WO2015113263A1 - 一种业务转移的方法、用户设备和接入网设备 - Google Patents

一种业务转移的方法、用户设备和接入网设备 Download PDF

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Publication number
WO2015113263A1
WO2015113263A1 PCT/CN2014/071782 CN2014071782W WO2015113263A1 WO 2015113263 A1 WO2015113263 A1 WO 2015113263A1 CN 2014071782 W CN2014071782 W CN 2014071782W WO 2015113263 A1 WO2015113263 A1 WO 2015113263A1
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WIPO (PCT)
Prior art keywords
plmn
auxiliary information
user equipment
operator
information corresponding
Prior art date
Application number
PCT/CN2014/071782
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English (en)
French (fr)
Inventor
季莉
张宏卓
张欢
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP14881124.3A priority Critical patent/EP3094136B1/en
Priority to PCT/CN2014/071782 priority patent/WO2015113263A1/zh
Priority to CN201480000144.5A priority patent/CN105432122B/zh
Publication of WO2015113263A1 publication Critical patent/WO2015113263A1/zh
Priority to US15/224,192 priority patent/US10506500B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0284—Traffic management, e.g. flow control or congestion control detecting congestion or overload during communication
    • 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]

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a service transfer method, a user equipment, and an access network device. Background technique
  • non-3rd Generation Partnership Project eg, Wires s Local-Area Network (WLAN)
  • WLAN Wireless Local-Area Network
  • 3GPP networks eg, long-term evolution
  • LTE Long Term Evolution
  • the user equipment User Equipment, UE
  • the LTE network can control the resource scheduling of the WLAN, and implement the partial or full part of the UE's traffic in the 3GPP network to the WLAN.
  • the UE may receive an access network discovery and selection function (ANSDF) or a 3GPP radio access network (RAN) to send auxiliary information, where the auxiliary information is used.
  • ANSDF access network discovery and selection function
  • RAN 3GPP radio access network
  • the user equipment allows the WLAN that the operator to access the user equipment to perform service transfer.
  • the UE can access the corresponding WLAN according to the offloading policy and the auxiliary information, and perform service transfer, thereby achieving the effect of service offloading.
  • Access network sharing means that an operator's 3GPP radio access network (hereinafter referred to as the 3GPP access network) is shared with other operators. These operators will send auxiliary information to the UE through the shared 3GPP access network. However, in the case of such network sharing, each operator may set different auxiliary information for the respective UEs, and the user equipment receives a plurality of different auxiliary information sent by the 3GPP access network, because the user equipment It is impossible to identify which auxiliary information corresponding to the operator that the received auxiliary information belongs to, which may cause the service transfer to fail. Summary of the invention
  • the embodiment of the invention provides a service transfer method and device, which can improve service transfer. Success rate.
  • a first aspect of the embodiments of the present invention provides a method for service transfer, where the method includes: receiving, by a user equipment, a public land mobile network identifier (PLMN ID) sent by a 3GPP access network entity, and The auxiliary information corresponding to the PLMN ID, the auxiliary information corresponding to the PLMN ID is used by the user equipment to perform service transfer to a wireless local area network WLAN that the operator corresponding to the PLMN ID allows the user equipment to access; The user equipment performs service transfer according to the PLMN ID and the auxiliary information corresponding to the PLMN ID.
  • PLMN ID public land mobile network identifier
  • the PLMN ID includes:
  • the user equipment performs service transfer by using the auxiliary information corresponding to the PLMN ID and the PLMN ID. , including:
  • the user equipment determines auxiliary information corresponding to the PLMN ID of the home operator from the auxiliary information corresponding to the PLMN ID;
  • a second aspect of the embodiments of the present invention provides a device for service transfer, where the device includes: a receiver, configured to receive a public land mobile network identifier PLMN ID sent by a 3GPP access network entity, and an auxiliary corresponding to the PLMN ID.
  • the auxiliary information corresponding to the PLMN ID is used by the user equipment to allow the user equipment access to the operator corresponding to the PLMN ID LAN WLAN for service transfer;
  • a processor configured to perform service transfer according to the PLMN ID and auxiliary information corresponding to the PLMN ID.
  • the PLMN ID includes:
  • the processor is configured to correspond to the PLMN ID and the PLMN ID Auxiliary information for business transfer, including:
  • the processor is configured to determine auxiliary information corresponding to the PLMN ID of the home operator from the auxiliary information corresponding to the PLMN ID when the PLMN ID includes the PLMN ID of the home operator of the user equipment, and The service is transferred according to the auxiliary information corresponding to the PLMN ID of the home operator.
  • a third aspect of the embodiments of the present invention provides a service transfer method, where the method includes: receiving, by a 3GPP access network entity, auxiliary information corresponding to a public land mobile network identifier PLMN ID sent by a core network device or a network management system, where the PLMN The auxiliary information corresponding to the ID is used by the user equipment to perform service transfer to the wireless local area network WLAN that the operator allows the user equipment to access;
  • the 3GPP access network entity sends the PLMN ID and the auxiliary information corresponding to the PLMN ID to the user equipment, so that the user equipment performs services according to the PLMN ID and the auxiliary information corresponding to the PLMN ID.
  • a fourth aspect of the embodiments of the present invention provides an access network device, including: a receiver, configured to receive the auxiliary information corresponding to the public land mobile network identifier PLMN ID sent by the core network device or the network management system, where the auxiliary information corresponding to the PLMN ID is used by the user equipment to allow the user equipment to be connected to the operator
  • the incoming WLAN WLAN performs service transfer; the transmitter is configured to send the PLMN ID and the auxiliary information corresponding to the PLMN ID to the user equipment, so that the user equipment is based on the PLMN ID and the The auxiliary information corresponding to the PLMN ID is used for service transfer.
  • the 3GPP access network entity associates the PLMN ID for identifying the operator with the auxiliary information corresponding to the PLMN ID, and sends the information to the user equipment.
  • the user equipment can identify which operator the received auxiliary information corresponds to, so that the service can be transferred for the specific operator, and the success rate of the service transfer is improved.
  • the user equipment may perform the service transfer according to the identified auxiliary information corresponding to the home operator. The user equipment is prevented from using the auxiliary information corresponding to the non-home operator to perform service transfer, thereby causing service transfer failure, thereby further improving the success rate of service transfer.
  • FIG. 1 is a schematic diagram of a network structure of a mobile communication system access network sharing according to the present invention
  • FIG. 2 is a flowchart of a service transfer method according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a service transfer method according to Embodiment 2 of the present invention.
  • FIG. 5 is a flowchart of a service transfer method according to Embodiment 4 of the present invention.
  • FIG. 6 is a flowchart of a service transfer method according to Embodiment 5 of the present invention.
  • FIG. 7 is a schematic diagram of a service transfer apparatus according to Embodiment 6 of the present invention.
  • FIG. 8 is a schematic diagram of a service transfer apparatus according to Embodiment 7 of the present invention.
  • FIG. 1 is a schematic diagram of a network structure of a 3GPP access network shared by a mobile communication system according to an embodiment of the present invention.
  • Operators A, B, and C share the same 3GPP access network, and operators A, B, and C have their own public land mobile network identity (PLMN ID).
  • PLMN ID public land mobile network identity
  • the 3GPP access network entity may send the PLMN ID and the auxiliary information corresponding to the PLMN ID in the system broadcast message, and the user equipment may determine the corresponding corresponding to each operator. Auxiliary information, business transfer for specific operators.
  • scenarios for network sharing include but are not limited to the following two types:
  • Network sharing scenario 1 Only the carrier's 3GPP access network is shared.
  • the operators A, B, and C share the 3GPP access network of the operator A (specifically, the 3GPP access network entity is shared, and the 3GPP access network entity may be a base station or a base station controller), and the operator A may There is a WLAN controlled by Carrier A.
  • Carriers B and C do not have a controlled WLAN.
  • Carrier A does not share the WLAN controlled by Carrier A for Carrier B and Carrier C. It is also possible for Carrier A and Carrier B. Both the carrier and the carrier C have WLANs, but they do not share each other.
  • Network sharing scenario 2 Sharing the 3GPP access network of the operator and sharing the WLAN.
  • operators A, B, and C share the 3GPP access network of operator A, and only one or more WLANs controlled by carrier A are within the network coverage of the 3GPP access network.
  • Carrier A shares the one or more WLANs with Carrier B and Carrier C.
  • the network coverage of the 3GPP access network includes a WLAN controlled by the operator A, a WLAN controlled by the operator B, and a WLAN controlled by the operator C, and the operator A shares the controlled WLAN to Carriers B and C, Carrier B share the controlled WLANs to operators A and C, and carrier C shares the controlled WLANs to operators B and C.
  • the 3GPP network may send various information for the service transfer to the user equipment by using at least the following two methods:
  • the ANDSF sends the network selection, the routing information, and the preset condition to the user equipment, and the 3GPP access network entity of the operator A sends the auxiliary information by using a broadcast mode or a dedicated signaling manner; 2) The ANDSF sends the network selection and the routing information to the user equipment, and the 3GPP access network entity of the operator A sends the auxiliary information and the preset condition by using the broadcast mode or the dedicated signaling mode.
  • the network selection and routing information mentioned above include: an access network type, such as a WLAN; or an identifier of a radio access network, such as an identifier of a WLAN (such as an SSID (service set ident if ier) Identification), BSSID (basic service set ident if ier, or ESSID (extended service set ident if ier)); or, 3GPP connection of different operators Priority information between incoming networks, priority information between different WLAN access points, and so on.
  • the preset condition mentioned above is a condition for the service transfer of the user equipment.
  • the signal quality value of the 3GPP access network satisfies certain conditions (for example, less than the signal quality threshold of the 3GPP access network) or the signal quality value of the WLAN satisfies certain conditions (for example, When the QoS signal quality threshold is less than the WLAN signal quality threshold, the UE may transfer part or all of the service to the WLAN, and may also be a condition that the other network parameters meet.
  • the embodiment of the present invention uses a signal quality value as an example for description.
  • the foregoing auxiliary information is used by the user equipment to perform service transfer to the WLAN that the operator allows the user equipment to access.
  • the auxiliary information may further include: a signal quality threshold of the 3GPP access network and a signal quality threshold of the WLAN.
  • FIG. 2 is a flowchart of a service transfer method according to Embodiment 1 of the present invention. As shown in FIG. 2, the method specifically includes:
  • the user equipment receives a public land mobile network identifier PLMN sent by a 3GPP access network entity.
  • the ID and the auxiliary information corresponding to the PLMN ID, the auxiliary information corresponding to the PLMN ID is used by the user equipment to perform service transfer to the wireless local area network WLAN that the operator corresponding to the PLMN ID allows the user equipment to access.
  • the 3GPP access network entity may send the correspondence between the at least one PLMN ID and the auxiliary information corresponding to the at least one PLMN ID to the user equipment by means of a broadcast.
  • the 3GPP access network entity sends the corresponding relationship to the user equipment in a list.
  • One PLMN ID in the list corresponds to one auxiliary information, and the auxiliary information may be configured by the PLMN ID corresponding to the operator.
  • the PLMN ID sent by the 3GPP access network entity may include the PLMN ID of the operator to which the user equipment belongs.
  • the PLMN ID corresponding auxiliary information sent by the 3GPP access network entity may include auxiliary information configured by the operator to which the user equipment belongs.
  • the PLMN ID sent by the 3GPP access network entity may not include the PLMN ID of the operator to which the user equipment belongs.
  • the PLMN ID corresponding auxiliary information sent by the 3GPP access network entity may not include the auxiliary information configured by the operator to which the user equipment belongs. .
  • the auxiliary information corresponding to the PLMN ID sent by the 3GPP access network entity to the user equipment may be a network management system (eg, Operation Management and Maintenance (Operation Management and Maintenance).
  • the AM) system or the core network device is configured according to the operator's policy.
  • the 3GPP access network entity may receive the PLMN ID sent by the core network device or the 0AM system and the auxiliary information corresponding to the PLMN ID, and then forward the auxiliary information corresponding to the PLMN ID and the PLMN ID to the user equipment.
  • S220 The user equipment performs service transfer according to the PLMN ID and the auxiliary information corresponding to the PLMN ID.
  • the user equipment can determine whether the PLMN ID sent by the 3GPP access network entity includes the PLMN ID of the home operator of the user equipment.
  • the user equipment When the PLMN ID sent by the 3GPP access network entity includes the PLMN ID of the home operator of the user equipment, the user equipment according to the PLMN ID sent by the 3GPP access network entity and the PLMN ID corresponding to the 3GPP access network entity Information for business transfer, including: Determining, by the user equipment, the auxiliary information corresponding to the PLMN ID of the home operator of the user equipment from the auxiliary information corresponding to the PLMN ID sent by the 3GPP access network entity; the user equipment is located in the auxiliary information corresponding to the PLMN ID of the home operator Conduct business transfer.
  • the PLMN ID sent by the 3GPP access network entity does not include the PLMN ID of the home operator of the user equipment
  • the user equipment according to the PLMN ID sent by the 3GPP access network entity and the PLMN ID sent by the 3GPP access network entity Auxiliary information for business transfer, including:
  • the PLMN ID sent by the 3GPP access network entity and the auxiliary information corresponding to the PLMN I D are not considered.
  • the PLMN ID includes: a PLMN ID of the first operator to which the 3GPP access network entity belongs; or a PLMN ID of the first operator to which the 3GPP access network entity belongs, and the The first operator shares the PLMN ID of the second operator of the 3GPP access network entity.
  • the first operator and the second operator herein refer to two different operators.
  • the PLMN ID sent by the 3GPP access network entity may include the PLMN ID of one or more operators to which the 3GPP access network entity belongs, and the multiple operators may share the 3GPP access network entity, or may not shared.
  • the PLMN ID sent by the 3GPP access network entity to the user equipment may also include at least one.
  • the 3GPP access network entity of the operator A may only deliver the PLMN ID of the operator A and the auxiliary information corresponding to the PLMN; and in the case of the network sharing scenario 2, the operation
  • the 3GPP access network entity of the quotient A may send two or more PLMN IDs and corresponding auxiliary information, that is, the PLMN ID of the first carrier to which the 3GPP access network entity belongs is not the operator A).
  • a PLMN ID of the second operator (assumed to be operator B) sharing the 3GPP access network entity with the first operator.
  • the user equipment receives the PLMN ID of the operator A and the PLMN ID of the operator B. Since the operator A and the operator B share the same 3GPP access network entity, the user equipment determines the PLMN of the operator A delivered by the 3GPP access network entity. Which of the PLMN IDs of the ID and the operator B is the PLMN ID of the home operator of the user equipment, ignoring the PLMN ID of the non-home operator, and the supplementary letter corresponding to the PLMN ID of the home operator Information transfer. If neither the operator A nor the operator B is the home operator of the user equipment, the user equipment may ignore the auxiliary information corresponding to the PLMN of the operator A and the auxiliary information corresponding to the PLMN of the operator B.
  • the foregoing auxiliary information may include a 3GPP access network signal quality threshold, and/or one or more WLAN signal quality thresholds that the operator allows the user equipment to access.
  • the user equipment performs the service transfer according to the auxiliary information, and includes at least the following two service transfer modes.
  • the current signal quality value of the 3GPP access network serving the user equipment may be less than the signal quality threshold of the 3GPP access network, and the user equipment may still select that the current signal quality is greater than A WLAN of the WLAN signal quality threshold is used as the target WLAN, and all services or part of services of the user equipment are transferred to the target WLAN.
  • the foregoing auxiliary information also includes a load threshold of the 3GPP access network and one or more WLAN signal quality thresholds that the operator allows the user equipment to access.
  • the user equipment performs service transfer according to the foregoing auxiliary information, including:
  • the user equipment selects a WLAN whose signal quality is greater than the WLAN signal quality threshold as the target wireless local area network, and all services are Or part of the business is transferred to the target wireless local area network.
  • the auxiliary information includes a signal quality threshold of the 3GPP access network, and/or a signal quality threshold of one or more wireless local area networks that the operator allows the user equipment to access.
  • FIG. 3 is a flowchart of a service transfer method according to Embodiment 2 of the present invention. This method is suitable for In the first scenario mentioned above, the 3GPP access network of the operator A sends the auxiliary information by means of a broadcast, where the auxiliary information includes: a 3GPP access network signal quality threshold value and a WLAN signal quality threshold value, The method specifically includes:
  • the user equipment receives the network selection delivered by the ANDSF, and the routing information and preset conditions. Specifically, the operators A, B, and C share the 3GPP access network entity of the operator A, and the user equipments of the operators receive the network selection and routing information and preset conditions delivered by the ANDSFs of the respective operators.
  • the preset condition includes that when the signal quality value of the 3GPP access network of A is less than the signal quality threshold of the 3GPP access network and the signal quality value of the WLAN controlled by A is greater than the WLAN quality threshold, the UE may perform the service. Transfer, that is, the UE transfers all services or part of services to the WLAN.
  • the user equipment receives the PLMN ID, the 3GPP access network signal quality threshold, and the WLAN signal quality threshold sent by the 3GPP access network entity of the operator A.
  • the 3GPP access network can deliver different signal quality for multiple WLANs. Threshold.
  • the PLMN ID sent by the 3GPP access network entity corresponds to the operator A, and the operator A shares the 3GPP access network entity with the operators B and C, but at least one WLAN controlled by the operator A is not shared.
  • the 3GPP access network sends the PLMN ID of the operator A, the 3GPP access network signal quality threshold, and one or more WLAN signal quality thresholds in a broadcast manner.
  • the 3GPP access network entity sends auxiliary information to the UE, where the auxiliary information includes three WLAN signal quality thresholds that the operator A allows the user equipment to access, and the three WL AN signal quality thresholds respectively correspond to 3 WL AN, these 3 WL ANs can be identified by SSID, BSS ID, or ESS ID. For example, when using the SS ID for identification, it can be represented as SS ID1, SS ID2, and SS ID3, respectively.
  • Operator 3's 3GPP access network can broadcast auxiliary information in the following ways:
  • ⁇ PLMN ID A, 3GPP access network signal quality threshold, SS ID1 signal quality threshold,
  • the signal quality thresholds of SSID1, SS ID2, and SSID3 above may be the same or different.
  • the 3GPP access network entity may not deliver the signal quality for each SSID.
  • S320 may be performed first, and then S310 is executed, that is, the sequence of execution of S310 and S320 is not limited.
  • each UE in each of the operators A, B, and C determines whether the auxiliary information is the PLMN ID of the own home carrier. If the PLMN ID of the home operator of the user equipment is the same as the PLMN ID of the received operator A, the auxiliary information corresponding to the PLMN ID of the operator A is determined to perform service transfer; otherwise, the auxiliary information is ignored. For example, if the user equipment of the operator A identifies that the received PLMN ID is the same as the PLMN ID of the own home carrier, the home operator corresponding to the user equipment is obtained from the auxiliary information sent by the 3GPP access network entity.
  • the auxiliary information, and the user equipments of the operators B and C identify that the PLMN ID of the operator to which they belong and the 3GPP access network entity send each PLMN ID differently, and ignore the 3GPP access network entity to send the auxiliary information, without using the Auxiliary information for business transfer.
  • the user equipment selects a target wireless local area network according to the auxiliary information corresponding to the home operator of the user equipment, and transfers all or part of the service to the target wireless local area network.
  • the user equipment may select a wireless local area network with a signal quality value greater than a WLAN signal quality threshold value when the signal quality value of the 3GPP access network serving the user equipment is less than the signal quality threshold of the 3GPP access network.
  • the target wireless LAN As the target wireless LAN.
  • the signal quality value of the 3GPP access network may be specifically referred to as a reference s igna l received power (RSRP) of the serving cell of the 3GPP access network, and the signal quality value of the WLAN may be specifically a wireless local area network.
  • Receive channel power parameter received channe l power indica tor, RCPI).
  • the RSRP value of the current 3GPP access network serving cell of the UE is _100 dBm
  • the RCPI value of SSID1 is _95 dBm
  • the RCPI value of SSID2 is -91 dBm
  • the RCPI value of SSID3 is -89 dBm
  • the signal quality threshold of the 3GPP access network is -102 dBm, that is, the RSRP (-l OOdBm) of the serving cell of the UE is greater than the 3 GPP incoming signal quality threshold (_102 dBm), so the UE does not satisfy the condition of service offload;
  • the access network signal quality threshold is _90 dBm
  • the RSRP (-l OOdBm ) of the serving cell of the UE is smaller than the signal quality threshold (_90 dBm) of the 3GPP access network, and it can be determined whether the RCPI value of each SSID is greater than Corresponding
  • FIG. 4 is a flowchart of a service transfer method according to Embodiment 3 of the present invention.
  • the method is applicable to the first scenario mentioned above, and the 3GPP access network of the operator A sends the preset condition and the auxiliary information in a broadcast manner, and the auxiliary information in FIG. 4 includes the signal quality threshold of the 3GPP access network. And one or more WLAN signal quality thresholds are used as an example.
  • the method specifically includes:
  • the user equipment receives the network selection and routing information delivered by the ANDSF.
  • the user equipment receives a preset condition that is sent by the 3GPP access network entity, a PLMN ID of the operator, a 3GPP access network signal quality threshold, and one or more WLAN signal quality thresholds.
  • the preset condition in S420 is the same as the preset condition in S310, and is not described herein.
  • S420 may be performed first, and then S410 is performed, that is, The order of execution of 4310 and S420 is limited.
  • the S430-S440 is similar to the S330-S340.
  • FIG. 5 is a flowchart of a service transfer method according to Embodiment 4 of the present invention.
  • the method is applicable to the second network sharing scenario mentioned above, and the 3GPP access network of the operator A sends the auxiliary information by using a broadcast mode, where the auxiliary information includes: a 3GPP access network signal quality threshold and an operator.
  • a and other operators allow the WLAN signal quality threshold of one or more WL ANs that the user equipment accesses.
  • the method specifically includes:
  • S510 The user equipment receives the network selection and routing information and preset conditions delivered by the ANDSF server.
  • the user equipment receives the network selection and the routing information and the preset condition sent by the ANDSF server of the operator of the user equipment, where the preset condition includes that the signal quality of the user equipment in the current 3GPP access network is less than the 3GPP access.
  • the network signal quality threshold, and/or, the user equipment performs the service transfer when the signal quality of the current WLAN is less than the WLAN signal quality threshold of one or more WLANs that the operator allows the user equipment to access.
  • the user equipment receives the PLMN ID of each operator delivered by the 3GPP access network entity, and the signal quality threshold of the 3GPP access network corresponding to the PLMN ID, and the WLAN signal quality of the WLAN that each operator allows the user equipment to access. Threshold.
  • the three WLANs that the operator A allows the user equipment to access can be identified by SSID, BSS ID, or ESS ID.
  • SSID1, SSID2, and SSID3 may be identified as SSID1, SSID2, and SSID3 respectively
  • the three WLANs that the operator B allows the user equipment to access are identified as SS ID4, SS ID5, and SSID6, respectively, and operator C.
  • the three WLANs that the user equipment is allowed to access are identified as SSID7, SSID8, and SSID9, respectively.
  • Carrier A's 3GPP access network can broadcast auxiliary information in the following ways:
  • ⁇ PLMN ID A, the 3GPP access network signal quality threshold set by A, the signal quality threshold of SSID1, the signal quality threshold of SSID2, and the signal quality threshold of SSID3;
  • PLMN ID B, B. 3GPP access network signal quality threshold, SSID4 signal quality Threshold value, signal quality threshold of SSID5, signal quality threshold of SSID6;
  • PLMN ID C
  • C 3GPP access network signal quality threshold SSID7 signal quality threshold
  • SSID8 signal quality threshold SSID9 signal quality threshold ⁇ .
  • the signal quality thresholds of the 3GPP access networks set by A, B, and C above may be the same or different.
  • the signal quality thresholds of the WLANs that the operators allow the user equipment to access may be the same or different.
  • the operator The 3GPP access network of A may not deliver the signal quality threshold for each WLAN of the operator B.
  • B is delivered.
  • S520 may be executed first, and then S510 is executed, that is, the sequence of execution of S510 and S520 is not limited.
  • the user equipment acquires auxiliary information corresponding to the home operator of the user equipment according to the PLMN ID of the home operator of the user equipment.
  • S540 The user equipment selects a target wireless local area network according to the auxiliary information corresponding to the home operator of the user equipment, and transfers all or part of the service to the target wireless local area network.
  • FIG. 6 is a flowchart of a service transfer method according to Embodiment 5 of the present invention.
  • the method is applicable to the second scenario mentioned above, and the 3GPP access network of the operator A sends the auxiliary information and the preset condition by using the broadcast mode, and the auxiliary information includes the 3GPP access network configured by different operators in FIG.
  • the signal quality threshold and the WLAN signal quality threshold of the one or more WLANs that the user equipment is allowed to access by the user equipment are used as an example.
  • the method specifically includes:
  • the user equipment receives the network selection and routing information delivered by the ANDSF.
  • the user equipment receives the PLMN ID of different operators delivered by the 3GPP access network entity, the signal quality threshold of the 3GPP access network corresponding to each PLMN ID, and one or more WLANs that the operator allows the user equipment to access. Signal quality threshold.
  • the 3GPP access network entity of operator A can broadcast the auxiliary information in the following manner:
  • ⁇ PLMN ID A, A preset condition of 3GPP access network set by A, 3GPP access network signal quality threshold set by A, signal quality threshold of SS ID1, signal quality threshold of SS ID2, SS Signal quality threshold for ID3;
  • PLMN ID C
  • the preset condition of the 3GPP access network set by C the 3GPP access network signal quality threshold set by C, the signal quality threshold of SS ID7, the signal quality threshold of SS ID8, SS ID9 Signal quality threshold ⁇ .
  • S620 may be executed first, and then S610 is executed, that is, incorrect.
  • the S630-S640 is the same as the S530-S540.
  • the service transfer method provided by the embodiment of the present invention, by using a PLMN ID and the PLMN
  • the auxiliary information corresponding to the ID is associated with the user equipment (or the correspondence between the PLMN ID and the auxiliary information corresponding to the PLMN ID), and the user equipment can identify, by the PLMN ID, which operator the auxiliary information corresponds to. Therefore, the user equipment cannot be aware of the auxiliary information of the operator to which the user equipment belongs, and the service fails when the service is transferred, thereby improving the success of the service transfer. .
  • FIG. 7 is a schematic diagram of a service transfer apparatus according to Embodiment 6 of the present invention.
  • the device is a user equipment, and can be used to perform the actions performed by the user equipment in any of the methods described in FIG. 2 to FIG. 6. For the same or similar concepts and processes, the description is not repeated herein.
  • the receiver 701 is configured to receive a public land mobile network identifier PLMN ID sent by a 3GPP access network entity, and auxiliary information corresponding to the PLMN ID, where the auxiliary information corresponding to the PLMN ID is used by the user equipment.
  • the operator corresponding to the PLMN ID allows the wireless local area network WLAN accessed by the user equipment to perform service transfer.
  • the processor 702 is configured to perform service transfer according to the PLMN ID and the auxiliary information corresponding to the PLMN ID.
  • the processor 702 is specifically configured to: when the identifier of the operator to which the user equipment belongs is matched with the PLMN ID, obtain the auxiliary information.
  • the PLMN ID includes: a PLMN ID of the first operator to which the 3GPP access network entity belongs; or a PLMN ID of the first operator to which the 3GPP access network entity belongs, and the first The operator shares the PLMN ID of the second operator of the 3GPP access network entity.
  • the processor is configured to perform service transfer according to the PLMN ID and the auxiliary information corresponding to the PLMN ID, including:
  • the processor is configured to determine auxiliary information corresponding to the PLMN ID of the home operator from the auxiliary information corresponding to the PLMN ID when the PLMN ID includes the PLMN ID of the home operator of the user equipment, and The service is transferred according to the auxiliary information corresponding to the PLMN ID of the home operator.
  • the actions related to the transmission may be performed by the receiver 701; the actions other than the sending and receiving may be performed by the processor 702. carried out.
  • the service forwarding device may further include an antenna for transmitting and receiving signals, and a transmitter for transmitting signals, for connecting to the processor 702, the receiver 701, and the transmitter (FIG.
  • the system bus is not marked).
  • FIG. 8 is a schematic diagram of a service transfer apparatus according to Embodiment 7 of the present invention.
  • the device is an access network device, which may be a base station or a base station controller, and may be used to perform the actions performed by the 3GPP access network device in any of the methods described in FIG. 2-6, for the same or similar
  • the device includes: a receiver 801 and a transmitter 802.
  • the receiver 801 is configured to receive the auxiliary information corresponding to the public land mobile network identifier PLMN ID sent by the core network device or the network management system, where the auxiliary information corresponding to the PLMN ID is used by the user equipment to allow the user equipment to the operator Access to the wireless LAN WLAN for service transfer;
  • a transmitter 802 configured to send, to the user equipment, the PLMN ID and auxiliary information corresponding to the PLMN ID, so that the user equipment performs the auxiliary information corresponding to the PLMN ID and the PLMN ID.
  • Business transfer configured to send, to the user equipment, the PLMN ID and auxiliary information corresponding to the PLMN ID, so that the user equipment performs the auxiliary information corresponding to the PLMN ID and the PLMN ID.
  • the received actions may be performed by the receiver 801; the sent actions may all be performed by the transmitter 802.
  • the service transfer apparatus may further include an antenna for transmitting and receiving signals, a processor (not shown) for processing the transmitted and received signals, and used for connecting the processor.
  • the 3GPP access network is in the user equipment
  • the auxiliary information of one or more WLANs is delivered
  • the auxiliary information corresponding to the PLMN ID and the PLMN ID is sent to the user equipment, and the user equipment can identify which operator the auxiliary information corresponds to by the PLMN ID, thereby avoiding the user.
  • the device cannot know the auxiliary information of the operator to which the user equipment belongs, which causes the service to fail when the service is transferred, thereby improving the success of the service transfer.
  • RAM random access memory
  • ROM read only memory
  • EEPROM electrically programmable ROM
  • EEPROM electrically erasable programmable ROM
  • registers hard disk, removable disk, CD-ROM, or technology Any other form of storage medium known.

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Abstract

　本发明涉及一种业务转移方法、用户设备以及接入网设备，包括：用户设备接收3GPP接入网实体发送的公用陆地移动网标识PLMN ID以及与所述PLMN ID对应的辅助信息，所述PLMN ID对应的辅助信息用于所述用户设备向所述PLMN ID对应的运营商允许所述用户设备接入的无线局域网WLAN进行业务转移；所述用户设备根据所述PLMN ID和所述PLMN ID对应的辅助信息进行业务转移。本发明实施例提供的技术方案，可以提高业务转移的成功率。

Description

一种业务转移的方法、 用户设备和接入网设备 技术领域
本发明涉及移动通信领域， 尤其涉及一种业务转移方法、 用户设备和 接入网设备。 背景技术
目前, 非第三代协作伙伴计戈' J ( non The 3rd Generation Partnership Project, non- 3GPP )网络（例如无线局域网（ Wireles s Local-Area Network, WLAN))可以用于 3GPP网络（例如， 长期演进（Long Term Evolution, LTE) 网络）的部分或全部业务的分流， 緩解 3GPP网络的业务流量负荷。 用户设 备（User Equipment, UE)可以同时接入到 LTE网络和 WLAN中的， LTE网络 可以控制 WLAN的资源调度， 实现 UE在 3GPP网络中的业务部分或全部分流 到 WLAN中。 当进行业务分流时， 则 UE可以接收接入网络发现和选择功能 ( access network discovery and selection function, ANSDF )或 3GPP 无线接入网 （Radio Access Network, RAN) 下发辅助信息， 该辅助信息用 于用户设备向运营商允许所述用户设备接入的 WLAN进行业务转移。 UE可以 根据该分流策略和该辅助信息接入相应的 WLAN, 进行业务的转移， 从而达 到业务分流的效果。
接入网共享是指一个运营商的 3GPP无线接入网 （下文简称 3GPP接入 网）共享给其他运营商使用。 这些运营商会通过共享的同一个 3GPP接入网 向 UE下发辅助信息。 然而， 在这种网络共享的情况下， 各运营商针对归属 各自的 UE可能设置不同的辅助信息， 导致某个用户设备接收到 3GPP接入 网下发的多个不同辅助信息时， 由于用户设备无法识别接收到的这些辅助 信息分别属于哪个运营商对应的辅助信息， 导致业务转移可能失败。 发明内容
本发明实施例提供了一种业务转移方法及装置， 可以提高业务转移的 成功率。
本发明实施例第一方面提供一种业务转移的方法， 所述方法包括： 用户设备接收 3GPP 接入网实体发送的公用陆地移动网标识 （publ ic land mobi le network ident i ty, PLMN ID ) 以及与所述 PLMN ID对应的辅 助信息， 所述 PLMN ID对应的辅助信息用于所述用户设备向所述 PLMN ID 对应的运营商允许所述用户设备接入的无线局域网 WLAN进行业务转移； 所述用户设备才艮据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行 业务转移。
基于第一方面， 在第一方面的第一种可能实现方式中， 所述 PLMN ID 包括：
所述 3GPP接入网实体所属的第一运营商的 PLMN ID; 或者，
所述 3GPP接入网实体所属的第一运营商的 PLMN ID, 以及与所述第一 运营商共享所述 3GPP接入网实体的第二运营商的 PLMN ID。
基于第一方面或第一方面的第一种可能实现方式， 在第一方面的第二 种可能实现方式中， 所述用户设备 居所述 PLMN ID和所述 PLMN ID对应 的辅助信息进行业务转移， 包括：
在所述 PLMN ID包含所述用户设备的归属运营商的 PLMN ID时， 所述 用户设备从所述 PLMN ID对应的辅助信息中确定所述归属运营商的 PLMN ID 对应的辅助信息；
所述用户设备根据所述归属运营商的 PLMN ID对应的辅助信息进行业 务转移。 本发明实施例的第二方面提供一种业务转移的装置， 所述装置包括： 接收器，用于接收 3GPP接入网实体发送的公用陆地移动网标识 PLMN ID 以及与所述 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅助信息用于 所述用户设备向所述 PLMN ID对应的运营商允许所述用户设备接入的无线 局域网 WLAN进行业务转移；
处理器， 用于根据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行 业务转移。
基于第二方面， 在第二方面的第一种可能实现方式中， 所述 PLMN ID 包括：
所述 3GPP接入网实体所属的第一运营商的 PLMN ID; 或者，
所述 3GPP接入网实体所属的第一运营商的 PLMN ID, 以及与所述第一 运营商共享所述 3GPP接入网实体的第二运营商的 PLMN ID。
基于第二方面或第二方面的第一种可能实现方式中， 在第二方面的第 二种可能实现方式中， 所述处理器， 用于才艮据所述 PLMN ID和所述 PLMN ID 对应的辅助信息进行业务转移， 包括：
所述处理器用于在所述 PLMN ID 包含所述用户设备的归属运营商的 PLMN ID时， 从所述 PLMN ID对应的辅助信息中确定所述归属运营商的 PLMN ID对应的辅助信息， 并才艮据所述归属运营商的 PLMN ID对应的辅助信息进 行业务转移。 本发明实施例的第三方面提供一种业务转移方法， 所述方法包括： 3GPP接入网实体接收核心网设备或网络管理***发送的公用陆地移动 网标识 PLMN ID对应的辅助信息， 所述 PLMN I D对应的辅助信息用于所述 用户设备向所述运营商允许用户设备接入的无线局域网 WLAN 进行业务转 移；
所述 3GPP接入网实体向所述用户设备发送所述 PLMN ID 以及与所述 PLMN ID对应的辅助信息， 以使所述用户设备根据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行业务转移。 本发明实施例的第四方面， 提供一种接入网设备， 包括： 接收器， 用于接收核心网设备或网络管理***发送的公用陆地移动网 标识 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅助信息用于所述用 户设备向所述运营商允许用户设备接入的无线局域网 WLAN进行业务转移； 发射器， 用于向所述用户设备发送所述 PLMN ID 以及与所述 PLMN ID 对应的辅助信息， 以使所述用户设备才艮据所述 PLMN ID和所述 PLMN ID对 应的辅助信息进行业务转移。 应用本发明实施例提供的业务转移方法、用户设备和接入网设备， 3GPP 接入网实体通过将用于标识运营商的 PLMN ID和该 PLMN ID对应辅助信息 关联在一起下发给用户设备， 使得用户设备可以识别出接收到的辅助信息 是哪个运营商所对应的， 从而可以针对具体的运营商进行业务转移， 提高 了业务转移的成功率。 更进一步， 在 3GPP接入网实体下发 PLMN ID中包含 所述用户设备的归属运营商的 PLMN ID 时， 用户设备可以才艮据识别出的、 归属运营商对应的辅助信息进行业务转移， 可以避免用户设备使用非归属 运营商对应的辅助信息进行业务转移而造成业务转移失败的情况， 从而进 一步提高了业务转移的成功率。 附图说明
图 1为本发明提供的一种移动通信***接入网共享的网络结构示意图； 图 2为本发明实施例一提供的业务转移方法流程图；
图 3为本发明实施例二提供的业务转移方法流程图；
图 4为本发明实施例三提供的业务转移方法流程图；
图 5为本发明实施例四提供的业务转移方法流程图；
图 6为本发明实施例五提供的业务转移方法流程图；
图 7为本发明实施例六提供的业务转移装置示意图；
图 8为本发明实施例七提供的业务转移装置示意图。 具体实施方式 下面通过附图和实施例， 对本发明的技术方案做进一步的详细描述。 参见图 1所示的本发明实施例提供的一种移动通信*** 3GPP接入网共 享的网络结构示意图。运营商 A、 B和 C共享同一个 3GPP接入网，运营商 A、 B和 C有各自公用陆地移动网标识（PLMN ID )。 基于该网络结构， 本发明实 施例中， 3GPP接入网实体在***广播消息中可以下发 PLMN ID以及与该 PLMN ID所分别对应的辅助信息， 用户设备可以确定出每个运营商所对应的辅助 信息， 针对具体的运营商进行业务转移。
图 1中， 网络共享的场景包括但不仅限以下两种：
网络共享场景一： 仅运营商的 3GPP接入网共享。 例如， 运营商 A、 B、 C共享运营商 A的 3GPP接入网 （具体共享的是 3GPP接入网实体， 该 3GPP 接入网实体可以是基站或基站控制器）， 并且运营商 A下可能有运营商 A控 制的 WLAN , 运营商 B和 C没有所控制的 WLAN , 运营商 A不共享该运营商 A 控制的 WLAN给运营商 B和运营商 C使用； 也可能运营商 A , 运营商 B和运 营商 C都有 WLAN , 但都不互相共享。
网络共享场景二：共享运营商的 3GPP接入网， 同时也共享 WLAN。例如， 运营商 A、 B和 C共享运营商 A的 3GPP接入网， 在该 3GPP接入网的网络覆 盖范围内仅有运营商 A控制的一个或多个 WLAN。 运营商 A将这一个或多个 WLAN共享给运营商 B和运营商 C使用。 或者， 也可能该 3GPP接入网的网络 覆盖范围内有运营商 A所控制的 WLAN ,运营商 B所控制的 WLAN以及运营商 C所控制的 WLAN , 且运营商 A将所控制的 WLAN共享给运营商 B和 C , 运营 商 B将所控制的 WLAN共享给运营商 A和 C ,运营商 C将所控制的 WLAN共享 给运营商 B和 C。
在本发明实施例中， 在用户设备进行业务转移的过程中， 3GPP 网络可 以有至少包括以下两种方式向该用户设备发送用于业务转移的各种信息：
1 ) ANDSF向用户设备下发网络选择以及路由信息和预设条件， 运营商 A的 3GPP接入网实体通过广播方式或专用信令方式下发辅助信息； 2 ) ANDSF向用户设备下发网络选择以及路由信息， 运营商 A的 3GPP接 入网实体通过广播方式或专用信令方式下发辅助信息以及预设条件。
需要说明的是， 上述提到的网络选择以及路由信息， 包括： 接入网类 型，例如 WLAN;或者，无线接入网的标识，例如 WLAN的标识（如 SSID (service set ident if ier, 服务集标识) , BSSID ( bas ic service set ident if ier, 基本月良务集标 i只）， 或 ESSID ( extended service set ident if ier , 扩展月良 务集标识））； 或， 不同运营商的 3GPP接入网间的优先级信息， 不同 WLAN 接入点间的优先级信息等。 上述提到的预设条件为用户设备的业务转移的 条件， 例如 3GPP接入网的信号质量值满足一定条件（例如小于 3GPP接入 网信号质量门限）或 WLAN的信号质量值满足一定条件 (例如小于 WLAN信 号质量门限）时， UE才将部分或者全部业务转移到该 WLAN, 也可以是其他 网络参数满足的条件， 本发明实施例以信号质量值为例进行说明。 上述辅 助信息用于所述用户设备向运营商允许所述用户设备接入的 WLAN进行业务 转移。 该辅助信息还可以具体包括： 3GPP接入网的信号质量门限值和 WLAN 的信号质量门限值。
本发明在接入网共享场景下， 通过在下发辅助信息时增加 PLMN ID, 该 PLMN ID与接入网实体下发的各运营商配置的辅助信息分别对应， 例如运营 商 A的 PLMN ID和运营商 A配置的辅助信息对应， 运营商 B的 PLMN ID和 运营商 B配置的辅助信息对应， 从而保证图 1 中两种场景下， 用户设备能 够识别出不同运营商配置的不同辅助信息， 从而避免用户设备无法识别多 个运营商共享的同一个 3GPP接入网实体发送的多个运营商配置的辅助信息 而导致业务转移失败的问题。 图 2为本发明实施例一提供的业务转移方法流程图。 如图 2所示， 所 述方法具体包括：
S210, 用户设备接收 3GPP接入网实体发送的公用陆地移动网标识 PLMN ID以及与所述 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅助信息用 于所述用户设备向所述 PLMN ID对应的运营商允许所述用户设备接入的无 线局域网 WLAN进行业务转移。
3GPP接入网实体可以通过广播的方式， 将至少一个 PLMN ID和至少一 个 PLMN ID分别对应的辅助信息的对应关系发送给用户设备。 作为一种可 能实现方式， 3GPP接入网实体将该对应关系以列表的方式发送给用户设备， 该列表中一个 PLMN ID对应一个辅助信息， 该辅助信息可以是该 PLMN ID 对应运营商所配置的辅助信息。 3GPP接入网实体发送的 PLMN ID可以包含 用户设备所归属运营商的 PLMN ID;相应的， 3GPP接入网实体发送的 PLMN ID 对应辅助信息可以包含用户设备所归属运营商配置的辅助信息。 3GPP接入 网实体发送的 PLMN ID可以不包含用户设备所归属运营商的 PLMN ID; 相应 的， 3GPP接入网实体发送的 PLMN ID对应辅助信息可以不包含用户设备所 归属运营商配置的辅助信息。
在 S210以及后续实施例中， 所述 3GPP接入网实体向所述用户设备发 送的 PLMN ID 对应的辅助信息可以是网络管理*** （例如操作管理维护 ( Operat ion Admini s trat ion and Ma intenance, 0 AM ) ***)或者核心网 设备根据运营商的策略所配置的。 3GPP接入网实体可以接收核心网设备或 0AM***发送的 PLMN ID和该 PLMN ID对应的辅助信息， 再将由该 PLMN ID 和该 PLMN ID对应的辅助信息转发给所述用户设备。
S220, 所述用户设备才艮据所述 PLMN ID和所述 PLMN ID对应的辅助信 息进行业务转移。
在上述方法中， 用户设备可以判断 3GPP接入网实体下发的 PLMN ID是 否包含用户设备的归属运营商的 PLMN ID。
在 3GPP接入网实体下发的 PLMN ID包含用户设备的归属运营商的 PLMN ID时， 所述用户设备根据 3GPP接入网实体发送的 PLMN ID和 3GPP接入网 实体发送的 PLMN ID对应的辅助信息进行业务转移， 包括： 用户设备从 3GPP接入网实体发送的 PLMN ID对应的辅助信息中确定用 户设备的归属运营商的 PLMN ID所对应的辅助信息； 所述用户设备 居所 述归属运营商的 PLMN ID对应的辅助信息进行业务转移。
在 3GPP接入网实体下发的 PLMN ID 不包含用户设备的归属运营商的 PLMN ID时， 所述用户设备根据 3GPP接入网实体发送的 PLMN ID和 3GPP接 入网实体发送的 PLMN ID对应的辅助信息进行业务转移， 包括：
用户设备在进行业务转移时，不考虑 3GPP接入网实体发送的 PLMN ID和 该 PLMN I D对应的辅助信息。
可选地， 所述 PLMN ID包括： 所述 3GPP接入网实体所属的第一运营商 的 PLMN ID; 或者， 所述 3GPP接入网实体所属的第一运营商的 PLMN ID, 以及与所述第一运营商共享所述 3GPP接入网实体的第二运营商的 PLMN ID。 需要说明的是， 这里的第一运营商和第二运营商是泛指两个不同的运营商。
所述 3GPP接入网实体发送的 PLMN ID可以包含所述 3GPP接入网实体 所属的一个或多个运营商的 PLMN ID, 这多个运营商可能共享所述 3GPP接 入网实体， 也可能不共享。
所述 3GPP接入网实体向用户设备发送的 PLMN ID也可以包括至少一个。 例如在上述网络共享场景一的情况下， 运营商 A的 3GPP接入网实体可以只 下发运营商 A的 PLMN ID和该 PLMN对应的辅助信息； 而在上述网络共享场 景二的情况下， 运营商 A的 3GPP接入网实体可以发送两个或者两个以上的 PLMN ID以及对应的辅助信息， 也就是所述 3GPP接入网实体所属的第一运 营商 没为运营商 A )的 PLMN ID, 以及与所述第一运营商共享所述 3GPP 接入网实体的第二运营商 （假设为运营商 B ) 的 PLMN ID。 用户设备接收到 运营商 A的 PLMN ID和运营商 B的 PLMN ID, 由于运营商 A和运营商 B共享 同一 3GPP接入网实体， 用户设备判断 3GPP接入网实体下发的运营商 A的 PLMN ID和运营商 B的 PLMN ID中哪个是用户设备的归属运营商的 PLMN ID, 忽略非归属运营商的 PLMN ID, 将根据归属运营商的 PLMN ID对应的辅助信 息进行业务转移。 如果运营商 A和运营商 B都不是用户设备的归属运营商， 则用户设备可以忽略运营商 A的 PLMN对应的辅助信息和运营商 B的 PLMN 对应的辅助信息。
可选地， 上述辅助信息可以包括 3GPP接入网信号质量门限值， 和 /或 运营商允许该用户设备接入的一个或多个 WLAN信号质量门限值。
相应地， 用户设备根据根据上述辅助信息进行业务转移， 至少包括以 下二种业务转移方式。
(一）在为该用户设备服务的 3GPP接入网的当前信号质量值小于 3GPP 接入网信号质量门限值时， 选取信号质量大于 WLAN的信号质量门限值的无 线局域网作为目标无线局域网， 将用户设备的全部业务或者部分业务转移 到所述目标无线局域网。
(二）为了达到业务分流的目的，可以不考虑为该用户设备服务的 3GPP 接入网的当前信号质量值是否小于 3GPP接入网信号质量门限值， 用户设备 仍可以选择到当前信号质量大于 WLAN信号质量门限值的一个 WLAN作为目 标 WLAN , 并将该用户设备的全部业务或者部分业务转移到所述目标无线局 域网中。
可选地， 上述辅助信息也包括所述 3GPP接入网的负载门限值和运营商 允许该用户设备接入的一个或多个 WLAN信号质量门限值。 相应的， 用户设 备根据上述辅助信息进行业务转移包括：
当为用户设备服务的 3GPP接入网的当前负载高于 3GPP接入网的负载 门限值时， 用户设备选取信号质量大于 WLAN信号质量门限值的一个 WLAN 作为目标无线局域网， 并将全部业务或者部分业务转移到所述目标无线局 域网。
以下实施例中以辅助信息包含 3GPP接入网的信号质量门限值， 和 /或 运营商允许该用户设备接入的一个或多个无线局域网的信号质量门限值。
图 3为本发明实施例二提供的业务转移方法流程图。 该方法适用于上 述提到的第一种场景， 且运营商 A的 3GPP接入网通过广播方式下发辅助信 息， 其中， 辅助信息包括： 3GPP接入网信号质量门限值和 WLAN信号质量门 限值， 所述方法具体包括：
S 310 ,用户设备接收 ANDSF下发的网络选择以及路由信息和预设条件。 具体地， 运营商 A、 B和 C共享运营商 A的 3GPP接入网实体， 且各运 营商下的用户设备接收由各自运营商的 ANDSF 下发的网络选择以及路由信 息和预设条件。 其中， 预设条件包括在 A的 3GPP接入网的信号质量值小于 3GPP接入网信号质量门限值并且 A所控制的 WLAN的信号质量值大于 WLAN 质量门限值时， UE就可以进行业务转移， 即 UE将全部业务或者部分业务转 移到该 WLAN。
S 320 , 该用户设备接收运营商 A的 3GPP接入网实体下发的 PLMN ID、 3GPP接入网信号质量门限值和 WLAN信号质量门限值。
需要说明的是， 当 3GPP接入网需要下发多个 WLAN的信号质量门限值， 且各信号质量门限值不相同时， 则 3GPP接入网可以针对多个 WLAN下发不 同的信号质量门限值。在本实施例中，假设 3GPP接入网实体发送的 PLMN ID 对应运营商 A , 运营商 A与运营商 B和 C共享 3GPP接入网实体， 但运营商 A所控制的至少一个 WLAN不共享给运营商 B和 C , 则 3GPP接入网通过广播 的方式下发运营商 A的 PLMN ID、 3GPP接入网信号质量门限值和一个或多 个 WLAN信号质量门限值。举例来说： 3GPP接入网实体向 UE发送辅助信息， 该辅助信息包括运营商 A允许用户设备接入的 3个 WLAN信号质量门限值， 这 3个 WL AN信号质量门限值分别对应 3个 WL AN，这 3个 WL AN可以通过 S S I D , BSS ID, 或 ESS ID进行标识。 例如当使用 SS ID进行标识时， 可以分别表示 为 SS ID1、 SS ID2和 SS ID3。运营商 A的 3GPP接入网可以以下方式广播辅助 信息：
{PLMN ID=A , 3GPP接入网信号质量门限值， SS ID1的信号质量门限值，
SS ID2的信号质量门限值， SS ID3的信号质量门限值 }。 其中， PLMN ID=A为运营商 A的 PLMN ID; SSID1 , SSID2 , SSID3分别 为运营商 A控制的 3个 WLAN的 ID。 以上 SSID1 , SS ID2 , SSID3的信号质量 门限值可以相同也可以不同。
需要说明的是， 当各 WLAN的信号质量门限值相同时， 并且， 运营商 A 只有这 3个 WLAN, 则为了简化下发信息， 3GPP接入网实体可以不针对每个 SSID下发信号质量门限值， 而统一下发辅助信息为{ PLMN ID=A, 3GPP接 入网信号质量门限值， WLAN信号质量门限值 }。
另外， 在本发明的其他实施例中， 也可以先执行 S320, 再执行 S310, 即不对 S310与 S320执行的先后顺序进行限制。
S330, 在用户设备的归属运营商的 PLMN ID与运营商 A的 PLMN ID相 同的情况下， 获取该用户设备的归属运营商的 PLMN ID对应的辅助信息。
具体地， 各运营商 A、 B和 C下的各 UE在接收到 3GPP接入网下发的辅 助信息之后， 判断该辅助信息是否是自己的归属运营商的 PLMN ID。 如果用 户设备的归属运营商的 PLMN ID和接收到的运营商 A的 PLMN ID相同时， 则确定运营商 A的 PLMN ID对应的辅助信息进行业务转移； 否则， 忽略该 辅助信息。 举例来说， 运营商 A的用户设备接识别出接收到的 PLMN ID和 自己的归属运营商的 PLMN ID相同， 则从 3GPP接入网实体发送的辅助信息 中获取该用户设备的归属运营商对应的辅助信息， 而运营商 B和 C的用户 设备识别出自己所属的运营商的 PLMN ID和 3GPP接入网实体发送每一个 PLMN ID不同， 则忽略 3GPP接入网实体发送辅助信息， 不使用该辅助信息 进行业务转移。
S340, 用户设备根据该用户设备的归属运营商对应的辅助信息， 选择目 标无线局域网， 并将全部或部分业务转移到目标无线局域网。
本实施例中， 用户设备可以在为该用户设备服务 3GPP接入网的信号质 量值小于 3GPP接入网信号质量门限值的情况下，选取信号质量值大于 WLAN 信号质量门限值的无线局域网作为目标无线局域网。 需要说明的是， 3GPP接入网的信号质量值可以具体为 3GPP接入网服务 小区的参考信号接收功率 ( reference s igna l rece ived power , RSRP ), 无线局域网的信号质量值可以具体为无线局域网的接收信道功率参数 ( rece ived channe l power indica tor , RCPI )。 具体地 , 假设 UE当前 3GPP 接入网服务小区的 RSRP的值为 _100dBm, SSIDl的 RCPI的值为 _95dBm, SSID2 的 RCPI的值为 -91 dBm, SSID3的 RCPI的值为 -89 dBm, 而 3GPP接入网信 号质量门限值为 -102dBm,即 UE的服务小区的 RSRP ( -l OOdBm )大于 3 GPP 入网信号质量门限值（_102dBm ),所以 UE不满足业务分流的条件；而当 3GPP 接入网信号质量门限值为 _90dBm时， UE的服务小区的 RSRP ( -l OOdBm ) 小 于 3GPP接入网信号质量门限值（_90dBm ), 此时可以判断每个 SSID的 RCPI 值是否大于对应的第二信号质量门限值， 在存在多个满足条件的 RCPI值的 情况下， UE根据网络选择以及路由信息，从多个满足条件的 RCPI值所对应 的 SSID中选取目标无线局域网。
图 4为本发明实施例三提供的业务转移方法流程图。 该方法适用于上 述提到的第一种场景， 且运营商 A的 3GPP接入网通过广播方式下发预设条 件和辅助信息， 图 4中以辅助信息包括 3GPP接入网信号质量门限值和一个 或多个 WLAN信号质量门限值为例进行说明， 所述方法具体包括：
S410, 用户设备接收 ANDSF下发的网络选择以及路由信息。
S420,用户设备接收 3GPP接入网实体下发的预设条件、运营商的 PLMN ID、 3GPP接入网信号质量门限值和一个或多个 WLAN信号质量门限值。
需要说明的是， S420中的预设条件和 S310中的预设条件相同，在此不 作赘述。 不同的是， 运营商 A的 3GPP接入网可以以下方式广播辅助信息： {PLMN ID=A, 3GPP接入网的预设条件， 3GPP接入网信号质量门限值， SSID1的信号质量门限值， SS ID2的信号质量门限值， SSID3的信号质量门 限值 } , 以上 SSID1 , SS ID2 , SSID3的信号质量门限值可以相同也可以不同。
在本发明的其他实施例中， 也可以先执行 S420, 再执行 S410 , 即不对 4310与 S420执行的先后顺序进行限制。
S430-S440与 S330-S340类似。
图 5为本发明实施例四提供的业务转移方法流程图。 该方法适用于上 述提到的第二种网络共享场景， 且运营商 A的 3GPP接入网通过广播方式下 发辅助信息， 其中， 辅助信息包括： 3GPP接入网信号质量门限值和运营商 A以及其他运营商（运营商 B和 C )允许该用户设备接入的的一个或多个 WL AN 的 WLAN信号质量门限值， 如图 5所示， 所述方法具体包括：
S510, 用户设备接收 ANDSF服务器下发的网络选择以及路由信息和预 设条件。
需要说明的是， 这里用户设备接收用户设备所述运营商的 ANDSF服务 器发送的网络选择以及路由信息和预设条件， 其中预设条件包括用户设备 在当前 3GPP接入网的信号质量小于 3GPP接入网信号质量门限值， 和 /或， 用户设备在当前 WLAN的信号质量小于运营商允许用户设备接入的一个或多 个 WLAN的 WLAN信号质量门限时， 进行业务转移。
S520, 用户设备接收 3GPP接入网实体下发的各运营商的 PLMN ID, 以 及 PLMN ID对应的 3GPP接入网信号质量门限值以及各运营商允许该用户设 备接入的 WLAN的 WLAN信号质量门限值。
举例来说： 艮设运营商 A允许该用户设备接入的 3个 WLAN, 可以通过 SSID, BSS ID, 或 ESS ID进行标识。 当使用 SSID对上述 3个 WLAN进行标识 时， 可以分别标识为 SSID1、 SSID2和 SSID3 , 运营商 B允许该用户设备接 入的 3个 WLAN, 分别标识为 SS ID4、 SS ID5和 SSID6 , 运营商 C允许该用户 设备接入的 3个 WLAN,分别标识为 SSID7、 SSID8和 SSID9。运营商 A的 3GPP 接入网可以以下方式广播辅助信息：
{PLMN ID=A, A设置的 3GPP接入网信号质量门限， SSID1的信号质量 门限值， SSID2的信号质量门限值， SSID3的信号质量门限值；
PLMN ID=B, B设置的 3GPP接入网信号质量门限， SSID4的信号质量 门限值， SSID5的信号质量门限值， SSID6的信号质量门限值；
PLMN ID=C, C设置的 3GPP接入网信号质量门限， SSID7的信号质量 门限值， SSID8的信号质量门限值， SSID9的信号质量门限值 }。
其中， 以上 A、 B、 C设置的 3GPP接入网信号质量门限， 可以相同， 也 可以不同。 各运营商允许用户设备接入的 WLAN的信号质量门限值可以相同 也可以不同。
需要说明的是， 当某一运营商的各 WLAN的信号质量门限值相同时， 举 例为，运营商 B有且只有 3个 WLAN,并且各 WLAN的信号质量门限值相同时， 则运营商 A的 3GPP接入网可以不针对运营商 B的每个 WLAN下发信号质量 门限值， 为了简化下发的辅助信息的信息格式而只下发 {PLMN ID=B, B设 置的 3GPP接入网信号质量门限， WLAN的信号质量门限值 }。
在本发明的其他实施例中， 也可以先执行 S520, 再执行 S510 , 即不对 S510与 S520执行的先后顺序进行限制。
S530, 用户设备根据该用户设备的归属运营商的 PLMN ID获取该用户 设备的归属运营商对应的辅助信息。
各运营商 A、 B和 C下的各 UE在接收到 3GPP接入网下发的辅助信息之 后， 如果用户设备判断自己所属的运营商的 PLMN ID和接收到的运营商的 PLMN ID相同时， 则应用该 PLMN ID对应的辅助信息进行业务转移。 举例来 说， 当运营商 B下的 UE在接收到上述辅助信息之后， 由于运营商 A和 C的 PLMN I D与用户设备的归属运营商 B的标识不相同， 所以忽略 PLMN I D=A或 C对应的辅助信息， 但用户设备可以根据 PLMN ID=B的辅助信息选择目标无 线局域网的方法， 同 S330中选择目标无线局域网的方法类似， 在此不作赘 述。
S540 , 用户设备根据该用户设备的归属运营商对应的辅助信息， 选择 目标无线局域网， 并将全部或部分业务转移到目标无线局域网。
具体的， 本步骤的实施方法同步骤 S340。 图 6为本发明实施例五提供的业务转移方法流程图。 该方法适用于上 述提到的第二种场景， 且运营商 A的 3GPP接入网通过广播方式下发辅助信 息和预设条件， 图 6中以辅助信息包括不同运营商配置的 3GPP接入网信号 质量门限值和运营商网允许该用户设备接入的的一个或多个 WLAN 的 WLAN 信号质量门限值为例进行说明， 所述方法具体包括：
S610 , 用户设备接收 ANDSF下发的网络选择以及路由信息。
S620 , 用户设备接收 3GPP接入网实体下发的不同运营商的 PLMN ID, 各 PLMN ID对应的 3GPP接入网信号质量门限值以及运营商允许用户设备接 入的一个或多个无线局域网的信号质量门限值。
运营商 A的 3GPP接入网实体可以以下方式广播辅助信息：
{PLMN ID=A, A设置的 3GPP接入网的预设条件， A设置的 3GPP接入网 信号质量门限值， SS ID1的信号质量门限值， SS ID2的信号质量门限值， SS ID3 的信号质量门限值；
PLMN ID=B , B设置的 3GPP接入网的预设条件， B设置的 3GPP接入网 信号质量门限值， SS ID4的信号质量门限值， SS ID5的信号质量门限值， SS ID6 的信号质量门限值；
PLMN ID=C , C设置的 3GPP接入网的预设条件， C设置的 3GPP接入网 信号质量门限值， SS ID7的信号质量门限值， SS ID8的信号质量门限值， SS ID9 的信号质量门限值 }。
在本发明的其他实施例中， 也可以先执行 S620 , 再执行 S610 , 即不对
S610与 S620执行的先后顺序进行限制。
S630-S640与 S530-S540相同。
需要说明的是， 虽然上述各实施例均以辅助信息中的信号质量门限值 为例进行了阐述， 但本发明对此并不做限制， 上述实施例中的信号质量门 限值可以替换为其他信息值。
综上， 本发明实施例提供的业务转移方法，通过将 PLMN ID和所述 PLMN ID对应的辅助信息关联在一起（或者说将 PLMN ID和所述 PLMN ID对应的 辅助信息的对应关系）发送给用户设备， 用户设备可以通过 PLMN ID识别 出辅助信息是哪个运营商所对应的， 从而避免了用户设备无法得知用户设 备所归属运营商的辅助信息而造成在进行业务转移时失败， 从而提高了业 务转移的成功。。
图 7 为本发明实施例六提供的业务转移装置示意图。 所述装置为用户 设备， 可以用于执行图 2-图 6所述的任一方法中用户设备所执行的动作， 对于相同或相似的概念和过程， 本实施例不再赘述， 可参考上述方法实施 例。 如图 7中， 该装置包括： 接收器 701和处理器 702。
所述接收器 701 , 用于接收 3GPP接入网实体发送的公用陆地移动网标 识 PLMN ID以及与所述 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅 助信息用于所述用户设备向所述 PLMN ID对应的运营商允许所述用户设备 接入的无线局域网 WLAN进行业务转移。
所述处理器 702 , 用于才艮据所述 PLMN ID和所述 PLMN ID对应的辅助信 息进行业务转移。
所述处理器 702具体用于：在用户设备所属的运营商的标识与所述 PLMN ID相匹配的情况下， 获取所述辅助信息。
其中， 所述 PLMN ID包括： 所述 3GPP接入网实体所属的第一运营商的 PLMN ID; 或者， 所述 3GPP接入网实体所属的第一运营商的 PLMN ID, 以及 与所述第一运营商共享所述 3GPP接入网实体的第二运营商的 PLMN ID。
可选地， 所述处理器用于才艮据所述 PLMN ID和所述 PLMN ID对应的辅 助信息进行业务转移， 包括：
所述处理器用于在所述 PLMN ID 包含所述用户设备的归属运营商的 PLMN ID时， 从所述 PLMN ID对应的辅助信息中确定所述归属运营商的 PLMN ID对应的辅助信息， 并才艮据所述归属运营商的 PLMN ID对应的辅助信息进 行业务转移。 图 2-图 6所述的任一方法中用户设备所执行的动作中， 有关发送的动 作， 都可以由接收器 701 来执行； 除了发送和接收之外的动作， 都可以由 处理器 702来执行。
为了执行图 2-图 6所示的方法实施例， 上述业务转移装置还可以包含 用于收发信号的天线， 以及发送信号的发送器， 用于连接处理器 702 , 接收 器 701、 发送器（图中未标出） 的***总线等。 图 8 为本发明实施例七提供的业务转移装置示意图。 所述装置为一种 接入网设备， 可以为基站或基站控制器， 可以用于执行图 2-图 6所述的任 一方法中 3GPP接入网设备所执行的动作， 对于相同或相似的概念和过程， 本实施例不再赘述， 可参考上述方法实施例。 如图 8 中， 该装置包括： 接 收器 801和发射器 802。
接收器 801 ,用于接收核心网设备或网络管理***发送的公用陆地移动 网标识 PLMN ID对应的辅助信息， 所述 PLMN I D对应的辅助信息用于所述 用户设备向所述运营商允许用户设备接入的无线局域网 WLAN 进行业务转 移；
发射器 802 ,用于向所述用户设备发送所述 PLMN ID以及与所述 PLMN ID 对应的辅助信息， 以使所述用户设备才艮据所述 PLMN ID和所述 PLMN ID对 应的辅助信息进行业务转移.
图 2-图 6所述的任一方法中 3GPP接入网实体所执行的动作中，接收的 动作， 都可以由接收器 801来执行； 发送的动作， 都可以由发射器 802来 执行。 为了执行图 2-图 6所示的方法实施例， 该业务转移装置还可以包含 用于收发信号的天线， 用于处理收发信号的处理器（图中未标出）， 用于连 接处理器， 接收器 801、 发射器 802的***总线等。 本发明实施例提供的业务转移方法及装置， 3GPP接入网在向用户设备 下发一个或多个 WLAN的辅助信息时， 将 PLMN ID和该 PLMN ID对应的辅助 信息发送给用户设备， 用户设备可以通过 PLMN ID识别出辅助信息是哪个 运营商所对应的， 从而避免了用户设备无法得知用户设备所归属运营商的 辅助信息而造成在进行业务转移时失败， 从而提高了业务转移的成功。
专业人员应该还可以进一步意识到， 结合本文中所公开的实施例描述 的各示例的单元及算法步骤， 能够以电子硬件、 计算机软件或者二者的结 合来实现， 为了清楚地说明硬件和软件的可互换性， 在上述说明中已经按 照功能一般性地描述了各示例的组成及步骤。 这些功能究竟以硬件还是软 件方式来执行， 取决于技术方案的特定应用和设计约束条件。 专业技术人 员可以对每个特定的应用来使用不同方法来实现所描述的功能， 但是这种 实现不应认为超出本发明的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以用硬件、 处 理器执行的软件模块， 或者二者的结合来实施。 软件模块可以置于随机存 储器 （RAM )、 内存、 只读存储器 （R0M )、 电可编程 R0M、 电可擦除可编程 ROM, 寄存器、 硬盘、 可移动磁盘、 CD-R0M、 或技术领域内所公知的任意其 它形式的存储介质中。
以上所述的具体实施方式， 对本发明的目的、 技术方案和有益效果进 行了进一步详细说明， 所应理解的是， 以上所述仅为本发明的具体实施方 式而已， 并不用于限定本发明的保护范围， 凡在本发明的精神和原则之内， 所做的任何修改、 等同替换、 改进等， 均应包含在本发明的保护范围之内。

Claims

权利要求
1、 一种业务转移的方法， 其特征在于， 所述方法包括：
用户设备接收 3GPP接入网实体发送的公用陆地移动网标识 PLMN ID以 及与所述 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅助信息用于所 述用户设备向所述 PLMN ID对应的运营商允许所述用户设备接入的无线局 域网 WLAN进行业务转移；
所述用户设备才艮据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行 业务转移。
2、 根据权利要求 1所述的方法， 其特征在于， 所述 PLMN ID包括： 所述 3GPP接入网实体所属的第一运营商的 PLMN ID; 或者，
所述 3GPP接入网实体所属的第一运营商的 PLMN ID, 以及与所述第一 运营商共享所述 3GPP接入网实体的第二运营商的 PLMN ID。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 所述用户设备根据 所述 PLMN ID和所述 PLMN ID对应的辅助信息进行业务转移， 包括：
在所述 PLMN ID包含所述用户设备的归属运营商的 PLMN ID时， 所述 用户设备从所述 PLMN ID对应的辅助信息中确定所述归属运营商的 PLMN ID 对应的辅助信息；
所述用户设备根据所述归属运营商的 PLMN ID对应的辅助信息进行业 务转移。
4、 一种用户设备， 其特征在于， 所述装置包括：
接收器，用于接收 3GPP接入网实体发送的公用陆地移动网标识 PLMN ID 以及与所述 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅助信息用于 所述用户设备向所述 PLMN ID对应的运营商允许所述用户设备接入的无线 局域网 WLAN进行业务转移；
处理器， 用于根据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行 业务转移。
5、 根据权利要求 6所述的装置， 其特征在于， 所述 PLMN ID包括： 所述 3GPP接入网实体所属的第一运营商的 PLMN ID; 或者，
所述 3GPP接入网实体所属的第一运营商的 PLMN ID, 以及与所述第一 运营商共享所述 3GPP接入网实体的第二运营商的 PLMN ID。
6、 根据权利要求 4或 5所述的装置， 其特征在于， 所述处理器， 用于 根据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行业务转移， 包括： 所述处理器用于在所述 PLMN ID 包含所述用户设备的归属运营商的 PLMN ID时， 从所述 PLMN ID对应的辅助信息中确定所述归属运营商的 PLMN ID对应的辅助信息， 并才艮据所述归属运营商的 PLMN ID对应的辅助信息进 行业务转移。
7、 一种业务转移方法， 其特征在于， 所述方法包括：
3GPP接入网实体接收核心网设备或网络管理***发送的公用陆地移动 网标识 PLMN ID对应的辅助信息， 所述 PLMN I D对应的辅助信息用于所述 用户设备向所述运营商允许用户设备接入的无线局域网 WLAN 进行业务转 移；
所述 3GPP接入网实体向所述用户设备发送所述 PLMN ID 以及与所述 PLMN ID对应的辅助信息， 以使所述用户设备根据所述 PLMN ID和所述 PLMN ID对应的辅助信息进行业务转移。
8、 一种接入网设备， 其特征在于， 包括：
接收器， 用于接收核心网设备或网络管理***发送的公用陆地移动网 标识 PLMN ID对应的辅助信息， 所述 PLMN ID对应的辅助信息用于所述用 户设备向所述运营商允许用户设备接入的无线局域网 WLAN进行业务转移； 发射器， 用于向所述用户设备发送所述 PLMN ID 以及与所述 PLMN ID 对应的辅助信息， 以使所述用户设备根据所述 PLMN ID和所述 PLMN ID对 应的辅助信息进行业务转移。
PCT/CN2014/071782 2014-01-29 2014-01-29 一种业务转移的方法、用户设备和接入网设备 WO2015113263A1 (zh)

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