WO2016119423A1 - 网络连接方法及装置 - Google Patents

网络连接方法及装置 Download PDF

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Publication number
WO2016119423A1
WO2016119423A1 PCT/CN2015/085789 CN2015085789W WO2016119423A1 WO 2016119423 A1 WO2016119423 A1 WO 2016119423A1 CN 2015085789 W CN2015085789 W CN 2015085789W WO 2016119423 A1 WO2016119423 A1 WO 2016119423A1
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WIPO (PCT)
Prior art keywords
base station
network
tight coupling
message
request message
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PCT/CN2015/085789
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English (en)
French (fr)
Inventor
史莉荣
贺美芳
黄河
余媛芳
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中兴通讯股份有限公司
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Publication of WO2016119423A1 publication Critical patent/WO2016119423A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present invention relates to the field of communications, and in particular to a network connection method and apparatus.
  • LTE Long Term Evolution
  • LTE Advanced enhanced LTE
  • wireless local area network As is well known, in addition to the wireless network technology provided by The 3rd Generation Partnership Project (3GPP), wireless local area network (WLAN), which is currently widely used, is especially based on electrical Wireless LANs with the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standard have been widely used in hotspot access coverage in homes, businesses, and even the Internet. Among them, the technical specifications proposed by the Wi-Fi Alliance are the most widely used. Therefore, the WiFi network is often equivalent to the WLAN network based on the IEEE 802.11 standard. In the case of no confusion, the WiFi module is used to describe the network. The WLAN wireless transceiver and processing module is supported in the node.
  • 3GPP 3rd Generation Partnership Project
  • IEEE 802.11 Institute of Electrical and Electronics Engineers
  • the Access Network Discovery and Selection Function (ANDSF) is used as an access anchor to implement intelligent network selection.
  • the network and the terminal can effectively divide the network access, which is in line with future multi-network. Collaborative operational direction.
  • ANDSF develops strategies to help end users choose the best access network standard and achieve synergy for multiple access methods.
  • ANDSF is proposed in Release-8.
  • the Evolved Packet System can provide the UE with the ANDSF according to the current location information of the UE.
  • the available access network information or Inter-System Mobility Policy (ISMP)
  • ISMP Inter-System Mobility Policy
  • the EPS may provide an inter-system routing policy (ISRP) to the UE through the ANDSF according to the current location information of the UE, and the UE uses the information provided by the ANDSF to select an appropriate one.
  • the access network is offloaded.
  • the ANDSF can be connected to the UE through a predetermined interface, which uses an Open Mobile Alliance Device Management (OMA DM) protocol.
  • OMA DM Open Mobile Alliance Device Management
  • the ANDSF can solve the problem of 3GPP handover to non-3GPP access network selection. It can also solve the problem of the offloading and routing of the multiple access terminals, for example, the UE (IP Flow Mobility capable UE, hereinafter referred to as IFOM capable UE) and the UE with the multi-access PDN connection capability (A multiple access PDN Connectivity capable UE (abbreviated as MAPCON capable UE), a shunt routing problem with a non-seamless WLAN offload capable UE (NSWO capable UE).
  • IP Flow Mobility capable UE IP Flow Mobility capable UE
  • MAPCON capable UE A multiple access PDN Connectivity capable UE
  • NSWO capable UE a shunt routing problem with a non-seamless WLAN offload capable UE
  • ANDSF is a WLAN interworking based on the core network, and does not consider the impact on the access network.
  • the ANDSF is a relatively static solution, it can not adapt to the dynamic changes of network load and channel quality. Therefore, WLAN interworking discussions have also been conducted on the 3GPP access network. In R12 WLAN/3gpp wireless interworking, rules and triggering mechanisms for performing WLAN offloading are introduced.
  • a WLAN (Radio Access Network, abbreviated as Radio Access Network)-assisted WLAN offload solution is introduced, and the 3GPP base station transmits the configuration parameters of the WLAN offload to the terminal through broadcast or unicast messages.
  • the terminal performs a traffic off decision from 3GPP to WLAN or WLAN to 3GPP according to the received WLAN offload configuration parameter.
  • the core network mechanism and the auxiliary information mechanism from the wireless network cannot provide the network side with real-time use of load and channel conditions to consolidate the use of radio resources.
  • data from the same bearer cannot be transmitted on both 3gpp and WLAN links. Therefore, the need for WLAN integration with 3gpp networks was reintroduced at the RAN65 subliminal.
  • the RAN-aggregated WLAN is integrated with the 3gpp network, allowing the WLAN to access the 3GPP access network, allowing data to be transmitted simultaneously on the WLAN and 3gpp networks, based on the current quality of the channel, compared to the WLAN offloading scheme that has been studied and relies on policy and triggering. And the use of system resources, scheduling in real time, so it is necessary to improve the quality of service (QoS) and overall system capacity.
  • QoS quality of service
  • the embodiment of the invention provides a network connection method and device, so as to at least solve the problem that the network selection conflict in the user equipment cannot be avoided in the related art.
  • a network connection method including: receiving, by a base station, a request message for requesting to perform a network connection reported by a user equipment UE, where the request message carries an indication for the UE a first indication information that supports the capability of the multi-system tight coupling; the base station sends a configuration message for the UE to perform a network connection to the UE based on the request message, where the configuration message carries an indication
  • the UE uses the multi-system tight coupling manner to perform second indication information of the network connection.
  • the multi-system tight coupling includes: the base station sends data received from the core network to the UE by using at least two network systems, and the base station passes the UE by using the The data sent by the at least two network systems is aggregated and sent to the core network.
  • the at least two network systems include at least one 3GPP network and one WLAN network, where the 3GPP network includes at least one of the following: a 3G network, a 4G network, and a 5G network.
  • the second indication information includes an access point (Access Point, AP for short) identification information and/or a multi-system tightly coupled activation indication information.
  • the method before the receiving, by the base station, the request message reported by the UE, the method further includes: the base station sending a system message to the UE, where the system message includes the following information at least a multi-system tight coupling support capability information of the base station, multi-system tight coupling priority indication information of the base station, and multi-system tight coupling non-priority indication information of the base station.
  • the system message when the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to indicate
  • the UE acquires a network selection rule from a predetermined server and performs network selection according to the network selection rule.
  • the base station after receiving the request message reported by the UE, the base station further includes: the base station instructing, according to the request message, the UE to perform multi-system tight coupling to multi-system non-compact coupling Switch.
  • a network connection method including: a user equipment UE sends a request message for requesting a network connection to a base station, where the request message carries an indication for the UE to be supported.
  • the multi-system tight coupling includes: the base station sends data received from the core network to the UE by using at least two network systems, and the base station passes the UE by using the The data sent by the at least two network systems is aggregated and sent to the core network.
  • the at least two network systems include at least one 3GPP network and one WLAN network, where the 3GPP network includes at least one of the following: a 3G network, a 4G network, and a 5G network.
  • the second indication information includes access point AP identification information and/or multi-system tightly coupled activation indication information.
  • the method before the sending, by the UE, the request message to the base station, the method further includes: receiving a system message sent by the base station, where the system message includes at least one of the following information: The multi-system tight coupling support capability information of the base station, the multi-system tight coupling priority indication information of the base station, and the multi-system tight coupling non-priority indication information of the base station.
  • the system message when the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to indicate
  • the UE acquires a network selection rule from a predetermined server and performs network selection according to the network selection rule.
  • the method further includes: receiving, by the UE, a handover message that is returned by the base station according to the request message; Multiple systems are tightly coupled to multiple system non-tightly coupled switches.
  • a network connection apparatus which is applied to a base station side, and includes: a first receiving module, configured to receive a request message for requesting a network connection reported by a user equipment UE, where The request message carries first indication information for indicating that the UE supports the capability of the multiple systems to be tightly coupled; the first sending module is configured to send, according to the request message, the network connection for the UE to the UE.
  • the configuration message where the configuration message carries second indication information for indicating that the UE performs network connection by using multiple systems tightly coupled.
  • the device further includes: a second sending module, configured to send a system message to the UE, where the system message includes at least one of the following: multiple systems of the base station Tight coupling support capability information, multi-system tight coupling priority indication information of the base station, and multi-system tight coupling non-priority indication information of the base station.
  • a second sending module configured to send a system message to the UE, where the system message includes at least one of the following: multiple systems of the base station Tight coupling support capability information, multi-system tight coupling priority indication information of the base station, and multi-system tight coupling non-priority indication information of the base station.
  • the system message when the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to indicate
  • the UE acquires a network selection rule from a predetermined server and performs network selection according to the network selection rule.
  • the apparatus further includes: an indication module, configured to instruct the UE to perform multi-system tight coupling to multi-system non-compact coupling switching according to the request message.
  • a network connection apparatus is further provided, where the apparatus is applied to a user equipment UE side, and includes: a third sending module, configured to send a request message for requesting a network connection to a base station, where The request message carries the first indication information for indicating that the UE supports the capability of the multiple systems to be tightly coupled; the second receiving module is configured to receive the configuration message returned by the base station according to the request message, where The configuration message carries second indication information for indicating that the UE performs network connection by means of multiple systems tightly coupled; and the connection module is configured to perform network connection according to the configuration message.
  • the apparatus further includes: a third receiving module, configured to receive a system message sent by the base station, where the system message includes at least one of the following: a multi-system tightness of the base station Coupling support capability information, multi-system tight coupling priority indication information of the base station, and multi-system tight coupling non-priority indication information of the base station.
  • a third receiving module configured to receive a system message sent by the base station, where the system message includes at least one of the following: a multi-system tightness of the base station Coupling support capability information, multi-system tight coupling priority indication information of the base station, and multi-system tight coupling non-priority indication information of the base station.
  • the system message when the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to indicate
  • the UE acquires a network selection rule from a predetermined server and performs network selection according to the network selection rule.
  • the device further includes: a fourth receiving module, configured to receive a handover message returned by the base station according to the request message; and a switching module configured to perform multiple systems tightly coupling according to the switching message Multi-system non-tightly coupled switching.
  • the base station receives the request message for requesting the network connection reported by the user equipment UE, where the request message carries a first indication for indicating that the UE supports the multi-system tight coupling capability.
  • the base station sends a configuration message for the UE to perform network connection to the UE according to the request message, where the configuration message carries a network for indicating that the UE is tightly coupled by multiple systems.
  • the second indication information of the connection solves the problem that the network selection conflict in the user equipment cannot be avoided in the related art, thereby achieving the effect of avoiding network selection conflict in the user equipment.
  • FIG. 1 is a flowchart of a first network connection method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a second network connection method according to an embodiment of the present invention.
  • FIG. 3 is a block diagram showing the structure of a first type of network connection apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing a first preferred structure of a first type of network connection apparatus according to an embodiment of the present invention
  • FIG. 5 is a second preferred structural block diagram of a first type of network connection apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a second type of network connection apparatus according to an embodiment of the present invention.
  • FIG. 7 is a first structural block diagram of a second type of network connection apparatus according to an embodiment of the present invention.
  • FIG. 8 is a block diagram showing a second preferred structure of a second type of network connection apparatus according to an embodiment of the present invention.
  • FIG. 9 is a flowchart of a method for a UE to select a network according to Embodiment 1 of the present invention.
  • FIG. 10 is a flowchart of a method for a UE to select a network according to Embodiment 2 of the present invention.
  • FIG. 11 is a flowchart of a method for a UE to select a network according to Embodiment 3 of the present invention.
  • FIG. 12 is a flowchart of a method for a UE to select a network according to Embodiment 4 of the present invention.
  • FIG. 13 is a flowchart of a method for a UE to select a network according to Embodiment 5 of the present invention.
  • FIG. 14 is a flowchart of a method for a UE to select a network according to Embodiment 6 of the present invention.
  • FIG. 1 is a flowchart of a first network connection method according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • step S102 the base station receives the request message for requesting the network connection, which is sent by the user equipment, and the request message carries the first indication information for indicating that the UE supports the capability of the multiple systems to be tightly coupled.
  • Step S104 The base station sends a configuration for the UE to perform network connection to the UE according to the foregoing request message. a message, where the configuration message carries second indication information for indicating that the UE performs network connection by using multiple systems tightly coupled.
  • the base station sends a configuration message including the second indication information indicating that the UE performs network connection in a manner that the UE is tightly coupled in multiple systems according to the network connection request message of the user equipment, in response to the network connection request of the user equipment, and the user equipment.
  • the network connection can be completed according to the configuration message sent by the base station, thereby effectively avoiding the conflict of the network selection in the user equipment, thereby solving the problem that the network selection conflict in the user equipment cannot be avoided in the related art, thereby achieving the avoidance of the user equipment.
  • the effect of network selection conflicts is provided.
  • the multi-system tight coupling described above includes: the base station sends the data received from the core network to the UE through the at least two network systems, and the base station aggregates the data sent by the UE through the at least two network systems and sends the data to the core network.
  • At least one of the foregoing at least two network systems includes a 3GPP network and a WLAN network, where the 3GPP network may include at least one of the following: a 3G network, a 4G network, and a 5G network.
  • the foregoing second indication information may also include multiple types of indication information.
  • the second indication information may include access point AP identification information and/or a multi-system tightly coupled activation indication. information.
  • the base station may further send a system message to the UE before the base station receives the request message reported by the UE, where the system message includes at least one of the following information: multi-system tight coupling support of the base station Capability information, multi-system tight coupling priority indication information of the base station, and multi-system tight coupling non-priority indication information of the base station.
  • the system message When the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to instruct the UE to acquire the network selection rule from the predetermined server and perform the network according to the acquired network selection rule. select.
  • the base station after receiving the request message reported by the UE, the base station further includes: the base station instructing, according to the request message, the UE to perform multi-system tight coupling to multi-system non-compact coupling switching.
  • FIG. 2 is a flowchart of a second network connection method according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S202 The user equipment UE sends a request message for requesting a network connection to the base station, where the request message carries first indication information for indicating that the UE supports the capability of multiple systems to be tightly coupled;
  • Step S204 the UE receives a configuration message returned by the base station according to the request message, where the configuration message carries a second network connection for indicating that the UE is tightly coupled by multiple systems. Indication information;
  • Step S206 the UE performs a network connection according to the configuration message.
  • the UE When the UE needs to perform a network connection, the UE sends a request message for the network connection to the base station, and according to the configuration message that is returned by the base station and carries the second indication information that is used to indicate that the UE uses the multi-system tight coupling to perform network connection.
  • the network connection can effectively avoid network selection conflicts, and solves the problem that the network selection conflicts in the user equipment cannot be avoided in the related art, thereby achieving the effect of avoiding network selection conflicts in the user equipment.
  • the above-mentioned multi-system tight coupling may include: the base station sends the data received from the core network to the UE through the at least two network systems, and the base station aggregates the data sent by the UE through the at least two network systems and sends the data to the core network.
  • At least two of the above-mentioned multi-system tight couplings may include at least one 3GPP network and one WLAN network, wherein the 3GPP network includes at least one of the following: a 3G network, a 4G network, and a 5G network.
  • the second indication information may include access point AP identification information and/or multi-system tightly coupled activation indication information.
  • the method before the UE sends the request message to the base station, the method further includes: receiving a system message sent by the base station, where the system message includes at least one of the following information: multi-system tight coupling support capability information of the base station The multi-system tight coupling priority indication information of the base station and the multi-system tight coupling non-priority indication information of the base station.
  • the system message When the system message includes information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to instruct the UE to acquire the network selection rule from the predetermined server and perform network selection according to the acquired network selection rule. .
  • the method further includes: the UE receiving the handover message returned by the base station according to the request message; and the UE performing the multi-system tight coupling to the multi-system non-compact coupling according to the handover message. Switch.
  • a network connection device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 3 is a structural block diagram of a first network connection apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a base station side.
  • the apparatus includes a first receiving module 32 and a first sending module 34. The device is described.
  • the first receiving module 32 is configured to receive, by the user equipment UE, a request message for requesting a network connection, where the request message carries first indication information for indicating that the UE supports the capability of multiple systems to be tightly coupled;
  • a sending module 34 is connected to the first receiving module 32, and is configured to send, according to the request message, a configuration message for the UE to perform a network connection, where the configuration message carries the UE to indicate that the UE is tightly coupled by multiple systems. The second indication of the network connection.
  • FIG. 4 is a first preferred structural block diagram of a first type of network connection apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes a second sending module 42 in addition to all the modules shown in FIG. The device will be described below.
  • the second sending module 42 is connected to the first receiving module 32, and is configured to send a system message to the UE, where the system message includes at least one of the following information: multi-system tight coupling support capability information of the base station, multiple systems of the base station The tight coupling priority indication information and the multi-system tight coupling non-priority indication information of the base station.
  • the system message When the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to instruct the UE to acquire the network selection rule from the predetermined server and perform the network according to the network selection rule. select.
  • FIG. 5 is a second preferred structural block diagram of a first type of network connection apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus includes an indication module 52, in addition to all the modules shown in FIG. The device will be described.
  • the indication module 52 is connected to the first receiving module 32, and is configured to instruct the UE to perform multi-system tight coupling to multi-system non-compact coupling switching according to the request message.
  • FIG. 6 is a structural block diagram of a second network connection apparatus according to an embodiment of the present invention.
  • the apparatus is applied to a UE side of a user equipment.
  • the apparatus includes a third sending module 62, a second receiving module 64, and a connection. Module 66, the device will be described below.
  • the third sending module 62 is configured to send a request message for requesting a network connection to the base station, where the request message carries first indication information for indicating that the UE supports the capability of the multiple systems to be tightly coupled; the second receiving module 64 And connecting to the third sending module 62, configured to receive a configuration message returned by the base station according to the request message, where the configuration message carries second indication information for indicating that the UE performs network connection by using multiple systems tightly coupled; the connection module 66, connected to the second receiving module 64, configured to perform a network connection according to the above configuration message.
  • FIG. 7 is a first structural block diagram of a second type of network connection apparatus according to an embodiment of the present invention. As shown in FIG. 7, the apparatus includes a third receiving module 72, in addition to all the modules shown in FIG. The device will be described.
  • the third receiving module 72 is connected to the third sending module 62, and is configured to receive a system message sent by the base station, where the system message includes at least one of the following information: multi-system tight coupling support capability of the base station The information, the multi-system tight coupling priority indication information of the base station, and the multi-system tight coupling non-priority indication information of the base station.
  • the system message When the system message includes the information that the base station does not support the multi-system tight coupling or the base station supports the multi-system tight coupling non-priority indication, the system message is used to instruct the UE to acquire the network selection rule from the predetermined server and perform the network selection rule according to the network selection rule. Network selection.
  • FIG. 8 is a second preferred structural block diagram of a second type of network connection apparatus according to an embodiment of the present invention. As shown in FIG. 8, the apparatus includes a fourth receiving module 82 in addition to all the modules shown in FIG. The device will be described below.
  • the fourth receiving module 82 is connected to the third sending module 62, and is configured to receive a switching message returned by the base station according to the request message.
  • the switching module 84 is connected to the fourth receiving module 82, and is configured to perform multi-system tight coupling according to the switching message. Switching to multiple systems without tight coupling.
  • FIG. 9 is a flowchart of a method for a UE to select a network according to Embodiment 1 of the present invention. As shown in FIG. 9, the process includes the following steps:
  • Step S902 The base station eNodeB sends a system message to the terminal UE, where the message includes the indication information that the eNodeB supports tight coupling; wherein the indication information is a newly added network element, and the name is a tightly coupled support indication, which may be a value Lift type (TRUE, FALSE), TRUE means support tight coupling, FALSE means not tight coupling, the value range can also be (TRUE), including the cell representation to support tight coupling, not including not supporting tight coupling, or The indication message may also be a tight coupling priority indication.
  • TRUE Value Lift type
  • FALSE means not tight coupling
  • TRUE means not tight coupling
  • the value range can also be (TRUE)
  • the indication message may also be a tight coupling priority indication.
  • Step S904 the UE learns that the base station supports tight coupling, and then sends an RRC connection request to the eNodeB through the 3GPP access, and the UE determines whether the smart switch that supports the WLAN is enabled, and if it is open, and supports tight coupling, the report message is supported in the request message.
  • Information on coupling capabilities is a newly added network element, the name is tight coupling support, the value is enumerated type (TRUE, FALSE), TRUE means tight coupling, FALSE means tight coupling is not supported, and the value range is still It can be (TRUE), including the cell representation supporting tight coupling, and not including indicating that tight coupling is not supported.
  • Step S906 the eNodeB makes a decision according to the capability information of the UE and the capability information of the UE, and sends an RRC setup message to the UE, where the message includes multiple system tightly coupled indication information;
  • the multi-system tight coupling refers to: the RAT1 base station will be from the core network.
  • the received data is sent to the UE through RAT1 and/or RAT2; the RAT1 base station aggregates the data from the RAT1 and/or RAT2 access network and sends the data to the core network.
  • the RAT1 may be a 3GPP system, including a 3G system or a 4G system or a 5G system, and the RAT2 may be a WLAN system.
  • the multi-system tightly coupled indication information includes an identification of the access point AP or an indication of activation of the multi-system tight coupling.
  • Step S908 the UE performs establishment of related resources, and returns an RRC setup complete message to the eNodeB.
  • FIG. 10 is a flowchart of a method for a UE to select a network according to Embodiment 2 of the present invention. As shown in FIG. 10, the process includes the following steps:
  • the eNodeB sends a system message, where the system message includes indication information that the eNodeB supports tight coupling; wherein the indication information is a newly added network element, and the name is a tightly coupled support indication, and the value is an enumerated type ( TRUE, FALSE), TRUE indicates that tight coupling is supported, FALSE indicates that tight coupling is not supported, and the range of values can also be (TRUE), including the cell representation supporting tight coupling, not including indicating that tight coupling is not supported, or the indication message is Tight coupling priority indication.
  • TRUE enumerated type
  • Step S1004 The UE learns that the base station supports tight coupling, and then sends an RRC connection request to the eNodeB through 3GPP access.
  • step S1006 the eNodeB sends an RRC setup message to the UE.
  • step S1008 the UE performs the establishment of the related resource, and returns an RRC setup complete message to the eNodeB.
  • the UE determines whether the smart switch that supports the WLAN is enabled. If it is enabled, and the tight coupling is supported, the information supporting the tight coupling capability is reported in the RRC setup complete message. .
  • the information of the tight coupling capability is a newly added network element, the name is tight coupling support, the value is an enumerated type (TRUE, FALSE), TRUE means support tight coupling, FALSE means that tight coupling is not supported, and the value range can also be For (TRUE), the inclusion of the cell indicates that tight coupling is supported, and the absence of representation indicates that tight coupling is not supported.
  • step S1010 the eNodeB sends a measurement control message to the UE, where the message includes the reported physical quantity and the reporting mode. If the event is reported, the event reporting threshold is included.
  • the reporting mode is periodic reporting or event reporting; the reported physical quantity is the pilot quality.
  • step S1012 the UE performs measurement, and if it is in the periodic reporting mode, the UE performs periodic reporting. If the event is reported, when the measured quality is better than the quality threshold parameter, the UE performs measurement reporting.
  • step S1014 the eNodeB performs a decision according to the UE reporting: if the period is reported, the eNodeB compares the measured value with the quality threshold, and the eNodeB sends an RRC reconfiguration to the UE, where the reconfiguration message includes multiple system tightly coupled indication information;
  • the system tightly coupled means that the RAT1 base station transmits data received from the core network to the UE through RAT1 and/or RAT2; the RAT1 base station aggregates data from the RAT1 and/or RAT2 access network and sends the data to the core network.
  • RAT1 may be a 3GPP system, including a 3G system or a 4G system or a 5G system, and RAT2 may be a WLAN system.
  • the multi-system tightly coupled indication information includes an identification of the access point AP or an indication of the activation of the multi-system tight coupling.
  • FIG. 11 is a flowchart of a method for a UE to select a network according to Embodiment 3 of the present invention. As shown in FIG. 11, the process includes the following steps:
  • Step S1102 The eNodeB sends a system message, where the message includes the indication information that the eNodeB supports tight coupling; the indication information is a newly added network element, and the name is a tightly coupled quality threshold, and the information includes the cell representation supporting tight coupling, and does not include Indicates that tight coupling is not supported, or that the indication message is a tight coupling priority indication.
  • Step S1104 The UE learns that the base station supports tight coupling and performs channel quality measurement. If the measured channel quality is better than the quality threshold, the RRC connection request is sent to the eNodeB through the 3GPP access, and the UE determines whether the smart switch supporting the WLAN is enabled. If it is turned on and supports tight coupling, the information supporting the tight coupling capability is reported in the request message.
  • the UE sends an information request to the ANDSF server, and the UE performs network selection according to the ANDSF rule sent by the ANDSF server.
  • the information of the tight coupling capability is a newly added network element, the name is tight coupling support, the value is enumerated type (TRUE, FALSE), TRUE means tight coupling, FALSE means tight coupling is not supported, and the value range is still It can be (TRUE), including the cell representation supporting tight coupling, and not including indicating that tight coupling is not supported.
  • Step S1106 The eNodeB makes a decision according to the capability information of the UE and the capability information of the UE, and sends an RRC setup message to the UE, where the message includes multiple system tightly coupled indication information; the multi-system tight coupling refers to: the RAT1 base station will be from the core network.
  • the received data is sent to the UE through RAT1 and/or RAT2; the RAT1 base station aggregates the data from the RAT1 and/or RAT2 access network and sends the data to the core network.
  • the RAT1 may be a 3GPP system, including a 3G system or a 4G system or a 5G system, and the RAT2 may be a WLAN system.
  • the multi-system tightly coupled indication information may include an identification of the AP or an indication of the activation of the multi-system tight coupling.
  • Step S1108 The UE performs establishment of related resources, and returns an RRC setup complete message to the eNodeB.
  • FIG. 12 is a flowchart of a method for a UE to select a network according to Embodiment 4 of the present invention. As shown in FIG. 12, the process includes the following steps:
  • Step S1202 The eNodeB sends a system message to the UE, and according to the set rule, the message includes indication information that is tightly coupled and not prioritized;
  • Step S1204 The UE learns that the eNodeB is not coupled with priority, and the UE sends an information request to the ANDSF server, and the UE performs network selection according to the ANDSF rule sent by the ANDSF server.
  • FIG. 13 is a flowchart of a method for a UE to select a network according to Embodiment 5 of the present invention. As shown in FIG. 13, the process includes the following steps:
  • the 3GPP base station (LTE base station or 3G base station) notifies the UE that it supports the tight coupling function between the 3GPP and the WLAN; optionally, the 3GPP base station may carry the tight coupling function priority indication information;
  • Step S1304 The 3GPP base station notifies the terminal that it supports the 3GPP access network (RAN)-assisted WLAN offload function defined by 3GPP R12;
  • RAN 3GPP access network
  • step S1306 the terminal supporting the two functions determines that the tight coupling function takes precedence, and the terminal does not start the RAN-assisted WLAN offload function; wherein the terminal can determine the tight coupling function priority according to the tightly coupled function priority indication information carried by the 3GPP base station, or by default
  • the configuration determines that the tight coupling function takes precedence. For example, when the tight coupling function and the RAN-assisted WLAN offload coexist, the default is that the tight coupling function takes precedence.
  • FIG. 14 is a flowchart of a method for a UE to select a network according to Embodiment 6 of the present invention. As shown in FIG. 14, the process includes the following steps:
  • Step S1402 the LTE network notifies the terminal to support the tight coupling and the RAN-assisted WLAN offload function by using the system message; optionally, the LTE network may carry the tightly coupled function priority indication information, or the default configuration is the tightly coupled function priority, for example, in the tight When the coupling function and the RAN-assisted WLAN offload function coexist, the default is that the tight coupling function takes precedence;
  • Step S1404 The terminal supporting the two functions does not start the RAN-assisted WLAN offload function; the terminal initiates the connection establishment by the service demand driver;
  • Step S1406 the terminal establishes a tightly coupled link with the LTE and the WLAN and maintains the link;
  • Step S1408 The LTE network considers the LTE network according to the measurement result reported by the terminal (for example, the LTE signal is degraded, the WLAN signal is good enough) or the network monitors the running status (for example, the LTE network is overloaded and the WLAN load is light). The terminal service cannot be continued, and the LTE network notifies the terminal to perform the switching function switching;
  • the LTE network notifies the terminal to use the RAN-assisted WLAN offload function, including: the LTE network sends a dedicated RAN-assisted WLAN offload parameter to the terminal, and the LTE network sends special information to the terminal to indicate that the terminal can use the RAN-assisted WLAN offload function. ;
  • Step S1412 the tightly coupled link between the terminal and the LTE and the WLAN is deleted
  • Step S1414 the terminal performs LTE to the WLAN according to the RAN-assisted WLAN offload parameter.
  • the shunt decision is made that a common link is established between the terminal and the WLAN.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the technical solution provided by the embodiment of the present invention may be applied to the network connection process, where the base station receives the request message for requesting the network connection, which is sent by the user equipment, and the request message carries the UE for indicating the UE. a first indication information that supports the capability of the multi-system tight coupling; the base station sends a configuration message for the UE to perform a network connection to the UE based on the request message, where the configuration message carries an indication
  • the second indication information of the network connection is implemented by the UE in a multi-system tightly coupled manner, which solves the problem that the network selection conflict in the user equipment cannot be avoided in the related art, thereby achieving the effect of avoiding network selection conflict in the user equipment. .

Abstract

本发明提供了一种网络连接方法及装置，其中，该方法包括：基站接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，该请求消息中携带有用于指示UE支持多系统紧耦合的能力的第一指示信息；基站基于上述请求消息向UE发送用于UE进行网络连接的配置消息，其中，该配置消息中携带有用于指示UE采用多系统紧耦合的方式进行网络连接的第二指示信息，通过本发明，解决了相关技术中存在的无法避免用户设备中的网络选择冲突的问题，进而达到了避免用户设备中的网络选择冲突的效果。

Description

网络连接方法及装置 技术领域
本发明涉及通信领域，具体而言，涉及一种网络连接方法及装置。
背景技术
随着无线通信技术和标准的不断演进，移动分组业务得到了巨大的发展，单终端的数据吞吐能力不断在提升。以长期演进(Long Term Evolution，简称为LTE)系统为例，在20M带宽内可以支持下行最大速率100Mbps的数据传输，后续的增强的LTE(LTE Advanced)系统中，数据的传输速率将进一步提升，甚至可以达到1Gbps。
终端数据业务量膨胀式的增长，让所有的网络资源渐渐力不从心，尤其是在新一代通信技术比如3G、LTE还无法广泛布网的情况下，随之而来的是用户速率和流量需求无法满足用户体验的变差。如何预防和改变这一情况是运营商必须考虑的问题，一方面需要加快新技术的推广和网络部署；另一方面，希望能够通过对现有网络和技术进行增强，以达到快速提升网络性能的目的。众所周知，在第三代合作伙伴计划(The 3rd Generation Partnership Project，简称为3GPP)提供的无线网络技术之外，当前已经普遍应用的无线局域网(Wireless Local Area Network，简称为WLAN)，尤其是基于电气和电子工程师学会(Institute of Electrical and Electronics Engineers，简称为IEEE)802.11标准的无线局域网已经在家庭、企业甚至是互联网被广泛应用于热点接入覆盖。其中由WiFi联盟(Wi-Fi Alliance)提出的技术规范应用最广，因此实际中WiFi网络经常跟基于IEEE 802.11标准的WLAN网络等同，在不引起混淆的情况下，后续也采用WiFi模块来描述网络节点中支持WLAN的无线收发和处理模块。
在这一前提下，有的运营商和公司已经提出将WLAN与现有3gpp网络进行融合，实现联合传输，以达到负荷分流和提高网络性能的目的。
接入网发现和选择功能(Access Network Discovery and Selection Function，简称为ANDSF)作为接入锚点，能够实现智能选网，通过网络与终端的交互，实现网络接入的有效分流，符合未来多网协同的运营方向。ANDSF制定策略，帮助终端用户选择最佳接入的网络制式，实现多种接入方式的协同。
相关技术中，ANDSF是在Release-8提出的。当UE要选择网络进行注册时，如果同时存在3GPP接入网和非3GPP接入网，演进的分组域系统(Evolved Packet System，简称为EPS)可以根据UE当前的位置信息，通过ANDSF向UE提供 可用的接入网信息，或者系统间移动性策略(Inter-System Mobility Policy，简称为ISMP)，UE使用ANDSF提供的信息，选择合适的接入网进行注册。如果同时存在多个非3GPP接入网，EPS可以根据UE当前的位置信息，通过ANDSF向UE提供系统间路由策略(Inter-System Routing Policy，简称为ISRP)，UE使用ANDSF提供的信息，选择合适的接入网进行分流。ANDSF可以通过一个预定的接口和UE相连，该预定的接口采用开放移动联盟设备管理(Open Mobile Alliance Device Management，简称为OMA DM)协议。
相关技术中，ANDSF能解决3GPP切换到非3GPP的接入网选择问题。也能解决多接入终端的分流路由选择问题，比如：具备并激活IP流迁移能力的UE(IP Flow Mobility capable UE，简称为IFOM capable UE)、具备并激活多接入PDN连接能力的UE(Multiple Access PDN Connectivity capable UE，简称为MAPCON capable UE)、具备并激活有缝WLAN分流能力的UE(Non-seamless WLAN offload capable UE，简称为NSWO capable UE)的分流路由选择问题。
ANDSF是一个基于核心网的WLAN interworking放案，并没有考虑到对接入网的影响，此外由于ANDSF是一个相对静态的方案，不能很好对网络负荷与信道质量动态变化的情况进行适应。因此在3GPP接入网也开展了WLAN interworking讨论。在R12WLAN/3gpp无线互操作中，执行WLAN分流的规则和触发的机制被引入。
在3GPP R12 WLAN/3GPP无线互操作中，引入了RAN(Radio Access Network，简称为无线接入网)辅助的WLAN分流解决方案，3GPP基站通过广播或单播消息将WLAN分流的配置参数传递给终端，终端根据接收到的WLAN分流配置参数进行从3GPP到WLAN或者WLAN到3GPP的分流判决。
然而，核心网机制和来自无线网的辅助信息机制不能提供给网络侧实时地使用负荷和信道条件从而合并使用无线资源。另外，来自相同承载的数据不能同时在3gpp和WLAN链路上传送。因此，WLAN与3gpp网络集成的需求在RAN65次全会被重新提出。
相比目前已经研究的依赖于策略和触发的WLAN分流方案，RAN层次聚合的WLAN与3gpp网络集成，允许WLAN接入3GPP接入网，允许数据同时在WLAN和3gpp网络传送，基于信道当前的质量和系统资源的使用情况，实时地进行调度，因此需要提高用户服务质量(Quality of Service，简称为QoS)和整体系统容量。
由于ANDSF目前已经得到了应用，并且R12无线接入网(Radio Access Network，简称为RAN)辅助的WLAN分流解决方案也已经完成了标准化，引入WLAN和3gpp网络紧耦合后，存在如下的问题：对于UE来讲，如何避免规 则间的冲突，如何进行网络的选择还没有确定；对于网络侧：策略上需要考虑R13的UE，同时也需要兼容R12的UE。
针对相关技术中存在的无法避免用户设备中的网络选择冲突的问题，目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种网络连接方法及装置，以至少解决相关技术中存在的无法避免用户设备中的网络选择冲突的问题。
根据本发明的一个实施例，提供了一种网络连接方法，包括：基站接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；所述基站基于所述请求消息向所述UE发送用于所述UE进行网络连接的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息。
在本发明实施例中，所述多系统紧耦合包括：所述基站将从核心网接收到的数据通过至少两个网络系统下发给所述UE，以及所述基站将所述UE通过所述至少两个网络系统发送的数据进行汇聚后发送给所述核心网。
在本发明实施例中，所述至少两个网络系统中至少包括一个3GPP网络和一个WLAN网络，其中，所述3GPP网络包括以下至少之一：3G网络、4G网络、5G网络。
在本发明实施例中，所述第二指示信息中包括接入点(Access Point，简称为AP)标识信息和/或多系统紧耦合的启用指示信息。
在本发明实施例中，当所述基站接收到所述UE上报的所述请求消息之前，还包括：所述基站向所述UE发送系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
在本发明实施例中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
在本发明实施例中，所述基站接收到所述UE上报的所述请求消息之后，还包括：所述基站根据所述请求消息指示所述UE进行多系统紧耦合到多系统非紧耦合的切换。
根据本发明的另一个实施例，提供了一种网络连接方法，包括：用户设备UE向基站发送用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；所述UE接收所述基站根据所述请求消息返回的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息；所述UE根据所述配置消息进行网络连接。
在本发明实施例中，所述多系统紧耦合包括：所述基站将从核心网接收到的数据通过至少两个网络系统下发给所述UE，以及所述基站将所述UE通过所述至少两个网络系统发送的数据进行汇聚后发送给所述核心网。
在本发明实施例中，所述至少两个网络系统中至少包括一个3GPP网络和一个WLAN网络，其中，所述3GPP网络包括以下至少之一：3G网络、4G网络、5G网络。
在本发明实施例中，所述第二指示信息中包括接入点AP标识信息和/或多系统紧耦合的启用指示信息。
在本发明实施例中，当所述UE向所述基站发送所述请求消息之前，还包括：接收所述基站发送的系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
在本发明实施例中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
在本发明实施例中，所述UE向所述基站发送所述请求消息之后，还包括：所述UE接收所述基站根据所述请求消息返回的切换消息；所述UE根据所述切换消息进行多系统紧耦合到多系统非紧耦合的切换。
根据本发明的另一个实施例，提供了一种网络连接装置，应用于基站侧，包括：第一接收模块，设置为接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；第一发送模块，设置为基于所述请求消息向所述UE发送用于所述UE进行网络连接的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息。
在本发明实施例中，所述装置还包括：第二发送模块，设置为向所述UE发送系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统 紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
在本发明实施例中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
在本发明实施例中，所述装置还包括：指示模块，设置为根据所述请求消息指示所述UE进行多系统紧耦合到多系统非紧耦合的切换。
根据本发明的另一个实施例，还提供了一种网络连接装置，该装置应用于用户设备UE侧，包括：第三发送模块，设置为向基站发送用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；第二接收模块，设置为接收所述基站根据所述请求消息返回的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息；连接模块，设置为根据所述配置消息进行网络连接。
在本发明实施例中，所述装置还包括：第三接收模块，设置为接收所述基站发送的系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
在本发明实施例中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
在本发明实施例中，所述装置还包括：第四接收模块，设置为接收所述基站根据所述请求消息返回的切换消息；切换模块，设置为根据所述切换消息进行多系统紧耦合到多系统非紧耦合的切换。
通过本发明实施例，采用基站接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；所述基站基于所述请求消息向所述UE发送用于所述UE进行网络连接的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息，解决了相关技术中存在的无法避免用户设备中的网络选择冲突的问题，进而达到了避免用户设备中的网络选择冲突的效果。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明实施例的第一种网络连接方法的流程图；
图2是根据本发明实施例第二种网络连接方法的流程图；
图3是根据本发明实施例的第一种网络连接装置的结构框图；
图4是根据本发明实施例的第一种网络连接装置的第一种优选结构框图；
图5是根据本发明实施例的第一种网络连接装置的第二种优选结构框图；
图6是根据本发明实施例的第二种网络连接装置的结构框图；
图7是根据本发明实施例的第二种网络连接装置的第一种结构框图；
图8是根据本发明实施例的第二种网络连接装置的第二种优选结构框图；
图9是根据本发明实施例一的UE选择网络的方法的流程；
图10是根据本发明实施例二的UE选择网络的方法的流程；
图11是根据本发明实施例三的UE选择网络的方法的流程；
图12是根据本发明实施例四的UE选择网络的方法的流程；
图13是根据本发明实施例五的UE选择网络的方法的流程；
图14是根据本发明实施例六的UE选择网络的方法的流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。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组合。
在本实施例中提供了一种网络连接方法，图1是根据本发明实施例的第一种网络连接方法的流程图，如图1所示，该流程包括如下步骤：
步骤S102，基站接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，该请求消息中携带有用于指示UE支持多系统紧耦合的能力的第一指示信息；
步骤S104，基站基于上述请求消息向UE发送用于UE进行网络连接的配置 消息，其中，该配置消息中携带有用于指示UE采用多系统紧耦合的方式进行网络连接的第二指示信息。
通过上述步骤，采用基站根据用户设备的网络连接请求消息向用户设备发送包含指示UE采用多系统紧耦合的方式进行网络连接的第二指示信息的配置消息来响应用户设备的网络连接请求，用户设备可以根据基站发送的配置消息完成网络连接，从而有效避免用户设备中网络选择的冲突，进而解决了相关技术中存在的无法避免用户设备中的网络选择冲突的问题，进而达到了避免用户设备中的网络选择冲突的效果。
上述的多系统紧耦合包括：基站将从核心网接收到的数据通过至少两个网络系统下发给UE，以及基站将UE通过至少两个网络系统发送的数据进行汇聚后发送给核心网。
其中，在多系统紧耦合中，上述的至少两个网络系统中至少包括一个3GPP网络和一个WLAN网络，其中，该3GPP网络可以包括以下至少之一：3G网络、4G网络、5G网络。
上述的第二指示信息中也可以包括多种类型的指示信息，在一个可选的实施例中，该第二指示信息中可以包括接入点AP标识信息和/或多系统紧耦合的启用指示信息。
在一个可选的实施例中，当基站接收到UE上报的请求消息之前，该基站还可以向UE发送系统消息，其中，该系统消息中包含以下信息至少之一：基站的多系统紧耦合支持能力信息、基站的多系统紧耦合优先指示信息、基站的多系统紧耦合不优先指示信息。
当上述系统消息中包括基站不支持多系统紧耦合或者基站支持多系统紧耦合不优先指示的信息时，该系统消息用于指示UE向预定服务器获取网络选择规则并根据获取的网络选择规则进行网络选择。
在一个可选的实施例中，当基站接收到UE上报的请求消息之后，还包括：该基站根据请求消息指示UE进行多系统紧耦合到多系统非紧耦合的切换。
图2是根据本发明实施例第二种网络连接方法的流程图，如图2所示，该流程包括如下步骤：
步骤S202，用户设备UE向基站发送用于请求进行网络连接的请求消息，其中，该请求消息中携带有用于指示UE支持多系统紧耦合的能力的第一指示信息；
步骤S204，上述UE接收基站根据上述请求消息返回的配置消息，其中，该配置消息中携带有用于指示UE采用多系统紧耦合的方式进行网络连接的第二 指示信息；
步骤S206，上述UE根据上述配置消息进行网络连接。
通过上述步骤，当UE需要进行网络连接时，向基站发送网络连接的请求消息，并根据基站返回的携带有用于指示UE采用多系统紧耦合的方式进行网络连接的第二指示信息的配置消息进行网络连接，可以有效避免网络选择冲突，进而解决了相关技术中存在的无法避免用户设备中的网络选择冲突的问题，进而达到了避免用户设备中的网络选择冲突的效果。
上述的多系统紧耦合可以包括：基站将从核心网接收到的数据通过至少两个网络系统下发给UE，以及基站将UE通过至少两个网络系统发送的数据进行汇聚后发送给核心网。
上述多系统紧耦合中的至少两个网络系统中可以至少包括一个3GPP网络和一个WLAN网络，其中，该3GPP网络包括以下至少之一：3G网络、4G网络、5G网络。
并且，该第二指示信息中可以包括接入点AP标识信息和/或多系统紧耦合的启用指示信息。
在一个可选的实施例中，当UE向基站发送请求消息之前，还包括：接收基站发送的系统消息，其中，该系统消息中包含以下信息至少之一：基站的多系统紧耦合支持能力信息、基站的多系统紧耦合优先指示信息、基站的多系统紧耦合不优先指示信息。
当系统消息中包括基站不支持多系统紧耦合或者基站支持多系统紧耦合不优先指示的信息时，该系统消息用于指示UE向预定服务器获取网络选择规则并根据获取的网络选择规则进行网络选择。
在一个可选的实施例中，当UE向基站发送请求消息之后，还包括：UE接收基站根据上述请求消息返回的切换消息；UE根据该切换消息进行多系统紧耦合到多系统非紧耦合的切换。
在本实施例中还提供了一种网络连接装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图3是根据本发明实施例的第一种网络连接装置的结构框图，该装置应用于基站侧，如图3所示，该装置包括第一接收模块32和第一发送模块34，下面对该装置进行说明。
第一接收模块32，设置为接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，该请求消息中携带有用于指示UE支持多系统紧耦合的能力的第一指示信息；第一发送模块34，连接至上述第一接收模块32，设置为基于上述请求消息向UE发送用于UE进行网络连接的配置消息，其中，该配置消息中携带有用于指示UE采用多系统紧耦合的方式进行网络连接的第二指示信息。
图4是根据本发明实施例的第一种网络连接装置的第一种优选结构框图，如图4所示，该装置除包括图3所示的所有模块外，还包括第二发送模块42，下面对该装置进行说明。
第二发送模块42，连接至上述第一接收模块32，设置为向UE发送系统消息，其中，该系统消息中包含以下信息至少之一：基站的多系统紧耦合支持能力信息、基站的多系统紧耦合优先指示信息、基站的多系统紧耦合不优先指示信息。
其中，当上述系统消息中包括基站不支持多系统紧耦合或者基站支持多系统紧耦合不优先指示的信息时，该系统消息用于指示UE向预定服务器获取网络选择规则并根据网络选择规则进行网络选择。
图5是根据本发明实施例的第一种网络连接装置的第二种优选结构框图，如图5所示，该装置除包括图3所示的所有模块外，还包括指示模块52，下面对该装置进行说明。
指示模块52，连接至上述第一接收模块32，设置为根据上述请求消息指示UE进行多系统紧耦合到多系统非紧耦合的切换。
图6是根据本发明实施例的第二种网络连接装置的结构框图，该装置应用于用户设备UE侧，如图6所示，该装置包括第三发送模块62、第二接收模块64和连接模块66，下面对该装置进行说明。
第三发送模块62，设置为向基站发送用于请求进行网络连接的请求消息，其中，该请求消息中携带有用于指示UE支持多系统紧耦合的能力的第一指示信息；第二接收模块64，连接至第三发送模块62，设置为接收基站根据请求消息返回的配置消息，其中，该配置消息中携带有用于指示UE采用多系统紧耦合的方式进行网络连接的第二指示信息；连接模块66，连接至第二接收模块64，设置为根据上述配置消息进行网络连接。
图7是根据本发明实施例的第二种网络连接装置的第一种结构框图，如图7所示，该装置除包括图6所示的所有模块外，还包括第三接收模块72，下面对该装置进行说明。
第三接收模块72，连接至第三发送模块62，设置为接收基站发送的系统消息，其中，该系统消息中包含以下信息至少之一：基站的多系统紧耦合支持能力 信息、基站的多系统紧耦合优先指示信息、基站的多系统紧耦合不优先指示信息。
其中，当上述系统消息中包括基站不支持多系统紧耦合或者基站支持多系统紧耦合不优先指示的信息时，该系统消息用于指示UE向预定服务器获取网络选择规则并根据该网络选择规则进行网络选择。
图8是根据本发明实施例的第二种网络连接装置的第二种优选结构框图，如图8所示，该装置除包括图6所示的所有模块外，还包括第四接收模块82，下面对该装置进行说明。
第四接收模块82，连接至上述第三发送模块62，设置为接收基站根据请求消息返回的切换消息；切换模块84，连接至上述第四接收模块82，设置为根据切换消息进行多系统紧耦合到多系统非紧耦合的切换。
下面以4G为例对本发明进行说明。
实施例一
图9是根据本发明实施例一的UE选择网络的方法的流程。如图9所示，该流程包括如下步骤：
步骤S902，基站eNodeB向终端UE发送系统消息，消息中包含了该eNodeB支持紧耦合的指示信息；其中，该指示信息为新增的一个网元，名称为紧耦合支持指示，可以取值为枚举类型(TRUE，FALSE)，TRUE表示支持紧耦合，FALSE表示不支持紧耦合，取值范围还可以为(TRUE)，包含该信元表示支持紧耦合，不包含表示不支持紧耦合，或者该指示消息还可以为紧耦合优先指示。
步骤S904，UE获知该基站支持紧耦合，则通过3GPP接入，向eNodeB发送RRC连接请求，UE判决自身支持WLAN的智能开关是否打开，如果打开，且支持紧耦合则在请求消息中上报支持紧耦合能力的信息。其中，紧耦合能力的信息为新增的一个网元，名称为紧耦合支持，取值为枚举类型(TRUE，FALSE)，TRUE表示支持紧耦合，FALSE表示不支持紧耦合，取值范围还可以为(TRUE)，包含该信元表示支持紧耦合，不包含表示不支持紧耦合。
步骤S906，eNodeB根据自身的能力信息与UE的能力信息进行决策，向UE发送RRC建立消息，消息中包含多系统紧耦合的指示信息；该多系统紧耦合指的是：RAT1基站将从核心网接收数据通过RAT1和/或RAT2下发给UE；RAT1基站将来自RAT1和/或RAT2接入网的数据进行汇聚后发送给核心网。其中，RAT1可以为3GPP系统，包括3G系统或者4G系统或者5G系统，RAT2可以为WLAN系统。该多系统紧耦合的指示信息包括接入点AP的标识或者多系统紧耦合的启用指示。
步骤S908，UE进行相关资源的建立，向eNodeB返回RRC建立完成消息。
实施例二
图10是根据本发明实施例二的UE选择网络的方法的流程。如图10所示，该流程包括如下步骤：
步骤S1002，eNodeB发送系统消息，该系统消息中包含了该eNodeB支持紧耦合的指示信息；其中，该指示信息为新增的一个网元，名称为紧耦合支持指示，取值为枚举类型(TRUE，FALSE)，TRUE表示支持紧耦合，FALSE表示不支持紧耦合，取值范围还可以为(TRUE)，包含该信元表示支持紧耦合，不包含表示不支持紧耦合，或者该指示消息为紧耦合优先指示。
步骤S1004，UE获知该基站支持紧耦合，则通过3GPP接入，向eNodeB发送RRC连接请求。
步骤S1006，eNodeB向UE发送RRC建立消息。
步骤S1008，UE进行相关资源的建立，向eNodeB返回RRC建立完成消息,UE判决自身支持WLAN的智能开关是否打开，如果打开，且支持紧耦合则在RRC建立完成消息中上报支持紧耦合能力的信息。该紧耦合能力的信息为新增的一个网元，名称为紧耦合支持，取值为枚举类型(TRUE，FALSE)，TRUE表示支持紧耦合，FALSE表示不支持紧耦合，取值范围还可以为(TRUE)，包含该信元表示支持紧耦合，不包含表示不支持紧耦合。
步骤S1010，eNodeB向UE发送测量控制消息，消息中包括上报的物理量及上报方式，如果为事件上报，包括事件上报门限。其中，上报方式为周期上报或者事件上报；上报的物理量为导频质量。
步骤S1012，UE进行测量，如果为周期上报方式，则UE进行周期性上报，如果为事件上报，当测量的质量好于质量门限参数，则UE进行测量上报。
步骤S1014，eNodeB根据UE上报进行判决：如果为周期上报，eNodeB将测量值同质量门限进行比较，eNodeB向UE发送RRC重配置，重配置消息中包含多系统紧耦合的指示信息；其中，该多系统紧耦合指的是：RAT1基站将从核心网接收数据通过RAT1和/或RAT2下发给UE；RAT1基站将来自RAT1和/或RAT2接入网的数据进行汇聚后发送给核心网。
RAT1可以为3GPP系统，包括3G系统或者4G系统或者5G系统，RAT2可以为WLAN系统。
多系统紧耦合的指示信息包括接入点AP的标识或者多系统紧耦合的启用指示。
实施例三
图11是根据本发明实施例三的UE选择网络的方法的流程。如图11所示，该流程包括如下步骤：
步骤S1102，eNodeB发送系统消息，该消息中包含了eNodeB支持紧耦合的指示信息；该指示信息为新增的一个网元，名称为紧耦合质量门限，包含该信元表示支持紧耦合，不包含表示不支持紧耦合，或者该指示消息为紧耦合优先指示。
步骤S1104，UE获知该基站支持紧耦合，进行信道质量的测量，如果测量的信道质量好于质量门限，则通过3GPP接入，向eNodeB发送RRC连接请求，UE判决自身支持WLAN的智能开关是否打开，如果打开，且支持紧耦合则在请求消息中上报支持紧耦合能力的信息。
如果测量的信道质量不好于质量门限，则UE向ANDSF服务器发送信息请求，UE按照ANDSF服务器发送的ANDSF规则进行网络选择。
其中，紧耦合能力的信息为新增的一个网元，名称为紧耦合支持，取值为枚举类型(TRUE，FALSE)，TRUE表示支持紧耦合，FALSE表示不支持紧耦合，取值范围还可以为(TRUE)，包含该信元表示支持紧耦合，不包含表示不支持紧耦合。
步骤S1106，eNodeB根据自身的能力信息与UE的能力信息进行决策，向UE发送RRC建立消息，消息中包含多系统紧耦合的指示信息；该多系统紧耦合指的是：RAT1基站将从核心网接收数据通过RAT1和/或RAT2下发给UE；RAT1基站将来自RAT1和/或RAT2接入网的数据进行汇聚后发送给核心网。其中，RAT1可以为3GPP系统，包括3G系统或者4G系统或者5G系统，RAT2可以为WLAN系统。
多系统紧耦合的指示信息可以包括AP的标识或者多系统紧耦合的启用指示。
步骤S1108，UE进行相关资源的建立，向eNodeB返回RRC建立完成消息。
实施例四
图12是根据本发明实施例四的UE选择网络的方法的流程。如图12所示，该流程包括如下步骤：
步骤S1202，eNodeB向UE发送系统消息，按照设定的规则，消息中包含了紧耦合不优先的指示信息；
步骤S1204，UE获知eNodeB紧耦合不优先，则UE向ANDSF服务器发送信息请求，UE按照ANDSF服务器发送的ANDSF规则进行网络选择。
实施例五
图13是根据本发明实施例五的UE选择网络的方法的流程。如图13所示，该流程包括如下步骤：
步骤S1302，3GPP基站(LTE基站或3G基站)通知UE其支持3GPP与WLAN之间的紧耦合功能；可选的，3GPP基站可以携带紧耦合功能优先指示信息；
步骤S1304，3GPP基站通知终端其支持3GPP R12定义的3GPP接入网(RAN)辅助的WLAN分流功能；
步骤S1306，支持两种功能的终端判断紧耦合功能优先，终端不启动RAN辅助的WLAN分流功能；其中，终端可以根据3GPP基站携带的紧耦合功能优先指示信息判断紧耦合功能优先，或者由缺省配置判断紧耦合功能优先，例如，在紧耦合功能和RAN辅助的WLAN分流共存时，缺省是紧耦合功能优先。
实施例六
图14是根据本发明实施例六的UE选择网络的方法的流程图，如图14所示，该流程包括如下步骤：
步骤S1402，LTE网络通过系统消息通知终端其支持紧耦合和RAN辅助WLAN分流功能；可选的，LTE网络可以携带紧耦合功能优先指示信息，或者缺省配置为紧耦合功能优先，例如，在紧耦合功能和RAN辅助的WLAN分流功能共存时，缺省是紧耦合功能优先；
步骤S1404，支持两种功能的终端不启动RAN辅助的WLAN分流功能；终端由业务需求驱动发起连接建立；
步骤S1406，终端与LTE及WLAN之间建立紧耦合链路并保持链路；
步骤S1408，根据终端上报的测量结果(例如，LTE信号变差，WLAN信号足够好)或者网络对运行状态的监控(例如，LTE网络负载过重，WLAN负载轻)等信息，LTE网络认为LTE网络不能继续为终端服务，LTE网络通知终端进行分流功能切换；
步骤S1410，LTE网络通知终端可使用RAN辅助的WLAN分流功能，包括：LTE网络给终端发送专用的RAN辅助的WLAN分流参数，LTE网络给终端发送专门的信息指示终端可使用RAN辅助的WLAN分流功能；
步骤S1412，终端与LTE及WLAN间的紧耦合链路删除；
步骤S1414，终端根据RAN辅助的WLAN分流参数进行LTE向WLAN的 分流判决，终端与WLAN之间建立普通链路。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以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，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，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，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提供的技术方案，可以应用于网络连接过程中，采用基站接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；所述基站基于所述请求消息向所述UE发送用于所述UE进行网络连接的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息，解决了相关技术中存在的无法避免用户设备中的网络选择冲突的问题，进而达到了避免用户设备中的网络选择冲突的效果。

Claims (22)

  1. 一种网络连接方法，包括：
    基站接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；
    所述基站基于所述请求消息向所述UE发送用于所述UE进行网络连接的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息。
  2. 根据权利要求1所述的方法，其中，所述多系统紧耦合包括：所述基站将从核心网接收到的数据通过至少两个网络系统下发给所述UE，以及所述基站将所述UE通过所述至少两个网络系统发送的数据进行汇聚后发送给所述核心网。
  3. 根据权利要求2所述的方法，其中，所述至少两个网络系统中至少包括一个3GPP网络和一个WLAN网络，其中，所述3GPP网络包括以下至少之一：
    3G网络、4G网络、5G网络。
  4. 根据权利要求1所述的方法，其中，所述第二指示信息中包括接入点AP标识信息和/或多系统紧耦合的启用指示信息。
  5. 根据权利要求1所述的方法，其中，当所述基站接收到所述UE上报的所述请求消息之前，还包括：
    所述基站向所述UE发送系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
  6. 根据权利要求5所述的方法，其中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
  7. 根据权利要求1所述的方法，其中，所述基站接收到所述UE上报的所述请求消息之后，还包括：
    所述基站根据所述请求消息指示所述UE进行多系统紧耦合到多系统非紧耦合的切换。
  8. 一种网络连接方法，包括：
    用户设备UE向基站发送用于请求进行网络连接的请求消息，其中，所 述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；
    所述UE接收所述基站根据所述请求消息返回的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息；
    所述UE根据所述配置消息进行网络连接。
  9. 根据权利要求8所述的方法，其中，所述多系统紧耦合包括：所述基站将从核心网接收到的数据通过至少两个网络系统下发给所述UE，以及所述基站将所述UE通过所述至少两个网络系统发送的数据进行汇聚后发送给所述核心网。
  10. 根据权利要求9所述的方法，其中，所述至少两个网络系统中至少包括一个3GPP网络和一个WLAN网络，其中，所述3GPP网络包括以下至少之一：
    3G网络、4G网络、5G网络。
  11. 根据权利要求8所述的方法，其中，所述第二指示信息中包括接入点AP标识信息和/或多系统紧耦合的启用指示信息。
  12. 根据权利要求8所述的方法，其中，当所述UE向所述基站发送所述请求消息之前，还包括：
    接收所述基站发送的系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
  13. 根据权利要求12所述的方法，其中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
  14. 根据权利要求8所述的方法，其中，所述UE向所述基站发送所述请求消息之后，还包括：
    所述UE接收所述基站根据所述请求消息返回的切换消息；
    所述UE根据所述切换消息进行多系统紧耦合到多系统非紧耦合的切换。
  15. 一种网络连接装置，应用于基站侧，所述装置包括：
    第一接收模块，设置为接收到用户设备UE上报的用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统 紧耦合的能力的第一指示信息；
    第一发送模块，设置为基于所述请求消息向所述UE发送用于所述UE进行网络连接的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息。
  16. 根据权利要求15所述的装置，其中，还包括：
    第二发送模块，设置为向所述UE发送系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
  17. 根据权利要求16所述的装置，其中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根据所述网络选择规则进行网络选择。
  18. 根据权利要求15所述的装置，其中，还包括：
    指示模块，设置为根据所述请求消息指示所述UE进行多系统紧耦合到多系统非紧耦合的切换。
  19. 一种网络连接装置，应用于用户设备UE侧，所述装置包括：
    第三发送模块，设置为向基站发送用于请求进行网络连接的请求消息，其中，所述请求消息中携带有用于指示所述UE支持多系统紧耦合的能力的第一指示信息；
    第二接收模块，设置为接收所述基站根据所述请求消息返回的配置消息，其中，所述配置消息中携带有用于指示所述UE采用多系统紧耦合的方式进行网络连接的第二指示信息；
    连接模块，设置为根据所述配置消息进行网络连接。
  20. 根据权利要求19所述的装置，其中，还包括：
    第三接收模块，设置为接收所述基站发送的系统消息，其中，所述系统消息中包含以下信息至少之一：所述基站的多系统紧耦合支持能力信息、所述基站的多系统紧耦合优先指示信息、所述基站的多系统紧耦合不优先指示信息。
  21. 根据权利要求20所述的装置，其中，当所述系统消息中包括所述基站不支持所述多系统紧耦合或者所述基站支持所述多系统紧耦合不优先指示的信息时，所述系统消息用于指示所述UE向预定服务器获取网络选择规则并根 据所述网络选择规则进行网络选择。
  22. 根据权利要求19所述的装置，其中，还包括：
    第四接收模块，设置为接收所述基站根据所述请求消息返回的切换消息；
    切换模块，设置为根据所述切换消息进行多系统紧耦合到多系统非紧耦合的切换。
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