CN102647265B - A kind of method for setting up evolved packet system carrying and base station - Google Patents
A kind of method for setting up evolved packet system carrying and base station Download PDFInfo
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- CN102647265B CN102647265B CN201110040457.1A CN201110040457A CN102647265B CN 102647265 B CN102647265 B CN 102647265B CN 201110040457 A CN201110040457 A CN 201110040457A CN 102647265 B CN102647265 B CN 102647265B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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Abstract
The invention discloses a kind of method and device for setting up evolved packet system EPS carryings, this method includes：The affiliated first base stations of UE are that UE sets up the first EPS carryings based on the first CC, and the first EPS is carried as the EPS carryings between the first base station and UE；The first base station indicates that the second base station is that UE sets up the 2nd EPS carryings based on the 2nd CC, and the 2nd EPS is carried as the EPS carryings between second base station and UE.Different frequency range carrier-wave transmission data of the polymerization from the affiliated first base stations of UE Yu the second base station belonging to UE are realized the invention enables UE, the handling capacity that UE transmits data is improved.
Description
Technical field
The present invention relates to communication technical field, more particularly to one kind sets up evolved packet system (EPS, Evolved
Packet System) carrying method and base station.
Background technology
In order to support up to 1Gbits/s peak data rate to transmit in a communications system, at present in long evolving system
In (LTE, Long Term Evolution), expansion is used as using carrier convergence (CA, CarrierAggregation) technology
The method for opening up EPS bandwidth.The main thought of CA technologies is exactly by multiple component carriers (CC, Component Carrier) convergence
Into the carrier wave of a large bandwidth, to support the data transfer of high-speed, Fig. 1 to be that prior art uses CA technical transmissions data institute
The bandwidth structural representation of use, as illustrated, employing 5 20MHz carrier wave for transmitting the downstream channel bandwidth of data
Convergence is formed, including carrier wave 1, carrier wave 2, carrier wave 3, carrier wave 4 and carrier wave 5, it will be understood that this gathers carrier wave can be on frequency domain
It is continuous or discrete.
CA can be divided into two types, and one kind is in-band carrier convergence (intra-band CA), and another different interbands are carried
Ripple converges (inter-band CA).For intra-band CA, because multiple carrier waves of convergence are in identical frequency band, so its
The coverage of data transfer is consistent.For inter-bandCA, because multiple carrier waves of convergence are in different frequency bands,
When differing distant between the frequency range shared by frequency band, the coverage difference of its data transfer is just than larger, in general,
The carrier wave coverage of low-frequency range is big, and the carrier wave coverage of high band is smaller.As shown in Fig. 2 Fig. 2 is prior art
Different carrier wave coverage schematic diagrames under inter-band CA, the scope that white space is covered by 800Mhz carrier waves, filling
The scope that region is covered by 3Ghz carrier waves, it can be seen that the scope that 3Ghz carrier waves are covered is less than 800Mhz carrier waves and covered
The scope of lid.
If figure it is seen that user equipment (UE, User Equipment) is in the central area of cell, then UE
The high frequency carrier and low frequency carrier signal transmission data in inter-band CA can be used simultaneously, still, if UE moves to cell
Edge zone, then UE can not use the carrier-wave transmission data of high frequency, the UE of cell edge is transmitted compared to the UE of center of housing estate
The handling capacity of data can decline a lot.
Therefore, in order to improve the handling capacity that cell edge UE transmits data, the coverage of high frequency carrier is expanded, in cell
Network side can expand the coverage of high frequency carrier, prior art as shown in Figure 3 using relay station (RN, relay Node)
Expand the coverage schematic network structure of high frequency carrier, two RN of increase, which continue, uses the data of high frequency carrier transmission, from
And expand the coverage of high frequency carrier.But, even if expanding the coverage of high frequency carrier using RN, in cell edge
UE is if it is intended to simultaneously using high band and the component carrier of low-frequency range, UE still needs load of the polymerization from two different websites
The carrier wave of ripple, i.e. low-frequency range comes from macro base station (DeNB, Donor eNodeB), and the carrier wave of high band comes from RN.Referred to herein as
Carrier convergence (inter-site CA) between different websites.
Therefore, how UE realizes that polymerization, from DeNB carrier-wave transmission data different from RN's, improves gulping down for UE transmission data
The amount of telling, enhancing UE experience is a urgent problem to be solved.
The content of the invention
The embodiment of the present invention provides a kind of method for setting up EPS carryings and base station so that UE can be realized between different websites
Carrier convergence.
What the technical scheme was realized in：
A kind of method for setting up evolved packet system EPS carryings, this method includes：
Possess the carryings of the first EPS based on the first component carrier CC the affiliated first base station of user equipment (UE) be defined as it is described
UE sets up the 2nd EPS carryings based on the 2nd CC；
The first base station is initiated as the process that the UE sets up the 2nd EPS carryings.
A kind of method for setting up EPS carryings, this method includes：
The affiliated first base stations of UE are that UE sets up the first EPS carryings based on the first CC, and the first EPS is carried as described the
EPS carryings between one base station and UE；
The first base station indicates that the second base station is that UE sets up the 2nd EPS carryings based on the 2nd CC, and the 2nd EPS is held
Carry as the EPS carryings between second base station and UE.
A kind of base station, including：
Determining unit, for being defined as possessing the first evolved packet system EPS carryings based on the first component carrier CC
User equipment (UE) sets up the 2nd EPS carryings based on the 2nd CC, and triggers initiation unit；
The initiation unit, the process of the 2nd EPS carryings is set up for being initiated as the UE.
A kind of base station, including：
Unit is set up, for setting up the first evolved packet system EPS based on the first component carrier CC for user equipment (UE)
Carrying, the first EPS is carried as the EPS carryings between the affiliated first base stations of UE and UE；
Indicating member, the 2nd EPS carryings based on the 2nd CC, described the are set up for indicating the second base station belonging to UE for UE
Two EPS are carried as the EPS carryings between the second base station and UE belonging to UE.
Method and base station that the embodiment of the present invention is provided, by the affiliated first base stations of UE be UE set up based on the first CC the
One EPS carries and indicated to set up the 2nd EPS carryings based on the 2nd CC, the first EPS be carried as the affiliated first base stations of UE and UE it
Between EPS carryings, the 2nd EPS is carried as belonging to UE the EPS carryings between the second base station and UE.Or, possess based on the first CC
The affiliated first base stations of UE of the first EPS carryings be defined as the UE and set up after the 2nd EPS carryings based on the 2nd CC, be initiated as
The UE sets up the process of the 2nd EPS carryings.So, allowing for UE can be by two EPS carryings and affiliated first base
Stand and transmit data respectively between the second base station so that UE realizes polymerization from the affiliated first base stations of UE and the second base station belonging to UE
Different carrier-wave transmission data, realize the carrier convergence between different websites, improve the handling capacity that UE transmits data.
Brief description of the drawings
Fig. 1 is used the bandwidth structural representation that CA technical transmission data are used by prior art；
Fig. 2 is the different carrier wave coverage schematic diagrames under prior art inter-band CA；
Fig. 3 is the coverage schematic network structure that prior art expands high frequency carrier；
Fig. 4 is the method flow diagram provided in an embodiment of the present invention for setting up EPS carryings；
Fig. 5 is the system structure diagram provided in an embodiment of the present invention for setting up EPS carryings；
Fig. 6 is device one structural representation provided in an embodiment of the present invention for setting up EPS carryings；
Fig. 7 is device two structural representation provided in an embodiment of the present invention for setting up EPS carryings；
Fig. 8 is the flow chart provided in an embodiment of the present invention for setting up the method specific embodiment one that EPS is carried；
Fig. 9 is the flow chart provided in an embodiment of the present invention for setting up the method specific embodiment two that EPS is carried.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
The present invention is described in further detail.
The embodiment of the present invention in order to improve UE transmit data handling capacity, it is necessary to so that UE realize polymerization respectively from
DeNB carrier transmitting-receiving data different from RN's, that is, cause carrier wave of the convergence from different websites, herein, website is DeNB
Or RN.Therefore, the embodiment of the present invention is that first EPS of the UE foundation based on the first CC carries and indicated to build by the affiliated first base stations of UE
Be based on the 2nd CC the 2nd EPS carrying, the first EPS be carried as between the affiliated first base stations of UE and UE EPS carrying, second
EPS is carried as the EPS carryings between the second base station and UE belonging to UE.Or, possess the UE of the first EPS carryings based on the first CC
Affiliated first base station is defined as the UE and set up after the 2nd EPS carryings based on the 2nd CC, is initiated as the UE and sets up described the
The process of two EPS carryings.So, allowing for UE can be by between two EPS carryings and affiliated first base station and the second base station
Data are transmitted respectively so that UE realizes polymerization from the affiliated first base stations of UE carrier-wave transmission number different from the second base station belonging to UE
According to realizing the carrier convergence between different websites, improve the handling capacity that UE transmits data.It should be noted that in the present embodiment
Website is sensu lato UE service node, can be collectively referred to as base station, not only including eNB base stations in the narrow sense, also including relay station
RN and small base station etc. can serve UE node.UE affiliated DeNB and UE current syncs in the embodiment of the present invention
DeNB。
In embodiments of the present invention, the affiliated first base stations of UE can be able to be for the second base station belonging to UE affiliated DeNB, UE
The affiliated RN of UE.Further, in heterogeneous network, in addition to DeNB and RN, can also exist miniature eNB (Pico eNB) and
All kinds of small base stations such as family eNB (Home eNB).Therefore, the RN in the embodiment of the present invention is replaced with into miniature eNB and family
Front yard eNB, can similarly set up the current multiple EPS carryings of UE respectively in the case where UE is linked into two different base stations
In the DeNB data different with being UE transmission on miniature eNB.Above-mentioned RN, Pico eNB and Home eNB may be collectively referred to as small-sized
Base station.Certainly, the present embodiment is not limited to the scene of heterogeneous network, the first base station and the second base station can be 2 independences and
Base station without the relations of dependence each other.
Below in an example, it will be described by taking the affiliated RN of UE affiliated DeNB and UE as an example.
In embodiments of the present invention, specifically there are two schemes：
The first scheme is active initiator's case, and the affiliated DeNB of access network entity, such as UE, UE affiliated RN or UE are to core
Network entity, such as public data network gateway (PDN-GW), mobility management entity (MME, Mobility Management
Entity) or gateway (S-GW, ServingGateway), initiate EPS carryings and set up request, after core network entity is received
It is that UE sets up the first EPS carryings based on the first CC and the 2nd EPS carryings based on the 2nd CC, first to indicate the affiliated DeNB of UE
EPS is carried as the EPS carryings between UE affiliated DeNB and UE, and quantity is more than one, and the 2nd EPS is carried as UE affiliated RN and UE
Between EPS carrying, quantity be more than one.Or, core net indicates that the first EPS for having possessed the first CC is held after receiving
The affiliated first base stations of UE of load are defined as the UE and set up after the 2nd EPS carryings based on the 2nd CC, are initiated as the UE and set up
The process of the 2nd EPS carryings.So so that UE can transmit number between DeNB and RN respectively by two EPS carryings
According to.
Second scheme is actively sets up scheme, and the affiliated DeNB of UE are defined as UE and set up the first EPS carryings holding with the 2nd EPS
Carry, the affiliated DeNB of UE are that UE sets up the first EPS carryings based on CC and the 2nd EPS carryings based on CC, and the first EPS is carried as UE
EPS carryings between affiliated DeNB and UE, quantity is more than one, and the EPS that the 2nd EPS is carried as between UE affiliated RN and UE is held
Carry, quantity is more than one；Or, possess the first CC the first EPS carryings the affiliated first base stations of UE be independently defined as it is described
UE is set up after the 2nd EPS carryings based on the 2nd CC, is initiated as the process that the UE sets up the 2nd EPS carryings.So, make
Data can be transmitted between DeNB and RN respectively by two EPS carryings by obtaining UE.
Specifically, DeNB can be carried as the first EPS for needing to set up UE set up the carrying of wireless data (DRB,
Data Radio Bearer), and corresponding wireless data carrying mark (DRB ID) is distributed in the specific implementation, DeNB
UE is carried as each EPS for needing to set up and sets up a corresponding DRB, and distributes a corresponding DRB ID. namely
Say, for UE carrying, between UE and core net, carried referred to as EPS, its is corresponding in UE and DeNB
Between be referred to as DRB.In embodiments of the present invention, by eNB or RN be UE set up EPS carrying equivalence be referred to as be UE set up
DRB.It is, when it is that UE sets up an EPS carrying to describe first base station, exactly representing that first base station sets up one for this UE
Individual DRB.
In above two embodiment in embodiments of the present invention, UE can also have between affiliated DeNB
First EPS carries or had the 2nd EPS carryings between affiliated RN, still, only passes through the first EPS carryings or the 2nd EPS
Carrying can not meet the handling capacity that UE transmits data.At this moment, access network entity actively initiates request and sets up EPS carryings or modification
The process of EPS carryings, or the affiliated DeNB of UE actively set up the process of EPS carryings.Process is set up what above-mentioned EPS was carried
In, if other the new business demands of UE not in addition to current business, within a certain period of time, the first EPS set up
Data transmits in carrying and the 2nd EPS carryings are transmitted the data volume sums of data and carried equal to the first unmodified EPS and passed
Defeated data volume, or the data volume transmitted by unmodified the 2nd EPS carryings.If the foundation carried in above-mentioned EPS
Cheng Zhong, network establishes new business for UE simultaneously, then data and the 2nd EPS carryings are transmitted in the first EPS carryings set up
The data volume sum of transmitted data is more than the first unmodified EPS and carries transmitted data volume, or more than unmodified
2nd EPS carries transmitted data volume.
Fig. 4 is the method flow diagram provided in an embodiment of the present invention for setting up EPS carryings, and this method includes：
The affiliated DeNB of step 401, UE is that UE sets up the first EPS carryings based on the first CC, and the first EPS is carried as UE
EPS carryings between affiliated DeNB and UE, quantity is more than one；
The affiliated DeNB of step 402, UE indicates that the affiliated RN of UE are that UE sets up the 2nd EPS carryings based on the 2nd CC, described the
Two EPS are carried as the EPS carryings between UE affiliated RN and UE, and quantity is more than one.
So, UE just passes through transmits data between set up the first EPS carryings and affiliated DeNB, passes through set up the
Two EPS are carried transmits data between affiliated RN.
Fig. 5 is the system structure diagram provided in an embodiment of the present invention for setting up EPS carryings, including：The affiliated DeNB of UE, UE
And the affiliated RN of UE, wherein,
The affiliated DeNB of UE, for setting up the first EPS carryings for UE, the first EPS be carried as the affiliated DeNB of UE and UE it
Between EPS carryings, quantity is more than one, and it is that UE sets up the 2nd EPS carryings to indicate UE affiliated RN, and the 2nd EPS is carried as
EPS carryings between UE affiliated RN and UE, quantity is more than one；
The affiliated RN of UE, for setting up the 2nd EPS carryings under the affiliated DeNB of UE instruction for UE.
In the system embodiment, in addition to access network entity and core network entity, wherein, access network entity is additionally operable to
Sent to core network entity and set up EPS bearing request messages or modification EPS bearing request messages for UE；
Core network entity, for receive access network entity transmission set up EPS bearing request messages or modification EPS carrying please
Message is sought, it is that UE sets up the first EPS carryings and the 2nd EPS carryings to indicate the affiliated DeNB of UE.
In the system embodiment, the affiliated DeNB of UE are additionally operable to determination and set up the first EPS carryings and the 2nd EPS carryings.
Fig. 6 is device one structural representation provided in an embodiment of the present invention for setting up EPS carryings, and the device can be for above
The base station mentioned in embodiment, including：Unit and indicating member are set up, wherein,
Unit is set up, for setting up the first evolved packet system EPS based on the first component carrier CC for user equipment (UE)
Carrying, the first EPS is carried as the EPS carryings between the affiliated first base stations of UE and UE；
Indicating member, the 2nd EPS carryings based on the 2nd CC, described the are set up for indicating the second base station belonging to UE for UE
Two EPS are carried as the EPS carryings between the second base station and UE belonging to UE.
In the base station, in addition to receiving unit, set up for receiving by what core network entity was sent for UE based on multiple
After the instruction of CC multiple EPS carryings, triggering sets up unit and sets up the first EPS carryings for UE, and triggering indicating member indicates described
Second base station is that UE sets up the 2nd EPS carryings.
In the base station, in addition to determining unit, for being independently defined as, UE sets up the first EPS carryings and the 2nd EPS is held
Carry, triggering sets up unit and sets up the first EPS carryings for UE, triggering indicating member indicates that second base station sets up second for UE
EPS is carried.
Fig. 7 is device two structural representation provided in an embodiment of the present invention for setting up EPS carryings, and the device can be for above
The base station mentioned in embodiment, including determining unit and initiation unit, wherein,
Determining unit, for being defined as possessing the first evolved packet system EPS carryings based on the first component carrier CC
User equipment (UE) sets up the 2nd EPS carryings based on the 2nd CC, and triggers initiation unit；
The initiation unit, the process of the 2nd EPS carryings is set up for being initiated as the UE.
In the base station, in addition to：Receiving unit, is set up based on multiple for receiving by what core network entity was sent for UE
After the instruction of CC multiple EPS carryings, the determining unit is sent to；
The determining unit, the finger of multiple EPS carryings based on multiple CC is set up for being received from receiving unit for UE
After order, it is determined that setting up the 2nd EPS carryings based on the 2nd CC.
In device embodiment shown in Fig. 6 and Fig. 7 it is major it is warm specific executable before flow described by embodiment of the method,
These flows are not repeated herein, the embodiment of the method before referring to.
Two specific embodiments are lifted below illustrates the embodiment of the present invention.
Specific embodiment one：
Carried assuming that the UE and affiliated DeNB of UE have been set up current first EPS, UE carries out EPS using scheme is actively initiated
The foundation of carrying, it is assumed that access network entity therein is UE, and core network entity is PDN-GW.
Fig. 8 is the flow chart provided in an embodiment of the present invention for setting up the method specific embodiment one that EPS is carried, including：
Step 701, UE send EPS bearing modifications to PDN-GW and asked；
In this step, specifically, UE, or can also be RN or DeNB, initiating E-RAB, (E-UTRAN wireless access is held
Carry, E-UTRAN Radio Access Bearer) modification request message, PDN GW are asked, or can also be S-GW or MME
The current single E-RAB of UE are revised as into multiple EPS carryings to carry out data transmission；
Step 702, PDN-GW are received after EPS bearing modifications request, and the state information value of data, example are transmitted according to UE
Such as QoS demand, it is determined that being that the first EPS carryings and the 2nd EPS are carried by current first EPS bearing modifications, the first EPS is determined
Carrying and the 2nd EPS carryings are respective sets up node, that is, determine to set up the first EPS carryings in DeNB, the 2nd EPS carryings built
RN is stood in, and EPS bearer update request instructions are sent to the affiliated DeNB of UE, carries and indicates modification information；
The affiliated DeNB of step 703, UE receives the EPS bearer update request instructions, and the first EPS carryings will be set up by getting
The information carried with the 2nd EPS；
In this step, it is that two new one of foundation of EPS carryings exist that DeNB, which is determined EPS bearing modifications before,
Locally, another is set up in RN；
The affiliated DeNB of step 704, UE be UE set up the first EPS carrying, i.e., to UE transmission wireless heterogeneous networks (RRC,
Radio Resource Control) connection reconfiguration message, carry the information for reconfiguring the first EPS carryings；First EPS
The identifier that the packet of carrying is carried containing EPS, the DRB of correspondence establishment identifier and logical channel identifier and other connect
Enter layer parameter etc..
Step 705, UE are received after the RRC connection reconfiguration messages, and EPS carrying informations and UE are reconfigured according to carrying
Affiliated DeNB is carried out after the foundation of the first EPS carryings, and returning to RRC connections to the affiliated DeNB of UE reconfigures completion message；
The affiliated DeNB of step 706, UE sends EPS to the affiliated RN of UE and sets up request message, and for example, E-RAB sets up request and disappeared
Breath, the information of the 2nd EPS carryings will be set up by carrying；
The affiliated RN of step 707, UE receives the EPS and set up after request message, and RRC connection reconfiguration messages are sent to UE,
Carry the 2nd EPS carrying informations reconfigured；
The identifier that the packet of the 2nd EPS carryings is carried containing EPS, the DRB of correspondence establishment identifier and logic
Channel Identifier and other access layer parameters etc.；
Step 708, UE are received after the RRC connection reconfiguration messages, are carried and believed according to the 2nd EPS reconfigured of carrying
Breath is carried out with affiliated RN after the foundation of the 2nd EPS carryings, and returning to RRC connections to the affiliated RN of UE reconfigures completion message；
Before this step, it is connected if UE is not set up with affiliated RN, in addition it is also necessary to carry out random access procedure.
In this specific embodiment, step 704~705 can be carried out simultaneously with step 706~708, can also first be carried out
Step 706~708, then step 704~705, do not limit here.
In this specific embodiment, in a step 702, PDN-GW can also not know the first EPS carryings and the 2nd EPS
Carrying is respective to set up node, but sends EPS bearer update request instructions directly to DeNB, indicates that DeNB repaiies EPS carryings
The first EPS carryings and the 2nd EPS carryings are changed to, in step 703, is determined by DeNodB according to the UE status informations for transmitting data
First EPS, which is carried, and the 2nd EPS carryings are respective sets up node, and carries out subsequent step.Here, DeNB needs anti-to PDN-GW
The first EPS carryings and the 2nd EPS carryings for presenting its determination respective set up node.
Or, in this specific embodiment, in a step 702, PDN-GW can also not know to hold current first EPS
Load is revised as the first EPS carryings and the 2nd EPS carryings, but the EPS bearer updates for carrying UE marks are sent directly to DeNodB
Request instruction, in step 703, being determined by DeNodB according to the UE identified with the UE the state information values for transmitting data ought
Preceding first EPS bearing modifications be the first EPS carrying and the 2nd EPS carrying, and it is respective set up node, i.e., the first EPS is held
Carry and set up in DeNB, the 2nd EPS carryings are set up in RN, and carry out subsequent step.
In this specific embodiment, it may also assume that the UE and affiliated RN of UE have been set up current 2nd EPS and carried, mistake
Journey is similar, repeats no more here.
Specific embodiment two
Carried assuming that the UE and affiliated RN of UE have been set up current 2nd EPS, the affiliated DeNB of UE, which are used, actively sets up scheme
The foundation of EPS carryings is carried out for UE.
Fig. 9 is the flow chart of the method specific embodiment two provided in an embodiment of the present invention for setting up EPS carryings, this method bag
Include：
The affiliated DeNB of step 801, UE determines to transmit the negative of data by the affiliated DeNB of UE for the affiliated RN of the UE UE for sharing part
Carry, it is therefore desirable to set up the first EPS carryings for UE；
Before this step, the affiliated DeNB of UE establish current second between the affiliated RN of UE and UE have independently been determined
EPS is carried；
In this step, the first EPS set up is carried as virtual EPS carryings, that is, the first EPS in the core network
Carrying is invisible；
The affiliated DeNB of step 802, UE sends RRC connection reconfiguration messages to UE, and carrying reconfigures EPS carrying informations, i.e.,
Need the information of the first EPS carryings set up；The identifier that the packet of the first EPS carryings is carried containing EPS, correspondence establishment
DRB identifier and logical channel identifier and other access layer parameters etc.；
In this step, the first EPS set up carries used qos parameter and used with current 2nd EPS carryings
Qos parameter it is identical, here the first EPS carrying mark with current 2nd EPS carrying mark can be with identical；
Step 803, UE are received after the RRC connection reconfiguration messages, and EPS carrying informations and UE are reconfigured according to carrying
Affiliated DeNB is carried out after the foundation of the first EPS carryings, and returning to RRC connections to the affiliated DeNB of UE reconfigures completion message；
In this step, if not setting up synchronized links before the UE and affiliated DeNB of UE, before step 803, also
Including：Random access procedure is carried out between the affiliated DeNB of UE and UE, the UE and affiliated DeNB of UE set up synchronized links；
The affiliated DeNB of step 804, UE sends EPS to the affiliated RN of UE and sets up report message, carries UE mark and has built
The information of vertical first EPS carryings；
The affiliated RN of step 805, UE receives the EPS and set up after report message, and RRC connection reconfiguration messages are sent to UE,
Carry the 2nd EPS carrying informations for needing to set up；The identifier that the packet of the 2nd EPS carryings is carried containing EPS, correspondence is built
Vertical DRB identifier and logical channel identifier and other access layer parameters etc.；
Step 806, UE are received after the RRC connection reconfiguration messages, are carried and believed according to the 2nd EPS reconfigured of carrying
Breath is carried out after the foundation of the 2nd EPS carryings with the affiliated RN of UE, and returning to RRC connections to RN reconfigures completion message.
, can if having existed for current 2nd EPS carryings between the affiliated RN of UE and UE in the embodiment described in Fig. 8
Directly to carry current 2nd EPS carryings as the 2nd EPS, i.e., the configuration parameter of current 2nd EPS carryings is not changed, without
Step 806 and step 807 are performed again, are repeated no more here.
In this specific embodiment, it may also assume that the UE and affiliated DeNB of UE have been set up current first EPS and carried,
Process is similar, repeats no more here.
The cell edge UE of DeNB affiliated subdistricts administration biography can be just improved using method provided in an embodiment of the present invention
Transmission of data handling capacity, reduces the throughput differences between center of housing estate UE and cell edge UE, improves the transmission between UE
The fairness of data performance.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be borrowed
Software is helped to add the mode of required common hardware to realize, naturally it is also possible to which the former is more preferably by hardware, but in many cases
Embodiment.Understood based on such, the portion that technical scheme substantially contributes to prior art in other words
Dividing can be embodied in the form of software product, and the computer software product is stored in the storage medium that can be read, and such as be counted
The floppy disk of calculation machine, hard disk or CD etc., including some instructions to cause a computer equipment (can be personal computer,
Server, or the network equipment etc.) perform method described in each embodiment of the invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (21)
1. a kind of method for setting up evolved packet system EPS carryings, it is characterised in that this method includes：
The affiliated first base station of user equipment (UE) for possessing the carryings of the first EPS based on the first component carrier CC is defined as the UE and built
Be based on the 2nd CC the 2nd EPS carrying；
The first base station is initiated as the process that the UE sets up the 2nd EPS carryings so that UE can be held by the first EPS
Carry and the 2nd EPS carryings transmit data with first base station and the second base station respectively.
2. the method as described in claim 1, it is characterised in that the first EPS is carried as between the first base station and UE
EPS carrying；
The first base station, which is initiated as the UE, which sets up the process of the 2nd EPS carrying, includes：
The first base station indicates that the second base station is that UE sets up the 2nd EPS carryings, and the 2nd EPS is carried as described second
EPS carryings between base station and UE.
3. method as claimed in claim 2, it is characterised in that also include：
Second base station is before the 2nd EPS carryings are set up for UE, if second base station is not set up with the UE
Connection, second base station is set up with the UE and is connected.
4. the method as described in claim 1, it is characterised in that the first EPS is carried as the EPS between the second base station and UE
Carrying；
The first base station, which is initiated as the UE, which sets up the process of the 2nd EPS carrying, includes：
The first base station is that UE sets up the 2nd EPS carryings, and the 2nd EPS is carried as between the first base station and UE
EPS carrying.
5. the method as described in any one of Claims 1 to 4, it is characterised in that before the process per se, in addition to：
The first base station receives the instruction that multiple EPS carryings based on multiple CC are set up for UE sent by core network entity；
The core network entity is public data network gateway PDN-GW, mobility management entity MME or gateway S-GW.
6. method as claimed in claim 5, it is characterised in that receive the finger of the multiple EPS carryings in the first base station
Before order, this method also includes：
Access network entity sets up the request message of EPS carryings or asking for modification EPS carryings to core network entity transmission for UE
Message is sought, multiple EPS carryings based on multiple CC are set up in request；
The access network entity is the UE, first base station or the second base station.
7. the method as described in any one of Claims 1 to 4, it is characterised in that before the process per se, in addition to：
The first base station is independently determined as UE and sets up the 2nd EPS carryings.
8. the method as described in any one of Claims 1 to 4, it is characterised in that what the affiliated first base station modifications of UE possessed
The first EPS carryings based on the first CC；
The amended first EPS carrying transmitted data amounts and the 2nd EPS carrying transmitted data amount sums are equal to or more than institute
State the carryings of the first EPS based on the first CC before modification.
9. method as claimed in claim 8, it is characterised in that
After the 2nd EPS carryings are set up, the QoS parameter and the 2nd EPS of the amended first EPS carryings
The QoS parameter of carrying is respectively equal to：The service of unmodified the first EPS carryings before the 2nd EPS is carried and set up
Mass parameter.
10. the method as described in any one of Claims 1 to 4, it is characterised in that the first base station is macro base station, described the
Two base stations are the small base station in the relay station or macro base station coverage for depend on the macro base station.
11. a kind of method for setting up evolved packet system EPS carryings, it is characterised in that this method includes：
The affiliated first base station of user equipment (UE) is that UE sets up the first EPS carryings based on the first component carrier CC, the first EPS
It is carried as the EPS carryings between the first base station and UE；
The first base station indicates that the second base station is that UE sets up the 2nd EPS carryings based on the 2nd CC, and the 2nd EPS is carried as
EPS carryings between second base station and UE；UE is carried by the first EPS and the 2nd EPS carryings are respectively with the
One base station and the second base station transmission data.
12. method as claimed in claim 11, it is characterised in that before the process per se, in addition to：
The first base station receives the instruction that multiple EPS carryings based on multiple CC are set up for UE sent by core network entity；
The core network entity is public data network gateway PDN-GW, mobility management entity MME or gateway S-GW.
13. method as claimed in claim 12, it is characterised in that receive the multiple EPS carryings in the first base station
Before instruction, this method also includes：
Access network entity sets up the request message of EPS carryings or asking for modification EPS carryings to core network entity transmission for UE
Message is sought, multiple EPS carryings based on multiple component carriers are set up in request；
The access network entity is the UE, first base station or the second base station.
14. method as claimed in claim 11, it is characterised in that before the process per se, in addition to：
The first base station is independently determined as UE and sets up the first EPS carryings and the 2nd EPS carryings.
15. the method as any one of claim 11 to 14, it is characterised in that the first base station is macro base station, institute
It is the small base station in the relay station or macro base station coverage for depend on the macro base station to state the second base station.
16. the method as any one of claim 11 to 14, it is characterised in that also include：
Second base station is before the 2nd EPS carryings based on the second component carrier are set up for UE, if second base station
Do not set up and be connected with the UE, then second base station is set up with the UE and is connected.
17. a kind of base station, it is characterised in that including：
Determining unit, the user for being defined as possessing the first evolved packet system EPS carryings based on the first component carrier CC
Equipment UE sets up the 2nd EPS carryings based on the 2nd CC, and triggers initiation unit；
The initiation unit, the process of the 2nd EPS carryings is set up for being initiated as the UE；
UE is carried by the first EPS for the base station and the 2nd EPS carryings are passed with first base station and the second base station respectively
Transmission of data.
18. base station as claimed in claim 17, it is characterised in that also include：Receiving unit, for receiving by core network entity
What is sent sets up for UE after the instruction of multiple EPS carryings based on multiple CC, is sent to the determining unit；
The determining unit, sets up after the instruction of multiple EPS carryings based on multiple CC for being received from receiving unit for UE,
It is determined that setting up the 2nd EPS carryings based on the 2nd CC.
19. a kind of base station, it is characterised in that including：
Unit is set up, for setting up the first evolved packet system EPS carryings based on the first component carrier CC for user equipment (UE),
First EPS is carried as the EPS carryings between the affiliated first base stations of UE and UE；
Indicating member, is carried, described second for indicating that the 2nd EPS based on the 2nd CC is set up in the second base station belonging to UE for UE
EPS is carried as the EPS carryings between the second base station and UE belonging to UE；
UE is carried by the first EPS for the base station and the 2nd EPS carryings are passed with first base station and the second base station respectively
Transmission of data.
20. base station as claimed in claim 19, it is characterised in that
Also include receiving unit, multiple EPS carryings based on multiple CC are set up for UE by what core network entity was sent for receiving
Instruction after, triggering sets up unit and sets up the first EPS carryings for UE, and triggering indicating member indicates that second base station is UE foundation
2nd EPS is carried.
21. base station as claimed in claim 19, it is characterised in that also include：
Determining unit, sets up the first EPS carryings and the 2nd EPS carryings, triggering is set up unit and built for UE for the autonomous UE that is defined as
Vertical first EPS carryings, triggering indicating member indicates that the 2nd EPS carryings are set up in second base station for UE.
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| CN201710612855.3A CN107437985B (en) | 2011-02-18 | 2011-02-18 | Method and base station for establishing evolved packet system bearer |
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| EP3579485B1 (en) | 2012-03-21 | 2022-07-27 | Huawei Technologies Co., Ltd. | Method for establishing evolved packet system bearer and base station |
| EP2906008B1 (en) * | 2012-10-05 | 2021-09-01 | NEC Corporation | Radio communication system, first and second radio station, radio terminal, network apparatus and corresponding methods to implement inter-enb carrier aggregation |
| ES2754026T3 (en) * | 2012-10-05 | 2020-04-15 | Nec Corp | Wireless communication system, base station and communication control procedure |
| WO2014075210A1 (en) * | 2012-11-13 | 2014-05-22 | 华为技术有限公司 | Method, base station and user equipment for transmitting data |
| CN104137614B (en) * | 2013-01-28 | 2018-06-05 | 华为技术有限公司 | Method, wireless communication node and the system of access to wireless communication node |
| JP6376137B2 (en) * | 2013-10-31 | 2018-08-22 | 日本電気株式会社 | Wireless communication system, base station apparatus, and wireless terminal |
| CN107734517A (en) * | 2016-08-10 | 2018-02-23 | 中兴通讯股份有限公司 | A kind of data transmission method, device and system |
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| CN107437985A (en) | 2017-12-05 |
| CN107437985B (en) | 2023-10-13 |
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