts, per part HSPA RNC and LTE eNB rlc layer will be separately sent to as a PDCP PDU.

PDCP merges:The PDCP layers of UE HSPA sides receive two PDCPPDU from HSPA sides and LTE sides rlc layer, such as Really two PDCP PDU PDCP SN are identical, then can merge parts of the two PDCP PDU in addition to PDCP SN, turn into One PDCP PDU.The PDCP layers of following HSPA sides will carry out header decompression (header to the PDCP PDU after merging ) etc. decompression PDCP layers of operation, finally sends to upper strata.

It is similar with scheme one, can also be at PDCP layers with data in addition to the PDCP layers of mode for carrying out packet fractionation The mode of distribution is wrapped to realize joint transmission.In HSPA RNC PDCP layers, the part PDCP SDU from upper strata pass through PDCP The processing of process, is transmitted to the rlc layer of HSPA sides or LTE sides.PDCP PDU can be by wireless communication to which side distribution The information such as road quality and network load condition is determined.Specifically, the wireless channel matter of LTE and HSPA both sides can be compared first Amount, PDCP PDU are sent to the preferable side of quality of wireless channel by PDCP layers.

When LTE/HSPA PDCP layers are split to part PDCP SDU, the ratio of fractionation will be determined, that is, determine to send extremely The PDCP PDU of HSPA rlc layers and LTE rlc layers size.The ratio of fractionation is by by the wireless channel matter of LTE and HSPA both sides Amount and load information etc. are determined.

The ratio split according to these parameters, PDCP layers of decision, specific method is as follows:

, will for the channel quality side relatively low preferably with load in LTE sides or HSPA the PDCP layers surveyed are split It is allocated larger primary contract.Specifically, LTE and HSPA two parts PDCP SDU size is after splitting:

Wherein, SLTEAnd SHSPAThe part PDCP SDU of LTE sides and HSPA sides size, Q are allocated to respectivelyLTEEAnd QHSPA It is the quality of wireless channel of LTE sides and HSPA sides, L respectivelyLTEAnd LHSPAIt is the load of LTE and HSPA base stations, P respectively1And P2Point It is not quality of wireless channel and the weight shared by network load when calculating primary contract.QLTEAnd QHSPAIt is by wireless channel The result for measuring and obtaining, LLTEAnd LHSPA.The value of quality of wireless channel is bigger it can be seen from the expression formula, and network is born Carry smaller, then can obtain bigger data distribution ratio.

The above is, on a kind of joint transmission mode between HSPA and LTE system, in addition to both systems, may be used also With the scene applied to other system combined transmission, illustrated by taking following scenes as an example.

The scene of 1LTE TDD systems and LTE FDD system joint transmissions.

UE possesses while supporting the ability of LTE two kinds of access technologies of TDD and FDD, and LTE TDD and LTE FDD eNB is same When dispose, UE carries out data transmit-receive with TDD modes and FDD modes respectively on TDD carrier waves and FDD carrier waves.The scene equally may be used To there is two schemes, i.e., it is anchor point and using FDD eNB as anchor point using TDD eNB.

Scheme one:TDD eNB are anchor point.For carrying out the UE under TDD eNB and FDD eNB joint transmissions, downlink data TDD eNB are reached by core net, TDD eNB PDCP layers carry out packet fractionation or distribution, reach TDD eNB and (or) FDD eNB rlc layer.The fractured operation of packet is that the part PDCP SDU being described above are split into two Point, two PDCP PDU are constituted, TDD eNB and FDD eNB are separately sent to, the ratio of fractionation will be by TDD eNB and FDD eNB The information such as the quality of wireless channel and network load of both sides are determined.The distribution of packet is TDD eNB PDCP layers should PDCP PDU are sent to TDD eNB rlc layer or FDD eNB rlc layer.It is specific split and distribution method and above HSPA and The description of LTE joint transmissions is consistent.

Scheme two:FDD eNB are anchor point.For carrying out the UE under TDD eNB and FDD eNB joint transmissions, downlink data FDD eNB are reached by core net, the fractionation or distribution of packet is carried out in FDD eNB PDCP layers, reaches TDD eNB And (or) FDD eNB rlc layer.

If the PDCP layers of transmitting terminal are split part PDCP SDU, how receiving terminal will be to identical PDCP SN PDCP PDU are merged, specific to merge mode as mentioned before.

2UMTS home NodeB (Home eNodeB) and LTE home eNB (family's evolved base station) joint transmission Scene.

UE possesses while supporting the ability of two kinds of access technologies of UMTS and LTE, UMTS home NodeB and LTE eNB Dispose simultaneously, UE carries out data receipts with UMTS working method and LTE working method respectively on UMTS carrier waves and LTE carrier waves Hair.Consistent with previously described joint transmission, the scene can also have two schemes, i.e., using UMTS home NodeB as anchor point With using LTE home eNB as anchor point, the fractionation or distribution of packet will be also carried out at PDCP layers.If transmitting terminal is to part PDCP SDU are split, then PDCP PDU union operation is then carried out in receiving terminal.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of network side equipment, and its structural representation is as schemed Shown in 10, including:

First receiving module 1001, for receiving the downlink service data from core net;

First sending module 1002, for combining other network side equipments different from the access technology of itself use by under Row business datum is sent to user equipment (UE).

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of user equipment (UE), and its structural representation is as schemed Shown in 11, including:

Second receiving module 1101, for receiving first network side apparatus and that the second network side equipment is sent respectively is descending Business datum, wherein, first network side apparatus uses the first access technology, and the second network side equipment uses the second access technology;

Second sending module 1102, for by downlink service data by packet data polymerized agreement PDCP processes processing after Send to upper strata.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of user equipment (UE), and its structural representation is as schemed Shown in 12, including:

Processing module 1201, the uplink business data to be sent for handling;

3rd sending module 1202, for using the first network side apparatus using the first access technology and using the simultaneously Uplink business data after the second network side equipment joint transmission processing of two access technologies.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of network side equipment, and its structural representation is as schemed Shown in 13, including:

3rd receiving module 1301, the first uplink business data for receiving user equipment (UE) transmission, and from the second net The second uplink business data of the second network side equipment reception is obtained in network side apparatus, itself uses the first access technology, second Network side equipment uses the second access technology, and itself has data transmission interface between the second network side equipment;

Merging module 1302, sends out for being merged to the first uplink business data and the second uplink business data after processing Deliver to upper strata.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of data transmission system, and its structural representation is such as Shown in Figure 14, including first network side apparatus 1401, the second network side equipment 1402 and user equipment (UE) 1403:

First network side apparatus 1401, for receiving the downlink service data from core net, first network side apparatus 1401 use the first access technology;Joint is with the second network side equipment 1402 using the second access technology by downlink service data Send to UE1403;

Second network side equipment 1402, sends downlink service data to UE with first network side apparatus 1401 for combining 1403;

UE 1403, for receiving downlink service data.

Based on same inventive concept, the embodiment of the present invention additionally provides a kind of data transmission system, and its structural representation is such as Shown in Figure 14, including first network side apparatus 1401, the second network side equipment 1402 and user equipment (UE) 1403:

UE 1403, the uplink business data to be sent for handling;Utilize the first network side using the first access technology Equipment 1401 combines the uplink business data after transmission processing with the second network side equipment 1402 using the second access technology;

First network side apparatus 1401, for combining transmission with using the second network side equipment 1402 of the second access technology Uplink business data after processing;

Second network side equipment 1402, for combining transmission with using the first network side apparatus 1401 of the first access technology Uplink business data after processing.

As can be seen from the above description, the present invention realizes following technique effect:

In embodiments of the present invention, combined using the network side equipment of different access technologies and send downlink business to UE, I.e., it is possible to carry out data transmission using different types of carrier wave simultaneously, expand UE bandwidth of operation, increase transmission rate, meet The radio services of high request, can not only improve the handling capacity of user terminal, additionally it is possible to network is obtained load balancing Effect.

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

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

Claims (27)

1. a kind of data transmission method, it is characterised in that including:
First network side apparatus receives the downlink service data from core net, and the first network side apparatus is using the first access Technology;
First network side apparatus joint and the second network side equipment using the second access technology are by the downlink business number According to transmission to user equipment (UE);
Wherein, under the first network side apparatus is combined and itself will be described using the second network side equipment of different access technologies Row business datum is sent to user equipment (UE), including:During using the first network side apparatus as anchor point, the first network side is set It is standby that the downlink service data is split as two parts, Part I downlink service data is sent to the UE, by second Downlink service data is divided to send to second network side equipment, it is by second network side equipment that the Part II is descending Business datum is sent to the UE;Wherein, there is data transfer between the first network side apparatus and the second network side equipment to connect Mouthful.
2. according to the method described in claim 1, it is characterised in that when first access technology is Long Term Evolution LTE, When second access technology is high speed downlink packet access technology HSPA, the first network side apparatus is LTE base station eNB, Second network side equipment is HSPA radio network controller (RNC)s, and the downlink service data is packet data polymerized agreement The PDCP SDU are split as Part I PDCP SDU and second by Service Data Unit PDCP SDU, the LTE eNB Divide PDCP SDU, and respectively constitute the protocol Data Unit PDCP PDU of packet data polymerized agreement, i.e. Part I PDCP PDU and Part II PDCP PDU, be respectively sent to itself wireless spread-spectrum technology rlc layer and the HSPA RNC rlc layer; The LTE eNB send the Part I PDCP PDU to the UE, and the HSPA RNC are by Part II PDCP PDU Send to the UE;
Or
When first access technology is HSPA, and second access technology is LTE, the first network side apparatus is HSPA RNC, second network side equipment is LTE eNB, and the downlink service data is PDCP SDU, and the HSPA RNC will be described PDCP SDU are split as Part I PDCP SDU and Part II PDCP SDU, and respectively constitute PDCP PDU, i.e., first Point PDCP PDU and Part II PDCP PDU, be respectively sent to itself rlc layer and the LTE eNB rlc layer;It is described The Part I PDCP PDU are sent to the UE, the LTE eNB and send the PDCP PDU of part the 2nd by HSPA RNC To the UE.
3. method according to claim 2, it is characterised in that the PDCP SDU are split as first by the LTE eNB PDCP SDU and the 2nd PDCP SDU, including:
The LTE eNB carry out PDCP layers of operation to the PDCP SDU, and the operation includes header-compressed, integrity protection And encryption;
PDCP SDU by described PDCP layers of operation are split as the first PDCP SDU according to default fractionation algorithm With the Part II PDCP SDU, and for the Part I PDCP SDU it is identical with the Part II PDCP SDU distribution PDCP sequence numbers SN.
4. the method according to claim any one of 1-3, it is characterised in that the first network side apparatus will be described descending Business datum is split as two parts, including:The first network side apparatus connects according to first access technology with described second The quality of wireless channel and load information for entering the corresponding network of technology determine the primary contract of the downlink service data.
5. according to the method described in claim 1, it is characterised in that the first network side apparatus joint is from itself using different Second network side equipment of access technology sends the downlink service data to user equipment (UE), including:
During using the first network side apparatus as anchor point, the first network side apparatus sends the downlink service data to institute UE is stated, or the downlink service data is sent to second network side equipment, by second network side equipment by institute Downlink service data is stated to send to the UE;Wherein, there are data between the first network side apparatus and the second network side equipment Coffret.
6. method according to claim 5, it is characterised in that when first access technology is Long Term Evolution LTE, When second access technology is high speed downlink packet access technology HSPA, the first network side apparatus is LTE base station eNB, Second network side equipment is HSPA radio network controller (RNC)s, and the downlink service data is packet data polymerized agreement Service Data Unit PDCP SDU, the LTE eNB are not split to the PDCP SDU, after LTE PDCP processes processing PDCP PDU are constituted, and are sent to LTE eNB rlc layer, UE is sent data packets to by LTE eNB, or, the LTE ENB sends the PDCP PDU to HSPA RNC rlc layer, is sent by the HSPA RNC to the UE;
Or
When first access technology is HSPA, and second access technology is LTE, the first network side apparatus is HSPA RNC, second network side equipment is LTE eNB, and the downlink service data is PDCP SDU, and the HSPA RNC are to described PDCP SDU are not split, and PDCP PDU are constituted after HSPA PDCP processes processing, and are sent to HSPA RNC rlc layer, UE is sent data packets to by HSPA RNC, or, the HSPA RNC send the PDCP SDU to LTE eNB RLC Layer, is sent to the UE by the LTE eNB, and at this moment the rlc layer of the LTE eNB possesses the work(of encryption and integrity protection Energy.
7. the method according to claim 1,5 or 6, it is characterised in that first access technology and the second access technology Including one of following:
LTE、HSPA;
LTE TDDs, LTE FDDs;
Universal mobile communications technology UMTS, LTE.
8. a kind of data transmission method, it is characterised in that including:
User equipment (UE) receives the downlink service data that first network side apparatus and the second network side equipment are sent respectively, wherein, The first network side apparatus uses the first access technology, and second network side equipment uses the second access technology;Described When the downlink service data that one network side equipment is sent is included using the first network side apparatus as anchor point, the first network side The downlink service data is split as two parts by equipment, and Part I downlink service data is sent to the data of the UE; The downlink service data that second network side equipment is sent includes sending Part II downlink service data to described second Network side equipment, is sent the Part II downlink service data to the data of the UE by second network side equipment; Wherein, there is data transmission interface between the first network side apparatus and the second network side equipment;
The UE sends the downlink service data to upper strata after the processing of packet data polymerized agreement PDCP processes.
9. method according to claim 8, it is characterised in that the downlink service data is passed through PDCP processes by the UE Sent after processing to upper strata, including:
The UE receives the Part I downlink business number that the first network equipment is sent using the first processing module of itself According to, the Part II downlink service data that second network equipment is sent is received using the Second processing module of itself, wherein, Be configured with the first processing module matched with first access technology in the UE, and with the second access technology phase The Second processing module of matching, wherein, there is data transmission interface between the first processing module and the Second processing module;
The Part I downlink service data and the Part II downlink service data are merged processing by the UE, and The processing of PDCP processes is carried out, is sent to upper strata.
10. method according to claim 9, it is characterised in that the UE by the Part I downlink service data and The Part II downlink service data merges processing, including:
During using the first network side apparatus as anchor point, the UE is descending by the Part I using the first processing module Business datum and the Part II downlink service data are merged.
11. method according to claim 10, it is characterised in that the UE by the Part I downlink service data and The Part II downlink service data merges processing, including:
When first access technology is LTE, and second access technology is HSPA, the first network side apparatus is LTE ENB, second network side equipment is HSPA RNC, and the downlink service data is PDCP PDU, the first processing module For LTE module, the Second processing module is HSPA modules, and the UE receives Part I PDCP using the LTE module PDU, and Part II PDCP PDU are received from the HSPA modules using the LTE module, searching has identical PDCP sequences Number SN Part I PDCP PDU and Part II PDCP PDU, the part in addition to the PDCP SN is merged, and The operation of PDCP processes is carried out, the operation includes decryption, integrity check, header decompression;
Or
When first access technology is HSPA, and second access technology is LTE, the first network side apparatus is HSPA RNC, second network side equipment is LTE eNB, and the downlink service data is PDCP PDU, and the first processing module is HSPA modules, the Second processing module is LTE module, and the UE receives Part I PDCP using the HSPA modules PDU, and Part II PDCP PDU are received from the LTE module using the HSPA modules, searching has identical PDCP sequences Number SN Part I PDCP PDU and Part II PDCP PDU, the part in addition to the PDCP SN is merged, and The operation of PDCP processes is carried out, the operation includes header decompression, wherein, the LTE module is to the decryption of data and complete Property verify operation the LTE module rlc layer carry out.
12. method according to claim 8, it is characterised in that the downlink service data is passed through PDCP mistakes by the UE Sent after journey processing to upper strata, including:
The UE receives the Part I downlink business number that the first network equipment is sent using the first processing module of itself According to, the Part II downlink service data that second network equipment is sent is received using the Second processing module of itself, wherein, Be configured with the first processing module matched with first access technology in the UE, and with the second access technology phase The Second processing module of matching, wherein, there is data transmission interface between the first processing module and the Second processing module;
The Part I downlink service data and the Part II downlink service data are carried out PDCP processes by the UE Processing, and it is respectively sent to upper strata.
13. method according to claim 12, it is characterised in that the UE by the Part I downlink service data and The Part II downlink service data carries out the processing of PDCP processes, and is respectively sent to upper strata, including:
During using the first network side apparatus as anchor point, after the UE will be handled using the first processing module through PDCP processes The Part I downlink service data and the Part II downlink service data send to upper strata.
14. method according to claim 13, it is characterised in that the UE by the Part I downlink service data and The Part II downlink service data carries out the processing of PDCP processes, including:
When first access technology is Long Term Evolution LTE, second access technology is high-speed slender body theory skill During art HSPA, the first network side apparatus is LTE base station eNB, and second network side equipment is HSPA wireless network controls Device RNC, the downlink service data for packet data polymerized agreement Protocol Data Units Section PDCP PDU, at described first Reason module is LTE module, and the Second processing module is HSPA modules, and the UE receives Part I using the LTE module PDCP PDU, and Part II PDCP PDU are received from the HSPA modules using the LTE module, to the Part I PDCP PDU and the Part II PDCP PDU carry out the operation of PDCP processes, the operation include decryption, integrity check, Header decompression;
Or
When first access technology is HSPA, and second access technology is LTE, the first network side apparatus is HSPA RNC, second network side equipment is LTE eNB, and the downlink service data is PDCP PDU, and the first processing module is HSPA modules, the Second processing module is LTE module, and the UE receives Part I PDCP using the HSPA modules PDU, and Part II PDCP PDU are received from the LTE module using the HSPA modules, to the Part I PDCP The PDU and Part II PDCP PDU carries out the operation of PDCP processes, and the operation includes header decompression, wherein, it is described Decryption and integrity check operation of the LTE module to data are carried out in the rlc layer of the LTE module.
15. the method according to claim any one of 8-14, it is characterised in that first access technology and the second access Technology includes one of following:
LTE、HSPA;
LTE TDDs, LTE FDDs;
Universal mobile communications technology UMTS, LTE.
16. a kind of data transmission method, it is characterised in that including:
User equipment (UE) processing uplink business data to be sent;
The UE utilizes the first network side apparatus using the first access technology and the second net using the second access technology simultaneously Uplink business data after network side apparatus joint transmission processing;
Wherein, the user equipment (UE) handles uplink business data to be sent, including:Using the first network side apparatus as anchor During point, the uplink business data is split as two parts by the UE using the first processing module of itself, by Part I Row business datum is sent to the first network side apparatus, and Part II uplink business data is sent to second network side Equipment, wherein, it is configured with the first processing module matched with first access technology in the UE, and with described second The Second processing module that access technology matches, wherein, there is number between the first processing module and the Second processing module According to coffret.
17. method according to claim 16, it is characterised in that when first access technology is Long Term Evolution LTE, when second access technology is high speed downlink packet access technology HSPA, the first network side apparatus is LTE base station ENB, second network side equipment is HSPA radio network controller (RNC)s, and the uplink business data is packet data polymerized Protocol service data cell PDCP SDU, the first processing module is LTE module, and the Second processing module is HSPA moulds The PDCP SDU are split as Part I PDCP SDU and Part II PDCP by block, the UE using the LTE module SDU, and respectively constitute the protocol Data Unit PDCP PDU of packet data polymerized agreement, i.e. Part I PDCP PDU and second Part PDCP PDU, are respectively sent to the wireless spread-spectrum technology rlc layer of the LTE eNB and the rlc layer of the HSPA RNC;
Or
When first access technology is HSPA, and second access technology is LTE, the first network side apparatus is HSPA RNC, second network side equipment is LTE eNB, and the downlink service data is PDCP SDU, and the first processing module is HSPA modules, the Second processing module is LTE module, and the PDCP SDU are split as by the UE using the HSPA modules Part I PDCP SDU and Part II PDCP SDU, and respectively constitute PDCP PDU, i.e. Part I PDCP PDU and Two part PDCP PDU, are respectively sent to HSPA RNC rlc layer and the rlc layer of the LTE eNB.
18. method according to claim 17, it is characterised in that the UE is by the Part I PDCP SDU and second Part PDCP SDU, are respectively sent to HSPA RNC rlc layer and the rlc layer of the LTE eNB, including:
The UE is according to the quality of wireless channel of first access technology network corresponding with second access technology and negative Information carrying breath determines preferably to send the network side equipment of the uplink business data to it.
19. the method according to claim any one of 16-18, it is characterised in that first access technology and second connects Enter technology including one of following:
LTE、HSPA;
LTE TDDs, LTE FDDs;
Universal mobile communications technology UMTS, LTE.
20. a kind of data transmission method, it is characterised in that including:
First network side apparatus receives the first uplink business data that user equipment (UE) is sent, and is obtained from the second network side equipment The second uplink business data for taking second network side equipment to receive, the first network side apparatus is using the first access skill Art, second network side equipment is used between the second access technology, and the first network side apparatus and the second network side equipment There is data transmission interface;
The first network side apparatus merges place to first uplink business data and second uplink business data Sent after reason to upper strata.
21. method according to claim 20, it is characterised in that when first access technology is Long Term Evolution LTE, when second access technology is high speed downlink packet access technology HSPA, the first network side apparatus is LTE base station ENB, second network side equipment is HSPA radio network controller (RNC)s, first uplink business data and described second Uplink business data is respectively Part I PDCP PDU and Part II PDCP PDU, and the LTE eNB, which are therefrom searched, to be had Identical PDCP sequence numbers SN Part I PDCP PDU and Part II PDCP PDU, by the portion in addition to the PDCP SN Divide and merge, and carry out the operation of PDCP processes, the operation includes decryption, integrity check, header decompression;
Or
When first access technology is HSPA, and second access technology is LTE, the first network side apparatus is HSPA RNC, second network side equipment is LTE eNB, first uplink business data and second uplink business data point Not Wei Part I PDCP PDU and Part II PDCP PDU, the HSPA RNC are therefrom searched with identical PDCP SN's Part I PDCP PDU and Part II PDCP PDU, the part in addition to the PDCP SN is merged, and carries out The operation of PDCP processes, the operation includes header decompression, decryption and integrity check of the LTE eNB sides to data Operate the rlc layer progress in LTE eNB.
22. a kind of network side equipment, it is characterised in that including:
First receiving module, for receiving the downlink service data from core net;
First sending module, for combining other network side equipments different from the access technology of itself use by the lower industry Business data are sent to user equipment (UE);
Wherein, when first sending module is additionally operable to using the network side equipment as anchor point, the network side equipment will be described Downlink service data is split as two parts, and Part I downlink service data is sent to the UE, by industry under Part II Business data are sent to other described network side equipments, by other described network side equipments by the Part II downlink service data Send to the UE;Wherein, there is data transmission interface between the network side equipment and other described network side equipments.
23. a kind of user equipment (UE), it is characterised in that including:
Second receiving module, for receiving the downlink business number that first network side apparatus and the second network side equipment are sent respectively According to, wherein, the first network side apparatus uses the first access technology, and second network side equipment is using the second access skill Art;
Second sending module, for the downlink service data to be sent after the processing of packet data polymerized agreement PDCP processes To upper strata;
Wherein, the downlink service data that the first network side apparatus is sent is included using the first network side apparatus as anchor point When, the downlink service data is split as two parts by the first network side apparatus, and Part I downlink service data is sent out Deliver to the data of the UE;The downlink service data that second network side equipment is sent is included Part II downlink business number According to sending to second network side equipment, the Part II downlink service data is sent by second network side equipment To the data of the UE;Wherein, there is data transmission interface between the first network side apparatus and the second network side equipment.
24. a kind of user equipment (UE), it is characterised in that including:
Processing module, the uplink business data to be sent for handling;
3rd sending module, for simultaneously using the first network side apparatus using the first access technology with accessing skill using second Uplink business data after the second network side equipment joint transmission processing of art;
When the processing module is additionally operable to using the first network side apparatus as anchor point, the UE utilizes the first processing mould of itself The uplink business data is split as two parts by block, and Part I uplink business data is sent to the first network side and set It is standby, Part II uplink business data is sent to second network side equipment, wherein, it is configured with the UE and described The first processing module that one access technology matches, and the Second processing module matched with second access technology, its In, there is data transmission interface between the first processing module and the Second processing module.
25. a kind of network side equipment, it is characterised in that including:
3rd receiving module, the first uplink business data for receiving user equipment (UE) transmission, and from the second network side equipment Middle to obtain the second uplink business data that second network side equipment is received, itself uses the first access technology, described second Network side equipment uses the second access technology, and itself has data transmission interface between the second network side equipment;
Merging module, sends out for being merged to first uplink business data and second uplink business data after processing Deliver to upper strata.
26. a kind of data transmission system, it is characterised in that set including first network side apparatus, the second network side equipment and user Standby UE:
The first network side apparatus, for receiving the downlink service data from core net, the first network side apparatus is adopted Use the first access technology;Joint with using the second access technology the second network side equipment by the downlink service data send to UE;
Second network side equipment, sends the downlink service data to institute with the first network side apparatus for combining State UE;
The UE, for receiving the downlink service data;
Wherein, when the first network side apparatus is additionally operable to using the first network side apparatus as anchor point, the first network side The downlink service data is split as two parts by equipment, Part I downlink service data is sent to the UE, by second Part downlink service data is sent to second network side equipment, by second network side equipment by under the Part II Row business datum is sent to the UE;Wherein, there is data transfer between the first network side apparatus and the second network side equipment Interface.
27. a kind of data transmission system, it is characterised in that set including first network side apparatus, the second network side equipment and user Standby UE:
The UE, the uplink business data to be sent for handling;Utilize the first network side apparatus using the first access technology Combine the uplink business data after transmission processing with the second network side equipment using the second access technology;
The first network side apparatus, for combining with the second network side equipment using the second access technology after transmission processing Uplink business data;
Second network side equipment, for combining with the first network side apparatus using the first access technology after transmission processing Uplink business data;
When the first network side apparatus is additionally operable to using the first network side apparatus as anchor point, the first network side apparatus will Downlink service data is split as two parts, and Part I downlink service data is sent to the UE, by industry under Part II Business data are sent to second network side equipment, by second network side equipment by the Part II downlink service data Send to the UE;Wherein, there is data transmission interface between the first network side apparatus and the second network side equipment.
CN201110108910.8A 2011-04-28 2011-04-28 Data transmission method, equipment and system CN102761904B (en)

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