CN107343324A - Method and apparatus for sending and receiving data using WLAN radio resources - Google Patents

Method and apparatus for sending and receiving data using WLAN radio resources Download PDF

Info

Publication number
CN107343324A
CN107343324A CN201610818101.9A CN201610818101A CN107343324A CN 107343324 A CN107343324 A CN 107343324A CN 201610818101 A CN201610818101 A CN 201610818101A CN 107343324 A CN107343324 A CN 107343324A
Authority
CN
China
Prior art keywords
wlan
tunnel
enb
data
configuration information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610818101.9A
Other languages
Chinese (zh)
Other versions
CN107343324B (en
Inventor
洪成杓
崔宇辰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KT Corp
Original Assignee
KT Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KT Corp filed Critical KT Corp
Publication of CN107343324A publication Critical patent/CN107343324A/en
Application granted granted Critical
Publication of CN107343324B publication Critical patent/CN107343324B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to the method and apparatus for handling control plane data, with when by adding WLAN radio resources to E UTRAN carrier waves to transmit user plane data in radio access network (RAN) rank so that enode b (eNB) and user equipment (UE) can send and/or receive user plane data by WLAN carrier waves.Especially, there is provided a kind of method for sending and receiving data for UE, methods described include：The WLAN community configured informations for sending and receiving data using WLAN (WLAN) radio resource are received from enode b (eNB)；WLAN associations are carried out based on the WLAN community configured informations；WLAN access confirmation messages are sent to eNB；The tunnel configuration information for establishing tunnel by the WLAN radio resources and the eNB for the UE is received from eNB by high-level signaling.

Description

Method and apparatus for sending and receiving data using WLAN radio resources
The cross reference of related application
This application claims September in 2015 24 days and the korean patent application No.10-2015- submitted on June 13rd, 2016 0135795 with No.10-2016-0073112 priority, entire contents are incorporated herein by quoting herein, as its Recorded completely in text the same.
Technical field
The present invention relates to the method and apparatus for handling control plane data, with when by radio access network (RAN) when rank to E-UTRAN carrier waves by adding WLAN radio resources to transmit user plane data so that enode B (eNB) and user equipment (UE) can send and/or receive user plane data by WLAN carrier waves.
Background technology
With the development of communication system, consumer (such as company and individual) has used various wireless terminals.Except providing Outside service based on sound, it is subordinate to 3GPP current mobile communications system (for example, Long Term Evolution (LTE), advanced LTE (LTE- A) etc.) can be the high-speed high capacity communication system that can send and receive various data (such as view data, wireless data etc.) System.Therefore, it is desirable to there is the technology of transmission of large capacity data suitable with wireline communication network.As for transmission of large capacity number According to scheme, can efficiently transmit data by multiple cells.
However, base station has limitation using limited amount frequency resource in terms of multiple UE provide Large Volume Data. That is, very high cost is needed when predetermined operator ensures special frequency resource, this is defect.
Can not by the exclusive unlicensed frequency band used of predetermined operator or predetermined communication system can by multiple operators or Communication system is shared.For example, WLAN (WLAN) technology (being represented by WiFi) uses the frequency resource in unlicensed frequency band Data are provided and send and receive service.
Therefore, it is necessary to study for sending data to terminal using corresponding WLAN access points (AP) etc. and being received from terminal The GSM technology of data.Especially, when base station using WLAN carrier waves and base station carrier to terminal send data and from When terminal receives data, its detailed process and method are not provided, this is defect.In addition, in order to provide LTE and WLAN polymerizations Technology, it is necessary to study the detailed control process and data transmission technology for recycling existing WLAN node.
The content of the invention
In this context, an aspect of of the present present invention provides passes through WLAN for user equipment (UE) and enode b (eNB) The polymerization of radio resource and eNB carrier waves combines the detailed process and technology for sending and receiving data.
In addition, an aspect of of the present present invention is provided for overcoming the delay issue as caused by being set WLAN access authentications and tunnel With may be due to the detailed technology for the data-transmission interruptions problem that WLAN coverage is small and occurs.
According to an aspect of the present invention, there is provided one kind is used for the method that user equipment (UE) sends and receives data, the party Method includes：The WLAN for sending and receiving data using WLAN radio resources is received from enode b (eNB) (WLAN) community configured information；WLAN associations are carried out based on WLAN community configured informations；WLAN access confirmations are sent to eNB to disappear Breath；The tunnel configuration information for establishing tunnel by WLAN radio resources and eNB for UE is received from eNB by high-level signaling.
According to an aspect of the present invention, there is provided a kind of method for sending and receiving data for eNB, this method include：To UE sends the WLAN community configured informations for sending and receiving data using WLAN radio resources；WLAN accesses are received from UE Confirmation message；The tunnel configuration for establishing tunnel by WLAN radio resources for eNB and UE is sent to UE by high-level signaling Information.
According to an aspect of the present invention, there is provided a kind of UE for sending and receiving data, the UE include：Receiving unit, its The WLAN community configured informations for sending and receiving data using WLAN radio resources are received from enode b (eNB)；Control Device processed, it is based on WLAN community configured informations and carries out WLAN associations；Transmitting element, it sends WLAN access confirmation messages to eNB, Wherein, after WLAN access confirmation messages are sent, receiving unit is also received by high-level signaling from eNB to be passed through for UE and eNB WLAN radio resources establish the tunnel configuration information in tunnel.
According to an aspect of the present invention, there is provided a kind of eNB for sending and receiving data, the eNB include：Transmitting element, It sends the WLAN community configured informations for sending and receiving data using WLAN radio resources to UE；Receiving unit, its WLAN access confirmation messages are received from UE, wherein, after WLAN access confirmation messages are received, transmitting element is also believed by high level Make the tunnel configuration information for being sent to UE and establishing tunnel by WLAN radio resources for eNB and UE.
The polymerization or combination that present embodiment in accordance with the above, eNB and UE pass through WLAN radio resources and eNB carrier waves And data are sent and received, it is thus possible to improve data processing speed and capacity.
In addition, the present embodiment of the present invention, can overcome and set caused delay to ask by WLAN access authentications and tunnel Topic and may be due to WLAN coverage is small and occurs data-transmission interruptions problem.
Brief description of the drawings
From detailed description below in conjunction with the accompanying drawings, above and other objects of the present invention, feature and advantage will become more Add obvious.
Fig. 1 is to show the WLAN radio resource adding procedures based on tunneling mechanism according to an embodiment of the present invention Figure；
Fig. 2 is to show the WLAN radio resource adding procedures based on tunneling mechanism according to another embodiment of the present invention Figure；
Fig. 3 is the figure for the operation for showing the UE according to another embodiment of the present invention；
Fig. 4 is the operation (including tunnel is set) for showing the user equipment (UE) according to another embodiment of the present invention Figure；
Fig. 5 is the figure for the operation for showing the enode b (eNB) according to another embodiment of the present invention；
Fig. 6 is the figure for the operation (including tunnel is set) for showing the eNB according to another embodiment of the present invention；
Fig. 7 is the block diagram for the configuration for showing the UE according to another embodiment of the present invention；With
Fig. 8 is the block diagram for the configuration for showing the eNB according to another embodiment of the present invention.
Embodiment
Below, embodiment of the invention will be described with reference to the accompanying drawings.Each element is added in each accompanying drawing attached Icon clocks, and identical reference is specified as far as possible for identical element, even if these elements are shown in various figures.This Outside, in the description below of the present invention, when it is determined that the detailed description to known function and configuration being incorporated herein may make When obtaining subject of the present invention becomes not knowing quite, the detailed description will be omitted.
In this manual, MTC terminal refers to the terminal of inexpensive (or not being extremely complex), supports the end of coverage enhancement End etc..In this manual, MTC terminal refers to the terminal for supporting inexpensive (or low complex degree) and coverage enhancement.Alternatively, In this manual, MTC terminal refers to be defined for keep the predetermined of inexpensive (or low complex degree) and/or coverage enhancement The terminal of species.
In other words, in this manual, MTC terminal can refer to the 3GPP Release (version) 13 newly defined low cost (or low complex degree) UE species/type, it performs the MTC associative operations based on LTE.Alternatively, in this manual, MTC Terminal can refer in 3GPP versions -12 or defined before it with existing LTE covering compared to support strengthen it is coverage, Or support UE species/type of low-power consumption, or can refer to low cost (or low complex degree) the UE species of the version -13 newly defined/ Type.
Wireless communication system can be installed so as to provide various communication services, such as voice service, grouped data etc. extensively. Wireless communication system can include user equipment (UE) and base station (BS or eNB).Throughout the specification, user equipment can be Represent to include formula concept for the user terminal in radio communication, (user sets the UE for being included in WCDMA, LTE, HSPA etc. It is standby), and MS (movement station) in gsm, UT (user terminal), SS (subscriber station), wireless device etc..
Base station or cell can generally refer to the station to be communicated with UE (user equipment), and can also be referred to as Node-B (node-b), enode-B (eNB), sector, website, base transceiver systems (BTS), access point, via node, long-range nothing Line dateline (RRH), radio unit (RU) etc..
That is, base station 20 or cell can be interpreted to represent by BSC (base station controller), the WCDMA in CDMA A part in the regions of covering such as eNB or sector (website) in Node B, LTE includes formula concept, and the concept can With including various overlay areas, such as big cell, macrocell, Microcell, picocell, Femto cell, via node communication Scope etc..
Each base station with control respective cell in above-mentioned each cell, therefore, base station can solve in two ways Release：I) base station can be to provide the big cell relevant with wireless zone, macrocell, Microcell, picocell, Femto cell or The equipment of person's cell is in itself；Or ii) base station can represent wireless zone in itself.It is interactively with each other so that carrying in i) It can be controlled for the equipment of predetermined wireless zone by identical entity or cooperation configures all devices of the wireless zone and can claimed For base station.According to the Configuration Type of wireless zone, eNB, RRH, antenna, RU, low power nodes (LPN), point, transmission/receiving point, Sending point, receiving point etc. can be as the embodiments of base station.In ii) in, as viewed from the perspective of terminal or adjacent base station, receive Or the wireless zone of transmission signal can be referred to as base station in itself.
Therefore, big cell, macrocell, Microcell, picocell, Femto cell, cell, RRH, antenna, RU, LPN, Point, eNB, transmission/receiving point, sending point and receiving point may be collectively termed as base station.
In the description, user equipment and base station, which are used as two, includes formula transmitting-receiving object, to implement described in specification Technology and technological concept, however it is not limited to predetermined term or word.In the description, user equipment and base station are used as two (upstream or downstream) include formula transmitting-receiving object, to implement the technology and technological concept described in specification, however it is not limited to predetermined Term or word.Here, up (UL) refers to the scheme that UE receives data to base station transmission data or base station from UE, and it is descending (DL) refer to base station and send data or UE from the scheme of base station reception data to UE.
Various Multiple Access schemes can be applied to wireless communication system without restriction.Various Multiple Access schemes, example can be used As CDMA (CDMA), TDMA (time division multiple acess), FDMA (frequency division multiple access), OFDMA (OFDM), OFDM-FDMA, OFDM-TDMA, OFDM-CDMA etc..Embodiments of the present invention can be applied to from GSM, WCDMA and HSPA evolve to LTE and Resource allocation in LTE-A asynchronous wireless communication scheme, and can be applied to evolve to UMB's from CDMA and CDMA-2000 Resource allocation in sychronous wireless communication scheme.The present invention is not limited to specific wireless communication field, but can include All technical fields of the technical concept of the present invention can be applied.
Can be according to TDD (time division multiplexing) scheme being transmitted based on different time, or can be according to based on difference FDD (frequency division multiplexing) schemes that frequency is transmitted carry out uplink and downlink transfer.
In addition, in such as LTE and LTE-A system, can be by based on single carrier wave or a pair of carrier wave collocating uplinks Link and downlink develop standard.Up-link and downlink can be for example, by PDCCH (physical down control letters Road), PCFICH (physical control format indicator channel), PHICH (Physical Hybrid ARQ Indicator channel), PUCCH (physically Row control channel), the control channel transmission control information such as EPDCCH (enhancing Physical Downlink Control Channel), and may be configured to Data channel, such as PDSCH (Physical Downlink Shared Channel), PUSCH (Physical Uplink Shared Channel) etc., so as to transmit data.
Control information can be sent using EPDCCH (enhancing PDCCH or extension PDCCH).
In this manual, cell can refer to：Coverage from the signal of transmission/receiving point transmission, have from send/ The component carrier of the coverage of the signal of receiving point (sending point or transmission/receiving point) transmission；Or transmission/receiving point is in itself.
Referred to according to the wireless communication system of embodiment：Two of which or more transmission/receiving point cooperative transmission signal Collaboration multiple spot transmission/reception (CoMP) system, collaboration multi-aerial transmission system or coordinating multi-cell communication system.CoMP System can include transmission/receiving point and terminal more than at least two.
More transmission/receiving points can be base station or macrocell (hereinafter, referred to " eNB ") and by optical cable or optical fiber with ENB connections and at least one RRH for being had line traffic control, and there is large transmission power or low transmission work(in macrocell area Rate.
Hereinafter, downlink refers to the communication from more transmission/receiving points to terminal or communication path, and up-link refers to Communication or communication path of the terminal to more transmission/receiving points.In the downlink, emitter can be more transmission/receiving points A part, and receiver can be a part for terminal.In the uplink, emitter can be a part for terminal, and connect Receipts machine can be a part for more transmission/receiving points.
Hereinafter, can also by the situation about sending and receiving signal such as PUCCH, PUSCH, PDCCH, EPDCCH, PDSCH It is described as statement and " sends or receive PUCCH, PUSCH, PDCCH or PDSCH ".
In addition, hereinafter, statement " sending or receive PDCCH or by PDCCH transmissions or reception signal " includes：" hair Send or receive EPDCCH or by EPDCCH transmissions or reception signal ".
That is, Physical Downlink Control Channel as used herein can refer to PDCCH or EPDCCH, and can refer to including PDCCH With both EPDCCH implication.
In addition, for convenience, EPDCCH corresponding with embodiment of the present invention can apply to describe using PDCCH Part, and can refer to using EPDCCH describe part.
Meanwhile top signaling includes the RRC signaling of rrc message of the transmission comprising RRC parameters.
ENB is performed to the downlink transfer of terminal.ENB 110 can be transmitted as the Main physical channel for unicast transmission Physical Downlink Shared Channel (PDSCH), and the Physical Downlink Control Channel for transmitting Downlink Control Information can be transmitted (PDCCH), Downlink Control Information is for example：The scheduling needed for PDSCH is received, and for uplink data channels (for example, physically Row shared channel (PUSCH)) transmission scheduling grant information.Hereinafter, sent and received by the signal of each channel by quilt It is described as sending and receiving for respective channels.
WLAN carrier waves in this specification refer to the radio resource using WLAN, and can according to circumstances need to be expressed as respectively Kind term, such as WLAN radio links, WLAN radio, WLAN radio resources, WLAN radio nets etc..For the ease of Understand, hereinafter, by the way that WLAN radio links, WLAN radio, WLAN carrier waves, WLAN radio nets etc. are expressed as WLAN radio resources are described.
In addition, in this manual, WLAN terminal represents logic wlan network node.For example, WLAN terminal can be WLAN AP or WLAN AC.WLAN terminal can be wlan network node (such as having WLAN AP or existing WLAN AC), or Can be the WLAN nets for including the additional function (compared with existing WLAN AP or existing WLAN AC) for WLAN aggregation transfers Network node.WLAN terminal may be implemented as independent entity, or the function of may be implemented as being included in another entity is real Body.Hereinafter, in this manual, according to circumstances need, by the way that wlan network node is expressed as into WLAN terminal or WLAN AP It is described.In addition, in this manual, by the way that the radio resource provided by eNB is expressed as into eNB radio resources, eNB Carrier wave or E-UTRAN carrier waves are described.
Tunnel entity in this manual mean be used for handle by the Internet protocol security (IPsec) tunnel send and The entity of the data of reception, and the term not limited to this.For example, tunnel entity can include various terms, such as IPsec tunnels Entity, using IPsec user data transmission/receiving entity, the rank higher than IPsec configure based on radio bearer Entity, EPS carryings entity, adaptation entities, the adaptation entities configured in the layer higher than tunnel, sealed using IPsec tunnels The LTE/WLAN radio rank of dress agreement (LWIPEP) entity combines, utilizes WLAN IPsec tunnels entity etc..Below In, in order to make it easy to understand, being described by the way that they are expressed as into tunnel entity, it will be appreciated that tunnel entity includes having phase All entities of congenerous, and tunnel entity can understand from functional perspective.
In addition, in this manual, tunnel or IPsec tunnels represent to be configured between UE and eNB WLAN without Line electric resources send and receive the tunnel of data, and can include various terms.For example, IPsec tunnels can be referred to as it is various Term, such as gre tunneling, GTP tunnel, tunnel based on encapsulation etc., but it is not limited to above-mentioned term.
WLAN interaction techniques provide the WLAN interactive functions of RAN auxiliary.E-UTRAN can aid in being in RRC_IDLE shapes The UE of state and RRC_CONNECTED states carries out the bidirectional traffics orientation based on UE between E-UTRAN and WLAN.
E-UTRAN provides auxiliary parameter by broadcast signaling or special RRC signaling for UE.RAN auxiliary parameters can include Following is at least one：E-UTRAN signal strength thresholds, WLAN channels use threshold value, WLAN return data transmission rates Threshold value, WLAN signal intensity { or WLAN signal intensity threshold；Such as BeaconRSSI (beacon RSSI) threshold value or unloading preference Designator.In addition, E-UTRAN can provide WLAN identifier lists by broadcast signaling for UE.
UE can be used for the RAN auxiliary parameters of evaluation access network selection and defined in document TS 36.304 Flow rule oriented or the ANDSF strategies defined in document TS 24.312, so that it is determined that for document 3GPP TS Flow orientation specified in 23.402 " being used for the framework of non-3 GPP access strengthens " between E-UTRAN and WLAN.
When meeting the selection of access network and flow rule oriented defined in document TS 36.304, UE can be to connecing The upper strata for entering layer indicates identical forwarding.
When UE is using the selection of access network and flow rule oriented, UE can be based on APN granularity units in WLAN and E- Flow control is carried out between UTRAN.As described above, RAN auxiliary WLAN interactive functions only provide wherein E-UTRAN and WLAN with The method that independent mode is established and worked together.
The above-mentioned limitation having from the interaction technique using independent E-UTRAN and WLAN is found out, expects to have wherein eNB and exists PDCP ranks use the LTE-WLAN polymerization techniques of E-UTRAN and WLAN radio resources.However, use LTE- in PDCP ranks WLAN polymerization techniques need to upgrade existing WLAN AP.For example, in order to generate tunnel simultaneously between eNB and WLAN node Flow control is carried out, it is necessary to upgrade to existing AP.In order to solve the above problems, present embodiment, which proposes, to be recycled Existing AP, LTE-WLAN polymerization techniques based on IPsec tunnels.Especially, in order to carry out the LTE- based on IPsec tunnels WLAN polymerize, it is necessary to the detailed control process and user plane data transmission method that are carried out between UE and eNB.Especially, no ENB cells are same as, in a wlan, because access authentication and tunnel set and be likely to occur very big time delay.For example, it may be possible to deposit In the time delay of about 3 to 5 seconds, to be authenticated using EAP-AKA.WLAN cells have smaller covering than eNB cell Scope.Therefore, when the ue moves, service may be interrupted or may occur loss of data, and this is defect.
As described above, traditional LTE-WLAN polymerizations/associated methods need to upgrade existing AP, so as to provide the poly- of PDCP ranks Conjunction technology.Even it is proposed for solving drawbacks described above, LTE-WLAN polymerizations/associated methods based on IPsec tunnels also not The detailed control process carried out between UE and eNB and user plane data transmission method are provided.Especially, connect by carrying out WLAN Time delay caused by entering certification and tunnel setting may increase, and because the small coverage of WLAN cells causes data to pass The probability of defeated interruption is high, and this is defect.
In order to overcome that disadvantages mentioned above draws present embodiments provide for control process and data transmission method, for providing The existing WLAN AP LTE-WLAN based on tunnel can be recycled.
The UE of RRC connections can add WLAN radio resources under eNB control.When eNB it is expected to add radio money When source without upgrading in addition to existing WLAN AP, eNB establishes tunnel on the UE of RRC connections by WLAN between UE and eNB Road, and use WLAN radio resources.For example, can between UE and eNB configuration of IP sec tunnels, and it can pass through WLAN Radio resource configures.As another example, can between the gateway being connected with UE and eNB configuration of IP sec tunnels, and its It can be configured by WLAN radio resources.Therefore, in PDCP protocol layers or its high level, can be led to based on IPsec tunnels Cross WLAN and data are transmitted between UE and eNB.For example, in the layer (that is, PDCP PDU) lower than PDCP protocol layer, can be with base Data are transmitted between UE and eNB by WLAN in IPsec tunnels.As another example, in the layer higher than PDCP protocol layer In (that is, PDCP SDU or IP packets), data can be transmitted between UE and eNB by WLAN based on IPsec tunnels.
Hereinafter, although by assuming that configuration of IP sec tunnels and passing through WLAN in the layer higher than PDCP protocol layer Radio resource transmits data to illustrate between eNB and UE, but the present invention be also included within it is lower than PDCP protocol layer IPsec tunnel datas are based in layer.
Fig. 1 is to show the WLAN radio resource adding procedures based on tunneling mechanism according to an embodiment of the present invention Figure.
With reference to figure 1, in S100 is operated, eNB 102 is used for LTE-WLAN polymerizations using WLAN radio resource requests UE Radio Access Capabilities transmit.For example, in order to determine corresponding UE 100 whether support LTE-WLAN polymerization techniques or in order to The WLAN band informations that UE 100 is supported are determined, eNB102 can ask UE Radio Access Capabilities to transmit.
In operation sl 10, UE 100 reports the LTE-WLAN polymerizations for including the WLAN band informations that the UE 100 is supported (LWA) ability.UE 100 can have single capability bit, to indicate that UE 100 supports LTE-WLAN interactions and polymerization work( Energy.In addition, UE 100 can have single capability bit to indicate that UE 100 supports that (it is polymerize polymerization technique with LTE-WLAN Radio bearer (for example, separation carries) is supported by PDCP in technology), and indicate that UE 100 supports radio to hold by tunnel Carry (for example, tunnel carrying).The LWA abilities of tunnel carrying are supported in the reports of UE 100.Hereinafter, will be with although assuming in description LTE-WLAN polymerization techniques send and receive the carrying of data as tunnel by WLAN radio resource configuration IPsec tunnels Carrying, but carry not limited to this term.That is, tunnel carrying can be referred to as switching carrier etc., and they can be used for referring to phase Same implication.
ENB 102 configures WLAN measurements relative to UE 100.Therefore, eNB 102 includes in RRC connections reconfiguration message Measurement configuration information (needs the measurement configuration information) when UE 100 measures WLAN radio resources, and in operation s 120 will It is sent to UE 100.
UE 100 uses measurement configuration information, and RRC connections are reconfigured into completion in S130 is operated (RRCConnectionReconfigurationComplete) message is sent to eNB 102 as response.
UE 100 obtains WLAN message in S140 is operated.For example, UE 100 is measured based on above-mentioned measurement configuration information WLAN radio resources, and obtain following one or more information：WLAN association status, WLAN identifiers (BSSID/HESSID/ SSID), MAC Address and IP address.
UE 100 sends the result of above-mentioned WLAN measurements in S150 is operated by measurement report to eNB 102.Measurement report The WLAN status informations that measures by UE 100 based on measurement configuration information can be included by accusing, for example, each WLAN connection status with The cut-in quality of WLAN radio resources.
ENB 102 determines distribution WLAN radio resources on predetermined E-RAB, and is sent in S160 is operated to UE 100 RRC connection reconfiguration messages including new radio resource configuration information.It can be sent based on UE 100 in S150 is operated Measurement report information determine new radio resource configuration information.
UE 100 is that UE 100 configures/applied new radio resource configuration information based on RRC connection reconfiguration messages For using WLAN radio resources.The used new radio resource configuration when UE 100 is using WLAN radio resources Information can include with the more multinomial informations of the next item down：WLAN community configured informations, using WLAN cells WLAN separate carrying WLAN separation carrying configuration information and WLAN tunnels carrying configuration information.WLAN separation carrying configuration information refer to by same When the related configuration informations of bearer types of data is transmitted to LTE radio resources using WLAN radio resources.WLAN tunnels Road carrying configuration information refers to related to transmitting the bearer types of data using IPsec tunnels by WLAN radio resources Configuration information.
Hereinafter, for convenience of description, it will be carried using tunnel and illustrated as an example.However, configuration WLAN The example of separation carrying is intended to be included within the scope of the present invention.
WLAN community configured informations can include one or more of the following：WLAN cell identifier informations, WLAN mobility aggregate information, WLAN bands/frequencies information and WLAN identification informations (BSSID/HESSID/SSID).It is alternative Ground, WLAN community configured informations can include：Instruction is treated to carry out the cell of WLAN access authentications to it among WLAN cells Information.For example, WLAN community configured informations can include one or more information in the following：Instruction is in predetermined cell WLAN access authentications information, instruction treat by WLAN radio resources to carry out data transmission wherein among WLAN cells Cell and instruction WLAN main plots information.Instruction treats that carrying out the information of the cell of WLAN access authentications to it can indicate： For indicating to be added to the information of the cell in WLAN mobility set.Based on instruction WLAN access authentication cells information or The information of the cell of wherein pending WLAN data transmission is indicated, UE 100 can carry out access authentication by corresponding cell. Different from above-mentioned, when UE 100 successfully carries out access authentication and eNB 102 passes through operation in S140 is operated for WLAN cells When S150 is aware of the successfully access authentication state, eNB 102 can transmit WLAN community configured informations to UE 100, and Do not include the information that instruction needs WLAN access authentications in respective cell.For example, can include and transmit instruction treating from WLAN The information of the WLAN cells discharged in mobility set.
Tunnel carries configuration information or tunnel configuration information can be including at least one information in the following：eNB 102 IP address or be connected with eNB 102 gateway (be ready to use in by WLAN radio resources UE 100 and eNB 102 it Between establish tunnel) IP address；Eps carrying identification informations (eps-bearerIdentity)；Tunnel entity configuration information (example Such as, have IPsec carryings encapsulation/decapsulation, IPsec security associations and key exchange at least one entity), safety letter Breath, eNB endpoint of a tunnel identification information, the DRB identification informations by WLAN radio resources using the DRB in IPsec tunnels (drb-Identity), UE endpoint of a tunnel identification information.
UE 100 applies new wireless resource configuration, and is sent in S170 is operated to eNB 102 RRCConnectionReconfigurationComplete message is as response.
Hereinafter, data can only represent user plane data in the narrow sense, or can represent sensu lato including control The data of panel data processed.
It is operation associated that UE 100 carries out WLAN in S180 and S185 is operated.
Associated for example, UE 100 carries out WLAN with WLAN node 101.
As another example, UE 100 carries out WLAN accesses with WLAN node 101 (for example, WLAN AP/AC/ terminals) to be recognized Card.This can pass through 3GPP core network entities 103 (AAA/HSS or the 3GPP defined in UE 100 and 3GPP TS 33.402 AAA is acted on behalf of) between access authentication procedure carry out.AAA/HSS 103 and/or 3GPP AAA agency's uses are closed by WLAN node IP address (or the IPv6 prefixes distributed in successful certification；Hereinafter, IP address for ease of illustration is used, and herein In the case of, IP address includes IPv6 prefixes).After authentication, can be configured based on the IP address distributed from WLAN node 101 UE 100.IP address can be used to send the message for being used for establishing IPsec tunnels with UE 100, or be used as in UE The source address of the external header in the IPsec tunnels between 100 and eNB 102.UE 100 and eNB 102 enables eNB 102 UE 100 IP address is identified, to establish IPsec tunnels by WLAN radio resources.For example, AAA/HSS 103,3GPP AAA agencies, 3GPP core network entities (MME, PGW) or core network entity including dhcp server functionality can be to eNB 102 Transmit UE 100 IP address (it is allocated in UE IP address/renewal/being distributed during release from WLAN node 101/updates/releases Put).As another example, when the radio resource configuration based on the eNB 102 such as operated in S160 is from WLAN node 101 to UE During 100 distribution IP address, UE 100 includes dividing from WLAN node 101 in RRC information (for example, WLAN states/informational message) The UE 100 matched somebody with somebody IP address, and it is sent to eNB by the interface (for example, Uu interfaces) between UE 100 and eNB 102 102.In addition, when from discharging UE 100 and release IP address in the associating of WLAN node 101, UE 100 can be reported To eNB 102.As another method, UE 100 includes the IP address of the UE 100 from the distribution of WLAN node 101 in MAC CE, And it is sent to eNB 102 by the interface (Uu) between UE 100 and eNB 102.
As another example, the WLAN that can be performed between UE 100 and eNB 102 performs access authentication procedure.eNB 102 can use the IP address (or IPv6 prefixes) distributed from WLAN node 101 for success identity.For example, work as UE 100 During by the IP address requestings such as DHCP protocol (or IPv6 prefixes), WLAN node 101 can ask certification and mandate from eNB 102 IP address (or IPv6 prefixes) in message.In order that row address distribution behaviour can be entered by eNB 102 by obtaining WLAN node 101 Make, UE 100 sends the information (for example, DHCP option information) for indicating the situation to WLAN node 101.Indicate WLAN node 101 information for needing to carry out UE IP address distribution by eNB 102 can be included in S160 is operated In RRCConnctionReconfiguration message, and UE 100 can be transferred into.ENB102 is based on WLAN node 101 from eNB 102 ask certification and authorization messages information (for example, WLAN node identification information, candidate's IP address (or IPv6 prefixes) and version information in one or more information) specify treat by corresponding WLAN node 101 distribute IP address (or IPv6 prefixes), and provide it to WLAN node 101.IP address (or IPv6 prefixes) is supplied to UE by WLAN node 101 100.After certification, UE 100 can be configured based on the IP address distributed from WLAN node 101.IP address can be used to send out Send for establishing the message in IPsec tunnels with UE 100, or the IPsec tunnels being used as between UE 100 and eNB 102 The source address of the external header in road.
After UE 100 WLAN associations are completed, UE 100 can start internet key exchange (IKE) and establish process.When ENB 102 required when establishing IPsec tunnels UE 100 IP address can lead to the IP address of the gateways being connected of eNB 102 Cross and be included in operation S160 RRCConnctionReconfiguration message to provide.Alternatively, as completion UE After 100 WLAN associations, the tunnel configuration information for establishing tunnel can be received from eNB 102 and confidence is matched somebody with somebody in tunnel carrying Breath.
In the above description, provided by reference to accompanying drawing and pass through WLAN radio resources and eNB configured tunneling techniques for UE Method detailed example.
As described above, WLAN configures the cell coverage area smaller than eNB cell, thereby increases and it is possible to needs the time to carry out WLAN and connects Enter certification and tunnel building, so that UE can use WLAN radio resources.Therefore, enter using eNB radio resources Being carried out when row data send and receive and using the tunnel established by WLAN radio resources can when data send and receive Can existence time delay.Therefore, except the tunnel building and access authentication using WLAN radio resources described with reference to figure 1 Outside process, it may be considered that various access authentications and tunnel establishment procedure.Hereinafter, by description and WLAN access authentications, tunnel The various embodiments related to carrying configuration process are established in road.
First embodiment：The control activation after the carrying using WLAN radio resources to be configured to disarmed state Method
As described above, after WLAN measurement reports are sent to eNB, UE can be received from eNB for applying new radio The configuration information of configuration.
For example, UE receives RRCConenctionReconfiguration message from eNB, and it can be included within and accordingly disappear New radio configuration information in breath is applied to UE.
For example, UE (can be hung up the tunnel entity configuration for being carried out control data transmission/reception using tunnel into failure Or disabling) state, carried out data transmission until WLAN access authentications and tunnel building can be based on by WLAN radio resources. That is, UE can be by tunnel entity configuration into failure state, until the operation S180 or S185 or S190 in Fig. 1.It is alternative Ground, UE can be by tunnel entity configurations into failure state, until being successfully made operation after predetermined timer initiation S180, S185 or S190.
Especially, UE can be based on new radio resource configuration information configuration tunnel entity, and can make tunnel entity Failure.When tunnel entity fails, then on being carried through what WLAN radio resources were carried out using the tunnel of the tunnel entity Downlink data transmission or transmitting uplink data can fail.
ENB is known that WLAN access authentications or tunnel building are success or failure.ENB can carry out WLAN with UE Identify its success or failure during access authentication or tunnel building, or can by from UE receive with WLAN access authentications or Tunnel building related success or failure information determines success or failure.When UE is successfully made WLAN access authentications or tunnel When establishing, the tunnel bearing activation (recover or enable) of failure is sent and received user data by eNB.Therefore, eNB can be with Sent to UE for by the configured information of the tunnel bearing activation of failure.
Until tunnel carrying be configured to failure or by the tunnel bearing activation of failure before, eNB can pass through E-UTRAN Carry to UE send data/from UE receive data.Next, pass through RRCConnectionReconfiguration message, MAC CE or the configured information for indicating activation, eNB, which can carry E-UTRAN, to be changed to tunnel carrying and can be configured for UE Tunnel is carried for data transfer.By the above, it can overcome in WLAN access authentications or tunnel establishment procedure by the time Data-transmission interruptions problem caused by delay.
As another example, UE can make WLAN cells based on new radio resource configuration information configuration WLAN cells Failure.When WLAN cell outages, it is carried through WLAN radio resources for the tunnel connected with corresponding WLAN cells and enters Capable downlink data transmission or transmitting uplink data becomes to fail.ENB activates the WLAN cells of failure, and by small with WLAN Tunnel carrying transmission/reception user data of area's connection.ENB can send the finger for the WLAN cells of failure to be activated to UE Show information.
As another example, in the state of WLAN cells or tunnel carrying failure with the connection of corresponding WLAN cells, User data transmission fails.However, it is possible to it is configured to：The transmission of data, such as WLAN access authentications and tunnel can be controlled (tunneling mechanism foundation) is established in road.By above-mentioned, WLAN access authentications and tunneling mechanism foundation are possible.For example, until WLAN cells be activated or fail tunnel carrying be activated before, eNB can be carried by E-UTRAN to UE send data/ Data are received from UE.Next, refer to by RRCConnectionReconfiguration message, MAC CE or for activating Show information, eNB, which can carry E-UTRAN, to be changed to tunnel carrying and can transmit data.
According to the above-mentioned embodiment of the present invention, UE is based on the radio resource configuration information configuration received from eNB WLAN cells, tunnel entity and tunnel carrying, and they are kept into failure until completing tunnel building and WLAN access authentications.Connect Get off, when completing tunnel building and WLAN access authentications, can be led to based on the activation instruction from eNB or carrying change instruction Cross tunnel and carry out data transmission/reception.
Second embodiment：The method of configured tunneling technique carrying after the tunnel is established
As it appears from the above, after WLAN measurement reports are sent to eNB, UE can be received from eNB for using new radio The configuration information of configuration.For example, UE receives RRCConenctionReconfiguration message from eNB, and it is included within phase The new radio resource configuration Information application in message is answered in UE.
It can include WLAN cell configurations for the new radio resource configuration information using WLAN radio resources to believe Breath.WLAN community configured informations can include at least one or a plurality of information in the following：WLAN cell identifier informations, WLAN mobility aggregate information, WLAN bands/frequencies information and WLAN identification informations (BSSID/HESSID/SSID).It is alternative Ground, with reference to treating to carry out the cell of WLAN access authentications to it among WLAN cells, it can treat that carrying out WLAN to it connects including instruction Enter the information of the corresponding WLAN cells of certification.Alternatively, instruction can be included to treat to pass through wherein among WLAN cells The information for the cell (for example, main plot) that WLAN radio resources carry out data transmission.
Alternatively, can include for the new radio resource configuration information using WLAN radio resources：Instruction The information of WLAN access authentications and for being believed by the tunnel configuration in WLAN radio resource configurations tunnel (such as IPsec tunnels) Breath.Tunnel configuration information can include at least one information in the following：With establishing the IP of the eNB needed for IPsec tunnels The IP address of location or the gateway being connected with eNB, key assignments, security association/negotiation information, AES and authentication method information.
When the information or instruction that receive the instruction WLAN access authentication cells being included in WLAN cell configurations stay in it During the information of the middle cell for carrying out WLAN data transmission, UE can carry out access authentication by corresponding WLAN cells.It is alternative Ground, eNB, which can be sent, enables UE to attempt to carry out the MAC CE of access authentication for WLAN access authentications cell, and UE can be with Receive corresponding MAC CE and carry out access authentication for WLAN access authentications cell.
Next, UE is based on tunnel configuration information establishes tunnel by WLAN radio resources and eNB.By WLAN without During line electric resources establish tunnel, at least one in key assignments, security association/negotiation information, AES and authentication method Bar information can be included in RRC information and can send or receive by the Uu interfaces between UE and eNB.Alternatively, During tunnel is established, at least one information in key assignments, security association/negotiation information, AES and authentication method It can send or receive in the path using WLAN radio resources.
When being successfully set up tunnel, eNB is sent to UE includes tunnel carrying configuration information RRCConnectionReconfiguration message.Including tunnel carrying configuration information RRCConnectionReconfiguration message can be with believing including WLAN access authentications configured information and tunnel configuration The different message of the message of breath.I.e., first, UE receives WLAN community configured informations and tunnel configuration information and carries out WLAN accesses Certification and tunnel building, next, UE can receive tunnel carrying configuration information in addition.
For example, tunnel carrying configuration information includes following one or more information：Esp carryings for the carrying of each tunnel Identification information (eps-bearerIdentity), tunnel entity configuration information, security information, eNB endpoint of a tunnel identification information, The endpoint of a tunnel identification information of DRB identification informations (drb-Identity) and UE.Tunnel entity refers to one in processing the following Kind or the entity of a variety of operations：IPsec headers encapsulation/decapsulation, IPsec security associations and key exchange.
After configured tunneling technique carrying, UE sends RRCConnectionReconfigurationComplete message conducts Response.For example, until complete or successfully carry out tunnel building untill, eNB can be carried by E-UTRAN to UE send data/ Data are received from UE.Next, eNB can be changed E-UTRAN carryings by RCConnectionReconfiguration message Carry, and can be carried using tunnel for tunnel.
WLAN in the radio resource configuration information received above description provided wherein UE using being included in from eNB Community configured information and tunnel configuration information and complete WLAN access authentications and tunnel building, in addition receive tunnel carrying matches somebody with somebody confidence Breath, and carry out data transmission/reception using tunnel carrying.By above-mentioned, UE by E-UTRAN carry to eNB send data/from ENB receives data, until being configured with tunnel carrying, therefore, can overcome data outage problem.
3rd embodiment：The method for establishing tunnel carrying and E-UTRAN associated with it carryings simultaneously
As described above, after WLAN measurement reports are sent to eNB, UE can be received from eNB for using newly wireless The configuration information of electricity configuration.For example, UE receives RRCConenctionReconfiguration message from eNB, and will can wrap The new radio resource configuration Information application in corresponding message is included in UE.
It can include WLAN cell configurations for the new radio resource configuration information using WLAN radio resources to believe Breath and tunnel carrying configuration information.In addition, radio resource configuration information can include with the E-UTRAN's of tunnel bearing association E-UTRAN carries configuration information.WLAN cells have the coverage smaller than E-UTRAN cell, and unmanageable radio Resource.Therefore, eNB includes the E-UTRAN of E-UTRAN cells is used in combination with tunnel carrying in radio resource configuration information The E-UTRAN carrying configuration informations (DRB-ToAddMode) of carrying (retract carrying), and cause E-UTRAN carryings can by with It is set to and is used for UE, so as to which UE can be switched fast carrying when being gone wrong in WLAN radio links.UE is based on the following In one by predetermined radio bearer identity be and tunnel bearing association E-UTRAN carry：Eps carries identification information (eps-bearerIdentity), DRB identification informations (drb-Identity) and the instruction carrying associated with tunnel carrying Configured information.
For example, UE can be by sending and receiving data, until according to WLAN with the E-UTRAN of tunnel bearing association carryings Access authentication and tunnel building can be carried out data transmission by WLAN radio resources.When can lead to after WLAN cell identifications When crossing WLAN radio resources and carrying out data transmission, UE can make E-UTRAN carryings (or carrying RLC/PDCP entities) failure.When During E-UTRAN carrying failures, RLC entities and PDCP entities can be reconfigured.
As another example, UE can make and the E-UTRAN of tunnel bearing association carryings (or carrying RLC/PDCP entities) Failure, until UE detects failure or UE releases tunnel carrying from WLAN radio links.When UE examines from WLAN radio links When measuring failure, UE can be by the E-UTRAN bearing activations with tunnel bearing association.
As another example, eNB can transmit instruction to UE and wait to make among carrying with the E-UTRAN of tunnel bearing association The information of carrying.UE can be based on configured information and receive or send data by carrying entity accordingly.
Failure in above-mentioned WLAN radio links can refer to one or more situations in the following：WLAN radio The quality (for example, beacon RSSI, channel usage, passback rate, WLAN signal intensity) of link is less than the situation of predetermined threshold；Pre- The quality of WLAN radio links is less than the situation of predetermined threshold in section of fixing time；It is not received by and is directed within a predetermined period of time The situation of the feedback of WLAN transmission；The situation that at least scheduled volume is lost is detected from the feedback transmitted for WLAN；With pre- There is no the situation for successfully carrying out WLAN access authentications in section of fixing time.
In the embodiment that above description provides, eNB transmits the WLAN cell configurations for WLAN access authentications to UE Information and the tunnel carried for configured tunneling technique carry configuration information and the E-UTRAN associated carries configuration information, and UE makes Loss of data is prevented with the E-UTRAN of tunnel bearing association carryings.
4th embodiment：The method that carrying configuration information in tunnel is received after WLAN access authentications
As described above, after WLAN measurement reports are sent to eNB, UE can be received from eNB for using newly wireless The configuration information of electricity configuration.For example, UE receives RRCConenctionReconfiguration message from eNB, and it is included within New radio resource configuration Information application in corresponding message is in UE.
It can include WLAN cell configurations for the new radio resource configuration information using WLAN radio resources to believe Breath.Alternatively, new radio resource configuration information or WLAN community configured informations can include instruction WLAN access authentications Information.For example, WLAN community configured informations can include following one or more information：WLAN cell identifier informations, WLAN mobility aggregate information, WLAN WLAN bands/frequencies information and WLAN identification informations (BSSID/HESSID/SSID). It is related to treating to carry out it cell of WLAN access authentications among WLAN cells, it can treat to carry out WLAN wherein including instruction The information of the corresponding cell of access authentication.Alternatively, can be treated including instruction among WLAN cells wireless by WLAN The information for the cell (for example, main plot) that electric resources carry out data transmission.
When UE receive instruction WLAN access authentication cells information or instruction treat to carry out WLAN data transmission wherein During the information (it is included in WLAN cell configurations) of cell, UE can carry out access authentication by corresponding WLAN cells.Can As an alternative, in the case where eNB sends MAC CE (it enables UE to attempt access authentication for WLAN access authentications cell), When UE receives corresponding MAC CE, UE can be directed to WLAN access authentications cell and carry out access authentication.
ENB can determine whether UE is successfully made access authentication in UE WLAN access authentication procedures.Alternatively, ENB can determine to be successfully made UE WLAN access authentications by receiving successful WLAN access authentications information from UE.For This, when being successfully made UE WLAN access authentications, UE can send WLAN access confirmation messages to eNB.
After it is determined that being successfully made UE WLAN access authentications, eNB is sent to UE RRCConnectionReconfiguration message, it include be used for establish tunnel tunnel configuration information and tunnel carrying match somebody with somebody At least one information in confidence breath.Configuration information is carried including tunnel configuration information and/or tunnel RRCConnectionReconfiguration message can by with send WLAN community configured informations (including WLAN access recognize Card configured information) the different message of message transmit.
When UE receive including tunnel configuration information and/or tunnel carrying configuration information high-level signaling (for example, RRCConenctionReconfiguration message) when, UE can pass through WLAN radio resources based on tunnel configuration information Tunnel is established with eNB, can be carried with configured tunneling technique, and confirmation message can be sent to eNB.Confirmation message can be included in In RRCConnectionReconfigurationComplete message.
Alternatively, when UE receives the high-level signaling including tunnel configuration information and/or tunnel carrying configuration information, UE uses corresponding configuration information, and sends RRCConnectionReconfigurationComplete message to eNB.Connect down Come, UE establishes tunnel based on tunnel configuration information.Gone wrong in addition, working as the WLAN radio links in tunnel establishment procedure When, UE can be reported to eNB by RRC information.
For example, before completing or being successfully made WLAN access authentications, eNB can be carried by E-UTRAN to UE Send data/from UE receive data.Next, pass through RRCConnectionReconfiguration message or MAC CE, eNB The instruction for being converted into tunnel and carry and send data E-UTRAN carryings can be provided.UE can be carried through for tunnel WLAN radio resources using IPsec tunnels come send/receive data.
As described above, in the present embodiment, the WLAN cell configurations letter for WLAN access authentications can be sent in succession Breath and the high-level signaling for establishing tunnel and being carried for configured tunneling technique.Simultaneously as described above, successfully completing UE's After WLAN access authentications, by the instruction of configured tunneling technique carrying, UE and eNB can use WLAN radio resources to carry out data Transmission/reception is without interrupting.
Hereinafter, the operation of the 4th embodiment will be described in detail with reference to the attached drawings.
Fig. 2 is to show to be added according to the WLAN radio resources based on tunneling mechanism of another embodiment of the present invention The figure of journey.
UE 100 in the present embodiment is configured in operation 200 from the measurements received for measuring WLAN of eNB 102 Information.Measurement configuration information can be received by being included in high-level signaling.For example, measurement configuration information can pass through by It is included in RRC connection reconfiguration messages and is received.Measurement configuration information can include being used to measure working as UE 100 and eNB The parameter of 102 WLAN cells required when entering row data communication using WLAN radio resources.That is, eNB 102 is connected by RRC Reconfiguration message is configured to the WLAN measurement operations of LTE-WLAN polymerizations for UE.
In S210 is operated, UE 100 configures to the received measurement configuration information for UE 100, and to ENB 102 sends response message.Response message can be that RRC connections reconfigure completion message.
Next, in S220 is operated, UE 100 reports that the result of WLAN measurements (matches somebody with somebody confidence based on measurement to eNB 102 Breath measures).ENB 102 is based on the WLAN metrical informations received from UE 100 for LTE-WLAN polymerization techniques configuration UE 100。
In S230 is operated, eNB 102 to UE 100 send for sent using WLAN radio resources/receive data WLAN community configured informations.WLAN community configured informations can be sent by being included in RRC connection reconfiguration messages To UE 100.WLAN community configured informations can include at least one in WLAN mobility aggregate information and WLAN identification informations Information.In addition, WLAN community configured informations can include treating to carry out it WLAN cell phases of access authentication operation with UE 100 The information (for example, configured information of instruction WLAN cells) of pass.
In S240 is operated, UE 100 applies WLAN community configured informations to UE 100, and sends and respond to eNB102 Message.Response message can be included in RRC connections and reconfigure in completion message.
In S250 is operated, UE 100 is operation associated based on the WLAN community configured informations progress WLAN received.Can be with It is operation associated that WLAN is carried out between WLAN node 101 and UE 100.Operation associated by WLAN, UE 100 can successfully connect Enter WLAN.It is operation associated that WLAN can be employed as with reference to the various WLAN access authentications operation that figure 1 describes.
In S260 is operated, UE 100 sends WLAN connection status letter based on execution operation associated WLAN to eNB 102 Breath.For example, when UE 100 completes WLAN access authentications, UE 100 sends the information for confirming WLAN associations to eNB 102.eNB 102 can determine whether UE 100 has been successfully accessed WLAN node 101 using received WLAN connection state informations.
In S270 is operated, eNB 102 from UE 100 receive WLAN connection state informations, and send for using WLAN without Line electric resources establish the tunnel configuration information in tunnel between UE 100 and eNB 102.Tunnel configuration information can be by being wrapped Include and be sent to UE 100 in high-level signaling (for example, RRC connections reconfiguration message).Tunnel configuration information can include configuration Parameter information needed for IPsec tunnels.Alternately, eNB 102 can also include tunnel in operation S270 high-level signaling Configuration information is carried, and can be sent to.Carrying configuration information in tunnel can include with being configured to be sent/connect using tunnel Receive the carrying identification information of the bearing association of data.For example, carrying configuration information in tunnel can include with being configured to use tunnel The DRB identification informations of the DRB associations in road.
UE 100 receives the high-level signaling for including tunnel configuration information or tunnel carrying configuration information, will be directed to UE100 pairs It is configured, and sends response message to eNB 102 in S280 is operated.Response message can be included in RRC connections weight Configure in message.
In S290 is operated, UE 100 is based on tunnel configuration information and established by WLAN radio resources and eNB102 IPsec tunnels, and send/receive the data of radio bearer based on tunnel carrying configuration information using IPsec tunnels.
As described above, IPsec tunnels, UE are established using WLAN radio resources and eNB 102 by using high-level signaling 100 can send/receive data.In addition, after successfully WLAN associations are carried out using the information for WLAN access authentications, UE 100 are received for establishing tunnel and for the information of configured tunneling technique carrying, and it is configured for UE 100, so that The time delay as caused by access authentication and tunnel building minimizes.That is, can directly carry out passing through tunnel after tunnel is set The data send/receive operation that road is carried out, without other operation, such as in the time delay as caused by WLAN access authentications Period makes tunnel entity failure.
Hereinafter, the operation of the 4th embodiment will be described from UE and eNB angle.
Fig. 3 is the figure for the operation for showing the UE according to another embodiment of the present invention.
UE according to the embodiment of the present invention includes：Received in operation s 310 from eNB for using WLAN (WLAN) radio resource sends/received the operation of the WLAN community configured informations of data.As described above, WLAN cell configurations are believed Breath includes the parameter required when UE accesses WLAN cells.For example, WLAN community configured informations can include in the following It is one or more：WLAN cell identifier informations, WLAN mobility aggregate information, WLAN bands/frequencies information and WLAN identifications Information (BSSID/HESSID/SSID).Alternatively, WLAN community configured informations can include indicating to treat among WLAN cells The information of the cell of WLAN access authentications is carried out to it.For example, WLAN community configured informations can include it is following one or more Information：Indicate that the information of the association certifications of the WLAN in predetermined cell, instruction are treated to pass through WLAN wherein among WLAN cells Cell that radio resource carries out data transmission, the information of instruction WLAN main plots.
UE includes operation associated based on WLAN community configured informations progress WLAN in operation S320.UE is based on WLAN cells Configuration information carries out access authentication operation for WLAN cells.The WLAN cells for treating to carry out it access authentication operation can pass through WLAN community configured informations are designated, or can be designated by the MAC CE received from eNB.Alternatively, WLAN cells It can be designated by other various methods.
Next, UE includes the operation that WLAN access confirmation messages are sent to eNB in operation s 330.Connect when completing WLAN After entering certification, UE can be sent in S320 is operated to eNB to be included being connected shape with the WLAN of the information of WLAN access states association State is reported.ENB determines that UE completes WLAN access authentications or WLAN connects based on received WLAN connection status report Enter authentification failure.
UE operation S340 include by high-level signaling from eNB receive for pass through WLAN radio resources eNB with The operation of the tunnel configuration information in tunnel is established between UE.For example, when completing WLAN access authentications, UE can receive from eNB For establishing the parameter needed for tunnel using WLAN radio resources.The parameter can be by being included in tunnel configuration information In and received, and can by RRC couple reconfiguration message be received.
High-level signaling including tunnel configuration information can also include being used for configuration matching somebody with somebody using the radio bearer in tunnel Confidence ceases.Carrying configuration information in tunnel can include the DRB related to the DRB for being configured to use tunnel to send/receive data Identification information.UE can use tunnel by the appointed radio bearer configuration of DRB identification informations is based among radio bearer The radio bearer in road.
By described above, UE is using WLAN radio resources and eNB configured tunneling techniques and by will be with WLAN access authentications Related time delay minimizes and transmission/reception data.
Fig. 4 is the operation (including tunnel is set) for showing the user equipment (UE) according to another embodiment of the present invention Figure.
With reference to figure 4, UE also includes establishing mutually by WLAN radio resources based on tunnel configuration information in S450 is operated Internet Protocol Security (IPsec) tunnel and using IPsec tunnels to eNB send data/from eNB receive data operation.Operation S310 to S330 is carried out in a manner of with identical described in Fig. 3, therefore, will omit its detailed description.
UE uses the tunnel configuration information of the high-level signaling received in S340 is operated and eNB to establish IPsec tunnels.This Outside, UE can carry configuration information to configure the radio bearer using IPsec tunnels based on tunnel.
UE can using IPsec tunnels (it is set using WLAN radio resources) to eNB send/from eNB receive tunnel The data of road carrying.Therefore, tunnel carrying can with tunnel entity associated, and tunnel entity to high level data add IPsec Header is simultaneously sent to lower floor, and removes IPsec headers from the data received from lower floor and be sent to upper strata.
Fig. 5 is the figure for the operation for showing the enode b (eNB) according to another embodiment of the present invention.
With reference to figure 5, eNB includes sending for sending out using WLAN (WLAN) radio resource to UE in operation S510 Send/receive the operation of the WLAN community configured informations of data.WLAN community configured informations are included when UE access WLAN cells when institute The parameter needed.For example, WLAN community configured informations can include following one or more message：WLAN cell identifier informations, WLAN mobility aggregate information, WLAN bands/frequencies information and WLAN identification informations (BSSID/HESSID/SSID).It is alternative Ground, WLAN community configured informations can include instruction to be treated to carry out the letter of the cell of WLAN access authentications to it among WLAN cells Breath.For example, WLAN community configured informations can include following one or more information：Indicate the WLAN associations in predetermined cell The information of certification, the cell for indicating to treat by WLAN radio resources to carry out data transmission wherein among WLAN cells, refer to Show the information of WLAN main plots.ENB is sent with tunnel configuration unpack in advance to be recognized when UE carries out access for WLAN cells Required WLAN community configured informations during card operation.
In addition, eNB includes receiving the operation of WLAN access authentication message from UE in operation S520.UE is based on WLAN cells Configuration information is associated operation for WLAN cells, and the information related to WLAN cell access states is sent to eNB.eNB UE WLAN cells are determined based on the WLAN cell access state information being included in received WLAN access authentication message Access state.
In addition, eNB includes sending for by WLAN radio resources existing to UE by high-level signaling in operation S530 The tunnel configuration information in tunnel is established between eNB and UE.When completing UE WLAN cell access authentications, eNB can be used Parameter needed for WLAN radio resources transmission tunnel building.The parameter can by be included in tunnel configuration information and Sent, and can be sent by RRC connections reconfiguration message.
High-level signaling including tunnel configuration information can also include being used for the tunnel for configuring the radio bearer using tunnel Road carries configuration information.Carrying configuration information in tunnel can include the DRB phases with being configured to be sent/received using tunnel data The DRB identification informations of pass.The radio bearer configuration that eNB will can be specified among radio bearer based on DRB identification informations To use the radio bearer in tunnel.
Fig. 6 is the figure for the operation (including tunnel is set) for showing the eNB according to another embodiment of the present invention.
With reference to figure 6, eNB also includes establishing by WLAN radio resources based on tunnel configuration information in operation s 640 IPsec tunnels and using IPsec tunnels to UE send data/from UE receive data operation.Operate S510 to S530 with Fig. 5 Described in identical mode carry out, therefore, its detailed description will be omitted.
ENB can be based on tunnel configuration information and establish IPsec tunnels with UE.In addition, eNB can be based on tunnel carrying configuration Information similar configuration uses the radio bearer in IPsec tunnels.ENB can use IPsec tunnels, and (it is provided using WLAN radio Source is set) data of tunnel carrying are sent/received from UE to UE.Therefore, tunnel carrying can be with tunnel entity associated, and tunnel Road entity adds IPsec headers to the data of high level and is sent to lower floor, and is removed from the data received from lower floor IPsec headers are simultaneously sent to upper strata.ENB tunnel entity may be configured to the tunnel entity equity with UE.
As described above, present embodiment can reduce the delay related to WLAN access authentications and tunnel building and by small Data-transmission interruptions caused by coverage, and can provide can recycle existing WLAN AP based on IPsec tunnels LTE-WLAN polymerize.
Institute in the present embodiment of the invention that can have been described in the above specification will be described with reference to the drawings Have or the UE and eNB of certain operations.
Fig. 7 is the block diagram for the configuration for showing the UE according to another embodiment of the present invention.
With reference to figure 7, the UE700 of transmission/reception data includes：Receiving unit 730, it is received for using WLAN from eNB Radio resource sends and receives the WLAN community configured informations of data；Controller 710, it is entered based on WLAN community configured informations Row WLAN is operation associated；Transmitting element 720, it sends WLAN access confirmation messages to eNB.
After WLAN access confirmation messages are sent, receiving unit 730 also by high-level signaling from eNB receive for UE with ENB establishes the tunnel configuration information in tunnel by WLAN radio resources.
Receiving unit 730 can be received tunnel by high-level signaling and carry configuration information, and tunnel carrying configuration information can With including the information for configuring the radio bearer using tunnel.For example, tunnel carrying configuration information can include with by with It is set to using DRB the identification informations related DRB in tunnel.
Controller 710 can be based on tunnel configuration information and establish IPsec tunnels with eNB, and tunnel carrying can be used to match somebody with somebody Confidence breath configured tunneling technique carrying.
In addition, the detailed control process of the LTE-WLAN polymerization techniques based on tunnel of WLAN radio resources is used in combination With data transmission method (they are implemented needed for above-mentioned embodiment), controller 710 controls UE 700 overall operation.
In addition, transmitting element 720 and receiving unit 730 can be used to send/receive from eNB to eNB to implement above-mentioned Signal, message or data needed for invention.
Fig. 8 is the block diagram for the configuration for showing the eNB according to another embodiment of the present invention.
With reference to figure 8, the eNB 800 of transmission/reception data can include：Transmitting element 820, it is sent for using to UE WLAN radio resources send and receive the WLAN community configured informations of data；Receiving unit 830, it receives WLAN accesses from UE Confirmation message.
After WLAN access confirmation messages are received, transmitting element 820 can be sent for leading to by high-level signaling to UE Cross the tunnel configuration information that WLAN radio resources establish tunnel between eNB and UE.In addition, transmitting element 820 can be to UE Send and carry configuration information for the tunnel configured using the radio bearer in tunnel.Tunnel carrying configuration information can be with tunnel Configuration information is sent together.
Controller 810 can be based on tunnel configuration information and set IPsec tunnels by WLAN radio resources, and can match somebody with somebody Put tunnel carrying.
In addition, LTE-WLAN polymerization technique based on tunnel of the controller 810 with using WLAN radio resources is detailed Control process and data transmission method (they are implemented needed for above-mentioned embodiment) control that UE's 700 is total in association Gymnastics is made.
In addition, receiving unit 830 can receive ascending control information, upstream data from UE by corresponding channel and disappear Breath.Transmitting element 820 can send Downlink Control Information, downlink data and message by corresponding channel to UE.
Had been omitted from for the sake of the brief description of this specification, refer in the above-described embodiment with standard and standard The related content of document, but it can be with as part of this specification.Therefore, when the one of the content and document related to standard When part is added in this specification or is designated in detail in the claims, it should be considered as the part of the present invention.
Although having been described for the preferred embodiment of the present invention for illustrative purposes, those skilled in the art should manage Solution, without departing substantially from the various modifications of the scope and spirit of the present invention disclosed in appended claims, addition and substitute all be can be with 's.Therefore, illustrative aspect of the invention is not described for limiting purpose.The scope of the present invention should be considered as to wrap Include all technical concepts in the range of equivalent to the claim belong to the present invention mode be based on appended right will Ask.

Claims (15)

1. one kind is used for the method that user equipment (UE) sends and receives data, methods described includes：
Received from enode b (eNB) for sending and receiving data using WLAN (WLAN) radio resource WLAN community configured informations；
WLAN associations are carried out based on the WLAN community configured informations；
WLAN access confirmation messages are sent to eNB；With
Received by high-level signaling from eNB and tunnel is established by the WLAN radio resources for the UE and eNB Tunnel configuration information.
2. according to the method for claim 1, wherein the WLAN community configured informations include WLAN mobility aggregate informations With it is at least one in WLAN identification informations.
3. according to the method for claim 1, wherein the high-level signaling also includes being used to configure the nothing using the tunnel The tunnel carrying configuration information of line electricity carrying.
4. according to the method for claim 3, wherein tunnel carrying configuration information includes being configured with the tunnel Road sends and receives data radio carrying (DRB) identification information of data.
5. the method according to claim 11, in addition to：
Configuration information is carried based on the tunnel the Internet protocol security (IPsec) tunnel is set by WLAN radio resources； With
Data are sent to eNB and/or receive data from eNB using the IPsec tunnels.
6. one kind is used for the method that enode b (eNB) sends and receives data, methods described includes：
The WLAN for sending and receiving data using WLAN (WLAN) radio resource is sent to user equipment (UE) Community configured information；
WLAN access confirmation messages are received from the UE；With
Sent by high-level signaling to the UE and tunnel is established by the WLAN radio resources for the eNB and UE Tunnel configuration information.
7. according to the method for claim 6, wherein the WLAN community configured informations include WLAN mobility aggregate informations With it is at least one in WLAN identification informations.
8. according to the method for claim 6, wherein the high-level signaling also includes being used to configure the nothing using the tunnel The tunnel carrying configuration information of line electricity carrying.
9. according to the method for claim 8, wherein tunnel carrying configuration information includes being configured with the tunnel Road sends and receives data radio carrying (DRB) identification information of data.
10. the method according to claim 11, in addition to：
Configuration information is carried based on the tunnel the Internet protocol security (IPsec) tunnel is set by WLAN radio resources； With
Data are sent to UE by the IPsec tunnels and/or receive data from UE.
11. a kind of user equipment (UE) for sending and receiving data, the UE include：
Receiving unit, it is received for being sent and being connect using WLAN (WLAN) radio resource from enode b (eNB) Receive the WLAN community configured informations of data；
Controller, it is based on the WLAN community configured informations and carries out WLAN associations；
Transmitting element, it sends WLAN access confirmation messages to eNB,
Wherein, after the WLAN access confirmation messages are sent, the receiving unit is also received by high-level signaling from eNB to be used for The UE and eNB establishes the tunnel configuration information in tunnel by the WLAN radio resources.
12. UE according to claim 11, wherein the WLAN community configured informations include WLAN mobility aggregate informations With it is at least one in WLAN identification informations.
13. UE according to claim 11, wherein the high-level signaling also includes being used to configure the nothing using the tunnel The tunnel carrying configuration information of line electricity carrying.
14. according to the method for claim 13, wherein tunnel carrying configuration information is described including being configured with Tunnel sends and receives data radio carrying (DRB) identification information of data.
15. UE according to claim 11, wherein the controller is wireless by WLAN based on the tunnel configuration information Electric resources establish the Internet protocol security (IPsec) tunnel；And
The transmitting element sends data using the IPsec tunnels to eNB, and the receiving unit uses the IPsec tunnels Data are received from eNB.
CN201610818101.9A 2015-09-24 2016-09-12 Method and apparatus for transmitting and receiving data using WLAN radio resources Active CN107343324B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20150135795 2015-09-24
KR10-2015-0135795 2015-09-24
KR10-2016-0073112 2016-06-13
KR1020160073112A KR102002203B1 (en) 2015-09-24 2016-06-13 Methods for transmitting and receiving data using WLAN radio resources and Apparatuses thereof

Publications (2)

Publication Number Publication Date
CN107343324A true CN107343324A (en) 2017-11-10
CN107343324B CN107343324B (en) 2020-12-04

Family

ID=58588459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610818101.9A Active CN107343324B (en) 2015-09-24 2016-09-12 Method and apparatus for transmitting and receiving data using WLAN radio resources

Country Status (2)

Country Link
KR (1) KR102002203B1 (en)
CN (1) CN107343324B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019134114A1 (en) * 2018-01-05 2019-07-11 Oppo广东移动通信有限公司 Method for allocating identifier of data bearer, and terminal device and network device
WO2024036492A1 (en) * 2022-08-16 2024-02-22 Zte Corporation Assurance of service continuity by facilitating handovers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102322381B1 (en) 2018-02-14 2021-11-10 주식회사 케이티 Method for processing a RRC message of relay node and Apparatuses thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102918925A (en) * 2011-05-31 2013-02-06 华为技术有限公司 System, device for convergence transmission and method for data distribution convergence
US20130336153A1 (en) * 2010-12-17 2013-12-19 Jing Liang Method and system for reporting terminal measurement and inter-operating between systems
CN103974325A (en) * 2013-01-31 2014-08-06 华为技术有限公司 Multi-system network convergence method, device and system
CN104798355A (en) * 2012-09-18 2015-07-22 思杰系统有限公司 Mobile device management and security

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140105357A (en) * 2013-02-22 2014-09-01 주식회사 케이티 Methods and apparatuses for managing WLAN connectivity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130336153A1 (en) * 2010-12-17 2013-12-19 Jing Liang Method and system for reporting terminal measurement and inter-operating between systems
CN102918925A (en) * 2011-05-31 2013-02-06 华为技术有限公司 System, device for convergence transmission and method for data distribution convergence
CN104798355A (en) * 2012-09-18 2015-07-22 思杰系统有限公司 Mobile device management and security
CN103974325A (en) * 2013-01-31 2014-08-06 华为技术有限公司 Multi-system network convergence method, device and system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALCATEL-LUCENT: "Further considerations on the user plane architecture for LTE-WiFi aggregation", 《3GPP TSG-RAN WG2 MEETING #90 R2-152616》 *
QUALCOMM INCORPORATED, KT CORP: "WLAN Selection and Mobility", 《3GPP TSG-RAN WG2 MEETING #90 R2-152739》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019134114A1 (en) * 2018-01-05 2019-07-11 Oppo广东移动通信有限公司 Method for allocating identifier of data bearer, and terminal device and network device
US11431457B2 (en) 2018-01-05 2022-08-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for allocating identifier (ID) of data bearer, terminal device and network device
WO2024036492A1 (en) * 2022-08-16 2024-02-22 Zte Corporation Assurance of service continuity by facilitating handovers

Also Published As

Publication number Publication date
CN107343324B (en) 2020-12-04
KR102002203B1 (en) 2019-10-02
KR20170037493A (en) 2017-04-04

Similar Documents

Publication Publication Date Title
CN106559409B (en) The method and device thereof of data are sent and received using WLAN carrier wave
US20240089139A1 (en) Mixed mode multicast architecture
US10721118B2 (en) Method for configuring dual-connectivity by terminal, and apparatus therefor
US10631287B2 (en) Method and apparatus for supporting multi-radio access technology
US10616932B2 (en) Method for configuring wireless connection of terminal and apparatus therefor
CN103139911B (en) Realize the method for carrier aggregation, base station and subscriber equipment
JP6006287B2 (en) Method and apparatus for performing membership confirmation or connection control in a wireless communication system
KR101903621B1 (en) User equipment and protocol and methods for device-to-device communication
US11006467B2 (en) Method and apparatus for transmitting and receiving data using WLAN radio resources
CN109417721A (en) For sending or receiving the method and its equipment of data under dual link state
US10736175B2 (en) Method for processing data using WLAN carrier and apparatus therefor
KR102038500B1 (en) Methods for processing uplink data And Apparatuses thereof
US11832321B2 (en) Unicast link management via radio resource control signaling
CN105814957A (en) Systems and methods for multi-connectivity operation
TR201904857T4 (en) Communication System
CN107079382B (en) Method and apparatus for supporting multiple radio access technologies
CN107343324A (en) Method and apparatus for sending and receiving data using WLAN radio resources
US11963243B2 (en) Establishing a signaling connection in a wireless network
US20240031890A1 (en) Techniques for remote user equipment handover due to relay user equipment mobility
CN107079449A (en) The method and apparatus for sending/receiving data using WLAN carrier waves
KR101915842B1 (en) Methods for transmitting and receiving data using WLAN carriers and Apparatuses thereof
KR20170036959A (en) Methods and apparatus for LTE-WLAN mobility control

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant