WO2016180115A1 - 一种融合组网系统中建立传输通道的方法和装置 - Google Patents

一种融合组网系统中建立传输通道的方法和装置 Download PDF

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Publication number
WO2016180115A1
WO2016180115A1 PCT/CN2016/078718 CN2016078718W WO2016180115A1 WO 2016180115 A1 WO2016180115 A1 WO 2016180115A1 CN 2016078718 W CN2016078718 W CN 2016078718W WO 2016180115 A1 WO2016180115 A1 WO 2016180115A1
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network element
information
wlan system
system network
wlan
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PCT/CN2016/078718
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English (en)
French (fr)
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高音
黄河
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中兴通讯股份有限公司
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Priority to US15/743,399 priority Critical patent/US10506474B2/en
Publication of WO2016180115A1 publication Critical patent/WO2016180115A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
    • H04W36/00226—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB] wherein the core network technologies comprise IP multimedia system [IMS], e.g. single radio voice call continuity [SRVCC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/20—Interfaces between hierarchically similar devices between access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Definitions

  • This application relates to, but is not limited to, the field of communications.
  • Wireless Internet is the fastest growing industry in the world with the most market potential and the most attractive prospects.
  • Wireless access is the core technology of the mobile Internet industry.
  • multiple advanced radio access technologies (Multi-RAT) coexist, enabling user terminals to access the wireless network at high speed and enjoy high-quality services.
  • typical technologies include a wireless wide area network access technology represented by LTE (Long Term Evolution) and a wireless local area network technology represented by IEEE 802.11.
  • WLAN Wireless Local Area Networks
  • the architecture is shown in Figure 1. Compared with LTE, WLAN has a small coverage, high access rate, and low cost of use.
  • the LTE network is a typical representative under the 3rd Generation Partnership Project 2 (3GPP) wireless communication family network, and the evolved base station eNB (Evolved by E-UTRAN (Evolved UTRAN Evolutionary Unified Terrestrial Radio Access Network)) NodeB) is composed of Evolved Packet Core (EPC) and the network is flat.
  • the EUTRAN includes a set of eNBs connected to the EPC through the S1 interface, and the eNBs can be connected through X2. S1 and X2 are logical interfaces.
  • One EPC can manage one or more eNBs, one NodeB can also be controlled by multiple EPCs, and one eNB can manage one or more cells.
  • LTE-A system evolved from the LTE system, and the network architecture is consistent with LTE.
  • LTE is 4G technology.
  • 3G LTE has many technical advantages: higher data rate, low latency transmission, and service quality of service (QoS) guarantee.
  • QoS quality of service
  • WLAN WLAN
  • 3GPP-WLAN interconnection becomes a device manufacturer, system integrator, and operation
  • the basic principle is that the impact on WLAN and existing 3GPP standards and systems must be minimized, that is, the WLAN standard is kept unchanged, and the modifications to existing 3GPP specifications are minimized.
  • the key to 3GPP and WLAN interworking and integrated architecture design is based on the IEEE 802.11 standard, providing interactive functions between 3GPP and WLAN.
  • Wired LAN Termination As the termination point of the LTE-WLAN interface Xw on the WLAN system side.
  • a WT can be considered as a logical entity. It can be an independent network element or an AP/AC. Multiple WLAN access network elements can be connected under the WT.
  • the establishment of the Xw interface can be dynamic and self-optimizing when the 3GPP-WLAN aggregation is implemented in the case that the UE (User Equipment) discovers different WLAN access NEs during the mobile process.
  • This document provides a method and apparatus for establishing a transmission channel in a converged networking system to implement a direct interface between 3GPP-WLANs.
  • a method for establishing a transmission channel in a converged networking system includes:
  • the third-generation partner program 3GPP system access side network element obtains the IP address information and/or port number information used by the wireless local area network WLAN system network element to establish an Xw interface, and according to the IP address information and/or port number information, Initiating a process of establishing a transmission channel with an Xw interface of the WLAN system network element.
  • the IP address information and/or the port number information used by the WLAN system network element to establish the Xw interface is obtained by using one or more of the following manners, including:
  • Manner 1 The access side network element of the 3GPP system obtains IP address information and/or port number information of the WLAN system network element that can be established by the Xw interface by using configuration information;
  • Manner 2 The access network element of the 3GPP system receives the description information of the WLAN system network element reported by the user equipment, and obtains the IP address information and/or the port number information established by the Xw interface according to the description information of the WLAN system network element. ;
  • Manner 3 The access network element of the 3GPP system receives the IP address information and/or port number information of the WLAN system network element that is sent by the WLAN system network element by the core network element.
  • the method further includes:
  • the WLAN system network element is connected to one or more access node APs, the associated information of the WLAN system network element and the one or more APs is recorded.
  • the configuration information is generated by the access network element of the 3GPP system, or is generated by the operation management and maintenance OAM network element.
  • the description information of the WLAN system network element is IP address information and/or port number information of the WLAN system network element; or
  • the description information of the WLAN system network element is the identifier information of the WLAN in which the WLAN system network element is located, and the WLAN system network element corresponding to the identifier information of the WLAN is determined according to the identifier information of the WLAN. IP address information and/or port number information of the WLAN system network element.
  • the identifier information of the WLAN includes at least one of: a media access control MAC address of the WLAN system network element, a MAC address of the access node AP, a basic service set identifier BSSID, and an extended service set identifier ESSID.
  • the IP address information and/or the port number information of the WLAN system network element is obtained by:
  • the access network element of the 3GPP system sends a transport address request message to the WLAN system network element by using the core network element;
  • the access network element of the 3GPP system receives a transport address response message from the WLAN system network element by using the core network element, where the transport address response message includes IP address information of the WLAN system network element and/or Port number information.
  • the transport address request message includes device flag information of the WLAN system network element; or the transport address request message includes device flag information of the access side network element of the 3GPP system and device flag information of the WLAN system network element;
  • the transport address response message includes device flag information of the access side network element of the 3GPP system; or the transport address response message includes device flag information of the access side network element of the 3GPP system and device flag information of the WLAN system network element.
  • the method further includes:
  • the network element of the 3GPP system receives the transmission address response failure message through the core network element, where the transmission address response failure message includes the device identifier information of the access side network element of the 3GPP system and the device identifier information of the WLAN system network element, the cause of the failure, and the waiting At least one of the times, wherein the waiting time is used to instruct the 3GPP system network element to initiate the acquisition process again after the waiting time elapses.
  • the 3GPP system access network side network element is an evolved base station eNB or a radio network controller RNC, where the WLAN system network element is a wireless local area network terminal WT or an access node AP or an access controller AC.
  • a device for establishing a transmission channel in a converged networking system is applied to an access side network element of a 3GPP system, and the device includes:
  • the obtaining module is configured to: obtain IP address information and/or port number information used by the WLAN system network element to establish an Xw interface;
  • the establishing module is configured to: initiate a process of establishing a transmission channel with an Xw interface of the WLAN system network element according to the IP address information and/or the port number information.
  • the acquiring module is configured to: obtain the IP address information and/or port number information used by the WLAN system network element to establish an Xw interface by:
  • Manner 1 Obtaining the WLAN system network element that can establish the Xw interface through the configuration information. IP address information and/or port number information;
  • Manner 2 receiving the description information of the WLAN system network element reported by the user equipment, and obtaining the IP address information and/or port number information established by the Xw interface according to the description information of the WLAN system network element;
  • Manner 3 Receive IP address information and/or port number information of the WLAN system network element sent by the WLAN system network element via the core network element.
  • the acquiring module is further configured to: if the WLAN system network element is connected to one or more access node APs, record association information between the WLAN system network element and the one or more APs.
  • the configuration information is generated by the access network element of the 3GPP system, or is generated by the operation management and maintenance OAM network element.
  • the description information of the WLAN system network element is IP address information and/or port number information of the WLAN system network element; or
  • the description information of the WLAN system network element is the identifier information of the WLAN in which the WLAN system network element is located, and the acquiring module is configured to: determine, according to the identifier information of the WLAN, the identifier information of the WLAN.
  • the WLAN system network element obtains IP address information and/or port number information of the WLAN system network element.
  • the identifier information of the WLAN includes at least one of: a media access control MAC address of the WLAN system network element, a MAC address of the access node AP, a basic service set identifier BSSID, and an extended service set identifier ESSID.
  • the acquiring module is configured to: obtain the IP address information and/or the port number information of the WLAN system network element by:
  • the transport address request message includes device flag information of a WLAN system network element
  • the transport address request message includes device flag information of the access side network element of the 3GPP system and device flag information of the WLAN system network element;
  • the transport address response message includes device flag information of a network element of the access side of the 3GPP system.
  • the transport address response message includes device flag information of the access side network element of the 3GPP system and device flag information of the WLAN system network element.
  • the device further includes:
  • the receiving module is configured to: if the WLAN system network element fails to process the transport address request message, receive a transport address response failure message by the core network element, where the transport address response failure message includes device identifier information of the access side network element of the 3GPP system And at least one of device flag information, a failure cause, and a waiting time of the WLAN system network element, where the waiting time is used to indicate that the 3GPP system network element initiates the acquisition process again after the waiting time elapses.
  • the device is located at an eNB or an RNC, and the WLAN system network element is a WT or an AP or an AC.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above.
  • the network element of the 3GPP system access network obtains the IP address information and/or the port number information used by the WLAN system network element to establish the Xw interface, and obtains the information required by the peer end to establish the channel, and then obtains the information required by the peer end.
  • the information re-initiates the establishment process of the transmission channel to implement a direct interface between the 3GPP-WLAN.
  • FIG. 1 is a schematic diagram of a WLAN system architecture in a related art
  • FIG. 2 is a schematic structural diagram of an LTE-WLAN convergence system in related art
  • FIG. 3 is a flowchart of an embodiment of a method for establishing a transmission channel in a converged networking system provided by the present invention
  • FIG. 4 is a flowchart of a method for establishing a transmission channel in a converged networking system according to Embodiment 1 of the present invention
  • FIG. 5 is a flowchart of a method for establishing a transmission channel in a converged networking system according to Embodiment 2 of the present invention.
  • FIG. 6 is a flowchart of a method for establishing a transmission channel in a fusion networking system according to Embodiment 3 of the present invention.
  • FIG. 7 is a flowchart of a method for establishing a transmission channel in a fusion networking system according to Embodiment 4 of the present invention.
  • FIG. 8 is a structural diagram of an apparatus for establishing a transmission channel in a converged networking system according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of an embodiment of a method for establishing a transmission channel in a converged networking system provided by the present invention.
  • the method shown in Figure 3 includes:
  • Step 301 The access network element of the 3GPP system acquires IP address information and/or port number information used by the WLAN system network element to establish an Xw interface.
  • the network element of the access network side of the 3GPP system is an evolved base station eNB or a radio network controller (RNC), and the WLAN system network element may be a WT or an access point (AP) or an access node (AP).
  • RNC radio network controller
  • the WLAN system network element may be a WT or an access point (AP) or an access node (AP).
  • AP access point
  • AP access node
  • AC AccessController
  • Step 302 The access network element of the 3GPP system is configured according to the IP address information and/or port number. Information, initiating a process of establishing a transmission channel with an Xw interface of the WLAN system network element.
  • the access network side network element of the 3GPP system obtains the IP address information and/or the port number information used by the WLAN system network element to establish the Xw interface, and obtains the information required by the peer end to establish the channel, and then according to the information.
  • the obtained information re-initiates the establishment process of the transmission channel to implement a direct interface between the 3GPP-WLAN.
  • the IP address information and/or port number information used by the WLAN system network element to establish an Xw interface is obtained by using one or more of the following manners, including:
  • Manner 1 The access side network element of the 3GPP system obtains IP address information and/or port number information of the WLAN system network element that can be established by the Xw interface by using configuration information;
  • the configuration information is generated by the access side network element of the 3GPP system, or is generated by an Operation Administration and Maintenance (OAM) network element;
  • OAM Operation Administration and Maintenance
  • the access network element of the 3GPP system is used as an eNB.
  • One or more WT information that can be set up on the Xw interface, such as the IP address information and/or port number information established by the Xw interface, and the multiple APs connected to the WT are configured on the access network side of the 3GPP system. It can also include associated record information of WT and multiple APs.
  • the association information of the WLAN system network element and the at least two APs is recorded.
  • Manner 2 The access network element of the 3GPP system receives the description information of the WLAN system network element reported by the user equipment, and obtains the IP address information and/or the port number information established by the Xw interface according to the description information of the WLAN system network element. ;
  • the description information of the WLAN system network element is IP address information and/or port number information of the WLAN system network element; or
  • the description information of the WLAN system network element is the identifier information of the WLAN in which the WLAN system network element is located, and the WLAN system network element corresponding to the identifier information of the WLAN is determined according to the identifier information of the WLAN. IP address information and/or port number information of the WLAN system network element.
  • the IP address information and/or the port number information that the WT uses for the Xw interface to be established by the UE is obtained by the UE and reported to the access network element of the 3GPP system; or the WT/AP MAC address reported by the UE, and/ Or the BSSID, and/or the ESSID or other device flag information, and locally search for the corresponding WT IP address information and/or port number information.
  • Manner 3 The access network element of the 3GPP system receives the IP address information and/or port number information of the WLAN system network element that is sent by the WLAN system network element by the core network element.
  • the IP address information and/or port number information of the WLAN system network element is obtained by:
  • the access network element of the 3GPP system sends a transport address request message to the WLAN system network element by using the core network element;
  • the access network element of the 3GPP system receives a transport address response message from the WLAN system network element by using the core network element, where the transport address response message includes IP address information of the WLAN system network element and/or Port number information.
  • the transport address request message includes device identifier information of a network element of the WLAN system;
  • the transport address request message includes device flag information of the access side network element of the 3GPP system and device flag information of the WLAN system network element;
  • the transport address response message includes device flag information of the access side network element of the 3GPP system; or the transport address response message includes device flag information of the WLAN system network element of the device identifier information of the access side network element of the 3GPP system.
  • the 3GPP system network element receives the transport address response failure message through the core network element, where the transport address response failure message includes the device identifier information of the access side network element of the 3GPP system. At least one of device flag information, a failure cause, and a waiting time of the WLAN system network element, where the waiting time is used to indicate that the 3GPP system network element initiates the acquisition process again after the waiting time elapses.
  • the IP address information and port number information used to establish the Xw interface of the peer end are obtained through the existing core network interface.
  • Step 1 The source system network element constructs a transport address direct transmission message, and sends the message to the core network.
  • the message includes the target system network element information (such as the device identifier information of the target system network element), the source system network element information (such as the device identifier information of the source system network element), and the source system network element used for the transmission address established by the Xw interface.
  • Information and/or port number information may be one or more).
  • Step 2 The core network transmits the transmission address direct transmission message to the target system network element.
  • Step 3 After receiving the transmission address direct transmission message, the target system network element may initiate an Xw interface establishment process with the source system network element according to the transmission address information and/or the port number information of the source system network element carried in the message.
  • Step 1 The source system network element constructs a transport address request message, and sends the message to the core network.
  • the message includes the target system network element information (such as the device identifier information of the target system network element) and the source system network element information (such as the device identifier information of the source system network element).
  • Step 2 The core network transparently transmits the transmission address request message to the target system network element through the core network.
  • Step 3 After receiving the transport address request message, the target system network element sends a transport address response message to the core network, where the message includes the target system network element information (such as the device identifier information of the target system network element) and the source system network element.
  • the information such as the device flag information of the source system network element
  • the transmission address information and/or port number information (which may be one or more) established by the target system network element for the Xw interface.
  • Step 4 The core network transparently transmits the transmission address response message to the source system network element.
  • Step 5 After receiving the transport address response message, the source system network element may initiate an Xw interface establishment process with the target system network element according to the transport address information of the target system network element carried in the source system.
  • the constructing the transport address response failure message is sent to the core network, where the message includes the target system network element information (such as the device identifier information of the target system network element) and the source system network element information (for example, the device flag information of the source system network element, the reason for the failure (for example, the request message cell parsing error, the transmission address acquisition error), and the waiting time.
  • the waiting time cell means that the source system network element can initiate the acquisition process again after the waiting time has elapsed.
  • the transmission address response failure message is transparently transmitted by the core network to the source system network element.
  • the transmission of the Xw interface with the WLAN system network element is initiated.
  • the process of establishing a channel including:
  • the method can obtain the transmission address of the target system side network element of the Xw interface with the current system side network element, so that a direct Xw interface can be established between the network elements, which helps to realize information interaction between the systems.
  • the network element of the access network side of the 3GPP system uses the eNB as an example, and the WLAN system network element takes the WT as an example.
  • FIG. 4 is a flowchart of a method for establishing a transmission channel in a converged networking system according to Embodiment 1 of the present invention.
  • the method shown in Figure 4 includes:
  • Step 401 The eNB is configured with one or more WT information that can be set up on the Xw interface, where the configured WT information includes one or more of the following: the WT is used for the IP address information established by the Xw interface, and the port number information is used under the WT.
  • the information of the connected multiple APs such as the associated record information including the WT and the multiple APs.
  • Step 402 After the eNB is powered on, the eNB may initiate establishment of the Xw direct interface transmission channel with the WT by using the foregoing configuration information.
  • FIG. 5 is a flowchart of a method for establishing a transmission channel in a converged networking system according to Embodiment 2 of the present invention.
  • the method shown in Figure 5 includes:
  • Step 501 The UE obtains the WT/AP related information through the air interface and reports the information to the eNB.
  • the WT/AP information includes one or more of the following: the IP address information, the port number information, and the WT/AP MAC address established by the WT for the Xw interface. , and / or BSSID, and / or ESSID or other device identification information.
  • Step 502 The eNB directly acquires or obtains the corresponding WT IP address information and/or port number information by searching according to the WT/AP related information reported by the UE, and initiates establishment of an Xw direct interface transmission channel with the WT.
  • FIG. 6 is a flowchart of a method for establishing a transmission channel in a converged networking system according to Embodiment 3 of the present invention.
  • the method shown in Figure 6 includes:
  • Step 601 The eNB needs to establish an Xw interface with the WT, and the eNB constructs a transport address direct transmission message, and sends the message to the MME.
  • the message may include target WT information (WT/AP device flag information or routing information), source eNB information (global identifier of the eNB), and transport address information and/or port number information used by the source eNB for establishing the Xw interface. Is one or more);
  • Step 602 The MME transparently transmits the transmission address direct transmission message to the WT through the WLAN core network.
  • Step 603 After receiving the transmission address direct transmission message, the WT may initiate an Xw interface establishment process with the source eNB according to the transmission address information of the source eNB carried in the message.
  • FIG. 7 is a flowchart of a method for establishing a transmission channel in a converged networking system according to Embodiment 4 of the present invention.
  • the method shown in Figure 7 includes:
  • Step 701 The eNB needs to establish an Xw interface with the WT, and the eNB constructs a transport address request message, and sends the message to the MME.
  • the message includes target WT information (WT/AP device flag information or routing information) and source eNB information (eNB global identifier);
  • Step 702 After receiving the transport address request message, the MME transparently transmits the message to the WT through the WLAN core network.
  • Step 703 After receiving the transport address request message, the WT sends the transport address response message to the MME through the WT core network, where the message may include the target WT information (WT/AP device flag information or routing information), The source eNB information (the global identifier of the eNB), the transport address information and/or the port number information (which may be one or more) used by the target WT for the Xw interface establishment, and the process proceeds to step 4). If the processing fails, go to step 706);
  • the target WT information WT/AP device flag information or routing information
  • the source eNB information the global identifier of the eNB
  • the transport address information and/or the port number information which may be one or more
  • Step 704 The MME transparently transmits the transmission address response message to the eNB.
  • Step 705 After receiving the transport address response message, the eNB transmits the WT according to the WT carried therein.
  • the address information and/or port number information can be input to initiate the process of establishing an Xw interface with the WT.
  • Step 706 The WT constructs a transport address response failure message and sends the message to the MME, where the message may include target WT information (WT/AP device flag information or routing information), source eNB information (eNB global identifier), and cause of failure (such as cause) Handling errors for the transfer address), waiting time.
  • target WT information WT/AP device flag information or routing information
  • source eNB information eNB global identifier
  • cause of failure such as cause Handling errors for the transfer address
  • the waiting time is optional, meaning that the source base station can initiate the acquisition process again after the waiting time elapses.
  • Step 707 The MME transparently transmits a transmission address response failure message to the eNB.
  • the access network side network element of the 3GPP system may be an eNB, or an RNC.
  • the WLAN system network element can be a WT, or an AP, or an AC.
  • the third and fourth embodiments can also be executed in the reverse direction.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions for executing a method for establishing a transmission channel in the above-described fusion networking system.
  • FIG. 8 is a structural diagram of an apparatus for establishing a transmission channel in a converged networking system according to an embodiment of the present invention.
  • the device shown in FIG. 8 is applied to the access side network element of the 3GPP system, and the device includes:
  • the obtaining module 801 is configured to: obtain IP address information and/or port number information used by the WLAN system network element to establish an Xw interface;
  • the establishing module 802 is configured to initiate a process of establishing a transmission channel with an Xw interface of the WLAN system network element according to the IP address information and/or the port number information.
  • the obtaining module 801 is configured to: obtain the IP address information and/or port number information used by the WLAN system network element to establish an Xw interface by using the following manner;
  • Manner 1 The access side network element of the 3GPP system obtains IP address information and/or port number information of the WLAN system network element that can be established by the Xw interface by using configuration information;
  • Manner 2 The access network element of the 3GPP system receives the description information of the WLAN system network element reported by the user equipment, and obtains the IP address information and/or the port number information established by the Xw interface according to the description information of the WLAN system network element. ;
  • Manner 3 The access network element of the 3GPP system receives the IP address information and/or port number information of the WLAN system network element that is sent by the WLAN system network element by the core network element.
  • the obtaining module 801 is further configured to: if the WLAN system network element is connected to one or more access node APs, record association information between the WLAN system network element and the one or more APs.
  • the configuration information is generated by the access network element of the 3GPP system, or is generated by the operation management and maintenance OAM network element.
  • the description information of the WLAN system network element is IP address information and/or port number information of the WLAN system network element; or
  • the description information of the WLAN system network element is the identifier information of the WLAN in which the WLAN system network element is located, and the WLAN system network element corresponding to the identifier information of the WLAN is determined according to the identifier information of the WLAN. IP address information and/or port number information of the WLAN system network element.
  • the identifier information of the WLAN includes at least one of: a media access control MAC address of the WLAN system network element, a MAC address of the access node AP, a basic service set identifier BSSID, and an extended service set identifier ESSID.
  • the obtaining module 801 is configured to: obtain the IP address information and/or the port number information of the WLAN system network element by using the following manner, including:
  • the core network element Receiving, by the core network element, a transport address response message from the WLAN system network element, where the transport address response message includes IP address information and/or port number information of the WLAN system network element.
  • the transport address request message includes device flag information of a WLAN system network element
  • the transport address request message includes device flag information of the access side network element of the 3GPP system and device flag information of the WLAN system network element;
  • the transport address response message includes device flag information of a network element of the access side of the 3GPP system.
  • the transport address response message includes device flag information of the WLAN system network element of the device identifier information of the access side network element of the 3GPP system.
  • the device further includes:
  • the receiving module is configured to: if the WLAN system network element fails to process the transport address request message, receive a transport address response failure message by the core network element, where the transport address response failure message includes device identifier information of the access side network element of the 3GPP system And at least one of device flag information, a failure cause, and a waiting time of the WLAN system network element, where the waiting time is used to indicate that the 3GPP system network element initiates the acquisition process again after the waiting time elapses.
  • the device is located at an eNB or an RNC, and the WLAN system network element is a WT or an AP or an AC.
  • the access network side network element of the 3GPP system obtains the IP address information and/or the port number information used by the WLAN system network element to establish the Xw interface, and obtains the information required by the peer end to establish the channel, and then according to the information.
  • the obtained information re-initiates the establishment process of the transmission channel to implement a direct interface between the 3GPP-WLAN.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, the application is not limited to any particular combination of hardware and software.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the access network side network element of the 3GPP system obtains the IP address information and/or the port number information used by the WLAN system network element to establish the Xw interface, and obtains the information required by the peer end to establish the channel, and then according to the information.
  • the obtained information re-initiates the establishment process of the transmission channel to implement a direct interface between the 3GPP-WLAN.

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Abstract

本文公布一种融合组网系统中建立传输通道的方法和系统。所述方法，包括：第三代合作伙伴计划3GPP系统接入侧网元获取无线局域网WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，并根据所述IP地址信息和/或端口号信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。

Description

一种融合组网系统中建立传输通道的方法和装置 技术领域
本申请涉及但不限于通信领域。
背景技术
移动互联网是当今世界发展最快、市场潜力最大、前景最诱人的产业，而无线接入是移动互联网行业的核心技术。目前，多种先进的无线接入技术(Multiple Radio Access Technology:Multi-RAT)并存，使得用户终端高速接入无线网络，并享受高质量的服务。其中，典型的技术包括以LTE(Long Term Evolution,长期演进)为代表的无线广域网接入技术，和以IEEE 802.11为代表的无线局域网技术。WLAN(Wireless Local Area Networks，无线局域网)是利用无线通信技术在一定局部范围内建立的网络，架构示意图见图1，与LTE相比，WLAN的覆盖范围小，接入速率高，使用成本低。
LTE网络作为第三代合作伙伴计划(3rd Generation Partnership Project 2,3GPP)无线通信家族网络下的典型代表，由E-UTRAN(Evolved UTRAN进化型的统一陆地无线接入网络)的演进基站eNB(Evolved NodeB)和演进分组交换中心EPC(Evolved Packet Core)组成，网络扁平化。其中EUTRAN包含和EPC通过S1接口连接的eNB的集合，eNB之间能通过X2连接。S1、X2是逻辑接口。一个EPC可以管理一个或多个eNB，一个NodeB也可以受控于多个EPC，一个eNB可以管理一个或多个小区。LTE-A系统由LTE系统演进而来，网络架构与LTE一致。LTE是4G技术。与3G相比，LTE具有多方面的技术优势：更高的数据率、低延时的传输、业务服务质量(QoS)保障。与WLAN相比，LTE具有更广的覆盖，支持用户终端高速移动和漫游。
随着未来通信网络的不断演进，多种制式的网络模式共存是不可避免的趋势，包括2G、3G、LTE融合组网，3GPP-WLAN融合组网等，比如LTE-WLAN融合组网示意图见图2。由于WLAN和3GPP无线通信家族网络的互补特性，3GPP-WLAN的互联互通成为设备制造商、系统集成商、运营 商以及科研机构的热点问题之一。其基本原则是必须尽量减少对WLAN以及3GPP已有标准和系统的影响，即保持WLAN标准不变，对3GPP现存规范的修改最小化。3GPP与WLAN互通和综合结构设计的关键是基于IEEE 802.11标准，提供3GPP和WLAN之间的交互功能。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
3GPP和WLAN互通的关键在于如何实现两个系统之间直接接口的建立。这里我们定义“Wireless LAN Termination”(无线局域网终端WT)作为LTE-WLAN接口Xw在WLAN系统侧的终结点。WT可以认为是一个逻辑实体，可以是独立网元，也可以在AP/AC上实现。WT下可连接多个WLAN接入网元。由于UE(User Equipment，用户设备)在移动过程中会发现不同的WLAN接入网元，因此当实现3GPP-WLAN聚合的时候，Xw接口的建立可以是动态的，自优化的。
因此，在3GPP、WLAN融合组网的时候，跨系统场景下如何实现3GPP-WLAN之间直接接口的问题需要得到解决，这样才能更好实现整个网络自优化，同时提升用户满意度。
本文提供一种融合组网系统中建立传输通道的方法和装置，以实现3GPP-WLAN之间直接接口。
一种融合组网系统中建立传输通道的方法，包括：.
第三代合作伙伴计划3GPP系统接入侧网元获取无线局域网WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，并根据所述IP地址信息和/或端口号信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。
可选地，通过如下方式中的一种或多种获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，包括：
方式一：所述3GPP系统接入侧网元通过配置信息获取能够进行Xw接口建立的WLAN系统网元的IP地址信息和/或端口号信息；
方式二：所述3GPP系统接入侧网元接收用户设备上报的WLAN系统网元的描述信息，根据所述WLAN系统网元的描述信息，得到Xw接口建立的IP地址信息和/或端口号信息；
方式三：所述3GPP系统接入侧网元接收所述WLAN系统网元经核心网网元发送的WLAN系统网元的IP地址信息和/或端口号信息。
可选地，在方式一中，还包括：
如果所述WLAN系统网元连接有1个或多个接入节点AP，记录所述WLAN系统网元和所述1个或多个AP的关联信息。
可选地，在方式一中：
所述配置信息是由所述3GPP系统接入侧网元生成的，或者，是由操作管理维护OAM网元生成的。
可选地，在方式二中：
所述WLAN系统网元的描述信息为WLAN系统网元的IP地址信息和/或端口号信息；或者，
所述WLAN系统网元的描述信息为所述WLAN系统网元所在的无线局域网的标识信息，则根据所述无线局域网的标识信息，确定所述无线局域网的标识信息对应的WLAN系统网元，获取所述WLAN系统网元的IP地址信息和/或端口号信息。
可选地，所述无线局域网的标识信息包括如下至少一个：WLAN系统网元的媒体访问控制MAC地址、接入节点AP的MAC地址、基础服务集标识BSSID和扩展服务集标识ESSID。
可选地，在方式三中，所述WLAN系统网元的IP地址信息和/或端口号信息是通过如下方式得到的，包括：
所述3GPP系统接入侧网元通过所述核心网网元向所述WLAN系统网元发送传输地址请求消息；
所述3GPP系统接入侧网元通过所述核心网网元从所述WLAN系统网元接收传输地址响应消息，其中所述传输地址响应消息包括所述WLAN系统网元的IP地址信息和/或端口号信息。
可选地，在方式三中：
所述传输地址请求消息包括WLAN系统网元的设备标志信息；或者，所述传输地址请求消息包括所述3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息；
所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息；或者，所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息。
可选地，在方式三中，若WLAN系统网元处理传输地址请求消息失败，所述方法还包括：
3GPP系统网元通过核心网网元接收传输地址响应失败消息，其中所述传输地址响应失败消息包含3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息、失败原因和等待时间中的至少一个，其中等待时间用于指示3GPP系统网元在该等待时间过后再次发起获取流程。
可选地，所述3GPP系统接入网侧网元为演进基站eNB或者无线网络控制器RNC，所述WLAN系统网元是无线局域网终端WT或者接入节点AP或者接入控制器AC。
一种融合组网系统中建立传输通道的装置，应用于3GPP系统接入侧网元，所述装置包括：.
获取模块，设置为：获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息；
建立模块，设置为：根据所述IP地址信息和/或端口号信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。
可选地，所述获取模块是设置为：通过如下方式获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息：
方式一：通过配置信息获取能够进行Xw接口建立的WLAN系统网元的 IP地址信息和/或端口号信息；
方式二：接收用户设备上报的WLAN系统网元的描述信息，根据所述WLAN系统网元的描述信息，得到Xw接口建立的IP地址信息和/或端口号信息；
方式三：接收所述WLAN系统网元经核心网网元发送的WLAN系统网元的IP地址信息和/或端口号信息。
可选地，在方式一中：
所述获取模块还设置为：如果所述WLAN系统网元连接有1个或多个接入节点AP，记录所述WLAN系统网元和所述1个或多个AP的关联信息。
可选地，在方式一中：
所述配置信息是由所述3GPP系统接入侧网元生成的，或者，是由操作管理维护OAM网元生成的。
可选地，在方式二中：
所述WLAN系统网元的描述信息为WLAN系统网元的IP地址信息和/或端口号信息；或者，
所述WLAN系统网元的描述信息为所述WLAN系统网元所在的无线局域网的标识信息，所述获取模块是设置为：根据所述无线局域网的标识信息，确定所述无线局域网的标识信息对应的WLAN系统网元，获取所述WLAN系统网元的IP地址信息和/或端口号信息。
可选地，所述无线局域网的标识信息包括如下至少一个：WLAN系统网元的媒体访问控制MAC地址、接入节点AP的MAC地址、基础服务集标识BSSID和扩展服务集标识ESSID。
可选地，在方式三中，所述获取模块是设置为：通过如下方式得到所述WLAN系统网元的IP地址信息和/或端口号信息，包括：
通过所述核心网网元向所述WLAN系统网元发送传输地址请求消息；
通过所述核心网网元从所述WLAN系统网元接收传输地址响应消息，其中所述传输地址响应消息包括所述WLAN系统网元的IP地址信息和/或端 口号信息。
可选地，在方式三中：
所述传输地址请求消息包括WLAN系统网元的设备标志信息；或者，
所述传输地址请求消息包括所述3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息；
所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息；或者，
所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息。
可选地，在方式三中，所述装置还包括：
接收模块，设置为：若WLAN系统网元处理传输地址请求消息失败，通过核心网网元接收传输地址响应失败消息，其中所述传输地址响应失败消息包含3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息、失败原因和等待时间中的至少一个，其中等待时间用于指示3GPP系统网元在该等待时间过后再次发起获取流程。
可选地，所述装置位于eNB或者RNC，所述WLAN系统网元是WT或者AP或者AC。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任一项的方法。
本发明提供的实施例，3GPP系统接入网侧网元通过获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，得到对端建立通道所需的信息，再根据得到的信息再发起传输通道的建立流程，实现3GPP-WLAN之间直接接口。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为相关技术中WLAN系统架构示意图；
图2为相关技术中LTE-WLAN融合系统架构示意图；
图3为本发明提供的融合组网系统中建立传输通道的方法实施例的流程图；
图4为本发明实施例1提供的融合组网系统中建立传输通道的方法的流程图；
图5为本发明实施例2提供的融合组网系统中建立传输通道的方法的流程图；
图6为本发明实施例3提供的融合组网系统中建立传输通道的方法的流程图；
图7为本发明实施例4提供的融合组网系统中建立传输通道的方法的流程图；
图8为本发明实施例提供的融合组网系统中建立传输通道的装置的结构图。
本发明的实施方式
下面将结合附图及实施例对本发明的实施方式进行描述。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
图3为本发明提供的融合组网系统中建立传输通道的方法实施例的流程图。图3所示方法包括：.
步骤301、3GPP系统接入侧网元获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息；
其中，所述3GPP系统接入网侧网元为演进基站eNB或者无线网络控制器(Radio Network Controller，RNC)，所述WLAN系统网元可以是WT或者接入节点(Access Point，AP)或者接入控制器(AccessController，AC)；
步骤302、所述3GPP系统接入侧网元根据所述IP地址信息和/或端口号 信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。
本发明提供的方法实施例，3GPP系统接入网侧网元通过获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，得到对端建立通道所需的信息，再根据得到的信息再发起传输通道的建立流程，实现3GPP-WLAN之间直接接口。
下面对本发明实施例提供的方法作进一步说明：
其中，通过如下方式中的一种或多种获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，包括：
方式一：所述3GPP系统接入侧网元通过配置信息获取能够进行Xw接口建立的WLAN系统网元的IP地址信息和/或端口号信息；
其中，所述配置信息是由所述3GPP系统接入侧网元生成的，或者，是由操作管理维护(Operation Administration and Maintenance，OAM)网元生成的；
以所述3GPP系统接入侧网元为eNB为例进行说明。3GPP系统接入网侧网元上配置好可进行Xw接口建立的一个或多个WT信息，比如用于Xw接口建立的IP地址信息和/或端口号信息；WT下连接多AP的情况，配置的时候还可以包含WT和多AP的关联记录信息。
另外，如果所述WLAN系统网元连接有至少两个接入节点AP，记录所述WLAN系统网元和所述至少两个AP的关联信息。
方式二：所述3GPP系统接入侧网元接收用户设备上报的WLAN系统网元的描述信息，根据所述WLAN系统网元的描述信息，得到Xw接口建立的IP地址信息和/或端口号信息；
其中，所述WLAN系统网元的描述信息为WLAN系统网元的IP地址信息和/或端口号信息；或者，
所述WLAN系统网元的描述信息为所述WLAN系统网元所在的无线局域网的标识信息，则根据所述无线局域网的标识信息，确定所述无线局域网的标识信息对应的WLAN系统网元，获取所述WLAN系统网元的IP地址信息和/或端口号信息。
举例来说，通过UE在空口获取WT用于Xw接口建立的IP地址信息和/或端口号信息，并上报给3GPP系统接入侧网元；或者通过UE上报的WT/AP MAC地址、和/或BSSID、和/或ESSID或者其他设备标志信息，在本地查找对应的WT IP地址信息和/或端口号信息。
方式三：所述3GPP系统接入侧网元接收所述WLAN系统网元经核心网网元发送的WLAN系统网元的IP地址信息和/或端口号信息。
其中，所述WLAN系统网元的IP地址信息和/或端口号信息是通过如下方式得到的，包括：
所述3GPP系统接入侧网元通过所述核心网网元向所述WLAN系统网元发送传输地址请求消息；
所述3GPP系统接入侧网元通过所述核心网网元从所述WLAN系统网元接收传输地址响应消息，其中所述传输地址响应消息包括所述WLAN系统网元的IP地址信息和/或端口号信息。
其中，所述传输地址请求消息包括WLAN系统网元的设备标志信息；或者，
所述传输地址请求消息包括所述3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息；
所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息；或者，所述传输地址响应消息包括和3GPP系统接入侧网元的设备标志信息WLAN系统网元的设备标志信息。
若WLAN系统网元处理传输地址请求消息失败，则3GPP系统网元通过核心网网元接收传输地址响应失败消息，其中所述传输地址响应失败消息包含3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息、失败原因和等待时间中的至少一个，其中等待时间用于指示3GPP系统网元在该等待时间过后再次发起获取流程。
举例来说，在确定进行聚合的WT/AP后，通过已有核心网接口来实现获取对端的用于建立Xw接口的IP地址信息、端口号信息；
方法一：
步骤一：源系统网元构造传输地址直传消息，并将该消息发送给核心网。该消息中包含目标系统网元信息(比如目标系统网元的设备标志信息)、源系统网元信息(比如源系统网元的设备标志信息)、源系统网元用于Xw接口建立的传输地址信息和/或端口号信息(可以是1个或多个)。
步骤二：核心网将传输地址直传消息传递给目标系统网元。
步骤三，目标系统网元接收到传输地址直传消息后，根据消息中携带的源系统网元的传输地址信息和/或端口号信息，可发起与源系统网元的Xw接口建立流程。
方法二：
步骤一：源系统网元构造传输地址请求消息，并将该消息发送给核心网。该消息中包含目标系统网元信息(比如目标系统网元的设备标志信息)、源系统网元信息(比如源系统网元的设备标志信息)。
步骤二：核心网将传输地址请求消息通过核心网透传给目标系统网元。
步骤三，目标系统网元接收到传输地址请求消息后，构造传输地址响应消息发送给核心网，该消息中包含目标系统网元信息(比如目标系统网元的设备标志信息)、源系统网元信息(比如源系统网元的设备标志信息)、目标系统网元用于Xw接口建立的传输地址信息和/或端口号信息(可以是1个或多个)。
步骤四：核心网将传输地址响应消息透传给源系统网元。
步骤五：源系统网元接收到传输地址响应消息后，根据里面所携带的目标系统网元传输地址信息，可发起与目标系统网元的Xw接口建立流程。
若目标系统网元处理传输地址请求消息失败，则构造传输地址响应失败消息发送给核心网，该消息包含目标系统网元信息(比如目标系统网元的设备标志信息)、源系统网元信息(比如源系统网元的设备标志信息)、失败原因(比如原因为请求消息信元解析错误、传输地址获取错误)、等待时间。其中等待时间信元含义为源系统网元在该等待时间过后可再次发起获取流程。传输地址响应失败消息由核心网透传给源系统网元。
需要说明的是，在方式三中，发起与WLAN系统网元的Xw接口的传输 通道的建立流程，包括：
根据所述IP地址信息和/或端口号信息，与WLAN系统网元的Xw接口的传输通道的建立；或者，
通过核心网网元向WLAN系统网元发送所述3GPP系统接入侧网元信息的IP地址信息和/或端口号信息，并响应所述WLAN系统网元根据所述3GPP系统接入侧网元信息的IP地址信息和/或端口号信息发起的WLAN系统网元的Xw接口的传输通道的建立流程。
由上可以看出，该方法能及时获取与当前系统侧网元建立Xw接口的目标系统侧网元传输地址，使得网元间能够建立直接的Xw接口，有助于实现系统间的信息交互，实现接口建立资配置、自优化。
为了方便描述，以下实施例，3GPP系统接入网侧网元以eNB为例，WLAN系统网元以WT为例。
实施例1
图4为本发明实施例1提供的融合组网系统中建立传输通道的方法的流程图。图4所示方法包括：
步骤401、eNB上配置好可进行Xw接口建立的一个或多个WT信息，其中配置的WT信息包含以下一种或多种：WT用于Xw接口建立的IP地址信息，端口号信息，WT下所连接多AP的信息，比如包含WT和多AP的关联记录信息。
步骤402、在eNB上电后，eNB可以通过上述配置信息发起和WT的Xw直接接口传输通道的建立。
实施例2
图5为本发明实施例2提供的融合组网系统中建立传输通道的方法的流程图。图5所示方法包括：
步骤501、UE通过空口获取WT/AP相关信息并上报给eNB，其中WT/AP信息包含以下一种或多种：WT用于Xw接口建立的IP地址信息，端口号信息，WT/AP MAC地址，和/或BSSID、和/或ESSID或者其他设备标志信息。
步骤502、eNB根据UE上报的WT/AP相关信息，直接获取或者在本地通过查找获取对应的WT IP地址信息和/或端口号信息，发起和WT的Xw直接接口传输通道的建立。
实施例3
图6为本发明实施例3提供的融合组网系统中建立传输通道的方法的流程图。图6所示方法包括：
步骤601、eNB需要和WT建立Xw接口，eNB构造传输地址直传消息，并将该消息发送给MME。该消息中可包含目标WT信息(WT/AP设备标志信息或路由信息)、源eNB信息(eNB的全局标志符)、源eNB用于Xw接口建立的传输地址信息和/或端口号信息(可以是1个或多个)；
步骤602、MME将传输地址直传消息通过WLAN核心网透传给WT；
步骤603、WT接收到传输地址直传消息后，根据消息中携带的源eNB的传输地址信息，可发起与源eNB的Xw接口建立流程。
实施例4
图7为本发明实施例4提供的融合组网系统中建立传输通道的方法的流程图。图7所示方法包括：
步骤701、eNB需要和WT建立Xw接口，eNB构造传输地址请求消息，并将该消息发送给MME。该消息中包含目标WT信息(WT/AP设备标志信息或路由信息)、源eNB信息(eNB全局标志符)；
步骤702、MME接收到传输地址请求消息后，通过WLAN核心网将该消息透传给WT；
步骤703、WT接收到传输地址请求消息后，若处理成功，则构造传输地址响应消息通过WT核心网发送给MME，该消息中可包含目标WT信息(WT/AP设备标志信息或路由信息)、源eNB信息(eNB的全局标志符)、目标WT用于Xw接口建立的传输地址信息和/或端口号信息(可以是1个或多个)，转步骤4)。若处理失败则转步骤706)；
步骤704、MME将传输地址响应消息透传给eNB；
步骤705、eNB接收到传输地址响应消息后，根据里面所携带的WT传 输地址信息和/或端口号信息，可发起与WT的Xw接口建立流程。
步骤706、WT构造传输地址响应失败消息发送给MME，该消息中可包含目标WT信息(WT/AP设备标志信息或路由信息)、源eNB信息(eNB的全局标志符)、失败原因(比如原因为传输地址处理错误)、等待时间。其中等待时间为可选项，含义为源基站在该等待时间过后可再次发起获取流程。
步骤707、MME将传输地址响应失败消息透传给eNB；
在实际实现中，3GPP系统接入网侧网元可以是eNB，或者RNC。WLAN系统网元可以是WT，或者AP，或者AC。
其中，实施例三、四也可以反方向执行。
本发明实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述融合组网系统中建立传输通道的方法。
图8为本发明实施例提供的融合组网系统中建立传输通道的装置的结构图。图8所示装置，应用于3GPP系统接入侧网元，所述装置包括：.
获取模块801，设置为：获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息；
建立模块802，设置为：根据所述IP地址信息和/或端口号信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。
其中所述获取模块801是设置为：通过如下方式获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息；
方式一：所述3GPP系统接入侧网元通过配置信息获取能够进行Xw接口建立的WLAN系统网元的IP地址信息和/或端口号信息；
方式二：所述3GPP系统接入侧网元接收用户设备上报的WLAN系统网元的描述信息，根据所述WLAN系统网元的描述信息，得到Xw接口建立的IP地址信息和/或端口号信息；
方式三：所述3GPP系统接入侧网元接收所述WLAN系统网元经核心网网元发送的WLAN系统网元的IP地址信息和/或端口号信息。
其中，在方式一中：
所述获取模块801还设置为：如果所述WLAN系统网元连接有1个或多个接入节点AP，记录所述WLAN系统网元和所述1个或多个AP的关联信息。
其中，在方式一中：
所述配置信息是由所述3GPP系统接入侧网元生成的，或者，是由操作管理维护OAM网元生成的。
其中，在方式二中：
所述WLAN系统网元的描述信息为WLAN系统网元的IP地址信息和/或端口号信息；或者，
所述WLAN系统网元的描述信息为所述WLAN系统网元所在的无线局域网的标识信息，则根据所述无线局域网的标识信息，确定所述无线局域网的标识信息对应的WLAN系统网元，获取所述WLAN系统网元的IP地址信息和/或端口号信息。
其中，所述无线局域网的标识信息包括如下至少一个：WLAN系统网元的媒体访问控制MAC地址、接入节点AP的MAC地址、基础服务集标识BSSID和扩展服务集标识ESSID。
其中，在方式三中，所述获取模块801是设置为：通过如下方式得到所述WLAN系统网元的IP地址信息和/或端口号信息，包括：
通过所述核心网网元向所述WLAN系统网元发送传输地址请求消息；
通过所述核心网网元从所述WLAN系统网元接收传输地址响应消息，其中所述传输地址响应消息包括所述WLAN系统网元的IP地址信息和/或端口号信息。
其中，在方式三中：
所述传输地址请求消息包括WLAN系统网元的设备标志信息；或者，
所述传输地址请求消息包括所述3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息；
所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息；或者，
所述传输地址响应消息包括和3GPP系统接入侧网元的设备标志信息WLAN系统网元的设备标志信息
其中，在方式三中，所述装置还包括：
接收模块，设置为：若WLAN系统网元处理传输地址请求消息失败，通过核心网网元接收传输地址响应失败消息，其中所述传输地址响应失败消息包含3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息、失败原因和等待时间中的至少一个，其中等待时间用于指示3GPP系统网元在该等待时间过后再次发起获取流程。
其中，所述装置位于eNB或者RNC，所述WLAN系统网元是WT或者AP或者AC。
本发明提供的装置实施例，3GPP系统接入网侧网元通过获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，得到对端建立通道所需的信息，再根据得到的信息再发起传输通道的建立流程，实现3GPP-WLAN之间直接接口。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本申请不限制于任何特定的硬件和软件结合。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
以上所述，仅为本发明的实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求所述的保护范围为准。
工业实用性
通过本发明提供的实施例，3GPP系统接入网侧网元通过获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，得到对端建立通道所需的信息，再根据得到的信息再发起传输通道的建立流程，实现3GPP-WLAN之间直接接口。

Claims (15)

  1. 一种融合组网系统中建立传输通道的方法，包括：.
    第三代合作伙伴计划3GPP系统接入侧网元获取无线局域网WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，并根据所述IP地址信息和/或端口号信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。
  2. 根据权利要求1所述的方法，其中，通过如下方式中的一种或多种获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息，包括：
    方式一：所述3GPP系统接入侧网元通过配置信息获取能够进行Xw接口建立的WLAN系统网元的IP地址信息和/或端口号信息；
    方式二：所述3GPP系统接入侧网元接收用户设备上报的WLAN系统网元的描述信息，根据所述WLAN系统网元的描述信息，得到Xw接口建立的IP地址信息和/或端口号信息；
    方式三：所述3GPP系统接入侧网元接收所述WLAN系统网元经核心网网元发送的WLAN系统网元的IP地址信息和/或端口号信息。
  3. 根据权利要求2所述的方法，其中，在方式一中，还包括：
    如果所述WLAN系统网元连接有1个或多个接入节点AP，记录所述WLAN系统网元和所述1个或多个AP的关联信息。
  4. 根据权利要求2所述的方法，其中，在方式一中：
    所述配置信息是由所述3GPP系统接入侧网元生成的，或者，是由操作管理维护OAM网元生成的。
  5. 根据权利要求2所述的方法，其中，在方式二中：
    所述WLAN系统网元的描述信息为WLAN系统网元的IP地址信息和/或端口号信息；或者，
    所述WLAN系统网元的描述信息为所述WLAN系统网元所在的无线局域网的标识信息，则根据所述无线局域网的标识信息，确定所述无线局域网的标识信息对应的WLAN系统网元，获取所述WLAN系统网元的IP地址信息和/或端口号信息。
  6. 根据权利要求5所述的方法，其中，所述无线局域网的标识信息包括如下至少一个：WLAN系统网元的媒体访问控制MAC地址、接入节点AP的MAC地址、基础服务集标识BSSID和扩展服务集标识ESSID。
  7. 根据权利要求2所述的方法，其中，在方式三中，所述WLAN系统网元的IP地址信息和/或端口号信息是通过如下方式得到的，包括：
    所述3GPP系统接入侧网元通过所述核心网网元向所述WLAN系统网元发送传输地址请求消息；
    所述3GPP系统接入侧网元通过所述核心网网元从所述WLAN系统网元接收传输地址响应消息，其中所述传输地址响应消息包括所述WLAN系统网元的IP地址信息和/或端口号信息。
  8. 根据权利要求2所述的方法，其中，在方式三中：
    所述传输地址请求消息包括WLAN系统网元的设备标志信息；或者，所述传输地址请求消息包括所述3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息；
    所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息；或者，所述传输地址响应消息包括3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息。
  9. 根据权利要求7所述的方法，其中，在方式三中，若WLAN系统网元处理传输地址请求消息失败，所述方法还包括：
    3GPP系统网元通过核心网网元接收传输地址响应失败消息，其中所述传输地址响应失败消息包含3GPP系统接入侧网元的设备标志信息和WLAN系统网元的设备标志信息、失败原因和等待时间中的至少一个，其中等待时间用于指示3GPP系统网元在该等待时间过后再次发起获取流程。
  10. 根据权利要求1至9任一所述的方法，其中，所述3GPP系统接入网侧网元为演进基站eNB或者无线网络控制器RNC，所述WLAN系统网元是无线局域网终端WT或者接入节点AP或者接入控制器AC。
  11. 一种融合组网系统中建立传输通道的装置，应用于3GPP系统接入侧网元，所述装置包括：.
    获取模块，设置为：获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息；
    建立模块，设置为：根据所述IP地址信息和/或端口号信息，发起与所述WLAN系统网元的Xw接口的传输通道的建立流程。
  12. 根据权利要求11所述的装置，其中，所述获取模块是设置为：通过如下方式获取WLAN系统网元建立Xw接口所使用的IP地址信息和/或端口号信息：
    方式一：通过配置信息获取能够进行Xw接口建立的WLAN系统网元的IP地址信息和/或端口号信息；
    方式二：接收用户设备上报的WLAN系统网元的描述信息，根据所述WLAN系统网元的描述信息，得到Xw接口建立的IP地址信息和/或端口号信息；
    方式三：接收所述WLAN系统网元经核心网网元发送的WLAN系统网元的IP地址信息和/或端口号信息。
  13. 根据权利要求12所述的装置，其中，在方式一中：
    所述获取模块还设置为：如果所述WLAN系统网元连接有1个或多个接入节点AP，记录所述WLAN系统网元和所述1个或多个AP的关联信息。
  14. 根据权利要求12所述的装置，其中，在方式一中：
    所述配置信息是由所述3GPP系统接入侧网元生成的，或者，是由操作管理维护OAM网元生成的。
  15. 根据权利要求11至14任一所述的装置，其中，所述装置位于eNB 或者RNC，所述WLAN系统网元是WT或者AP或者AC。
PCT/CN2016/078718 2015-07-22 2016-04-07 一种融合组网系统中建立传输通道的方法和装置 WO2016180115A1 (zh)

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